UNPKG

ng-zorro-antd

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An enterprise-class UI components based on Ant Design and Angular

63 lines 8.49 kB
/** * 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 */ export class NzCarouselBaseStrategy { constructor(carouselComponent, cdr, renderer, platform, options) { this.cdr = cdr; this.renderer = renderer; this.platform = platform; this.options = options; this.carouselComponent = carouselComponent; } get maxIndex() { return this.length - 1; } get firstEl() { return this.contents[0].el; } get lastEl() { return this.contents[this.maxIndex].el; } /** * Initialize dragging sequences. * @param contents */ withCarouselContents(contents) { const carousel = this.carouselComponent; this.slickListEl = carousel.slickListEl; this.slickTrackEl = carousel.slickTrackEl; this.contents = (contents === null || contents === void 0 ? void 0 : contents.toArray()) || []; this.length = this.contents.length; if (this.platform.isBrowser) { const rect = carousel.el.getBoundingClientRect(); this.unitWidth = rect.width; this.unitHeight = rect.height; } else { // Since we cannot call getBoundingClientRect in server, we just hide all items except for the first one. contents === null || contents === void 0 ? void 0 : contents.forEach((content, index) => { if (index === 0) { this.renderer.setStyle(content.el, 'width', '100%'); } else { this.renderer.setStyle(content.el, 'display', 'none'); } }); } } /** * When user drag the carousel component. * @optional */ dragging(_vector) { } /** * Destroy a scroll strategy. */ dispose() { } getFromToInBoundary(f, t) { const length = this.maxIndex + 1; return { from: (f + length) % length, to: (t + length) % length }; } } //# 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