bibliothek.gui.dock.util
Class BackgroundPanel

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  bibliothek.gui.dock.util.BackgroundPanel

All Implemented Interfaces:

PaintableComponent, ImageObserver, MenuContainer, Serializable, Accessible

Direct Known Subclasses:

ConfiguredBackgroundPanel

public abstract class BackgroundPanel
extends JPanel
implements PaintableComponent

This JPanel implements PaintableComponent and can use a BackgroundAlgorithm to paint its background.

Author:

Benjamin Sigg

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel

JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

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

Container.AccessibleAWTContainer

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

Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

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

BackgroundPanel(LayoutManager layout, Transparency transparency)
Creates a new panel setting a default LayoutManager.

BackgroundPanel(Transparency transparency)
Creates a new panel.

Method Summary

protected abstract void	configure(Transparency transparency) Called if the Transparency of the BackgroundAlgorithm changed, this panel should configure itself to met the requested transparency settings.
BackgroundAlgorithm	getBackgroundAlgorithm() Gets the algorithm that paints the background of this panel.
Component	getComponent() Gets the Component which is to be painted.
Transparency	getTransparency() Tells how much of this component is actually painted.
void	paint(Graphics g)
void	paintBackground(Graphics g) Invokes the standard algorithm that paints the background of the component.
void	paintBorder(Graphics g) Invokes the standard algorithm that paints the border of the component.
void	paintChildren(Graphics g) Invokes the standard algorithm that paints the children of the component.
protected void	paintComponent(Graphics g)
void	paintForeground(Graphics g) Invokes the standard algorithm that paints the foreground of the component.
void	paintOverlay(Graphics g) Invokes the standard algorithm that paints an overlay over the children of the component.
void	setBackground(BackgroundAlgorithm background) Sets the background algorithm that should be used by this panel.
void	setTransparency(Transparency transparency)

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, 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, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Constructor Detail

BackgroundPanel

public BackgroundPanel(Transparency transparency)

Creates a new panel.

Parameters:

transparency - how many pixels are painted

BackgroundPanel

public BackgroundPanel(LayoutManager layout,
                       Transparency transparency)

Creates a new panel setting a default LayoutManager.

Parameters:

layout - the layout manager, can be null

transparency - how many pixels are painted

Method Detail

setBackground

public void setBackground(BackgroundAlgorithm background)

Sets the background algorithm that should be used by this panel.

Parameters:

background - the background algorithm

configure

protected abstract void configure(Transparency transparency)

Called if the Transparency of the BackgroundAlgorithm changed, this panel should configure itself to met the requested transparency settings.

Parameters:

transparency - the setting to use

getBackgroundAlgorithm

public BackgroundAlgorithm getBackgroundAlgorithm()

Gets the algorithm that paints the background of this panel.

Returns:

the algorithm, can be null

paint

public void paint(Graphics g)

Overrides:

paint in class JComponent

paintComponent

protected void paintComponent(Graphics g)

Overrides:

paintComponent in class JComponent

setTransparency

public void setTransparency(Transparency transparency)

getTransparency

public Transparency getTransparency()

Description copied from interface: PaintableComponent

Tells how much of this component is actually painted.

Specified by:

getTransparency in interface PaintableComponent

Returns:

the transparency effects of this component, not null

getComponent

public Component getComponent()

Description copied from interface: PaintableComponent

Gets the Component which is to be painted.

Specified by:

getComponent in interface PaintableComponent

Returns:

the item to paint

paintBackground

public void paintBackground(Graphics g)

Description copied from interface: PaintableComponent

Invokes the standard algorithm that paints the background of the component. This method should be called at most once.

Specified by:

paintBackground in interface PaintableComponent

Parameters:

g - the graphics context to use, null to just inform this component that the background should not be painted automatically

paintForeground

public void paintForeground(Graphics g)

Description copied from interface: PaintableComponent

Invokes the standard algorithm that paints the foreground of the component. This method should be called at most once.

Specified by:

paintForeground in interface PaintableComponent

Parameters:

g - the graphics context to use, null to just inform this component that the foreground should not be painted automatically

paintBorder

public void paintBorder(Graphics g)

Description copied from interface: PaintableComponent

Invokes the standard algorithm that paints the border of the component. This method should be called at most once.

Specified by:

paintBorder in interface PaintableComponent

Overrides:

paintBorder in class JComponent

Parameters:

g - the graphics context to use, null to just inform this component that the background should not be painted automatically

paintChildren

public void paintChildren(Graphics g)

Description copied from interface: PaintableComponent

Invokes the standard algorithm that paints the children of the component. This method should be called at most once.

Specified by:

paintChildren in interface PaintableComponent

Overrides:

paintChildren in class JComponent

Parameters:

g - the graphics context to use, null to just inform this component that the background should not be painted automatically

paintOverlay

public void paintOverlay(Graphics g)

Description copied from interface: PaintableComponent

Invokes the standard algorithm that paints an overlay over the children of the component. This method should be called at most once.

Specified by:

paintOverlay in interface PaintableComponent

Parameters:

g - the graphics context to use, null to just inform this component that the background should not be painted automatically