javax.swing.plaf.basic
class BasicSplitPaneUI

java.lang.Object javax.swing.plaf.ComponentUI javax.swing.plaf.SplitPaneUI javax.swing.plaf.basic.BasicSplitPaneUI

Direct Known Subclasses:

MetalSplitPaneUI

public class BasicSplitPaneUI
extends SplitPaneUI

A Basic L&F implementation of the SplitPaneUI.

beginDragDividerLocation

protected int beginDragDividerLocation

Location of the divider when the dragging session began.

divider

protected BasicSplitPaneDivider divider

Instance of the divider for this JSplitPane.

dividerResizeToggleKey

protected KeyStroke dividerResizeToggleKey

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

dividerSize

protected int dividerSize

The size of the divider while the dragging session is valid.

downKey

protected KeyStroke downKey

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

draggingHW

protected boolean draggingHW

Set to true in startDragging if any of the children (not including the nonContinuousLayoutDivider) are heavy weights.

endKey

protected KeyStroke endKey

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

focusListener

protected FocusListener focusListener

Instance of the FocusListener for this JSplitPane.

homeKey

protected KeyStroke homeKey

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

keyboardDownRightListener

protected ActionListener keyboardDownRightListener

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

keyboardEndListener

protected ActionListener keyboardEndListener

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

keyboardHomeListener

protected ActionListener keyboardHomeListener

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

keyboardResizeToggleListener

protected ActionListener keyboardResizeToggleListener

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

keyboardUpLeftListener

protected ActionListener keyboardUpLeftListener

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

KEYBOARD_DIVIDER_MOVE_OFFSET

protected static int KEYBOARD_DIVIDER_MOVE_OFFSET

How far (relative) the divider does move when it is moved around by the cursor keys on the keyboard.

layoutManager

protected BasicSplitPaneUI.BasicHorizontalLayoutManager layoutManager

LayoutManager that is created and placed into the split pane.

leftKey

protected KeyStroke leftKey

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

nonContinuousLayoutDivider

protected Component nonContinuousLayoutDivider

Instance for the shadow of the divider when non continuous layout is being used.

NON_CONTINUOUS_DIVIDER

protected static final String NON_CONTINUOUS_DIVIDER

The divider used for non-continuous layout is added to the split pane with this object.

propertyChangeListener

protected PropertyChangeListener propertyChangeListener

Instance of the PropertyChangeListener for this JSplitPane.

rightKey

protected KeyStroke rightKey

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

splitPane

protected JSplitPane splitPane

JSplitPane instance this instance is providing the look and feel for.

upKey

protected KeyStroke upKey

As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.

BasicSplitPaneUI

public BasicSplitPaneUI()

createDefaultDivider

public BasicSplitPaneDivider createDefaultDivider()

Creates the default divider.

createDefaultNonContinuousLayoutDivider

protected Component createDefaultNonContinuousLayoutDivider()

Returns the default non continuous layout divider, which is an instanceof Canvas that fills the background in dark gray.

createFocusListener

protected FocusListener createFocusListener()

Creates a FocusListener for the JSplitPane UI.

createKeyboardDownRightListener

protected ActionListener createKeyboardDownRightListener()

As of Java 2 platform v1.3 this method is no longer used. Subclassers previously using this method should instead create an Action wrapping the ActionListener, and register that Action by overriding installKeyboardActions and placing the Action in the SplitPane's ActionMap. Please refer to the key bindings specification for further details.

Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

createKeyboardEndListener

protected ActionListener createKeyboardEndListener()

As of Java 2 platform v1.3 this method is no longer used. Subclassers previously using this method should instead create an Action wrapping the ActionListener, and register that Action by overriding installKeyboardActions and placing the Action in the SplitPane's ActionMap. Please refer to the key bindings specification for further details.

Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

createKeyboardHomeListener

protected ActionListener createKeyboardHomeListener()

As of Java 2 platform v1.3 this method is no longer used. Subclassers previously using this method should instead create an Action wrapping the ActionListener, and register that Action by overriding installKeyboardActions and placing the Action in the SplitPane's ActionMap. Please refer to the key bindings specification for further details.

Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

createKeyboardResizeToggleListener

protected ActionListener createKeyboardResizeToggleListener()

As of Java 2 platform v1.3 this method is no longer used. Subclassers previously using this method should instead create an Action wrapping the ActionListener, and register that Action by overriding installKeyboardActions and placing the Action in the SplitPane's ActionMap. Please refer to the key bindings specification for further details.

Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

createKeyboardUpLeftListener

protected ActionListener createKeyboardUpLeftListener()

As of Java 2 platform v1.3 this method is no longer used. Subclassers previously using this method should instead create an Action wrapping the ActionListener, and register that Action by overriding installKeyboardActions and placing the Action in the SplitPane's ActionMap. Please refer to the key bindings specification for further details.

Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

createPropertyChangeListener

protected PropertyChangeListener createPropertyChangeListener()

Creates a PropertyChangeListener for the JSplitPane UI.

createUI

public static ComponentUI createUI(JComponent x)

Creates a new BasicSplitPaneUI instance

Parameters:

x

dragDividerTo

protected void dragDividerTo(int location)

Messaged during a dragging session to move the divider to the passed in location. If continuousLayout is true the location is reset and the splitPane validated.

