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feat(gantt-table): add width in gantt column
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -2,5 +2,4 @@ | |
| height: 100%; | ||
| margin: 20px; | ||
| display: block; | ||
| border: 1px solid #ddd; | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| import { Injectable } from '@angular/core'; | ||
| import { GanttDomService } from './gantt-dom.service'; | ||
| import html2canvas from 'html2canvas'; | ||
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||
| @Injectable() | ||
| export class GanttPrintService { | ||
| constructor(private ganttDomService: GanttDomService) {} | ||
|
|
||
| private root = this.ganttDomService.root as HTMLElement; | ||
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| private viewer = this.ganttDomService.viewer as HTMLElement; | ||
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| private calendarOverlay = this.ganttDomService.calendarOverlay as HTMLElement; | ||
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| private setInlineStyles(targetElem: Element) { | ||
| const svgElements = Array.from(targetElem.getElementsByTagName('svg')); | ||
| for (const svgElement of svgElements) { | ||
| this.recursElementChildren(svgElement); | ||
| } | ||
| } | ||
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| private recursElementChildren(node: SVGSVGElement | HTMLElement) { | ||
| const transformProperties = [ | ||
| 'fill', | ||
| 'color', | ||
| 'font-size', | ||
| 'stroke', | ||
| 'font', | ||
| 'text-anchor', | ||
| 'stroke-dasharray', | ||
| 'shape-rendering', | ||
| 'stroke-width' | ||
| ]; | ||
| if (!node.style) { | ||
| return; | ||
| } | ||
| const styles = getComputedStyle(node); | ||
| for (const transformProperty of transformProperties) { | ||
| node.style[transformProperty] = styles[transformProperty]; | ||
| } | ||
| for (const child of Array.from(node.childNodes)) { | ||
| this.recursElementChildren(child as SVGSVGElement); | ||
| } | ||
| } | ||
|
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| print(name: string = 'download') { | ||
| // set print width | ||
| const printWidth = this.viewer.scrollWidth - this.viewer.offsetWidth + this.root.offsetWidth; | ||
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|
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| // set print height | ||
| const printHeight = this.viewer.scrollHeight + this.calendarOverlay.offsetHeight; | ||
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| html2canvas(this.root, { | ||
| // scale: 2, | ||
| logging: false, | ||
| allowTaint: true, | ||
| width: printWidth, | ||
| height: printHeight, | ||
| onclone: (cloneDocument: Document) => { | ||
| const ganttClass = this.root.className; | ||
| const cloneGanttDom = cloneDocument.querySelector(`.${ganttClass.replace(/\s+/g, '.')}`) as HTMLElement; | ||
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| // change targetDom width | ||
| cloneGanttDom.style.width = `${printWidth}px`; | ||
| cloneGanttDom.style.height = `${printHeight}px`; | ||
| cloneGanttDom.style.overflow = 'unset'; | ||
| cloneGanttDom.style.flex = 'none'; | ||
|
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| // setInlineStyles for svg | ||
| this.setInlineStyles(cloneGanttDom); | ||
| } | ||
| }).then((canvas: HTMLCanvasElement) => { | ||
| const link = document.createElement('a'); | ||
| const dataUrl = canvas.toDataURL('image/png'); | ||
| link.download = `${name}.png`; | ||
| link.href = dataUrl; | ||
| link.click(); | ||
| }); | ||
| } | ||
| } |
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