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
archivePathField.setEnabled(true);
			browseArchivesButton.setEnabled(true);
			updateProjectsList(archivePathField.getText());
			archivePathField.setFocus();
			copyCheckbox.setSelection(true);
			copyCheckbox.setEnabled(false);
		}
	}
	private void directoryRadioSelected() {
		if (projectFromDirectoryRadio.getSelection()) {
			directoryPathField.setEnabled(true);
			browseDirectoriesButton.setEnabled(true);
			archivePathField.setEnabled(false);
			browseArchivesButton.setEnabled(false);
			updateProjectsList(directoryPathField.getText());
			directoryPathField.setFocus();
			copyCheckbox.setEnabled(true);
			copyCheckbox.setSelection(copyFiles);
		}
	}
	/*
	 * (non-Javadoc) Method declared on IDialogPage. Set the focus on path
	 * fields when page becomes visible.
	 */
	public void setVisible(boolean visible) {
		super.setVisible(visible);
		if (visible && this.projectFromDirectoryRadio.getSelection()) {
			this.directoryPathField.setFocus();
		}
		if (visible && this.projectFromArchiveRadio.getSelection()) {