fix typo

.github/workflows/test.yml

@@ -23,7 +23,10 @@ jobs:
           export DEBIAN_FRONTEND=noninteractive
           sudo add-apt-repository -y ppa:mozillateam/ppa
           sudo apt-get update
-          sudo apt-get install -y chromium-browser firefox-esr
+          sudo apt-get install -y \
+            chromium-browser \
+            firefox-esr \
+            xvfb
 
       - name: Update npm
         run: npm install -g npm@10
@@ -35,4 +38,4 @@ jobs:
         run: npm run lint -- --no-fix
 
       - name: Run karma tests
-        run: npm run test
+        run: xvfb-run -a npm test

Dockerfile.test

@@ -3,12 +3,12 @@
 #     docker build -t sqliteviz/test -f Dockerfile.test .
 #
 
-FROM node:12.22-bullseye
+FROM node:18.20.8-bookworm
 
 RUN set -ex; \
     apt update; \
     apt install -y chromium firefox-esr; \
-    npm install -g npm@7
+    npm install -g npm@10
 
 WORKDIR /tmp/build
 
@@ -19,6 +19,6 @@ RUN npm install
 COPY . .
 
 RUN set -ex; \
-    sed -i 's/browsers: \[.*\],/browsers: ['"'FirefoxHeadlessTouch'"'],/' karma.conf.js
+    sed -i 's/browsers: \[.*\],/browsers: ['"'FirefoxHeadlessTouch'"'],/' karma.conf.cjs
 
 RUN npm run lint -- --no-fix && npm run test

karma.conf.cjs

@@ -92,11 +92,23 @@ module.exports = function (config) {
           'dom.w3c_touch_events.enabled': 1,
           'dom.events.asyncClipboard.clipboardItem': true
         }
+      },
+      ChromiumHeadlessWebGL: {
+        base: 'ChromiumHeadless',
+        flags: [
+          '--headless=new',
+          '--use-angle=swiftshader',
+          '--use-gl=angle',
+          '--enable-webgl',
+          '--ignore-gpu-blocklist',
+          '--disable-gpu-sandbox',
+          '--no-sandbox'
+        ]
       }
     },
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-    browsers: ['ChromiumHeadless', 'FirefoxHeadlessTouch'],
+    browsers: ['ChromiumHeadlessWebGL', 'FirefoxHeadlessTouch'],
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits

package-lock.json

@@ -1,12 +1,13 @@
 {
   "name": "sqliteviz",
-  "version": "0.27.1",
+  "version": "0.29.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "sqliteviz",
-      "version": "0.27.1",
+      "version": "0.29.0",
+      "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
         "@sigma/export-image": "^3.0.0",
@@ -29,9 +30,10 @@
         "react-chart-editor": "^0.46.1",
         "react-dom": "^16.14.0",
         "seedrandom": "^3.0.5",
-        "sigma": "^3.0.1",
+        "sigma": "3.0.2",
         "sql.js": "file:./lib/sql-js",
         "tiny-emitter": "^2.1.0",
+        "tinycolor2": "^1.4.2",
         "veaury": "^2.5.1",
         "vue": "^3.5.11",
         "vue-final-modal": "^4.5.5",
@@ -63,6 +65,8 @@
         "karma-spec-reporter": "^0.0.36",
         "karma-vite": "^1.0.5",
         "mocha": "^5.2.0",
+        "patch-package": "^8.0.1",
+        "postinstall-postinstall": "^2.1.0",
         "prettier": "3.5.3",
         "process": "^0.11.10",
         "url-loader": "^4.1.1",
@@ -3092,6 +3096,12 @@
       "license": "Apache-2.0",
       "peer": true
     },
+    "node_modules/@yarnpkg/lockfile": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@yarnpkg/lockfile/-/lockfile-1.1.0.tgz",
+      "integrity": "sha512-GpSwvyXOcOOlV70vbnzjj4fW5xW/FdUF6nQEt1ENy7m4ZCczi1+/buVUPAqmGfqznsORNFzUMjctTIp8a9tuCQ==",
+      "dev": true
+    },
     "node_modules/abbrev": {
       "version": "2.0.0",
       "license": "ISC",
@@ -4775,6 +4785,21 @@
         "node": ">=6.0"
       }
     },
+    "node_modules/ci-info": {
+      "version": "3.9.0",
+      "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-3.9.0.tgz",
+      "integrity": "sha512-NIxF55hv4nSqQswkAeiOi1r83xy8JldOFDTWiug55KBu9Jnblncd2U6ViHmYgHf01TPZS77NJBhBMKdWj9HQMQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/sibiraj-s"
+        }
+      ],
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/cipher-base": {
       "version": "1.0.6",
       "dev": true,
@@ -7808,6 +7833,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/find-yarn-workspace-root": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/find-yarn-workspace-root/-/find-yarn-workspace-root-2.0.0.tgz",
+      "integrity": "sha512-1IMnbjt4KzsQfnhnzNd8wUEgXZ44IzZaZmnLYx7D5FZlaHt2gW20Cri8Q+E/t5tIj4+epTBub+2Zxu/vNILzqQ==",
+      "dev": true,
+      "dependencies": {
+        "micromatch": "^4.0.2"
+      }
+    },
     "node_modules/flat-cache": {
       "version": "3.2.0",
       "dev": true,
@@ -10357,11 +10391,36 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/json-stable-stringify": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/json-stable-stringify/-/json-stable-stringify-1.3.0.tgz",
+      "integrity": "sha512-qtYiSSFlwot9XHtF9bD9c7rwKjr+RecWT//ZnPvSmEjpV5mmPOCN4j8UjY5hbjNkOwZ/jQv3J6R1/pL7RwgMsg==",
+      "dev": true,
+      "dependencies": {
+        "call-bind": "^1.0.8",
+        "call-bound": "^1.0.4",
+        "isarray": "^2.0.5",
+        "jsonify": "^0.0.1",
+        "object-keys": "^1.1.1"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/json-stable-stringify-without-jsonify": {
       "version": "1.0.1",
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/json-stable-stringify/node_modules/isarray": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.5.tgz",
+      "integrity": "sha512-xHjhDr3cNBK0BzdUJSPXZntQUx/mwMS5Rw4A7lPJ90XGAO6ISP/ePDNuo0vhqOZU+UD5JoodwCAAoZQd3FeAKw==",
+      "dev": true
+    },
     "node_modules/json-stringify-pretty-compact": {
       "version": "4.0.0",
       "license": "MIT"
@@ -10384,6 +10443,15 @@
         "graceful-fs": "^4.1.6"
       }
     },
+    "node_modules/jsonify": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/jsonify/-/jsonify-0.0.1.tgz",
+      "integrity": "sha512-2/Ki0GcmuqSrgFyelQq9M05y7PS0mEwuIzrf3f1fPqkVDVRvZrPZtVSMHxdgo8Aq0sxAOb/cr2aqqA3LeWHVPg==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/jsonpointer": {
       "version": "5.0.1",
       "dev": true,
@@ -10682,6 +10750,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/klaw-sync": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/klaw-sync/-/klaw-sync-6.0.0.tgz",
+      "integrity": "sha512-nIeuVSzdCCs6TDPTqI8w1Yre34sSq7AkZ4B3sfOBbI2CgVSB4Du4aLQijFU2+lhAFCwt9+42Hel6lQNIv6AntQ==",
+      "dev": true,
+      "dependencies": {
+        "graceful-fs": "^4.1.11"
+      }
+    },
     "node_modules/lazy-cache": {
       "version": "1.0.4",
       "dev": true,
@@ -12317,6 +12394,22 @@
         "wrappy": "1"
       }
     },
+    "node_modules/open": {
+      "version": "7.4.2",
+      "resolved": "https://registry.npmjs.org/open/-/open-7.4.2.tgz",
+      "integrity": "sha512-MVHddDVweXZF3awtlAS+6pgKLlm/JgxZ90+/NBurBoQctVOOB/zDdVjcyPzQ+0laDGbsWgrRkflI65sQeOgT9Q==",
+      "dev": true,
+      "dependencies": {
+        "is-docker": "^2.0.0",
+        "is-wsl": "^2.1.1"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/optimist": {
       "version": "0.6.1",
       "dev": true,
@@ -12549,6 +12642,106 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/patch-package": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/patch-package/-/patch-package-8.0.1.tgz",
+      "integrity": "sha512-VsKRIA8f5uqHQ7NGhwIna6Bx6D9s/1iXlA1hthBVBEbkq+t4kXD0HHt+rJhf/Z+Ci0F/HCB2hvn0qLdLG+Qxlw==",
+      "dev": true,
+      "dependencies": {
+        "@yarnpkg/lockfile": "^1.1.0",
+        "chalk": "^4.1.2",
+        "ci-info": "^3.7.0",
+        "cross-spawn": "^7.0.3",
+        "find-yarn-workspace-root": "^2.0.0",
+        "fs-extra": "^10.0.0",
+        "json-stable-stringify": "^1.0.2",
+        "klaw-sync": "^6.0.0",
+        "minimist": "^1.2.6",
+        "open": "^7.4.2",
+        "semver": "^7.5.3",
+        "slash": "^2.0.0",
+        "tmp": "^0.2.4",
+        "yaml": "^2.2.2"
+      },
+      "bin": {
+        "patch-package": "index.js"
+      },
+      "engines": {
+        "node": ">=14",
+        "npm": ">5"
+      }
+    },
+    "node_modules/patch-package/node_modules/fs-extra": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.1.0.tgz",
+      "integrity": "sha512-oRXApq54ETRj4eMiFzGnHWGy+zo5raudjuxN0b8H7s/RU2oW0Wvsx9O0ACRN/kRq9E8Vu/ReskGB5o3ji+FzHQ==",
+      "dev": true,
+      "dependencies": {
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^6.0.1",
+        "universalify": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/patch-package/node_modules/jsonfile": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.2.0.tgz",
+      "integrity": "sha512-FGuPw30AdOIUTRMC2OMRtQV+jkVj2cfPqSeWXv1NEAJ1qZ5zb1X6z1mFhbfOB/iy3ssJCD+3KuZ8r8C3uVFlAg==",
+      "dev": true,
+      "dependencies": {
+        "universalify": "^2.0.0"
+      },
+      "optionalDependencies": {
+        "graceful-fs": "^4.1.6"
+      }
+    },
+    "node_modules/patch-package/node_modules/minimist": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/patch-package/node_modules/semver": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.4.tgz",
+      "integrity": "sha512-vFKC2IEtQnVhpT78h1Yp8wzwrf8CM+MzKMHGJZfBtzhZNycRFnXsHk6E5TxIkkMsgNS7mdX3AGB7x2QM2di4lA==",
+      "dev": true,
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/patch-package/node_modules/universalify": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
+      "integrity": "sha512-gptHNQghINnc/vTGIk0SOFGFNXw7JVrlRUtConJRlvaw6DuX0wO5Jeko9sWrMBhh+PsYAZ7oXAiOnf/UKogyiw==",
+      "dev": true,
+      "engines": {
+        "node": ">= 10.0.0"
+      }
+    },
+    "node_modules/patch-package/node_modules/yaml": {
+      "version": "2.8.3",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.3.tgz",
+      "integrity": "sha512-AvbaCLOO2Otw/lW5bmh9d/WEdcDFdQp2Z2ZUH3pX9U2ihyUY0nvLv7J6TrWowklRGPYbB/IuIMfYgxaCPg5Bpg==",
+      "dev": true,
+      "bin": {
+        "yaml": "bin.mjs"
+      },
+      "engines": {
+        "node": ">= 14.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/eemeli"
+      }
+    },
     "node_modules/path-browserify": {
       "version": "1.0.1",
       "dev": true,
@@ -12993,6 +13186,13 @@
       "version": "4.2.0",
       "license": "MIT"
     },
+    "node_modules/postinstall-postinstall": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/postinstall-postinstall/-/postinstall-postinstall-2.1.0.tgz",
+      "integrity": "sha512-7hQX6ZlZXIoRiWNrbMQaLzUUfH+sSx39u8EJ9HYuDc1kLo9IXKWjM5RSquZN1ad5GnH8CGFM78fsAAQi3OKEEQ==",
+      "dev": true,
+      "hasInstallScript": true
+    },
     "node_modules/potpack": {
       "version": "1.0.2",
       "license": "ISC"
@@ -13341,6 +13541,11 @@
         "react": "^0.14.0 || ^15.0.0"
       }
     },
+    "node_modules/react-chart-editor/node_modules/tinycolor2": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/tinycolor2/-/tinycolor2-1.6.0.tgz",
+      "integrity": "sha512-XPaBkWQJdsf3pLKJV9p4qN/S+fm2Oj8AIPo1BTUhg5oxkvm9+SVEGFdhyOz7tTdUTfvxMiAs4sp6/eZO2Ew+pw=="
+    },
     "node_modules/react-color": {
       "version": "2.19.3",
       "license": "MIT",
@@ -14448,6 +14653,15 @@
         "node": ">=4"
       }
     },
+    "node_modules/slash": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/slash/-/slash-2.0.0.tgz",
+      "integrity": "sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/smob": {
       "version": "1.5.0",
       "dev": true,
@@ -15514,8 +15728,12 @@
       "license": "MIT"
     },
     "node_modules/tinycolor2": {
-      "version": "1.6.0",
-      "license": "MIT"
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/tinycolor2/-/tinycolor2-1.4.2.tgz",
+      "integrity": "sha512-vJhccZPs965sV/L2sU4oRQVAos0pQXwsvTLkWYdqJ+a8Q5kPFzJTuOFwy7UniPli44NKQGAglksjvOcpo95aZA==",
+      "engines": {
+        "node": "*"
+      }
     },
     "node_modules/tinyglobby": {
       "version": "0.2.12",
@@ -15561,9 +15779,10 @@
       "license": "ISC"
     },
     "node_modules/tmp": {
-      "version": "0.2.3",
+      "version": "0.2.5",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.2.5.tgz",
+      "integrity": "sha512-voyz6MApa1rQGUxT3E+BK7/ROe8itEx7vD8/HEvt4xwXucvQ5G5oeEiHkmHZJuBO21RpOf+YYm9MOivj709jow==",
       "dev": true,
-      "license": "MIT",
       "engines": {
         "node": ">=14.14"
       }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sqliteviz",
-  "version": "0.28.0",
+  "version": "0.30.0",
   "license": "Apache-2.0",
   "private": true,
   "type": "module",
@@ -10,7 +10,8 @@
     "serve": "vite preview",
     "test": "karma start karma.conf.cjs",
     "lint": "eslint --ext .js,.vue --ignore-path .gitignore --fix src",
-    "format": "prettier .  --write"
+    "format": "prettier .  --write",
+    "postinstall": "patch-package"
   },
   "dependencies": {
     "@sigma/export-image": "^3.0.0",
@@ -33,9 +34,10 @@
     "react-chart-editor": "^0.46.1",
     "react-dom": "^16.14.0",
     "seedrandom": "^3.0.5",
-    "sigma": "^3.0.1",
+    "sigma": "3.0.2",
     "sql.js": "file:./lib/sql-js",
     "tiny-emitter": "^2.1.0",
+    "tinycolor2": "^1.4.2",
     "veaury": "^2.5.1",
     "vue": "^3.5.11",
     "vue-final-modal": "^4.5.5",
@@ -67,6 +69,8 @@
     "karma-spec-reporter": "^0.0.36",
     "karma-vite": "^1.0.5",
     "mocha": "^5.2.0",
+    "patch-package": "^8.0.1",
+    "postinstall-postinstall": "^2.1.0",
     "prettier": "3.5.3",
     "process": "^0.11.10",
     "url-loader": "^4.1.1",

patches/sigma+3.0.2.patch

@@ -0,0 +1,24 @@
+diff --git a/node_modules/sigma/dist/colors-beb06eb2.esm.js b/node_modules/sigma/dist/colors-beb06eb2.esm.js
+index b7130d1..bf101b6 100644
+--- a/node_modules/sigma/dist/colors-beb06eb2.esm.js
++++ b/node_modules/sigma/dist/colors-beb06eb2.esm.js
+@@ -51,7 +51,6 @@ function _nonIterableRest() {
+ function _slicedToArray(r, e) {
+   return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest();
+ }
+-
+ var HTML_COLORS = {
+   black: "#000000",
+   silver: "#C0C0C0",
+@@ -267,7 +266,10 @@ for (var htmlColor in HTML_COLORS) {
+   FLOAT_COLOR_CACHE[HTML_COLORS[htmlColor]] = FLOAT_COLOR_CACHE[htmlColor];
+ }
+ function rgbaToFloat(r, g, b, a, masking) {
+-  INT32[0] = a << 24 | b << 16 | g << 8 | r;
++  const r_= Math.floor(r * a / 255)
++  const g_= Math.floor(g * a / 255)
++  const b_= Math.floor(b * a / 255)
++  INT32[0] = a << 24 | b_ << 16 | g_ << 8 | r_;
+   if (masking) INT32[0] = INT32[0] & 0xfeffffff;
+   return FLOAT32[0];
+ }

src/components/AppDiagnosticInfo.vue

@@ -27,7 +27,7 @@
 
 <script>
 import CloseIcon from '@/components/svg/close'
-import { version } from '../../../package.json'
+import { version } from '../../package.json'
 
 export default {
   name: 'AppDiagnosticInfo',

src/components/Common/IconButton.vue

@@ -23,7 +23,7 @@
 
 <script>
 import tooltipMixin from '@/tooltipMixin'
-import LoadingIndicator from '@/components/LoadingIndicator'
+import LoadingIndicator from '@/components/Common/LoadingIndicator'
 
 export default {
   name: 'SideBarButton',

src/components/Common/LoadingDialog.vue

@@ -46,7 +46,7 @@
 </template>
 
 <script>
-import LoadingIndicator from '@/components/LoadingIndicator'
+import LoadingIndicator from '@/components/Common/LoadingIndicator'
 import CloseIcon from '@/components/svg/close'
 
 export default {

src/components/Common/Logs.vue

@@ -18,7 +18,7 @@
 </template>
 
 <script>
-import LoadingIndicator from '@/components/LoadingIndicator'
+import LoadingIndicator from '@/components/Common/LoadingIndicator'
 
 export default {
   name: 'Logs',

src/components/Common/Splitpanes/index.vue

@@ -13,16 +13,16 @@
       :style="movableSplitterStyle"
     />
     <div
+      v-show="!before.hidden"
       ref="left"
       class="splitpanes-pane"
-      :size="paneBefore.size"
-      max-size="30"
       :style="styles.before"
     >
       <slot name="left-pane" />
     </div>
     <!-- Splitter start-->
     <div
+      v-show="!before.hidden && !after.hidden"
       class="splitpanes-splitter"
       @mousedown="bindEvents"
       @touchstart="bindEvents"
@@ -64,7 +64,12 @@
       </div>
     </div>
     <!-- splitter end -->
-    <div ref="right" class="splitpanes-pane" :style="styles.after">
+    <div
+      v-show="!after.hidden"
+      ref="right"
+      class="splitpanes-pane"
+      :style="styles.after"
+    >
       <slot name="right-pane" />
     </div>
   </div>
@@ -114,10 +119,12 @@ export default {
     styles() {
       return {
         before: {
-          [this.horizontal ? 'height' : 'width']: `${this.paneBefore.size}%`
+          [this.horizontal ? 'height' : 'width']:
+            `${this.after.hidden ? 100 : this.paneBefore.size}%`
         },
         after: {
-          [this.horizontal ? 'height' : 'width']: `${this.paneAfter.size}%`
+          [this.horizontal ? 'height' : 'width']:
+            `${this.before.hidden ? 100 : this.paneAfter.size}%`
         }
       }
     },

src/components/CsvJsonImport/index.vue

@@ -102,11 +102,11 @@
 <script>
 import csv from '@/lib/csv'
 import CloseIcon from '@/components/svg/close'
-import TextField from '@/components/TextField'
+import TextField from '@/components/Common/TextField'
 import DelimiterSelector from './DelimiterSelector'
-import CheckBox from '@/components/CheckBox'
+import CheckBox from '@/components/Common/CheckBox'
 import SqlTable from '@/components/SqlTable'
-import Logs from '@/components/Logs'
+import Logs from '@/components/Common/Logs'
 import time from '@/lib/utils/time'
 import fIo from '@/lib/utils/fileIo'
 import events from '@/lib/utils/events'

src/components/DataView.vue

@@ -11,6 +11,7 @@
         :initOptions="initOptionsByMode[mode]"
         :data-sources="dataSource"
         :showViewSettings="showViewSettings"
+        :showValueViewer="viewValuePanelVisible"
         @loading-image-completed="loadingImage = false"
         @update="$emit('update')"
       />
@@ -56,6 +57,17 @@
         <settings-icon />
       </icon-button>
 
