frontend
Class frontEnd

java.lang.Object
  java.awt.Component
      java.awt.Container
          java.awt.Window
              java.awt.Frame
                  javax.swing.JFrame
                      frontend.frontEnd

All Implemented Interfaces:

Accessible, ActionListener, EventListener, ImageObserver, KeyListener, MenuContainer, MouseListener, Observer, RootPaneContainer, Serializable, WindowConstants

public class frontEnd

extends JFrame

implements ActionListener, Observer, KeyListener, MouseListener

This is the front end of the application NAPS. The majority of the Graphical User Interface is created and used from this class. All subsequent entities which contribute to the GUI are called directly from this class.

This class has it's own data structure which will hold references of the LanNodes in the BlackBoard class. In addition to these LanNodes, all copies of JLabels used in this class are stored, along with their IP addres (in String format) and their hostname (in String format, and if it exists).

See Also:

LinkedFENodeList, FENode, Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.JFrame

JFrame.AccessibleJFrame

Nested classes inherited from class java.awt.Frame

Frame.AccessibleAWTFrame

Nested classes inherited from class java.awt.Window

Window.AccessibleAWTWindow

Nested classes inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields inherited from class javax.swing.JFrame

accessibleContext, EXIT_ON_CLOSE, rootPane, rootPaneCheckingEnabled

Fields inherited from class java.awt.Frame

CROSSHAIR_CURSOR, DEFAULT_CURSOR, E_RESIZE_CURSOR, HAND_CURSOR, ICONIFIED, MAXIMIZED_BOTH, MAXIMIZED_HORIZ, MAXIMIZED_VERT, MOVE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR, NORMAL, NW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR, SW_RESIZE_CURSOR, TEXT_CURSOR, W_RESIZE_CURSOR, WAIT_CURSOR

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface javax.swing.WindowConstants

DISPOSE_ON_CLOSE, DO_NOTHING_ON_CLOSE, HIDE_ON_CLOSE

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

frontEnd(BlackBoard fromMain)
This is the constructor for this class.

Method Summary

void	actionPerformed(ActionEvent e) This method will provide the proper behaviour in response to the event which is causing this method to fire.
protected void	createHelp() This method will create the help object for the help files.
void	keyPressed(KeyEvent e) This method is fired if the user presses a key on a object with a keyListener attached to it.
void	keyReleased(KeyEvent e)
void	keyTyped(KeyEvent e)
void	mouseClicked(MouseEvent e) This method is fired if the user clicks on an object which has a mouse listener attached to it.
void	mouseEntered(MouseEvent e)
void	mouseExited(MouseEvent e)
void	mousePressed(MouseEvent e) This method is fired if the user presses the mouse on a object with has a mouse listener attached to it.
void	mouseReleased(MouseEvent e)
void	setLandF(LookAndFeel newLookandFeelLAF, String newLookandFeelSTR) This method will simply change the look and feel for the frontEnd.
void	update(Observable o, Object arg) This method is the heart of the frontEnd in regards to updating the status of nodes in a mapping.

Methods inherited from class javax.swing.JFrame

addImpl, createRootPane, frameInit, getAccessibleContext, getContentPane, getDefaultCloseOperation, getGlassPane, getJMenuBar, getLayeredPane, getRootPane, isDefaultLookAndFeelDecorated, isRootPaneCheckingEnabled, paramString, processWindowEvent, remove, setContentPane, setDefaultCloseOperation, setDefaultLookAndFeelDecorated, setGlassPane, setJMenuBar, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, update

Methods inherited from class java.awt.Frame

addNotify, finalize, getCursorType, getExtendedState, getFrames, getIconImage, getMaximizedBounds, getMenuBar, getState, getTitle, isResizable, isUndecorated, remove, removeNotify, setCursor, setExtendedState, setIconImage, setMaximizedBounds, setMenuBar, setResizable, setState, setTitle, setUndecorated

