Bug 93549 [Import/Export] Disable Finish in import existing projects wizard
Build: N20050503 Open import existing project wizard Toggle radio button to import from archive Type in the name of an archive file Toggle radio button back to import from directory Observe: the Finish button is still enabled, even though there is no directory selected. Clicking Finish will import from the selected zip file.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardProjectsImportPage.java
* 
	 * @param workArea
	 */
	private void createProjectsList(Composite workArea) {
		Label title = new Label(workArea, SWT.NONE);
		title.setText(DataTransferMessages.WizardProjectsImportPage_ProjectsListTitle);
		Composite listComposite = new Composite(workArea, SWT.NONE);
		GridLayout layout = new GridLayout();
		layout.numColumns = 2;
		layout.marginWidth = 0;
		layout.makeColumnsEqualWidth = false;
		listComposite.setLayout(layout);
		listComposite.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL
				| GridData.GRAB_VERTICAL | GridData.FILL_BOTH));
		projectsList = new CheckboxTreeViewer(listComposite, SWT.BORDER);
		GridData listData = new GridData(GridData.GRAB_HORIZONTAL
				| GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
		projectsList.getControl().setLayoutData(listData);
		projectsList.setContentProvider(new ITreeContentProvider() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
			 */
			public Object[] getChildren(Object parentElement) {
				return null;
			}
			/*
			 * (non-Javadoc)
			 *