+      <icon-button
+        v-if="mode === 'graph'"
+        ref="viewNodeOrEdgeBtn"
+        tooltip="View node or edge details"
+        tooltipPosition="top-left"
+        :active="viewValuePanelVisible"
+        @click="viewValuePanelVisible = !viewValuePanelVisible"
+      >
+        <view-cell-value-icon />
+      </icon-button>
+
       <div class="side-tool-bar-divider" />
 
       <icon-button
@@ -113,11 +125,11 @@
 </template>
 
 <script>
-import Chart from './Chart/index.vue'
-import Pivot from './Pivot/index.vue'
-import Graph from './Graph/index.vue'
-import SideToolBar from '../SideToolBar'
-import IconButton from '@/components/IconButton'
+import Chart from '@/components/Chart.vue'
+import Pivot from '@/components/Pivot'
+import Graph from '@/components/Graph/index.vue'
+import SideToolBar from '@/components/SideToolBar'
+import IconButton from '@/components/Common/IconButton'
 import ChartIcon from '@/components/svg/chart'
 import PivotIcon from '@/components/svg/pivot'
 import GraphIcon from '@/components/svg/graph.vue'
@@ -126,8 +138,9 @@ import HtmlIcon from '@/components/svg/html'
 import ExportToSvgIcon from '@/components/svg/exportToSvg'
 import PngIcon from '@/components/svg/png'
 import ClipboardIcon from '@/components/svg/clipboard'
+import ViewCellValueIcon from '@/components/svg/viewCellValue'
 import cIo from '@/lib/utils/clipboardIo'
-import loadingDialog from '@/components/LoadingDialog.vue'
+import loadingDialog from '@/components/Common/LoadingDialog.vue'
 import time from '@/lib/utils/time'
 import events from '@/lib/utils/events'
 
@@ -144,6 +157,7 @@ export default {
     GraphIcon,
     SettingsIcon,
     ExportToSvgIcon,
+    ViewCellValueIcon,
     PngIcon,
     HtmlIcon,
     ClipboardIcon,
@@ -172,7 +186,8 @@ export default {
         graph: this.initMode === 'graph' ? this.initOptions : null
       },
       showLoadingDialog: false,
-      showViewSettings: true
+      showViewSettings: true,
+      viewValuePanelVisible: false
     }
   },
   computed: {

src/components/Graph/CirclePackLayoutSettings.vue

@@ -28,7 +28,7 @@
     </multiselect>
   </Field>
 
-  <Field label="Seed value">
+  <Field label="Seed value" fieldContainerClassName="test_seed_value">
     <NumericInput
       :value="modelValue.seedValue"
       @update="update('seedValue', $event)"
@@ -40,7 +40,6 @@
 import { applyPureReactInVue } from 'veaury'
 import Field from 'react-chart-editor/lib/components/fields/Field'
 import NumericInput from 'react-chart-editor/lib/components/widgets/NumericInput'
-import Dropdown from 'react-chart-editor/lib/components/widgets/Dropdown'
 import Multiselect from 'vue-multiselect'
 import 'react-chart-editor/lib/react-chart-editor.css'
 
@@ -48,7 +47,6 @@ export default {
   components: {
     Field: applyPureReactInVue(Field),
     NumericInput: applyPureReactInVue(NumericInput),
-    Dropdown: applyPureReactInVue(Dropdown),
     Multiselect
   },
   props: {

src/components/Graph/EdgeColorSettings.vue

@@ -102,7 +102,7 @@ export default {
       ]),
       сolorscaleDirections: markRaw([
         { label: 'Normal', value: 'normal' },
-        { label: 'Recersed', value: 'reversed' }
+        { label: 'Reversed', value: 'reversed' }
       ]),
       colorSourceUsageOptions: markRaw([
         { label: 'Direct', value: 'direct' },

src/components/Graph/ForceAtlasSeedLayoutSettings.vue

@@ -0,0 +1,86 @@
+<template>
+  <Field label="Initial algorithm">
+    <Dropdown
+      :options="layoutOptions"
+      :value="modelValue.initialAlgorithm"
+      :clearable="false"
+      className="test_fa2_initial_layout_algorithm_select"
+      @change="updateInitialAlgorithm"
+    />
+  </Field>
+
+  <component
+    :is="layoutSettingsComponentMap[modelValue.initialAlgorithm]"
+    v-if="modelValue.initialAlgorithm !== 'circular'"
+    :modelValue="modelValue"
+    :keyOptions="keyOptions"
+    @update:model-value="$emit('update:modelValue', $event)"
+  />
+</template>
+
+<script>
+import { markRaw } from 'vue'
+import { applyPureReactInVue } from 'veaury'
+import Field from 'react-chart-editor/lib/components/fields/Field'
+import NumericInput from 'react-chart-editor/lib/components/widgets/NumericInput'
+import Dropdown from 'react-chart-editor/lib/components/widgets/Dropdown'
+import 'react-chart-editor/lib/react-chart-editor.css'
+import CirclePackLayoutSettings from '@/components/Graph/CirclePackLayoutSettings.vue'
+import RandomLayoutSettings from '@/components/Graph/RandomLayoutSettings.vue'
+
+export default {
+  components: {
+    Field: applyPureReactInVue(Field),
+    Dropdown: applyPureReactInVue(Dropdown),
+    NumericInput: applyPureReactInVue(NumericInput),
+    RandomLayoutSettings,
+    CirclePackLayoutSettings
+  },
+  props: {
+    modelValue: Object,
+    keyOptions: Array
+  },
+  emits: ['update:modelValue'],
+  data() {
+    return {
+      layoutOptions: markRaw([
+        { label: 'Circular', value: 'circular' },
+        { label: 'Random', value: 'random' },
+        { label: 'Circle pack', value: 'circlepack' }
+      ]),
+      layoutSettingsComponentMap: markRaw({
+        random: RandomLayoutSettings,
+        circlepack: CirclePackLayoutSettings
+      }),
+      defaultSeedLayoutSettings: {
+        circular: { initialAlgorithm: 'circular' },
+        random: { initialAlgorithm: 'random', seedValue: 1 },
+        circlepack: {
+          initialAlgorithm: 'circlepack',
+          hierarchyAttributes: [],
+          seedValue: 1
+        }
+      }
+    }
+  },
+  methods: {
+    updateInitialAlgorithm(newAlgorithm) {
+      const newSettings = {
+        ...this.modelValue
+      }
+
+      const prevAlgorithmSettings =
+        this.defaultSeedLayoutSettings[this.modelValue.initialAlgorithm]
+      Object.keys(prevAlgorithmSettings).forEach(key => {
+        delete newSettings[key]
+        prevAlgorithmSettings[key] = this.modelValue[key]
+      })
+
+      this.$emit('update:modelValue', {
+        ...newSettings,
+        ...this.defaultSeedLayoutSettings[newAlgorithm]
+      })
+    }
+  }
+}
+</script>

src/components/Graph/GraphEditor.vue

@@ -11,7 +11,7 @@
                 documentation</a
               >.
             </Field>
-            <Field label="Object type" ref="objectTypeField">
+            <Field ref="objectTypeField" label="Object type">
               <Dropdown
                 :options="keysOptions"
                 :value="settings.structure.objectType"
@@ -67,6 +67,15 @@
                 @color-change="settings.style.backgroundColor = $event"
               />
             </Field>
+
+            <Field label="Highlight mode">
+              <Dropdown
+                :options="highlightModeOptions"
+                :value="settings.style.highlightMode"
+                className="test_highlight_mode_select"
+                @change="updateHighlightNodeMode"
+              />
+            </Field>
           </Fold>
         </Panel>
         <Panel group="Style" name="Nodes">
@@ -162,6 +171,17 @@
             />
           </Fold>
           <template v-if="settings.layout.type === 'forceAtlas2'">
+            <Fold name="Seed layout">
+              <Field>
+                If you already built a graph using another layout, the initial
+                algorithm doesn't apply unless you restart it.
+              </Field>
+              <ForceAtlasSeedLayoutSettings
+                v-model="settings.layout.options"
+                :keyOptions="keysOptions"
+                @update:model-value="updateLayout(settings.layout.type)"
+              />
+            </Fold>
             <Fold name="Advanced layout settings">
               <AdvancedForceAtlasLayoutSettings
                 v-model="settings.layout.options"
@@ -172,27 +192,37 @@
             <div class="force-atlas-buttons">
               <Button
                 variant="secondary"
-                @click="resetFA2LayoutSettings"
                 class="test_fa2_reset"
+                title="Set the settings to default or previously saved ones."
+                @click="resetFA2LayoutSettings"
               >
                 Reset
               </Button>
               <Button
                 variant="primary"
-                @click="toggleFA2Layout"
                 class="test_fa2_toggle"
+                @click="toggleFA2Layout"
               >
                 <template #node:icon>
-                  <div
-                    :style="{
-                      padding: '0 3px'
-                    }"
-                  >
+                  <div>
                     <RunIcon v-if="!fa2Running" />
-                    <StopIcon v-else />
+                    <PauseIcon v-else />
                   </div>
                 </template>
-                {{ fa2Running ? 'Stop' : 'Start' }}
+                {{ fa2Running ? 'Pause' : 'Continue' }}
+              </Button>
+              <Button
+                variant="primary"
+                class="test_fa2_restart"
+                title="Clear node coordinates and run the layout algorithm anew."
+                @click="restartFA2Layout"
+              >
+                <template #node:icon>
+                  <div>
+                    <RestartIcon />
+                  </div>
+                </template>
+                Restart
               </Button>
             </div>
           </template>
@@ -225,18 +255,24 @@ import Button from 'react-chart-editor/lib/components/widgets/Button'
 import Field from 'react-chart-editor/lib/components/fields/Field'
 import RandomLayoutSettings from '@/components/Graph/RandomLayoutSettings.vue'
 import ForceAtlasLayoutSettings from '@/components/Graph/ForceAtlasLayoutSettings.vue'
+import ForceAtlasSeedLayoutSettings from '@/components/Graph/ForceAtlasSeedLayoutSettings.vue'
+// eslint-disable-next-line max-len
 import AdvancedForceAtlasLayoutSettings from '@/components/Graph/AdvancedForceAtlasLayoutSettings.vue'
 import CirclePackLayoutSettings from '@/components/Graph/CirclePackLayoutSettings.vue'
 import FA2Layout from 'graphology-layout-forceatlas2/worker'
 import * as forceAtlas2 from 'graphology-layout-forceatlas2'
 import RunIcon from '@/components/svg/run.vue'
-import StopIcon from '@/components/svg/stop.vue'
+import RestartIcon from '@/components/svg/restart.vue'
+import PauseIcon from '@/components/svg/pause.vue'
 import { downloadAsPNG, drawOnCanvas } from '@sigma/export-image'
 import {
   buildNodes,
   buildEdges,
   updateNodes,
-  updateEdges
+  updateEdges,
+  reduceNodes,
+  reduceEdges,
+  clearNodeCoordinates
 } from '@/lib/graphHelper'
 import Graph from 'graphology'
 import { circular, random, circlepack } from 'graphology-layout'
@@ -261,14 +297,16 @@ export default {
     Button: applyPureReactInVue(Button),
     ColorPicker: applyPureReactInVue(ColorPicker),
     RunIcon,
-    StopIcon,
+    RestartIcon,
+    PauseIcon,
     RandomLayoutSettings,
     CirclePackLayoutSettings,
     NodeColorSettings,
     NodeSizeSettings,
     EdgeSizeSettings,
     EdgeColorSettings,
-    AdvancedForceAtlasLayoutSettings
+    AdvancedForceAtlasLayoutSettings,
+    ForceAtlasSeedLayoutSettings
   },
   inject: ['tabLayout'],
   props: {
@@ -276,7 +314,7 @@ export default {
     initOptions: Object,
     showViewSettings: Boolean
   },
-  emits: ['update'],
+  emits: ['update', 'selectItem', 'clearSelection'],
   data() {
     return {
       graph: new Graph({ multi: true, allowSelfLoops: true }),
@@ -299,7 +337,16 @@ export default {
         circlepack: CirclePackLayoutSettings,
         forceAtlas2: ForceAtlasLayoutSettings
       }),
-
+      layoutMethodMap: markRaw({
+        circular: this.applyCircularLayout,
+        random: this.applyRandomLayout,
+        circlepack: this.applyCirclePackLayout,
+        forceAtlas2: this.applyFA2Layout
+      }),
+      selectedNodeId: undefined,
+      hoveredNodeId: undefined,
+      selectedEdgeId: undefined,
+      hoveredEdgeId: undefined,
       settings: this.initOptions
         ? JSON.parse(JSON.stringify(this.initOptions))
         : {
@@ -311,6 +358,7 @@ export default {
             },
             style: {
               backgroundColor: 'white',
+              highlightMode: 'node_and_neighbors',
               nodes: {
                 size: {
                   type: 'constant',
@@ -318,7 +366,8 @@ export default {
                 },
                 color: {
                   type: 'constant',
-                  value: '#1F77B4'
+                  value: '#1F77B4',
+                  opacity: 100
                 },
                 label: {
                   source: null,
@@ -350,7 +399,15 @@ export default {
         random: null,
         circlepack: null,
         forceAtlas2: null
-      }
+      },
+      highlightModeOptions: markRaw([
+        { label: 'Node alone', value: 'node_alone' },
+        { label: 'Node and neighbors', value: 'node_and_neighbors' },
+        {
+          label: 'Include edges between neighbors',
+          value: 'include_neighbor_edges'
+        }
+      ])
     }
   },
   computed: {
@@ -377,6 +434,46 @@ export default {
       }, new Set())
 
       return Array.from(keySet)
+    },
+    neighborsOfSelectedNode() {
+      if (this.settings.style.highlightMode === 'node_alone') {
+        return undefined
+      }
+      return this.selectedNodeId
+        ? new Set(this.graph.neighbors(this.selectedNodeId))
+        : undefined
+    },
+    neighborsOfHoveredNode() {
+      if (this.settings.style.highlightMode === 'node_alone') {
+        return undefined
+      }
+      return this.hoveredNodeId
+        ? new Set(this.graph.neighbors(this.hoveredNodeId))
+        : undefined
+    },
+    hoveredEdgeExtremities() {
+      return this.hoveredEdgeId
+        ? this.graph.extremities(this.hoveredEdgeId)
+        : []
+    },
+    selectedEdgeExtremities() {
+      return this.selectedEdgeId
+        ? this.graph.extremities(this.selectedEdgeId)
+        : []
+    },
+    interactionState() {
+      return {
+        selectedNodeId: this.selectedNodeId,
+        hoveredNodeId: this.hoveredNodeId,
+        selectedEdgeId: this.selectedEdgeId,
+        hoveredEdgeId: this.hoveredEdgeId,
+
+        neighborsOfSelectedNode: this.neighborsOfSelectedNode,
+        neighborsOfHoveredNode: this.neighborsOfHoveredNode,
+
+        hoveredEdgeExtremities: this.hoveredEdgeExtremities,
+        selectedEdgeExtremities: this.selectedEdgeExtremities
+      }
     }
   },
   watch: {
@@ -421,6 +518,7 @@ export default {
   },
   methods: {
     buildGraph() {
+      this.clearSelection()
       if (this.renderer) {
         this.renderer.kill()
       }
@@ -436,12 +534,87 @@ export default {
       this.updateLayout(this.settings.layout.type)
       this.renderer = new Sigma(this.graph, this.$refs.graph, {
         renderEdgeLabels: true,
-        allowInvalidContainer: true
+        allowInvalidContainer: true,
+        labelColor: { attribute: 'labelColor', color: '#444444' },
+        edgeLabelColor: { attribute: 'labelColor', color: '#a2b1c6' },
+        enableEdgeEvents: true,
+        zIndex: true,
+        nodeReducer: (node, data) =>
+          reduceNodes(node, data, this.interactionState, this.settings),
+        edgeReducer: (edge, data) =>
+          reduceEdges(
+            edge,
+            data,
+            this.interactionState,
+            this.settings,
+            this.graph
+          )
       })
+      this.renderer.on('clickNode', ({ node }) => {
+        this.selectedNodeId = node
+        this.selectedEdgeId = undefined
+        this.$emit('selectItem', this.graph.getNodeAttributes(node).data)
+        this.renderer.refresh({
+          skipIndexation: true
+        })
+      })
+      this.renderer.on('clickEdge', ({ edge }) => {
+        this.selectedEdgeId = edge
+        this.selectedNodeId = undefined
+        this.$emit('selectItem', this.graph.getEdgeAttributes(edge).data)
+        this.renderer.refresh({
+          skipIndexation: true
+        })
+      })
+      this.renderer.on('clickStage', () => {
+        this.clearSelection()
+        this.renderer.refresh({
+          skipIndexation: true
+        })
+      })
+      this.renderer.on('enterNode', ({ node }) => {
+        this.hoveredNodeId = node
+        this.renderer.refresh({
+          skipIndexation: true
+        })
+      })
+      this.renderer.on('enterEdge', ({ edge }) => {
+        this.hoveredEdgeId = edge
+        this.renderer.refresh({
+          skipIndexation: true
+        })
+      })
+      this.renderer.on('leaveNode', () => {
+        this.hoveredNodeId = undefined
+        this.renderer.refresh({
+          skipIndexation: true
+        })
+      })
+      this.renderer.on('leaveEdge', () => {
+        this.hoveredEdgeId = undefined
+        this.renderer.refresh({
+          skipIndexation: true
+        })
+      })
+
       if (this.settings.layout.type === 'forceAtlas2') {
         this.autoRunFA2Layout()
       }
     },
+    clearSelection() {
+      this.selectedNodeId = undefined
+      this.selectedEdgeId = undefined
+      this.$emit('clearSelection')
+    },
+    updateHighlightNodeMode(mode) {
+      this.settings.style.highlightMode = mode
+
+      if (this.renderer) {
+        this.renderer.refresh({
+          skipIndexation: true
+        })
+      }
+    },
     updateStructure(attributeName, value) {
       this.settings.structure[attributeName] = value
     },
@@ -501,75 +674,76 @@ export default {
         this.fa2Layout.kill()
       }
 
-      if (layoutType === 'circular') {
-        circular.assign(this.graph)
-        return
-      }
+      this.layoutMethodMap[layoutType]()
 
-      if (layoutType === 'random') {
-        random.assign(this.graph, {
-          rng: seedrandom(this.settings.layout.options.seedValue)
-        })
-        return
+      if (layoutType === 'forceAtlas2' && layoutType !== prevLayout) {
+        this.autoRunFA2Layout()
       }
-
-      if (layoutType === 'circlepack') {
-        this.graph.forEachNode(nodeId => {
-          this.graph.updateNode(nodeId, attributes => {
-            const newAttributes = { ...attributes }
-            // Delete old hierarchy attributes
-            Object.keys(newAttributes)
-              .filter(key => key.startsWith('hierarchyAttribute'))
-              .forEach(
-                hierarchyAttributeKey =>
-                  delete newAttributes[hierarchyAttributeKey]
-              )
-            // Set new hierarchy attributes
-            this.settings.layout.options.hierarchyAttributes?.forEach(
-              (hierarchyAttribute, index) => {
-                newAttributes['hierarchyAttribute' + index] =
-                  attributes.data[hierarchyAttribute]
-              }
+    },
+    applyCircularLayout() {
+      circular.assign(this.graph)
+    },
+    applyRandomLayout() {
+      random.assign(this.graph, {
+        rng: seedrandom(this.settings.layout.options.seedValue)
+      })
+    },
+    applyCirclePackLayout() {
+      this.graph.forEachNode(nodeId => {
+        this.graph.updateNode(nodeId, attributes => {
+          const newAttributes = { ...attributes }
+          // Delete old hierarchy attributes
+          Object.keys(newAttributes)
+            .filter(key => key.startsWith('hierarchyAttribute'))
+            .forEach(
+              hierarchyAttributeKey =>
+                delete newAttributes[hierarchyAttributeKey]
             )
-
-            return newAttributes
-          })
-        })
-
-        circlepack.assign(this.graph, {
-          hierarchyAttributes:
-            this.settings.layout.options.hierarchyAttributes?.map(
-              (_, index) => 'hierarchyAttribute' + index
-            ) || [],
-          rng: seedrandom(this.settings.layout.options.seedValue)
-        })
-        return
-      }
-
-      if (layoutType === 'forceAtlas2') {
-        if (
-          !this.graph.someNode(
-            (nodeKey, attributes) =>
-              typeof attributes.x === 'number' &&
-              typeof attributes.y === 'number'
+          // Set new hierarchy attributes
+          this.settings.layout.options.hierarchyAttributes?.forEach(
+            (hierarchyAttribute, index) => {
+              newAttributes['hierarchyAttribute' + index] =
+                attributes.data[hierarchyAttribute]
+            }
           )
-        ) {
-          circular.assign(this.graph)
-        }
 
