add a ResourceMove() and a ResourceCopy() method to DataFile

maul-esel · May 3, 2012 · b77801e · b77801e
1 parent eff7b03
commit b77801e
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diff --git a/ChameleonCoder.Abstract/Files/IDataFile.cs b/ChameleonCoder.Abstract/Files/IDataFile.cs
@@ -45,6 +45,8 @@ public interface IDataFile : IAppComponent
 
         void ResourceDelete(IResource resource);
         void ResourceInsert(IResource resource, IResource parent);
+        void ResourceMove(IResource resource, IResource newParent);
+        IResource ResourceCopy(IResource resource, IResource newParent);
 
         void ResourceSetCreatedDate(IResource resource);
         void ResourceSetCreatedDate(IResource resource, DateTime time);

diff --git a/ChameleonCoder.Core/Files/DataFile.cs b/ChameleonCoder.Core/Files/DataFile.cs
@@ -454,6 +454,28 @@ public void ResourceInsert(IResource resource, IResource parent)
             AddPrivateResourceData(resource, element);
         }
 
+        public void ResourceMove(IResource resource, IResource newParent)
+        {
+            if (resource != null)
+            {
+                DeleteResourceElement(resource); // remove old XML element
+                RemovePrivateResourceData(resource); // remove all references to the resource
+
+                ResourceInsert(resource, newParent); // add new XML element and add references
+            }
+        }
+
+        public IResource ResourceCopy(IResource resource, IResource newParent)
+        {
+            if (resource != null)
+            {
+                IResource newResource = App.ResourceTypeMan.CreateInstanceOf(App.ResourceTypeMan.GetKey(resource.GetType()), resource.Attributes.Clone(), newParent, this);
+                ResourceInsert(newResource, newParent);
+                return newResource;
+            }
+            throw new ArgumentNullException("resource");
+        }
+
         private void DeleteResourceElement(IResource resource)
         {
             XmlElement element = mappings[resource.Attributes];