Bug 29778 [Navigator] Exception occurs during drag file into Run-time workbench
Reporter: Tiffany Language: Korean / Simplfied Chinese / Tranditional Chinese Build driver: eclipse-SDK-M4-linux-gtk OS: RedHat 8 JDK Ver.: IBM JDK1.3.1 + SR3 Test case #: 3.8 Using Content assist with DBCS strings Summary: DBCS: Exception occurs during drag file into Run-time workbench Steps to recreate problem: 1. Unzip the attachment (sef.zip) 2. Launch workbench with gtk build. 3. Import the plug-in com.ibm.wsweducation.solution.sef 4. Open the PDE perspective, then Select the project name. 5. Click Run icon > Run AS... > Run-time Workbench. 6. Run-time workbench pops up. 7. Create a Java project and a folder in the project in Run-time workbench. 8. Open the "Resource Perspective" in Run-time workbench. 9. Grab the test.release file in the original workbench then drag it into the folder which was created at step 7 in Run-time workbench. <<Error>> After step 9, some error messages were displayed in Console Window of the original Workbench Please refer the attachment (Exception.txt) NOTE: At step 8, if I open the "Java Perspective" in Run-time Workbench. The test.release file could be dragged into Run-time Workbench successfully without any error messages. <<Expected Result>> The test.release file should be draged into the folder in the "Resource Perspective" of Run-time workbench successfully without any error messages.
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/navigator/NavigatorDropAdapter.java
* Returns an error status, indicating why the given source
	 * could not be copied or moved.
	 */
	private IStatus error(IResource source, String message) {
		if (getCurrentOperation() == DND.DROP_COPY) {
			return error(ResourceNavigatorMessages.format("DropAdapter.canNotCopy", new Object[] { source.getName(), message }), null); 
		} else {
			return error(ResourceNavigatorMessages.format("DropAdapter.canNotMove", new Object[] { source.getName(), message }), null); 
		}
	}
	
	/**
	 * Expands the selection of the given tree viewer.
	 */
	private void expandSelection(TreeItem selection) {
		if (selection == null)
			return;
		if (!selection.getExpanded()) {
			TreeViewer treeViewer = (TreeViewer) getViewer();
			treeViewer.expandToLevel(selection.getData(), 1);
		}
	}
	
	/**
	 * Returns the actual target of the drop, given the resource
	 * under the mouse.  If the mouse target is a file, then the drop actually 
	 * occurs in its parent.  If the drop location is before or after the
	 * mouse target and feedback is enabled, the target is also the parent.
	 */
	private IContainer getActualTarget(IResource mouseTarget) {