Bug 302441 [LinkedResources][CommonNavigator] When to show "Files and Folders Operation" dialog on drop
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/ide/dialogs/ImportTypeDialog.java
}
				public String getVariable() {
					return variable;
				}
			});
			
			Composite variableGroup = new Composite(composite, 0);
			gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
			variableGroup.setLayoutData(gridData);
			layout = new GridLayout();
			layout.numColumns = 2;
			layout.marginWidth= 0;
			variableGroup.setLayout(layout);
			relativePathVariableGroup.createContents(variableGroup);
			relativePathVariableGroup.setSelection(variable != null);
			if (variable != null)
				relativePathVariableGroup.selectVariable(variable);
			else
				relativePathVariableGroup.selectVariable(preferredVariable);
		}
		
		if (linkIsOnlyChoice) {
			currentSelection = IMPORT_LINK;
			parent.getShell().setText(IDEWorkbenchMessages.ImportTypeDialog_titleFilesLinking);
		}
		alwaysPerformThisOperation = new Button(parent, SWT.CHECK);
		alwaysPerformThisOperation.setText(linkIsOnlyChoice? IDEWorkbenchMessages.ImportTypeDialog_alwaysUseLocationWhenLinkingFiles: IDEWorkbenchMessages.ImportTypeDialog_alwaysPerformThisOperation);
		gridData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
		gridData.horizontalIndent = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
		alwaysPerformThisOperation.setLayoutData(gridData);