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import { Directive, ElementRef, Renderer2, Input } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';
import { NzMessageService } from 'ng-zorro-antd';
import { ClipboardService } from 'ngx-clipboard';
@Directive({
selector: '[appCodeBlock]'
})
export class CodeBlockDirective {
@Input() set appCodeBlock(status: string) {
if (status === 'finished') {
setTimeout(() => {
this.setCopyButton();
}, 0);
}
}
constructor(private el: ElementRef, private renderer: Renderer2, private clipboardService: ClipboardService,
private message: NzMessageService, private translate: TranslateService
) { }
setCopyButton() {
const preElements = this.el.nativeElement.querySelectorAll('pre');
preElements.forEach(pre => {
const codeElement = pre.querySelector('code');
const copyButtonExists = pre.querySelector('button.copy-button');
if (codeElement && !copyButtonExists) {
const copyButton = this.renderer.createElement('button');
this.renderer.addClass(copyButton, 'copy-button');
this.renderer.setProperty(copyButton, 'innerHTML', 'Copy');
this.renderer.listen(copyButton, 'click', () => {
this.clipboardService.copyFromContent(codeElement.innerText);
this.message.success(this.translate.instant('maas.copy_to_clipboard'));
});
this.renderer.insertBefore(pre, copyButton, codeElement);
}
});
}
}
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