nextapp.echo
Class DefaultButtonModel

java.lang.Object
  nextapp.echo.DefaultButtonModel

All Implemented Interfaces:

java.io.Serializable, ButtonModel

Direct Known Subclasses:

ToggleButton.ToggleButtonModel

public class DefaultButtonModel
extends java.lang.Object
implements ButtonModel, java.io.Serializable

The default implementation of a button's data model.

See Also:

Serialized Form

Field Summary

protected EventListenerList

listenerList

Constructor Summary

DefaultButtonModel()
Creates a new default button model.

Method Summary

void	addActionListener(ActionListener l) Adds an ActionListener to the button.
void	addChangeListener(ChangeListener l) Adds a ChangeListener to the button.
void	addItemListener(ItemListener l) Adds a ItemListener to the button.
void	doAction() Processes a user action.
void	fireActionPerformed(ActionEvent e) Notifies all listeners that have registered for this event type.
void	fireItemStateChanged(ItemEvent e) Notifies all listeners that have registered for this event type.
void	fireStateChanged() Notifies all listeners that have registered for this event type.
java.lang.String	getActionCommand() Returns the action command for this button.
ButtonGroup	getGroup() Returns the ButtonGroup to which this button belongs, if any.
boolean	isSelected() Returns the button's selection state.
void	removeActionListener(ActionListener l) Removes an ActionListener from the button.
void	removeChangeListener(ChangeListener l) Removes a ChangeListener from the button.
void	removeItemListener(ItemListener l) Removes a ItemListener from the button.
void	setActionCommand(java.lang.String actionCommand) Sets the button's action command.
void	setGroup(ButtonGroup group) Sets the button's group.
void	setSelected(boolean selected) Sets the button's selection state.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

listenerList

protected EventListenerList listenerList

Constructor Detail

DefaultButtonModel

public DefaultButtonModel()

Creates a new default button model.

Method Detail

addActionListener

public void addActionListener(ActionListener l)

Description copied from interface: ButtonModel

Adds an ActionListener to the button.

Specified by:

addActionListener in interface ButtonModel

Parameters:

l - The ActionListener to be added.

See Also:

ButtonModel.addActionListener(ActionListener)

addChangeListener

public void addChangeListener(ChangeListener l)

Description copied from interface: ButtonModel

Adds a ChangeListener to the button.

Specified by:

addChangeListener in interface ButtonModel

Parameters:

l - The ChangeListener to be added.

See Also:

ButtonModel.addChangeListener(ChangeListener)

addItemListener

public void addItemListener(ItemListener l)

Description copied from interface: ButtonModel

Adds a ItemListener to the button.

Specified by:

addItemListener in interface ButtonModel

Parameters:

l - The ItemListener to be added.

See Also:

ButtonModel.addItemListener(ItemListener)

doAction

public void doAction()

Processes a user action.

Specified by:

doAction in interface ButtonModel

fireActionPerformed

public void fireActionPerformed(ActionEvent e)

Notifies all listeners that have registered for this event type.

Parameters:

e - The ActionEvent to send.

fireItemStateChanged

public void fireItemStateChanged(ItemEvent e)

Notifies all listeners that have registered for this event type.

Parameters:

e - The ItemEvent to send.

fireStateChanged

public void fireStateChanged()

Notifies all listeners that have registered for this event type.

getActionCommand

public java.lang.String getActionCommand()

Description copied from interface: ButtonModel

Returns the action command for this button.

Specified by:

getActionCommand in interface ButtonModel

Returns:

The action command for this button.

See Also:

ButtonModel.getActionCommand()

getGroup

public ButtonGroup getGroup()

Returns the ButtonGroup to which this button belongs, if any.

Specified by:

getGroup in interface ButtonModel

Returns:

The group which contains this button.

isSelected

public boolean isSelected()

Description copied from interface: ButtonModel

Returns the button's selection state.

Specified by:

isSelected in interface ButtonModel

Returns:

The button's selection state.

See Also:

ButtonModel.isSelected()

removeActionListener

public void removeActionListener(ActionListener l)

Description copied from interface: ButtonModel

Removes an ActionListener from the button.

Specified by:

removeActionListener in interface ButtonModel

Parameters:

l - The ActionListener to be removed.

See Also:

ButtonModel.removeActionListener(ActionListener)

removeChangeListener

public void removeChangeListener(ChangeListener l)

Description copied from interface: ButtonModel

Removes a ChangeListener from the button.

Specified by:

removeChangeListener in interface ButtonModel

Parameters:

l - The ChangeListener to be removed.

See Also:

ButtonModel.removeChangeListener(ChangeListener)

removeItemListener

public void removeItemListener(ItemListener l)

Description copied from interface: ButtonModel

Removes a ItemListener from the button.

Specified by:

removeItemListener in interface ButtonModel

Parameters:

l - The ItemListener to be removed.

See Also:

ButtonModel.removeItemListener(ItemListener)

setActionCommand

public void setActionCommand(java.lang.String actionCommand)

Description copied from interface: ButtonModel

Sets the button's action command.

Specified by:

setActionCommand in interface ButtonModel

Parameters:

actionCommand - The new action command for this button.

See Also:

ButtonModel.setActionCommand(String)

setSelected

public void setSelected(boolean selected)

Description copied from interface: ButtonModel

Sets the button's selection state.

Specified by:

setSelected in interface ButtonModel

Parameters:

selected - The new selection state of the button.

See Also:

ButtonModel.setSelected(boolean)

setGroup

public void setGroup(ButtonGroup group)

Description copied from interface: ButtonModel

Sets the button's group. (Needed for radio buttons)

Specified by:

setGroup in interface ButtonModel

Parameters:

group - The button's new group.

See Also:

ButtonModel.setGroup(ButtonGroup)