JDK8/Java8源码在线阅读
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package javax.swing.plaf.basic;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.util.Hashtable;
import java.util.HashMap;
import javax.swing.border.*;
import javax.swing.plaf.*;
import sun.swing.DefaultLookup;
import sun.swing.UIAction;
/**
* A Basic L&F implementation of ToolBarUI. This implementation
* is a "combined" view/controller.
* <p>
*
* @author Georges Saab
* @author Jeff Shapiro
*/
public class BasicToolBarUI extends ToolBarUI implements SwingConstants
{
protected JToolBar toolBar;
private boolean floating;
private int floatingX;
private int floatingY;
private JFrame floatingFrame;
private RootPaneContainer floatingToolBar;
protected DragWindow dragWindow;
private Container dockingSource;
private int dockingSensitivity = 0;
protected int focusedCompIndex = -1;
protected Color dockingColor = null;
protected Color floatingColor = null;
protected Color dockingBorderColor = null;
protected Color floatingBorderColor = null;
protected MouseInputListener dockingListener;
protected PropertyChangeListener propertyListener;
protected ContainerListener toolBarContListener;
protected FocusListener toolBarFocusListener;
private Handler handler;
protected String constraintBeforeFloating = BorderLayout.NORTH;
// Rollover button implementation.
private static String IS_ROLLOVER = "JToolBar.isRollover";
private static Border rolloverBorder;
private static Border nonRolloverBorder;
private static Border nonRolloverToggleBorder;
private boolean rolloverBorders = false;
private HashMap<AbstractButton, Border> borderTable = new HashMap<AbstractButton, Border>();
private Hashtable<AbstractButton, Boolean> rolloverTable = new Hashtable<AbstractButton, Boolean>();
/**
* 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.
*
* @deprecated As of Java 2 platform v1.3.
*/
@Deprecated
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.
*
* @deprecated As of Java 2 platform v1.3.
*/
@Deprecated
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.
*
* @deprecated As of Java 2 platform v1.3.
*/
@Deprecated
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.
*
* @deprecated As of Java 2 platform v1.3.
*/
@Deprecated
protected KeyStroke rightKey;
private static String FOCUSED_COMP_INDEX = "JToolBar.focusedCompIndex";
public static ComponentUI createUI( JComponent c )
{
return new BasicToolBarUI();
}
public void installUI( JComponent c )
{
toolBar = (JToolBar) c;
// Set defaults
installDefaults();
installComponents();
installListeners();
installKeyboardActions();
// Initialize instance vars
dockingSensitivity = 0;
floating = false;
floatingX = floatingY = 0;
floatingToolBar = null;
setOrientation( toolBar.getOrientation() );
LookAndFeel.installProperty(c, "opaque", Boolean.TRUE);
if ( c.getClientProperty( FOCUSED_COMP_INDEX ) != null )
{
focusedCompIndex = ( (Integer) ( c.getClientProperty( FOCUSED_COMP_INDEX ) ) ).intValue();
}
}
public void uninstallUI( JComponent c )
{
// Clear defaults
uninstallDefaults();
uninstallComponents();
uninstallListeners();
uninstallKeyboardActions();
// Clear instance vars
if (isFloating())
setFloating(false, null);
floatingToolBar = null;
dragWindow = null;
dockingSource = null;
c.putClientProperty( FOCUSED_COMP_INDEX, Integer.valueOf( focusedCompIndex ) );
}
protected void installDefaults( )
{
LookAndFeel.installBorder(toolBar,"ToolBar.border");
LookAndFeel.installColorsAndFont(toolBar,
"ToolBar.background",
"ToolBar.foreground",
"ToolBar.font");
// Toolbar specific defaults
if ( dockingColor == null || dockingColor instanceof UIResource )
dockingColor = UIManager.getColor("ToolBar.dockingBackground");
if ( floatingColor == null || floatingColor instanceof UIResource )
