org.pbjar.jxlayer.plaf.misc
Class MagnifierUI

java.lang.Object
  javax.swing.plaf.ComponentUI
      org.jdesktop.jxlayer.plaf.LayerUI<V>
          org.jdesktop.jxlayer.plaf.AbstractLayerUI<V>
              org.pbjar.jxlayer.plaf.misc.GeneralLayerUI<JComponent,MagnifierUI.MagnifierState>
                  org.pbjar.jxlayer.plaf.misc.MagnifierUI

All Implemented Interfaces:

Serializable

public class MagnifierUI
extends GeneralLayerUI<JComponent,MagnifierUI.MagnifierState>

Shows a magnification glass on top of a component.

Author:

Piet Blok

See Also:

Serialized Form

Nested Class Summary

protected static class

MagnifierUI.MagnifierState Holds state information.

Constructor Summary

MagnifierUI()
Create an instance with AWTEventListener disabled.

MagnifierUI(boolean enableAWTEventListener)
Create an instance.

Method Summary

protected MagnifierUI.MagnifierState	createStateObject(org.jdesktop.jxlayer.JXLayer<JComponent> layer) Create a StateObject specific for this LayerUI and the JXLayer argument.
List<Action>	getActions(org.jdesktop.jxlayer.JXLayer<JComponent> layer) Return Actions that: Set magnification factor.
protected void	paintLayer(Graphics2D g2, org.jdesktop.jxlayer.JXLayer<JComponent> layer)
protected void	processMouseEvent(MouseEvent e, org.jdesktop.jxlayer.JXLayer<JComponent> layer)
protected void	processMouseMotionEvent(MouseEvent e, org.jdesktop.jxlayer.JXLayer<JComponent> layer)

Methods inherited from class org.pbjar.jxlayer.plaf.misc.GeneralLayerUI

cleanupStateObject, getActions, getName, getStateObject, installUI, isAWTEventListenerEnabled, processMouseWheelEvent, uninstallUI

Methods inherited from class org.jdesktop.jxlayer.plaf.AbstractLayerUI

configureGraphics, eventDispatched, getClip, getComposite, getLayerEventMask, getRenderingHints, getTransform, handlePropertyChangeEvent, isDirty, paint, paintLayer, processFocusEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, setDirty

Methods inherited from class org.jdesktop.jxlayer.plaf.LayerUI

addPropertyChangeListener, addPropertyChangeListener, contains, firePropertyChange, getPreferredScrollableViewportSize, getPropertyChangeListeners, getPropertyChangeListeners, getScrollableBlockIncrement, getScrollableTracksViewportHeight, getScrollableTracksViewportWidth, getScrollableUnitIncrement, removePropertyChangeListener, removePropertyChangeListener, updateUI

Methods inherited from class javax.swing.plaf.ComponentUI

createUI, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize, update

Methods inherited from class java.lang.Object

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

Constructor Detail

MagnifierUI

public MagnifierUI()

Create an instance with AWTEventListener disabled.

MagnifierUI

public MagnifierUI(boolean enableAWTEventListener)

Create an instance.

Via the enableAWTEventListener argument, AWTEventListener can be enabled or disabled.

Parameters:

enableAWTEventListener - if true, AWTEventListener will be enabled. Specifying true Solves a problem with non editable JTextComponents.

Throws:

SecurityException - when enableAWTEventListener is true and if a security manager exists and its checkPermission method doesn't allow the operation.

See Also:

Toolkit.addAWTEventListener(AWTEventListener, long)

Method Detail

getActions

public List<Action> getActions(org.jdesktop.jxlayer.JXLayer<JComponent> layer)

Return Actions that:

1. Set magnification factor.
2. Set the glass radius.

Overrides:

getActions in class GeneralLayerUI<JComponent,MagnifierUI.MagnifierState>

Parameters:

layer - the JXLayer

Returns:

a list of applicable actions

createStateObject

protected MagnifierUI.MagnifierState createStateObject(org.jdesktop.jxlayer.JXLayer<JComponent> layer)

Description copied from class: GeneralLayerUI

Create a StateObject specific for this LayerUI and the JXLayer argument. The default implementation returns null.

Overrides:

createStateObject in class GeneralLayerUI<JComponent,MagnifierUI.MagnifierState>

Parameters:

layer - the JXLayer

Returns:

a StateObject or null, if no state is maintained.

paintLayer

protected void paintLayer(Graphics2D g2,
                          org.jdesktop.jxlayer.JXLayer<JComponent> layer)

processMouseEvent

protected void processMouseEvent(MouseEvent e,
                                 org.jdesktop.jxlayer.JXLayer<JComponent> layer)

processMouseMotionEvent

protected void processMouseMotionEvent(MouseEvent e,
                                       org.jdesktop.jxlayer.JXLayer<JComponent> layer)