Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class BasicSplitPaneUI - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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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.

Inner Class Summary

class BasicSplitPaneUI.BasicHorizontalLayoutManager
          LayoutManager for JSplitPanes that have an orientation of HORIZONTAL_SPLIT.

class BasicSplitPaneUI.BasicVerticalLayoutManager
          LayoutManager used for JSplitPanes with an orientation of VERTICAL_SPLIT.

class BasicSplitPaneUI.FocusHandler
          Implementation of the FocusListener that the JSplitPane UI uses.

class BasicSplitPaneUI.KeyboardDownRightHandler
          Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.

class BasicSplitPaneUI.KeyboardEndHandler
          Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.

class BasicSplitPaneUI.KeyboardHomeHandler
          Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.

class BasicSplitPaneUI.KeyboardResizeToggleHandler
          Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.

class BasicSplitPaneUI.KeyboardUpLeftHandler
          Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.

class BasicSplitPaneUI.PropertyHandler
          Implementation of the PropertyChangeListener that the JSplitPane UI uses.

Field Summary

protected int beginDragDividerLocation
          Location of the divider when the dragging session began.

protected BasicSplitPaneDivider divider
          Instance of the divider for this JSplitPane.

protected KeyStroke dividerResizeToggleKey


protected int dividerSize
          The size of the divider while the dragging session is valid.

protected KeyStroke downKey


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

protected KeyStroke endKey


protected FocusListener focusListener
          Instance of the FocusListener for this JSplitPane.

protected KeyStroke homeKey


protected static int KEYBOARD_DIVIDER_MOVE_OFFSET
          How far (relativ) the divider does move when it is moved around by the cursor keys on the keyboard.

protected ActionListener keyboardDownRightListener


protected ActionListener keyboardEndListener


protected ActionListener keyboardHomeListener


protected ActionListener keyboardResizeToggleListener


protected ActionListener keyboardUpLeftListener
          The handlers that are handling the keystrokes for keyboard navigation.

protected BasicSplitPaneUI.BasicHorizontalLayoutManager layoutManager
          LayoutManager that is created and placed into the split pane.

protected KeyStroke leftKey


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

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

protected PropertyChangeListener propertyChangeListener
          Instance of the PropertyChangeListener for this JSplitPane.

protected KeyStroke rightKey


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

protected KeyStroke upKey
          The keystrokes that the JSplitPane is supposed to handle.

Constructor Summary

BasicSplitPaneUI()


Method Summary

BasicSplitPaneDivider createDefaultDivider()
          Creates the default divider.

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

protected FocusListener createFocusListener()
          Creates a FocusListener for the JSplitPane UI.

protected ActionListener createKeyboardDownRightListener()
          Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

protected ActionListener createKeyboardEndListener()
          Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

protected ActionListener createKeyboardHomeListener()
          Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

protected ActionListener createKeyboardResizeToggleListener()
          Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

protected ActionListener createKeyboardUpLeftListener()
          Creates a ActionListener for the JSplitPane UI that listens for specific key presses.

protected PropertyChangeListener createPropertyChangeListener()
          Creates a PropertyChangeListener for the JSplitPane UI.

static ComponentUI createUI(JComponent x)
          Creates a new BasicSplitPaneUI instance

protected void dragDividerTo(int location)
          Messaged during a dragging session to move the divider to the passed in location.

protected void finishDraggingTo(int location)
          Messaged to finish the dragging session.

void finishedPaintingChildren(JSplitPane jc, Graphics g)
          Messaged after the JSplitPane the receiver is providing the look and feel for paints its children.

BasicSplitPaneDivider getDivider()
          Returns the divider between the top Components.

protected int getDividerBorderSize()
          Returns the width of one side of the divider border.

int getDividerLocation(JSplitPane jc)
          Returns the location of the divider.

Insets getInsets(JComponent jc)
          Returns the insets.

int getLastDragLocation()
          Returns the last drag location of the JSplitPane.

int getMaximumDividerLocation(JSplitPane jc)
          Gets the maximum location of the divider.

Dimension getMaximumSize(JComponent jc)
          Returns the maximum size for the passed in component, This is passed off to the current layoutmanager.

int getMinimumDividerLocation(JSplitPane jc)
          Gets the minimum location of the divider.

Dimension getMinimumSize(JComponent jc)
          Returns the minimum size for the passed in component, This is passed off to the current layoutmanager.

Component getNonContinuousLayoutDivider()
          Returns the divider to use when the splitPane is configured to not continuously layout.

int getOrientation()
          Returns the orientation for the JSplitPane.

Dimension getPreferredSize(JComponent jc)
          Returns the preferred size for the passed in component, This is passed off to the current layoutmanager.