floatingColor = UIManager.getColor("ToolBar.floatingBackground");
if ( dockingBorderColor == null ||
dockingBorderColor instanceof UIResource )
dockingBorderColor = UIManager.getColor("ToolBar.dockingForeground");
if ( floatingBorderColor == null ||
floatingBorderColor instanceof UIResource )
floatingBorderColor = UIManager.getColor("ToolBar.floatingForeground");
// ToolBar rollover button borders
Object rolloverProp = toolBar.getClientProperty( IS_ROLLOVER );
if (rolloverProp == null) {
rolloverProp = UIManager.get("ToolBar.isRollover");
}
if ( rolloverProp != null ) {
rolloverBorders = ((Boolean)rolloverProp).booleanValue();
}
if (rolloverBorder == null) {
rolloverBorder = createRolloverBorder();
}
if (nonRolloverBorder == null) {
nonRolloverBorder = createNonRolloverBorder();
}
if (nonRolloverToggleBorder == null) {
nonRolloverToggleBorder = createNonRolloverToggleBorder();
}
setRolloverBorders( isRolloverBorders() );
}
protected void uninstallDefaults( )
{
LookAndFeel.uninstallBorder(toolBar);
dockingColor = null;
floatingColor = null;
dockingBorderColor = null;
floatingBorderColor = null;
installNormalBorders(toolBar);
rolloverBorder = null;
nonRolloverBorder = null;
nonRolloverToggleBorder = null;
}
protected void installComponents( )
{
}
protected void uninstallComponents( )
{
}
protected void installListeners( )
{
dockingListener = createDockingListener( );
if ( dockingListener != null )
{
toolBar.addMouseMotionListener( dockingListener );
toolBar.addMouseListener( dockingListener );
}
propertyListener = createPropertyListener(); // added in setFloating
if (propertyListener != null) {
toolBar.addPropertyChangeListener(propertyListener);
}
toolBarContListener = createToolBarContListener();
if ( toolBarContListener != null ) {
toolBar.addContainerListener( toolBarContListener );
}
toolBarFocusListener = createToolBarFocusListener();
if ( toolBarFocusListener != null )
{
// Put focus listener on all components in toolbar
Component[] components = toolBar.getComponents();
for (Component component : components) {
component.addFocusListener(toolBarFocusListener);
}
}
}
protected void uninstallListeners( )
{
if ( dockingListener != null )
{
toolBar.removeMouseMotionListener(dockingListener);
toolBar.removeMouseListener(dockingListener);
dockingListener = null;
}
if ( propertyListener != null )
{
toolBar.removePropertyChangeListener(propertyListener);
propertyListener = null; // removed in setFloating
}
if ( toolBarContListener != null )
{
toolBar.removeContainerListener( toolBarContListener );
toolBarContListener = null;
}
if ( toolBarFocusListener != null )
{
// Remove focus listener from all components in toolbar
Component[] components = toolBar.getComponents();
for (Component component : components) {
component.removeFocusListener(toolBarFocusListener);
}
toolBarFocusListener = null;
}
handler = null;
}
protected void installKeyboardActions( )
{
InputMap km = getInputMap(JComponent.
WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
SwingUtilities.replaceUIInputMap(toolBar, JComponent.
WHEN_ANCESTOR_OF_FOCUSED_COMPONENT,
km);
LazyActionMap.installLazyActionMap(toolBar, BasicToolBarUI.class,
"ToolBar.actionMap");
}
InputMap getInputMap(int condition) {
if (condition == JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT) {
return (InputMap)DefaultLookup.get(toolBar, this,
"ToolBar.ancestorInputMap");
}
return null;
}
static void loadActionMap(LazyActionMap map) {
map.put(new Actions(Actions.NAVIGATE_RIGHT));
map.put(new Actions(Actions.NAVIGATE_LEFT));
map.put(new Actions(Actions.NAVIGATE_UP));
map.put(new Actions(Actions.NAVIGATE_DOWN));
}
protected void uninstallKeyboardActions( )
{
SwingUtilities.replaceUIActionMap(toolBar, null);
SwingUtilities.replaceUIInputMap(toolBar, JComponent.
