const { ccclass, menu, requireComponent } = cc._decorator;

@ccclass
// @menu("Plug-in/EditBox/EditboxEx")
@requireComponent(cc.EditBox)
export default class EditboxEx extends cc.Component {

	//#region private

	private _worldPos: cc.Vec2 = null;

	//#endregion

	//#region Lifecycle

	protected onLoad(): void {
		if (CC_DEV || cc.sys.isNative) {
			let editbox: cc.EditBox = this.node.getComponent(cc.EditBox);
			this._worldPos = this.node.GetWorldPosition();
			editbox.node.on("editing-did-began", this._onEditDidBegan, this);
			editbox.node.on("editing-did-ended", this._onEditDidEnded, this);
		}
	}

	//#endregion

	//#region EventListener

	private _onEditDidBegan(editbox: cc.EditBox, customEventData: string): void {
		let winSizeHeight: number = cc.winSize.height;
		let nodeSizeHeight: number = this.node.height / 2;
		let targetHeight: number = winSizeHeight - nodeSizeHeight;
		let worldPos: cc.Vec2 = cc.v2(this.node.GetWorldPosition().x, targetHeight);
		this.node.SetWorldPosition(worldPos);
	}

	// 假设这个回调是给 editingDidEnded 事件的
	private _onEditDidEnded(editbox: cc.EditBox, customEventData: string): void {
		this.node.SetWorldPosition(this._worldPos);
	}

	//#endregion
}