mapcomplete/UI/Input/Checkboxes.ts

116 lines
3.6 KiB
TypeScript

import {InputElement} from "./InputElement";
import {UIEventSource} from "../../Logic/UIEventSource";
import {Utils} from "../../Utils";
import BaseUIElement from "../BaseUIElement";
import InputElementMap from "./InputElementMap";
export class CheckBox extends InputElementMap<number[], boolean> {
constructor(el: BaseUIElement , defaultValue?: boolean) {
super(
new CheckBoxes([el]),
(x0, x1) => x0 === x1,
t => t.length > 0,
x => x ? [0] : []
);
if(defaultValue !== undefined){
this.GetValue().setData(defaultValue)
}
}
}
/**
* A list of individual checkboxes
* The value will contain the indexes of the selected checkboxes
*/
export default class CheckBoxes extends InputElement<number[]> {
private static _nextId = 0;
IsSelected: UIEventSource<boolean> = new UIEventSource<boolean>(false);
private readonly value: UIEventSource<number[]>;
private readonly _elements: BaseUIElement[];
constructor(
elements: BaseUIElement[],
value = new UIEventSource<number[]>([])
) {
super();
this.value = value;
this._elements = Utils.NoNull(elements);
this.SetClass("flex flex-col");
}
IsValid(ts: number[]): boolean {
return ts !== undefined;
}
GetValue(): UIEventSource<number[]> {
return this.value;
}
protected InnerConstructElement(): HTMLElement {
const formTag = document.createElement("form");
const value = this.value;
const elements = this._elements;
for (let i = 0; i < elements.length; i++) {
let inputI = elements[i];
const input = document.createElement("input");
const id = CheckBoxes._nextId;
CheckBoxes._nextId++;
input.id = "checkbox" + id;
input.type = "checkbox";
input.classList.add("p-1", "cursor-pointer", "m-3", "pl-3", "mr-0");
const label = document.createElement("label");
label.htmlFor = input.id;
label.appendChild(inputI.ConstructElement());
label.classList.add(
"block",
"w-full",
"p-2",
"cursor-pointer",
"bg-red"
);
const wrapper = document.createElement("div");
wrapper.classList.add(
"wrapper",
"flex",
"w-full",
"border",
"border-gray-400",
"mb-1"
);
wrapper.appendChild(input);
wrapper.appendChild(label);
formTag.appendChild(wrapper);
value.addCallbackAndRunD((selectedValues) => {
input.checked = selectedValues.indexOf(i) >= 0;
if (input.checked) {
wrapper.classList.remove("border-gray-400");
wrapper.classList.add("border-black");
} else {
wrapper.classList.add("border-gray-400");
wrapper.classList.remove("border-black");
}
});
input.onchange = () => {
// Index = index in the list of already checked items
const index = value.data.indexOf(i);
if (input.checked && index < 0) {
value.data.push(i);
value.ping();
} else if (index >= 0) {
value.data.splice(index, 1);
value.ping();
}
};
}
return formTag;
}
}