Moved Shader folder under a Resources folder to resolve UI Particle system and other shader issues.

Resolves #229

Examples/UIParticleSystem.meta

@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: 65272187a39b1a64cb82bb9a55cdb703
+folderAsset: yes
+timeCreated: 1521741350
+licenseType: Free
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Examples/UIParticleSystem/UIParticleSystem.unity.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 6de6e08d11a51d14c97c4f7c647a1fca
+timeCreated: 1521741378
+licenseType: Free
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Resources.meta

@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: a7296bad073428c4796089b44a48cab9
+folderAsset: yes
+timeCreated: 1521742084
+licenseType: Free
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Resources/Shaders/UIImageCrop.shader

@@ -1,69 +1,69 @@
-// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
-
-/// Credit 00christian00
-/// Sourced from - http://forum.unity3d.com/threads/any-way-to-show-part-of-an-image-without-using-mask.360085/#post-2332030
-
-Shader "UI Extensions/UI Image Crop" {
-	Properties
-	{
-		_MainTex ("Base (RGB)", 2D) = "white" {}
-
-		_XCrop ("X Crop", Range(0.0,1.0)) = 1
-		_YCrop ("Y Crop", Range(0.0,1.0)) = 1
-	}
-	
-	SubShader {
-
-	ZWrite Off
-	Tags
-		{
-			"Queue" = "Transparent"
-			"RenderType" = "Transparent"
-			"IgnoreProjector" = "True"
-		}
-		Blend SrcAlpha OneMinusSrcAlpha 
-	
-    Pass {
-
-      CGPROGRAM
-	 
-      #pragma vertex vert
-      #pragma fragment frag
-      #include "UnityCG.cginc"
-    
-      struct v2f {
-          float4 pos : POSITION;
-          fixed4 color : COLOR;
-		  float2 uv 	: TEXCOORD0; //UV1 coord
-      };
-      
-	  uniform sampler2D _MainTex;
-	  float4 _MainTex_ST;
-	  uniform float _XCrop;
-	  uniform float _YCrop;
-	  
-      v2f vert (v2f v)
-      {
-	  
-          v2f o;
-		  o.color=v.color;
-		  o.color.a=0.1;
-		  o.pos = UnityObjectToClipPos (v.pos);
-		  
-		  o.uv=TRANSFORM_TEX(v.uv, _MainTex); 
-		 
-          return o;
-      }
-      fixed4 frag (v2f i) : COLOR
-	  { 
-	  
-	  //return fixed4(0.25,0,0,1);
-	  i.color.a=step(i.uv.x,_XCrop);
-	  //I don't like the bottom up ordering,so I reverse it
-	  i.color.a=i.color.a*step(1-i.uv.y,_YCrop);
-	  return i.color * tex2D (_MainTex, i.uv);
-	   }
-      ENDCG
-    }
-  } 
-}
+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+/// Credit 00christian00
+/// Sourced from - http://forum.unity3d.com/threads/any-way-to-show-part-of-an-image-without-using-mask.360085/#post-2332030
+
+Shader "UI Extensions/UI Image Crop" {
+	Properties
+	{
+		_MainTex ("Base (RGB)", 2D) = "white" {}
+
+		_XCrop ("X Crop", Range(0.0,1.0)) = 1
+		_YCrop ("Y Crop", Range(0.0,1.0)) = 1
+	}
+	
+	SubShader {
+
+	ZWrite Off
+	Tags
+		{
+			"Queue" = "Transparent"
+			"RenderType" = "Transparent"
+			"IgnoreProjector" = "True"
+		}
+		Blend SrcAlpha OneMinusSrcAlpha 
+	
+    Pass {
+
+      CGPROGRAM
+	 
+      #pragma vertex vert
+      #pragma fragment frag
+      #include "UnityCG.cginc"
+    
+      struct v2f {
+          float4 pos : POSITION;
+          fixed4 color : COLOR;
+		  float2 uv 	: TEXCOORD0; //UV1 coord
+      };
+      
+	  uniform sampler2D _MainTex;
+	  float4 _MainTex_ST;
+	  uniform float _XCrop;
+	  uniform float _YCrop;
+	  
+      v2f vert (v2f v)
+      {
+	  
+          v2f o;
+		  o.color=v.color;
+		  o.color.a=0.1;
+		  o.pos = UnityObjectToClipPos (v.pos);
+		  
+		  o.uv=TRANSFORM_TEX(v.uv, _MainTex); 
+		 
+          return o;
+      }
+      fixed4 frag (v2f i) : COLOR
+	  { 
+	  
+	  //return fixed4(0.25,0,0,1);
+	  i.color.a=step(i.uv.x,_XCrop);
+	  //I don't like the bottom up ordering,so I reverse it
+	  i.color.a=i.color.a*step(1-i.uv.y,_YCrop);
+	  return i.color * tex2D (_MainTex, i.uv);
+	   }
+      ENDCG
+    }
+  } 
+}

Resources/Shaders/UIParticleHidden.shader

@@ -1,38 +1,38 @@
-Shader "UI/Particles/Hidden"
-{
-    Properties
-    {
-    }
-    SubShader
-    {
-        Tags { "Queue"="Geometry" "RenderType"="Opaque" }
-        Cull Off Lighting Off ZWrite Off Fog { Mode Off }
-        LOD 100
- 
-        Pass
-        {
-            CGPROGRAM
-            #pragma vertex vert
-            #pragma fragment frag
- 
-            struct v2f
-            {
-                float4 vertex : SV_POSITION;
-            };
- 
-            v2f vert ()
-            {
-                v2f o;
-                o.vertex = fixed4(0, 0, 0, 0);
-                return o;
-            }
-           
-            fixed4 frag (v2f i) : SV_Target
-            {
-                discard;
-                return fixed4(0, 0, 0, 0);
-            }
-            ENDCG
-        }
-    }
+Shader "UI/Particles/Hidden"
+{
+    Properties
+    {
+    }
+    SubShader
+    {
+        Tags { "Queue"="Geometry" "RenderType"="Opaque" }
+        Cull Off Lighting Off ZWrite Off Fog { Mode Off }
+        LOD 100
+ 
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+ 
+            struct v2f
+            {
+                float4 vertex : SV_POSITION;
+            };
+ 
+            v2f vert ()
+            {
+                v2f o;
+                o.vertex = fixed4(0, 0, 0, 0);
+                return o;
+            }
+           
+            fixed4 frag (v2f i) : SV_Target
+            {
+                discard;
+                return fixed4(0, 0, 0, 0);
+            }
+            ENDCG
+        }
+    }
 }

Scripts/Controls/ReorderableList/ReorderableListElement.cs

@@ -9,7 +9,7 @@ using UnityEngine.EventSystems;
 namespace UnityEngine.UI.Extensions
 {
 
-    [RequireComponent(typeof(RectTransform))]
+    [RequireComponent(typeof(RectTransform), typeof(LayoutElement))]
     public class ReorderableListElement : MonoBehaviour, IDragHandler, IBeginDragHandler, IEndDragHandler
     {
         [Tooltip("Can this element be dragged?")]