Inspect: Inspect header design update (#22120)

* first things

* rename

* add stats, remove table related changes

* header size and expand icon

* add case for nan request time

* fixing null checks

* reverting changes to table

* fix background on header

* Some small fixes after review

* do not use formInputBg

packages/grafana-ui/src/components/Drawer/Drawer.tsx

@@ -8,7 +8,7 @@ import { stylesFactory, useTheme, selectThemeVariant } from '../../themes';
 export interface Props {
   children: ReactNode;
   /** Title shown at the top of the drawer */
-  title?: string;
+  title?: (() => JSX.Element) | string;
   /** Should the Drawer be closable by clicking on the mask */
   closeOnMaskClick?: boolean;
   /** Render the drawer inside a container on the page */
@@ -43,7 +43,7 @@ const getStyles = stylesFactory((theme: GrafanaTheme, scollableContent: boolean)
     titleWrapper: css`
       font-size: ${theme.typography.size.lg};
       display: flex;
-      align-items: center;
+      align-items: baseline;
       justify-content: space-between;
       border-bottom: 1px solid ${borderColor};
       padding: ${theme.spacing.sm} 0 ${theme.spacing.sm} ${theme.spacing.md};
@@ -94,12 +94,15 @@ export const Drawer: FC<Props> = ({
       style={{ position: `${inline && 'absolute'}` } as CSSProperties}
       className={drawerStyles.drawer}
     >
-      <div className={drawerStyles.titleWrapper}>
-        <div>{title}</div>
-        <div className={drawerStyles.close} onClick={onClose}>
-          <i className="fa fa-close" />
+      {typeof title === 'string' && (
+        <div className={drawerStyles.titleWrapper}>
+          <div>{title}</div>
+          <div className={drawerStyles.close} onClick={onClose}>
+            <i className="fa fa-close" />
+          </div>
         </div>
-      </div>
+      )}
+      {typeof title === 'function' && title()}
       <div className={drawerStyles.content}>
         {!scrollableContent ? children : <CustomScrollbar>{children}</CustomScrollbar>}
       </div>

packages/grafana-ui/src/components/Table/styles.ts

@@ -35,6 +35,7 @@ export const getTableStyles = stylesFactory(
         border-spacing: 0;
       `,
       thead: css`
+        label: thead;
         overflow-y: auto;
         overflow-x: hidden;
         background: ${headerBg};
@@ -46,6 +47,7 @@ export const getTableStyles = stylesFactory(
         color: ${colors.blue};
       `,
       row: css`
+        label: row;
         border-bottom: 2px solid ${colors.bodyBg};
       `,
       tableCell: css`

public/app/features/dashboard/components/Inspector/InspectHeader.tsx

@@ -0,0 +1,101 @@
+import React, { FC } from 'react';
+import { css } from 'emotion';
+import { Icon, selectThemeVariant, stylesFactory, Tab, TabsBar, useTheme } from '@grafana/ui';
+import { GrafanaTheme, SelectableValue } from '@grafana/data';
+import { InspectTab } from './PanelInspector';
+import { PanelModel } from '../../state';
+
+interface Props {
+  tab: InspectTab;
+  tabs: Array<{ label: string; value: InspectTab }>;
+  stats: { requestTime: number; queries: number; dataSources: number };
+  panel: PanelModel;
+  isExpanded: boolean;
+
+  onSelectTab: (tab: SelectableValue<InspectTab>) => void;
+  onClose: () => void;
+  onToggleExpand: () => void;
+}
+
+export const InspectHeader: FC<Props> = ({
+  tab,
+  tabs,
+  onSelectTab,
+  onClose,
+  onToggleExpand,
+  panel,
+  stats,
+  isExpanded,
+}) => {
+  const theme = useTheme();
+  const styles = getStyles(theme);
+
+  return (
+    <div className={styles.header}>
+      <div className={styles.actions}>
+        <div className={styles.iconWrapper} onClick={onToggleExpand}>
+          <Icon name={isExpanded ? 'chevron-right' : 'chevron-left'} className={styles.icon} />
+        </div>
+        <div className={styles.iconWrapper} onClick={onClose}>
+          <Icon name="times" className={styles.icon} />
+        </div>
+      </div>
+      <div className={styles.titleWrapper}>
+        <h3>{panel.title}</h3>
+        <div>{formatStats(stats)}</div>
+      </div>
+      <TabsBar>
+        {tabs.map((t, index) => {
+          return (
+            <Tab
+              key={`${t.value}-${index}`}
+              label={t.label}
+              active={t.value === tab}
+              onChangeTab={() => onSelectTab(t)}
+            />
+          );
+        })}
+      </TabsBar>
+    </div>
+  );
+};
+
+const getStyles = stylesFactory((theme: GrafanaTheme) => {
+  const headerBackground = selectThemeVariant({ dark: theme.colors.gray15, light: theme.colors.white }, theme.type);
+  return {
+    header: css`
+      background-color: ${headerBackground};
+      z-index: 1;
+      flex-grow: 0;
+      padding: ${theme.spacing.sm} ${theme.spacing.sm} 0 ${theme.spacing.lg};
+    `,
+    actions: css`
+      display: flex;
+      align-items: baseline;
+      justify-content: space-between;
+      margin-bottom: ${theme.spacing.md};
+    `,
+    iconWrapper: css`
+      cursor: pointer;
+      width: 25px;
+      height: 100%;
+      display: flex;
+      flex-shrink: 0;
+      justify-content: center;
+    `,
+    icon: css`
+      font-size: ${theme.typography.size.lg};
+    `,
+    titleWrapper: css`
+      margin-bottom: ${theme.spacing.lg};
+    `,
+  };
+});
+
+function formatStats(stats: { requestTime: number; queries: number; dataSources: number }) {
+  const queries = `${stats.queries} ${stats.queries === 1 ? 'query' : 'queries'}`;
+  const dataSources = `${stats.dataSources} ${stats.dataSources === 1 ? 'data source' : 'data sources'}`;
+  const requestTime = `${stats.requestTime === -1 ? 'N/A' : stats.requestTime}ms`;
+
+  return `${queries} - ${dataSources}  - ${requestTime}`;
+}

public/app/features/dashboard/components/Inspector/PanelInspector.tsx

@@ -3,19 +3,10 @@ import AutoSizer from 'react-virtualized-auto-sizer';
 import { saveAs } from 'file-saver';
 import { css } from 'emotion';
 
