Bug 38570 Source generation wizards; Add button to open preference page
M1 The Getter/Setter wizard should offer an access to the Code Generation Preference page: Field prefix/suffix, getter/setter body content, method comment template Add delegate, constructor and override could have a button for the method comment template The code to open a preference page programatically can be copied from TodoTaskPropertyPage.showPreferencePage
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/OverrideMethodDialog.java
private final String SETTINGS_SECTION= "OverrideMethodDialog"; 
		private final String SETTINGS_SHOWTYPES= "showtypes"; 
	
		private Object[] fTypes;
		private IMethod[] fMethods;
		private final Object[] fEmpty= new Object[0];
			
		private boolean fShowTypes;
		private ContainerCheckedTreeViewer fViewer;
		private IDialogSettings fSettings;
	
		public ContainerCheckedTreeViewer getViewer() {