-        this.fa2Layout = markRaw(
-          new FA2Layout(this.graph, {
-            getEdgeWeight: (_, attr) =>
-              this.settings.layout.options.weightSource
-                ? attr.data[this.settings.layout.options.weightSource]
-                : 1,
-            settings: this.settings.layout.options
-          })
+          return newAttributes
+        })
+      })
+
+      circlepack.assign(this.graph, {
+        hierarchyAttributes:
+          this.settings.layout.options.hierarchyAttributes?.map(
+            (_, index) => 'hierarchyAttribute' + index
+          ) || [],
+        rng: seedrandom(this.settings.layout.options.seedValue)
+      })
+    },
+    applyFA2Layout() {
+      if (
+        !this.graph.someNode(
+          (nodeKey, attributes) =>
+            typeof attributes.x === 'number' && typeof attributes.y === 'number'
         )
-        if (layoutType !== prevLayout) {
-          this.autoRunFA2Layout()
-        }
+      ) {
+        this.layoutMethodMap[this.settings.layout.options.initialAlgorithm]()
       }
+
+      const fa2settings = { ...this.settings.layout.options }
+      // delete all custom settings because they can break the algorithm running
+      delete fa2settings.initialAlgorithm
+      delete fa2settings.seedValue
+      delete fa2settings.initialIterationsAmount
+      delete fa2settings.hierarchyAttributes
+      this.fa2Layout = markRaw(
+        new FA2Layout(this.graph, {
+          getEdgeWeight: (_, attr) =>
+            this.settings.layout.options.weightSource
+              ? attr.data[this.settings.layout.options.weightSource]
+              : 1,
+          settings: fa2settings
+        })
+      )
     },
     toggleFA2Layout() {
       if (this.fa2Layout.isRunning()) {
@@ -590,6 +764,15 @@ export default {
         this.checkIteration = null
       }
     },
+    restartFA2Layout() {
+      if (this.fa2Layout.isRunning()) {
+        this.stopFA2Layout()
+      }
+      this.fa2Layout.kill()
+      clearNodeCoordinates(this.graph)
+      this.applyFA2Layout()
+      this.autoRunFA2Layout()
+    },
     autoRunFA2Layout() {
       let iteration = 1
       this.checkIteration = () => {
@@ -607,6 +790,7 @@ export default {
     setRecommendedFA2Settings() {
       const sensibleSettings = forceAtlas2.default.inferSettings(this.graph)
       this.settings.layout.options = {
+        initialAlgorithm: 'circular',
         initialIterationsAmount: 50,
         adjustSizes: false,
         barnesHutOptimize: false,
@@ -668,4 +852,8 @@ export default {
   flex-grow: 1;
   flex-basis: 0;
 }
+
+.force-atlas-buttons :deep(.button__icon > div) {
+  padding: 0 3px;
+}
 </style>

src/components/Graph/NodeColorSettings.vue

@@ -57,10 +57,20 @@
     </template>
   </Field>
 
+  <Field label="Opacity" fieldContainerClassName="test_node_opacity">
+    <NumericInput
+      :value="modelValue.opacity"
+      :showSlider="true"
+      :integerOnly="true"
+      :max="100"
+      :min="0"
+      units="%"
+      @update="updateSettings('opacity', $event)"
+    />
+  </Field>
+
   <Field
-    v-if="
-      modelValue.sourceUsage === 'map_to' || modelValue.type === 'calculated'
-    "
+    v-if="modelValue.type === 'map_to' || modelValue.type === 'calculated'"
     label="Color as"
     fieldContainerClassName="test_node_color_as"
   >
@@ -89,6 +99,7 @@
 <script>
 import { markRaw } from 'vue'
 import { applyPureReactInVue } from 'veaury'
+import NumericInput from 'react-chart-editor/lib/components/widgets/NumericInput'
 import Dropdown from 'react-chart-editor/lib/components/widgets/Dropdown'
 import RadioBlocks from 'react-chart-editor/lib/components/widgets/RadioBlocks'
 import ColorscalePicker from 'react-chart-editor/lib/components/widgets/ColorscalePicker'
@@ -98,6 +109,7 @@ import 'react-chart-editor/lib/react-chart-editor.css'
 
 export default {
   components: {
+    NumericInput: applyPureReactInVue(NumericInput),
     Dropdown: applyPureReactInVue(Dropdown),
     RadioBlocks: applyPureReactInVue(RadioBlocks),
     Field: applyPureReactInVue(Field),
@@ -127,26 +139,28 @@ export default {
       ]),
       сolorscaleDirections: markRaw([
         { label: 'Normal', value: 'normal' },
-        { label: 'Recersed', value: 'reversed' }
+        { label: 'Reversed', value: 'reversed' }
       ]),
       colorSourceUsageOptions: markRaw([
         { label: 'Direct', value: 'direct' },
         { label: 'Map to', value: 'map_to' }
       ]),
       defaultColorSettings: {
-        constant: { value: '#1F77B4' },
+        constant: { value: '#1F77B4', opacity: 100 },
         variable: {
           source: null,
           sourceUsage: 'map_to',
           colorscale: null,
           mode: 'categorical',
-          colorscaleDirection: 'normal'
+          colorscaleDirection: 'normal',
+          opacity: 100
         },
         calculated: {
           method: 'degree',
           colorscale: null,
           mode: 'continious',
-          colorscaleDirection: 'normal'
+          colorscaleDirection: 'normal',
+          opacity: 100
         }
       }
     }

src/components/Graph/RandomLayoutSettings.vue

@@ -1,5 +1,5 @@
 <template>
-  <Field label="Seed value">
+  <Field label="Seed value" fieldContainerClassName="test_seed_value">
     <NumericInput
       :value="modelValue.seedValue"
       @update="update('seedValue', $event)"

src/components/Graph/index.vue

@@ -13,21 +13,38 @@
         documentation</a
       >.
     </div>
-    <div
+    <splitpanes
+      :before="{ size: 70, max: 100 }"
+      :after="{ size: 30, max: 50, hidden: !showValueViewer }"
+      :default="{ before: 70, after: 30 }"
       class="graph"
       :style="{
         height:
           !dataSources || !dataSourceIsValid ? 'calc(100% - 40px)' : '100%'
       }"
     >
-      <GraphEditor
-        ref="graphEditor"
-        :dataSources="dataSources"
-        :initOptions="initOptions"
-        :showViewSettings="showViewSettings"
-        @update="$emit('update')"
-      />
-    </div>
+      <template #left-pane>
+        <div ref="graphEditorContainer" :style="{ height: '100%' }">
+          <GraphEditor
+            ref="graphEditor"
+            :dataSources="dataSources"
+            :initOptions="initOptions"
+            :showViewSettings="showViewSettings"
+            @update="$emit('update')"
+            @select-item="selectedItem = $event"
+            @clear-selection="selectedItem = null"
+          />
+        </div>
+      </template>
+      <template v-if="showValueViewer" #right-pane>
+        <value-viewer
+          :empty="!selectedItem"
+          emptyMessage="No node or edge selected to view"
+          :value="JSON.stringify(selectedItem)"
+          defaultFormat="json"
+        />
+      </template>
+    </splitpanes>
   </div>
 </template>
 
@@ -35,17 +52,20 @@
 import 'react-chart-editor/lib/react-chart-editor.css'
 import GraphEditor from '@/components/Graph/GraphEditor.vue'
 import { dataSourceIsValid } from '@/lib/graphHelper'
+import ValueViewer from '@/components/ValueViewer.vue'
+import Splitpanes from '@/components/Common/Splitpanes'
 
 export default {
   name: 'Graph',
-  components: { GraphEditor },
+  components: { GraphEditor, ValueViewer, Splitpanes },
   props: {
     dataSources: Object,
     initOptions: Object,
     exportToPngEnabled: Boolean,
     exportToSvgEnabled: Boolean,
     exportToHtmlEnabled: Boolean,
-    showViewSettings: Boolean
+    showViewSettings: Boolean,
+    showValueViewer: Boolean
   },
   emits: [
     'update:exportToSvgEnabled',
@@ -57,21 +77,14 @@ export default {
   ],
   data() {
     return {
-      resizeObserver: null
+      resizeObserver: null,
+      selectedItem: null
     }
   },
-  created() {
-    this.$emit('update:exportToSvgEnabled', false)
-    this.$emit('update:exportToHtmlEnabled', false)
-    this.$emit('update:exportToPngEnabled', !!this.dataSources)
-    this.$emit('update:exportToClipboardEnabled', !!this.dataSources)
-  },
-  mounted() {
-    this.resizeObserver = new ResizeObserver(this.handleResize)
-    this.resizeObserver.observe(this.$refs.graphContainer)
-  },
-  beforeUnmount() {
-    this.resizeObserver.unobserve(this.$refs.graphContainer)
+  computed: {
+    dataSourceIsValid() {
+      return !this.dataSources || dataSourceIsValid(this.dataSources)
+    }
   },
   watch: {
     async showViewSettings() {
@@ -83,10 +96,18 @@ export default {
       this.$emit('update:exportToClipboardEnabled', !!this.dataSources)
     }
   },
-  computed: {
-    dataSourceIsValid() {
-      return !this.dataSources || dataSourceIsValid(this.dataSources)
-    }
+  created() {
+    this.$emit('update:exportToSvgEnabled', false)
+    this.$emit('update:exportToHtmlEnabled', false)
+    this.$emit('update:exportToPngEnabled', !!this.dataSources)
+    this.$emit('update:exportToClipboardEnabled', !!this.dataSources)
+  },
+  mounted() {
+    this.resizeObserver = new ResizeObserver(this.handleResize)
+    this.resizeObserver.observe(this.$refs.graphEditorContainer)
+  },
+  beforeUnmount() {
+    this.resizeObserver.unobserve(this.$refs.graphEditorContainer)
   },
   methods: {
     getOptionsForSave() {
@@ -100,7 +121,7 @@ export default {
       return this.$refs.graphEditor.prepareCopy()
     },
     async handleResize() {
-      const renderer = this.$refs.graphEditor.renderer
+      const renderer = this.$refs.graphEditor?.renderer
       if (renderer) {
         renderer.refresh()
         renderer.getCamera().animatedReset({ duration: 600 })

src/components/MainMenu.vue

@@ -87,7 +87,7 @@
 </template>
 
 <script>
-import TextField from '@/components/TextField'
+import TextField from '@/components/Common/TextField'
 import CloseIcon from '@/components/svg/close'
 import storedInquiries from '@/lib/storedInquiries'
 import AppDiagnosticInfo from './AppDiagnosticInfo'

src/components/Pivot/index.vue

@@ -33,7 +33,7 @@ import 'pivottable'
 import 'pivottable/dist/pivot.css'
 import PivotUi from './PivotUi/index.vue'
 import pivotHelper from './pivotHelper'
-import Chart from '@/views/MainView/Workspace/Tabs/Tab/DataView/Chart'
+import Chart from '@/components/Chart'
 import chartHelper from '@/lib/chartHelper'
 import events from '@/lib/utils/events'
 import plotly from 'plotly.js'

src/components/RunResult/Record/RowNavigator.vue

@@ -40,7 +40,7 @@
 </template>
 
 <script>
-import IconButton from '@/components/IconButton'
+import IconButton from '@/components/Common/IconButton'
 import ArrowIcon from '@/components/svg/arrow'
 import EdgeArrowIcon from '@/components/svg/edgeArrow'
 

src/components/RunResult/index.vue

@@ -1,40 +1,66 @@
 <template>
   <div ref="runResultPanel" class="run-result-panel">
-    <component
-      :is="viewValuePanelVisible ? 'splitpanes' : 'div'"
+    <splitpanes
       :before="{ size: 50, max: 100 }"
-      :after="{ size: 50, max: 100 }"
+      :after="{ size: 50, max: 100, hidden: !viewValuePanelVisible }"
       :default="{ before: 50, after: 50 }"
       class="run-result-panel-content"
     >
       <template #left-pane>
-        <div
-          :id="'run-result-left-pane-' + tab.id"
-          class="result-set-container"
-        />
-      </template>
-      <div
-        :id="'run-result-result-set-' + tab.id"
-        class="result-set-container"
-      />
-      <template v-if="viewValuePanelVisible" #right-pane>
-        <div class="value-viewer-container">
-          <value-viewer
-            v-show="selectedCell"
-            :cellValue="
-              selectedCell
-                ? result.values[result.columns[selectedCell.dataset.col]][
-                    selectedCell.dataset.row
-                  ]
-                : ''
-            "
-          />
-          <div v-show="!selectedCell" class="table-preview">
-            No cell selected to view
+        <div class="result-set-container">
+          <div
+            v-show="result === null && !isGettingResults && !error"
+            class="table-preview result-before"
+          >
+            Run your query and get results here
           </div>
+          <div v-if="isGettingResults" class="table-preview result-in-progress">
+            <loading-indicator :size="30" />
+            Fetching results...
+          </div>
+          <div
+            v-show="result === undefined && !isGettingResults && !error"
+            class="table-preview result-empty"
+          >
+            No rows retrieved according to your query
+          </div>
+          <logs v-if="error" :messages="[error]" />
+          <sql-table
+            v-if="result && !viewRecord"
+            :data-set="result"
+            :time="time"
+            :pageSize="pageSize"
+            :page="defaultPage"
+            :selectedCellCoordinates="defaultSelectedCell"
+            class="straight"
+            @update-selected-cell="onUpdateSelectedCell"
+          />
+
+          <record
+            v-if="result && viewRecord"
+            ref="recordView"
+            :data-set="result"
+            :time="time"
+            :selectedColumnIndex="selectedCell ? +selectedCell.dataset.col : 0"
+            :rowIndex="selectedCell ? +selectedCell.dataset.row : 0"
+            @update-selected-cell="onUpdateSelectedCell"
+          />
         </div>
       </template>
-    </component>
+      <template v-if="viewValuePanelVisible" #right-pane>
+        <value-viewer
+          :empty="!selectedCell"
+          emptyMessage="No cell selected to view"
+          :value="
+            selectedCell
+              ? result.values[result.columns[selectedCell.dataset.col]][
+                  selectedCell.dataset.row
+                ]
+              : ''
+          "
+        />
+      </template>
+    </splitpanes>
 
     <side-tool-bar panel="table" @switch-to="$emit('switchTo', $event)">
       <icon-button
@@ -89,69 +115,27 @@
       @action="copyToClipboard"
       @cancel="cancelCopy"
     />
-
-    <teleport defer :to="resultSetTeleportTarget" :disabled="!enableTeleport">
-      <div>
-        <div
-          v-show="result === null && !isGettingResults && !error"
-          class="table-preview result-before"
-        >
-          Run your query and get results here
-        </div>
-        <div v-if="isGettingResults" class="table-preview result-in-progress">
-          <loading-indicator :size="30" />
-          Fetching results...
-        </div>
-        <div
-          v-show="result === undefined && !isGettingResults && !error"
-          class="table-preview result-empty"
-        >
-          No rows retrieved according to your query
-        </div>
-        <logs v-if="error" :messages="[error]" />
-        <sql-table
-          v-if="result && !viewRecord"
-          :data-set="result"
-          :time="time"
-          :pageSize="pageSize"
-          :page="defaultPage"
-          :selectedCellCoordinates="defaultSelectedCell"
-          class="straight"
-          @update-selected-cell="onUpdateSelectedCell"
-        />
-
-        <record
-          v-if="result && viewRecord"
-          ref="recordView"
-          :data-set="result"
-          :time="time"
-          :selectedColumnIndex="selectedCell ? +selectedCell.dataset.col : 0"
-          :rowIndex="selectedCell ? +selectedCell.dataset.row : 0"
-          @update-selected-cell="onUpdateSelectedCell"
-        />
-      </div>
-    </teleport>
   </div>
 </template>
 
 <script>
-import Logs from '@/components/Logs'
-import SqlTable from '@/components/SqlTable/index.vue'
-import LoadingIndicator from '@/components/LoadingIndicator'
-import SideToolBar from '../SideToolBar'
-import Splitpanes from '@/components/Splitpanes'
+import Logs from '@/components/Common/Logs'
+import SqlTable from '@/components/SqlTable'
+import LoadingIndicator from '@/components/Common/LoadingIndicator'
+import SideToolBar from '@/components/SideToolBar'
+import Splitpanes from '@/components/Common/Splitpanes'
 import ExportToCsvIcon from '@/components/svg/exportToCsv'
 import ClipboardIcon from '@/components/svg/clipboard'
 import ViewCellValueIcon from '@/components/svg/viewCellValue'
 import RowIcon from '@/components/svg/row'
-import IconButton from '@/components/IconButton'
+import IconButton from '@/components/Common/IconButton'
 import csv from '@/lib/csv'
 import fIo from '@/lib/utils/fileIo'
 import cIo from '@/lib/utils/clipboardIo'
 import time from '@/lib/utils/time'
-import loadingDialog from '@/components/LoadingDialog'
+import loadingDialog from '@/components/Common/LoadingDialog'
 import events from '@/lib/utils/events'
-import ValueViewer from './ValueViewer'
+import ValueViewer from '@/components/ValueViewer'
 import Record from './Record/index.vue'
 
 export default {
@@ -172,7 +156,6 @@ export default {
     Splitpanes
   },
   props: {
-    tab: Object,
     result: Object,
     isGettingResults: Boolean,
     error: Object,
@@ -194,20 +177,6 @@ export default {
       showLoadingDialog: false
     }
   },
-  computed: {
-    resultSetTeleportTarget() {
-      if (!this.enableTeleport) {
-        return undefined
-      }
-      const base = `#${
-        this.viewValuePanelVisible
-          ? 'run-result-left-pane'
-          : 'run-result-result-set'
-      }`
-      const tabIdPostfix = `-${this.tab.id}`
-      return base + tabIdPostfix
-    }
-  },
   watch: {
     result() {
       this.defaultSelectedCell = null
@@ -332,19 +301,12 @@ export default {
   width: 0;
 }
 
-.result-set-container,
-.result-set-container > div {
+.result-set-container {
   position: relative;
   height: 100%;
   width: 100%;
   box-sizing: border-box;
 }
-.value-viewer-container {
-  height: 100%;
-  width: 100%;
-  background-color: var(--color-white);
-  position: relative;
-}
 
 .table-preview {
   position: absolute;

src/components/Schema/index.vue

@@ -35,7 +35,7 @@
 import fIo from '@/lib/utils/fileIo'
 import events from '@/lib/utils/events'
 import TableDescription from './TableDescription'
-import TextField from '@/components/TextField'
+import TextField from '@/components/Common/TextField'
 import TreeChevron from '@/components/svg/treeChevron'
 import DbUploader from '@/components/DbUploader'
 import ExportIcon from '@/components/svg/export'

src/components/SideToolBar.vue

@@ -37,7 +37,7 @@
 </template>
 
 <script>
-import IconButton from '@/components/IconButton'
+import IconButton from '@/components/Common/IconButton'
 import TableIcon from '@/components/svg/table'
 import SqlEditorIcon from '@/components/svg/sqlEditor'
 import DataViewIcon from '@/components/svg/dataView'

src/components/SqlEditor/index.vue

@@ -34,7 +34,7 @@ import 'codemirror/theme/neo.css'
 import 'codemirror/addon/hint/show-hint.css'
 import 'codemirror/addon/display/autorefresh.js'
 import SideToolBar from '../SideToolBar'
-import IconButton from '@/components/IconButton'
+import IconButton from '@/components/Common/IconButton'
 import RunIcon from '@/components/svg/run'
 
 export default {

src/components/SqlTable.vue

@@ -69,7 +69,7 @@
 </template>
 
 <script>
-import Pager from './Pager.vue'
+import Pager from '@/components/Common/Pager.vue'
 
 export default {
   name: 'SqlTable',

src/components/Tab.vue

@@ -37,7 +37,6 @@
       :disabled="!enableTeleport"
     >
       <run-result
-        :tab="tab"
         :result="tab.result"
         :isGettingResults="tab.isGettingResults"
         :error="tab.error"
@@ -64,10 +63,10 @@
 </template>
 
 <script>
-import Splitpanes from '@/components/Splitpanes'
-import SqlEditor from './SqlEditor'
-import DataView from './DataView'
-import RunResult from './RunResult'
+import Splitpanes from '@/components/Common/Splitpanes'
+import SqlEditor from '@/components/SqlEditor'
+import DataView from '@/components/DataView'
+import RunResult from '@/components/RunResult'
 import { nextTick, computed } from 'vue'
 
 import events from '@/lib/utils/events'

src/components/ValueViewer.vue

@@ -1,48 +1,56 @@
 <template>
   <div class="value-viewer">
-    <div class="value-viewer-toolbar">
-      <button
-        v-for="format in formats"
-        :key="format.value"
-        type="button"
-        :aria-selected="currentFormat === format.value"
-        :class="format.value"
-        @click="currentFormat = format.value"
-      >
-        {{ format.text }}
-      </button>
+    <template v-if="!empty">
+      <div class="value-viewer-toolbar">
+        <button
+          v-for="format in formats"
+          :key="format.value"
+          type="button"
+          :aria-selected="currentFormat === format.value"
+          :class="format.value"
+          @click="currentFormat = format.value"
+        >
+          {{ format.text }}
+        </button>
 
