ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
170 lines • 21.2 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 { Directive, Input, booleanAttribute, inject, numberAttribute } from '@angular/core';
import { Subject, from } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
import { IconDirective } from '@ant-design/icons-angular';
import { warn } from 'ng-zorro-antd/core/logger';
import { NzIconPatchService } from './icon.service';
import * as i0 from "@angular/core";
import * as i1 from "./icon.service";
export class NzIconDirective extends IconDirective {
set nzSpin(value) {
this.spin = value;
}
set nzType(value) {
this.type = value;
}
set nzTheme(value) {
this.theme = value;
}
set nzTwotoneColor(value) {
this.twoToneColor = value;
}
set nzIconfont(value) {
this.iconfont = value;
}
constructor(ngZone, changeDetectorRef, elementRef, iconService, renderer) {
super(iconService, elementRef, renderer);
this.ngZone = ngZone;
this.changeDetectorRef = changeDetectorRef;
this.iconService = iconService;
this.renderer = renderer;
this.cacheClassName = null;
this.nzRotate = 0;
this.spin = false;
this.destroy$ = new Subject();
const iconPatch = inject(NzIconPatchService, { optional: true });
if (iconPatch) {
iconPatch.doPatch();
}
this.el = elementRef.nativeElement;
}
ngOnChanges(changes) {
const { nzType, nzTwotoneColor, nzSpin, nzTheme, nzRotate } = changes;
if (nzType || nzTwotoneColor || nzSpin || nzTheme) {
this.changeIcon2();
}
else if (nzRotate) {
this.handleRotate(this.el.firstChild);
}
else {
this._setSVGElement(this.iconService.createIconfontIcon(`#${this.iconfont}`));
}
}
ngOnInit() {
this.renderer.setAttribute(this.el, 'class', `anticon ${this.el.className}`.trim());
}
/**
* If custom content is provided, try to normalize SVG elements.
*/
ngAfterContentChecked() {
if (!this.type) {
const children = this.el.children;
let length = children.length;
if (!this.type && children.length) {
while (length--) {
const child = children[length];
if (child.tagName.toLowerCase() === 'svg') {
this.iconService.normalizeSvgElement(child);
}
}
}
}
}
ngOnDestroy() {
this.destroy$.next();
}
/**
* Replacement of `changeIcon` for more modifications.
*/
changeIcon2() {
this.setClassName();
// The Angular zone is left deliberately before the SVG is set
// since `_changeIcon` spawns asynchronous tasks as promise and
// HTTP calls. This is used to reduce the number of change detections
// while the icon is being loaded dynamically.
this.ngZone.runOutsideAngular(() => {
from(this._changeIcon())
.pipe(takeUntil(this.destroy$))
.subscribe({
next: svgOrRemove => {
// Get back into the Angular zone after completing all the tasks.
// Since we manually run change detection locally, we have to re-enter
// the zone because the change detection might also be run on other local
// components, leading them to handle template functions outside of the Angular zone.
this.ngZone.run(() => {
// The _changeIcon method would call Renderer to remove the element of the old icon,
// which would call `markElementAsRemoved` eventually,
// so we should call `detectChanges` to tell Angular remove the DOM node.