WHEN_ANCESTOR_OF_FOCUSED_COMPONENT,
null);
}
protected void navigateFocusedComp( int direction )
{
int nComp = toolBar.getComponentCount();
int j;
switch ( direction )
{
case EAST:
case SOUTH:
if ( focusedCompIndex < 0 || focusedCompIndex >= nComp ) break;
j = focusedCompIndex + 1;
while ( j != focusedCompIndex )
{
if ( j >= nComp ) j = 0;
Component comp = toolBar.getComponentAtIndex( j++ );
if ( comp != null && comp.isFocusTraversable() && comp.isEnabled() )
{
comp.requestFocus();
break;
}
}
break;
case WEST:
case NORTH:
if ( focusedCompIndex < 0 || focusedCompIndex >= nComp ) break;
j = focusedCompIndex - 1;
while ( j != focusedCompIndex )
{
if ( j < 0 ) j = nComp - 1;
Component comp = toolBar.getComponentAtIndex( j-- );
if ( comp != null && comp.isFocusTraversable() && comp.isEnabled() )
{
comp.requestFocus();
break;
}
}
break;
default:
break;
}
}
/**
* Creates a rollover border for toolbar components. The
* rollover border will be installed if rollover borders are
* enabled.
* <p>
* Override this method to provide an alternate rollover border.
*
* @since 1.4
*/
protected Border createRolloverBorder() {
Object border = UIManager.get("ToolBar.rolloverBorder");
if (border != null) {
return (Border)border;
}
UIDefaults table = UIManager.getLookAndFeelDefaults();
return new CompoundBorder(new BasicBorders.RolloverButtonBorder(
table.getColor("controlShadow"),
table.getColor("controlDkShadow"),
table.getColor("controlHighlight"),
table.getColor("controlLtHighlight")),
new BasicBorders.RolloverMarginBorder());
}
/**
* Creates the non rollover border for toolbar components. This
* border will be installed as the border for components added
* to the toolbar if rollover borders are not enabled.
* <p>
* Override this method to provide an alternate rollover border.
*
* @since 1.4
*/
protected Border createNonRolloverBorder() {
Object border = UIManager.get("ToolBar.nonrolloverBorder");
if (border != null) {
return (Border)border;
}
UIDefaults table = UIManager.getLookAndFeelDefaults();
return new CompoundBorder(new BasicBorders.ButtonBorder(
table.getColor("Button.shadow"),
table.getColor("Button.darkShadow"),
table.getColor("Button.light"),
table.getColor("Button.highlight")),
new BasicBorders.RolloverMarginBorder());
}
/**
* Creates a non rollover border for Toggle buttons in the toolbar.
*/
private Border createNonRolloverToggleBorder() {
UIDefaults table = UIManager.getLookAndFeelDefaults();
return new CompoundBorder(new BasicBorders.RadioButtonBorder(
table.getColor("ToggleButton.shadow"),
table.getColor("ToggleButton.darkShadow"),
table.getColor("ToggleButton.light"),
table.getColor("ToggleButton.highlight")),
new BasicBorders.RolloverMarginBorder());
}
/**
* No longer used, use BasicToolBarUI.createFloatingWindow(JToolBar)
* @see #createFloatingWindow
*/
protected JFrame createFloatingFrame(JToolBar toolbar) {
Window window = SwingUtilities.getWindowAncestor(toolbar);
JFrame frame = new JFrame(toolbar.getName(),
(window != null) ? window.getGraphicsConfiguration() : null) {
// Override createRootPane() to automatically resize
// the frame when contents change
protected JRootPane createRootPane() {
JRootPane rootPane = new JRootPane() {
private boolean packing = false;
public void validate() {
super.validate();
if (!packing) {
packing = true;
pack();
packing = false;
}
}
};
rootPane.setOpaque(true);
return rootPane;
}
};
frame.getRootPane().setName("ToolBar.FloatingFrame");
frame.setResizable(false);
WindowListener wl = createFrameListener();
frame.addWindowListener(wl);
return frame;
}
/**
* Creates a window which contains the toolbar after it has been
* dragged out from its container
* @return a <code>RootPaneContainer</code> object, containing the toolbar.
