org.jeospace.ui.swt.widgets
Class JeospaceComp

java.lang.Object
  org.eclipse.swt.widgets.Widget
      org.eclipse.swt.widgets.Control
          org.eclipse.swt.widgets.Scrollable
              org.eclipse.swt.widgets.Composite
                  org.jeospace.ui.swt.widgets.JeospaceComp

All Implemented Interfaces:

org.eclipse.swt.graphics.Drawable

Direct Known Subclasses:

AngleSpider, AngleSpinner, CalendarSpinner, LatitudeSpider, LatitudeSpinner

public abstract class JeospaceComp

extends org.eclipse.swt.widgets.Composite

Abstract base Composite extension containing capability to service ValueChangeListeners and generate ValueChangeEvents.

Version:

$Revision: 1.1.1.1 $

Author:

Rex Melton

Field Summary

protected ValueChangeListener[]	listenerArray The working array of listeners
protected static ValueChangeListener[]	NULL_LISTENER_ARRAY Initial null array of listener's

Fields inherited from class org.eclipse.swt.widgets.Control

handle

Constructor Summary

protected

JeospaceComp(org.eclipse.swt.widgets.Composite parent, int style) Protected Constructor

Method Summary

void	addValueChangeListener(ValueChangeListener vcl) Add a listener for ValueChangeEvents
protected void	fireValueChangeEvent(ValueChangeEvent vce) Send a ValueChangeEvent to all registered listeners
void	removeValueChangeListener(ValueChangeListener vcl) Remove a listener for ValueChangeEvents

Methods inherited from class org.eclipse.swt.widgets.Composite

changed, checkSubclass, computeSize, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, setBackgroundMode, setFocus, setLayout, setLayoutDeferred, setTabList

Methods inherited from class org.eclipse.swt.widgets.Scrollable

computeTrim, getClientArea, getHorizontalBar, getVerticalBar

Methods inherited from class org.eclipse.swt.widgets.Control

addControlListener, addFocusListener, addHelpListener, addKeyListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addPaintListener, addTraverseListener, computeSize, forceFocus, getAccessible, getBackground, getBackgroundImage, getBorderWidth, getBounds, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getParent, getShell, getSize, getToolTipText, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isFocusControl, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, redraw, redraw, removeControlListener, removeFocusListener, removeHelpListener, removeKeyListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removePaintListener, removeTraverseListener, setBackground, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setEnabled, setFont, setForeground, setLayoutData, setLocation, setLocation, setMenu, setParent, setRedraw, setSize, setSize, setToolTipText, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, update

Methods inherited from class org.eclipse.swt.widgets.Widget

addDisposeListener, addListener, checkWidget, dispose, getData, getData, getDisplay, getStyle, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, setData, setData, toString

Methods inherited from class java.lang.Object

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

Field Detail

NULL_LISTENER_ARRAY

protected static final ValueChangeListener[] NULL_LISTENER_ARRAY

Initial null array of listener's

listenerArray

protected ValueChangeListener[] listenerArray

The working array of listeners

Constructor Detail

JeospaceComp

protected JeospaceComp(org.eclipse.swt.widgets.Composite parent,
                       int style)

Protected Constructor

Method Detail

fireValueChangeEvent

protected void fireValueChangeEvent(ValueChangeEvent vce)

Send a ValueChangeEvent to all registered listeners

Parameters:

vce - The ValueChangeEvent to send

addValueChangeListener

public void addValueChangeListener(ValueChangeListener vcl)

Add a listener for ValueChangeEvents

Parameters:

vcl - The listener

removeValueChangeListener

public void removeValueChangeListener(ValueChangeListener vcl)

Remove a listener for ValueChangeEvents

Parameters:

vcl - the listener