mirror of https://github.com/grafana/grafana.git
660 lines
20 KiB
TypeScript
660 lines
20 KiB
TypeScript
import { css, cx } from '@emotion/css';
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import { GrafanaTheme2 } from '@grafana/data';
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import { t } from '@grafana/i18n';
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import { config } from '@grafana/runtime';
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import {
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SceneObjectState,
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SceneGridLayout,
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SceneObjectBase,
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SceneGridRow,
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VizPanel,
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sceneGraph,
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sceneUtils,
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SceneComponentProps,
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SceneGridItemLike,
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useSceneObjectState,
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SceneGridLayoutDragStartEvent,
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SceneObject,
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} from '@grafana/scenes';
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import { Spec as DashboardV2Spec } from '@grafana/schema/dist/esm/schema/dashboard/v2';
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import { useStyles2 } from '@grafana/ui';
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import { GRID_COLUMN_COUNT } from 'app/core/constants';
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import DashboardEmpty from 'app/features/dashboard/dashgrid/DashboardEmpty';
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import {
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dashboardEditActions,
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NewObjectAddedToCanvasEvent,
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ObjectRemovedFromCanvasEvent,
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ObjectsReorderedOnCanvasEvent,
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} from '../../edit-pane/shared';
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import { serializeDefaultGridLayout } from '../../serialization/layoutSerializers/DefaultGridLayoutSerializer';
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import { isRepeatCloneOrChildOf } from '../../utils/clone';
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import { dashboardSceneGraph } from '../../utils/dashboardSceneGraph';
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import {
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forceRenderChildren,
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getPanelIdForVizPanel,
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NEW_PANEL_HEIGHT,
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NEW_PANEL_WIDTH,
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getVizPanelKeyForPanelId,
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getGridItemKeyForPanelId,
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useDashboard,
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getLayoutOrchestratorFor,
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getDashboardSceneFor,
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} from '../../utils/utils';
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import { useSoloPanelContext } from '../SoloPanelContext';
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import { AutoGridItem } from '../layout-auto-grid/AutoGridItem';
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import { CanvasGridAddActions } from '../layouts-shared/CanvasGridAddActions';
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import { clearClipboard, getDashboardGridItemFromClipboard } from '../layouts-shared/paste';
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import { dashboardCanvasAddButtonHoverStyles } from '../layouts-shared/styles';
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import { getIsLazy } from '../layouts-shared/utils';
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import { DashboardLayoutManager } from '../types/DashboardLayoutManager';
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import { LayoutRegistryItem } from '../types/LayoutRegistryItem';
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import { DashboardGridItem } from './DashboardGridItem';
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import { RowRepeaterBehavior } from './RowRepeaterBehavior';
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import { findSpaceForNewPanel } from './findSpaceForNewPanel';
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import { RowActions } from './row-actions/RowActions';
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interface DefaultGridLayoutManagerState extends SceneObjectState {
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grid: SceneGridLayout;
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}
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export class DefaultGridLayoutManager
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extends SceneObjectBase<DefaultGridLayoutManagerState>
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implements DashboardLayoutManager
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{
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public static Component = DefaultGridLayoutManagerRenderer;
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public readonly isDashboardLayoutManager = true;
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public static readonly descriptor: LayoutRegistryItem = {
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get name() {
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return t('dashboard.default-layout.name', 'Custom');
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},
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get description() {
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return t('dashboard.default-layout.description', 'Position and size each panel individually');
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},
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id: 'GridLayout',
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createFromLayout: DefaultGridLayoutManager.createFromLayout,
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isGridLayout: true,
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icon: 'window-grid',
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};
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public serialize(): DashboardV2Spec['layout'] {
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return serializeDefaultGridLayout(this);
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}
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public readonly descriptor = DefaultGridLayoutManager.descriptor;
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public constructor(state: DefaultGridLayoutManagerState) {
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super(state);
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this.addActivationHandler(() => this._activationHandler());
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}
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public merge(other: DashboardLayoutManager) {
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if (!(other instanceof DefaultGridLayoutManager)) {
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throw new Error('Cannot merge non-default grid layout');
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}
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let offset = 0;
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for (const child of this.state.grid.state.children) {
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const newOffset = (child.state.y ?? 0) + (child.state.height ?? 0);
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if (newOffset > offset) {
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offset = newOffset;
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}
