diff --git a/packages/g6/__tests__/demos/behavior-optimize-viewport-transform.ts b/packages/g6/__tests__/demos/behavior-optimize-viewport-transform.ts new file mode 100644 index 00000000000..0179f7fa3d7 --- /dev/null +++ b/packages/g6/__tests__/demos/behavior-optimize-viewport-transform.ts @@ -0,0 +1,31 @@ +import { Graph } from '@/src'; +import data from '@@/dataset/cluster.json'; + +export const behaviorOptimizeViewportTransform: TestCase = async (context) => { + const graph = new Graph({ + ...context, + data, + layout: { + type: 'd3-force', + }, + node: { + style: { + iconSrc: 'https://gw.alipayobjects.com/zos/basement_prod/012bcf4f-423b-4922-8c24-32a89f8c41ce.svg', + labelFontSize: 8, + labelText: (datum) => datum.id, + size: 20, + }, + }, + edge: { + style: { + labelFontSize: 8, + labelText: (datum) => datum.id, + }, + }, + behaviors: ['drag-canvas', 'zoom-canvas', 'scroll-canvas', 'optimize-viewport-transform'], + }); + + await graph.render(); + + return graph; +}; diff --git a/packages/g6/__tests__/demos/index.ts b/packages/g6/__tests__/demos/index.ts index 0b426c3b385..ba6f25b071a 100644 --- a/packages/g6/__tests__/demos/index.ts +++ b/packages/g6/__tests__/demos/index.ts @@ -15,6 +15,7 @@ export { behaviorExpandCollapseNode } from './behavior-expand-collapse-node'; export { behaviorFocusElement } from './behavior-focus-element'; export { behaviorHoverActivate } from './behavior-hover-activate'; export { behaviorLassoSelect } from './behavior-lasso-select'; +export { behaviorOptimizeViewportTransform } from './behavior-optimize-viewport-transform'; export { behaviorScrollCanvas } from './behavior-scroll-canvas'; export { behaviorZoomCanvas } from './behavior-zoom-canvas'; export { caseIndentedTree } from './case-indented-tree'; diff --git a/packages/g6/__tests__/snapshots/behaviors/optimize-viewport-transform/after-viewport-change.svg b/packages/g6/__tests__/snapshots/behaviors/optimize-viewport-transform/after-viewport-change.svg new file mode 100644 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00000000000..3c9eeb29f76 --- /dev/null +++ b/packages/g6/__tests__/unit/behaviors/optimize-viewport-transform.spec.ts @@ -0,0 +1,36 @@ +import { behaviorOptimizeViewportTransform } from '@/__tests__/demos'; +import { GraphEvent, type Graph } from '@/src'; +import { createDemoGraph } from '@@/utils'; + +describe('behavior optimize canvas', () => { + let graph: Graph; + + beforeAll(async () => { + graph = await createDemoGraph(behaviorOptimizeViewportTransform, { animation: false }); + }); + + it('viewport', async () => { + await expect(graph).toMatchSnapshot(__filename); + + graph.emit(GraphEvent.BEFORE_TRANSFORM, { + type: GraphEvent.BEFORE_TRANSFORM, + data: { + mode: 'relative', + translate: [0, -3], + }, + }); + await expect(graph).toMatchSnapshot(__filename, 'viewport-change'); + graph.emit(GraphEvent.AFTER_TRANSFORM, { + type: GraphEvent.AFTER_TRANSFORM, + data: { + mode: 'relative', + translate: [0, -1], + }, + }); + await expect(graph).toMatchSnapshot(__filename, 'after-viewport-change'); + }); + + it('destroy', () => { + graph.destroy(); + }); +}); diff --git a/packages/g6/src/behaviors/index.ts b/packages/g6/src/behaviors/index.ts index 85972af6bf6..8f05867237b 100644 --- a/packages/g6/src/behaviors/index.ts +++ b/packages/g6/src/behaviors/index.ts @@ -9,6 +9,7 @@ export { DragElementForce } from './drag-element-force'; export { FocusElement } from './focus-element'; export { HoverActivate } from './hover-activate'; export { LassoSelect } from './lasso-select'; +export { OptimizeViewportTransform } from './optimize-viewport-transform'; export { ScrollCanvas } from './scroll-canvas'; export { ZoomCanvas } from './zoom-canvas'; @@ -23,5 +24,6 @@ export type { DragElementForceOptions } from './drag-element-force'; export type { FocusElementOptions } from './focus-element'; export type { HoverActivateOptions } from './hover-activate'; export type { LassoSelectOptions } from './lasso-select'; +export type { OptimizeViewportTransformOptions } from './optimize-viewport-transform'; export type { ScrollCanvasOptions } from './scroll-canvas'; export type { ZoomCanvasOptions } from './zoom-canvas'; diff --git a/packages/g6/src/behaviors/optimize-viewport-transform.ts b/packages/g6/src/behaviors/optimize-viewport-transform.ts new file mode 100644 index 00000000000..9b3a9671ef6 --- /dev/null +++ b/packages/g6/src/behaviors/optimize-viewport-transform.ts @@ -0,0 +1,127 @@ +import type { BaseStyleProps, DisplayObject } from '@antv/g'; +import { debounce, isFunction } from '@antv/util'; +import { GraphEvent } from '../constants'; +import type { RuntimeContext } from '../runtime/types'; +import type { IViewportEvent } from '../types/event'; +import { setVisibility } from '../utils/visibility'; +import type { BaseBehaviorOptions } from './base-behavior'; +import { BaseBehavior } from './base-behavior'; + +/** + * 画布优化交互配置项 + * + * Canvas optimization behavior options + */ +export interface OptimizeViewportTransformOptions extends BaseBehaviorOptions { + /** + * 是否启用画布优化功能 + * + * Whether to enable canvas optimization function + * @defaultValue true + */ + enable?: boolean | ((event: IViewportEvent) => boolean); + /** + * 始终保留的图形类名。操作画布过程中会隐藏元素reservedShapes（除了指定类名的图形），以提高性能 + * + * Persistently reserved shape classnames. Elements are hidden during canvas manipulation (except for shapes with specified classnames) to enhance performance. + * @defaultValue `{ node: ['key'] }` + */ + shapes?: { + node?: string[]; + edge?: string[]; + combo?: string[]; + }; + /** + * 设置防抖时间 + * + * Set debounce time + * @defaultValue 200 + */ + debounce?: number; +} + +/** + * 操作画布过程中隐藏元素 + * + * Hide elements during canvas operations (dragging, zooming, scrolling) + */ +export class OptimizeViewportTransform extends BaseBehavior { + static defaultOptions: Partial = { + enable: true, + debounce: 200, + shapes: { node: ['key'] }, + }; + + private isVisible: boolean = true; + + constructor(context: RuntimeContext, options: OptimizeViewportTransformOptions) { + super(context, Object.assign({}, OptimizeViewportTransform.defaultOptions, options)); + this.bindEvents(); + } + + private filterShapes = (shapes: DisplayObject[], classnames?: string[]) => { + return shapes.filter((shape) => shape.className && !classnames?.includes(shape.className)); + }; + + private setElementsVisibility = ( + elements: DisplayObject[], + visibility: BaseStyleProps['visibility'], + excludedClassnames?: string[], + ) => { + elements.forEach((element) => { + setVisibility( + element, + visibility, + excludedClassnames && ((shapes) => this.filterShapes(shapes, excludedClassnames)), + ); + }); + }; + + private hideShapes = (event: IViewportEvent) => { + if (!this.validate(event) || !this.isVisible) return; + + const { element } = this.context; + const { shapes = {} } = this.options; + this.setElementsVisibility(element!.getNodes(), 'hidden', shapes.node); + this.setElementsVisibility(element!.getEdges(), 'hidden', shapes.edge); + this.setElementsVisibility(element!.getCombos(), 'hidden', shapes.combo); + this.isVisible = false; + }; + + private showShapes = debounce((event: IViewportEvent) => { + if (!this.validate(event) || this.isVisible) return; + + const { element } = this.context; + this.setElementsVisibility(element!.getNodes(), 'visible'); + this.setElementsVisibility(element!.getEdges(), 'visible'); + this.setElementsVisibility(element!.getCombos(), 'visible'); + this.isVisible = true; + }, this.options.debounce); + + private bindEvents() { + const { graph } = this.context; + + graph.on(GraphEvent.BEFORE_TRANSFORM, this.hideShapes); + graph.on(GraphEvent.AFTER_TRANSFORM, this.showShapes); + } + + private unbindEvents() { + const { graph } = this.context; + + graph.off(GraphEvent.BEFORE_TRANSFORM, this.hideShapes); + graph.off(GraphEvent.AFTER_TRANSFORM, this.showShapes); + } + + private validate(event: IViewportEvent) { + if (this.destroyed) return false; + + const { enable } = this.options; + if (isFunction(enable)) return enable(event); + return !!enable; + } + + public destroy() { + this.unbindEvents(); + super.destroy(); + } +} diff --git a/packages/g6/src/registry/build-in.ts b/packages/g6/src/registry/build-in.ts index 4dad0748615..06746e0a760 100644 --- a/packages/g6/src/registry/build-in.ts +++ b/packages/g6/src/registry/build-in.ts @@ -10,6 +10,7 @@ import { FocusElement, HoverActivate, LassoSelect, + OptimizeViewportTransform, ScrollCanvas, ZoomCanvas, } from '../behaviors'; @@ -94,18 +95,19 @@ export const BUILT_IN_EXTENSIONS: ExtensionRegistry = { translate: Translate, }, behavior: { - 'zoom-canvas': ZoomCanvas, + 'brush-select': BrushSelect, + 'click-select': ClickSelect, + 'collapse-expand': CollapseExpand, + 'create-edge': CreateEdge, 'drag-canvas': DragCanvas, - 