### Eclipse Workspace Patch 1.0
#P org.eclipse.rse.ui
Index: UI/org/eclipse/rse/internal/ui/view/SystemViewDataDragAdapter.java
===================================================================
RCS file: /cvsroot/dsdp/org.eclipse.tm.rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemViewDataDragAdapter.java,v
retrieving revision 1.8
diff -u -r1.8 SystemViewDataDragAdapter.java
--- UI/org/eclipse/rse/internal/ui/view/SystemViewDataDragAdapter.java	1 Jun 2007 20:52:22 -0000	1.8
+++ UI/org/eclipse/rse/internal/ui/view/SystemViewDataDragAdapter.java	27 Jul 2007 21:08:15 -0000
@@ -16,6 +16,7 @@
  * Martin Oberhuber (Wind River) - [186128] Move IProgressMonitor last in all API
  * Martin Oberhuber (Wind River) - [186773] split ISystemRegistryUI from ISystemRegistry
  * David Dykstal (IBM) - [142065] fix drag and drop on Mac OS X
+ * Kevin Doyle (IBM) - [187536] Drag & Drop file to Editor launchs file in system editor
  ********************************************************************************/
 
 package org.eclipse.rse.internal.ui.view;
@@ -326,7 +327,7 @@
 										IFile theFile = editable.getLocalResource();	
 									
 										IEditorDescriptor preferredEditor = editRegistry.getDefaultEditor(theFile.getName()); // may be null
-										if (preferredEditor == null)
+										if (preferredEditor == null || preferredEditor.isOpenExternal())
 										{
 											preferredEditor = getDefaultTextEditor();