51 lines
1.8 KiB
TypeScript
51 lines
1.8 KiB
TypeScript
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import {UIElement} from "../UIElement";
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import {ImageSearcher} from "../../Logic/ImageSearcher";
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import {UIEventSource} from "../UIEventSource";
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import {SlideShow} from "../SlideShow";
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import {FixedUiElement} from "../FixedUiElement";
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export class ImageCarousel extends UIElement {
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/**
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* There are multiple way to fetch images for an object
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* 1) There is an image tag
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* 2) There is an image tag, the image tag contains multiple ';'-seperated URLS
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* 3) there are multiple image tags, e.g. 'image', 'image:0', 'image:1', and 'image_0', 'image_1' - however, these are pretty rare so we are gonna ignore them
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* 4) There is a wikimedia_commons-tag, which either has a 'File': or a 'category:' containing images
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* 5) There is a wikidata-tag, and the wikidata item either has an 'image' attribute or has 'a link to a wikimedia commons category'
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* 6) There is a wikipedia article, from which we can deduct the wikidata item
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*
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* For some images, author and license should be shown
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*/
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private readonly searcher: ImageSearcher;
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private readonly slideshow: SlideShow;
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constructor(tags: UIEventSource<any>) {
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super(tags);
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this.searcher = new ImageSearcher(tags);
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let uiElements = this.searcher.map((imageURLS: string[]) => {
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const uiElements: UIElement[] = [];
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for (const url of imageURLS) {
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uiElements.push(ImageSearcher.CreateImageElement(url));
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}
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return uiElements;
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});
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this.slideshow = new SlideShow(
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new FixedUiElement("<b>Afbeeldingen</b>"),
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uiElements,
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new FixedUiElement("<i>Geen afbeeldingen gevonden</i>"));
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}
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InnerRender(): string {
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return this.slideshow.Render();
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}
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Activate() {
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super.Activate();
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this.searcher.Activate();
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}
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}
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