### Eclipse Workspace Patch 1.0
#P org.eclipse.ui.navigator
Index: src/org/eclipse/ui/navigator/INavigatorDnDService.java
===================================================================
RCS file: /home/eclipse/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/INavigatorDnDService.java,v
retrieving revision 1.3
diff -u -r1.3 INavigatorDnDService.java
--- src/org/eclipse/ui/navigator/INavigatorDnDService.java	22 Feb 2006 20:39:48 -0000	1.3
+++ src/org/eclipse/ui/navigator/INavigatorDnDService.java	24 Feb 2006 04:44:38 -0000
@@ -14,7 +14,6 @@
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.swt.dnd.TransferData;
 
-
 /**
  * 
  * Provides instances of {@link CommonDragAdapterAssistant} and
@@ -31,7 +30,7 @@
  * 
  * <p>
  * This interface is not intended to be implemented by clients.
- * </p> 
+ * </p>
  * 
  * @see CommonDragAdapter
  * @see CommonDragAdapterAssistant
@@ -59,19 +58,29 @@
 	 * viewer using the <b>dragAssistant</b> element. This element defines a
 	 * class which extends {@link CommonDragAdapterAssistant} and can direct the
 	 * viewer on how to provide different kinds of DND Transfer Types. The array
-	 * is returned in no particular order. 
+	 * is returned in no particular order.
 	 * 
 	 * @return An array of {@link CommonDragAdapterAssistant} or an empty array.
 	 */
 	CommonDragAdapterAssistant[] getCommonDragAssistants();
 
 	/**
+	 * Clients may choose to programmatically bind drag assistants to an
+	 * instance of the DND Service. A programmatic binding is not persisted
+	 * between sessions and is not propagated to other instances of
+	 * {@link INavigatorContentService} with the same id. 
+	 * 
+	 * @param anAssistant The assistant to bind.
+	 */
+	void bindDragAssistant(CommonDragAdapterAssistant anAssistant);
+
+	/**
 	 * 
 	 * This method returns an array of {@link CommonDropAdapterAssistant} from
 	 * content extensions that are <i>visible</i> and <i>active</i> for the
 	 * associated {@link INavigatorContentService}. The array is sorted by
 	 * priority, with overrides taken into account.
-	 *  
+	 * 
 	 * <p>
 	 * The array should be processed from the first element to the last, asking
 	 * each extension to
@@ -83,8 +92,8 @@
 	 * 
 	 * @param aDropTarget
 	 *            The target element in the viewer of the drop operation.
-	 * @param theTransferType 
-	 * 			  The transfer type of the current drop operation.
+	 * @param theTransferType
+	 *            The transfer type of the current drop operation.
 	 * @return An array of {@link CommonDropAdapterAssistant}s that are defined
 	 *         by the set of
 	 *         <b>org.eclipse.ui.navigator.navigatorContent/navigatorContent</b>
@@ -93,13 +102,13 @@
 	 */
 	CommonDropAdapterAssistant[] findCommonDropAdapterAssistants(
 			Object aDropTarget, TransferData theTransferType);
-	
+
 	/**
 	 * 
 	 * This method returns an array of {@link CommonDropAdapterAssistant} from
 	 * content extensions that are <i>visible</i> and <i>active</i> for the
-	 * associated {@link INavigatorContentService}.  
-	 *  
+	 * associated {@link INavigatorContentService}.
+	 * 
 	 * <p>
 	 * The array should be processed from the first element to the last, asking
 	 * each extension to
@@ -111,8 +120,8 @@
 	 * 
 	 * @param aDropTarget
 	 *            The target element in the viewer of the drop operation.
-	 * @param theDragSelection 
-	 * 			  The drag selection of the current drop operation.
+	 * @param theDragSelection
+	 *            The drag selection of the current drop operation.
 	 * @return An array of {@link CommonDropAdapterAssistant}s that are defined
 	 *         by the set of
 	 *         <b>org.eclipse.ui.navigator.navigatorContent/navigatorContent</b>
Index: src/org/eclipse/ui/internal/navigator/dnd/NavigatorDnDService.java
===================================================================
RCS file: /home/eclipse/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/dnd/NavigatorDnDService.java,v
retrieving revision 1.2
diff -u -r1.2 NavigatorDnDService.java
--- src/org/eclipse/ui/internal/navigator/dnd/NavigatorDnDService.java	22 Feb 2006 17:11:25 -0000	1.2
+++ src/org/eclipse/ui/internal/navigator/dnd/NavigatorDnDService.java	24 Feb 2006 04:44:36 -0000
@@ -62,20 +62,33 @@
 
 	public synchronized CommonDragAdapterAssistant[] getCommonDragAssistants() {
 
-		if (dragAssistants == null) {
-			int i = 0;
-			Set dragDescriptors = ((NavigatorViewerDescriptor) contentService
-					.getViewerDescriptor()).getDragAssistants();
-			dragAssistants = new CommonDragAdapterAssistant[dragDescriptors
-					.size()];
-			for (Iterator iter = dragDescriptors.iterator(); iter.hasNext();) {
-				CommonDragAssistantDescriptor descriptor = (CommonDragAssistantDescriptor) iter
-						.next();
-				dragAssistants[i++] = descriptor.createDragAssistant();
-			}
-		}
+		if (dragAssistants == null) 
+			initializeDragAssistants(); 
 		return dragAssistants;
 	}
+ 
+	private void initializeDragAssistants() {
+		int i = 0;
+		Set dragDescriptors = ((NavigatorViewerDescriptor) contentService
+				.getViewerDescriptor()).getDragAssistants();
+		dragAssistants = new CommonDragAdapterAssistant[dragDescriptors
+				.size()];
+		for (Iterator iter = dragDescriptors.iterator(); iter.hasNext();) {
+			CommonDragAssistantDescriptor descriptor = (CommonDragAssistantDescriptor) iter
+					.next();
+			dragAssistants[i++] = descriptor.createDragAssistant();
+		}
+	}
+	
+
+	public synchronized void bindDragAssistant(CommonDragAdapterAssistant anAssistant) {
+		if(dragAssistants == null) 
+			initializeDragAssistants(); 
+		CommonDragAdapterAssistant[] newDragAssistants = new CommonDragAdapterAssistant[dragAssistants.length + 1];
+		System.arraycopy(dragAssistants, 0, newDragAssistants, 0, dragAssistants.length);
+		newDragAssistants[dragAssistants.length] = anAssistant;
+		dragAssistants = newDragAssistants;		
+	}
 
 	public CommonDropAdapterAssistant[] findCommonDropAdapterAssistants(
 			Object aDropTarget, TransferData aTransferType) {