123 lines
No EOL
3.8 KiB
TypeScript
123 lines
No EOL
3.8 KiB
TypeScript
import {UIElement} from "../UIElement";
|
|
import {InputElement} from "./InputElement";
|
|
import Translations from "../i18n/Translations";
|
|
import {UIEventSource} from "../../Logic/UIEventSource";
|
|
|
|
export class NumberField extends InputElement<number> {
|
|
private readonly value: UIEventSource<number>;
|
|
public readonly enterPressed = new UIEventSource<string>(undefined);
|
|
private readonly _placeholder: UIElement;
|
|
private options?: {
|
|
placeholder?: string | UIElement,
|
|
value?: UIEventSource<number>,
|
|
isValid?: ((i: number) => boolean),
|
|
min?: number,
|
|
max?: number
|
|
};
|
|
public readonly IsSelected: UIEventSource<boolean> = new UIEventSource<boolean>(false);
|
|
private readonly _isValid: (i:number) => boolean;
|
|
|
|
constructor(options?: {
|
|
placeholder?: string | UIElement,
|
|
value?: UIEventSource<number>,
|
|
isValid?: ((i:number) => boolean),
|
|
min?: number,
|
|
max?:number
|
|
}) {
|
|
super(undefined);
|
|
this.options = options;
|
|
const self = this;
|
|
this.value = new UIEventSource<number>(undefined);
|
|
this.value = options?.value ?? new UIEventSource<number>(undefined);
|
|
|
|
this._isValid = options.isValid ?? ((i) => true);
|
|
|
|
this._placeholder = Translations.W(options.placeholder ?? "");
|
|
this.ListenTo(this._placeholder._source);
|
|
|
|
this.onClick(() => {
|
|
self.IsSelected.setData(true)
|
|
});
|
|
this.value.addCallback((t) => {
|
|
const field = document.getElementById("txt-"+this.id);
|
|
if (field === undefined || field === null) {
|
|
return;
|
|
}
|
|
field.className = self.IsValid(t) ? "" : "invalid";
|
|
|
|
if (t === undefined || t === null) {
|
|
return;
|
|
}
|
|
// @ts-ignore
|
|
field.value = t;
|
|
});
|
|
this.dumbMode = false;
|
|
}
|
|
|
|
GetValue(): UIEventSource<number> {
|
|
return this.value;
|
|
}
|
|
|
|
InnerRender(): string {
|
|
|
|
const placeholder = this._placeholder.InnerRender().replace("'", "'");
|
|
|
|
let min = "";
|
|
if(this.options.min){
|
|
min = `min='${this.options.min}'`;
|
|
}
|
|
|
|
let max = "";
|
|
if(this.options.min){
|
|
max = `max='${this.options.max}'`;
|
|
}
|
|
|
|
return `<span id="${this.id}"><form onSubmit='return false' class='form-text-field'>` +
|
|
`<input type='number' ${min} ${max} placeholder='${placeholder}' id='txt-${this.id}'>` +
|
|
`</form></span>`;
|
|
}
|
|
|
|
InnerUpdate() {
|
|
const field = document.getElementById("txt-" + this.id);
|
|
const self = this;
|
|
field.oninput = () => {
|
|
|
|
// How much characters are on the right, not including spaces?
|
|
// @ts-ignore
|
|
const endDistance = field.value.substring(field.selectionEnd).replace(/ /g,'').length;
|
|
// @ts-ignore
|
|
let val: number = Number(field.value);
|
|
if (!self.IsValid(val)) {
|
|
self.value.setData(undefined);
|
|
} else {
|
|
self.value.setData(val);
|
|
}
|
|
|
|
};
|
|
|
|
if (this.value.data !== undefined && this.value.data !== null) {
|
|
// @ts-ignore
|
|
field.value = this.value.data;
|
|
}
|
|
|
|
field.addEventListener("focusin", () => self.IsSelected.setData(true));
|
|
field.addEventListener("focusout", () => self.IsSelected.setData(false));
|
|
|
|
|
|
field.addEventListener("keyup", function (event) {
|
|
if (event.key === "Enter") {
|
|
// @ts-ignore
|
|
self.enterPressed.setData(field.value);
|
|
}
|
|
});
|
|
|
|
}
|
|
|
|
IsValid(t: number): boolean {
|
|
if (t === undefined || t === null) {
|
|
return false
|
|
}
|
|
return this._isValid(t);
|
|
}
|
|
|
|
} |