Pivot implementation and redesign (#69)

- Pivot support implementation 
- Rename queries into inquiries
- Rename editor into workspace
- Change result set format
- New JSON format for inquiries
- Redesign panels

src/views/Main/Workspace/Tabs/Tab/index.vue

@@ -0,0 +1,160 @@
+<template>
+  <div class="tab-content-container" v-show="isActive">
+    <splitpanes
+      class="query-results-splitter"
+      horizontal
+      :before="{ size: 50, max: 100 }"
+      :after="{ size: 50, max: 100 }"
+    >
+      <template #left-pane>
+        <div :id="'above-' + tabIndex" class="above" />
+      </template>
+      <template #right-pane>
+        <div :id="'bottom-'+ tabIndex" ref="bottomPane" class="bottomPane" />
+      </template>
+    </splitpanes>
+
+    <div :id="'hidden-'+ tabIndex" class="hidden-part" />
+
+    <teleport :to="`#${layout.sqlEditor}-${tabIndex}`">
+      <sql-editor
+        ref="sqlEditor"
+        v-model="query"
+        :is-getting-results="isGettingResults"
+        @switchTo="onSwitchView('sqlEditor', $event)"
+        @run="execute"
+      />
+    </teleport>
+
+    <teleport :to="`#${layout.table}-${tabIndex}`">
+      <run-result
+        :result="result"
+        :is-getting-results="isGettingResults"
+        :error="error"
+        :time="time"
+        @switchTo="onSwitchView('table', $event)"
+      />
+    </teleport>
+
+    <teleport :to="`#${layout.dataView}-${tabIndex}`">
+      <data-view
+        :data-source="result"
+        :init-options="initViewOptions"
+        :init-mode="initViewType"
+        ref="dataView"
+        @switchTo="onSwitchView('dataView', $event)"
+        @update="onDataViewUpdate"
+      />
+    </teleport>
+  </div>
+</template>
+
+<script>
+import Splitpanes from '@/components/Splitpanes'
+import SqlEditor from './SqlEditor'
+import DataView from './DataView'
+import RunResult from './RunResult'
+import time from '@/lib/utils/time'
+import Teleport from 'vue2-teleport'
+
+export default {
+  name: 'Tab',
+  props: ['id', 'initName', 'initQuery', 'initViewOptions', 'tabIndex', 'isPredefined', 'initViewType'],
+  components: {
+    SqlEditor,
+    DataView,
+    RunResult,
+    Splitpanes,
+    Teleport
+  },
+  data () {
+    return {
+      query: this.initQuery,
+      result: null,
+      isGettingResults: false,
+      error: null,
+      time: 0,
+      layout: {
+        sqlEditor: 'above',
+        table: 'bottom',
+        dataView: 'hidden'
+      }
+    }
+  },
+  computed: {
+    isActive () {
+      return this.id === this.$store.state.currentTabId
+    }
+  },
+  watch: {
+    isActive: {
+      immediate: true,
+      async handler () {
+        if (this.isActive) {
+          this.$store.commit('setCurrentTab', this)
+          await this.$nextTick()
+          this.$refs.sqlEditor.focus()
+        }
+      }
+    },
+    query () {
+      this.$store.commit('updateTab', { index: this.tabIndex, isSaved: false })
+    }
+  },
+  methods: {
+    onSwitchView (from, to) {
+      const fromPosition = this.layout[from]
+      this.layout[from] = this.layout[to]
+      this.layout[to] = fromPosition
+    },
+    onDataViewUpdate () {
+      this.$store.commit('updateTab', { index: this.tabIndex, isSaved: false })
+    },
+    async execute () {
+      this.isGettingResults = true
+      this.result = null
+      this.error = null
+      const state = this.$store.state
+      try {
+        const start = new Date()
+        this.result = await state.db.execute(this.query + ';')
+        this.time = time.getPeriod(start, new Date())
+      } catch (err) {
+        this.error = {
+          type: 'error',
+          message: err
+        }
+      }
+      state.db.refreshSchema()
+      this.isGettingResults = false
+    }
+  }
+}
+</script>
+
+<style scoped>
+.above {
+  height: 100%;
+  max-height: 100%;
+}
+
+.hidden-part {
+  display: none;
+}
+
+.tab-content-container {
+  background-color: var(--color-white);
+  border-top: 1px solid var(--color-border-light);
+  margin-top: -1px;
+}
+
+.bottomPane {
+  height: 100%;
+  background-color: var(--color-bg-light);
+}
+
+.query-results-splitter {
+  height: calc(100vh - 104px);
+  background-color: var(--color-bg-light);
+}
+</style>