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
}
		}
	}
	
	/**
	 * Returns a composite containing the label created at the top of the dialog. Returns null if there is the
	 * message for the label is null.
	 */
	protected Label createMessageArea(Composite composite) {
		if (getMessage() != null) {
			Label label = new Label(composite,SWT.NONE);
			label.setText(getMessage());
			label.setFont(composite.getFont());
			return label;
		} 
		return null;
	}
	
	/*
	 * @see Dialog#createDialogArea(Composite)
	 */
	protected Control createDialogArea(Composite parent) {
		initializeDialogUnits(parent);
			
		Composite composite= new Composite(parent, SWT.NONE);
		GridLayout layout= new GridLayout();
		GridData gd= null;
		
		layout.marginHeight= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
		layout.marginWidth= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);