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}
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const sourceGrid = other.state.grid;
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const movedChildren = [...sourceGrid.state.children];
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for (const child of movedChildren) {
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const currentY = child.state.y ?? 0;
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child.setState({ y: currentY + offset });
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}
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// Remove from source and append to destination
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sourceGrid.setState({ children: [] });
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for (const child of movedChildren) {
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child.clearParent();
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}
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this.state.grid.setState({ children: [...this.state.grid.state.children, ...movedChildren] });
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}
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private _activationHandler() {
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if (config.featureToggles.dashboardNewLayouts) {
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this._subs.add(
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this.subscribeToEvent(SceneGridLayoutDragStartEvent, ({ payload: { evt, panel } }) =>
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getLayoutOrchestratorFor(this)?.startDraggingSync(evt, panel)
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)
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);
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}
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this._subs.add(
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this.state.grid.subscribeToState(({ children: newChildren }, { children: prevChildren }) => {
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if (newChildren.length === prevChildren.length) {
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this.publishEvent(new ObjectsReorderedOnCanvasEvent(this.state.grid), true);
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}
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})
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);
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}
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public addPanel(vizPanel: VizPanel) {
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const panelId = dashboardSceneGraph.getNextPanelId(this);
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vizPanel.setState({ key: getVizPanelKeyForPanelId(panelId) });
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vizPanel.clearParent();
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// With new edit mode we add panels to the bottom of the grid
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if (config.featureToggles.dashboardNewLayouts) {
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const emptySpace = findSpaceForNewPanel(this.state.grid);
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const newGridItem = new DashboardGridItem({
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...emptySpace,
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body: vizPanel,
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key: getGridItemKeyForPanelId(panelId),
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});
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dashboardEditActions.addElement({
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addedObject: vizPanel,
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source: this,
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perform: () => {
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this.state.grid.setState({ children: [...this.state.grid.state.children, newGridItem] });
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},
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undo: () => {
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this.state.grid.setState({
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children: this.state.grid.state.children.filter((child) => child !== newGridItem),
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});
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},
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});
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} else {
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const newGridItem = new DashboardGridItem({
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height: NEW_PANEL_HEIGHT,
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width: NEW_PANEL_WIDTH,
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x: 0,
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y: 0,
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body: vizPanel,
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key: getGridItemKeyForPanelId(panelId),
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});
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this.state.grid.setState({ children: [newGridItem, ...this.state.grid.state.children] });
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}
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}
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public pastePanel() {
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const emptySpace = findSpaceForNewPanel(this.state.grid);
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const newGridItem = getDashboardGridItemFromClipboard(getDashboardSceneFor(this), emptySpace);
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if (config.featureToggles.dashboardNewLayouts) {
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dashboardEditActions.edit({
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description: t('dashboard.edit-actions.paste-panel', 'Paste panel'),
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addedObject: newGridItem.state.body,
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source: this,
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perform: () => {
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this.state.grid.setState({ children: [...this.state.grid.state.children, newGridItem] });
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},
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undo: () => {
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this.state.grid.setState({
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children: this.state.grid.state.children.filter((child) => child !== newGridItem),
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});
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},
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});
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} else {
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this.state.grid.setState({ children: [...this.state.grid.state.children, newGridItem] });
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}
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clearClipboard();
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}
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public removePanel(panel: VizPanel) {
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const gridItem = panel.parent!;
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if (!(gridItem instanceof DashboardGridItem)) {
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throw new Error('Trying to remove panel that is not inside a DashboardGridItem');
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}
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const layout = this.state.grid;
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let row: SceneGridRow | undefined;
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try {
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row = sceneGraph.getAncestor(gridItem, SceneGridRow);
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} catch {
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row = undefined;
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}
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if (row) {
