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feat: table support resize column width
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| --- | ||
| '@alauda/ui': minor | ||
| --- | ||
|
|
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| - feat: table support resize column width |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,247 @@ | ||
| import { | ||
| AfterViewInit, | ||
| Directive, | ||
| ElementRef, | ||
| inject, | ||
| Input, | ||
| Renderer2, | ||
| } from '@angular/core'; | ||
| import { | ||
| fromEvent, | ||
| map, | ||
| merge, | ||
| Subscription, | ||
| switchMap, | ||
| take, | ||
| takeUntil, | ||
| } from 'rxjs'; | ||
|
|
||
| import { buildBem } from '../utils'; | ||
|
|
||
| import { TableColumnDefDirective } from './table-column-def.directive'; | ||
| import { tableBem, TableComponent } from './table.component'; | ||
|
|
||
| let tableColumnResizableID = 0; | ||
|
|
||
| const resizableBem = buildBem('aui-table-column-resizable'); | ||
| const markLineWidth = 1; | ||
|
|
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| @Directive({ | ||
| selector: '[auiTableColumnResizable]', | ||
| standalone: true, | ||
| }) | ||
| export class TableColumnResizableDirective implements AfterViewInit { | ||
| @Input() | ||
| minWidth = '40px'; | ||
|
|
||
| @Input() | ||
| maxWidth = '80%'; | ||
|
|
||
| private readonly renderer2 = inject(Renderer2); | ||
| private readonly tableColumnDefDirective = inject(TableColumnDefDirective); | ||
| private readonly tableComponent = inject(TableComponent); | ||
|
|
||
| private readonly columnElement: HTMLElement = | ||
| inject(ElementRef).nativeElement; | ||
|
|
||
| private readonly containerElement: HTMLElement = | ||
| this.tableComponent.elementRef.nativeElement; | ||
|
|
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| private styleElement: HTMLStyleElement; | ||
| private hostAttr: string; | ||
| private resizeSubscription: Subscription; | ||
|
|
||
| ngAfterViewInit() { | ||
| const resizeHandle = this.createResizeHandle(); | ||
| this.bindResizable(resizeHandle); | ||
| } | ||
|
|
||
| ngOnDestroy() { | ||
| this.resizeSubscription?.unsubscribe(); | ||
| this.styleElement?.remove(); | ||
| if (this.hostAttr) { | ||
| this.containerElement.removeAttribute(this.hostAttr); | ||
| } | ||
| } | ||
|
|
||
| private bindResizable(resizeHandle: HTMLElement) { | ||
| this.resizeSubscription = fromEvent<MouseEvent>(resizeHandle, 'mousedown') | ||
| .pipe( | ||
| switchMap(mouseDownEvent => { | ||
| mouseDownEvent.preventDefault(); | ||
| mouseDownEvent.stopPropagation(); | ||
|
|
||
| this.renderer2.setStyle(resizeHandle, 'visibility', 'hidden'); | ||
| const resizeRange = this.getResizeRange(); | ||
| const initialMouseX = mouseDownEvent.clientX; | ||
| const columnWidth = this.getColumnWidth(); | ||
| const columnOffset = this.getColumnOffset(); | ||
| const resizeMarkLine = this.createResizeMarkLine( | ||
| columnOffset + columnWidth, | ||
| ); | ||
| const resizeOverlay = this.createResizeOverlay(); | ||
|
|
||
| const mouseUp$ = fromEvent<MouseEvent>(document, 'mouseup').pipe( | ||
| take(1), | ||
| ); | ||
| const mouseMove$ = fromEvent<MouseEvent>(document, 'mousemove').pipe( | ||
| takeUntil(mouseUp$), | ||
| ); | ||
|
|
||
| return merge( | ||
| mouseMove$.pipe( | ||
| map( | ||
| mouseMoveEvent => () => | ||
| resizeMarkLine.updateOffset( | ||
| columnOffset + | ||
| this.getWidthInRange( | ||
| resizeRange, | ||
| columnWidth + mouseMoveEvent.clientX - initialMouseX, | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| mouseUp$.pipe( | ||
| map(mouseUpEvent => () => { | ||
| this.renderer2.removeStyle(resizeHandle, 'visibility'); | ||
| resizeMarkLine.destroy(); | ||
| resizeOverlay.destroy(); | ||
|
|
||
| this.renderWidthStyles( | ||
| this.getWidthInRange( | ||
| resizeRange, | ||
| columnWidth + mouseUpEvent.clientX - initialMouseX, | ||
| ), | ||
| ); | ||
| }), | ||
| ), | ||
| ); | ||
| }), | ||
| ) | ||
| .subscribe(exec => { | ||
