Bug 147727 UI incorrectly prevents overlapping project locations on disk
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ProjectContentsLocationArea.java
* @param reporter
	 * @param composite
	 */
	public ProjectContentsLocationArea(IErrorMessageReporter reporter,
			Composite composite) {
		errorReporter = reporter;
		
		createContents(composite, true);
	}
	/**
	 * Create the contents of the receiver.
	 * 
	 * @param composite
	 * @param defaultEnabled
	 */
	private void createContents(Composite composite, boolean defaultEnabled) {
		int columns = 4;
		
		Composite projectGroup = new Composite(composite, SWT.NONE);
		GridLayout layout = new GridLayout();
		layout.numColumns = columns;
		projectGroup.setLayout(layout);
		projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		useDefaultsButton = new Button(projectGroup, SWT.CHECK | SWT.RIGHT);
		useDefaultsButton
				.setText(IDEWorkbenchMessages.ProjectLocationSelectionDialog_useDefaultLabel);
		useDefaultsButton.setSelection(defaultEnabled);
		GridData buttonData = new GridData();
		buttonData.horizontalSpan = columns;
		useDefaultsButton.setLayoutData(buttonData);