82 lines
2.7 KiB
TypeScript
82 lines
2.7 KiB
TypeScript
///
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/// Copyright © 2016-2023 The Thingsboard Authors
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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import { ComponentRef, Directive, ElementRef, Input, ViewContainerRef } from '@angular/core';
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import { MatProgressSpinner } from '@angular/material/progress-spinner';
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@Directive({
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// eslint-disable-next-line @angular-eslint/directive-selector
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selector: '[tb-circular-progress]'
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})
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export class CircularProgressDirective {
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showProgressValue = false;
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children: JQuery<any>;
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cssWidth: any;
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@Input('tb-circular-progress')
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set showProgress(showProgress: boolean) {
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if (this.showProgressValue !== showProgress) {
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const element = this.elementRef.nativeElement;
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this.showProgressValue = showProgress;
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this.spinnerRef.instance._elementRef.nativeElement.style.display = showProgress ? 'block' : 'none';
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if (showProgress) {
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this.cssWidth = $(element).prop('style').width;
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if (!this.cssWidth) {
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$(element).css('width', '');
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const width = $(element).prop('offsetWidth');
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$(element).css('width', width + 'px');
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}
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this.children = $(element).children();
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$(element).empty();
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$(element).append($(this.spinnerRef.instance._elementRef.nativeElement));
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} else {
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$(element).empty();
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$(element).append(this.children);
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if (this.cssWidth) {
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$(element).css('width', this.cssWidth);
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} else {
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$(element).css('width', '');
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}
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}
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}
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}
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spinnerRef: ComponentRef<MatProgressSpinner>;
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constructor(private elementRef: ElementRef,
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private viewContainerRef: ViewContainerRef) {
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this.createCircularProgress();
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}
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createCircularProgress() {
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this.elementRef.nativeElement.style.position = 'relative';
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this.spinnerRef = this.viewContainerRef.createComponent(MatProgressSpinner, {index: 0});
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this.spinnerRef.instance.mode = 'indeterminate';
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this.spinnerRef.instance.diameter = 20;
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const el = this.spinnerRef.instance._elementRef.nativeElement;
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el.style.margin = 'auto';
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el.style.position = 'absolute';
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el.style.left = '0';
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el.style.right = '0';
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el.style.top = '0';
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el.style.bottom = '0';
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el.style.display = 'none';
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}
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}
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