-      <button type="button" class="copy" @click="copyToClipboard">Copy</button>
-      <button
-        type="button"
-        class="line-wrap"
-        :aria-selected="lineWrapping === true"
-        @click="lineWrapping = !lineWrapping"
-      >
-        Line wrap
-      </button>
-    </div>
-    <div class="value-body">
-      <codemirror
-        v-if="currentFormat === 'json' && formattedJson"
-        :value="formattedJson"
-        :options="cmOptions"
-        class="json-value original-style"
-      />
-      <pre
-        v-if="currentFormat === 'text'"
-        :class="[
-          'text-value',
-          { 'meta-value': isNull || isBlob },
-          { 'line-wrap': lineWrapping }
-        ]"
-        >{{ cellText }}</pre
-      >
-      <logs
-        v-if="messages && messages.length > 0"
-        :messages="messages"
-        class="messages"
-      />
+        <button type="button" class="copy" @click="copyToClipboard">
+          Copy
+        </button>
+        <button
+          type="button"
+          class="line-wrap"
+          :aria-selected="lineWrapping === true"
+          @click="lineWrapping = !lineWrapping"
+        >
+          Line wrap
+        </button>
+      </div>
+      <div class="value-body">
+        <codemirror
+          v-if="currentFormat === 'json' && formattedJson"
+          :value="formattedJson"
+          :options="cmOptions"
+          class="json-value original-style"
+        />
+        <pre
+          v-if="currentFormat === 'text'"
+          :class="[
+            'text-value',
+            { 'meta-value': isNull || isBlob },
+            { 'line-wrap': lineWrapping }
+          ]"
+          >{{ cellText }}</pre
+        >
+        <logs
+          v-if="messages && messages.length > 0"
+          :messages="messages"
+          class="messages"
+        />
+      </div>
+    </template>
+
+    <div v-show="empty" class="empty-message">
+      {{ emptyMessage }}
     </div>
   </div>
 </template>
@@ -57,15 +65,22 @@ import 'codemirror/addon/fold/foldgutter.css'
 import 'codemirror/addon/fold/brace-fold.js'
 import 'codemirror/theme/neo.css'
 import cIo from '@/lib/utils/clipboardIo'
-import Logs from '@/components/Logs'
+import Logs from '@/components/Common/Logs'
 
 export default {
+  name: 'ValueViewer',
   components: {
     Codemirror,
     Logs
   },
   props: {
-    cellValue: [String, Number, Uint8Array]
+    value: [String, Number, Uint8Array],
+    empty: Boolean,
+    emptyMessage: String,
+    defaultFormat: {
+      type: String,
+      default: 'text'
+    }
   },
   data() {
     return {
@@ -73,7 +88,7 @@ export default {
         { text: 'Text', value: 'text' },
         { text: 'JSON', value: 'json' }
       ],
-      currentFormat: 'text',
+      currentFormat: this.defaultFormat,
       lineWrapping: false,
       formattedJson: '',
       messages: []
@@ -94,13 +109,13 @@ export default {
       }
     },
     isBlob() {
-      return this.cellValue && ArrayBuffer.isView(this.cellValue)
+      return this.value && ArrayBuffer.isView(this.value)
     },
     isNull() {
-      return this.cellValue === null
+      return this.value === null
     },
     cellText() {
-      const value = this.cellValue
+      const value = this.value
       if (this.isNull) {
         return 'NULL'
       }
@@ -111,17 +126,23 @@ export default {
     }
   },
   watch: {
-    currentFormat() {
-      this.messages = []
-      this.formattedJson = ''
-      if (this.currentFormat === 'json') {
-        this.formatJson(this.cellValue)
+    currentFormat: {
+      immediate: true,
+      handler() {
+        this.messages = []
+        this.formattedJson = ''
+        if (this.currentFormat === 'json') {
+          this.formatJson(this.value)
+        }
       }
     },
-    cellValue() {
-      this.messages = []
-      if (this.currentFormat === 'json') {
-        this.formatJson(this.cellValue)
+    value: {
+      immediate: true,
+      handler() {
+        this.messages = []
+        if (this.currentFormat === 'json') {
+          this.formatJson(this.value)
+        }
       }
     }
   },
@@ -141,7 +162,7 @@ export default {
     },
     copyToClipboard() {
       cIo.copyText(
-        this.currentFormat === 'json' ? this.formattedJson : this.cellValue,
+        this.currentFormat === 'json' ? this.formattedJson : this.value,
         'The value is copied to clipboard.'
       )
     }
@@ -153,8 +174,10 @@ export default {
 .value-viewer {
   background-color: var(--color-white);
   height: 100%;
+  width: 100%;
   display: flex;
   flex-direction: column;
+  position: relative;
 }
 .value-viewer-toolbar {
   display: flex;
@@ -219,4 +242,14 @@ export default {
   width: 1px;
   background: var(--color-text-base);
 }
+
+.empty-message {
+  position: absolute;
+  top: 40%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  color: var(--color-text-base);
+  font-size: 13px;
+  text-align: center;
+}
 </style>

src/components/svg/graph.vue

@@ -7,27 +7,33 @@
     xmlns="http://www.w3.org/2000/svg"
   >
     <path
-      d="M5 4C5 5.10457 4.10457 6 3 6C1.89543 6 1 5.10457 1 4C1 2.89543 1.89543 2 3 2C4.10457 2 5 2.89543 5 4Z"
+      d="M5 4C5 5.10457 4.10457 6 3 6C1.89543 6 1 5.10457 1 4C1 2.89543 
+      1.89543 2 3 2C4.10457 2 5 2.89543 5 4Z"
       fill="#A2B1C6"
     />
     <path
-      d="M17 7.5C17 8.88071 15.8807 10 14.5 10C13.1193 10 12 8.88071 12 7.5C12 6.11929 13.1193 5 14.5 5C15.8807 5 17 6.11929 17 7.5Z"
+      d="M17 7.5C17 8.88071 15.8807 10 14.5 10C13.1193 10 12 8.88071 12 
+      7.5C12 6.11929 13.1193 5 14.5 5C15.8807 5 17 6.11929 17 7.5Z"
       fill="#A2B1C6"
     />
     <path
-      d="M8 13.5C8 14.8807 6.88071 16 5.5 16C4.11929 16 3 14.8807 3 13.5C3 12.1193 4.11929 11 5.5 11C6.88071 11 8 12.1193 8 13.5Z"
+      d="M8 13.5C8 14.8807 6.88071 16 5.5 16C4.11929 16 3 14.8807 3 13.5C3 
+      12.1193 4.11929 11 5.5 11C6.88071 11 8 12.1193 8 13.5Z"
       fill="#A2B1C6"
     />
     <path
-      d="M2.93128 5.31436L3.90527 5.08778L5.48693 11.8867L4.51294 12.1133L2.93128 5.31436Z"
+      d="M2.93128 5.31436L3.90527 5.08778L5.48693 11.8867L4.51294 
+      12.1133L2.93128 5.31436Z"
       fill="#A2B1C6"
     />
     <path
-      d="M12.9447 7.79159L13.5548 8.58392L7.30516 13.3962L6.69507 12.6038L12.9447 7.79159Z"
+      d="M12.9447 7.79159L13.5548 8.58392L7.30516 13.3962L6.69507 
+      12.6038L12.9447 7.79159Z"
       fill="#A2B1C6"
     />
     <path
-      d="M14.1316 6.51712L3.13166 3.51723L2.86844 4.48202L13.8684 7.48191L14.1316 6.51712Z"
+      d="M14.1316 6.51712L3.13166 3.51723L2.86844 4.48202L13.8684 
+      7.48191L14.1316 6.51712Z"
       fill="#A2B1C6"
     />
   </svg>

src/components/svg/pause.vue

@@ -0,0 +1,27 @@
+<template>
+  <svg
+    width="18"
+    height="18"
+    viewBox="0 0 18 18"
+    fill="none"
+    xmlns="http://www.w3.org/2000/svg"
+  >
+    <path
+      d="M3 4C3 3.44772 3.14924 3 3.33333 3H6.66667C6.85076 3 7 3.44772 7 
+      4V14C7 14.5523 6.85076 15 6.66667 15H3.33333C3.14924 15 3 14.5523 3 14V4Z"
+      fill="#A2B1C6"
+    />
+    <path
+      d="M11 4C11 3.44772 11.1492 3 11.3333 3H14.6667C14.8508 3 15 3.44772 15 
+      4V14C15 14.5523 14.8508 15 14.6667 15H11.3333C11.1492 15 11 14.5523 11 
+      14V4Z"
+      fill="#A2B1C6"
+    />
+  </svg>
+</template>
+
+<script>
+export default {
+  name: 'PauseIcon'
+}
+</script>

src/components/svg/restart.vue

@@ -0,0 +1,36 @@
+<template>
+  <svg
+    width="18"
+    height="18"
+    viewBox="0 0 18 18"
+    fill="none"
+    xmlns="http://www.w3.org/2000/svg"
+  >
+    <path
+      d="M7.34708 3.32922C8.63088 2.90468 10.017 2.90308 11.3022 
+      3.32434C11.9084 3.52308 12.4768 3.8114 12.9906 4.1759V3.34387C12.9906 
+      2.79159 13.4384 2.34387 13.9906 2.34387C14.5429 2.34387 14.9906 2.79159 
+      14.9906 3.34387V6.67102C14.9906 7.22331 14.5429 7.67102 13.9906 
+      7.67102H10.6635C10.1112 7.67102 9.66349 7.22331 9.66349 6.67102C9.66351 
+      6.11876 10.1112 5.67102 10.6635 5.67102H11.6313C11.3351 5.4851 11.0154 
+      5.33498 10.6791 5.22473C9.80069 4.93681 8.85289 4.93738 7.97501 
+      5.22766C7.09726 5.51795 6.33574 6.08228 5.80216 6.83704C5.26867 
+      7.59191 4.99088 8.49846 5.01017 9.42297C5.02954 10.3475 5.34482 
+      11.2417 5.90958 11.9738C6.47435 12.7058 7.25871 13.237 8.14787 
+      13.4904C9.03716 13.7437 9.9843 13.7055 10.85 13.381C11.7157 13.0565 
+      12.4548 12.463 12.9584 11.6876C13.2592 11.2244 13.879 11.0929 14.3422 
+      11.3937C14.805 11.6945 14.9366 12.3135 14.6361 12.7765C13.8996 13.9106 
+      12.8185 14.7794 11.5522 15.254C10.2859 15.7287 8.90058 15.7846 7.60001 
+      15.4142C6.2994 15.0437 5.15167 14.2661 4.3256 13.1954C3.49956 12.1247 
+      3.03849 10.8169 3.01017 9.46497C2.98191 8.1131 3.38782 6.7872 4.16837 
+      5.68274C4.94892 4.57842 6.06331 3.75379 7.34708 3.32922Z"
+      fill="#A2B1C6"
+    />
+  </svg>
+</template>
+
+<script>
+export default {
+  name: 'RestartIcon'
+}
+</script>

src/components/svg/stop.vue

@@ -1,20 +0,0 @@
-<template>
-  <svg
-    width="18"
-    height="18"
-    viewBox="0 0 18 18"
-    fill="none"
-    xmlns="http://www.w3.org/2000/svg"
-  >
-    <path
-      d="M3 4C3 3.44772 3.44772 3 4 3H14C14.5523 3 15 3.44772 15 4V14C15 14.5523 14.5523 15 14 15H4C3.44772 15 3 14.5523 3 14V4Z"
-      fill="#A2B1C6"
-    />
-  </svg>
-</template>
-
-<script>
-export default {
-  name: 'StopIcon'
-}
-</script>

src/lib/graphHelper.js

@@ -36,6 +36,13 @@ export function dataSourceIsValid(dataSources) {
   }
 }
 
+export function clearNodeCoordinates(graph) {
+  graph.forEachNode((nodeId, attributes) => {
+    attributes.x = undefined
+    attributes.y = undefined
+  })
+}
+
 export function buildNodes(graph, dataSources, options) {
   const docColumn = Object.keys(dataSources)[0]
   const { objectType, nodeId } = options.structure
@@ -127,6 +134,122 @@ export function updateEdges(graph, attributeUpdates) {
   })
 }
 
+export function reduceNodes(nodeId, nodeData, interactionState, settings) {
+  const {
+    selectedNodeId,
+    hoveredNodeId,
+    selectedEdgeId,
+    hoveredEdgeId,
+    neighborsOfSelectedNode,
+    neighborsOfHoveredNode,
+    selectedEdgeExtremities,
+    hoveredEdgeExtremities
+  } = interactionState
+
+  const res = { ...nodeData }
+
+  if (selectedNodeId || hoveredNodeId || hoveredEdgeId || selectedEdgeId) {
+    res.zIndex = 2
+    res.highlighted = nodeId === selectedNodeId || nodeId === hoveredNodeId
+    if (res.highlighted) {
+      res.labelColor = 'black'
+    }
+
+    const isInHoveredFamily =
+      nodeId === hoveredNodeId ||
+      neighborsOfHoveredNode?.has(nodeId) ||
+      hoveredEdgeExtremities.includes(nodeId)
+    const isInSelectedFamily =
+      nodeId === selectedNodeId ||
+      neighborsOfSelectedNode?.has(nodeId) ||
+      selectedEdgeExtremities.includes(nodeId)
+    if (isInSelectedFamily || isInHoveredFamily) {
+      res.forceLabel = true
+    } else {
+      res.color = getDiminishedColor(
+        nodeData.color,
+        settings.style.backgroundColor
+      )
+      res.label = ''
+      res.zIndex = 1
+    }
+  }
+
+  return res
+}
+
+export function reduceEdges(
+  edgeId,
+  edgeData,
+  interactionState,
+  settings,
+  graph
+) {
+  const {
+    selectedNodeId,
+    hoveredNodeId,
+    selectedEdgeId,
+    hoveredEdgeId,
+    neighborsOfSelectedNode,
+    neighborsOfHoveredNode
+  } = interactionState
+
+  const res = { ...edgeData }
+  if (hoveredEdgeId || selectedEdgeId || selectedNodeId || hoveredNodeId) {
+    const extremities = graph.extremities(edgeId)
+    res.zIndex = 2
+    const isHighlighted = hoveredEdgeId === edgeId || selectedEdgeId === edgeId
+
+    let isVisible
+    if (settings.style.highlightMode === 'node_alone') {
+      isVisible = isHighlighted
+    } else if (settings.style.highlightMode === 'node_and_neighbors') {
+      isVisible =
+        isHighlighted ||
+        (selectedNodeId && extremities.includes(selectedNodeId)) ||
+        (hoveredNodeId && extremities.includes(hoveredNodeId))
+    } else {
+      isVisible =
+        isHighlighted ||
+        (selectedNodeId &&
+          extremities.every(
+            n => n === selectedNodeId || neighborsOfSelectedNode.has(n)
+          )) ||
+        (hoveredNodeId &&
+          extremities.every(
+            n => n === hoveredNodeId || neighborsOfHoveredNode.has(n)
+          ))
+    }
+    if (isHighlighted) {
+      res.size = res.size * 2
+      res.forceLabel = true
+    } else if (!isVisible) {
+      res.color = getDiminishedColor(
+        edgeData.color,
+        settings.style.backgroundColor
+      )
+      res.zIndex = 1
+      res.label = ''
+    }
+  }
+  return res
+}
+
+export function getDiminishedColor(color, bgColor) {
+  const colorObj = tinycolor(color)
+  const colorOpacity = colorObj.getAlpha()
+  colorObj.setAlpha(0.25 * colorOpacity)
+
+  const fg = colorObj.toRgb()
+  const bg = tinycolor(bgColor).toRgb()
+
+  const r = Math.round(fg.r * fg.a + bg.r * (1 - fg.a))
+  const g = Math.round(fg.g * fg.a + bg.g * (1 - fg.a))
+  const b = Math.round(fg.b * fg.a + bg.b * (1 - fg.a))
+
+  return tinycolor({ r, g, b, a: 1 }).toHexString()
+}
+
 function getUpdateLabelMethod(labelSettings) {
   const { source, color } = labelSettings
   return attributes => {
@@ -161,9 +284,14 @@ function getUpdateSizeMethod(graph, sizeSettings) {
   }
 }
 
-function getDirectVariableColorUpdateMethod(source) {
-  return attributes =>
-    (attributes.color = tinycolor(attributes.data[source]).toHexString())
+function getDirectVariableColorUpdateMethod(source, opacity = 100) {
+  return attributes => {
+    const color = tinycolor(attributes.data[source])
+    const colorOpacity = color.getAlpha()
+    attributes.color = color
+      .setAlpha((opacity / 100) * colorOpacity)
+      .toHex8String()
+  }
 }
 
 function getUpdateNodeColorMethod(graph, colorSettings) {
@@ -175,10 +303,16 @@ function getUpdateNodeColorMethod(graph, colorSettings) {
     colorscale,
     colorscaleDirection,
     mode,
-    method
+    method,
+    opacity
   } = colorSettings
   if (type === 'constant') {
-    return attributes => (attributes.color = value)
+    const color = tinycolor(value)
+    const colorOpacity = color.getAlpha()
+    return attributes =>
+      (attributes.color = color
+        .setAlpha((opacity / 100) * colorOpacity)
+        .toHex8String())
   } else if (type === 'variable') {
     return sourceUsage === 'map_to'
       ? getColorMethod(
@@ -187,9 +321,10 @@ function getUpdateNodeColorMethod(graph, colorSettings) {
           (nodeId, attributes) => attributes.data[source],
           colorscale,
           colorscaleDirection,
-          getNodeValueScale
+          getNodeValueScale,
+          opacity
         )
-      : getDirectVariableColorUpdateMethod(source)
+      : getDirectVariableColorUpdateMethod(source, opacity)
   } else {
     return getColorMethod(
       graph,
@@ -197,7 +332,8 @@ function getUpdateNodeColorMethod(graph, colorSettings) {
       nodeId => graph[method](nodeId),
       colorscale,
       colorscaleDirection,
-      getNodeValueScale
+      getNodeValueScale,
+      opacity
     )
   }
 }
@@ -244,8 +380,10 @@ function getColorMethod(
   sourceGetter,
   selectedColorscale,
   colorscaleDirection,
-  valueScaleGetter
+  valueScaleGetter,
+  opacity = 100
 ) {
+  const opacityFactor = opacity / 100
   const valueScale = valueScaleGetter(graph, sourceGetter)
   let colorscale = selectedColorscale || DEFAULT_SCALE
   if (colorscaleDirection === 'reversed') {
@@ -261,7 +399,9 @@ function getColorMethod(
     )
     return (attributes, nodeId) => {
       const category = sourceGetter(nodeId, attributes)
-      attributes.color = colorMap[category]
+      attributes.color = tinycolor(colorMap[category])
+        .setAlpha(opacityFactor)
+        .toHex8String()
     }
   } else {
     const min = valueScale[0]
@@ -274,14 +414,18 @@ function getColorMethod(
       const value = sourceGetter(nodeId, attributes)
       const normalizedValue = (value - min) / (max - min)
       if (isNaN(normalizedValue)) {
-        attributes.color = '#000000'
+        attributes.color = tinycolor('#000000')
+          .setAlpha(opacityFactor)
+          .toHex8String()
         return
       }
       const exactMatch = normalizedColorscale.find(
         ([value]) => value === normalizedValue
       )
       if (exactMatch) {
-        attributes.color = tinycolor(exactMatch[1]).toHexString()
+        attributes.color = tinycolor(exactMatch[1])
+          .setAlpha(opacityFactor)
+          .toHex8String()
         return
       }
 
@@ -305,7 +449,9 @@ function getColorMethod(
         r: r0 + interpolationFactor * (r1 - r0),
         g: g0 + interpolationFactor * (g1 - g0),
         b: b0 + interpolationFactor * (b1 - b0)
-      }).toHexString()
+      })
+        .setAlpha(opacityFactor)
+        .toHex8String()
     }
   }
 }

src/lib/storedInquiries/_migrations.js

@@ -1,12 +1,33 @@
 export default {
   _migrate(installedVersion, inquiries) {
-    if (installedVersion === 1) {
-      inquiries.forEach(inquire => {
-        inquire.viewType = 'chart'
-        inquire.viewOptions = inquire.chart
-        delete inquire.chart
+    if (installedVersion < 2) {
+      inquiries.forEach(inquiry => {
+        inquiry.viewType = 'chart'
+        inquiry.viewOptions = inquiry.chart
+        delete inquiry.chart
       })
-      return inquiries
     }
+
+    if (installedVersion < 3) {
+      inquiries.forEach(inquiry => {
+        if (inquiry.viewType === 'graph') {
+          inquiry.viewOptions.style.nodes.color.opacity = 100
+          inquiry.viewOptions.style.highlightMode = 'node_and_neighbors'
+        }
+      })
+    }
+
+    if (installedVersion < 4) {
+      inquiries.forEach(inquiry => {
+        if (
+          inquiry.viewType === 'graph' &&
+          inquiry.viewOptions.layout.type === 'forceAtlas2'
+        ) {
+          inquiry.viewOptions.layout.options.initialAlgorithm = 'circular'
+        }
+      })
+    }
+
+    return inquiries
   }
 }

src/lib/storedInquiries/index.js

@@ -5,9 +5,10 @@ import migration from './_migrations'
 
 const migrate = migration._migrate
 const myInquiriesKey = 'myInquiries'
+const latestVersion = 4
 
 export default {
-  version: 2,
+  version: latestVersion,
   myInquiriesKey,
   getStoredInquiries() {
     let myInquiries = JSON.parse(localStorage.getItem(myInquiriesKey))
@@ -21,7 +22,13 @@ export default {
       return []
     }
 
