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Intermediary refactoring

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This commit is contained in:
Pieter Vander Vennet 2020-07-20 15:54:50 +02:00
parent dcf5d24002
commit 93db813cfc
15 changed files with 280 additions and 178 deletions
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129
UI/Base/UIRadioButton.ts
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@ -1,129 +0,0 @@
import {UIElement} from "../UIElement";
import {UIEventSource} from "../UIEventSource";
import {UIInputElement} from "./UIInputElement";
export class UIRadioButton<T> extends UIInputElement<T> {
public readonly SelectedElementIndex: UIEventSource<number>
= new UIEventSource<number>(null);
private value: UIEventSource<T>;
private readonly _elements: UIInputElement<T>[]
private _selectFirstAsDefault: boolean;
private _valueMapping: (i: number) => T;
constructor(elements: UIInputElement<T>[],
selectFirstAsDefault = true) {
super(undefined);
this._elements = elements;
this._selectFirstAsDefault = selectFirstAsDefault;
const self = this;
this.SelectedElementIndex.addCallback(() => {
self.InnerUpdate(undefined);
})
this.value =
UIEventSource.flatten(this.SelectedElementIndex.map(
(selectedIndex) => {
if (selectedIndex !== undefined && selectedIndex !== null) {
return elements[selectedIndex].GetValue()
}
}
), elements.map(e => e.GetValue()))
;
for (let i = 0; i < elements.length; i ++){
elements[i].onClick(( ) => {
self.SelectedElementIndex.setData(i);
});
}
}
GetValue(): UIEventSource<T> {
return this.value;
}
private IdFor(i) {
return 'radio-' + this.id + '-' + i;
}
protected InnerRender(): string {
let body = "";
let i = 0;
for (const el of this._elements) {
const htmlElement =
'<input type="radio" id="' + this.IdFor(i) + '" name="radiogroup-' + this.id + '">' +
'<label for="' + this.IdFor(i) + '">' + el.Render() + '</label>' +
'<br>';
body += htmlElement;
i++;
}
return "<form id='" + this.id + "-form'>" + body + "</form>";
}
InnerUpdate(htmlElement: HTMLElement) {
const self = this;
function checkButtons() {
for (let i = 0; i < self._elements.length; i++) {
const el = document.getElementById(self.IdFor(i));
// @ts-ignore
if (el.checked) {
self.SelectedElementIndex.setData(i);
}
}
}
const el = document.getElementById(this.id);
el.addEventListener("change",
function () {
checkButtons();
}
);
if (this.SelectedElementIndex.data == null) {
if (this._selectFirstAsDefault) {
const el = document.getElementById(this.IdFor(0));
if (el) {
// @ts-ignore
el.checked = true;
checkButtons();
}
}
} else {
// We check that what is selected matches the previous rendering
var checked = -1;
var expected = this.SelectedElementIndex.data;
if (expected) {
for (let i = 0; i < self._elements.length; i++) {
const el = document.getElementById(self.IdFor(i));
// @ts-ignore
if (el.checked) {
checked = i;
}
}
if (expected != checked) {
const el = document.getElementById(this.IdFor(expected));
// @ts-ignore
el.checked = true;
}
}
}
}
}