Explore: Synchronise time ranges in split mode (#19274)

* Explore: create connected sync button when screen is splitted

* Explore: create attachable button to TimePicker

* WIP/Explore: set up redux boilerplate for synced state

* WIP/Explore: add toggling functionality to sync buttons

* WIP/Explore: Fix styling issue

* First pass solution working

* Explore: Clean up, update comments

* Explore: refactore Timepicker, remove newly introduced class names

* Explore: refactore ExploreTimeControls

* Explore: more semantic variables naming

* Explore: run query on syncable item when synced times activated

* Explore: Add tooltip to sync times button

* Explore: Remove typo

* Explore: check exploreId

* Explore: refactor ExploreTimeControls

* Explore: refactor to include suggested changes

* Explore: Create TimeSyncButton component, update colors

* Explore: Toggle tooltip, use stylesFactory

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

 // Libraries
 import React, { PureComponent, createRef } from 'react';
+import { css } from 'emotion';
+import memoizeOne from 'memoize-one';
+import classNames from 'classnames';
 
 // Components
 import { ButtonSelect } from '../Select/ButtonSelect';
@@ -11,15 +14,41 @@ import { ClickOutsideWrapper } from '../ClickOutsideWrapper/ClickOutsideWrapper'
 import { isDateTime, DateTime } from '@grafana/data';
 import { rangeUtil } from '@grafana/data';
 import { rawToTimeRange } from './time';
+import { withTheme } from '../../themes/ThemeContext';
 
 // Types
-import { TimeRange, TimeOption, TimeZone, TIME_FORMAT, SelectableValue } from '@grafana/data';
-import { dateMath } from '@grafana/data';
+import { TimeRange, TimeOption, TimeZone, TIME_FORMAT, SelectableValue, dateMath } from '@grafana/data';
+import { GrafanaTheme } from '../../types/theme';
+import { Themeable } from '../../types';
+
+const getStyles = memoizeOne((theme: GrafanaTheme) => {
+  return {
+    timePickerSynced: css`
+      label: timePickerSynced;
+      border-color: ${theme.colors.orangeDark};
+      background-image: none;
+      background-color: transparent;
+      color: ${theme.colors.orangeDark};
+      &:focus,
+      :hover {
+        color: ${theme.colors.orangeDark};
+        background-image: none;
+        background-color: transparent;
+      }
+    `,
+    noRightBorderStyle: css`
+      label: noRightBorderStyle;
+      border-right: 0;
+    `,
+  };
+});
 
-export interface Props {
+export interface Props extends Themeable {
   value: TimeRange;
   selectOptions: TimeOption[];
   timeZone?: TimeZone;
+  timeSyncButton?: JSX.Element;
+  isSynced?: boolean;
   onChange: (timeRange: TimeRange) => void;
   onMoveBackward: () => void;
   onMoveForward: () => void;
@@ -70,7 +99,7 @@ const defaultZoomOutTooltip = () => {
 export interface State {
   isCustomOpen: boolean;
 }
-export class TimePicker extends PureComponent<Props, State> {
+class UnThemedTimePicker extends PureComponent<Props, State> {
   pickerTriggerRef = createRef<HTMLDivElement>();
 
   state: State = {
@@ -120,7 +149,19 @@ export class TimePicker extends PureComponent<Props, State> {
   };
 