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row.setState({ children: row.state.children.filter((child) => child !== gridItem) });
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layout.forceRender();
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return;
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}
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if (!config.featureToggles.dashboardNewLayouts) {
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// No undo/redo support in legacy edit mode
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layout.setState({ children: layout.state.children.filter((child) => child !== gridItem) });
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return;
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}
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dashboardEditActions.removeElement({
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removedObject: gridItem.state.body,
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source: this,
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perform: () => layout.setState({ children: layout.state.children.filter((child) => child !== gridItem) }),
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undo: () => layout.setState({ children: [...layout.state.children, gridItem] }),
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});
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}
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public duplicatePanel(vizPanel: VizPanel) {
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const gridItem = vizPanel.parent;
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if (!(gridItem instanceof DashboardGridItem)) {
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console.error('Trying to duplicate a panel that is not inside a DashboardGridItem');
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return;
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}
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let panelState;
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let panelData;
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let newGridItem;
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const newPanelId = dashboardSceneGraph.getNextPanelId(this);
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const grid = this.state.grid;
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if (gridItem instanceof DashboardGridItem) {
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panelState = sceneUtils.cloneSceneObjectState(gridItem.state.body.state);
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panelData = sceneGraph.getData(gridItem.state.body).clone();
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} else {
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panelState = sceneUtils.cloneSceneObjectState(vizPanel.state);
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panelData = sceneGraph.getData(vizPanel).clone();
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}
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// when we duplicate a panel we don't want to clone the alert state
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delete panelData.state.data?.alertState;
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const newPanel = new VizPanel({
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...panelState,
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$data: panelData,
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key: getVizPanelKeyForPanelId(newPanelId),
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});
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newGridItem = new DashboardGridItem({
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x: gridItem.state.x,
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y: gridItem.state.y,
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height: gridItem.state.height,
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itemHeight: gridItem.state.height,
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width: gridItem.state.width,
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variableName: gridItem.state.variableName,
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repeatDirection: gridItem.state.repeatDirection,
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maxPerRow: gridItem.state.maxPerRow,
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key: getGridItemKeyForPanelId(newPanelId),
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body: newPanel,
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});
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// No undo/redo support in legacy edit mode
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if (!config.featureToggles.dashboardNewLayouts) {
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if (gridItem.parent instanceof SceneGridRow) {
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const row = gridItem.parent;
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row.setState({ children: [...row.state.children, newGridItem] });
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grid.forceRender();
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return;
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}
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grid.setState({ children: [...grid.state.children, newGridItem] });
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this.publishEvent(new NewObjectAddedToCanvasEvent(newPanel), true);
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return;
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}
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const parent = gridItem.parent instanceof SceneGridRow ? gridItem.parent : grid;
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dashboardEditActions.edit({
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description: t('dashboard.edit-actions.duplicate-panel', 'Duplicate panel'),
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addedObject: newGridItem.state.body,
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source: this,
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perform: () => {
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const oldGridItemIndex = parent.state.children.indexOf(gridItem);
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const newChildrenArray = [...parent.state.children];
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newChildrenArray.splice(oldGridItemIndex + 1, 0, newGridItem);
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parent.setState({ children: newChildrenArray });
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},
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undo: () => {
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parent.setState({
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children: parent.state.children.filter((child) => child !== newGridItem),
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});
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},
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});
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}
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public duplicate(): DashboardLayoutManager {
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const children = this.state.grid.state.children;
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const hasGridItem = children.find((child) => child instanceof DashboardGridItem);
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const clonedChildren: SceneGridItemLike[] = [];
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if (children.length) {
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let panelId = hasGridItem ? dashboardSceneGraph.getNextPanelId(hasGridItem.state.body) : 1;
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children.forEach((child) => {
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if (child instanceof DashboardGridItem) {
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const clone = child.clone({
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key: undefined,
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body: child.state.body.clone({
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key: getVizPanelKeyForPanelId(panelId),
