@swimlane/ngx-charts
Version:
Declarative Charting Framework for Angular
133 lines • 14.6 kB
JavaScript
import { isPlatformServer } from '@angular/common';
import { Component, Input, ChangeDetectionStrategy, PLATFORM_ID, Inject } from '@angular/core';
import { arc } from 'd3-shape';
import { trimLabel } from '../common/trim-label.helper';
import { TextAnchor } from '../common/types/text-anchor.enum';
import * as i0 from "@angular/core";
export class PieLabelComponent {
constructor(platformId) {
this.platformId = platformId;
this.animations = true;
this.labelTrim = true;
this.labelTrimSize = 10;
this.trimLabel = trimLabel;
}
ngOnChanges(changes) {
this.setTransforms();
this.update();
}
setTransforms() {
if (isPlatformServer(this.platformId)) {
this.styleTransform = `translate3d(${this.textX}px,${this.textY}px, 0)`;
this.attrTransform = `translate(${this.textX},${this.textY})`;
this.textTransition = !this.animations ? null : 'transform 0.75s';
}
else {
const isIE = /(edge|msie|trident)/i.test(navigator.userAgent);
this.styleTransform = isIE ? null : `translate3d(${this.textX}px,${this.textY}px, 0)`;
this.attrTransform = !isIE ? null : `translate(${this.textX},${this.textY})`;
this.textTransition = isIE || !this.animations ? null : 'transform 0.75s';
}
}
update() {
let startRadius = this.radius;
if (this.explodeSlices) {
startRadius = (this.radius * this.value) / this.max;
}
const innerArc = arc().innerRadius(startRadius).outerRadius(startRadius);
// Calculate innerPos then scale outer position to match label position
const innerPos = innerArc.centroid(this.data);
let scale = this.data.pos[1] / innerPos[1];
if (this.data.pos[1] === 0 || innerPos[1] === 0) {
scale = 1;
}
const outerPos = [scale * innerPos[0], scale * innerPos[1]];
this.line = `M${innerPos}L${outerPos}L${this.data.pos}`;
}
get textX() {
return this.data.pos[0];
}
get textY() {
return this.data.pos[1];
}
textAnchor() {
return this.midAngle(this.data) < Math.PI ? TextAnchor.Start : TextAnchor.End;
}
midAngle(d) {
return d.startAngle + (d.endAngle - d.startAngle) / 2;
}
}
PieLabelComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.1.0", ngImport: i0, type: PieLabelComponent, deps: [{ token: PLATFORM_ID }], target: i0.ɵɵFactoryTarget.Component });
PieLabelComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "13.1.0", type: PieLabelComponent, selector: "g[ngx-charts-pie-label]", inputs: { data: "data", radius: "radius", label: "label", color: "color", max: "max", value: "value", explodeSlices: "explodeSlices", animations: "animations", labelTrim: "labelTrim", labelTrimSize: "labelTrimSize" }, usesOnChanges: true, ngImport: i0, template: `
<title>{{ label }}</title>
<svg:g [attr.transform]="attrTransform" [style.transform]="styleTransform" [style.transition]="textTransition">
<svg:text
class="pie-label"
[class.animation]="animations"
dy=".35em"
[style.textAnchor]="textAnchor()"
[style.shapeRendering]="'crispEdges'"
>
{{ labelTrim ? trimLabel(label, labelTrimSize) : label }}
</svg:text>
</svg:g>
<svg:path
[attr.d]="line"
[attr.stroke]="color"
fill="none"
class="pie-label-line line"
[class.animation]="animations"
></svg:path>
`, isInline: true, changeDetection: i0.ChangeDetectionStrategy.OnPush });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.1.0", ngImport: i0, type: PieLabelComponent, decorators: [{
type: Component,
args: [{
selector: 'g[ngx-charts-pie-label]',
template: `
<title>{{ label }}</title>
<svg:g [attr.transform]="attrTransform" [style.transform]="styleTransform" [style.transition]="textTransition">
<svg:text
