Bug 312959 [Import/Export] importing file from big disk hangs UI
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
gridData.horizontalSpan = 2;
		gridData.horizontalIndent = indent;
		createVirtualFoldersButton.setLayoutData(gridData);
		Composite relativeGroup= new Composite(linkedResourceComposite, 0);
		gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
		gridData.horizontalIndent = indent;
		relativeGroup.setFont(parent.getFont());
		relativeGroup.setLayoutData(gridData);
		layout= new GridLayout();
		layout.numColumns = 2;
		layout.marginWidth= 0;
		layout.marginHeight= 0;
		layout.marginLeft= 0;
		layout.marginRight= 0;
		layout.marginTop= 0;
		layout.marginBottom= 0;
		layout.verticalSpacing = 0;
		layout.horizontalSpacing = 0;
		relativeGroup.setLayout(layout);
        relativePathVariableGroup = new RelativePathVariableGroup(new RelativePathVariableGroup.IModel() {
			public IResource getResource() {
				IPath path = getContainerFullPath();
				if (path != null)
					return ResourcesPlugin.getWorkspace().getRoot().findMember(path);
				return null;
			}
			public void setVariable(String string) {
				pathVariable = string;
			}
			public String getVariable() {