javax.help
Class CSH.DisplayHelpFromFocus

java.lang.Object
  |
  +--javax.help.CSH.DisplayHelpFromFocus

All Implemented Interfaces:

java.awt.event.ActionListener, java.util.EventListener

Enclosing class:

CSH

public static class CSH.DisplayHelpFromFocus

extends java.lang.Object

implements java.awt.event.ActionListener

An ActionListener that displays the help of the object that currently has focus. This method is used to enable HelpKey action listening for components other than the RootPane. This listener determines if the object with the current focus has a helpID. If it does, the helpID is displayed, otherwise the helpID on the action's source is displayed (if one exists).

See Also:

HelpBroker.enableHelpKey

Constructor Summary

CSH.DisplayHelpFromFocus(HelpBroker hb)

CSH.DisplayHelpFromFocus(HelpSet hs, java.lang.String presentation, java.lang.String presentationName)
Create a DisplayHelpFromFocus actionListener for a given HelpSet.

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e)

Methods inherited from class java.lang.Object

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

Constructor Detail

CSH.DisplayHelpFromFocus

public CSH.DisplayHelpFromFocus(HelpBroker hb)

CSH.DisplayHelpFromFocus

public CSH.DisplayHelpFromFocus(HelpSet hs,
                                java.lang.String presentation,
                                java.lang.String presentationName)

Create a DisplayHelpFromFocus actionListener for a given HelpSet. Display the results in specific Presentation of given PresentationName.

Parameters:

hs - A valid HelpSet.

Throws:

java.lang.NullPointerException - if hs is Null.

java.lang.IllegalArgumentException - if presentation is not valid.

Method Detail

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

Specified by:

actionPerformed in interface java.awt.event.ActionListener