Package javax.help

Class Popup

  • All Implemented Interfaces:
    java.awt.event.ActionListener, java.util.EventListener

    public class Popup
    extends Presentation
    implements java.awt.event.ActionListener
    Popup is a Presentation class that will create a popup help window for an application. There is only one popup per application. A popup contains only a content viewer. It is intended to provide immediate help and then allow the user to continue working. Once a popup loses focus, it is destroyed.
    Since:
    2.0
    See Also:
    Presentation
    • Method Detail

      • getPresentation

        public static Presentation getPresentation​(HelpSet hs,
                                                   java.lang.String name)
        create a new Popup for a given HelpSet and HelpSet.Presentation "name". If the "name"d HelpSet.Presentation does not exist in the HelpSet then the defaultHelpSet.Presentation if used.
        Parameters:
        hs - The HelpSEt used in this presentation
        name - The name of the HelpSet.Presentation to use
      • getInvoker

        public java.awt.Component getInvoker()
        Get the Component that invoked this popup
        Returns:
        Component The invoking component
      • setInvoker

        public void setInvoker​(java.awt.Component invoker)
        Set the invoking component for this popup. This must be called before setDisplayed(true) is called. If there is an invoker already set it will be used instead of the new invoker.
        Parameters:
        invoker - The component that invoked this popup
        Throws:
        an - IllegalArgumentException if the invoker or it's parents are not showing.
      • getInvokerInternalBounds

        public java.awt.Rectangle getInvokerInternalBounds()
        Get the internal bounds for the invoker.
      • setInvokerInternalBounds

        public void setInvokerInternalBounds​(java.awt.Rectangle bounds)
        Set the the internal bounds for an invoker. For some invokers like JTrees and JTables it is necessary to set an internal bounds to further define the location of where to place the popup.
        Parameters:
        bounds - A Rectangle of the internal bounds
      • setDisplayed

        public void setDisplayed​(boolean b)
        Displays the presentation to the user
        Specified by:
        setDisplayed in class Presentation
      • isDisplayed

        public boolean isDisplayed()
        Description copied from class: Presentation
        Determines if the presentation is displayed.
        Specified by:
        isDisplayed in class Presentation
      • actionPerformed

        public void actionPerformed​(java.awt.event.ActionEvent e)
        Specified by:
        actionPerformed in interface java.awt.event.ActionListener