uk.ac.kcl.cch.jb.pliny.browser
Class BusyIndicator

java.lang.Object
  org.eclipse.swt.widgets.Widget
      org.eclipse.swt.widgets.Control
          org.eclipse.swt.widgets.Scrollable
              org.eclipse.swt.widgets.Composite
                  org.eclipse.swt.widgets.Canvas
                      uk.ac.kcl.cch.jb.pliny.browser.BusyIndicator

All Implemented Interfaces:

org.eclipse.swt.dnd.DragSourceListener, org.eclipse.swt.graphics.Drawable, EventListener, org.eclipse.swt.internal.SWTEventListener

public class BusyIndicator

extends org.eclipse.swt.widgets.Canvas

implements org.eclipse.swt.dnd.DragSourceListener

Code borrowed directly from org.eclipse.ui.internal.browser.

Field Summary

protected Thread	busyThread
protected org.eclipse.swt.graphics.Image	image
protected static org.eclipse.swt.graphics.Image[]	images
protected boolean	stop

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

handle

Constructor Summary

BusyIndicator(org.eclipse.swt.widgets.Composite parent, int style)
BusyWidget constructor comment.

Method Summary

org.eclipse.swt.graphics.Point	computeSize(int wHint, int hHint, boolean changed)
protected void	createBusyThread() Creates a thread to animate the image.
void	dispose()
void	dragFinished(org.eclipse.swt.dnd.DragSourceEvent event)
void	dragSetData(org.eclipse.swt.dnd.DragSourceEvent event)
void	dragStart(org.eclipse.swt.dnd.DragSourceEvent event)
org.eclipse.swt.graphics.Image	getImage() Return the image or null.
Resource	getResource()
boolean	isBusy() Returns true if it is currently busy.
protected void	onPaint(org.eclipse.swt.events.PaintEvent event)
void	setBusy(boolean busy) Sets the indicators busy count up (true) or down (false) one.
void	setImage(org.eclipse.swt.graphics.Image image) Set the image.
void	setResource(Resource resource)

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

drawBackground, getCaret, scroll, setCaret, setFont

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

changed, checkSubclass, 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, 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, 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

images

protected static org.eclipse.swt.graphics.Image[] images

image

protected org.eclipse.swt.graphics.Image image

busyThread

protected Thread busyThread

stop

protected boolean stop

Constructor Detail

BusyIndicator

public BusyIndicator(org.eclipse.swt.widgets.Composite parent,
                     int style)

BusyWidget constructor comment.

Parameters:

parent - org.eclipse.swt.widgets.Composite

style - int

Method Detail

computeSize

public org.eclipse.swt.graphics.Point computeSize(int wHint,
                                                  int hHint,
                                                  boolean changed)

createBusyThread

protected void createBusyThread()

Creates a thread to animate the image.

dispose

public void dispose()

getImage

public org.eclipse.swt.graphics.Image getImage()

Return the image or null.

isBusy

public boolean isBusy()

Returns true if it is currently busy.

Returns:

boolean

onPaint

protected void onPaint(org.eclipse.swt.events.PaintEvent event)

setBusy

public void setBusy(boolean busy)

Sets the indicators busy count up (true) or down (false) one.

Parameters:

busy - boolean

setImage

public void setImage(org.eclipse.swt.graphics.Image image)

Set the image. The value null clears it.

getResource

public Resource getResource()

setResource

public void setResource(Resource resource)

dragStart

public void dragStart(org.eclipse.swt.dnd.DragSourceEvent event)

Specified by:

dragStart in interface org.eclipse.swt.dnd.DragSourceListener

dragSetData

public void dragSetData(org.eclipse.swt.dnd.DragSourceEvent event)

Specified by:

dragSetData in interface org.eclipse.swt.dnd.DragSourceListener

dragFinished

public void dragFinished(org.eclipse.swt.dnd.DragSourceEvent event)

Specified by:

dragFinished in interface org.eclipse.swt.dnd.DragSourceListener