class="pie-label"
[class.animation]="animations"
dy=".35em"
[style.textAnchor]="textAnchor()"
[style.shapeRendering]="'crispEdges'"
>
{{ labelTrim ? trimLabel(label, labelTrimSize) : label }}
</svg:text>
</svg:g>
<svg:path
[attr.d]="line"
[attr.stroke]="color"
fill="none"
class="pie-label-line line"
[class.animation]="animations"
></svg:path>
`,
changeDetection: ChangeDetectionStrategy.OnPush
}]
}], ctorParameters: function () { return [{ type: undefined, decorators: [{
type: Inject,
args: [PLATFORM_ID]
}] }]; }, propDecorators: { data: [{
type: Input
}], radius: [{
type: Input
}], label: [{
type: Input
}], color: [{
type: Input
}], max: [{
type: Input
}], value: [{
type: Input
}], explodeSlices: [{
type: Input
}], animations: [{
type: Input
}], labelTrim: [{
type: Input
}], labelTrimSize: [{
type: Input
}] } });
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trimLabel(label, labelTrimSize) : label }}\n      </svg:text>\n    </svg:g>\n    <svg:path\n      [attr.d]=\"line\"\n      [attr.stroke]=\"color\"\n      fill=\"none\"\n      class=\"pie-label-line line\"\n      [class.animation]=\"animations\"\n    ></svg:path>\n  `,\n  changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class PieLabelComponent implements OnChanges {\n  @Input() data: PieData;\n  @Input() radius: number;\n  @Input() label: string;\n  @Input() color: string;\n  @Input() max: number;\n  @Input() value: number;\n  @Input() explodeSlices: boolean;\n  @Input() animations: boolean = true;\n  @Input() labelTrim: boolean = true;\n  @Input() labelTrimSize: number = 10;\n\n  trimLabel: (label: string, max?: number) => string;\n  line: string;\n  styleTransform: string;\n  attrTransform: string;\n  textTransition: string;\n\n  constructor(@Inject(PLATFORM_ID) public platformId: any) {\n    this.trimLabel = trimLabel;\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    this.setTransforms();\n    this.update();\n  }\n\n  setTransforms() {\n    if (isPlatformServer(this.platformId)) {\n      this.styleTransform = `translate3d(${this.textX}px,${this.textY}px, 0)`;\n      this.attrTransform = `translate(${this.textX},${this.textY})`;\n      this.textTransition = !this.animations ? null : 'transform 0.75s';\n    } else {\n      const isIE = /(edge|msie|trident)/i.test(navigator.userAgent);\n      this.styleTransform = isIE ? null : `translate3d(${this.textX}px,${this.textY}px, 0)`;\n      this.attrTransform = !isIE ? null : `translate(${this.textX},${this.textY})`;\n      this.textTransition = isIE || !this.animations ? null : 'transform 0.75s';\n    }\n  }\n\n  update(): void {\n    let startRadius = this.radius;\n    if (this.explodeSlices) {\n      startRadius = (this.radius * this.value) / this.max;\n    }\n\n    const innerArc = arc().innerRadius(startRadius).outerRadius(startRadius);\n\n    // Calculate innerPos then scale outer position to match label position\n    const innerPos = innerArc.centroid(this.data);\n\n    let scale = this.data.pos[1] / innerPos[1];\n    if (this.data.pos[1] === 0 || innerPos[1] === 0) {\n      scale = 1;\n    }\n    const outerPos = [scale * innerPos[0], scale * innerPos[1]];\n\n    this.line = `M${innerPos}L${outerPos}L${this.data.pos}`;\n  }\n\n  get textX(): number {\n    return this.data.pos[0];\n  }\n\n  get textY(): number {\n    return this.data.pos[1];\n  }\n\n  textAnchor(): TextAnchor {\n    return this.midAngle(this.data) < Math.PI ? TextAnchor.Start : TextAnchor.End;\n  }\n\n  midAngle(d): number {\n    return d.startAngle + (d.endAngle - d.startAngle) / 2;\n  }\n}\n"]}