125 lines
4.4 KiB
TypeScript
125 lines
4.4 KiB
TypeScript
import {InputElement} from "./InputElement";
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import {UIEventSource} from "../../Logic/UIEventSource";
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import {UIElement} from "../UIElement";
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import Combine from "../Base/Combine";
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import {SubtleButton} from "../Base/SubtleButton";
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import {FixedUiElement} from "../Base/FixedUiElement";
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import Svg from "../../Svg";
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import {Img} from "../Img";
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export class MultiInput<T> extends InputElement<T[]> {
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private readonly _value: UIEventSource<T[]>;
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IsSelected: UIEventSource<boolean>;
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private elements: UIElement[] = [];
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private inputELements: InputElement<T>[] = [];
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private addTag: UIElement;
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private _options: { allowMovement?: boolean };
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constructor(
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addAElement: string,
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newElement: (() => T),
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createInput: (() => InputElement<T>),
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value: UIEventSource<T[]> = undefined,
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options?: {
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allowMovement?: boolean
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}) {
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super(undefined);
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this._value = value ?? new UIEventSource<T[]>([]);
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value = this._value;
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this.ListenTo(value.map((latest : T[]) => latest.length));
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this._options = options ?? {};
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this.addTag = new SubtleButton(Img.AsData(Svg.addSmall), addAElement)
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.SetClass("small-button")
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.onClick(() => {
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this.IsSelected.setData(true);
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value.data.push(newElement());
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value.ping();
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});
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const self = this;
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value.map<number>((tags: string[]) => tags.length).addCallback(() => self.createElements(createInput));
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this.createElements(createInput);
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this._value.addCallback(tags => self.load(tags));
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this.IsSelected = new UIEventSource<boolean>(false);
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}
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private load(tags: T[]) {
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if (tags === undefined) {
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return;
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}
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for (let i = 0; i < tags.length; i++) {
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this.inputELements[i].GetValue().setData(tags[i]);
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}
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}
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private UpdateIsSelected(){
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this.IsSelected.setData(this.inputELements.map(input => input.IsSelected.data).reduce((a,b) => a && b))
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}
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private createElements(createInput: (() => InputElement<T>)) {
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this.inputELements.splice(0, this.inputELements.length);
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this.elements = [];
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const self = this;
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for (let i = 0; i < this._value.data.length; i++) {
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const input = createInput();
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input.GetValue().addCallback(tag => {
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self._value.data[i] = tag;
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self._value.ping();
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}
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);
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this.inputELements.push(input);
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input.IsSelected.addCallback(() => this.UpdateIsSelected());
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const moveUpBtn = new FixedUiElement(Img.AsData(Svg.up))
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.onClick(() => {
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const v = self._value.data[i];
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self._value.data[i] = self._value.data[i - 1];
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self._value.data[i - 1] = v;
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self._value.ping();
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});
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const moveDownBtn = new FixedUiElement("<img src='./assets/down.svg' style='max-width: 1.5em; margin-left: 5px;'>")
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.onClick(() => {
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const v = self._value.data[i];
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self._value.data[i] = self._value.data[i + 1];
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self._value.data[i + 1] = v;
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self._value.ping();
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});
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const controls = [];
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if (i > 0 && this._options.allowMovement) {
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controls.push(moveUpBtn);
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}
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if (i + 1 < this._value.data.length && this._options.allowMovement) {
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controls.push(moveDownBtn);
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}
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const deleteBtn = new FixedUiElement("<img src='./assets/delete.svg' style='max-width: 1.5em;width:1.5em; margin-left: 5px;'>")
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.onClick(() => {
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self._value.data.splice(i, 1);
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self._value.ping();
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});
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controls.push(deleteBtn);
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this.elements.push(new Combine([input.SetStyle("width: calc(100% - 2em - 5px)"), new Combine(controls).SetStyle("display:flex;flex-direction:column;width:min-content;")]).SetClass("tag-input-row"))
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}
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this.Update();
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}
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InnerRender(): string {
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return new Combine([...this.elements, this.addTag]).Render();
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}
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IsValid(t: T[]): boolean {
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return false;
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}
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GetValue(): UIEventSource<T[]> {
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return this._value;
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}
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} |