'drag-element': DragElement, 'drag-element-force': DragElementForce, - 'scroll-canvas': ScrollCanvas, - 'collapse-expand': CollapseExpand, - 'click-select': ClickSelect, - 'hover-activate': HoverActivate, + 'drag-element': DragElement, 'focus-element': FocusElement, - 'create-edge': CreateEdge, - 'brush-select': BrushSelect, + 'hover-activate': HoverActivate, 'lasso-select': LassoSelect, + 'optimize-viewport-transform': OptimizeViewportTransform, + 'scroll-canvas': ScrollCanvas, + 'zoom-canvas': ZoomCanvas, }, combo: { circle: CircleCombo, diff --git a/packages/g6/src/utils/visibility.ts b/packages/g6/src/utils/visibility.ts index f3074512601..a1d8cfd112e 100644 --- a/packages/g6/src/utils/visibility.ts +++ b/packages/g6/src/utils/visibility.ts @@ -10,13 +10,20 @@ const PropertyKey = 'visibility'; * Set the visibility of the shape instance * @param shape - 图形实例 | shape instance * @param visibility - 可见性 | visibility + * @param filter - 筛选出需要设置可见性的图形 | Filter out the shapes that need to set visibility * @remarks * 在设置 enableCSSParsing 为 false 的情况下，复合图形无法继承父属性，因此需要对所有子图形应用相同的可见性 * * After setting enableCSSParsing to false, the compound shape cannot inherit the parent attribute, so the same visibility needs to be applied to all child shapes */ -export function setVisibility(shape: DisplayObject, visibility: BaseStyleProps['visibility']) { - const shapes = [shape, ...getDescendantShapes(shape)]; +export function setVisibility( + shape: DisplayObject, + visibility: BaseStyleProps['visibility'], + filter?: (shapes: DisplayObject[]) => DisplayObject[], +) { + let shapes = [shape, ...getDescendantShapes(shape)]; + + if (filter) shapes = filter?.(shapes); shapes.forEach((sp) => { if (!hasCachedStyle(sp, PropertyKey)) cacheStyle(sp, PropertyKey); diff --git a/packages/site/examples/behavior/canvas/demo/meta.json b/packages/site/examples/behavior/canvas/demo/meta.json index 63a5784fc9f..28c05432d5d 100644 --- a/packages/site/examples/behavior/canvas/demo/meta.json +++ b/packages/site/examples/behavior/canvas/demo/meta.json @@ -27,6 +27,22 @@ "en": "Scroll Y" }, "screenshot": "https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*c5DCSoAYsZQAAAAAAAAAAAAADmJ7AQ/original" + }, + { + "filename": "zoom.js", + "title": { + "zh": "缩放画布", + "en": "Zoom Canvas" + }, + "screenshot": "https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*1AXoRY9Bw-0AAAAAAAAAAAAADmJ7AQ/original" + }, + { + "filename": "optimize.js", + "title": { + "zh": "拖拽缩放画布时隐藏元素", + "en": "Hide Elements When Dragging and Zooming" + }, + "screenshot": "https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*AZ4IRJkIZr8AAAAAAAAAAAAADmJ7AQ/original" } ] } diff --git a/packages/site/examples/behavior/canvas/demo/optimize.js b/packages/site/examples/behavior/canvas/demo/optimize.js new file mode 100644 index 00000000000..7519de77ce1 --- /dev/null +++ b/packages/site/examples/behavior/canvas/demo/optimize.js @@ -0,0 +1,27 @@ +import { Graph } from '@antv/g6'; + +const graph = new Graph({ + container: 'container', + layout: { + type: 'grid', + }, + data: { + nodes: [{ id: 'node1' }, { id: 'node2' }, { id: 'node3' }, { id: 'node4' }, { id: 'node5' }], + edges: [ + { source: 'node1', target: 'node2' }, + { source: 'node1', target: 'node3' }, + { source: 'node1', target: 'node4' }, + { source: 'node2', target: 'node3' }, + { source: 'node3', target: 'node4' }, + { source: 'node4', target: 'node5' }, + ], + }, + node: { + style: { + labelText: (datum) => datum.id, + }, + }, + behaviors: ['zoom-canvas', 'drag-canvas', 'scroll-canvas', 'optimize-viewport-transform'], +}); + +graph.render(); diff --git a/packages/site/examples/behavior/canvas/demo/zoom.js b/packages/site/examples/behavior/canvas/demo/zoom.js new file mode 100644 index 00000000000..dba081c0e57 --- /dev/null +++ b/packages/site/examples/behavior/canvas/demo/zoom.js @@ -0,0 +1,22 @@ +import { Graph } from '@antv/g6'; + +const graph = new Graph({ + container: 'container', + layout: { + type: 'grid', + }, + data: { + nodes: [{ id: 'node1' }, { id: 'node2' }, { id: 'node3' }, { id: 'node4' }, { id: 'node5' }], + edges: [ + { source: 'node1', target: 'node2' }, + { source: 'node1', target: 'node3' }, + { source: 'node1', target: 'node4' }, + { source: 'node2', target: 'node3' }, + { source: 'node3', target: 'node4' }, + { source: 'node4', target: 'node5' }, + ], + }, + behaviors: ['zoom-canvas'], +}); + +graph.render();