91 lines
No EOL
2.9 KiB
TypeScript
91 lines
No EOL
2.9 KiB
TypeScript
import {UIElement} from "./UIElement";
|
|
import {FixedUiElement} from "./Base/FixedUiElement";
|
|
import {UIEventSource} from "../Logic/UIEventSource";
|
|
|
|
export class SlideShow extends UIElement {
|
|
|
|
private readonly _embeddedElements: UIEventSource<UIElement[]>
|
|
|
|
public readonly _currentSlide: UIEventSource<number> = new UIEventSource<number>(0);
|
|
private readonly _noimages: UIElement;
|
|
private _prev: FixedUiElement;
|
|
private _next: FixedUiElement;
|
|
|
|
constructor(
|
|
embeddedElements: UIEventSource<UIElement[]>,
|
|
noImages: UIElement) {
|
|
super(embeddedElements);
|
|
this._embeddedElements = embeddedElements;
|
|
this.ListenTo(this._currentSlide);
|
|
this._noimages = noImages;
|
|
|
|
const self = this;
|
|
this._prev = new FixedUiElement("<div class='prev-button'>" +
|
|
"<div class='vspan'></div>" +
|
|
"<img src='assets/arrow-left-smooth.svg' alt='Prev'/>" +
|
|
"</div>")
|
|
.onClick(() => {
|
|
const current = self._currentSlide.data;
|
|
self.MoveTo(current - 1);
|
|
});
|
|
this._next = new FixedUiElement("<div class='next-button'>" +
|
|
"<div class='vspan'></div>" +
|
|
"<img src='assets/arrow-right-smooth.svg' alt='Next'/>" +
|
|
"</div>")
|
|
.onClick(() => {
|
|
const current = self._currentSlide.data;
|
|
self.MoveTo(current + 1);
|
|
});
|
|
|
|
}
|
|
|
|
InnerRender(): string {
|
|
if (this._embeddedElements.data.length == 0) {
|
|
return this._noimages.Render();
|
|
}
|
|
|
|
if (this._embeddedElements.data.length == 1) {
|
|
return "<div class='image-slideshow'><div class='slides'><div class='slide'>" +
|
|
this._embeddedElements.data[0].Render() +
|
|
"</div></div></div>";
|
|
}
|
|
|
|
|
|
let slides = ""
|
|
for (let i = 0; i < this._embeddedElements.data.length; i++) {
|
|
let embeddedElement = this._embeddedElements.data[i];
|
|
let state = "hidden"
|
|
if (this._currentSlide.data === i) {
|
|
state = "active-slide";
|
|
}
|
|
slides += " <div class=\"slide " + state + "\">" + embeddedElement.Render() + "</div>\n";
|
|
}
|
|
return "<div class='image-slideshow'>"
|
|
+ this._prev.Render()
|
|
+ "<div class='slides'>" + slides + "</div>"
|
|
+ this._next.Render()
|
|
+ "</div>";
|
|
}
|
|
|
|
public MoveTo(index: number) {
|
|
if (index < 0) {
|
|
index = this._embeddedElements.data.length - 1;
|
|
}
|
|
index = index % this._embeddedElements.data.length;
|
|
this._currentSlide.setData(index);
|
|
}
|
|
|
|
InnerUpdate(htmlElement) {
|
|
this._next.Update();
|
|
this._prev.Update();
|
|
}
|
|
|
|
Activate() {
|
|
for (const embeddedElement of this._embeddedElements.data) {
|
|
embeddedElement.Activate();
|
|
}
|
|
this._next.Update();
|
|
this._prev.Update();
|
|
}
|
|
|
|
} |