Move variable names into own component

ui/src/ifql/components/BodyBuilder.tsx

@@ -2,6 +2,7 @@ import React, {PureComponent} from 'react'
 import _ from 'lodash'
 
 import ExpressionNode from 'src/ifql/components/ExpressionNode'
+import VariableName from 'src/ifql/components/VariableName'
 
 import {FlatBody, Suggestion} from 'src/types/ifql'
 
@@ -22,9 +23,7 @@ class BodyBuilder extends PureComponent<Props> {
           if (d.funcs) {
             return (
               <div className="declaration" key={b.id}>
-                <div className="variable-string">
-                  <span className="variable-name">{d.name}</span>
-                </div>
+                <VariableName name={d.name} />
                 <ExpressionNode
                   key={b.id}
                   bodyID={b.id}
@@ -38,49 +37,27 @@ class BodyBuilder extends PureComponent<Props> {
 
           return (
             <div className="declaration" key={b.id}>
-              <div className="variable-string">
-                {this.colorVariableSyntax(b.source)}
-              </div>
+              <VariableName name={b.source} />
             </div>
           )
         })
       }
 
       return (
+        <div className="declaration" key={b.id}>
+          <VariableName />
           <ExpressionNode
-          key={b.id}
             bodyID={b.id}
             funcs={b.funcs}
             funcNames={this.funcNames}
           />
+        </div>
       )
     })
 
     return <div className="body-builder">{_.flatten(bodybuilder)}</div>
   }
 
-  private colorVariableSyntax = (varString: string) => {
-    const split = varString.split('=')
-    const varName = split[0].substring(0, split[0].length - 1)
-    const varValue = split[1].substring(1)
-
-    const valueIsString = varValue.endsWith('"')
-
-    return (
-      <>
-        <span className="variable-name">{varName}</span>
-        {' = '}
-        <span
-          className={
-            valueIsString ? 'variable-value--string' : 'variable-value--number'
-          }
-        >
-          {varValue}
-        </span>
-      </>
-    )
-  }
-
   private get funcNames() {
     return this.props.suggestions.map(f => f.name)
   }

ui/src/ifql/components/VariableName.tsx

@@ -0,0 +1,126 @@
+import React, {PureComponent, MouseEvent} from 'react'
+
+interface Props {
+  name?: string
+}
+
+interface State {
+  isExpanded: boolean
+}
+
+export default class VariableName extends PureComponent<Props, State> {
+  public static defaultProps: Partial<Props> = {
+    name: '',
+  }
+
+  constructor(props) {
+    super(props)
+
+    this.state = {
+      isExpanded: false,
+    }
+  }
+
+  public render() {
+    const {isExpanded} = this.state
+
+    return (
+      <div
+        className="variable-string"
+        onMouseEnter={this.handleMouseEnter}
+        onMouseLeave={this.handleMouseLeave}
+      >
+        {this.nameElement}
+        {isExpanded && this.renderTooltip}
+      </div>
+    )
+  }
+
+  private get renderTooltip(): JSX.Element {
+    const {name} = this.props
+
+    if (name.includes('=')) {
+      const split = name.split('=')
+      const varName = split[0].substring(0, split[0].length - 1)
+      const varValue = split[1].substring(1)
+
+      return (
+        <div className="variable-name--tooltip">
+          <input
+            type="text"
+            className="form-control form-plutonium input-sm variable-name--input"
+            defaultValue={varName}
+            placeholder="Name"
+          />
+          <span className="variable-name--operator">=</span>
+          <input
+            type="text"
+            className="form-control input-sm variable-name--input"
+            defaultValue={varValue}
+            placeholder="Value"
+          />
+        </div>
+      )
+    }
+
+    return (
+      <div className="variable-name--tooltip">
+        <input
+          type="text"
+          className="form-control form-plutonium input-sm variable-name--input"
+          defaultValue={name}
+          placeholder="Name this query..."
+        />
+      </div>
+    )
+  }
+
+  private handleMouseEnter = (e: MouseEvent<HTMLElement>): void => {
+    e.stopPropagation()
+
+    this.setState({isExpanded: true})
+  }
+
+  private handleMouseLeave = (e: MouseEvent<HTMLElement>): void => {
+    e.stopPropagation()
+
+    this.setState({isExpanded: false})
+  }
+
+  private get nameElement(): JSX.Element {
+    const {name} = this.props
+
+    if (!name) {
+      return <span className="variable-blank">Untitled</span>
+    }
+
+    if (name.includes('=')) {
+      return this.colorizeSyntax
+    }
+
+    return <span className="variable-name">{name}</span>
+  }
+
+  private get colorizeSyntax(): JSX.Element {
+    const {name} = this.props
+    const split = name.split('=')
+    const varName = split[0].substring(0, split[0].length - 1)
+    const varValue = split[1].substring(1)
+
+    const valueIsString = varValue.endsWith('"')
+
+    return (
+      <>
+        <span className="variable-name">{varName}</span>
+        {' = '}
+        <span
+          className={
+            valueIsString ? 'variable-value--string' : 'variable-value--number'
+          }
+        >
+          {varValue}
+        </span>
+      </>
+    )
+  }
+}

