/******************************************************************************
 * Spine Runtimes Software License
 * Version 2.3
 * 
 * Copyright (c) 2013-2015, Esoteric Software
 * All rights reserved.
 * 
 * You are granted a perpetual, non-exclusive, non-sublicensable and
 * non-transferable license to use, install, execute and perform the Spine
 * Runtimes Software (the "Software") and derivative works solely for personal
 * or internal use. Without the written permission of Esoteric Software (see
 * Section 2 of the Spine Software License Agreement), you may not (a) modify,
 * translate, adapt or otherwise create derivative works, improvements of the
 * Software or develop new applications using the Software or (b) remove,
 * delete, alter or obscure any trademarks or any copyright, trademark, patent
 * or other intellectual property or proprietary rights notices on or in the
 * Software, including any copy thereof. Redistributions in binary or source
 * form must include this license and terms.
 * 
 * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

using UnityEngine;
using UnityEditor;
using System;
using System.Collections;
using System.Reflection;

[CustomEditor(typeof(SkeletonUtilitySubmeshRenderer))]
public class SkeletonUtilitySubmeshRendererInspector : Editor {

	private static MethodInfo EditorGUILayoutSortingLayerField;
	protected SerializedObject rendererSerializedObject;
	protected SerializedProperty sortingLayerIDProperty;

	SkeletonUtilitySubmeshRenderer component;

	void OnEnable () {
		component = (SkeletonUtilitySubmeshRenderer)target;

		if (EditorGUILayoutSortingLayerField == null)
			EditorGUILayoutSortingLayerField = typeof(EditorGUILayout).GetMethod("SortingLayerField", BindingFlags.Static | BindingFlags.NonPublic, null, new Type[] { typeof(GUIContent), typeof(SerializedProperty), typeof(GUIStyle) }, null);

		rendererSerializedObject = new SerializedObject(((SkeletonUtilitySubmeshRenderer)target).GetComponent<Renderer>());
		sortingLayerIDProperty = rendererSerializedObject.FindProperty("m_SortingLayerID");
	}

	public override void OnInspectorGUI () {
		// Sorting Layers
		{
			var renderer = component.GetComponent<Renderer>();
			if (renderer != null) {
				EditorGUI.BeginChangeCheck();

				if (EditorGUILayoutSortingLayerField != null && sortingLayerIDProperty != null) {
					EditorGUILayoutSortingLayerField.Invoke(null, new object[] { new GUIContent("Sorting Layer"), sortingLayerIDProperty, EditorStyles.popup });
				} else {
					renderer.sortingLayerID = EditorGUILayout.IntField("Sorting Layer ID", renderer.sortingLayerID);
				}

				renderer.sortingOrder = EditorGUILayout.IntField("Order in Layer", renderer.sortingOrder);

				if (EditorGUI.EndChangeCheck()) {
					rendererSerializedObject.ApplyModifiedProperties();
					EditorUtility.SetDirty(renderer);
				}
			}
		}
	}
}
