Class ValueButtonGroup<T>

  • All Implemented Interfaces:
    java.io.Serializable

    public class ValueButtonGroup<T>
    extends javax.swing.ButtonGroup
    Extends ButtonGroup by associating a value with each button.
    Since:
    11 Jan 2005
    Author:
    Mark Taylor
    See Also:
    Serialized Form
    • Field Summary

      • Fields inherited from class javax.swing.ButtonGroup

        buttons
    • Constructor Summary

      Constructors 
      Constructor Description
      ValueButtonGroup()
      Constructor.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void add​(javax.swing.AbstractButton button, T value)
      Adds a button and associates a value with it.
      void addChangeListener​(javax.swing.event.ChangeListener listener)
      Adds a listener which will be notified whenever this group's selected value changes.
      T getValue()
      Returns the currently selected value, that is the value associated with the currently selected button.
      void remove​(javax.swing.AbstractButton button)  
      void removeChangeListener​(javax.swing.event.ChangeListener listener)
      Removes a listener previously added by addChangeListener.
      void setValue​(T value)
      Sets the currently selected value.
      • Methods inherited from class javax.swing.ButtonGroup

        add, clearSelection, getButtonCount, getElements, getSelection, isSelected, setSelected
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • ValueButtonGroup

        public ValueButtonGroup()
        Constructor.
    • Method Detail

      • add

        public void add​(javax.swing.AbstractButton button,
                        T value)
        Adds a button and associates a value with it. When button is selected, getValue() will return value. You can use null for a value, but don't have two buttons with associated values which are equal.
        Parameters:
        button - button
        value - associated value
      • remove

        public void remove​(javax.swing.AbstractButton button)
        Overrides:
        remove in class javax.swing.ButtonGroup
      • getValue

        public T getValue()
        Returns the currently selected value, that is the value associated with the currently selected button.
        Returns:
        selected value
      • setValue

        public void setValue​(T value)
        Sets the currently selected value. The associated button will be selected (and others deselected). value must be one of the values associated with a button in this group.
        Parameters:
        value - new value
      • addChangeListener

        public void addChangeListener​(javax.swing.event.ChangeListener listener)
        Adds a listener which will be notified whenever this group's selected value changes.
        Parameters:
        listener - listener to add
      • removeChangeListener

        public void removeChangeListener​(javax.swing.event.ChangeListener listener)
        Removes a listener previously added by addChangeListener.
        Parameters:
        listener - listener to remove