* @since 1.4
*/
protected RootPaneContainer createFloatingWindow(JToolBar toolbar) {
class ToolBarDialog extends JDialog {
public ToolBarDialog(Frame owner, String title, boolean modal) {
super(owner, title, modal);
}
public ToolBarDialog(Dialog owner, String title, boolean modal) {
super(owner, title, modal);
}
// Override createRootPane() to automatically resize
// the frame when contents change
protected JRootPane createRootPane() {
JRootPane rootPane = new JRootPane() {
private boolean packing = false;
public void validate() {
super.validate();
if (!packing) {
packing = true;
pack();
packing = false;
}
}
};
rootPane.setOpaque(true);
return rootPane;
}
}
JDialog dialog;
Window window = SwingUtilities.getWindowAncestor(toolbar);
if (window instanceof Frame) {
dialog = new ToolBarDialog((Frame)window, toolbar.getName(), false);
} else if (window instanceof Dialog) {
dialog = new ToolBarDialog((Dialog)window, toolbar.getName(), false);
} else {
dialog = new ToolBarDialog((Frame)null, toolbar.getName(), false);
}
dialog.getRootPane().setName("ToolBar.FloatingWindow");
dialog.setTitle(toolbar.getName());
dialog.setResizable(false);
WindowListener wl = createFrameListener();
dialog.addWindowListener(wl);
return dialog;
}
protected DragWindow createDragWindow(JToolBar toolbar) {
Window frame = null;
if(toolBar != null) {
Container p;
for(p = toolBar.getParent() ; p != null && !(p instanceof Window) ;
p = p.getParent());
if(p != null && p instanceof Window)
frame = (Window) p;
}
if(floatingToolBar == null) {
floatingToolBar = createFloatingWindow(toolBar);
}
if (floatingToolBar instanceof Window) frame = (Window) floatingToolBar;
DragWindow dragWindow = new DragWindow(frame);
return dragWindow;
}
/**
* Returns a flag to determine whether rollover button borders
* are enabled.
*
* @return true if rollover borders are enabled; false otherwise
* @see #setRolloverBorders
* @since 1.4
*/
public boolean isRolloverBorders() {
return rolloverBorders;
}
/**
* Sets the flag for enabling rollover borders on the toolbar and it will
* also install the appropriate border depending on the state of the flag.
*
* @param rollover if true, rollover borders are installed.
* Otherwise non-rollover borders are installed
* @see #isRolloverBorders
* @since 1.4
*/
public void setRolloverBorders( boolean rollover ) {
rolloverBorders = rollover;
if ( rolloverBorders ) {
installRolloverBorders( toolBar );
} else {
installNonRolloverBorders( toolBar );
}
}
/**
* Installs rollover borders on all the child components of the JComponent.
* <p>
* This is a convenience method to call <code>setBorderToRollover</code>
* for each child component.
*
* @param c container which holds the child components (usually a JToolBar)
* @see #setBorderToRollover
* @since 1.4
*/
protected void installRolloverBorders ( JComponent c ) {
// Put rollover borders on buttons
Component[] components = c.getComponents();
for (Component component : components) {
if (component instanceof JComponent) {
((JComponent) component).updateUI();
setBorderToRollover(component);
}
}
}
/**
* Installs non-rollover borders on all the child components of the JComponent.
* A non-rollover border is the border that is installed on the child component
* while it is in the toolbar.
* <p>
* This is a convenience method to call <code>setBorderToNonRollover</code>
* for each child component.
*
* @param c container which holds the child components (usually a JToolBar)
* @see #setBorderToNonRollover
* @since 1.4
*/
protected void installNonRolloverBorders ( JComponent c ) {
// Put non-rollover borders on buttons. These borders reduce the margin.
Component[] components = c.getComponents();
for (Component component : components) {
if (component instanceof JComponent) {
((JComponent) component).updateUI();
setBorderToNonRollover(component);
}
}
}
/**
* Installs normal borders on all the child components of the JComponent.
