Bug 330553 [Import/Export] Importing a project that exists in workspace location merges the contents
(1) Create a project in the default location (2) Export it to an archive (3) Delete it (but don't choose the option to delete from disk) (4) Make some changes in the <workspace root>/<project> directory (4) Import the archive you exported in step 2 This results in files from both the archive and directory. If the directory already has a file thats available in the archive, then it doesn't modify it. Ideally we shouldn't be allowing the import at all.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardProjectsImportPage.java
});
		directoryPathField.addTraverseListener(new TraverseListener() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see
			 * org.eclipse.swt.events.TraverseListener#keyTraversed(org.eclipse
			 * .swt.events.TraverseEvent)
			 */
			public void keyTraversed(TraverseEvent e) {
				if (e.detail == SWT.TRAVERSE_RETURN) {
					e.doit = false;
					updateProjectsList(directoryPathField.getText().trim());
				}
			}
		});
		directoryPathField.addFocusListener(new FocusAdapter() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see
			 * org.eclipse.swt.events.FocusListener#focusLost(org.eclipse.swt
			 * .events.FocusEvent)
			 */
			public void focusLost(org.eclipse.swt.events.FocusEvent e) {
				updateProjectsList(directoryPathField.getText().trim());
			}
		});
		archivePathField.addTraverseListener(new TraverseListener() {
			/*