Add multi-checkbox component

This commit is contained in:
Pieter Vander Vennet 2020-09-09 22:17:46 +02:00
parent e4bbf9a054
commit eab842d18a
3 changed files with 138 additions and 5 deletions

113
UI/Input/Checkboxes.ts Normal file
View file

@ -0,0 +1,113 @@
import {InputElement} from "./InputElement";
import {UIEventSource} from "../../Logic/UIEventSource";
import {Utils} from "../../Utils";
/**
* Supports multi-input
*/
export class CheckBoxes<T> extends InputElement<T[]> {
IsSelected: UIEventSource<boolean> = new UIEventSource<boolean>(false);
private readonly _selectedElementIndex: UIEventSource<number>
= new UIEventSource<number>(null);
private readonly value: UIEventSource<T[]>;
private readonly _elements: InputElement<T>[]
private readonly _selectFirstAsDefault: boolean;
constructor(elements: InputElement<T>[],
selectFirstAsDefault = true) {
super(undefined);
this._elements = Utils.NoNull(elements);
this._selectFirstAsDefault = selectFirstAsDefault;
this.value = new UIEventSource<T[]>([])
this.ListenTo(this.value);
}
IsValid(ts: T[]): boolean {
if (ts === undefined) {
return false;
}
for (const t of ts) {
let matchFound = false;
for (const element of this._elements) {
if (element.IsValid(t)) {
matchFound = true;
break
}
}
if (!matchFound) {
return false;
}
}
return true;
}
GetValue(): UIEventSource<T[]> {
return this.value;
}
private IdFor(i) {
return 'checkmark-' + this.id + '-' + i;
}
InnerRender(): string {
let body = "";
for (let i = 0; i < this._elements.length; i++) {
let el = this._elements[i];
const htmlElement =
`<input type="checkbox" id="${this.IdFor(i)}"><label for="${this.IdFor(i)}">${el.Render()}</label><br/>`;
body += htmlElement;
}
return `<form id='${this.id}-form'>${body}</form>`;
}
protected InnerUpdate(htmlElement: HTMLElement) {
super.InnerUpdate(htmlElement);
const self = this;
for (let i = 0; i < this._elements.length; i++) {
const el = document.getElementById(this.IdFor(i));
const inputEl = this._elements[i];
{
const v = inputEl.GetValue().data;
const index = self.value.data.indexOf(v);
if(index >= 0){
// @ts-ignore
el.checked = true;
}
}
el.onchange = e => {
const v = inputEl.GetValue().data;
const index = self.value.data.indexOf(v);
// @ts-ignore
if (el.checked) {
if (index < 0) {
self.value.data.push(v);
self.value.ping();
}
} else {
if (index >= 0) {
self.value.data.splice(index, 1);
self.value.ping();
}
}
}
}
}
}

View file

@ -16,7 +16,6 @@ export class RadioButton<T> extends InputElement<T> {
constructor(elements: InputElement<T>[],
selectFirstAsDefault = true) {
super(undefined);
console.log("Created new radiobutton with values ", elements)
this._elements = Utils.NoNull(elements);
this._selectFirstAsDefault = selectFirstAsDefault;
const self = this;
@ -66,15 +65,14 @@ export class RadioButton<T> extends InputElement<T> {
InnerRender(): string {
let body = "";
let i = 0;
for (const el of this._elements) {
for (let i = 0; i < this._elements.length; i++){
const el = this._elements[i];
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>";

24
test.ts
View file

@ -1,4 +1,26 @@
import BikeCafes from "./Customizations/Layers/BikeCafes";
import {CheckBoxes} from "./UI/Input/Checkboxes";
import {FixedInputElement} from "./UI/Input/FixedInputElement";
import {VariableUiElement} from "./UI/Base/VariableUIElement";
console.log(JSON.stringify(new BikeCafes()))
const cb = new CheckBoxes(
[ new FixedInputElement("One", 1),
new FixedInputElement("Two",2),
new FixedInputElement("Thee",3)]
)
cb.AttachTo("maindiv");
new VariableUiElement(cb.GetValue().map(ts => ts?.join(", "))).AttachTo("extradiv")
window.setTimeout(() => {
cb.GetValue().setData([2,3]);
}, 2500)
window.setTimeout(() => {
cb.GetValue().setData([2]);
}, 3000)
window.setTimeout(() => {
cb.GetValue().setData([1, 2]);
}, 3500)