import UI from "./ui.js"; class Button extends UI { constructor(image) { super(document.createElement("button"), 50, 50); this.element.classList.add("shadow"); this.element.style.backgroundImage = "url(images/" + image + ".svg)"; this._boundClick = this._onClick.bind(this); this.element.addEventListener("click", this._boundClick, false); this._handlers = []; } destructor() { this.element.removeEventListener("click", this._boundClick); delete this._boundClick; delete this._handlers; super.destructor(); } addHandler(handler) { this._handlers.push(handler); } setPosition(x, y) { this.element.style.position = "absolute"; this.element.style.top = y + "px"; this.element.style.left = x + "px"; } _onClick(e) { for (let i = 0; i < this._handlers.length; ++i) { this._handlers[i](e); } } } export default Button;