+import { InspectHeader } from './InspectHeader';
+
 import { DashboardModel, PanelModel } from 'app/features/dashboard/state';
-import {
-  JSONFormatter,
-  Drawer,
-  Select,
-  Table,
-  TabsBar,
-  Tab,
-  TabContent,
-  Forms,
-  stylesFactory,
-  CustomScrollbar,
-} from '@grafana/ui';
+import { JSONFormatter, Drawer, Select, Table, TabContent, Forms, stylesFactory, CustomScrollbar } from '@grafana/ui';
 import { getLocationSrv, getDataSourceSrv } from '@grafana/runtime';
 import {
   DataFrame,
@@ -44,7 +35,7 @@ export enum InspectTab {
 
 interface State {
   // The last raw response
-  last?: PanelData;
+  last: PanelData;
 
   // Data frem the last response
   data: DataFrame[];
@@ -57,6 +48,10 @@ interface State {
 
   // If the datasource supports custom metadata
   metaDS?: DataSourceApi;
+
+  stats: { requestTime: number; queries: number; dataSources: number };
+
+  drawerWidth: string;
 }
 
 const getStyles = stylesFactory(() => {
@@ -89,9 +84,12 @@ export class PanelInspector extends PureComponent<Props, State> {
   constructor(props: Props) {
     super(props);
     this.state = {
+      last: {} as PanelData,
       data: [],
       selected: 0,
       tab: props.selectedTab || InspectTab.Data,
+      drawerWidth: '40%',
+      stats: { requestTime: 0, queries: 0, dataSources: 0 },
     };
   }
 
@@ -110,8 +108,14 @@ export class PanelInspector extends PureComponent<Props, State> {
 
     // Find the first DataSource wanting to show custom metadata
     let metaDS: DataSourceApi;
-    const data = lastResult?.series;
-    const error = lastResult?.error;
+    const data = lastResult.series;
+    const error = lastResult.error;
+
+    const targets = lastResult.request?.targets;
+    const requestTime = lastResult.request?.endTime ? lastResult.request?.endTime - lastResult.request.startTime : -1;
+    const queries = targets ? targets.length : 0;
+
+    const dataSources = new Set(targets.map(t => t.datasource)).size;
 
     if (data) {
       for (const frame of data) {
@@ -132,6 +136,11 @@ export class PanelInspector extends PureComponent<Props, State> {
       data,
       metaDS,
       tab: error ? InspectTab.Error : prevState.tab,
+      stats: {
+        requestTime,
+        queries,
+        dataSources,
+      },
     }));
   }
 
@@ -142,6 +151,12 @@ export class PanelInspector extends PureComponent<Props, State> {
     });
   };
 
+  onToggleExpand = () => {
+    this.setState(prevState => ({
+      drawerWidth: prevState.drawerWidth === '100%' ? '40%' : '100%',
+    }));
+  };
+
   onSelectTab = (item: SelectableValue<InspectTab>) => {
     this.setState({ tab: item.value || InspectTab.Data });
   };
@@ -261,17 +276,9 @@ export class PanelInspector extends PureComponent<Props, State> {
     );
   }
 
-  render() {
-    const { panel } = this.props;
-    const { last, tab } = this.state;
-    const styles = getStyles();
-
+  drawerHeader = () => {
+    const { tab, last, stats } = this.state;
     const error = last?.error;
-    if (!panel) {
-      this.onDismiss(); // Try to close the component
-      return null;
-    }
-
     const tabs = [];
     if (last && last?.series?.length > 0) {
       tabs.push({ label: 'Data', value: InspectTab.Data });
@@ -285,19 +292,26 @@ export class PanelInspector extends PureComponent<Props, State> {
     tabs.push({ label: 'Raw JSON', value: InspectTab.Raw });
 
     return (
-      <Drawer title={panel.title} onClose={this.onDismiss}>
-        <TabsBar>
-          {tabs.map((t, index) => {
-            return (
-              <Tab
-                key={`${t.value}-${index}`}
-                label={t.label}
-                active={t.value === tab}
-                onChangeTab={() => this.onSelectTab(t)}
-              />
-            );
-          })}
-        </TabsBar>
+      <InspectHeader
+        tabs={tabs}
+        tab={tab}
+        stats={stats}
+        onSelectTab={this.onSelectTab}
+        onClose={this.onDismiss}
+        panel={this.props.panel}
+        onToggleExpand={this.onToggleExpand}
+        isExpanded={this.state.drawerWidth === '100%'}
+      />
+    );
+  };
+
+  render() {
+    const { last, tab, drawerWidth } = this.state;
+    const styles = getStyles();
+    const error = last?.error;
+
+    return (
+      <Drawer title={this.drawerHeader} width={drawerWidth} onClose={this.onDismiss}>
         <TabContent className={styles.tabContent}>
           {tab === InspectTab.Data ? (
             this.renderDataTab()