From dd30e17ff566149d9a18eefcdea960ed35fe655d Mon Sep 17 00:00:00 2001
From: lana-k <skochetova89@gmail.com>
Date: Sun, 25 Jan 2026 22:15:48 +0100
Subject: [PATCH] #133 Add node data viewer

---
 src/components/Common/Splitpanes/index.vue    |  17 +-
 src/components/DataView.vue                   |  16 +-
 src/components/Graph/index.vue                |  48 ++++--
 src/components/RunResult/index.vue            | 148 +++++++-----------
 src/components/Tab.vue                        |   1 -
 .../{RunResult => }/ValueViewer.vue           | 108 ++++++++-----
 6 files changed, 180 insertions(+), 158 deletions(-)
 rename src/components/{RunResult => }/ValueViewer.vue (67%)

diff --git a/src/components/Common/Splitpanes/index.vue b/src/components/Common/Splitpanes/index.vue
index 5f5f53b..14e0c94 100644
--- a/src/components/Common/Splitpanes/index.vue
+++ b/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}%`
         }
       }
     },
diff --git a/src/components/DataView.vue b/src/components/DataView.vue
index c09e30c..9d70f61 100644
--- a/src/components/DataView.vue
+++ b/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 +57,16 @@
         <settings-icon />
       </icon-button>
 
+      <icon-button
+        ref="viewNodeValueBtn"
+        tooltip="View node"
+        tooltipPosition="top-left"
+        :active="viewValuePanelVisible"
+        @click="viewValuePanelVisible = !viewValuePanelVisible"
+      >
+        <view-cell-value-icon />
+      </icon-button>
+
       <div class="side-tool-bar-divider" />
 
       <icon-button
@@ -126,6 +137,7 @@ 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/Common/LoadingDialog.vue'
 import time from '@/lib/utils/time'
@@ -144,6 +156,7 @@ export default {
     GraphIcon,
     SettingsIcon,
     ExportToSvgIcon,
+    ViewCellValueIcon,
     PngIcon,
     HtmlIcon,
     ClipboardIcon,
@@ -172,7 +185,8 @@ export default {
         graph: this.initMode === 'graph' ? this.initOptions : null
       },
       showLoadingDialog: false,
-      showViewSettings: true
+      showViewSettings: true,
+      viewValuePanelVisible: false
     }
   },
   computed: {
diff --git a/src/components/Graph/index.vue b/src/components/Graph/index.vue
index 8e2ea17..f2f8c6e 100644
--- a/src/components/Graph/index.vue
+++ b/src/components/Graph/index.vue
@@ -13,21 +13,35 @@
         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="$emit('update')"
-      />
-    </div>
+      <template #left-pane>
+        <div :style="{ height: '100%' }" ref="graphEditorContainer">
+          <GraphEditor
+            ref="graphEditor"
+            :dataSources="dataSources"
+            :initOptions="initOptions"
+            :showViewSettings="showViewSettings"
+            @update="$emit('update')"
+          />
+        </div>
+      </template>
+      <template v-if="showValueViewer" #right-pane>
+        <value-viewer
+          :empty="!selectedNode"
+          empty-message="No node selected to view"
+          :cellValue="'{}'"
+        />
+      </template>
+    </splitpanes>
   </div>
 </template>
 
@@ -35,17 +49,20 @@
 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'
+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',
@@ -57,7 +74,8 @@ export default {
   ],
   data() {
     return {
-      resizeObserver: null
+      resizeObserver: null,
+      selectedNode: {}
     }
   },
   computed: {
@@ -83,10 +101,10 @@ export default {
   },
   mounted() {
     this.resizeObserver = new ResizeObserver(this.handleResize)
-    this.resizeObserver.observe(this.$refs.graphContainer)
+    this.resizeObserver.observe(this.$refs.graphEditorContainer)
   },
   beforeUnmount() {
-    this.resizeObserver.unobserve(this.$refs.graphContainer)
+    this.resizeObserver.unobserve(this.$refs.graphEditorContainer)
   },
   methods: {
     getOptionsForSave() {
@@ -100,7 +118,7 @@ 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 })
diff --git a/src/components/RunResult/index.vue b/src/components/RunResult/index.vue
index 6b2d460..d85d702 100644
--- a/src/components/RunResult/index.vue
+++ b/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"
+          empty-message="No cell selected to view"
+          :cellValue="
+            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
@@ -89,48 +115,6 @@
       @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>
 
@@ -151,7 +135,7 @@ import cIo from '@/lib/utils/clipboardIo'
 import time from '@/lib/utils/time'
 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;
diff --git a/src/components/Tab.vue b/src/components/Tab.vue
index c7c4a70..51c3714 100644
--- a/src/components/Tab.vue
+++ b/src/components/Tab.vue
@@ -37,7 +37,6 @@
       :disabled="!enableTeleport"
     >
       <run-result
-        :tab="tab"
         :result="tab.result"
         :isGettingResults="tab.isGettingResults"
         :error="tab.error"
diff --git a/src/components/RunResult/ValueViewer.vue b/src/components/ValueViewer.vue
similarity index 67%
rename from src/components/RunResult/ValueViewer.vue
rename to src/components/ValueViewer.vue
index 078fa6f..39e109c 100644
--- a/src/components/RunResult/ValueViewer.vue
+++ b/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>
@@ -65,7 +73,9 @@ export default {
     Logs
   },
   props: {
-    cellValue: [String, Number, Uint8Array]
+    cellValue: [String, Number, Uint8Array],
+    empty: Boolean,
+    emptyMessage: String
   },
   data() {
     return {
@@ -153,8 +163,10 @@ 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 +231,14 @@ 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>