1 files changed, 65 insertions, 0 deletions
diff --git a/Assets/SampleUI/Scripts/DropMe.cs b/Assets/SampleUI/Scripts/DropMe.cs
new file mode 100755
index 0000000..cb4bca5
--- /dev/null
+++ b/Assets/SampleUI/Scripts/DropMe.cs
@@ -0,0 +1,65 @@
+using System.Reflection;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+public class DropMe : MonoBehaviour, IDropHandler, IPointerEnterHandler, IPointerExitHandler
+{
+	public Image containerImage;
+	public Image receivingImage;
+	private Color normalColor;
+	public Color highlightColor = Color.yellow;
+	
+	public void OnEnable ()
+	{
+		if (containerImage != null)
+			normalColor = containerImage.color;
+	}
+	
+	public void OnDrop(PointerEventData data)
+	{
+		containerImage.color = normalColor;
+		
+		if (receivingImage == null)
+			return;
+		
+		Sprite dropSprite = GetDropSprite (data);
+		if (dropSprite != null)
+			receivingImage.overrideSprite = dropSprite;
+	}
+
+	public void OnPointerEnter(PointerEventData data)
+	{
+		if (containerImage == null)
+			return;
+		
+		Sprite dropSprite = GetDropSprite (data);
+		if (dropSprite != null)
+			containerImage.color = highlightColor;
+	}
+
+	public void OnPointerExit(PointerEventData data)
+	{
+		if (containerImage == null)
+			return;
+		
+		containerImage.color = normalColor;
+	}
+	
+	private Sprite GetDropSprite(PointerEventData data)
+	{
+		var originalObj = data.pointerDrag;
+		if (originalObj == null)
+			return null;
+		
+		var dragMe = originalObj.GetComponent<DragMe>();
+		if (dragMe == null)
+			return null;
+		
+		var srcImage = originalObj.GetComponent<Image>();
+		if (srcImage == null)
+			return null;
+		
+		return srcImage.sprite;
+	}
+}