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/SourceActionDialog.java
finalCheckboxButton.setEnabled(true);
		finalCheckboxButton.setSelection(isFinal());
		finalCheckboxButton.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent event) {
				visibilityChangeListener.modifierChanged(((Integer)event.widget.getData()).intValue(), ((Button) event.widget).getSelection());
			}
			public void widgetDefaultSelected(SelectionEvent event) {
				widgetSelected(event);
			}
		});	
			
		Button syncCheckboxButton= new Button(visibilityComposite, SWT.CHECK);
		syncCheckboxButton.setText(ActionMessages.getString("SourceActionDialog.modifier_synchronized")); 
		gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
		syncCheckboxButton.setLayoutData(gd);
		syncCheckboxButton.setData(new Integer(Modifier.SYNCHRONIZED));
		syncCheckboxButton.setEnabled(true);
		syncCheckboxButton.setSelection(isSynchronized());
		syncCheckboxButton.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent event) {
				visibilityChangeListener.modifierChanged(((Integer)event.widget.getData()).intValue(), ((Button) event.widget).getSelection());
			}
			public void widgetDefaultSelected(SelectionEvent event) {
				widgetSelected(event);
			}
		});	
		return visibilityComposite;			
	}	
			
	protected Composite createEntryPtCombo(Composite composite) {