new version with WorkingCopy Management

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / packageview / SelectionTransferDragAdapter.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/packageview/SelectionTransferDragAdapter.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/packageview/SelectionTransferDragAdapter.java
new file mode 100644 (file)
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--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/packageview/SelectionTransferDragAdapter.java
@@ -0,0 +1,43 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.packageview;
+
+import java.util.Iterator;
+
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IPackageFragmentRoot;
+
+import net.sourceforge.phpdt.internal.ui.dnd.BasicSelectionTransferDragAdapter;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+public class SelectionTransferDragAdapter extends BasicSelectionTransferDragAdapter {
+               
+       public SelectionTransferDragAdapter(ISelectionProvider provider) {
+               super(provider);
+       }
+
+       protected boolean isDragable(ISelection selection) {
+               if (selection instanceof IStructuredSelection) {
+                       for (Iterator iter= ((IStructuredSelection)selection).iterator(); iter.hasNext();) {
+                               Object element= iter.next();
+                               if (element instanceof IJavaElement) {
+                                       IPackageFragmentRoot root= (IPackageFragmentRoot)((IJavaElement)element).getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
+                                       if (root != null && root.isArchive())
+                                               return false;
+                               }
+                       }
+                       return true;
+               }
+               return false;
+       }
+}