ui/src/style/components/time-machine/ifql-builder.scss

@@ -15,10 +15,16 @@ $ifql-arg-min-width: 120px;
   font-size: 13px;
   font-weight: 600;
   position: relative;
+  background-color: $g4-onyx;
+  transition: background-color 0.25s ease;
+
+  &:hover {
+    background-color: $g6-smoke;
+  }
 }
 
 .body-builder {
-  padding: 12px 30px;
+  padding: 30px;
   min-width: 440px;
   overflow: hidden;
   height: 100%;
@@ -30,7 +36,7 @@ $ifql-arg-min-width: 120px;
   width: 100%;
   margin-bottom: 24px;
   display: flex;
-  flex-wrap: wrap;
+  flex-wrap: nowrap;
 
   &:last-of-type {
     margin-bottom: 0;
@@ -42,9 +48,11 @@ $ifql-arg-min-width: 120px;
   color: $g11-sidewalk;
   line-height: $ifql-node-height;
   white-space: nowrap;
-  background-color: $g3-castle;
   @include no-user-select();
 }
+.variable-blank {
+  font-style: italic;
+}
 .variable-name {
   color: $c-pool;
 }
@@ -65,9 +73,7 @@ $ifql-arg-min-width: 120px;
   @extend %ifql-node;
   display: flex;
   align-items: center;
-  background-color: $g4-onyx;
   margin-left: $ifql-node-gap;
-  transition: background-color 0.25s ease;
 
   // Connection Line
   &:after {
@@ -81,8 +87,9 @@ $ifql-arg-min-width: 120px;
     transform: translate(-100%, -50%);
   }
 
-  &:hover {
-    background-color: $g6-smoke;
+  &:first-child:after {
+    content: none;
+    margin-left: 0;
   }
 }
 .func-node--name,
@@ -112,7 +119,8 @@ $ifql-arg-min-width: 120px;
 }
  
 
-.func-node--tooltip {
+.func-node--tooltip,
+.variable-name--tooltip {
   background-color: $g3-castle;
   border-radius: $radius;
   padding: 10px;
@@ -176,3 +184,24 @@ $ifql-arg-min-width: 120px;
 .func-arg--value {
   flex: 1 0 0;
 }
+
+
+.variable-name--tooltip {
+  flex-direction: row;
+  align-items: center;
+  justify-content: space-between;
+  flex-wrap: nowrap;
+}
+
+.variable-name--input {
+  width: 140px;
+}
+
+.variable-name--operator {
+  width: 20px;
+  height: 30px;
+  text-align: center;
+  line-height: 30px;
+  font-weight: 600;
+  @include no-user-select();
+}