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
/*
		 * @see IContentProvider#dispose()
		 */
		public void dispose() {
		}
	
		/*
		 * @see IContentProvider#inputChanged(Viewer, Object, Object)
		 */
		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
			fViewer= (ContainerCheckedTreeViewer) viewer;
		}
			
			
		public boolean isShowTypes() {
			return fShowTypes;
		}
	
		public void setShowTypes(boolean showTypes) {
			if (fShowTypes != showTypes) {
				fShowTypes= showTypes;
				fSettings.put(SETTINGS_SHOWTYPES, showTypes);
				if (fViewer != null) {
					fViewer.refresh();
				}
			}
		}										
	}
	
	private static class OverrideMethodSorter extends ViewerSorter {