   render() {
-    const { selectOptions: selectTimeOptions, value, onMoveBackward, onMoveForward, onZoom, timeZone } = this.props;
+    const {
+      selectOptions: selectTimeOptions,
+      value,
+      onMoveBackward,
+      onMoveForward,
+      onZoom,
+      timeZone,
+      timeSyncButton,
+      isSynced,
+      theme,
+    } = this.props;
+
+    const styles = getStyles(theme);
     const { isCustomOpen } = this.state;
     const options = this.mapTimeOptionsToSelectableValues(selectTimeOptions);
     const currentOption = options.find(item => isTimeOptionEqualToTimeRange(item.value, value));
@@ -152,7 +193,10 @@ export class TimePicker extends PureComponent<Props, State> {
             </button>
           )}
           <ButtonSelect
-            className="time-picker-button-select"
+            className={classNames('time-picker-button-select', {
+              [`btn--radius-right-0 ${styles.noRightBorderStyle}`]: timeSyncButton,
+              [styles.timePickerSynced]: timeSyncButton ? isSynced : null,
+            })}
             value={currentOption}
             label={label}
             options={options}
@@ -161,6 +205,9 @@ export class TimePicker extends PureComponent<Props, State> {
             iconClass={'fa fa-clock-o fa-fw'}
             tooltipContent={<TimePickerTooltipContent timeRange={value} />}
           />
+
+          {timeSyncButton}
+
           {isAbsolute && (
             <button className="btn navbar-button navbar-button--tight" onClick={onMoveForward}>
               <i className="fa fa-chevron-right" />
@@ -195,3 +242,5 @@ const TimePickerTooltipContent = ({ timeRange }: { timeRange: TimeRange }) => (
 function isTimeOptionEqualToTimeRange(option: TimeOption, range: TimeRange): boolean {
   return range.raw.from === option.from && range.raw.to === option.to;
 }
+
+export const TimePicker = withTheme(UnThemedTimePicker);

public/app/features/explore/Explore.tsx

@@ -89,6 +89,7 @@ interface ExploreProps {
   mode: ExploreMode;
   initialUI: ExploreUIState;
   isLive: boolean;
+  syncedTimes: boolean;
   updateTimeRange: typeof updateTimeRange;
   graphResult?: GraphSeriesXY[];
   loading?: boolean;
@@ -178,7 +179,6 @@ export class Explore extends React.PureComponent<ExploreProps> {
 
   onChangeTime = (rawRange: RawTimeRange) => {
     const { updateTimeRange, exploreId } = this.props;
-
     updateTimeRange({ exploreId, rawRange });
   };
 
@@ -218,7 +218,7 @@ export class Explore extends React.PureComponent<ExploreProps> {
   };
 
   onUpdateTimeRange = (absoluteRange: AbsoluteTimeRange) => {
-    const { updateTimeRange, exploreId } = this.props;
+    const { exploreId, updateTimeRange } = this.props;
     updateTimeRange({ exploreId, absoluteRange });
   };
 
@@ -263,6 +263,7 @@ export class Explore extends React.PureComponent<ExploreProps> {
       showingTable,
       timeZone,
       queryResponse,
+      syncedTimes,
     } = this.props;
     const exploreClass = split ? 'explore explore-split' : 'explore';
     const styles = getStyles();
@@ -326,6 +327,7 @@ export class Explore extends React.PureComponent<ExploreProps> {
                             <LogsContainer
                               width={width}
                               exploreId={exploreId}
+                              syncedTimes={syncedTimes}
                               onClickLabel={this.onClickLabel}
                               onStartScanning={this.onStartScanning}
                               onStopScanning={this.onStopScanning}
@@ -350,7 +352,7 @@ const getTimeRangeFromUrlMemoized = memoizeOne(getTimeRangeFromUrl);
 
 function mapStateToProps(state: StoreState, { exploreId }: ExploreProps): Partial<ExploreProps> {
   const explore = state.explore;
-  const { split } = explore;
+  const { split, syncedTimes } = explore;
   const item: ExploreItemState = explore[exploreId];
   const timeZone = getTimeZone(state.user);
   const {
@@ -421,6 +423,7 @@ function mapStateToProps(state: StoreState, { exploreId }: ExploreProps): Partia
     absoluteRange,
     queryResponse,
     originPanelId,
+    syncedTimes,
   };
 }
 

public/app/features/explore/ExploreTimeControls.tsx

@@ -9,6 +9,7 @@ import { TimeRange, TimeOption, TimeZone, RawTimeRange, dateTimeForTimeZone } fr
 
 // Components
 import { TimePicker } from '@grafana/ui';
+import { TimeSyncButton } from './TimeSyncButton';
 
 // Utils & Services
 import { defaultSelectOptions } from '@grafana/ui/src/components/TimePicker/TimePicker';
@@ -18,6 +19,9 @@ export interface Props {
   exploreId: ExploreId;
   range: TimeRange;
   timeZone: TimeZone;
+  splitted: boolean;
+  syncedTimes: boolean;
+  onChangeTimeSync: () => void;
   onChangeTime: (range: RawTimeRange) => void;
 }
 