Parameters:

location

finishDraggingTo

protected void finishDraggingTo(int location)

Messaged to finish the dragging session. If not continuous display the dividers location will be reset.

Parameters:

location

finishedPaintingChildren

public void finishedPaintingChildren(JSplitPane jc,
                                     Graphics g)

Messaged after the JSplitPane the receiver is providing the look and feel for paints its children.

Overrides:

finishedPaintingChildren in class SplitPaneUI

Parameters:

jc

g

getDivider

public BasicSplitPaneDivider getDivider()

Returns the divider between the top Components.

getDividerBorderSize

protected int getDividerBorderSize()

As of Java 2 platform v1.3 this method is no longer used. Instead you should set the border on the divider.

Returns the width of one side of the divider border.

getDividerLocation

public int getDividerLocation(JSplitPane jc)

Returns the location of the divider, which may differ from what the splitpane thinks the location of the divider is.

Overrides:

getDividerLocation in class SplitPaneUI

Parameters:

jc

getInsets

public Insets getInsets(JComponent jc)

Returns the insets. The insets are returned from the border insets of the current border.

Parameters:

jc

getLastDragLocation

public int getLastDragLocation()

Returns the last drag location of the JSplitPane.

getMaximumDividerLocation

public int getMaximumDividerLocation(JSplitPane jc)

Gets the maximum location of the divider.

Overrides:

getMaximumDividerLocation in class SplitPaneUI

Parameters:

jc

getMaximumSize

public Dimension getMaximumSize(JComponent jc)

Returns the maximum size for the passed in component, This is passed off to the current layoutmanager.

Overrides:

getMaximumSize in class ComponentUI

Parameters:

jc

getMinimumDividerLocation

public int getMinimumDividerLocation(JSplitPane jc)

Gets the minimum location of the divider.

Overrides:

getMinimumDividerLocation in class SplitPaneUI

Parameters:

jc

getMinimumSize

public Dimension getMinimumSize(JComponent jc)

Returns the minimum size for the passed in component, This is passed off to the current layoutmanager.

Overrides:

getMinimumSize in class ComponentUI

Parameters:

jc

getNonContinuousLayoutDivider

public Component getNonContinuousLayoutDivider()

Returns the divider to use when the splitPane is configured to not continuously layout. This divider will only be used during a dragging session.

getOrientation

public int getOrientation()

Returns the orientation for the JSplitPane.

getPreferredSize

public Dimension getPreferredSize(JComponent jc)

Returns the preferred size for the passed in component, This is passed off to the current layoutmanager.

Overrides:

getPreferredSize in class ComponentUI

Parameters:

jc

getSplitPane

public JSplitPane getSplitPane()

Returns the splitpane this instance is currently contained in.

installDefaults

protected void installDefaults()

Installs the UI defaults.

installKeyboardActions

protected void installKeyboardActions()

Installs the keyboard actions for the UI.

installListeners

protected void installListeners()

Installs the event listeners for the UI.

installUI

public void installUI(JComponent c)

Installs the UI.

Overrides:

installUI in class ComponentUI

Parameters:

c

isContinuousLayout

public boolean isContinuousLayout()

Determines wether the JSplitPane is set to use a continuous layout.

paint

public void paint(Graphics g,
                  JComponent jc)

Messaged to paint the look and feel.

Overrides:

paint in class ComponentUI

Parameters:

g

jc

resetLayoutManager

protected void resetLayoutManager()

Resets the layout manager based on orientation and messages it with invalidateLayout to pull in appropriate Components.

resetToPreferredSizes

public void resetToPreferredSizes(JSplitPane jc)

Messaged to reset the preferred sizes.

Overrides:

resetToPreferredSizes in class SplitPaneUI

Parameters:

jc

setContinuousLayout

public void setContinuousLayout(boolean b)

Turn continuous layout on/off.

Parameters:

b

setDividerLocation

public void setDividerLocation(JSplitPane jc,
                               int location)

Sets the location of the divider to location.

Overrides:

setDividerLocation in class SplitPaneUI

Parameters:

jc

location

setLastDragLocation

public void setLastDragLocation(int l)

Set the last drag location of the JSplitPane.

Parameters:

l

setNonContinuousLayoutDivider

protected void setNonContinuousLayoutDivider(Component newDivider)

Sets the divider to use when the splitPane is configured to not continuously layout. This divider will only be used during a dragging session. It is recommended that the passed in component be a heavy weight.

Parameters:

newDivider

setNonContinuousLayoutDivider

protected void setNonContinuousLayoutDivider(Component newDivider,
                                             boolean rememberSizes)

Sets the divider to use.

Parameters:

newDivider

rememberSizes

setOrientation

public void setOrientation(int orientation)

Set the orientation for the JSplitPane.

Parameters:

orientation

startDragging

protected void startDragging()

Should be messaged before the dragging session starts, resets lastDragLocation and dividerSize.

uninstallDefaults

protected void uninstallDefaults()

Uninstalls the UI defaults.

uninstallKeyboardActions

protected void uninstallKeyboardActions()

Uninstalls the keyboard actions for the UI.

uninstallListeners

protected void uninstallListeners()

Uninstalls the event listeners for the UI.

uninstallUI

public void uninstallUI(JComponent c)

Uninstalls the UI.

Overrides:

uninstallUI in class ComponentUI

Parameters:

c