ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
40 lines • 6.97 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 { Subject } from 'rxjs';
import { NzCarouselBaseStrategy } from './base-strategy';
export class NzCarouselOpacityStrategy extends NzCarouselBaseStrategy {
withCarouselContents(contents) {
super.withCarouselContents(contents);
if (this.contents) {
this.slickTrackEl.style.width = `${this.length * this.unitWidth}px`;
this.contents.forEach((content, i) => {
this.renderer.setStyle(content.el, 'opacity', this.carouselComponent.activeIndex === i ? '1' : '0');
this.renderer.setStyle(content.el, 'position', 'relative');
this.renderer.setStyle(content.el, 'width', `${this.unitWidth}px`);
this.renderer.setStyle(content.el, 'left', `${-this.unitWidth * i}px`);
this.renderer.setStyle(content.el, 'transition', ['opacity 500ms ease 0s', 'visibility 500ms ease 0s']);
});
}
}
switch(_f, _t) {
const { to: t } = this.getFromToInBoundary(_f, _t);
const complete$ = new Subject();
this.contents.forEach((content, i) => {
this.renderer.setStyle(content.el, 'opacity', t === i ? '1' : '0');
});
setTimeout(() => {
complete$.next();
complete$.complete();
}, this.carouselComponent.nzTransitionSpeed);
return complete$;
}
dispose() {
this.contents.forEach((content) => {
this.renderer.setStyle(content.el, 'transition', null);
});
super.dispose();
}
}
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