-    return (myInquiries && myInquiries.inquiries) || []
+    if (myInquiries.version < latestVersion) {
+      myInquiries = migrate(myInquiries.version, myInquiries.inquiries)
+      this.updateStorage(myInquiries)
+      return myInquiries
+    }
+
+    return myInquiries.inquiries || []
   },
 
   duplicateInquiry(baseInquiry) {
@@ -63,6 +70,8 @@ export default {
       // Turn data into array if they are not
       inquiryList = !Array.isArray(inquiries) ? [inquiries] : inquiries
       inquiryList = migrate(1, inquiryList)
+    } else if (inquiries.version < latestVersion) {
+      inquiryList = migrate(inquiries.version, inquiries.inquiries)
     } else {
       inquiryList = inquiries.inquiries || []
     }
@@ -82,11 +91,11 @@ export default {
 
   importInquiries() {
     return fu.importFile().then(str => {
-      const inquires = this.deserialiseInquiries(str)
+      const inquiries = this.deserialiseInquiries(str)
 
-      events.send('inquiry.import', inquires.length)
+      events.send('inquiry.import', inquiries.length)
 
-      return inquires
+      return inquiries
     })
   },
   export(inquiryList, fileName) {
@@ -102,6 +111,8 @@ export default {
 
     if (!data.version) {
       return data.length > 0 ? migrate(1, data) : []
+    } else if (data.version < latestVersion) {
+      return migrate(data.version, data.inquiries)
     } else {
       return data.inquiries
     }

src/router.js

@@ -1,6 +1,6 @@
 import { createRouter, createWebHashHistory } from 'vue-router'
-import Workspace from '@/views/MainView/Workspace'
-import Inquiries from '@/views/MainView/Inquiries'
+import Workspace from '@/views/Workspace'
+import Inquiries from '@/views/Inquiries'
 import Welcome from '@/views/Welcome'
 import MainView from '@/views/MainView'
 import LoadView from '@/views/LoadView'

src/views/Inquiries.vue

@@ -184,14 +184,14 @@
 </template>
 
 <script>
-import RenameIcon from './svg/rename'
-import CopyIcon from './svg/copy'
+import RenameIcon from '@/components/svg/rename'
+import CopyIcon from '@/components/svg/copy'
 import ExportIcon from '@/components/svg/export'
-import DeleteIcon from './svg/delete'
+import DeleteIcon from '@/components/svg/delete'
 import CloseIcon from '@/components/svg/close'
-import TextField from '@/components/TextField'
-import CheckBox from '@/components/CheckBox'
-import LoadingIndicator from '@/components/LoadingIndicator'
+import TextField from '@/components/Common/TextField'
+import CheckBox from '@/components/Common/CheckBox'
+import LoadingIndicator from '@/components/Common/LoadingIndicator'
 import tooltipMixin from '@/tooltipMixin'
 import storedInquiries from '@/lib/storedInquiries'
 import eventBus from '@/lib/eventBus'

src/views/LoadView.vue

@@ -15,7 +15,7 @@
 <script>
 import fu from '@/lib/utils/fileIo'
 import database from '@/lib/database'
-import Logs from '@/components/Logs'
+import Logs from '@/components/Common/Logs'
 import events from '@/lib/utils/events'
 
 export default {

src/views/MainView.vue

@@ -10,7 +10,7 @@
 </template>
 
 <script>
-import MainMenu from './MainMenu'
+import MainMenu from '@/components/MainMenu'
 import '@/assets/styles/scrollbars.css'
 
 export default {

src/views/Workspace.vue

@@ -17,9 +17,9 @@
 </template>
 
 <script>
-import Splitpanes from '@/components/Splitpanes'
-import Schema from './Schema'
-import Tabs from './Tabs'
+import Splitpanes from '@/components/Common/Splitpanes'
+import Schema from '@/components/Schema'
+import Tabs from '@/components/Tabs'
 import events from '@/lib/utils/events'
 
 export default {

tests/components/Chart.spec.js

@@ -1,7 +1,7 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
 import { mount, flushPromises } from '@vue/test-utils'
-import Chart from '@/views/MainView/Workspace/Tabs/Tab/DataView/Chart/index.vue'
+import Chart from '@/components/Chart.vue'
 import chartHelper from '@/lib/chartHelper'
 import * as dereference from 'react-chart-editor/lib/lib/dereference'
 import fIo from '@/lib/utils/fileIo'
@@ -128,6 +128,8 @@ describe('Chart.vue', () => {
     expect(plot.scrollWidth).not.to.equal(initialPlotWidth)
     expect(plot.scrollHeight).not.to.equal(initialPlotHeight)
 
+    container.style.width = 'unset'
+    container.style.height = 'unset'
     wrapper.unmount()
   })
 

tests/components/Common/CheckBox.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import CheckBox from '@/components/CheckBox'
+import CheckBox from '@/components/Common/CheckBox'
 
 describe('CheckBox', () => {
   it('unchecked by default', () => {

tests/components/Common/LoadingIndicator.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import LoadingIndicator from '@/components/LoadingIndicator'
+import LoadingIndicator from '@/components/Common/LoadingIndicator'
 
 describe('LoadingIndicator.vue', () => {
   it('Calculates animation class', async () => {

tests/components/Common/Logs.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import Logs from '@/components/Logs'
+import Logs from '@/components/Common/Logs'
 import { nextTick } from 'vue'
 
 let place

tests/components/Common/Pager.spec.js

@@ -1,7 +1,7 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
 import { mount } from '@vue/test-utils'
-import Pager from '@/components/SqlTable/Pager'
+import Pager from '@/components/Common/Pager'
 
 describe('Pager.vue', () => {
   afterEach(() => {

tests/components/Common/Splitpanes/Splitpanes.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import Splitpanes from '@/components/Splitpanes'
+import Splitpanes from '@/components/Common/Splitpanes'
 import { nextTick } from 'vue'
 
 describe('Splitpanes.vue', () => {
@@ -49,6 +49,41 @@ describe('Splitpanes.vue', () => {
     ).to.equal('40%')
   })
 
+  it('renders correctly with hidden panels', async () => {
+    // mount the component
+    const wrapper = shallowMount(Splitpanes, {
+      attachTo: document.body,
+      slots: {
+        leftPane: '<div />',
+        rightPane: '<div />'
+      },
+      props: {
+        before: { size: 60, max: 100, hidden: true },
+        after: { size: 40, max: 100 },
+        horizontal: true
+      }
+    })
+
+    expect(wrapper.findAll('.splitpanes-pane')[0].isVisible()).to.equal(false)
+    expect(wrapper.find('.splitpanes-splitter').isVisible()).to.equal(false)
+    expect(
+      wrapper.findAll('.splitpanes-pane')[1].element.style.height
+    ).to.equal('100%')
+
+    await wrapper.setProps({
+      before: { size: 60, max: 100 },
+      after: { size: 40, max: 100, hidden: true }
+    })
+
+    expect(wrapper.findAll('.splitpanes-pane')[1].isVisible()).to.equal(false)
+    expect(wrapper.find('.splitpanes-splitter').isVisible()).to.equal(false)
+    expect(
+      wrapper.findAll('.splitpanes-pane')[0].element.style.height
+    ).to.equal('100%')
+
+    wrapper.unmount()
+  })
+
   it('toggles correctly - no maximized initially', async () => {
     // mount the component
     const wrapper = shallowMount(Splitpanes, {

tests/components/Common/Splitpanes/splitter.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
-import splitter from '@/components/Splitpanes/splitter'
+import splitter from '@/components/Common/Splitpanes/splitter'
 
 describe('splitter.js', () => {
   afterEach(() => {

tests/components/DataView.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { mount } from '@vue/test-utils'
-import DataView from '@/views/MainView/Workspace/Tabs/Tab/DataView/index.vue'
+import DataView from '@/components/DataView.vue'
 import sinon from 'sinon'
 import { nextTick } from 'vue'
 import cIo from '@/lib/utils/clipboardIo'
@@ -418,4 +418,52 @@ describe('DataView.vue', () => {
       wrapper.findComponent({ name: 'graph' }).props('initOptions')
     ).to.eql({ test_options: 'latest_graph_options' })
   })
+
+  it('switches visibility of node or edge in graph mode', async () => {
+    const wrapper = mount(DataView, {
+      global: {
+        mocks: { $store },
+        provide: {
+          tabLayout: { dataView: 'above' }
+        }
+      }
+    })
+
+    // viewNodeOrEdgeBtn is not disaplyed in chart mode
+    expect(
+      wrapper.findComponent({ ref: 'viewNodeOrEdgeBtn' }).exists()
+    ).to.equal(false)
+
+    // Switch to pivot
+    const pivotBtn = wrapper.findComponent({ ref: 'pivotBtn' })
+    await pivotBtn.trigger('click')
+
+    // viewNodeOrEdgeBtn is not disaplyed in pivot mode
+    expect(
+      wrapper.findComponent({ ref: 'viewNodeOrEdgeBtn' }).exists()
+    ).to.equal(false)
+
+    // Switch to graph
+    const graphBtn = wrapper.findComponent({ ref: 'graphBtn' })
+    await graphBtn.trigger('click')
+
+    // viewNodeOrEdgeBtn is disaplyed in graph mode
+    const viewNodeOrEdgeBtn = wrapper.findComponent({
+      ref: 'viewNodeOrEdgeBtn'
+    })
+    expect(viewNodeOrEdgeBtn.exists()).to.equal(true)
+
+    // by default node viewer is hidden
+    expect(wrapper.findComponent({ name: 'value-viewer' }).exists()).to.equal(
+      false
+    )
+
+    // Click to show node viewer
+    await viewNodeOrEdgeBtn.trigger('click')
+    expect(wrapper.findComponent({ name: 'value-viewer' }).exists()).to.equal(
+      true
+    )
+
+    wrapper.unmount()
+  })
 })

tests/components/Graph/Graph.spec.js

@@ -1,7 +1,8 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
 import { mount, flushPromises } from '@vue/test-utils'
-import Graph from '@/views/MainView/Workspace/Tabs/Tab/DataView/Graph/index.vue'
+import Graph from '@/components/Graph/index.vue'
+import { nextTick } from 'vue'
 
 function getPixels(canvas) {
   const context = canvas.getContext('webgl2')
@@ -163,6 +164,326 @@ describe('Graph.vue', () => {
     wrapper.unmount()
   })
 
+  it('the graph resizes when node viewer visibillity togglles', async () => {
+    const wrapper = mount(Graph, {
+      attachTo: document.body,
+      props: {
+        dataSources: {
+          doc: [
+            '{"object_type":0,"node_id":"Gryffindor"}',
+            '{"object_type":0,"node_id":"Hufflepuff"}'
+          ]
+        },
+        initOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            nodes: {
+              size: {
+                type: 'constant',
+                value: 10
+              },
+              color: {
+                type: 'constant',
+                value: '#1F77B4'
+              },
+              label: {
+                source: null,
+                color: '#444444'
+              }
+            },
+            edges: {
+              showDirection: true,
+              size: {
+                type: 'constant',
+                value: 2
+              },
+              color: {
+                type: 'constant',
+                value: '#a2b1c6'
+              },
+              label: {
+                source: null,
+                color: '#a2b1c6'
+              }
+            }
+          },
+          layout: {
+            type: 'circular',
+            options: null
+          }
+        },
+        showValueViewer: false
+      },
+      global: {
+        mocks: { $store },
+        provide: {
+          tabLayout: { dataView: 'above' }
+        }
+      }
+    })
+
+    const canvas = wrapper.find('canvas.sigma-nodes').wrapperElement
+    const initialCanvasWidth = canvas.scrollWidth
+
+    await wrapper.setProps({ showValueViewer: true })
+    await flushPromises()
+
+    expect(canvas.scrollWidth).not.to.equal(initialCanvasWidth)
+
+    await wrapper.setProps({ showValueViewer: false })
+    await flushPromises()
+
+    expect(canvas.scrollWidth).to.equal(initialCanvasWidth)
+
+    wrapper.unmount()
+  })
+
+  it('the graph resizes when the split pane resizes', async () => {
+    const wrapper = mount(Graph, {
+      attachTo: document.body,
+      props: {
+        dataSources: {
+          doc: [
+            '{"object_type":0,"node_id":"Gryffindor"}',
+            '{"object_type":0,"node_id":"Hufflepuff"}'
+          ]
+        },
+        initOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            nodes: {
+              size: {
+                type: 'constant',
+                value: 10
+              },
+              color: {
+                type: 'constant',
+                value: '#1F77B4'
+              },
+              label: {
+                source: null,
+                color: '#444444'
+              }
+            },
+            edges: {
+              showDirection: true,
+              size: {
+                type: 'constant',
+                value: 2
+              },
+              color: {
+                type: 'constant',
+                value: '#a2b1c6'
+              },
+              label: {
+                source: null,
+                color: '#a2b1c6'
+              }
+            }
+          },
+          layout: {
+            type: 'circular',
+            options: null
+          }
+        },
+        showValueViewer: true
+      },
+      global: {
+        mocks: { $store },
+        provide: {
+          tabLayout: { dataView: 'above' }
+        }
+      }
+    })
+
+    const container =
+      wrapper.find('.graph-container').wrapperElement.parentElement
+    const canvas = wrapper.find('canvas.sigma-nodes').wrapperElement
+
+    const initialContainerWidth = container.scrollWidth
+    const initialCanvasWidth = canvas.scrollWidth
+    await wrapper.find('.splitpanes-splitter').trigger('mousedown')
+    document.dispatchEvent(
+      new MouseEvent('mousemove', {
+        clientX: initialContainerWidth / 2,
+        clientY: 80
+      })
+    )
+    document.dispatchEvent(new MouseEvent('mouseup'))
+    await nextTick()
+    await nextTick()
+
+    await flushPromises()
+
+    expect(canvas.scrollWidth).not.to.equal(initialCanvasWidth)
+
+    wrapper.unmount()
+  })
+
+  it('opens and closes node viewer', async () => {
+    const wrapper = mount(Graph, {
+      props: {
+        dataSources: {
+          doc: [
+            '{"object_type":0,"node_id":"Gryffindor"}',
+            '{"object_type":0,"node_id":"Hufflepuff"}'
+          ]
+        },
+        initOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            nodes: {
+              size: {
+                type: 'constant',
+                value: 10
+              },
+              color: {
+                type: 'constant',
+                value: '#1F77B4'
+              },
+              label: {
+                source: null,
+                color: '#444444'
+              }
+            },
+            edges: {
+              showDirection: true,
+              size: {
+                type: 'constant',
+                value: 2
+              },
+              color: {
+                type: 'constant',
+                value: '#a2b1c6'
+              },
+              label: {
+                source: null,
+                color: '#a2b1c6'
+              }
+            }
+          },
+          layout: {
+            type: 'circular',
+            options: null
+          }
+        },
+        showValueViewer: false
+      },
+      global: {
+        mocks: { $store },
+        provide: {
+          tabLayout: { dataView: 'above' }
+        }
+      }
+    })
+
+    expect(wrapper.text()).not.contain('No node or edge selected to view')
+    await wrapper.setProps({ showValueViewer: true })
+    expect(wrapper.text()).contains('No node or edge selected to view')
+  })
+
+  it('passes selected item to node viewer', async () => {
+    const wrapper = mount(Graph, {
+      attachTo: document.body,
+      props: {
+        dataSources: {
+          doc: [
+            '{"object_type":0,"node_id":"Gryffindor"}',
+            '{"object_type":0,"node_id":"Hufflepuff"}'
+          ]
+        },
+        initOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            nodes: {
+              size: {
+                type: 'constant',
+                value: 10
+              },
+              color: {
+                type: 'constant',
+                value: '#1F77B4'
+              },
+              label: {
+                source: null,
+                color: '#444444'
+              }
+            },
+            edges: {
+              showDirection: true,
+              size: {
+                type: 'constant',
+                value: 2
+              },
+              color: {
+                type: 'constant',
+                value: '#a2b1c6'
+              },
+              label: {
+                source: null,
+                color: '#a2b1c6'
+              }
+            }
+          },
+          layout: {
+            type: 'circular',
+            options: null
+          }
+        },
+        showValueViewer: true
+      },
+      global: {
+        mocks: { $store },
+        provide: {
+          tabLayout: { dataView: 'above' }
+        }
+      }
+    })
+
+    expect(wrapper.find('.value-viewer .value-body').exists()).to.equal(false)
+    await wrapper
+      .findComponent({ ref: 'graphEditor' })
+      .vm.$emit('selectItem', { object_type: 0, node_id: 'Gryffindor' })
+
+    expect(wrapper.find('.value-viewer .value-body').text()).contains(
+      '"object_type": 0,'
+    )
+    expect(wrapper.find('.value-viewer .value-body').text()).contains(
+      '"node_id": "Gryffindor"'
+    )
+
+    await wrapper
+      .findComponent({ ref: 'graphEditor' })
+      .vm.$emit('clearSelection')
+    expect(wrapper.find('.value-viewer .value-body').exists()).to.equal(false)
+
+    wrapper.unmount()
+  })
+
   it('nodes and edges are rendered', async () => {
     const wrapper = mount(Graph, {
       attachTo: document.body,

tests/components/Graph/GraphEditor.spec.js

@@ -24,7 +24,8 @@ const defaultInitOptions = {
       },
       color: {
         type: 'constant',
-        value: '#1F77B4'
+        value: '#1F77B4',
+        opacity: 100
       },
       label: {
         source: null,
@@ -404,7 +405,7 @@ describe('GraphEditor', () => {
           doc: [
             '{"type": 0, "node_id": 1, "color": "#ff0000", "points": 5}',
             '{"type": 0, "node_id": 2, "color": "#abcdff", "points": 15}',
-            '{"type": 0, "node_id": 3, "color": "#123456", "points": 10}',
+            '{"type": 0, "node_id": 3, "color": "#12345680", "points": 10}',
             '{"type": 1, "source": 2, "target": 3}'
           ]
         },
@@ -440,11 +441,11 @@ describe('GraphEditor', () => {
     // Set constant color
     await wrapper
       .findAllComponents({ name: 'ColorPicker' })[1]
-      .vm.$emit('colorChange', '#ff00ff')
+      .vm.$emit('colorChange', '#ff00ff80')
 
-    expect(graph.export().nodes[0].attributes.color).to.equal('#ff00ff')
-    expect(graph.export().nodes[1].attributes.color).to.equal('#ff00ff')
-    expect(graph.export().nodes[2].attributes.color).to.equal('#ff00ff')
+    expect(graph.export().nodes[0].attributes.color).to.equal('#ff00ff80')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#ff00ff80')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#ff00ff80')
 
     // Switch to Variable
     const variable = wrapper.findAll('.test_node_color .radio-block__option')[1]
@@ -459,27 +460,27 @@ describe('GraphEditor', () => {
 
     await wrapper.findAll('.Select__menu .Select__option')[2].trigger('click')
 
-    expect(graph.export().nodes[0].attributes.color).to.equal('#fafa6e')
-    expect(graph.export().nodes[1].attributes.color).to.equal('#bdea75')
-    expect(graph.export().nodes[2].attributes.color).to.equal('#86d780')
+    expect(graph.export().nodes[0].attributes.color).to.equal('#fafa6eff')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#bdea75ff')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#86d780ff')
 
     // Select Direct mapping
     await wrapper
       .find('.test_node_color_mapping_mode .radio-block__option')
       .trigger('click')
 
-    expect(graph.export().nodes[0].attributes.color).to.equal('#ff0000')
-    expect(graph.export().nodes[1].attributes.color).to.equal('#abcdff')
-    expect(graph.export().nodes[2].attributes.color).to.equal('#123456')
+    expect(graph.export().nodes[0].attributes.color).to.equal('#ff0000ff')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#abcdffff')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#12345680')
 
     // Switch to Calculated
     const calculated = wrapper.findAll(
       '.test_node_color .radio-block__option'
     )[2]
     await calculated.trigger('click')
-    expect(graph.export().nodes[0].attributes.color).to.equal('#fafa6e')
-    expect(graph.export().nodes[1].attributes.color).to.equal('#2a4858')
-    expect(graph.export().nodes[2].attributes.color).to.equal('#2a4858')
+    expect(graph.export().nodes[0].attributes.color).to.equal('#fafa6eff')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#2a4858ff')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#2a4858ff')
     await nextTick()
 
