104 lines
2.6 KiB
JavaScript
104 lines
2.6 KiB
JavaScript
/**
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Attributes:
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@property {number} value
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@property {number} stepSize
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@property {number} largeStepSize
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*/
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export class DotDungeonIncrementer extends HTMLElement {
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static elementName = `dd-incrementer`;
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static styles = ``;
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#input;
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#publicInput;
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#sr;
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constructor() {
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super();
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const value = this.getAttribute(`value`);
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/*
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This input exists for the sole purpose of making it so that the form data
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works with this input without needing to do jank work arounds (even though
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this on it's own is already a sort of jank work around).
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*/
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const hiddenInput = document.createElement(`input`);
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hiddenInput.type = `hidden`;
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hiddenInput.name = this.getAttribute(`name`);
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hiddenInput.value = value;
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this.#publicInput = hiddenInput;
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this.appendChild(hiddenInput);
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const sr = this.attachShadow({ mode: `open` });
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this.#sr = sr;
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const container = document.createElement(`div`);
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if (DotDungeonIncrementer.styles) this.#embedStyles();
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const input = document.createElement(`input`);
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this.#input = input;
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input.type = `number`;
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input.addEventListener(`change`, this.#updateValue.bind(this));
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input.value = value;
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const increment = document.createElement(`button`);
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increment.innerHTML = `+`;
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increment.type = `button`;
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increment.classList.value = `increment`;
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increment.addEventListener(`click`, this.#increment.bind(this));
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const decrement = document.createElement(`button`);
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decrement.innerHTML = `-`;
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decrement.type = `button`;
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decrement.classList.value = `decrement`;
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decrement.addEventListener(`click`, this.#decrement.bind(this));
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// Construct the DOM
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container.appendChild(decrement);
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container.appendChild(input);
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container.appendChild(increment);
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sr.appendChild(container);
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};
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connectedCallback() {
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if (!DotDungeonIncrementer.styles) {
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fetch(`./systems/dotdungeon/.styles/components/incrementer.css`)
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.then(r => r.text())
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.then(t => {
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DotDungeonIncrementer.styles = t;
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this.#embedStyles();
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});
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};
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};
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#embedStyles() {
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const style = document.createElement(`style`);
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style.innerHTML = DotDungeonIncrementer.styles;
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this.#sr.appendChild(style);
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};
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#updateValue() {
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this.#publicInput.value = this.#input.value;
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const event = new Event(`change`, { bubbles: true });
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this.#publicInput.dispatchEvent(event);
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};
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#increment() {
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this.#input.value++;
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this.#updateValue();
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};
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#decrement() {
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this.#input.value--;
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this.#updateValue();
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};
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};
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if (!window.customElements.get(DotDungeonIncrementer.elementName)) {
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window.customElements.define(
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DotDungeonIncrementer.elementName,
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DotDungeonIncrementer
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);
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};
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