@@ -67,18 +71,18 @@ export class ExploreTimeControls extends Component<Props> {
   };
 
   render() {
-    const { range, timeZone } = this.props;
+    const { range, timeZone, splitted, syncedTimes, onChangeTimeSync } = this.props;
+    const timeSyncButton = splitted ? <TimeSyncButton onClick={onChangeTimeSync} isSynced={syncedTimes} /> : null;
+    const timePickerCommonProps = {
+      value: range,
+      onChange: this.onChangeTimePicker,
+      timeZone,
+      onMoveBackward: this.onMoveBack,
+      onMoveForward: this.onMoveForward,
+      onZoom: this.onZoom,
+      selectOptions: this.setActiveTimeOption(defaultSelectOptions, range.raw),
+    };
 
-    return (
-      <TimePicker
-        value={range}
-        onChange={this.onChangeTimePicker}
-        timeZone={timeZone}
-        onMoveBackward={this.onMoveBack}
-        onMoveForward={this.onMoveForward}
-        onZoom={this.onZoom}
-        selectOptions={this.setActiveTimeOption(defaultSelectOptions, range.raw)}
-      />
-    );
+    return <TimePicker {...timePickerCommonProps} timeSyncButton={timeSyncButton} isSynced={syncedTimes} />;
   }
 }

public/app/features/explore/ExploreToolbar.tsx

@@ -25,6 +25,7 @@ import {
   splitClose,
   runQueries,
   splitOpen,
+  syncTimes,
   changeRefreshInterval,
   changeMode,
   clearOrigin,
@@ -60,6 +61,7 @@ interface StateProps {
   timeZone: TimeZone;
   selectedDatasource: DataSourceSelectItem;
   splitted: boolean;
+  syncedTimes: boolean;
   refreshInterval: string;
   supportedModes: ExploreMode[];
   selectedMode: ExploreMode;
@@ -77,6 +79,7 @@ interface DispatchProps {
   runQueries: typeof runQueries;
   closeSplit: typeof splitClose;
   split: typeof splitOpen;
+  syncTimes: typeof syncTimes;
   changeRefreshInterval: typeof changeRefreshInterval;
   changeMode: typeof changeMode;
   clearOrigin: typeof clearOrigin;
@@ -112,6 +115,11 @@ export class UnConnectedExploreToolbar extends PureComponent<Props, {}> {
     changeMode(exploreId, mode);
   };
 
+  onChangeTimeSync = () => {
+    const { syncTimes, exploreId } = this.props;
+    syncTimes(exploreId);
+  };
+
   returnToPanel = async ({ withChanges = false } = {}) => {
     const { originPanelId } = this.props;
 
@@ -148,6 +156,7 @@ export class UnConnectedExploreToolbar extends PureComponent<Props, {}> {
       timeZone,
       selectedDatasource,
       splitted,
+      syncedTimes,
       refreshInterval,
       onChangeTime,
       split,
@@ -259,6 +268,9 @@ export class UnConnectedExploreToolbar extends PureComponent<Props, {}> {
                   range={range}
                   timeZone={timeZone}
                   onChangeTime={onChangeTime}
+                  splitted={splitted}
+                  syncedTimes={syncedTimes}
+                  onChangeTimeSync={this.onChangeTimeSync}
                 />
               </div>
             )}
@@ -305,6 +317,7 @@ export class UnConnectedExploreToolbar extends PureComponent<Props, {}> {
 
 const mapStateToProps = (state: StoreState, { exploreId }: OwnProps): StateProps => {
   const splitted = state.explore.split;
+  const syncedTimes = state.explore.syncedTimes;
   const exploreItem: ExploreItemState = state.explore[exploreId];
   const {
     datasourceInstance,
@@ -343,6 +356,7 @@ const mapStateToProps = (state: StoreState, { exploreId }: OwnProps): StateProps
     isPaused,
     originPanelId,
     queries,
+    syncedTimes,
     datasourceLoading,
   };
 };
@@ -355,6 +369,7 @@ const mapDispatchToProps: DispatchProps = {
   runQueries,
   closeSplit: splitClose,
   split: splitOpen,
+  syncTimes,
   changeMode: changeMode,
   clearOrigin,
 };

