kcl.waterloo.swing

Class FrameManager

java.lang.Object

kcl.waterloo.swing.FrameManager

All Implemented Interfaces:

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

public class FrameManager
extends java.lang.Object
implements java.awt.event.WindowListener, java.awt.event.ActionListener

A singleton instance class for managing WFrames in a JVM session. FrameManager maintains a hash map of WFrames and coordinates the Window menu for the frames.

The FrameManager instance implements the WindowListener interface and is added as a listener to each GCFrame instance in the GCFrame constructor.

Constructor Summary

Constructors

Constructor and Description
FrameManager() Private constructor.

Method Summary

Modifier and Type	Method and Description
void	actionPerformed(java.awt.event.ActionEvent ae)
static FrameManager	getInstance() Instance getter
static java.util.LinkedHashMap<java.lang.Double,GCFrameInterface>	getList()
static int	getLowestAvailable() Returns the lowest numbered available "slot" for a new GCFrame.
static java.awt.Window[]	getWindows() Returns an array of all existing WFrames as a Window[].
static void	updateWindowMenu() Creates/replaces the Window menu for each GCFrame instance when a new GCFrame is created or when one is disposed of.
void	windowActivated(java.awt.event.WindowEvent we)
void	windowClosed(java.awt.event.WindowEvent we)
void	windowClosing(java.awt.event.WindowEvent we)
void	windowDeactivated(java.awt.event.WindowEvent we)
void	windowDeiconified(java.awt.event.WindowEvent we)
void	windowIconified(java.awt.event.WindowEvent we)
void	windowOpened(java.awt.event.WindowEvent we)

Methods inherited from class java.lang.Object

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

Constructor Detail

FrameManager

public FrameManager()

Private constructor. Singleton instance class.

Method Detail

getInstance

public static FrameManager getInstance()

Instance getter

Returns:

the singleton instance.

getList

public static java.util.LinkedHashMap<java.lang.Double,GCFrameInterface> getList()

getWindows

public static java.awt.Window[] getWindows()

Returns an array of all existing WFrames as a Window[].

Returns:

a GCFrameInterface[]

getLowestAvailable

public static int getLowestAvailable()

Returns the lowest numbered available "slot" for a new GCFrame.

Returns:

int value for GCFrame number.

updateWindowMenu

public static void updateWindowMenu()

Creates/replaces the Window menu for each GCFrame instance when a new GCFrame is created or when one is disposed of.

windowOpened

public void windowOpened(java.awt.event.WindowEvent we)

Specified by:

windowOpened in interface java.awt.event.WindowListener

windowClosing

public void windowClosing(java.awt.event.WindowEvent we)

Specified by:

windowClosing in interface java.awt.event.WindowListener

windowClosed

public void windowClosed(java.awt.event.WindowEvent we)

Specified by:

windowClosed in interface java.awt.event.WindowListener

windowIconified

public void windowIconified(java.awt.event.WindowEvent we)

Specified by:

windowIconified in interface java.awt.event.WindowListener

windowDeiconified

public void windowDeiconified(java.awt.event.WindowEvent we)

Specified by:

windowDeiconified in interface java.awt.event.WindowListener

windowActivated

public void windowActivated(java.awt.event.WindowEvent we)

Specified by:

windowActivated in interface java.awt.event.WindowListener

windowDeactivated

public void windowDeactivated(java.awt.event.WindowEvent we)

Specified by:

windowDeactivated in interface java.awt.event.WindowListener

actionPerformed

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

Specified by:

actionPerformed in interface java.awt.event.ActionListener