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/ui/actions/GenerateNewConstructorUsingFieldsAction.java
Composite entryComposite= super.createEntryPtCombo(composite);
			addVisibilityAndModifiersChoices(entryComposite);
			return entryComposite;
		}
		private Composite addSuperClassConstructorChoices(Composite composite) {
			Label label= new Label(composite, SWT.NONE);
			label.setText(ActionMessages.getString("GenerateConstructorUsingFieldsSelectionDialog.sort_constructor_choices.label")); 
			GridData gd= new GridData(GridData.FILL_HORIZONTAL);
			label.setLayoutData(gd);
			final Combo combo= new Combo(composite, SWT.READ_ONLY);
			for (int i= 0; i < fSuperConstructors.length; i++) {
				combo.add(JavaElementLabels.getElementLabel(fSuperConstructors[i], JavaElementLabels.M_PARAMETER_TYPES));
			}
			
			combo.setText(combo.getItem(0));
			combo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
			combo.addSelectionListener(new SelectionAdapter() {
				public void widgetSelected(SelectionEvent e) {
					fSuperIndex= combo.getSelectionIndex();
					
					fOmitSuperButton.setEnabled(getSuperConstructorChoice().getNumberOfParameters() == 0);
					updateOKStatus();
				}
			});
			return composite;
		}
		public IMethod getSuperConstructorChoice() {
			return fSuperConstructors[fSuperIndex];
		}
		private class GenerateConstructorUsingFieldsTreeViewerAdapter implements ISelectionChangedListener, IDoubleClickListener {