ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
108 lines • 13.1 kB
JavaScript
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, Input, NgZone, TemplateRef } from '@angular/core';
import { curveBasis, line } from 'd3-shape';
import { take } from 'rxjs/operators';
export class NzGraphEdgeComponent {
constructor(elementRef, ngZone, cdr) {
this.elementRef = elementRef;
this.ngZone = ngZone;
this.cdr = cdr;
this.line = line()
.x(d => d.x)
.y(d => d.y)
.curve(curveBasis);
this.el = this.elementRef.nativeElement;
}
get id() {
var _a;
return ((_a = this.edge) === null || _a === void 0 ? void 0 : _a.id) || `${this.edge.v}--${this.edge.w}`;
}
ngOnInit() {
this.initElementStyle();
}
ngOnChanges(changes) {
const { edge, customTemplate } = changes;
if (edge) {
this.ngZone.onStable.pipe(take(1)).subscribe(() => {
// Update path element if customTemplate set
if (customTemplate) {
this.initElementStyle();
}
this.setLine();
this.cdr.markForCheck();
});
}
}
initElementStyle() {
this.path = this.el.querySelector('path');
this.setElementData();
}
setLine() {
// TODO
// Need to move it to hierarchy graph
const adjoiningPath = this.getAdjoiningEdgeElement();
if (adjoiningPath) {
const adjoiningPoint = adjoiningPath
.getPointAtLength(this.edge.inbound ? adjoiningPath.getTotalLength() : 0)
.matrixTransform(adjoiningPath.getCTM())
.matrixTransform(this.path.getCTM().inverse());
const points = [...this.edge.points];
const index = this.edge.inbound ? 0 : points.length - 1;
points[index].x = adjoiningPoint.x;
points[index].y = adjoiningPoint.y;
this.setPath(this.line(points));
}
else {
this.setPath(this.line(this.edge.points));
}
}
setPath(d) {
this.path.setAttribute('d', d);
}
setElementData() {
if (!this.path) {
return;
}
this.path.setAttribute('id', this.id);
this.path.setAttribute('data-edge', this.id);
this.path.setAttribute('data-v', `${this.edge.v}`);
this.path.setAttribute('data-w', `${this.edge.w}`);
}
getAdjoiningEdgeElement() {
const adjoiningEdge = this.edge.adjoiningEdge;
if (adjoiningEdge) {
return document.querySelector(`path[data-edge="${adjoiningEdge.v}--${adjoiningEdge.w}"]`);
}
else {
return null;
}
}
}
NzGraphEdgeComponent.decorators = [
{ type: Component, args: [{
selector: '[nz-graph-edge]',
template: `
<ng-container *ngIf="customTemplate" [ngTemplateOutlet]="customTemplate" [ngTemplateOutletContext]="{ $implicit: edge }"></ng-container>
<svg:g *ngIf="!customTemplate">
<path class="nz-graph-edge-line" [attr.marker-end]="'url(#edge-end-arrow)'"></path>
<svg:text class="nz-graph-edge-text" text-anchor="middle" dy="10" *ngIf="edge.label">
<textPath [attr.href]="'#' + id" startOffset="50%">{{ edge.label }}</textPath>
</svg:text>
</svg:g>
`,
changeDetection: ChangeDetectionStrategy.OnPush
},] }
];
NzGraphEdgeComponent.ctorParameters = () => [
{ type: ElementRef },
{ type: NgZone },
{ type: ChangeDetectorRef }
];
NzGraphEdgeComponent.propDecorators = {
edge: [{ type: Input }],
customTemplate: [{ type: Input }]
};
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y: number }>()\n    .x(d => d.x)\n    .y(d => d.y)\n    .curve(curveBasis);\n\n  constructor(private elementRef: ElementRef<SVGGElement>, private ngZone: NgZone, private cdr: ChangeDetectorRef) {\n    this.el = this.elementRef.nativeElement;\n  }\n\n  ngOnInit(): void {\n    this.initElementStyle();\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    const { edge, customTemplate } = changes;\n    if (edge) {\n      this.ngZone.onStable.pipe(take(1)).subscribe(() => {\n        // Update path element if customTemplate set\n        if (customTemplate) {\n          this.initElementStyle();\n        }\n\n        this.setLine();\n        this.cdr.markForCheck();\n      });\n    }\n  }\n\n  initElementStyle(): void {\n    this.path = this.el.querySelector('path')!;\n    this.setElementData();\n  }\n\n  setLine(): void {\n    // TODO\n    // Need to move it to hierarchy graph\n    const adjoiningPath = this.getAdjoiningEdgeElement();\n    if (adjoiningPath) {\n      const adjoiningPoint = adjoiningPath\n        .getPointAtLength(this.edge.inbound ? adjoiningPath.getTotalLength() : 0)\n        .matrixTransform(adjoiningPath.getCTM()!)\n        .matrixTransform(this.path.getCTM()!.inverse());\n      const points = [...this.edge.points];\n      const index = this.edge.inbound ? 0 : points.length - 1;\n      points[index].x = adjoiningPoint.x;\n      points[index].y = adjoiningPoint.y;\n      this.setPath(this.line(points)!);\n    } else {\n      this.setPath(this.line(this.edge.points)!);\n    }\n  }\n\n  setPath(d: string): void {\n    this.path.setAttribute('d', d);\n  }\n\n  setElementData(): void {\n    if (!this.path) {\n      return;\n    }\n    this.path.setAttribute('id', this.id);\n    this.path.setAttribute('data-edge', this.id);\n    this.path.setAttribute('data-v', `${this.edge.v}`);\n    this.path.setAttribute('data-w', `${this.edge.w}`);\n  }\n\n  getAdjoiningEdgeElement(): SVGPathElement | null {\n    const adjoiningEdge = this.edge.adjoiningEdge;\n    if (adjoiningEdge) {\n      return document.querySelector(`path[data-edge=\"${adjoiningEdge.v}--${adjoiningEdge.w}\"]`) as SVGPathElement;\n    } else {\n      return null;\n    }\n  }\n}\n"]}