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
private List fInsertPositions;
	private List fLabels;
	private int fCurrentPositionIndex;
	
	private IDialogSettings fSettings;
	private CompilationUnitEditor fEditor;
	private ITreeContentProvider fContentProvider;
	private boolean fGenerateComment;
	private IType fType;
	private int fWidth, fHeight;
	private String fCommentString;
		
	private int fVisibilityModifier;
	private boolean fFinal;
	private boolean fSynchronized;
	
	private final String SETTINGS_SECTION_METHODS= "SourceActionDialog.methods"; 
	private final String SETTINGS_SECTION_CONSTRUCTORS= "SourceActionDialog.constructors"; 
	
	private final String SETTINGS_INSERTPOSITION= "InsertPosition"; 
	private final String SETTINGS_VISIBILITY_MODIFIER= "VisibilityModifier"; 
	private final String SETTINGS_FINAL_MODIFIER= "FinalModifier"; 
	private final String SETTINGS_SYNCHRONIZED_MODIFIER= "SynchronizedModifier"; 
	private final String SETTINGS_COMMENTS= "Comments";