public/app/features/explore/LogsContainer.tsx

@@ -47,6 +47,7 @@ interface LogsContainerProps {
   isLive: boolean;
   updateTimeRange: typeof updateTimeRange;
   range: TimeRange;
+  syncedTimes: boolean;
   absoluteRange: AbsoluteTimeRange;
   isPaused: boolean;
 }
@@ -54,7 +55,6 @@ interface LogsContainerProps {
 export class LogsContainer extends PureComponent<LogsContainerProps> {
   onChangeTime = (absoluteRange: AbsoluteTimeRange) => {
     const { exploreId, updateTimeRange } = this.props;
-
     updateTimeRange({ exploreId, absoluteRange });
   };
 

public/app/features/explore/TimeSyncButton.tsx

+import React from 'react';
+import classNames from 'classnames';
+import { css } from 'emotion';
+
+import { GrafanaTheme, useTheme, stylesFactory } from '@grafana/ui';
+
+//Components
+import { Tooltip } from '@grafana/ui';
+
+const getStyles = stylesFactory((theme: GrafanaTheme) => {
+  return {
+    timePickerSynced: css`
+      label: timePickerSynced;
+      border-color: ${theme.colors.orangeDark};
+      background-image: none;
+      background-color: transparent;
+      color: ${theme.colors.orangeDark};
+      &:focus,
+      :hover {
+        color: ${theme.colors.orangeDark};
+        background-image: none;
+        background-color: transparent;
+      }
+    `,
+    noRightBorderStyle: css`
+      label: noRightBorderStyle;
+      border-right: 0;
+    `,
+  };
+});
+
+interface TimeSyncButtonProps {
+  isSynced: boolean;
+  onClick: () => void;
+}
+
+export function TimeSyncButton(props: TimeSyncButtonProps) {
+  const { onClick, isSynced } = props;
+  const theme = useTheme();
+  const styles = getStyles(theme);
+
+  const syncTimesTooltip = () => {
+    const { isSynced } = props;
+    const tooltip = isSynced ? 'Unsync all views' : 'Sync all views to this time range';
+    return <>{tooltip}</>;
+  };
+
+  return (
+    <Tooltip content={syncTimesTooltip} placement="bottom">
+      <button
+        className={classNames('btn navbar-button navbar-button--attached', {
+          [styles.timePickerSynced]: isSynced,
+        })}
+        onClick={() => onClick()}
+      >
+        <i className="fa fa-link" />
+      </button>
+    </Tooltip>
+  );
+}

public/app/features/explore/state/actionTypes.ts

@@ -13,6 +13,7 @@ import { actionCreatorFactory, ActionOf } from 'app/core/redux/actionCreatorFact
 export enum ActionTypes {
   SplitOpen = 'explore/SPLIT_OPEN',
   ResetExplore = 'explore/RESET_EXPLORE',
+  SyncTimes = 'explore/SYNC_TIMES',
 }
 export interface SplitOpenAction {
   type: ActionTypes.SplitOpen;
@@ -26,6 +27,10 @@ export interface ResetExploreAction {
   payload: {};
 }
 
+export interface SyncTimesAction {
+  type: ActionTypes.SyncTimes;
+  payload: { syncedTimes: boolean };
+}
 /**  Lower order actions
  *
  */
@@ -165,6 +170,10 @@ export interface SplitOpenPayload {
   itemState: ExploreItemState;
 }
 
+export interface SyncTimesPayload {
+  syncedTimes: boolean;
+}
+
 export interface ToggleTablePayload {
   exploreId: ExploreId;
 }
@@ -352,6 +361,7 @@ export const splitCloseAction = actionCreatorFactory<SplitCloseActionPayload>('e
  */
 export const splitOpenAction = actionCreatorFactory<SplitOpenPayload>('explore/SPLIT_OPEN').create();
 
