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New question system

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This commit is contained in:
Pieter Vander Vennet 2020-07-05 18:59:47 +02:00
parent 1738fc4252
commit d1f8080c24
45 changed files with 1391 additions and 689 deletions
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83
UI/Base/UIRadioButton.ts
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@ -1,30 +1,33 @@
import {UIElement} from "../UIElement";
import {UIEventSource} from "../UIEventSource";
import {FixedUiElement} from "./FixedUiElement";
import $ from "jquery"
import {UIInputElement} from "./UIInputElement";
export class UIRadioButton extends UIElement {
export class UIRadioButton<T> extends UIInputElement<T> {
public readonly SelectedElementIndex: UIEventSource<{ index: number, value: string }>
= new UIEventSource<{ index: number, value: string }>(null);
public readonly SelectedElementIndex: UIEventSource<number>
= new UIEventSource<number>(null);
private readonly _elements: UIEventSource<{ element: UIElement, value: string }[]>
private readonly _elements: UIEventSource<UIElement[]>
private _selectFirstAsDefault: boolean;
private _valueMapping: (i: number) => T;
constructor(elements: UIEventSource<{ element: UIElement, value: string }[]>) {
constructor(elements: UIEventSource<UIElement[]>,
valueMapping: ((i: number) => T),
selectFirstAsDefault = true) {
super(elements);
this._elements = elements;
this._selectFirstAsDefault = selectFirstAsDefault;
const self = this;
this._valueMapping = valueMapping;
this.SelectedElementIndex.addCallback(() => {
self.InnerUpdate(undefined);
})
}
GetValue(): UIEventSource<T> {
return this.SelectedElementIndex.map(this._valueMapping);
}
static FromStrings(choices: string[]): UIRadioButton {
const wrapped = [];
for (const choice of choices) {
wrapped.push({
element: new FixedUiElement(choice),
value: choice
});
}
return new UIRadioButton(new UIEventSource<{ element: UIElement, value: string }[]>(wrapped))
}
private IdFor(i) {
return 'radio-' + this.id + '-' + i;
@ -35,12 +38,9 @@ export class UIRadioButton extends UIElement {
let body = "";
let i = 0;
for (const el of this._elements.data) {
const uielement = el.element;
const value = el.value;
const htmlElement =
'<input type="radio" id="' + this.IdFor(i) + '" name="radiogroup-' + this.id + '" value="' + value + '">' +
'<label for="' + this.IdFor(i) + '">' + uielement.Render() + '</label>' +
'<input type="radio" id="' + this.IdFor(i) + '" name="radiogroup-' + this.id + '">' +
'<label for="' + this.IdFor(i) + '">' + el.Render() + '</label>' +
'<br>';
body += htmlElement;
@ -51,7 +51,6 @@ export class UIRadioButton extends UIElement {
}
InnerUpdate(htmlElement: HTMLElement) {
super.InnerUpdate(htmlElement);
const self = this;
function checkButtons() {
@ -59,8 +58,7 @@ export class UIRadioButton extends UIElement {
const el = document.getElementById(self.IdFor(i));
// @ts-ignore
if (el.checked) {
var v = {index: i, value: self._elements.data[i].value}
self.SelectedElementIndex.setData(v);
self.SelectedElementIndex.setData(i);
}
}
}
@ -74,29 +72,32 @@ export class UIRadioButton extends UIElement {
);
if (this.SelectedElementIndex.data == null) {
const el = document.getElementById(this.IdFor(0));
el.checked = true;
checkButtons();
if (this._selectFirstAsDefault) {
const el = document.getElementById(this.IdFor(0));
// @ts-ignore
el.checked = true;
checkButtons();
}
} else {
// We check that what is selected matches the previous rendering
var checked = -1;
var expected = -1
for (let i = 0; i < self._elements.data.length; i++) {
const el = document.getElementById(self.IdFor(i));
// @ts-ignore
if (el.checked) {
checked = i;
var expected = this.SelectedElementIndex.data;
if (expected) {
for (let i = 0; i < self._elements.data.length; i++) {
const el = document.getElementById(self.IdFor(i));
// @ts-ignore
if (el.checked) {
checked = i;
}
}
if (el.value === this.SelectedElementIndex.data.value) {
expected = i;
if (expected != checked) {
const el = document.getElementById(this.IdFor(expected));
// @ts-ignore
el.checked = true;
}
}
if (expected != checked) {
const el = document.getElementById(this.IdFor(expected));
// @ts-ignore
el.checked = true;
}
}