31 lines
912 B
JavaScript
31 lines
912 B
JavaScript
class Button {
|
|
constructor(image) {
|
|
this.element = document.createElement("button");
|
|
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;
|
|
delete this.element;
|
|
}
|
|
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; |