+export const syncTimesAction = actionCreatorFactory<SyncTimesPayload>('explore/SYNC_TIMES').create();
 /**
  * Update state of Explores UI elements (panels visiblity and deduplication  strategy)
  */
@@ -410,4 +420,5 @@ export type HigherOrderAction =
   | ActionOf<SplitCloseActionPayload>
   | SplitOpenAction
   | ResetExploreAction
+  | SyncTimesAction
   | ActionOf<any>;

public/app/features/explore/state/actions.ts

@@ -71,6 +71,7 @@ import {
   queryStreamUpdatedAction,
   queryStoreSubscriptionAction,
   clearOriginAction,
+  syncTimesAction,
 } from './actionTypes';
 import { ActionOf, ActionCreator } from 'app/core/redux/actionCreatorFactory';
 import { getTimeZone } from 'app/features/profile/state/selectors';
@@ -182,12 +183,19 @@ export const updateTimeRange = (options: {
   rawRange?: RawTimeRange;
   absoluteRange?: AbsoluteTimeRange;
 }): ThunkResult<void> => {
-  return dispatch => {
-    dispatch(updateTime({ ...options }));
-    dispatch(runQueries(options.exploreId));
+  return (dispatch, getState) => {
+    const { syncedTimes } = getState().explore;
+    if (syncedTimes) {
+      dispatch(updateTime({ ...options, exploreId: ExploreId.left }));
+      dispatch(runQueries(ExploreId.left));
+      dispatch(updateTime({ ...options, exploreId: ExploreId.right }));
+      dispatch(runQueries(ExploreId.right));
+    } else {
+      dispatch(updateTime({ ...options }));
+      dispatch(runQueries(options.exploreId));
+    }
   };
 };
-
 /**
  * Change the refresh interval of Explore. Called from the Refresh picker.
  */
@@ -675,6 +683,25 @@ export function splitOpen(): ThunkResult<void> {
 }
 
 /**
+ * Syncs time interval, if they are not synced on both panels in a split mode.
+ * Unsyncs time interval, if they are synced on both panels in a split mode.
+ */
+export function syncTimes(exploreId: ExploreId): ThunkResult<void> {
+  return (dispatch, getState) => {
+    if (exploreId === ExploreId.left) {
+      const leftState = getState().explore.left;
+      dispatch(updateTimeRange({ exploreId: ExploreId.right, rawRange: leftState.range.raw }));
+    } else {
+      const rightState = getState().explore.right;
+      dispatch(updateTimeRange({ exploreId: ExploreId.left, rawRange: rightState.range.raw }));
+    }
+    const isTimeSynced = getState().explore.syncedTimes;
+    dispatch(syncTimesAction({ syncedTimes: !isTimeSynced }));
+    dispatch(stateSave());
+  };
+}
+
+/**
  * Creates action to collapse graph/logs/table panel. When panel is collapsed,
  * queries won't be run
  */

public/app/features/explore/state/reducers.ts

@@ -129,6 +129,7 @@ export const createEmptyQueryResponse = (): PanelData => ({
 export const initialExploreItemState = makeExploreItemState();
 export const initialExploreState: ExploreState = {
   split: null,
+  syncedTimes: false,
   left: initialExploreItemState,
   right: initialExploreItemState,
 };
@@ -727,6 +728,9 @@ export const exploreReducer = (state = initialExploreState, action: HigherOrderA
     case ActionTypes.SplitOpen: {
       return { ...state, split: true, right: { ...action.payload.itemState } };
     }
+    case ActionTypes.SyncTimes: {
+      return { ...state, syncedTimes: action.payload.syncedTimes };
+    }
 
     case ActionTypes.ResetExplore: {
       if (action.payload.force || !Number.isInteger(state.left.originPanelId)) {

public/app/types/explore.ts

@@ -131,6 +131,10 @@ export interface ExploreState {
    */
   split: boolean;
   /**
+   * True if time interval for panels are synced. Only possible with split mode.
+   */
+  syncedTimes: boolean;
+  /**
    * Explore state of the left split (left is default in non-split view).
    */
   left: ExploreItemState;

public/test/mocks/mockExploreState.ts

@@ -72,9 +72,11 @@ export const mockExploreState = (options: any = {}) => {
     range,
   };
   const split: boolean = options.split || false;
+  const syncedTimes: boolean = options.syncedTimes || false;
   const explore: ExploreState = {
     left,
     right,
+    syncedTimes,
     split,
   };