     // Choose in-degree
@@ -491,45 +492,68 @@ describe('GraphEditor', () => {
 
     await wrapper.findAll('.Select__menu .Select__option')[1].trigger('click')
 
-    expect(graph.export().nodes[0].attributes.color).to.equal('#fafa6e')
-    expect(graph.export().nodes[1].attributes.color).to.equal('#fafa6e')
-    expect(graph.export().nodes[2].attributes.color).to.equal('#2a4858')
+    expect(graph.export().nodes[0].attributes.color).to.equal('#fafa6eff')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#fafa6eff')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#2a4858ff')
+    await nextTick()
+
+    // Set another opacity for calculated color
+    let opacityInput = wrapper.find(
+      '.test_node_opacity input.numeric-input__number'
+    )
+    await opacityInput.setValue(50)
+    opacityInput.wrapperElement.dispatchEvent(
+      new Event('blur', { bubbles: true })
+    )
+    expect(graph.export().nodes[0].attributes.color).to.equal('#fafa6e80')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#fafa6e80')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#2a485880')
     await nextTick()
 
     // Set Color as to Categorical
     await wrapper
       .findAll('.test_node_color_as .radio-block__option')[1]
       .trigger('click')
-    expect(graph.export().nodes[0].attributes.color).to.equal('#fafa6e')
-    expect(graph.export().nodes[1].attributes.color).to.equal('#fafa6e')
-    expect(graph.export().nodes[2].attributes.color).to.equal('#bdea75')
+    expect(graph.export().nodes[0].attributes.color).to.equal('#fafa6e80')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#fafa6e80')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#bdea7580')
     await nextTick()
 
     // Change colorscale direction
     await wrapper
       .findAll('.test_node_color_colorscale_direction .radio-block__option')[1]
       .trigger('click')
-    expect(graph.export().nodes[0].attributes.color).to.equal('#2a4858')
-    expect(graph.export().nodes[1].attributes.color).to.equal('#2a4858')
-    expect(graph.export().nodes[2].attributes.color).to.equal('#1f5f70')
+    expect(graph.export().nodes[0].attributes.color).to.equal('#2a485880')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#2a485880')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#1f5f7080')
     await nextTick()
 
     // Switch to Variable
     await variable.trigger('click')
 
     // The latest settings from variable mode are applied
-    expect(graph.export().nodes[0].attributes.color).to.equal('#ff0000')
-    expect(graph.export().nodes[1].attributes.color).to.equal('#abcdff')
-    expect(graph.export().nodes[2].attributes.color).to.equal('#123456')
+    expect(graph.export().nodes[0].attributes.color).to.equal('#ff0000ff')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#abcdffff')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#12345680')
 
     // Switch to Constant
     const constant = wrapper.findAll('.test_node_color .radio-block__option')[0]
     await constant.trigger('click')
 
     // The latest settings from constant mode are applied
-    expect(graph.export().nodes[0].attributes.color).to.equal('#ff00ff')
-    expect(graph.export().nodes[1].attributes.color).to.equal('#ff00ff')
-    expect(graph.export().nodes[2].attributes.color).to.equal('#ff00ff')
+    expect(graph.export().nodes[0].attributes.color).to.equal('#ff00ff80')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#ff00ff80')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#ff00ff80')
+
+    // Set another opacity for constant color
+    await opacityInput.setValue(50)
+    opacityInput.wrapperElement.dispatchEvent(
+      new Event('blur', { bubbles: true })
+    )
+    expect(graph.export().nodes[0].attributes.color).to.equal('#ff00ff40')
+    expect(graph.export().nodes[1].attributes.color).to.equal('#ff00ff40')
+    expect(graph.export().nodes[2].attributes.color).to.equal('#ff00ff40')
+    await nextTick()
 
     wrapper.unmount()
   })
@@ -840,26 +864,26 @@ describe('GraphEditor', () => {
       )
     await wrapper.findAll('.Select__menu .Select__option')[5].trigger('click')
 
-    expect(graph.export().edges[0].attributes.color).to.equal('#fafa6e')
-    expect(graph.export().edges[1].attributes.color).to.equal('#bdea75')
-    expect(graph.export().edges[2].attributes.color).to.equal('#86d780')
+    expect(graph.export().edges[0].attributes.color).to.equal('#fafa6eff')
+    expect(graph.export().edges[1].attributes.color).to.equal('#bdea75ff')
+    expect(graph.export().edges[2].attributes.color).to.equal('#86d780ff')
 
     // Set Color as to Continious
     await wrapper
       .findAll('.test_edge_color_as .radio-block__option')[0]
       .trigger('click')
-    expect(graph.export().edges[0].attributes.color).to.equal('#fafa6e')
-    expect(graph.export().edges[1].attributes.color).to.equal('#39b48d')
-    expect(graph.export().edges[2].attributes.color).to.equal('#2a4858')
+    expect(graph.export().edges[0].attributes.color).to.equal('#fafa6eff')
+    expect(graph.export().edges[1].attributes.color).to.equal('#39b48dff')
+    expect(graph.export().edges[2].attributes.color).to.equal('#2a4858ff')
     await nextTick()
 
     // Change colorscale direction
     await wrapper
       .findAll('.test_edge_color_colorscale_direction .radio-block__option')[1]
       .trigger('click')
-    expect(graph.export().edges[0].attributes.color).to.equal('#2a4858')
-    expect(graph.export().edges[1].attributes.color).to.equal('#139f8e')
-    expect(graph.export().edges[2].attributes.color).to.equal('#fafa6e')
+    expect(graph.export().edges[0].attributes.color).to.equal('#2a4858ff')
+    expect(graph.export().edges[1].attributes.color).to.equal('#139f8eff')
+    expect(graph.export().edges[2].attributes.color).to.equal('#fafa6eff')
     await nextTick()
 
     // Clear color source
@@ -883,9 +907,9 @@ describe('GraphEditor', () => {
       .find('.test_edge_color_mapping_mode .radio-block__option')
       .trigger('click')
 
-    expect(graph.export().edges[0].attributes.color).to.equal('#ff0000')
-    expect(graph.export().edges[1].attributes.color).to.equal('#abcdff')
-    expect(graph.export().edges[2].attributes.color).to.equal('#123456')
+    expect(graph.export().edges[0].attributes.color).to.equal('#ff0000ff')
+    expect(graph.export().edges[1].attributes.color).to.equal('#abcdffff')
+    expect(graph.export().edges[2].attributes.color).to.equal('#123456ff')
 
     // Switch to Constant
     const constant = wrapper.findAll('.test_edge_color .radio-block__option')[0]
@@ -1285,7 +1309,7 @@ describe('GraphEditor', () => {
 
     expect(startSpy.calledOnce).to.equal(true)
     await waitCondition(() => stopSpy.callCount === 1)
-    expect(wrapper.text()).to.contain('Start')
+    expect(wrapper.text()).to.contain('Continue')
 
     const coordinates = graph
       .export()
@@ -1325,6 +1349,7 @@ describe('GraphEditor', () => {
           layout: {
             type: 'forceAtlas2',
             options: {
+              initialAlgorithm: 'circular',
               initialIterationsAmount: 55,
               gravity: 1.5,
               scalingRatio: 1.2,
@@ -1359,7 +1384,7 @@ describe('GraphEditor', () => {
 
     expect(startSpy.calledOnce).to.equal(true)
     await waitCondition(() => stopSpy.callCount === 1)
-    expect(wrapper.text()).to.contain('Start')
+    expect(wrapper.text()).to.contain('Continue')
 
     const initialCoordinates = graph
       .export()
@@ -1373,7 +1398,7 @@ describe('GraphEditor', () => {
       new Event('blur', { bubbles: true })
     )
     // Call nextTick after setting number input,
-    // otherwise the value will be changed beck to initial for some reason
+    // otherwise the value will be changed back to initial for some reason
     await nextTick()
 
     expect(wrapper.vm.settings.layout.options.gravity).to.equal(12)
@@ -1381,6 +1406,30 @@ describe('GraphEditor', () => {
     // Algorithm wasn't called
     expect(startSpy.calledOnce).to.equal(true)
 
+    // Change initial algorithm
+    await wrapper
+      .find(
+        '.test_fa2_initial_layout_algorithm_select .dropdown-container .Select__indicator'
+      )
+      .wrapperElement.dispatchEvent(
+        new MouseEvent('mousedown', { bubbles: true })
+      )
+
+    await wrapper.findAll('.Select__menu .Select__option')[1].trigger('click')
+    await nextTick()
+    expect(wrapper.vm.settings.layout.options.initialAlgorithm).to.equal(
+      'random'
+    )
+
+    // Change seed value
+    const seedValueInput = wrapper.find('.test_seed_value input')
+    await seedValueInput.setValue(123)
+    seedValueInput.wrapperElement.dispatchEvent(
+      new Event('blur', { bubbles: true })
+    )
+    await nextTick()
+    expect(wrapper.vm.settings.layout.options.seedValue).to.equal(123)
+
     // Change scaling ratio
     const scalingInput = wrapper.find('.test_fa2_scaling input')
     await scalingInput.setValue(2)
@@ -1469,13 +1518,13 @@ describe('GraphEditor', () => {
       false
     )
 
-    // Click Start
+    // Click Continue
     const toggleButton = wrapper.find('button.test_fa2_toggle')
     await toggleButton.trigger('click')
-    expect(toggleButton.text()).to.contain('Stop')
+    expect(toggleButton.text()).to.contain('Pause')
     expect(startSpy.callCount).to.equal(2)
 
-    // Wait a bit and click Stop
+    // Wait a bit and click Pause
     await time.sleep(500)
     await toggleButton.trigger('click')
     expect(stopSpy.callCount).to.equal(2)
@@ -1489,9 +1538,479 @@ describe('GraphEditor', () => {
 
     // Click Reset
     await wrapper.find('button.test_fa2_reset').trigger('click')
-    expect(toggleButton.text()).to.contain('Start')
+    expect(toggleButton.text()).to.contain('Continue')
     expect(startSpy.callCount).to.equal(2)
     expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'circular',
+      initialIterationsAmount: 55,
+      gravity: 1.5,
+      scalingRatio: 1.2,
+      adjustSizes: true,
+      barnesHutOptimize: true,
+      barnesHutTheta: 0.5,
+      strongGravityMode: false,
+      linLogMode: true,
+      outboundAttractionDistribution: false,
+      slowDown: 1,
+      weightSource: 'wgt',
+      edgeWeightInfluence: 0.5
+    })
+
+    wrapper.unmount()
+  })
+
+  it('FA2: restarts and applies selected initial layout', async () => {
+    const stopSpy = sinon.spy(FA2Layout.prototype, 'stop')
+    const startSpy = sinon.spy(FA2Layout.prototype, 'start')
+    const wrapper = mount(GraphEditor, {
+      attachTo: document.body,
+      props: {
+        dataSources: {
+          doc: [
+            '{"type": 0, "node_id": 1, "size": 20}',
+            '{"type": 0, "node_id": 2, "size": 2}',
+            '{"type": 0, "node_id": 3, "size": 2}',
+            '{"type": 0, "node_id": 4, "size": 2}',
+            '{"type": 1, "source": 1, "target": 3, "wgt": 20}',
+            '{"type": 1, "source": 1, "target": 2, "wgt": 15}',
+            '{"type": 1, "source": 1, "target": 4, "wgt": 5}'
+          ]
+        },
+        initOptions: {
+          ...defaultInitOptions,
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          layout: {
+            type: 'forceAtlas2',
+            options: {
+              initialAlgorithm: 'circular',
+              initialIterationsAmount: 55,
+              gravity: 1.5,
+              scalingRatio: 1.2,
+              adjustSizes: true,
+              barnesHutOptimize: true,
+              barnesHutTheta: 0.5,
+              strongGravityMode: false,
+              linLogMode: true,
+              outboundAttractionDistribution: false,
+              slowDown: 1,
+              weightSource: 'wgt',
+              edgeWeightInfluence: 0.5
+            }
+          }
+        },
+        showViewSettings: true
+      },
+      global: {
+        provide: {
+          tabLayout: { dataView: 'above' }
+        }
+      }
+    })
+
+    const graph = wrapper.vm.graph
+
+    const styleMenuItem = wrapper.findAll('.sidebar__group__title')[1]
+    await styleMenuItem.trigger('click')
+
+    const layoutMenuItem = wrapper.findAll('.sidebar__item')[4]
+    await layoutMenuItem.trigger('click')
+
+    expect(startSpy.calledOnce).to.equal(true)
+    await waitCondition(() => stopSpy.callCount === 1)
+
+    const initialCoordinates = graph
+      .export()
+      .nodes.map(node => `x:${node.attributes.x},y:${node.attributes.y}`)
+      .join()
+
+    // Change initial algorithm to Random
+    await wrapper
+      .find(
+        '.test_fa2_initial_layout_algorithm_select .dropdown-container .Select__indicator'
+      )
+      .wrapperElement.dispatchEvent(
+        new MouseEvent('mousedown', { bubbles: true })
+      )
+
+    await wrapper.findAll('.Select__menu .Select__option')[1].trigger('click')
+    await nextTick()
+
+    // Click Restart
+    const restartButton = wrapper.find('button.test_fa2_restart')
+    await restartButton.trigger('click')
+    const toggleButton = wrapper.find('button.test_fa2_toggle')
+    expect(toggleButton.text()).to.contain('Pause')
+    expect(startSpy.callCount).to.equal(2)
+
+    // Wait until restarting finished
+    await waitCondition(() => stopSpy.callCount === 2)
+
+    const randomCoordinates1 = graph
+      .export()
+      .nodes.map(node => `x:${node.attributes.x},y:${node.attributes.y}`)
+      .join()
+
+    // Change seed value to 123
+    let seedValueInput = wrapper.find('.test_seed_value input')
+    await seedValueInput.setValue(123)
+    seedValueInput.wrapperElement.dispatchEvent(
+      new Event('blur', { bubbles: true })
+    )
+    await nextTick()
+
+    // Click Restart
+    await restartButton.trigger('click')
+    expect(toggleButton.text()).to.contain('Pause')
+    expect(startSpy.callCount).to.equal(3)
+
+    // Wait until restarting finished
+    await waitCondition(() => stopSpy.callCount === 3)
+
+    const randomCoordinates2 = graph
+      .export()
+      .nodes.map(node => `x:${node.attributes.x},y:${node.attributes.y}`)
+      .join()
+
+    // Change seed value back to 1
+    await seedValueInput.setValue(1)
+    seedValueInput.wrapperElement.dispatchEvent(
+      new Event('blur', { bubbles: true })
+    )
+    await nextTick()
+
+    // Click Restart
+    await restartButton.trigger('click')
+
+    // Wait until restarting finished
+    await waitCondition(() => stopSpy.callCount === 4)
+
+    const randomCoordinates1After = graph
+      .export()
+      .nodes.map(node => `x:${node.attributes.x},y:${node.attributes.y}`)
+      .join()
+
+    // Change initial algorithm to CirclePack
+    await wrapper
+      .find(
+        '.test_fa2_initial_layout_algorithm_select .dropdown-container .Select__indicator'
+      )
+      .wrapperElement.dispatchEvent(
+        new MouseEvent('mousedown', { bubbles: true })
+      )
+
+    await wrapper.findAll('.Select__menu .Select__option')[2].trigger('click')
+    await nextTick()
+
+    // Change seed value to 456
+    seedValueInput = wrapper.find('.test_seed_value input')
+    await seedValueInput.setValue(456)
+    seedValueInput.wrapperElement.dispatchEvent(
+      new Event('blur', { bubbles: true })
+    )
+    await nextTick()
+
+    // Set another hierarchy
+    const hierarchyInput = wrapper.find(
+      '.multiselect.sqliteviz-select .multiselect__select'
+    )
+    await hierarchyInput.trigger('mousedown')
+    await wrapper
+      .find('ul.multiselect__content')
+      .findAll('li')[2]
+      .find('span')
+      .trigger('click')
+    await nextTick()
+
+    // Click Restart
+    await restartButton.trigger('click')
+    // Wait until restarting finished
+    await waitCondition(() => stopSpy.callCount === 5)
+
+    const circlePackCoordinates = graph
+      .export()
+      .nodes.map(node => `x:${node.attributes.x},y:${node.attributes.y}`)
+      .join()
+
+    expect(initialCoordinates).not.to.equal(randomCoordinates1)
+    expect(randomCoordinates1).not.to.equal(randomCoordinates2)
+    expect(randomCoordinates1).to.equal(randomCoordinates1After)
+    expect(circlePackCoordinates).not.to.equal(randomCoordinates1After)
+    expect(circlePackCoordinates).not.to.equal(initialCoordinates)
+
+    wrapper.unmount()
+  })
+
+  it('FA2: restore previously set parameters for initial layout', async () => {
+    const wrapper = mount(GraphEditor, {
+      attachTo: document.body,
+      props: {
+        dataSources: {
+          doc: [
+            '{"type": 0, "node_id": 1}',
+            '{"type": 0, "node_id": 2}',
+            '{"type": 1, "source": 1, "target": 2, "wgt": 15}'
+          ]
+        },
+        initOptions: {
+          ...defaultInitOptions,
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          layout: {
+            type: 'forceAtlas2',
+            options: {
+              initialAlgorithm: 'circular',
+              initialIterationsAmount: 55,
+              gravity: 1.5,
+              scalingRatio: 1.2,
+              adjustSizes: true,
+              barnesHutOptimize: true,
+              barnesHutTheta: 0.5,
+              strongGravityMode: false,
+              linLogMode: true,
+              outboundAttractionDistribution: false,
+              slowDown: 1,
+              weightSource: 'wgt',
+              edgeWeightInfluence: 0.5
+            }
+          }
+        },
+        showViewSettings: true
+      },
+      global: {
+        provide: {
+          tabLayout: { dataView: 'above' }
+        }
+      }
+    })
+
+    const styleMenuItem = wrapper.findAll('.sidebar__group__title')[1]
+    await styleMenuItem.trigger('click')
+
+    const layoutMenuItem = wrapper.findAll('.sidebar__item')[4]
+    await layoutMenuItem.trigger('click')
+
+    // Change initial algorithm to Random
+    await wrapper
+      .find(
+        '.test_fa2_initial_layout_algorithm_select .dropdown-container .Select__indicator'
+      )
+      .wrapperElement.dispatchEvent(
+        new MouseEvent('mousedown', { bubbles: true })
+      )
+
+    await wrapper.findAll('.Select__menu .Select__option')[1].trigger('click')
+    await nextTick()
+
+    expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'random',
+      seedValue: 1,
+      initialIterationsAmount: 55,
+      gravity: 1.5,
+      scalingRatio: 1.2,
+      adjustSizes: true,
+      barnesHutOptimize: true,
+      barnesHutTheta: 0.5,
+      strongGravityMode: false,
+      linLogMode: true,
+      outboundAttractionDistribution: false,
+      slowDown: 1,
+      weightSource: 'wgt',
+      edgeWeightInfluence: 0.5
+    })
+
+    // Change seed value to 123
+    let seedValueInput = wrapper.find('.test_seed_value input')
+    await seedValueInput.setValue(123)
+    seedValueInput.wrapperElement.dispatchEvent(
+      new Event('blur', { bubbles: true })
+    )
+    await nextTick()
+
+    expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'random',
+      seedValue: 123,
+      initialIterationsAmount: 55,
+      gravity: 1.5,
+      scalingRatio: 1.2,
+      adjustSizes: true,
+      barnesHutOptimize: true,
+      barnesHutTheta: 0.5,
+      strongGravityMode: false,
+      linLogMode: true,
+      outboundAttractionDistribution: false,
+      slowDown: 1,
+      weightSource: 'wgt',
+      edgeWeightInfluence: 0.5
+    })
+
+    // Change initial algorithm to CirclePack
+    await wrapper
+      .find(
+        '.test_fa2_initial_layout_algorithm_select .dropdown-container .Select__indicator'
+      )
+      .wrapperElement.dispatchEvent(
+        new MouseEvent('mousedown', { bubbles: true })
+      )
+
+    await wrapper.findAll('.Select__menu .Select__option')[2].trigger('click')
+    await nextTick()
+
+    expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'circlepack',
+      seedValue: 1,
+      hierarchyAttributes: [],
+      initialIterationsAmount: 55,
+      gravity: 1.5,
+      scalingRatio: 1.2,
+      adjustSizes: true,
+      barnesHutOptimize: true,
+      barnesHutTheta: 0.5,
+      strongGravityMode: false,
+      linLogMode: true,
+      outboundAttractionDistribution: false,
+      slowDown: 1,
+      weightSource: 'wgt',
+      edgeWeightInfluence: 0.5
+    })
+
+    // Change seed value to 456
+    seedValueInput = wrapper.find('.test_seed_value input')
+    await seedValueInput.setValue(456)
+    seedValueInput.wrapperElement.dispatchEvent(
+      new Event('blur', { bubbles: true })
+    )
+    await nextTick()
+
+    expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'circlepack',
+      seedValue: 456,
+      hierarchyAttributes: [],
+      initialIterationsAmount: 55,
+      gravity: 1.5,
+      scalingRatio: 1.2,
+      adjustSizes: true,
+      barnesHutOptimize: true,
+      barnesHutTheta: 0.5,
+      strongGravityMode: false,
+      linLogMode: true,
+      outboundAttractionDistribution: false,
+      slowDown: 1,
+      weightSource: 'wgt',
+      edgeWeightInfluence: 0.5
+    })
+
+    // Set another hierarchy
+    const hierarchyInput = wrapper.find(
+      '.multiselect.sqliteviz-select .multiselect__select'
+    )
+    await hierarchyInput.trigger('mousedown')
+    await wrapper
+      .find('ul.multiselect__content')
+      .findAll('li')[1]
+      .find('span')
+      .trigger('click')
+    await nextTick()
+
+    expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'circlepack',
+      seedValue: 456,
+      hierarchyAttributes: ['node_id'],
+      initialIterationsAmount: 55,
+      gravity: 1.5,
+      scalingRatio: 1.2,
+      adjustSizes: true,
+      barnesHutOptimize: true,
+      barnesHutTheta: 0.5,
+      strongGravityMode: false,
+      linLogMode: true,
+      outboundAttractionDistribution: false,
+      slowDown: 1,
+      weightSource: 'wgt',
+      edgeWeightInfluence: 0.5
+    })
+
+    // Change initial algorithm to Random
+    await wrapper
+      .find(
+        '.test_fa2_initial_layout_algorithm_select .dropdown-container .Select__indicator'
+      )
+      .wrapperElement.dispatchEvent(
+        new MouseEvent('mousedown', { bubbles: true })
+      )
+
+    await wrapper.findAll('.Select__menu .Select__option')[1].trigger('click')
+    await nextTick()
+
+    expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'random',
+      seedValue: 123,
+      initialIterationsAmount: 55,
+      gravity: 1.5,
+      scalingRatio: 1.2,
+      adjustSizes: true,
+      barnesHutOptimize: true,
+      barnesHutTheta: 0.5,
+      strongGravityMode: false,
+      linLogMode: true,
+      outboundAttractionDistribution: false,
+      slowDown: 1,
+      weightSource: 'wgt',
+      edgeWeightInfluence: 0.5
+    })
+
+    // Change initial algorithm to Circular
+    await wrapper
+      .find(
+        '.test_fa2_initial_layout_algorithm_select .dropdown-container .Select__indicator'
+      )
+      .wrapperElement.dispatchEvent(
+        new MouseEvent('mousedown', { bubbles: true })
+      )
+
+    await wrapper.findAll('.Select__menu .Select__option')[0].trigger('click')
+    await nextTick()
+
+    expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'circular',
+      initialIterationsAmount: 55,
+      gravity: 1.5,
+      scalingRatio: 1.2,
+      adjustSizes: true,
+      barnesHutOptimize: true,
+      barnesHutTheta: 0.5,
+      strongGravityMode: false,
+      linLogMode: true,
+      outboundAttractionDistribution: false,
+      slowDown: 1,
+      weightSource: 'wgt',
+      edgeWeightInfluence: 0.5
+    })
+
+    // Change initial algorithm to CirclePack
+    await wrapper
+      .find(
+        '.test_fa2_initial_layout_algorithm_select .dropdown-container .Select__indicator'
+      )
+      .wrapperElement.dispatchEvent(
+        new MouseEvent('mousedown', { bubbles: true })
+      )
+
+    await wrapper.findAll('.Select__menu .Select__option')[2].trigger('click')
+    await nextTick()
+
+    expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'circlepack',
+      seedValue: 456,
+      hierarchyAttributes: ['node_id'],
       initialIterationsAmount: 55,
       gravity: 1.5,
       scalingRatio: 1.2,
@@ -1579,6 +2098,26 @@ describe('GraphEditor', () => {
     )
     await nextTick()
 