Methods inherited from class java.awt.Window

addPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, dispose, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getGraphicsConfiguration, getInputContext, getListeners, getLocale, getMostRecentFocusOwner, getOwnedWindows, getOwner, getToolkit, getWarningString, getWindowFocusListeners, getWindowListeners, getWindowStateListeners, hide, isActive, isFocusableWindow, isFocusCycleRoot, isFocused, isShowing, pack, postEvent, processEvent, processWindowFocusEvent, processWindowStateEvent, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, setCursor, setFocusableWindowState, setFocusCycleRoot, setLocationRelativeTo, show, toBack, toFront

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, removeAll, removeContainerListener, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.awt.MenuContainer

getFont, postEvent

Constructor Detail

frontEnd

public frontEnd(BlackBoard fromMain)

This is the constructor for this class. This constructor will:

• set the dimensions of this instantiated object
• set up it's toolbar and menu system
• add all action listeners needed for this objects used in this class
• look for saved preferences
• see if a default saved mapping exists

Parameters:

fromMain - this is the frontEnd's instance of the blackboard in which the frontEnd, main, and the backend will be using.

Method Detail

actionPerformed

public void actionPerformed(ActionEvent e)

This method will provide the proper behaviour in response to the event which is causing this method to fire.

The objects which could cause this method to fire are:

• all the toolbar objects
• all the menu objects
• all the buttons in dialog frames (i.e. modal windows)

Specified by:

actionPerformed in interface ActionListener

Parameters:

e - is the object which will hold information about which event is calling this method to fire.

update

public void update(Observable o,
                   Object arg)

This method is the heart of the frontEnd in regards to updating the status of nodes in a mapping. This event will be fired when the status changes for a particular LanNode in the BlackBoard, for a particular mapping.

This method will preform various tasks, such as:

• change the icon associated with the LanNode, depending on it's changed status
• send email notifications if the status changes on a LanNode with it's priority flag set
• send trap notifications to the user
• update the log files depending on the changed status on a LanNode

Also note that this method is synchronized in regards to the LanNode's being passed into it.

Specified by:

update in interface Observer

Parameters:

o - is the object which is being passed to this method (i.e. the LanNode which has some information modified by the backend)

keyTyped

public void keyTyped(KeyEvent e)

Specified by:

keyTyped in interface KeyListener

keyReleased

public void keyReleased(KeyEvent e)

Specified by:

keyReleased in interface KeyListener

keyPressed

public void keyPressed(KeyEvent e)

This method is fired if the user presses a key on a object with a keyListener attached to it.

Specified by:

keyPressed in interface KeyListener

Parameters:

e - is the event object which is firing this method

mouseClicked

public void mouseClicked(MouseEvent e)

This method is fired if the user clicks on an object which has a mouse listener attached to it. This method will either show the node info window (if the user double clicks on a JLabel with the left mouse button), or show a pop-up menu (if the user right clicks on a JLabel).

Specified by:

mouseClicked in interface MouseListener

Parameters:

e - if the event object which is firing this method.

mouseEntered

public void mouseEntered(MouseEvent e)

Specified by:

mouseEntered in interface MouseListener

mouseExited

public void mouseExited(MouseEvent e)

Specified by:

mouseExited in interface MouseListener

mousePressed

public void mousePressed(MouseEvent e)

This method is fired if the user presses the mouse on a object with has a mouse listener attached to it.

Specified by:

mousePressed in interface MouseListener

Parameters:

e - is the event object which is firing this method

mouseReleased

public void mouseReleased(MouseEvent e)

Specified by:

mouseReleased in interface MouseListener

createHelp

protected void createHelp()

This method will create the help object for the help files.

setLandF

public void setLandF(LookAndFeel newLookandFeelLAF,
                     String newLookandFeelSTR)

This method will simply change the look and feel for the frontEnd. The frontEnd is skinnable.