| exec(); | ||
| }); | ||
| } | ||
|
|
||
| private createResizeHandle() { | ||
| const resizeHandle: HTMLDivElement = this.renderer2.createElement('div'); | ||
| this.renderer2.addClass(resizeHandle, resizableBem.element('handle')); | ||
| this.renderer2.appendChild(this.columnElement, resizeHandle); | ||
|
|
||
| return resizeHandle; | ||
| } | ||
|
|
||
| private createResizeMarkLine(initialOffset: number) { | ||
| const markLine: HTMLElement = this.renderer2.createElement('div'); | ||
| this.renderer2.addClass(markLine, resizableBem.element('mark-line')); | ||
| this.renderer2.setStyle( | ||
| markLine, | ||
| 'left', | ||
| initialOffset - markLineWidth + 'px', | ||
| ); | ||
| if (this.isStickyLeftBorderColumn()) { | ||
| this.renderer2.addClass(markLine, 'inStickyBorderElemLeft'); | ||
| } | ||
| this.renderer2.appendChild(this.containerElement, markLine); | ||
| return { | ||
| element: markLine, | ||
| updateOffset: (offset: number) => { | ||
| this.renderer2.setStyle( | ||
| markLine, | ||
| 'left', | ||
| offset - markLineWidth + 'px', | ||
| ); | ||
| }, | ||
| destroy: () => { | ||
| this.renderer2.removeChild(this.containerElement, markLine); | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| private createResizeOverlay() { | ||
| const resizeOverlay = this.renderer2.createElement('div'); | ||
| this.renderer2.addClass(resizeOverlay, resizableBem.element('overlay')); | ||
| this.renderer2.appendChild(this.containerElement, resizeOverlay); | ||
| return { | ||
| element: resizeOverlay, | ||
| destroy: () => { | ||
| this.renderer2.removeChild(this.containerElement, resizeOverlay); | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| private getColumnWidth() { | ||
| return this.columnElement.clientWidth; | ||
| } | ||
|
|
||
| private getColumnOffset() { | ||
| return ( | ||
| this.columnElement.getBoundingClientRect().left - | ||
| this.containerElement.getBoundingClientRect().left | ||
| ); | ||
| } | ||
|
|
||
| private getWidthInRange( | ||
| [minWidth, maxWidth]: [number, number], | ||
| width: number, | ||
| ): number { | ||
| return Math.min(Math.max(width, minWidth), maxWidth); | ||
| } | ||
|
|
||
| private getResizeRange(): [number, number] { | ||
| const minWidth = this.getActualWidth(this.minWidth); | ||
| const maxWidth = this.getActualWidth(this.maxWidth); | ||
| return [minWidth, maxWidth]; | ||
| } | ||
|
|
||
| private getActualWidth(width: number | string): number { | ||
| if (typeof width === 'number') { | ||
| return width; | ||
| } | ||
| if (width.endsWith('%')) { | ||
| return ( | ||
| (this.containerElement.clientWidth * parseInt(width.slice(0, -1))) / 100 | ||
| ); | ||
| } | ||
| if (width.endsWith('px')) { | ||
| return parseInt(width.slice(0, -2)); | ||
| } | ||
| return parseInt(width); | ||
| } | ||
|
|
||
| private isStickyLeftBorderColumn() { | ||
| return this.columnElement.classList.contains( | ||
| 'aui-table-sticky-border-elem-left', | ||
| ); | ||
| } | ||
|
|
||
| private renderWidthStyles(width: number) { | ||
| const className = tableBem.element( | ||
| `column-${this.tableColumnDefDirective.cssClassFriendlyName}`, | ||
| ); | ||
| if (!this.hostAttr) { | ||
| this.hostAttr = `table-resizable-${tableColumnResizableID++}`; | ||
| this.containerElement.setAttribute(this.hostAttr, ''); | ||
| } | ||
| const styleString = ` | ||
| [${this.hostAttr}] .${className} { | ||
| flex: none !important; | ||
| width: ${width}px !important; | ||
| min-width: ${width}px !important; | ||
| max-width: ${width}px !important; | ||
| } | ||
| `; | ||
| if (this.styleElement) { | ||
| this.styleElement.innerHTML = styleString; | ||
| } else { | ||
| this.styleElement = this.renderer2.createElement('style'); | ||
| this.styleElement.innerHTML = styleString; | ||
| this.renderer2.appendChild( | ||
| document.querySelector('head'), | ||
| this.styleElement, | ||
| ); | ||
| } | ||
|
|
||
| this.tableComponent.updateStickyColumnStyles(); | ||
| } | ||
| } |
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