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}),
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});
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clonedChildren.push(clone);
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panelId++;
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} else {
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clonedChildren.push(child.clone({ key: undefined }));
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}
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});
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}
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const clone = this.clone({
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key: undefined,
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grid: this.state.grid.clone({
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key: undefined,
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children: clonedChildren,
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}),
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});
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return clone;
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}
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public getVizPanels(): VizPanel[] {
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const panels: VizPanel[] = [];
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this.state.grid.forEachChild((child) => {
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if (!(child instanceof DashboardGridItem) && !(child instanceof SceneGridRow)) {
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throw new Error('Child is not a DashboardGridItem or SceneGridRow, invalid scene');
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}
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if (child instanceof DashboardGridItem && child.state.body instanceof VizPanel) {
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panels.push(child.state.body);
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} else if (child instanceof SceneGridRow) {
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child.forEachChild((child) => {
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if (child instanceof DashboardGridItem && child.state.body instanceof VizPanel) {
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panels.push(child.state.body);
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}
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});
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}
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});
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return panels;
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}
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public addNewRow(): SceneGridRow {
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const id = dashboardSceneGraph.getNextPanelId(this);
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const row = new SceneGridRow({
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key: getVizPanelKeyForPanelId(id),
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title: t('dashboard-scene.default-grid-layout-manager.row.title.row-title', 'Row title'),
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actions: new RowActions({}),
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y: 0,
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});
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const sceneGridLayout = this.state.grid;
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// find all panels until the first row and put them into the newly created row. If there are no other rows,
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// add all panels to the row. If there are no panels just create an empty row
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const indexTillNextRow = sceneGridLayout.state.children.findIndex((child) => child instanceof SceneGridRow);
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const rowChildren = sceneGridLayout.state.children
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.splice(0, indexTillNextRow === -1 ? sceneGridLayout.state.children.length : indexTillNextRow)
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.map((child) => child.clone());
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if (rowChildren) {
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row.setState({ children: rowChildren });
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}
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sceneGridLayout.setState({ children: [row, ...sceneGridLayout.state.children] });
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this.publishEvent(new NewObjectAddedToCanvasEvent(row), true);
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return row;
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}
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public editModeChanged(isEditing: boolean) {
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const updateResizeAndDragging = () => {
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this.state.grid.setState({ isDraggable: isEditing, isResizable: isEditing });
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forceRenderChildren(this.state.grid, true);
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};
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if (config.featureToggles.dashboardNewLayouts) {
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// We do this in a timeout to wait a bit with enabling dragging as dragging enables grid animations
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// if we show the edit pane without animations it opens much faster and feels more responsive
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setTimeout(updateResizeAndDragging, 10);
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return;
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}
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updateResizeAndDragging();
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}
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public activateRepeaters() {
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if (!this.isActive) {
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this.activate();
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}
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if (!this.state.grid.isActive) {
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this.state.grid.activate();
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}
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this.state.grid.forEachChild((child) => {
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if (child instanceof DashboardGridItem && !child.isActive) {
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child.activate();
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return;
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}
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if (child instanceof SceneGridRow && child.state.$behaviors) {
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for (const behavior of child.state.$behaviors) {
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if (behavior instanceof RowRepeaterBehavior && !child.isActive) {
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child.activate();
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break;
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}
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}
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child.state.children.forEach((child) => {
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if (child instanceof DashboardGridItem && !child.isActive) {
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child.activate();
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return;
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}
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});
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}
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});
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}
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public getOutlineChildren(): SceneObject[] {
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const children: SceneObject[] = [];