+    // Change initial algorithm
+    await wrapper
+      .find(
+        '.test_fa2_initial_layout_algorithm_select .dropdown-container .Select__indicator'
+      )
+      .wrapperElement.dispatchEvent(
+        new MouseEvent('mousedown', { bubbles: true })
+      )
+
+    await wrapper.findAll('.Select__menu .Select__option')[1].trigger('click')
+    await nextTick()
+
+    // Change seed value
+    const seedValueInput = wrapper.find('.test_seed_value input')
+    await seedValueInput.setValue(123)
+    seedValueInput.wrapperElement.dispatchEvent(
+      new Event('blur', { bubbles: true })
+    )
+    await nextTick()
+
     // Change scaling ratio
     const scalingInput = wrapper.find('.test_fa2_scaling input')
     await scalingInput.setValue(2)
@@ -1647,6 +2186,8 @@ describe('GraphEditor', () => {
     await nextTick()
 
     expect(wrapper.vm.settings.layout.options).to.eql({
+      initialAlgorithm: 'random',
+      seedValue: 123,
       initialIterationsAmount: 120,
       gravity: 12,
       scalingRatio: 2,
@@ -1732,6 +2273,7 @@ describe('GraphEditor', () => {
           layout: {
             type: 'forceAtlas2',
             options: {
+              initialAlgorithm: 'circular',
               initialIterationsAmount: 50,
               gravity: 1.5,
               scalingRatio: 1.2,
@@ -1764,7 +2306,7 @@ describe('GraphEditor', () => {
     expect(startSpy.calledOnce).to.equal(true)
     await waitCondition(() => stopSpy.callCount === 1)
 
-    // Click Start
+    // Click Continue
     const toggleButton = wrapper.find('button.test_fa2_toggle')
     await toggleButton.trigger('click')
     expect(startSpy.callCount).to.equal(2)
@@ -1860,7 +2402,7 @@ describe('GraphEditor', () => {
 
     expect(startSpy.calledOnce).to.equal(true)
     await waitCondition(() => stopSpy.callCount === 1)
-    expect(wrapper.text()).to.contain('Start')
+    expect(wrapper.text()).to.contain('Continue')
 
     const coordinates = graph
       .export()

tests/components/MainMenu.spec.js

@@ -2,7 +2,7 @@ import { expect } from 'chai'
 import sinon from 'sinon'
 import { mount, shallowMount } from '@vue/test-utils'
 import { createStore } from 'vuex'
-import MainMenu from '@/views/MainView/MainMenu'
+import MainMenu from '@/components/MainMenu'
 import storedInquiries from '@/lib/storedInquiries'
 import { nextTick } from 'vue'
 import eventBus from '@/lib/eventBus'

tests/components/Pivot/Pivot.spec.js

@@ -1,11 +1,11 @@
 import { expect } from 'chai'
 import { mount, flushPromises } from '@vue/test-utils'
-import Pivot from '@/views/MainView/Workspace/Tabs/Tab/DataView/Pivot/index.vue'
+import Pivot from '@/components/Pivot/index.vue'
 import chartHelper from '@/lib/chartHelper'
 import fIo from '@/lib/utils/fileIo'
 import $ from 'jquery'
 import sinon from 'sinon'
-import pivotHelper from '@/views/MainView/Workspace/Tabs/Tab/DataView/Pivot/pivotHelper'
+import pivotHelper from '@/components/Pivot/pivotHelper'
 
 describe('Pivot.vue', () => {
   let container

tests/components/Pivot/PivotUi/PivotSortBtn.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import PivotSortBtn from '@/views/MainView/Workspace/Tabs/Tab/DataView/Pivot/PivotUi/PivotSortBtn'
+import PivotSortBtn from '@/components/Pivot/PivotUi/PivotSortBtn'
 
 describe('PivotSortBtn.vue', () => {
   it('switches order', async () => {

tests/components/Pivot/PivotUi/PivotUi.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { mount } from '@vue/test-utils'
-import PivotUi from '@/views/MainView/Workspace/Tabs/Tab/DataView/Pivot/PivotUi'
+import PivotUi from '@/components/Pivot/PivotUi'
 
 describe('PivotUi.vue', () => {
   it('returns value when settings changed', async () => {

tests/components/Pivot/pivotHelper.spec.js

@@ -3,7 +3,7 @@ import {
   _getDataSources,
   getPivotCanvas,
   getPivotHtml
-} from '@/views/MainView/Workspace/Tabs/Tab/DataView/Pivot/pivotHelper'
+} from '@/components/Pivot/pivotHelper'
 
 describe('pivotHelper.js', () => {
   it('_getDataSources returns data sources', () => {

tests/components/RunResult/Record.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { mount } from '@vue/test-utils'
-import Record from '@/views/MainView/Workspace/Tabs/Tab/RunResult/Record'
+import Record from '@/components/RunResult/Record'
 
 describe('Record.vue', () => {
   it('shows record with selected cell', async () => {

tests/components/RunResult/RunResult.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { mount } from '@vue/test-utils'
-import RunResult from '@/views/MainView/Workspace/Tabs/Tab/RunResult'
+import RunResult from '@/components/RunResult'
 import csv from '@/lib/csv'
 import sinon from 'sinon'
 import { nextTick } from 'vue'
@@ -18,7 +18,6 @@ describe('RunResult.vue', () => {
     sinon.spy(window, 'alert')
     const wrapper = mount(RunResult, {
       props: {
-        tab: { id: 1 },
         result: {
           columns: ['id', 'name'],
           values: {
@@ -54,7 +53,6 @@ describe('RunResult.vue', () => {
     const wrapper = mount(RunResult, {
       attachTo: document.body,
       props: {
-        tab: { id: 1 },
         result: {
           columns: ['id', 'name'],
           values: {
@@ -114,7 +112,6 @@ describe('RunResult.vue', () => {
     const wrapper = mount(RunResult, {
       attachTo: document.body,
       props: {
-        tab: { id: 1 },
         result: {
           columns: ['id', 'name'],
           values: {
@@ -154,7 +151,6 @@ describe('RunResult.vue', () => {
     const wrapper = mount(RunResult, {
       attachTo: document.body,
       props: {
-        tab: { id: 1 },
         result: {
           columns: ['id', 'name'],
           values: {
@@ -196,7 +192,6 @@ describe('RunResult.vue', () => {
   it('shows value of selected cell - result set', async () => {
     const wrapper = mount(RunResult, {
       props: {
-        tab: { id: 1 },
         result: {
           columns: ['id', 'name'],
           values: {
@@ -250,9 +245,9 @@ describe('RunResult.vue', () => {
 
     // Click on 'bar' cell again
     await rows[1].findAll('td')[1].trigger('click')
-    expect(
-      wrapper.find('.value-viewer-container .table-preview').text()
-    ).to.equals('No cell selected to view')
+    expect(wrapper.find('.value-viewer').text()).to.equals(
+      'No cell selected to view'
+    )
     wrapper.unmount()
   })
 
@@ -260,7 +255,6 @@ describe('RunResult.vue', () => {
     const wrapper = mount(RunResult, {
       attachTo: document.body,
       props: {
-        tab: { id: 1 },
         result: {
           columns: ['id', 'name'],
           values: {
@@ -323,9 +317,9 @@ describe('RunResult.vue', () => {
 
     // Click on 'foo' cell again
     await rows[1].find('td').trigger('click')
-    expect(
-      wrapper.find('.value-viewer-container .table-preview').text()
-    ).to.equals('No cell selected to view')
+    expect(wrapper.find('.value-viewer').text()).to.equals(
+      'No cell selected to view'
+    )
     wrapper.unmount()
   })
 
@@ -333,7 +327,6 @@ describe('RunResult.vue', () => {
     const wrapper = mount(RunResult, {
       attachTo: document.body,
       props: {
-        tab: { id: 1 },
         result: {
           columns: ['id', 'name'],
           values: {

tests/components/Schema/Schema.spec.js

@@ -4,8 +4,8 @@ import { mount } from '@vue/test-utils'
 import { createStore } from 'vuex'
 import actions from '@/store/actions'
 import mutations from '@/store/mutations'
-import Schema from '@/views/MainView/Workspace/Schema'
-import TableDescription from '@/views/MainView/Workspace/Schema/TableDescription'
+import Schema from '@/components/Schema'
+import TableDescription from '@/components/Schema/TableDescription'
 import database from '@/lib/database'
 import fIo from '@/lib/utils/fileIo'
 import csv from '@/lib/csv'

tests/components/Schema/TableDescription.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import TableDescription from '@/views/MainView/Workspace/Schema/TableDescription'
+import TableDescription from '@/components/Schema/TableDescription'
 
 describe('TableDescription.vue', () => {
   it('Initially the columns are hidden and table name is rendered', () => {

tests/components/SqlEditor/SqlEditor.spec.js

@@ -1,7 +1,7 @@
 import { expect } from 'chai'
 import { mount } from '@vue/test-utils'
 import { createStore } from 'vuex'
-import SqlEditor from '@/views/MainView/Workspace/Tabs/Tab/SqlEditor'
+import SqlEditor from '@/components/SqlEditor'
 import { nextTick } from 'vue'
 
 describe('SqlEditor.vue', () => {

tests/components/SqlEditor/hint.spec.js

@@ -1,9 +1,7 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
 import state from '@/store/state'
-import showHint, {
-  getHints
-} from '@/views/MainView/Workspace/Tabs/Tab/SqlEditor/hint'
+import showHint, { getHints } from '@/components/SqlEditor/hint'
 import CM from 'codemirror'
 
 describe('hint.js', () => {

tests/components/Tab.spec.js

@@ -3,7 +3,7 @@ import sinon from 'sinon'
 import { mount } from '@vue/test-utils'
 import mutations from '@/store/mutations'
 import { createStore } from 'vuex'
-import Tab from '@/views/MainView/Workspace/Tabs/Tab'
+import Tab from '@/components/Tab'
 import { nextTick } from 'vue'
 
 let place

tests/components/Tabs.spec.js

@@ -3,7 +3,7 @@ import sinon from 'sinon'
 import { shallowMount, mount } from '@vue/test-utils'
 import mutations from '@/store/mutations'
 import { createStore } from 'vuex'
-import Tabs from '@/views/MainView/Workspace/Tabs'
+import Tabs from '@/components/Tabs'
 import eventBus from '@/lib/eventBus'
 import { nextTick } from 'vue'
 import cIo from '@/lib/utils/clipboardIo'

tests/components/ValueViewer.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { mount } from '@vue/test-utils'
-import ValueViewer from '@/views/MainView/Workspace/Tabs/Tab/RunResult/ValueViewer.vue'
+import ValueViewer from '@/components/ValueViewer.vue'
 import sinon from 'sinon'
 
 describe('ValueViewer.vue', () => {
@@ -11,28 +11,45 @@ describe('ValueViewer.vue', () => {
   it('shows value in text mode', () => {
     const wrapper = mount(ValueViewer, {
       props: {
-        cellValue: 'foo'
+        value: 'foo'
       }
     })
 
     expect(wrapper.find('.value-body').text()).to.equals('foo')
+    expect(wrapper.find('button.text').attributes('aria-selected')).to.equal(
+      'true'
+    )
+  })
+
+  it('shows meta values', async () => {
+    const wrapper = mount(ValueViewer, {
+      props: {
+        value: new Uint8Array()
+      }
+    })
+
+    expect(wrapper.find('.value-body').text()).to.equals('BLOB')
+
+    await wrapper.setProps({ value: null })
+    expect(wrapper.find('.value-body').text()).to.equals('NULL')
   })
 
   it('shows error in json mode if the value is not json', async () => {
     const wrapper = mount(ValueViewer, {
       props: {
-        cellValue: 'foo'
+        value: 'foo',
+        defaultFormat: 'json'
       }
     })
-    await wrapper.find('button.json').trigger('click')
     expect(wrapper.find('.value-body').text()).to.equals("Can't parse JSON.")
+    expect(wrapper.find('button[aria-selected="true"]').text()).contains('JSON')
   })
 
   it('copy to clipboard', async () => {
     sinon.stub(window.navigator.clipboard, 'writeText').resolves()
     const wrapper = mount(ValueViewer, {
       props: {
-        cellValue: 'foo'
+        value: 'foo'
       }
     })
 
@@ -41,13 +58,20 @@ describe('ValueViewer.vue', () => {
     expect(window.navigator.clipboard.writeText.calledOnceWith('foo')).to.equal(
       true
     )
+
+    await wrapper.setProps({ value: '{"foo": "bar"}' })
+    await wrapper.find('button.json').trigger('click')
+    await wrapper.find('button.copy').trigger('click')
+    expect(window.navigator.clipboard.writeText.args[1][0]).to.equal(
+      '{\n    "foo": "bar"\n}'
+    )
   })
 
   it('wraps lines', async () => {
     const wrapper = mount(ValueViewer, {
       attachTo: document.body,
       props: {
-        cellValue: 'foo'
+        value: 'foo'
       }
     })
 
@@ -55,7 +79,7 @@ describe('ValueViewer.vue', () => {
     const valueBody = wrapper.find('.value-body').wrapperElement
     expect(valueBody.scrollWidth).to.equal(valueBody.clientWidth)
 
-    await wrapper.setProps({ cellValue: 'foo'.repeat(100) })
+    await wrapper.setProps({ value: 'foo'.repeat(100) })
     expect(valueBody.scrollWidth).not.to.equal(valueBody.clientWidth)
 
     await wrapper.find('button.line-wrap').trigger('click')
@@ -67,7 +91,7 @@ describe('ValueViewer.vue', () => {
     const wrapper = mount(ValueViewer, {
       attachTo: document.body,
       props: {
-        cellValue: '{"foo": "foofoofoofoofoofoofoofoofoofoo"}'
+        value: '{"foo": "foofoofoofoofoofoofoofoofoofoo"}'
       }
     })
 
