mapcomplete/UI/Image/ImageCarousel.ts

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import {UIElement} from "../UIElement";
import {ImageSearcher} from "../../Logic/ImageSearcher";
import {UIEventSource} from "../UIEventSource";
import {SlideShow} from "../SlideShow";
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import {FixedUiElement} from "../Base/FixedUiElement";
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import {VerticalCombine} from "../Base/VerticalCombine";
import {Changes} from "../../Logic/Changes";
import {VariableUiElement} from "../Base/VariableUIElement";
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import {ConfirmDialog} from "../ConfirmDialog";
import {UserDetails} from "../../Logic/OsmConnection";
import {TagDependantUIElement, TagDependantUIElementConstructor} from "../../Customizations/UIElementConstructor";
export class ImageCarouselConstructor implements TagDependantUIElementConstructor{
IsKnown(properties: any): boolean {
return true;
}
IsQuestioning(properties: any): boolean {
return false;
}
Priority(): number {
return 0;
}
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construct(dependencies: { tags: UIEventSource<any>, changes: Changes }): TagDependantUIElement {
return new ImageCarousel(dependencies.tags, dependencies.changes);
}
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}
export class ImageCarousel extends TagDependantUIElement {
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private readonly searcher: ImageSearcher;
public readonly slideshow: SlideShow;
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private readonly _uiElements: UIEventSource<UIElement[]>;
private readonly _deleteButton: UIElement;
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private readonly _isDeleted: UIElement;
private readonly _userDetails : UIEventSource<UserDetails>;
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constructor(tags: UIEventSource<any>, changes: Changes) {
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super(tags);
this._userDetails = changes.login.userDetails;
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const self = this;
this.searcher = new ImageSearcher(tags, changes);
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this._uiElements = this.searcher.map((imageURLS: string[]) => {
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const uiElements: UIElement[] = [];
for (const url of imageURLS) {
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const image = ImageSearcher.CreateImageElement(url);
uiElements.push(image);
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}
return uiElements;
});
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this.slideshow = new SlideShow(
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this._uiElements,
new FixedUiElement("")).HideOnEmpty(true);
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const showDeleteButton = this.slideshow._currentSlide.map((i) => {
if(!self._userDetails.data.loggedIn){
return false;
}
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return self.searcher.IsDeletable(self.searcher.data[i]);
}, [this.searcher, this._userDetails]);
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this.slideshow._currentSlide.addCallback(() => {
showDeleteButton.ping(); // This pings the showDeleteButton, which indicates that it has to hide it's subbuttons
})
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const deleteCurrent = () => {
self.searcher.Delete(self.searcher.data[self.slideshow._currentSlide.data]);
}
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this._deleteButton = new ConfirmDialog(showDeleteButton,
"<img src='assets/delete.svg' alt='Afbeelding verwijderen' class='delete-image'>",
"<span>Afbeelding verwijderen</span>",
"<span>Terug</span>",
deleteCurrent,
() => { },
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'delete-image-confirm',
'delete-image-cancel');
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const mapping = this.slideshow._currentSlide.map((i) => {
if (this.searcher._deletedImages.data.indexOf(
this.searcher.data[i]
) >= 0) {
return "<div class='image-is-removed'>Deze afbeelding is verwijderd</div>"
}
return "";
});
this._isDeleted = new VariableUiElement(
mapping
)
this.searcher._deletedImages.addCallback(() => {
this.slideshow._currentSlide.ping();
})
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}
InnerRender(): string {
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return "<span class='image-carousel-container'>" +
"<div class='image-delete-container'>" +
this._deleteButton.Render() +
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this._isDeleted.Render() +
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"</div>" +
this.slideshow.Render() +
"</span>";
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}
IsKnown(): boolean {
return true;
}
IsQuestioning(): boolean {
return false;
}
Priority(): number {
return 0;
}
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InnerUpdate(htmlElement: HTMLElement) {
super.InnerUpdate(htmlElement);
this._deleteButton.Update();
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this._isDeleted.Update();
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}
Activate() {
super.Activate();
this.searcher.Activate();
}
}