New panel editor: Add title editor (#22030)

public/app/features/dashboard/components/PanelEditor/PanelEditor.tsx

@@ -1,6 +1,6 @@
 import React, { PureComponent } from 'react';
 import { GrafanaTheme, FieldConfigSource, PanelData, LoadingState, DefaultTimeRange, PanelEvents } from '@grafana/data';
-import { stylesFactory, Forms, FieldConfigEditor, CustomScrollbar } from '@grafana/ui';
+import { stylesFactory, Forms, FieldConfigEditor, CustomScrollbar, selectThemeVariant } from '@grafana/ui';
 import { css, cx } from 'emotion';
 import config from 'app/core/config';
 
@@ -13,14 +13,23 @@ import { StoreState } from '../../../../types/store';
 import { connect } from 'react-redux';
 import { updateLocation } from '../../../../core/reducers/location';
 import { Unsubscribable } from 'rxjs';
+import { PanelTitle } from './PanelTitle';
 
 const getStyles = stylesFactory((theme: GrafanaTheme) => {
+  const handleColor = selectThemeVariant(
+    {
+      dark: theme.colors.dark9,
+      light: theme.colors.gray6,
+    },
+    theme.type
+  );
+
   const resizer = css`
     padding: 3px;
     font-style: italic;
     background: ${theme.colors.panelBg};
     &:hover {
-      background: ${theme.colors.headingColor};
+      background: ${handleColor};
     }
   `;
 
@@ -54,8 +63,23 @@ const getStyles = stylesFactory((theme: GrafanaTheme) => {
     ),
     noScrollPaneContent: css`
       height: 100%;
+      width: 100%;
       overflow: hidden;
     `,
+    toolbar: css`
+      padding: ${theme.spacing.sm};
+      height: 48px;
+      display: flex;
+      justify-content: space-between;
+    `,
+    panes: css`
+      height: calc(100% - 48px);
+      position: relative;
+    `,
+    toolbarLeft: css`
+      display: flex;
+      align-items: center;
+    `,
   };
 });
 
@@ -204,6 +228,11 @@ export class PanelEditor extends PureComponent<Props, State> {
     console.log('TODO, save splitter settings');
   };
 
+  onPanelTitleChange = (title: string) => {
+    this.state.panel.title = title;
+    this.forceUpdate();
+  };
+
   render() {
     const { dashboard } = this.props;
     const { panel } = this.state;
@@ -215,56 +244,62 @@ export class PanelEditor extends PureComponent<Props, State> {
 
     return (
       <div className={styles.wrapper}>
-        <div>
-          <button className="navbar-edit__back-btn" onClick={this.onPanelExit}>
-            <i className="fa fa-arrow-left"></i>
-          </button>
-          {panel.title}
-          <Forms.Button variant="destructive" onClick={this.onDiscard}>
-            Discard
-          </Forms.Button>
+        <div className={styles.toolbar}>
+          <div className={styles.toolbarLeft}>
+            <button className="navbar-edit__back-btn" onClick={this.onPanelExit}>
+              <i className="fa fa-arrow-left"></i>
+            </button>
+            <PanelTitle value={panel.title} onChange={this.onPanelTitleChange} />
+          </div>
+          <div>
+            <Forms.Button variant="destructive" onClick={this.onDiscard}>
+              Discard
+            </Forms.Button>
+          </div>
         </div>
-        <SplitPane
-          split="vertical"
-          primary="second"
-          minSize={50}
-          defaultSize={350}
-          resizerClassName={styles.resizerV}
-          onDragStarted={() => (document.body.style.cursor = 'col-resize')}
-          onDragFinished={this.onDragFinished}
-        >
+        <div className={styles.panes}>
           <SplitPane
-            split="horizontal"
-            minSize={50}
+            split="vertical"
             primary="second"
-            defaultSize="40%"
-            resizerClassName={styles.resizerH}
-            onDragStarted={() => (document.body.style.cursor = 'row-resize')}
+            minSize={50}
+            defaultSize={350}
+            resizerClassName={styles.resizerV}
+            onDragStarted={() => (document.body.style.cursor = 'col-resize')}
             onDragFinished={this.onDragFinished}
           >
-            <div className={styles.fill}>
-              <DashboardPanel
-                dashboard={dashboard}
-                panel={panel}
-                isEditing={false}
-                isInEditMode
-                isFullscreen={false}
-                isInView={true}
-              />
-            </div>
+            <SplitPane
+              split="horizontal"
+              minSize={50}
+              primary="second"
+              defaultSize="40%"
+              resizerClassName={styles.resizerH}
+              onDragStarted={() => (document.body.style.cursor = 'row-resize')}
+              onDragFinished={this.onDragFinished}
+            >
+              <div className={styles.fill}>
+                <DashboardPanel
+                  dashboard={dashboard}
+                  panel={panel}
+                  isEditing={false}
+                  isInEditMode
+                  isFullscreen={false}
+                  isInView={true}
+                />
+              </div>
+              <div className={styles.noScrollPaneContent}>
+                <QueriesTab panel={panel} dashboard={dashboard} />
+              </div>
+            </SplitPane>
             <div className={styles.noScrollPaneContent}>
-              <QueriesTab panel={panel} dashboard={dashboard} />
+              <CustomScrollbar>
+                <div style={{ padding: '10px' }}>
+                  {this.renderFieldOptions()}
+                  {this.renderVisSettings()}
+                </div>
+              </CustomScrollbar>
             </div>
           </SplitPane>
-          <div className={styles.noScrollPaneContent}>
-            <CustomScrollbar>
-              <div style={{ padding: '10px' }}>
-                {this.renderFieldOptions()}
-                {this.renderVisSettings()}
-              </div>
-            </CustomScrollbar>
-          </div>
-        </SplitPane>
+        </div>
       </div>
     );
   }

public/app/features/dashboard/components/PanelEditor/PanelTitle.tsx

@@ -0,0 +1,35 @@
+import React, { useState } from 'react';
+import { css } from 'emotion';
+import { Forms, useTheme } from '@grafana/ui';
+
+interface PanelTitleProps {
+  value: string;
+  onChange: (value: string) => void;
+}
+
+export const PanelTitle: React.FC<PanelTitleProps> = ({ value, onChange }) => {
+  const [isEditing, setIsEditing] = useState(false);
+  const theme = useTheme();
+  return (
+    <>
+      {isEditing ? (
+        <Forms.Input
+          value={value || ''}
+          onChange={e => onChange(e.currentTarget.value)}
+          onBlur={() => setIsEditing(false)}
+          placeholder="Panel Title"
+        />
+      ) : (
+        <span
+          className={css`
+            font-size: ${theme.typography.size.lg};
+            margin-left: ${theme.spacing.sm};
+          `}
+          onClick={() => setIsEditing(true)}
+        >
+          {value}
+        </span>
+      )}
+    </>
+  );
+};