// #7186
this.changeDetectorRef.detectChanges();
if (svgOrRemove) {
this.setSVGData(svgOrRemove);
this.handleSpin(svgOrRemove);
this.handleRotate(svgOrRemove);
}
});
},
error: warn
});
});
}
handleSpin(svg) {
if (this.spin || this.type === 'loading') {
this.renderer.addClass(svg, 'anticon-spin');
}
else {
this.renderer.removeClass(svg, 'anticon-spin');
}
}
handleRotate(svg) {
if (this.nzRotate) {
this.renderer.setAttribute(svg, 'style', `transform: rotate(${this.nzRotate}deg)`);
}
else {
this.renderer.removeAttribute(svg, 'style');
}
}
setClassName() {
if (this.cacheClassName) {
this.renderer.removeClass(this.el, this.cacheClassName);
}
this.cacheClassName = `anticon-${this.type}`;
this.renderer.addClass(this.el, this.cacheClassName);
}
setSVGData(svg) {
this.renderer.setAttribute(svg, 'data-icon', this.type);
this.renderer.setAttribute(svg, 'aria-hidden', 'true');
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: NzIconDirective, deps: [{ token: i0.NgZone }, { token: i0.ChangeDetectorRef }, { token: i0.ElementRef }, { token: i1.NzIconService }, { token: i0.Renderer2 }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "16.1.0", version: "18.2.1", type: NzIconDirective, isStandalone: true, selector: "[nz-icon]", inputs: { nzSpin: ["nzSpin", "nzSpin", booleanAttribute], nzRotate: ["nzRotate", "nzRotate", numberAttribute], nzType: "nzType", nzTheme: "nzTheme", nzTwotoneColor: "nzTwotoneColor", nzIconfont: "nzIconfont" }, host: { properties: { "class.anticon": "true" } }, exportAs: ["nzIcon"], usesInheritance: true, usesOnChanges: true, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: NzIconDirective, decorators: [{
type: Directive,
args: [{
selector: '[nz-icon]',
exportAs: 'nzIcon',
host: {
'[class.anticon]': 'true'
},
standalone: true
}]
}], ctorParameters: () => [{ type: i0.NgZone }, { type: i0.ChangeDetectorRef }, { type: i0.ElementRef }, { type: i1.NzIconService }, { type: i0.Renderer2 }], propDecorators: { nzSpin: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], nzRotate: [{
type: Input,
args: [{ transform: numberAttribute }]
}], nzType: [{
type: Input
}], nzTheme: [{
type: Input
}], nzTwotoneColor: [{
type: Input
}], nzIconfont: [{
type: Input
}] } });
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* Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport {\n  AfterContentChecked,\n  ChangeDetectorRef,\n  Directive,\n  ElementRef,\n  Input,\n  NgZone,\n  OnChanges,\n  OnDestroy,\n  OnInit,\n  Renderer2,\n  SimpleChanges,\n  booleanAttribute,\n  inject,\n  numberAttribute\n} from '@angular/core';\nimport { Subject, from } from 'rxjs';\nimport { takeUntil } from 'rxjs/operators';\n\nimport { IconDirective, ThemeType } from '@ant-design/icons-angular';\n\nimport { warn } from 'ng-zorro-antd/core/logger';\n\nimport { NzIconPatchService, NzIconService } from './icon.service';\n\n@Directive({\n  selector: '[nz-icon]',\n  exportAs: 'nzIcon',\n  host: {\n    '[class.anticon]': 'true'\n  },\n  standalone: true\n})\nexport class NzIconDirective extends IconDirective implements OnInit, OnChanges, AfterContentChecked, OnDestroy {\n  cacheClassName: string | null = null;\n  @Input({ transform: booleanAttribute })\n  set nzSpin(value: boolean) {\n    this.spin = value;\n  }\n\n  @Input({ transform: numberAttribute }) nzRotate: number = 0;\n\n  @Input()\n  set nzType(value: string) {\n    this.type = value;\n  }\n\n  @Input()\n  set nzTheme(value: ThemeType) {\n    this.theme = value;\n  }\n\n  @Input()\n  set nzTwotoneColor(value: string) {\n    this.twoToneColor = value;\n  }\n\n  @Input()\n  set nzIconfont(value: string) {\n    this.iconfont = value;\n  }\n\n  hostClass?: string;\n\n  private readonly el: HTMLElement;\n  private iconfont?: string;\n  private spin: boolean = false;\n\n  private destroy$ = new Subject<void>();\n\n  constructor(\n    private readonly ngZone: NgZone,\n    private readonly changeDetectorRef: ChangeDetectorRef,\n    elementRef: ElementRef,\n    public readonly iconService: NzIconService,\n    public readonly renderer: Renderer2\n  ) {\n    super(iconService, elementRef, renderer);\n\n    const iconPatch = inject(NzIconPatchService, { optional: true });\n    if (iconPatch) {\n      iconPatch.doPatch();\n    }\n\n    this.el = elementRef.nativeElement;\n  }\n\n  override ngOnChanges(changes: SimpleChanges): void {\n    const { nzType, nzTwotoneColor, nzSpin, nzTheme, nzRotate } = changes;\n\n    if (nzType || nzTwotoneColor || nzSpin || nzTheme) {\n      this.changeIcon2();\n    } else if (nzRotate) {\n      this.handleRotate(this.el.firstChild as SVGElement);\n    } else {\n      this._setSVGElement(this.iconService.createIconfontIcon(`#${this.iconfont}`));\n    }\n  }\n\n  ngOnInit(): void {\n    this.renderer.setAttribute(this.el, 'class', `anticon ${this.el.className}`.trim());\n  }\n\n  /**\n   * If custom content is provided, try to normalize SVG elements.\n   */\n  ngAfterContentChecked(): void {\n    if (!this.type) {\n      const children = this.el.children;\n      let length = children.length;\n      if (!this.type && children.length) {\n        while (length--) {\n          const child = children[length];\n          if (child.tagName.toLowerCase() === 'svg') {\n            this.iconService.normalizeSvgElement(child as SVGElement);\n          }\n        }\n      }\n    }\n  }\n\n  ngOnDestroy(): void {\n    this.destroy$.next();\n  }\n\n  /**\n   * Replacement of `changeIcon` for more modifications.\n   */\n  private changeIcon2(): void {\n    this.setClassName();\n\n    // The Angular zone is left deliberately before the SVG is set\n    // since `_changeIcon` spawns asynchronous tasks as promise and\n    // HTTP calls. This is used to reduce the number of change detections\n    // while the icon is being loaded dynamically.\n    this.ngZone.runOutsideAngular(() => {\n      from(this._changeIcon())\n        .pipe(takeUntil(this.destroy$))\n        .subscribe({\n          next: svgOrRemove => {\n            // Get back into the Angular zone after completing all the tasks.\n            // Since we manually run change detection locally, we have to re-enter\n            // the zone because the change detection might also be run on other local\n            // components, leading them to handle template functions outside of the Angular zone.\n            this.ngZone.run(() => {\n              // The _changeIcon method would call Renderer to remove the element of the old icon,\n              // which would call `markElementAsRemoved` eventually,\n              // so we should call `detectChanges` to tell Angular remove the DOM node.\n              // #7186\n              this.changeDetectorRef.detectChanges();\n\n              if (svgOrRemove) {\n                this.setSVGData(svgOrRemove);\n                this.handleSpin(svgOrRemove);\n                this.handleRotate(svgOrRemove);\n              }\n            });\n          },\n          error: warn\n        });\n    });\n  }\n\n  private handleSpin(svg: SVGElement): void {\n    if (this.spin || this.type === 'loading') {\n      this.renderer.addClass(svg, 'anticon-spin');\n    } else {\n      this.renderer.removeClass(svg, 'anticon-spin');\n    }\n  }\n\n  private handleRotate(svg: SVGElement): void {\n    if (this.nzRotate) {\n      this.renderer.setAttribute(svg, 'style', `transform: rotate(${this.nzRotate}deg)`);\n    } else {\n      this.renderer.removeAttribute(svg, 'style');\n    }\n  }\n\n  private setClassName(): void {\n    if (this.cacheClassName) {\n      this.renderer.removeClass(this.el, this.cacheClassName);\n    }\n    this.cacheClassName = `anticon-${this.type}`;\n    this.renderer.addClass(this.el, this.cacheClassName);\n  }\n\n  private setSVGData(svg: SVGElement): void {\n    this.renderer.setAttribute(svg, 'data-icon', this.type as string);\n    this.renderer.setAttribute(svg, 'aria-hidden', 'true');\n  }\n}\n"]}