Bug 255172 [Import/Export] Warning message in the import wizard is not so helpful
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardProjectsImportPage.java
private boolean isProjectInWorkspace(String projectName) {
		if (projectName == null) {
			return false;
		}
		IProject[] workspaceProjects = getProjectsInWorkspace();
		for (int i = 0; i < workspaceProjects.length; i++) {
			if (projectName.equals(workspaceProjects[i].getName())) {
				return true;
			}
		}
		return false;
	}
	/**
	 * Use the dialog store to restore widget values to the values that they
	 * held last time this wizard was used to completion.
	 * 
	 * Method declared public only for use of tests.
	 */
	public void restoreWidgetValues() {
		IDialogSettings settings = getDialogSettings();
		if (settings != null) {
			
			copyFiles = settings.getBoolean(STORE_COPY_PROJECT_ID);
			copyCheckbox.setSelection(copyFiles);
			
			boolean archiveSelected = settings
					.getBoolean(STORE_ARCHIVE_SELECTED);
			projectFromDirectoryRadio.setSelection(!archiveSelected);
			projectFromArchiveRadio.setSelection(archiveSelected);
			if (archiveSelected) {