net.fenyo.gnetwatch.GUI
Class BasicComponent

java.lang.Object
  java.awt.Component
      net.fenyo.gnetwatch.GUI.BasicComponent

All Implemented Interfaces:

java.awt.event.ComponentListener, java.awt.event.KeyListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.event.WindowListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener

Direct Known Subclasses:

BytesReceivedComponent, BytesSentComponent, ChartComponent, FloodComponent, GenericProcessComponent, GenericSrcComponent, HTTPComponent, HTTPPagesComponent, MapComponent

public abstract class BasicComponent
extends java.awt.Component
implements java.awt.event.ComponentListener, java.awt.event.WindowListener, java.awt.event.KeyListener, java.awt.event.MouseMotionListener, java.awt.event.MouseListener

This class implements an AWT component capable of drawing time series with the Java2D API.

Version:

$Id: BasicComponent.java,v 1.37 2008/04/27 21:13:02 fenyo Exp $

Author:

Alexandre Fenyo

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

private static int	axis_margin_bottom
protected int	axis_margin_left
protected static int	axis_margin_right
private static int	axis_margin_top
private java.awt.Graphics2D	backing_g
private java.awt.Image	backing_store
private java.text.DateFormat	date_format
private java.awt.Dimension	dimension
private long	drag_now_start
private int	drag_x_start
private java.util.List<EventGeneric>	events
private int	fps
private int	last_fps_100ms
private long	last_paint
private long	last_paint_100ms
private int	lastPixelsOffsetValue
private static Log	log
private long	manual_delay_per_interval
private boolean	manual_mode
private long	manual_now
protected int	pixels_per_interval
private int	pixels_per_vinterval
private static int	std_margin
private static int	std_separator
private static java.lang.Object	sync_update
private java.lang.Object	sync_value_per_vinterval
private Target	target
private int	value_per_vinterval

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

BasicComponent(Target target)
Constructor.

Method Summary

private long	_getDelayPerInterval()
void	componentHidden(java.awt.event.ComponentEvent e) Called when the component is hidden.
void	componentMoved(java.awt.event.ComponentEvent e) Called when the component is moved.
void	componentResized(java.awt.event.ComponentEvent e) When the component is resized, creates a new backing store, reset margins and fetch events that can be displayed.
void	componentShown(java.awt.event.ComponentEvent e) Called when the component appears first.
private java.lang.String	formatDate(long time)
private java.lang.String	formatTime(long time) Formats a time string to be displayed.
long	getDelayPerInterval() Returns the horizontal scale.
protected java.awt.Dimension	getDimension() Returns the dimensions of this component.
protected abstract java.lang.Class	getEventClass()
protected Target	getTarget() Returns the associated target.
void	init() Initialize the component and ask AWT to receive events.
boolean	isManualMode()
void	keyPressed(java.awt.event.KeyEvent e)
void	keyReleased(java.awt.event.KeyEvent e)
void	keyTyped(java.awt.event.KeyEvent e)
void	mouseClicked(java.awt.event.MouseEvent e)
void	mouseDragged(java.awt.event.MouseEvent e)
void	mouseEntered(java.awt.event.MouseEvent e)
void	mouseExited(java.awt.event.MouseEvent e)
void	mouseMoved(java.awt.event.MouseEvent e)
void	mousePressed(java.awt.event.MouseEvent e)
void	mouseReleased(java.awt.event.MouseEvent e)
private void	newBackingElts() Creates a backing store.
void	paint(java.awt.Graphics g) Repaints the component using the backing store.
private long	paintAxis() Paints axis.
void	paintChart(long now) Paints the chart.
private void	paintFPS(int fps) Displays the number of frames per second.
boolean	pixelsOffsetChanged()
private void	removeOldEvents() Removes events that can not be displayed.
protected void	setEvents(java.util.List<EventGeneric> events) Sets the list of events to display.
private void	setMargin() Computes new margins.
private void	updateFPS() Computes the "frames per second" indicator.
protected void	updateValues() Fetches events that can be displayed.
void	updateValues(EventGeneric event) Takes a new event into account.
protected void	updateVerticalScale() Updates the vertical scale.
void	windowActivated(java.awt.event.WindowEvent e) Called whenthe window is activated.
void	windowClosed(java.awt.event.WindowEvent e) Called whenthe window is closed.
abstract void	windowClosing(java.awt.event.WindowEvent e) Called when the window is closing.
void	windowDeactivated(java.awt.event.WindowEvent e) Called whenthe window is deactivated.
void	windowDeiconified(java.awt.event.WindowEvent e) Called whenthe window is deiconified.
void	windowIconified(java.awt.event.WindowEvent e) Called whenthe window is iconified.
void	windowOpened(java.awt.event.WindowEvent e) Called whenthe window is opened.

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, update, validate

Methods inherited from class java.lang.Object

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

Field Detail

log

private static Log log

manual_mode

private boolean manual_mode

manual_now

private long manual_now

manual_delay_per_interval

private long manual_delay_per_interval

lastPixelsOffsetValue

private int lastPixelsOffsetValue

target

private final Target target

sync_update

private static java.lang.Object sync_update

events

private java.util.List<EventGeneric> events

backing_store

private java.awt.Image backing_store

backing_g

private java.awt.Graphics2D backing_g

dimension

private java.awt.Dimension dimension

date_format

private final java.text.DateFormat date_format

fps

private int fps

last_paint

private long last_paint

last_paint_100ms

private long last_paint_100ms

last_fps_100ms

private int last_fps_100ms

pixels_per_interval

protected final int pixels_per_interval

See Also:

Constant Field Values

value_per_vinterval

private int value_per_vinterval

sync_value_per_vinterval

private final java.lang.Object sync_value_per_vinterval

pixels_per_vinterval

private final int pixels_per_vinterval

See Also:

Constant Field Values

std_margin

private static final int std_margin

See Also:

Constant Field Values

std_separator

private static final int std_separator

See Also:

Constant Field Values

axis_margin_bottom

private static final int axis_margin_bottom

See Also:

Constant Field Values

axis_margin_top

private static final int axis_margin_top

See Also:

Constant Field Values

axis_margin_left

protected int axis_margin_left

axis_margin_right

protected static final int axis_margin_right

See Also:

Constant Field Values

drag_x_start

private int drag_x_start

drag_now_start

private long drag_now_start

Constructor Detail

BasicComponent

public BasicComponent(Target target)

Constructor.