@@ -83,4 +107,15 @@ describe('ValueViewer.vue', () => {
     expect(codeMirrorScroll.scrollWidth).to.equal(codeMirrorScroll.clientWidth)
     wrapper.unmount()
   })
+
+  it('shows empty message if empty is true', () => {
+    const wrapper = mount(ValueViewer, {
+      props: {
+        empty: true,
+        emptyMessage: 'I am empty'
+      }
+    })
+
+    expect(wrapper.find('.value-viewer').text()).to.equals('I am empty')
+  })
 })

tests/lib/storedInquiries/_migrations.spec.js

@@ -39,4 +39,262 @@ describe('_migrations.js', () => {
       }
     ])
   })
+
+  it('migrates from version 2 to the current', () => {
+    const oldInquiries = [
+      {
+        id: '123',
+        name: 'foo',
+        query: 'SELECT * FROM foo',
+        viewType: 'chart',
+        viewOptions: { here_are: 'foo chart settings' },
+        createdAt: '2021-05-06T11:05:50.877Z'
+      },
+      {
+        id: '456',
+        name: 'bar',
+        query: 'SELECT * FROM bar',
+        viewType: 'graph',
+        viewOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            nodes: {
+              size: { type: 'constant', value: 10 },
+              color: {
+                type: 'calculated',
+                method: 'degree',
+                colorscale: null,
+                mode: 'continious',
+                colorscaleDirection: 'reversed'
+              },
+              label: { source: 'label', color: '#444444' }
+            },
+            edges: {
+              showDirection: true,
+              size: { type: 'constant', value: 2 },
+              color: { type: 'constant', value: '#a2b1c6' },
+              label: { source: null, color: '#a2b1c6' }
+            }
+          },
+          layout: {
+            type: 'forceAtlas2',
+            options: {
+              initialIterationsAmount: 50,
+              adjustSizes: false,
+              barnesHutOptimize: false,
+              barnesHutTheta: 0.5,
+              edgeWeightInfluence: 0,
+              gravity: 1,
+              linLogMode: false,
+              outboundAttractionDistribution: false,
+              scalingRatio: 1,
+              slowDown: 1,
+              strongGravityMode: false
+            }
+          }
+        },
+        createdAt: '2021-05-07T11:05:50.877Z'
+      }
+    ]
+    expect(migrations._migrate(2, oldInquiries)).to.eql([
+      {
+        id: '123',
+        name: 'foo',
+        query: 'SELECT * FROM foo',
+        viewType: 'chart',
+        viewOptions: { here_are: 'foo chart settings' },
+        createdAt: '2021-05-06T11:05:50.877Z'
+      },
+      {
+        id: '456',
+        name: 'bar',
+        query: 'SELECT * FROM bar',
+        viewType: 'graph',
+        viewOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            highlightMode: 'node_and_neighbors',
+            nodes: {
+              size: { type: 'constant', value: 10 },
+              color: {
+                type: 'calculated',
+                method: 'degree',
+                colorscale: null,
+                mode: 'continious',
+                colorscaleDirection: 'reversed',
+                opacity: 100
+              },
+              label: { source: 'label', color: '#444444' }
+            },
+            edges: {
+              showDirection: true,
+              size: { type: 'constant', value: 2 },
+              color: { type: 'constant', value: '#a2b1c6' },
+              label: { source: null, color: '#a2b1c6' }
+            }
+          },
+          layout: {
+            type: 'forceAtlas2',
+            options: {
+              initialAlgorithm: 'circular',
+              initialIterationsAmount: 50,
+              adjustSizes: false,
+              barnesHutOptimize: false,
+              barnesHutTheta: 0.5,
+              edgeWeightInfluence: 0,
+              gravity: 1,
+              linLogMode: false,
+              outboundAttractionDistribution: false,
+              scalingRatio: 1,
+              slowDown: 1,
+              strongGravityMode: false
+            }
+          }
+        },
+        createdAt: '2021-05-07T11:05:50.877Z'
+      }
+    ])
+  })
+
+  it('migrates from version 3 to the current', () => {
+    const oldInquiries = [
+      {
+        id: '123',
+        name: 'foo',
+        query: 'SELECT * FROM foo',
+        viewType: 'chart',
+        viewOptions: { here_are: 'foo chart settings' },
+        createdAt: '2021-05-06T11:05:50.877Z'
+      },
+      {
+        id: '456',
+        name: 'bar',
+        query: 'SELECT * FROM bar',
+        viewType: 'graph',
+        viewOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            highlightMode: 'node_and_neighbors',
+            nodes: {
+              size: { type: 'constant', value: 10 },
+              color: {
+                type: 'calculated',
+                method: 'degree',
+                colorscale: null,
+                mode: 'continious',
+                colorscaleDirection: 'reversed',
+                opacity: 100
+              },
+              label: { source: 'label', color: '#444444' }
+            },
+            edges: {
+              showDirection: true,
+              size: { type: 'constant', value: 2 },
+              color: { type: 'constant', value: '#a2b1c6' },
+              label: { source: null, color: '#a2b1c6' }
+            }
+          },
+          layout: {
+            type: 'forceAtlas2',
+            options: {
+              initialIterationsAmount: 50,
+              adjustSizes: false,
+              barnesHutOptimize: false,
+              barnesHutTheta: 0.5,
+              edgeWeightInfluence: 0,
+              gravity: 1,
+              linLogMode: false,
+              outboundAttractionDistribution: false,
+              scalingRatio: 1,
+              slowDown: 1,
+              strongGravityMode: false
+            }
+          }
+        },
+        createdAt: '2021-05-07T11:05:50.877Z'
+      }
+    ]
+    expect(migrations._migrate(3, oldInquiries)).to.eql([
+      {
+        id: '123',
+        name: 'foo',
+        query: 'SELECT * FROM foo',
+        viewType: 'chart',
+        viewOptions: { here_are: 'foo chart settings' },
+        createdAt: '2021-05-06T11:05:50.877Z'
+      },
+      {
+        id: '456',
+        name: 'bar',
+        query: 'SELECT * FROM bar',
+        viewType: 'graph',
+        viewOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            highlightMode: 'node_and_neighbors',
+            nodes: {
+              size: { type: 'constant', value: 10 },
+              color: {
+                type: 'calculated',
+                method: 'degree',
+                colorscale: null,
+                mode: 'continious',
+                colorscaleDirection: 'reversed',
+                opacity: 100
+              },
+              label: { source: 'label', color: '#444444' }
+            },
+            edges: {
+              showDirection: true,
+              size: { type: 'constant', value: 2 },
+              color: { type: 'constant', value: '#a2b1c6' },
+              label: { source: null, color: '#a2b1c6' }
+            }
+          },
+          layout: {
+            type: 'forceAtlas2',
+            options: {
+              initialAlgorithm: 'circular',
+              initialIterationsAmount: 50,
+              adjustSizes: false,
+              barnesHutOptimize: false,
+              barnesHutTheta: 0.5,
+              edgeWeightInfluence: 0,
+              gravity: 1,
+              linLogMode: false,
+              outboundAttractionDistribution: false,
+              scalingRatio: 1,
+              slowDown: 1,
+              strongGravityMode: false
+            }
+          }
+        },
+        createdAt: '2021-05-07T11:05:50.877Z'
+      }
+    ])
+  })
 })

tests/lib/storedInquiries/storedInquiries.spec.js

@@ -18,7 +18,7 @@ describe('storedInquiries.js', () => {
     expect(inquiries).to.eql([])
   })
 
-  it('getStoredInquiries migrate and returns inquiries of v1', () => {
+  it('getStoredInquiries migrates and returns inquiries of v1', () => {
     localStorage.setItem(
       'myQueries',
       JSON.stringify([
@@ -55,6 +55,145 @@ describe('storedInquiries.js', () => {
     ])
   })
 
+  it('getStoredInquiries migrates and returns inquiries of v2', () => {
+    localStorage.setItem(
+      'myInquiries',
+      JSON.stringify({
+        version: 2,
+        inquiries: [
+          {
+            id: 'Xh1Hc9v7P3mRPZVM59QiC',
+            query: 'SELECT * from doc',
+            viewType: 'graph',
+            viewOptions: {
+              structure: {
+                nodeId: 'node_id',
+                objectType: 'object_type',
+                edgeSource: 'source',
+                edgeTarget: 'target'
+              },
+              style: {
+                backgroundColor: 'white',
+                nodes: {
+                  size: { type: 'constant', value: 10 },
+                  color: {
+                    type: 'calculated',
+                    method: 'degree',
+                    colorscale: null,
+                    mode: 'continious',
+                    colorscaleDirection: 'reversed'
+                  },
+                  label: { source: 'label', color: '#444444' }
+                },
+                edges: {
+                  showDirection: true,
+                  size: { type: 'constant', value: 2 },
+                  color: { type: 'constant', value: '#a2b1c6' },
+                  label: { source: null, color: '#a2b1c6' }
+                }
+              },
+              layout: {
+                type: 'forceAtlas2',
+                options: {
+                  initialIterationsAmount: 50,
+                  adjustSizes: false,
+                  barnesHutOptimize: false,
+                  barnesHutTheta: 0.5,
+                  edgeWeightInfluence: 0,
+                  gravity: 1,
+                  linLogMode: false,
+                  outboundAttractionDistribution: false,
+                  scalingRatio: 1,
+                  slowDown: 1,
+                  strongGravityMode: false
+                }
+              }
+            },
+            name: 'student graph FA2',
+            updatedAt: '2026-01-19T21:49:40.708Z',
+            createdAt: '2026-01-19T21:46:13.899Z'
+          },
+          {
+            id: 'Yh1Hc9v7P3mRPZVM59QiD',
+            query: 'SELECT * from test',
+            viewType: 'chart',
+            viewOptions: 'some chart view options',
+            name: 'student chart',
+            updatedAt: '2026-01-19T21:49:40.708Z',
+            createdAt: '2026-01-19T21:46:13.899Z'
+          }
+        ]
+      })
+    )
+    const inquiries = storedInquiries.getStoredInquiries()
+    expect(inquiries).to.eql([
+      {
+        id: 'Xh1Hc9v7P3mRPZVM59QiC',
+        query: 'SELECT * from doc',
+        viewType: 'graph',
+        viewOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            highlightMode: 'node_and_neighbors',
+            nodes: {
+              size: { type: 'constant', value: 10 },
+              color: {
+                type: 'calculated',
+                method: 'degree',
+                colorscale: null,
+                mode: 'continious',
+                colorscaleDirection: 'reversed',
+                opacity: 100
+              },
+              label: { source: 'label', color: '#444444' }
+            },
+            edges: {
+              showDirection: true,
+              size: { type: 'constant', value: 2 },
+              color: { type: 'constant', value: '#a2b1c6' },
+              label: { source: null, color: '#a2b1c6' }
+            }
+          },
+          layout: {
+            type: 'forceAtlas2',
+            options: {
+              initialAlgorithm: 'circular',
+              initialIterationsAmount: 50,
+              adjustSizes: false,
+              barnesHutOptimize: false,
+              barnesHutTheta: 0.5,
+              edgeWeightInfluence: 0,
+              gravity: 1,
+              linLogMode: false,
+              outboundAttractionDistribution: false,
+              scalingRatio: 1,
+              slowDown: 1,
+              strongGravityMode: false
+            }
+          }
+        },
+        name: 'student graph FA2',
+        updatedAt: '2026-01-19T21:49:40.708Z',
+        createdAt: '2026-01-19T21:46:13.899Z'
+      },
+      {
+        id: 'Yh1Hc9v7P3mRPZVM59QiD',
+        query: 'SELECT * from test',
+        viewType: 'chart',
+        viewOptions: 'some chart view options',
+        name: 'student chart',
+        updatedAt: '2026-01-19T21:49:40.708Z',
+        createdAt: '2026-01-19T21:46:13.899Z'
+      }
+    ])
+  })
+
   it('updateStorage and getStoredInquiries', () => {
     const data = [{ id: 1 }, { id: 2 }]
     storedInquiries.updateStorage(data)
@@ -136,7 +275,7 @@ describe('storedInquiries.js', () => {
     const str = storedInquiries.serialiseInquiries(inquiryList)
     const parsedJson = JSON.parse(str)
 
-    expect(parsedJson.version).to.equal(2)
+    expect(parsedJson.version).to.equal(4)
     expect(parsedJson.inquiries).to.have.lengthOf(2)
     expect(parsedJson.inquiries[1]).to.eql(inquiryList[1])
     expect(parsedJson.inquiries[0]).to.eql({
@@ -149,7 +288,7 @@ describe('storedInquiries.js', () => {
     })
   })
 
-  it('deserialiseInquiries migrates inquiries', () => {
+  it('deserialiseInquiries migrates inquiries of v1', () => {
     const str = `[
       {
         "id": 1,
@@ -188,7 +327,141 @@ describe('storedInquiries.js', () => {
     ])
   })
 
-  it('deserialiseInquiries return array for one inquiry of v1', () => {
+  it('deserialiseInquiries migrates inquiries of v2', () => {
+    const str = `{
+      "version": 2,
+      "inquiries": [
+        {
+          "id": 1,
+          "name": "foo",
+          "query": "select * from foo",
+          "viewType": "chart",
+          "viewOptions": [],
+          "createdAt": "2020-11-03T14:17:49.524Z" 
+        },
+        {
+          "id": "Xh1Hc9v7P3mRPZVM59QiC",
+          "query": "SELECT * from doc",
+          "viewType": "graph",
+          "viewOptions": {
+            "structure": {
+              "nodeId": "node_id",
+              "objectType": "object_type",
+              "edgeSource": "source",
+              "edgeTarget": "target"
+            },
+            "style": {
+              "backgroundColor": "white",
+              "nodes": {
+                "size": { "type": "constant", "value": 10 },
+                "color": {
+                  "type": "calculated",
+                  "method": "degree",
+                  "colorscale": null,
+                  "mode": "continious",
+                  "colorscaleDirection": "reversed"
+                },
+                "label": { "source": "label", "color": "#444444" }
+              },
+              "edges": {
+                "showDirection": true,
+                "size": { "type": "constant", "value": 2 },
+                "color": { "type": "constant", "value": "#a2b1c6" },
+                "label": { "source": null, "color": "#a2b1c6" }
+              }
+            },
+            "layout": {
+                "type": "forceAtlas2",
+                "options": {
+                  "initialIterationsAmount": 50,
+                  "adjustSizes": false,
+                  "barnesHutOptimize": false,
+                  "barnesHutTheta": 0.5,
+                  "edgeWeightInfluence": 0,
+                  "gravity": 1,
+                  "linLogMode": false,
+                  "outboundAttractionDistribution": false,
+                  "scalingRatio": 1,
+                  "slowDown": 1,
+                  "strongGravityMode": false
+                }
+              }
+          },
+          "name": "student graph",
+          "createdAt": "2026-01-19T21:46:13.899Z"
+        }
+      ]
+    }
+    `
+
+    const inquiry = storedInquiries.deserialiseInquiries(str)
+    expect(inquiry).to.eql([
+      {
+        id: 1,
+        name: 'foo',
+        query: 'select * from foo',
+        viewType: 'chart',
+        viewOptions: [],
+        createdAt: '2020-11-03T14:17:49.524Z'
+      },
+      {
+        id: 'Xh1Hc9v7P3mRPZVM59QiC',
+        query: 'SELECT * from doc',
+        viewType: 'graph',
+        viewOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            highlightMode: 'node_and_neighbors',
+            nodes: {
+              size: { type: 'constant', value: 10 },
+              color: {
+                type: 'calculated',
+                method: 'degree',
+                colorscale: null,
+                mode: 'continious',
+                colorscaleDirection: 'reversed',
+                opacity: 100
+              },
+              label: { source: 'label', color: '#444444' }
+            },
+            edges: {
+              showDirection: true,
+              size: { type: 'constant', value: 2 },
+              color: { type: 'constant', value: '#a2b1c6' },
+              label: { source: null, color: '#a2b1c6' }
+            }
+          },
+          layout: {
+            type: 'forceAtlas2',
+            options: {
+              initialAlgorithm: 'circular',
+              initialIterationsAmount: 50,
+              adjustSizes: false,
+              barnesHutOptimize: false,
+              barnesHutTheta: 0.5,
+              edgeWeightInfluence: 0,
+              gravity: 1,
+              linLogMode: false,
+              outboundAttractionDistribution: false,
+              scalingRatio: 1,
+              slowDown: 1,
+              strongGravityMode: false
+            }
+          }
+        },
+        name: 'student graph',
+        createdAt: '2026-01-19T21:46:13.899Z'
+      }
+    ])
+  })
+
+  it('deserialiseInquiries returns array for one inquiry of v1', () => {
     const str = `
       {
         "id": 1,
@@ -215,7 +488,7 @@ describe('storedInquiries.js', () => {
   it('deserialiseInquiries generates new id to avoid duplication', () => {
     storedInquiries.updateStorage([{ id: 1 }])
     const str = `{
-      "version": 2,
+      "version": 3,
       "inquiries": [
         {
           "id": 1,
@@ -275,7 +548,7 @@ describe('storedInquiries.js', () => {
 
   it('importInquiries', async () => {
     const str = `{
-      "version": 2,
+      "version": 4,
       "inquiries": [{
         "id": 1,
         "name": "foo",
@@ -300,7 +573,7 @@ describe('storedInquiries.js', () => {
     ])
   })
 
-  it('readPredefinedInquiries old', async () => {
+  it('readPredefinedInquiries v1', async () => {
     const str = `[
       {
         "id": 1,
@@ -325,18 +598,70 @@ describe('storedInquiries.js', () => {
     ])
   })
 
-  it('readPredefinedInquiries', async () => {
+  it('readPredefinedInquiries v2', async () => {
     const str = `{
       "version": 2,
       "inquiries": [
-      {
-        "id": 1,
-        "name": "foo",
-        "query": "select * from foo",
-        "viewType": "chart",
-        "viewOptions": [],
-        "createdAt": "2020-11-03T14:17:49.524Z" 
-      }]
+        {
+          "id": 1,
+          "name": "foo",
+          "query": "select * from foo",
+          "viewType": "chart",
+          "viewOptions": [],
+          "createdAt": "2020-11-03T14:17:49.524Z" 
+        },
+        {
+          "id": "Xh1Hc9v7P3mRPZVM59QiC",
+          "query": "SELECT * from doc",
+          "viewType": "graph",
+          "viewOptions": {
+            "structure": {
+              "nodeId": "node_id",
+              "objectType": "object_type",
+              "edgeSource": "source",
+              "edgeTarget": "target"
+            },
+            "style": {
+              "backgroundColor": "white",
+              "nodes": {
+                "size": { "type": "constant", "value": 10 },
+                "color": {
+                  "type": "calculated",
+                  "method": "degree",
+                  "colorscale": null,
+                  "mode": "continious",
+                  "colorscaleDirection": "reversed"
+                },
+                "label": { "source": "label", "color": "#444444" }
+              },
+              "edges": {
+                "showDirection": true,
+                "size": { "type": "constant", "value": 2 },
+                "color": { "type": "constant", "value": "#a2b1c6" },
+                "label": { "source": null, "color": "#a2b1c6" }
+              }
+            },
+            "layout": {
+                "type": "forceAtlas2",
+                "options": {
+                  "initialIterationsAmount": 50,
+                  "adjustSizes": false,
+                  "barnesHutOptimize": false,
+                  "barnesHutTheta": 0.5,
+                  "edgeWeightInfluence": 0,
+                  "gravity": 1,
+                  "linLogMode": false,
+                  "outboundAttractionDistribution": false,
+                  "scalingRatio": 1,
+                  "slowDown": 1,
+                  "strongGravityMode": false
+                }
+              }
+          },
+          "name": "student graph",
+          "createdAt": "2026-01-19T21:46:13.899Z"
+        }
+      ]
     }
     `
     sinon.stub(fu, 'readFile').returns(Promise.resolve(new Response(str)))
@@ -350,6 +675,106 @@ describe('storedInquiries.js', () => {
         viewType: 'chart',
         viewOptions: [],
         createdAt: '2020-11-03T14:17:49.524Z'
+      },
+      {
+        id: 'Xh1Hc9v7P3mRPZVM59QiC',
+        query: 'SELECT * from doc',
+        viewType: 'graph',
+        viewOptions: {
+          structure: {
+            nodeId: 'node_id',
+            objectType: 'object_type',
+            edgeSource: 'source',
+            edgeTarget: 'target'
+          },
+          style: {
+            backgroundColor: 'white',
+            highlightMode: 'node_and_neighbors',
+            nodes: {
+              size: { type: 'constant', value: 10 },
+              color: {
+                type: 'calculated',
+                method: 'degree',
+                colorscale: null,
+                mode: 'continious',
+                colorscaleDirection: 'reversed',
+                opacity: 100
+              },
+              label: { source: 'label', color: '#444444' }
+            },
+            edges: {
+              showDirection: true,
+              size: { type: 'constant', value: 2 },
+              color: { type: 'constant', value: '#a2b1c6' },
+              label: { source: null, color: '#a2b1c6' }
+            }
+          },
+          layout: {
+            type: 'forceAtlas2',
+            options: {
+              initialAlgorithm: 'circular',
+              initialIterationsAmount: 50,
+              adjustSizes: false,
+              barnesHutOptimize: false,
+              barnesHutTheta: 0.5,
+              edgeWeightInfluence: 0,
+              gravity: 1,
+              linLogMode: false,
+              outboundAttractionDistribution: false,
+              scalingRatio: 1,
+              slowDown: 1,
+              strongGravityMode: false
+            }
+          }
+        },
+        name: 'student graph',
+        createdAt: '2026-01-19T21:46:13.899Z'
+      }
+    ])
+  })
+
+  it('readPredefinedInquiries', async () => {
+    const str = `{
+      "version": 4,
+      "inquiries": [
+        {
+          "id": 1,
+          "name": "foo",
+          "query": "select * from foo",
+          "viewType": "chart",
+          "viewOptions": [],
+          "createdAt": "2020-11-03T14:17:49.524Z" 
+        },
+        {
+          "id": 2,
+          "name": "boo",
+          "query": "select * from boo",
+          "viewType": "graph",
+          "viewOptions": {},
+          "createdAt": "2020-11-03T14:17:49.524Z" 
+        }
+      ]
+    }
+    `
+    sinon.stub(fu, 'readFile').returns(Promise.resolve(new Response(str)))
+    const inquiries = await storedInquiries.readPredefinedInquiries()
+    expect(fu.readFile.calledOnceWith('./inquiries.json')).to.equal(true)
+    expect(inquiries).to.eql([
+      {
+        id: 1,
+        name: 'foo',
+        query: 'select * from foo',
+        viewType: 'chart',
+        viewOptions: [],
+        createdAt: '2020-11-03T14:17:49.524Z'
+      },
+      {
+        id: 2,
+        name: 'boo',
+        query: 'select * from boo',
+        viewType: 'graph',
+        viewOptions: {},
+        createdAt: '2020-11-03T14:17:49.524Z'
       }
     ])
   })

tests/views/Inquiries.spec.js

@@ -2,7 +2,7 @@ import { expect } from 'chai'
 import sinon from 'sinon'
 import { mount, shallowMount } from '@vue/test-utils'
 import { createStore } from 'vuex'
-import Inquiries from '@/views/MainView/Inquiries'
+import Inquiries from '@/views/Inquiries'
 import storedInquiries from '@/lib/storedInquiries'
 import mutations from '@/store/mutations'
 import actions from '@/store/actions'

tests/views/Workspace.spec.js

@@ -3,7 +3,7 @@ import { mount } from '@vue/test-utils'
 import actions from '@/store/actions'
 import mutations from '@/store/mutations'
 import { createStore } from 'vuex'
-import Workspace from '@/views/MainView/Workspace'
+import Workspace from '@/views/Workspace'
 
 describe('Workspace.vue', () => {
   it('Creates a tab with example if schema is empty', () => {