41 lines
1.5 KiB
TypeScript
41 lines
1.5 KiB
TypeScript
import { Directive, ElementRef, Input, OnInit, Optional, Renderer2 } from '@angular/core';
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import { HelpModeService, ScrollableParentView } from './help-mode.service';
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@Directive({
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selector: '[iqserHelpMode]',
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exportAs: 'iqserHelpMode',
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})
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export class HelpModeDirective implements OnInit {
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@Input('iqserHelpMode') elementName!: string;
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@Input() scrollableParentView!: ScrollableParentView;
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@Input() dialogElement = false;
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constructor(
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private readonly _elementRef: ElementRef,
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private readonly _renderer: Renderer2,
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@Optional() private readonly _helpModeService: HelpModeService,
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) {}
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ngOnInit(): void {
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if (this.elementName && this._helpModeService) {
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this._createHelperElement();
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}
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}
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private _createHelperElement() {
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const element = this._elementRef.nativeElement as HTMLElement;
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const helperElementName = `${this.elementName}-${this._generateId()}`;
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const helperElement = this._renderer.createElement('a') as HTMLElement;
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this._renderer.setAttribute(helperElement, 'href', this._helpModeService.getDocsLink(this.elementName));
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this._renderer.setAttribute(helperElement, 'target', '_blank');
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this._renderer.addClass(helperElement, 'help-mode');
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this._helpModeService.addElement(helperElementName, element, helperElement, this.scrollableParentView, this.dialogElement);
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}
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private _generateId(): string {
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return Math.random().toString(36).substring(2, 9);
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}
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}
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