NguiLocalScaleBinding

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

[System.Serializable]
[AddComponentMenu("NGUI/NData/NguiLocalScaleBinding Binding")]
public class NguiLocalScaleBinding : NguiBinding
{
    private EZData.Property<Vector3> _property;

    private Vector3 _prevValue = new Vector3();
    private bool _ignoreChanges = false;

    private Vector3 _transformReceiver;

    public override void Awake()
    {
        base.Awake();

        _transformReceiver = gameObject.transform.localScale;
    }

    public override void UpdateBinding()
    {
        _property = null;

        var context = GetContext();
        if (context == null)
        {
            Debug.LogWarning("NguiLocalScaleBinding.UpdateBinding - context is null");
            return;
        }

        _property = context.FindProperty<Vector3>(Path, this);

        if (_property != null)
        {
            _property.OnChange += OnChange;
        }
        OnChange();
    }

    void Update()
    {
        if (_transformReceiver != null && _property != null)
        {
            if (_prevValue != _transformReceiver)
            {
                _prevValue = _transformReceiver;
                _ignoreChanges = true;
                _property.SetValue(_transformReceiver);
                _ignoreChanges = false;
            }
        }
    }

    public void OnChange()
    {
        if (_ignoreChanges)
            return;

        if (_property == null || _transformReceiver == null)
            return;

        _transformReceiver = _property.GetValue();
        gameObject.transform.localScale = _transformReceiver;
    }
}