Class MenuSelector<T>

java.lang.Object
uk.ac.starlink.topcat.MenuSelector<T>
public class MenuSelector<T> extends Object
Provides a menu item with a submenu that can select one of a given set of options. At present, the list of options is fixed.
Since:
19 Sep 2017
Author:
Mark Taylor

  • Constructor Details

    • MenuSelector

      public MenuSelector(String name, T[] options, T dflt)
      Constructs a menu selector with an explicit default.
      Parameters:
      name - menu name
      options - list of options that can be selected
      dflt - initial default value; should be one of options

    • MenuSelector

      public MenuSelector(String name, T[] options)
      Constructs a menu selector with an implicit default, the first element of the supplied options array.
      Parameters:
      name - menu name
      options - list of options that can be selected

  • Method Details

    • getMenuItem

      public JMenuItem getMenuItem()
      Returns the menu item that presents this selector. It has a submenu hanging off it that provides the actual selection options (currently JRadioButtonMenuItems).
      Returns:
      menu item

    • getSelectedItem

      public T getSelectedItem()
      Returns the currently selected option.
      Returns:
      selected option

    • setSelectedItem

      public void setSelectedItem(T option)
      Sets the currently selected option.
      Parameters:
      option - option to select
      Throws:
      IllegalArgumentException - if option is not one of the options

    • addActionListener

      public void addActionListener(ActionListener l)
      Adds a listener that will be notified whenever the selection changes.
      Parameters:
      l - listener to add

    • removeActionListener

      public void removeActionListener(ActionListener l)
      Removes a previously-added listener.
      Parameters:
      l - listener to remove