1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / dnd / JdtViewerDragAdapter.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dnd/JdtViewerDragAdapter.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dnd/JdtViewerDragAdapter.java
new file mode 100644 (file)
index 0000000..b569a2d
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/dnd/JdtViewerDragAdapter.java
@@ -0,0 +1,40 @@
+/*******************************************************************************
+ * 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.dnd;
+
+//incastrix
+//import org.eclipse.jface.text.Assert;
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.StructuredViewer;
+import org.eclipse.swt.dnd.DragSourceEvent;
+
+public class JdtViewerDragAdapter extends DelegatingDragAdapter {
+
+       private StructuredViewer fViewer;
+
+       public JdtViewerDragAdapter(StructuredViewer viewer,
+                       TransferDragSourceListener[] listeners) {
+               super(listeners);
+               Assert.isNotNull(viewer);
+               fViewer = viewer;
+       }
+
+       public void dragStart(DragSourceEvent event) {
+               IStructuredSelection selection = (IStructuredSelection) fViewer
+                               .getSelection();
+               if (selection.isEmpty()) {
+                       event.doit = false;
+                       return;
+               }
+               super.dragStart(event);
+       }
+}