Bug 5832 Template Pref page: Edit: Copy/paste context menu
The text field to edit the templates should have a context menu with copy/paste.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/EditTemplateDialog.java
public String getErrorMessage() {
			if (fHasAdjacentVariables)
				return TemplateMessages.getString("EditTemplateDialog.error.adjacent.variables"); 
			return fErrorMessage;
		}
	}
	private Template fTemplate;
	private Text fNameText;
	private Text fDescriptionText;
	private Combo fContextCombo;
	private SourceViewer fPatternEditor;
	
	private Button fInsertVariableButton;
	private TemplateInterpolator fInterpolator= new TemplateInterpolator();
	private TemplateVerifier fVerifier= new TemplateVerifier();
	
	private boolean fSuppressError= true; 
		
	public EditTemplateDialog(Shell parent, Template template, boolean edit) {
		super(parent);
		
		if (edit)
			setTitle(TemplateMessages.getString("EditTemplateDialog.title.edit"));
		else
			setTitle(TemplateMessages.getString("EditTemplateDialog.title.new"));
		fTemplate= template;
	}
	
	/*