JSplitPane getSplitPane()
          Returns the splitpane this instance is currently contained in.

protected void installDefaults()
          Installs the UI defaults.

protected void installKeyboardActions()
          Installs the keyboard actions for the UI.

protected void installListeners()
          Installs the event listeners for the UI.

void installUI(JComponent c)
          Installs the UI.

boolean isContinuousLayout()
          Determines wether the JSplitPane is set to use a continuous layout.

void paint(Graphics g, JComponent jc)
          Messaged to paint the look and feel.

protected void resetLayoutManager()
          Resets the layout manager based on orientation and messages it with invalidateLayout to pull in appropriate Components.

void resetToPreferredSizes(JSplitPane jc)
          Messaged to reset the preferred sizes.

void setContinuousLayout(boolean b)
          Turn continuous layout on/off.

void setDividerLocation(JSplitPane jc, int location)
          Sets the location of the divider to location.

void setLastDragLocation(int l)
          Set the last drag location of the JSplitPane.

protected void setNonContinuousLayoutDivider(Component newDivider)
          Sets the divider to use when the splitPane is configured to not continuously layout.

protected void setNonContinuousLayoutDivider(Component newDivider, boolean rememberSizes)
          Sets the divider to use.

void setOrientation(int orientation)
          Set the orientation for the JSplitPane.

protected void startDragging()
          Should be messaged before the dragging session starts, resets lastDragLocation and dividerSize.

protected void uninstallDefaults()
          Uninstalls the UI defaults.

protected void uninstallKeyboardActions()
          Uninstalls the keyboard actions for the UI.

protected void uninstallListeners()
          Uninstalls the event listeners for the UI.

void uninstallUI(JComponent c)
          Uninstalls the UI.

Methods inherited from class javax.swing.plaf.ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, update

Methods inherited from class java.lang.Object

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

Field Detail

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.

KEYBOARD_DIVIDER_MOVE_OFFSET

protected static int KEYBOARD_DIVIDER_MOVE_OFFSET

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

splitPane

protected JSplitPane splitPane

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

layoutManager

protected BasicSplitPaneUI.BasicHorizontalLayoutManager layoutManager

LayoutManager that is created and placed into the split pane.

divider

protected BasicSplitPaneDivider divider

Instance of the divider for this JSplitPane.

propertyChangeListener

protected PropertyChangeListener propertyChangeListener

Instance of the PropertyChangeListener for this JSplitPane.

focusListener

protected FocusListener focusListener

Instance of the FocusListener for this JSplitPane.

dividerSize

protected int dividerSize

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

nonContinuousLayoutDivider

protected Component nonContinuousLayoutDivider

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

draggingHW

protected boolean draggingHW

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

beginDragDividerLocation

protected int beginDragDividerLocation

Location of the divider when the dragging session began.

upKey

protected KeyStroke upKey

The keystrokes that the JSplitPane is supposed to handle.

downKey

protected KeyStroke downKey

leftKey

protected KeyStroke leftKey

rightKey

protected KeyStroke rightKey

homeKey

protected KeyStroke homeKey

endKey

protected KeyStroke endKey

dividerResizeToggleKey

protected KeyStroke dividerResizeToggleKey

keyboardUpLeftListener

protected ActionListener keyboardUpLeftListener

The handlers that are handling the keystrokes for keyboard navigation.

keyboardDownRightListener

protected ActionListener keyboardDownRightListener

keyboardHomeListener

protected ActionListener keyboardHomeListener

keyboardEndListener

protected ActionListener keyboardEndListener

keyboardResizeToggleListener

protected ActionListener keyboardResizeToggleListener

Constructor Detail

BasicSplitPaneUI

public BasicSplitPaneUI()

Method Detail

createUI

public static ComponentUI createUI(JComponent x)

Creates a new BasicSplitPaneUI instance

installUI

public void installUI(JComponent c)

Installs the UI.

Overrides:: installUI in class ComponentUI

installDefaults

protected void installDefaults()

Installs the UI defaults.

installListeners

protected void installListeners()

Installs the event listeners for the UI.

installKeyboardActions

protected void installKeyboardActions()

Installs the keyboard actions for the UI.

uninstallUI

public void uninstallUI(JComponent c)

Uninstalls the UI.

Overrides:: uninstallUI in class ComponentUI

uninstallDefaults

protected void uninstallDefaults()

Uninstalls the UI defaults.

uninstallListeners

protected void uninstallListeners()

Uninstalls the event listeners for the UI.

uninstallKeyboardActions

protected void uninstallKeyboardActions()

Uninstalls the keyboard actions for the UI.

createPropertyChangeListener

protected PropertyChangeListener createPropertyChangeListener()

Creates a PropertyChangeListener for the JSplitPane UI.

createFocusListener

protected FocusListener createFocusListener()

Creates a FocusListener for the JSplitPane UI.