Parameters:

target - target this graphic component works on.

Method Detail

isManualMode

public boolean isManualMode()

getDelayPerInterval

public long getDelayPerInterval()

Returns the horizontal scale.

Parameters:

none. -

Returns:

long horizontal scale.

_getDelayPerInterval

private long _getDelayPerInterval()

setEvents

protected void setEvents(java.util.List<EventGeneric> events)

Sets the list of events to display.

Parameters:

events - events to display.

getDimension

protected java.awt.Dimension getDimension()

Returns the dimensions of this component.

Parameters:

none. -

Returns:

Dimension dimensions.

getTarget

protected Target getTarget()

Returns the associated target.

Parameters:

none. -

Returns:

Target target.

init

public void init()

Initialize the component and ask AWT to receive events.

componentHidden

public void componentHidden(java.awt.event.ComponentEvent e)

Called when the component is hidden.

Specified by:

componentHidden in interface java.awt.event.ComponentListener

Parameters:

e - event.

componentMoved

public void componentMoved(java.awt.event.ComponentEvent e)

Called when the component is moved.

Specified by:

componentMoved in interface java.awt.event.ComponentListener

Parameters:

e - event.

componentResized

public void componentResized(java.awt.event.ComponentEvent e)

When the component is resized, creates a new backing store, reset margins and fetch events that can be displayed.

Specified by:

componentResized in interface java.awt.event.ComponentListener

Parameters:

e - event.

componentShown

public void componentShown(java.awt.event.ComponentEvent e)

Called when the component appears first.

Specified by:

componentShown in interface java.awt.event.ComponentListener

Parameters:

e - event.

windowActivated

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

Called whenthe window is activated.

Specified by:

windowActivated in interface java.awt.event.WindowListener

Parameters:

e - event.

windowClosed

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

Called whenthe window is closed.

Specified by:

windowClosed in interface java.awt.event.WindowListener

Parameters:

e - event.

windowClosing

public abstract void windowClosing(java.awt.event.WindowEvent e)

Called when the window is closing.

Specified by:

windowClosing in interface java.awt.event.WindowListener

Parameters:

e - event.

windowDeactivated

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

Called whenthe window is deactivated.

Specified by:

windowDeactivated in interface java.awt.event.WindowListener

Parameters:

e - event.

windowDeiconified

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

Called whenthe window is deiconified.

Specified by:

windowDeiconified in interface java.awt.event.WindowListener

Parameters:

e - event.

windowIconified

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

Called whenthe window is iconified.

Specified by:

windowIconified in interface java.awt.event.WindowListener

Parameters:

e - event.

windowOpened

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

Called whenthe window is opened.

Specified by:

windowOpened in interface java.awt.event.WindowListener

Parameters:

e - event.

setMargin

private void setMargin()

Computes new margins.

Parameters:

none. -

newBackingElts

private void newBackingElts()

Creates a backing store.

Parameters:

none. -

removeOldEvents

private void removeOldEvents()

Removes events that can not be displayed.

Parameters:

none. -

updateVerticalScale

protected void updateVerticalScale()

Updates the vertical scale.

Parameters:

none. -

updateValues

public void updateValues(EventGeneric event)

Takes a new event into account.

Parameters:

event - new event.

getEventClass

protected abstract java.lang.Class getEventClass()

updateValues

protected void updateValues()

Fetches events that can be displayed.

Parameters:

none. -

updateFPS

private void updateFPS()

Computes the "frames per second" indicator.

Parameters:

none. -

paintFPS

private void paintFPS(int fps)

Displays the number of frames per second.

Parameters:

fps - frames per second to display.

formatTime

private java.lang.String formatTime(long time)

Formats a time string to be displayed.

Parameters:

time - time.

Returns:

String time to be displayed.

formatDate

private java.lang.String formatDate(long time)

pixelsOffsetChanged

public boolean pixelsOffsetChanged()

paintAxis

private long paintAxis()

Paints axis.

Parameters:

none. -

Returns:

long current time displayed at the axis bottom.

paintChart

public void paintChart(long now)

Paints the chart.

Parameters:

now - current time.

paint

public void paint(java.awt.Graphics g)

Repaints the component using the backing store.

Overrides:

paint in class java.awt.Component

Parameters:

g - graphics context.

keyPressed

public void keyPressed(java.awt.event.KeyEvent e)

Specified by:

keyPressed in interface java.awt.event.KeyListener

keyReleased

public void keyReleased(java.awt.event.KeyEvent e)

Specified by:

keyReleased in interface java.awt.event.KeyListener

keyTyped

public void keyTyped(java.awt.event.KeyEvent e)

Specified by:

keyTyped in interface java.awt.event.KeyListener

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Specified by:

mouseExited in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Specified by:

mouseReleased in interface java.awt.event.MouseListener

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener