Bug 279781 [Import/Export] Recursive addition problem in Import > Existing projects into workspace
Build ID: M20090211-1700 Steps To Reproduce: 1. Create Workspace ws1 2. Create project p1. 3. Create Workspace ws1/p1 4. One Import > Existing projects into workspace 5. Select ws1/p1 and check the option "Copy projects into workspace". 6. Click finish button. 7. Observe that p1 is recursively added. More information: In ideal case we should check for recursive addition and avoid it.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardProjectsImportPage.java
projectFromArchiveRadio = new Button(projectGroup, SWT.RADIO);
		projectFromArchiveRadio
				.setText(DataTransferMessages.WizardProjectsImportPage_ArchiveSelectTitle);
		
		archivePathField = new Text(projectGroup, SWT.BORDER);
		GridData archivePathData = new GridData(SWT.FILL, SWT.NONE, true, false);
		archivePathData.widthHint = new PixelConverter(archivePathField).convertWidthInCharsToPixels(25);
		archivePathField.setLayoutData(archivePathData); 
		browseArchivesButton = new Button(projectGroup, SWT.PUSH);
		browseArchivesButton.setText(DataTransferMessages.DataTransfer_browse);
		setButtonLayoutData(browseArchivesButton);
		projectFromDirectoryRadio.setSelection(true);
		archivePathField.setEnabled(false);
		browseArchivesButton.setEnabled(false);
		browseDirectoriesButton.addSelectionListener(new SelectionAdapter() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.swt.events.SelectionAdapter#widgetS
			 * elected(org.eclipse.swt.events.SelectionEvent)
			 */
			public void widgetSelected(SelectionEvent e) {
				handleLocationDirectoryButtonPressed();
			}
		});
		browseArchivesButton.addSelectionListener(new SelectionAdapter() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see