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for (const child of this.state.grid.state.children) {
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// Flatten repeated grid items
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if (child instanceof DashboardGridItem) {
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children.push(child.state.body, ...(child.state.repeatedPanels || []));
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}
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}
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return children;
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}
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public cloneLayout(ancestorKey: string, isSource: boolean): DashboardLayoutManager {
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return this.clone({});
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}
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public removeRow(row: SceneGridRow, removePanels = false) {
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const sceneGridLayout = this.state.grid;
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const children = sceneGridLayout.state.children.filter((child) => child.state.key !== row.state.key);
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if (!removePanels) {
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const rowChildren = row.state.children.map((child) => child.clone());
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const indexOfRow = sceneGridLayout.state.children.findIndex((child) => child.state.key === row.state.key);
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children.splice(indexOfRow, 0, ...rowChildren);
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}
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this.publishEvent(new ObjectRemovedFromCanvasEvent(row), true);
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sceneGridLayout.setState({ children });
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}
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public collapseAllRows() {
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this.state.grid.state.children.forEach((child) => {
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if (!(child instanceof SceneGridRow)) {
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return;
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}
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if (!child.state.isCollapsed) {
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this.state.grid.toggleRow(child);
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}
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});
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}
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public expandAllRows() {
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this.state.grid.state.children.forEach((child) => {
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if (!(child instanceof SceneGridRow)) {
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return;
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}
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if (child.state.isCollapsed) {
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this.state.grid.toggleRow(child);
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}
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});
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}
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public static createFromLayout(currentLayout: DashboardLayoutManager): DefaultGridLayoutManager {
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const panels = currentLayout.getVizPanels();
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const isLazy = getIsLazy(getDashboardSceneFor(currentLayout).state.preload)!;
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return DefaultGridLayoutManager.fromVizPanels(panels, isLazy);
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}
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public static fromVizPanels(panels: VizPanel[] = [], isLazy?: boolean | undefined): DefaultGridLayoutManager {
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const children: DashboardGridItem[] = [];
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const panelHeight = 10;
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const panelWidth = GRID_COLUMN_COUNT / 3;
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let currentY = 0;
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let currentX = 0;
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|
for (let panel of panels) {
|
|
const variableName = panel.parent instanceof AutoGridItem ? panel.parent.state.variableName : undefined;
|
|
|
|
panel.clearParent();
|
|
|
|
children.push(
|
|
new DashboardGridItem({
|
|
key: getGridItemKeyForPanelId(getPanelIdForVizPanel(panel)),
|
|
x: currentX,
|
|
y: currentY,
|
|
width: panelWidth,
|
|
height: panelHeight,
|
|
itemHeight: panelHeight,
|
|
body: panel,
|
|
variableName,
|
|
})
|
|
);
|
|
|
|
currentX += panelWidth;
|
|
|
|
if (currentX + panelWidth > GRID_COLUMN_COUNT) {
|
|
currentX = 0;
|
|
currentY += panelHeight;
|
|
}
|
|
}
|
|
|
|
return new DefaultGridLayoutManager({
|
|
grid: new SceneGridLayout({
|
|
children: children,
|
|
isDraggable: true,
|
|
isResizable: true,
|
|
isLazy,
|
|
}),
|
|
});
|
|
}
|
|
|
|
public static fromGridItems(
|
|
gridItems: SceneGridItemLike[],
|
|
isDraggable?: boolean,
|
|
isResizable?: boolean,
|
|
isLazy?: boolean | undefined
|
|
): DefaultGridLayoutManager {
|
|
const children = gridItems.reduce<SceneGridItemLike[]>((acc, gridItem) => {
|
|
gridItem.clearParent();
|
|
acc.push(gridItem);
|
|
|
|
return acc;
|
|
}, []);
|
|
|
|
return new DefaultGridLayoutManager({
|
|
grid: new SceneGridLayout({
|
|
children,
|
|
isDraggable,
|
|
isResizable,
|
|
isLazy,
|
|
}),
|
|
});
|
|
}
|
|
}
|
|
|
|
function DefaultGridLayoutManagerRenderer({ model }: SceneComponentProps<DefaultGridLayoutManager>) {
|
|
const { children } = useSceneObjectState(model.state.grid, { shouldActivateOrKeepAlive: true });
|
|
const dashboard = useDashboard(model);
|
|
const { isEditing } = dashboard.useState();
|
|
const hasClonedParents = isRepeatCloneOrChildOf(model);
|
|
const styles = useStyles2(getStyles);
|
|
const showCanvasActions = isEditing && config.featureToggles.dashboardNewLayouts && !hasClonedParents;
|
|
const soloPanelContext = useSoloPanelContext();
|
|
|
|
if (soloPanelContext) {
|
|
return children.map((child) => <child.Component model={child} key={child.state.key!} />);
|
|
}
|
|
|
|
// If we are top level layout and we have no children, show empty state
|
|
if (model.parent === dashboard && children.length === 0) {
|
|
return (
|
|
<DashboardEmpty dashboard={dashboard} canCreate={!!dashboard.state.meta.canEdit} key="dashboard-empty-state" />
|
|
);
|
|
}
|
|
|
|
return (
|
|
<div className={cx(styles.container, isEditing && styles.containerEditing)}>
|
|
{model.state.grid.Component && <model.state.grid.Component model={model.state.grid} />}
|
|
{showCanvasActions && (
|
|
<div className={styles.actionsWrapper}>
|
|
<CanvasGridAddActions layoutManager={model} />
|
|
</div>
|
|
)}
|
|
</div>
|
|
);
|
|
}
|
|
|
|
const OriginalSceneGridRowRenderer = SceneGridRow.Component;
|
|
// @ts-expect-error
|
|
SceneGridRow.Component = SceneGridRowRenderer;
|
|
|
|
function SceneGridRowRenderer({ model }: SceneComponentProps<SceneGridRow>) {
|
|
const soloPanelContext = useSoloPanelContext();
|
|
|
|
if (soloPanelContext) {
|
|
return model.state.children.map((child) => <child.Component model={child} key={child.state.key!} />);
|
|
}
|
|
|
|
return <OriginalSceneGridRowRenderer model={model} />;
|
|
}
|
|
|
|
function getStyles(theme: GrafanaTheme2) {
|
|
return {
|
|
container: css({
|
|
width: '100%',
|
|
display: 'flex',
|
|
flexGrow: 1,
|
|
flexDirection: 'column',
|
|
}),
|
|
containerEditing: css({
|
|
// In editing the add actions should live at the bottom of the grid so we have to
|
|
// disable flex grow on the SceneGridLayouts first div
|
|
'> div:first-child': {
|
|
flexGrow: `0 !important`,
|
|
minHeight: '250px',
|
|
},
|
|
...dashboardCanvasAddButtonHoverStyles,
|
|
}),
|
|
actionsWrapper: css({
|
|
position: 'relative',
|
|
paddingBottom: theme.spacing(5),
|
|
}),
|
|
};
|
|
}
|