using UnityEngine;
using System.Collections;
using Coolape;
using System.Collections.Generic;

public class MyDragManager : UIEventListener
{
	public UIDragPageContents _dragPage;

	public UIDragPageContents dragPage {
		get {
			if (_dragPage == null) {
				UIGridPage gridpage = GetComponentInParent<UIGridPage> ();
				if (gridpage != null) {
					_dragPage = gridpage.GetComponentInParent<UIDragPageContents> ();
				}
			}
			return _dragPage;
		}
	}

	public UIDragScrollView _dragContent;

	public UIDragScrollView dragContent {
		get {
			if (_dragContent == null) {
				_dragContent = GetComponentInParent<UIDragScrollView> ();
			}
			return _dragContent;
		}
	}

	//	Vector2 totalDelta = Vector2.zero;

	public void Start ()
	{
		if (dragPage != null)
			dragPage.enabled = true;
		if (dragContent != null)
			dragContent.enabled = true;
	}

	bool canDrag = false;

	public void OnPress (bool isPressed)
	{
		if (!NGUITools.GetActive (this))
			return;
		if (isPressed) {
			canDrag = true;
			if (dragPage != null) {
				dragPage.enabled = true;
				dragPage.OnPress (isPressed);
			}
			if (dragContent != null) {
				dragContent.enabled = true;
				dragContent.OnPress (isPressed);
			}
		} else {
			canDrag = false;

			if (dragPage != null) {
				dragPage.enabled = true;
				dragPage.OnPress (isPressed);
			}
			if (dragContent != null) {
				dragContent.enabled = true;
				dragContent.OnPress (isPressed);
			}
		}
	}

	public void notifyDrag (Vector2 delta)
	{
		if (!NGUITools.GetActive (this))
			return;
		if (dragPage != null && dragPage.enabled) {
			dragPage.OnDrag (delta);
		}
		if (dragContent != null && dragContent.enabled) {
			dragContent.OnDrag (delta);
		}
	}

	public void OnDrag (Vector2 delta)
	{
		if (!NGUITools.GetActive (this))
			return;
		if (!canDrag) {
			return;
		}
		canDrag = false;
		if (Mathf.Abs (delta.x) > Mathf.Abs (delta.y)) {
//			dragPage.enabled = true;
			if (dragPage != null) {
				dragPage.enabled = true;
				dragContent.enabled = false;
//				dragPage.OnPress (true);
//				dragPage.OnDrag (delta);
			}
		} else {
			if (dragContent != null) {
				dragContent.enabled = true;
				dragPage.enabled = false;
//				dragContent.OnPress (true);
//				dragContent.OnDrag (delta);
			}
		}
	}
}