* A normal border is the original border that was installed on the child
* component before it was added to the toolbar.
* <p>
* This is a convenience method to call <code>setBorderNormal</code>
* for each child component.
*
* @param c container which holds the child components (usually a JToolBar)
* @see #setBorderToNonRollover
* @since 1.4
*/
protected void installNormalBorders ( JComponent c ) {
// Put back the normal borders on buttons
Component[] components = c.getComponents();
for (Component component : components) {
setBorderToNormal(component);
}
}
/**
* Sets the border of the component to have a rollover border which
* was created by the {@link #createRolloverBorder} method.
*
* @param c component which will have a rollover border installed
* @see #createRolloverBorder
* @since 1.4
*/
protected void setBorderToRollover(Component c) {
if (c instanceof AbstractButton) {
AbstractButton b = (AbstractButton)c;
Border border = borderTable.get(b);
if (border == null || border instanceof UIResource) {
borderTable.put(b, b.getBorder());
}
// Only set the border if its the default border
if (b.getBorder() instanceof UIResource) {
b.setBorder(getRolloverBorder(b));
}
rolloverTable.put(b, b.isRolloverEnabled()?
Boolean.TRUE: Boolean.FALSE);
b.setRolloverEnabled(true);
}
}
/**
* Returns a rollover border for the button.
*
* @param b the button to calculate the rollover border for
* @return the rollover border
* @see #setBorderToRollover
* @since 1.6
*/
protected Border getRolloverBorder(AbstractButton b) {
return rolloverBorder;
}
/**
* Sets the border of the component to have a non-rollover border which
* was created by the {@link #createNonRolloverBorder} method.
*
* @param c component which will have a non-rollover border installed
* @see #createNonRolloverBorder
* @since 1.4
*/
protected void setBorderToNonRollover(Component c) {
if (c instanceof AbstractButton) {
AbstractButton b = (AbstractButton)c;
Border border = borderTable.get(b);
if (border == null || border instanceof UIResource) {
borderTable.put(b, b.getBorder());
}
// Only set the border if its the default border
if (b.getBorder() instanceof UIResource) {
b.setBorder(getNonRolloverBorder(b));
}
rolloverTable.put(b, b.isRolloverEnabled()?
Boolean.TRUE: Boolean.FALSE);
b.setRolloverEnabled(false);
}
}
/**
* Returns a non-rollover border for the button.
*
* @param b the button to calculate the non-rollover border for
* @return the non-rollover border
* @see #setBorderToNonRollover
* @since 1.6
*/
protected Border getNonRolloverBorder(AbstractButton b) {
if (b instanceof JToggleButton) {
return nonRolloverToggleBorder;
} else {
return nonRolloverBorder;
}
}
/**
* Sets the border of the component to have a normal border.
* A normal border is the original border that was installed on the child
* component before it was added to the toolbar.
*
* @param c component which will have a normal border re-installed
* @see #createNonRolloverBorder
* @since 1.4
*/
protected void setBorderToNormal(Component c) {
if (c instanceof AbstractButton) {
AbstractButton b = (AbstractButton)c;
Border border = borderTable.remove(b);
b.setBorder(border);
Boolean value = rolloverTable.remove(b);
if (value != null) {
b.setRolloverEnabled(value.booleanValue());
}
}
}
public void setFloatingLocation(int x, int y) {
floatingX = x;
floatingY = y;
}
public boolean isFloating() {
return floating;
}
public void setFloating(boolean b, Point p) {
if (toolBar.isFloatable()) {
boolean visible = false;
Window ancestor = SwingUtilities.getWindowAncestor(toolBar);
if (ancestor != null) {
visible = ancestor.isVisible();
}
if (dragWindow != null)
dragWindow.setVisible(false);
this.floating = b;
if (floatingToolBar == null) {
floatingToolBar = createFloatingWindow(toolBar);
}
if (b == true)
{
if (dockingSource == null)
{
dockingSource = toolBar.getParent();
dockingSource.remove(toolBar);
}
constraintBeforeFloating = calculateConstraint();
if ( propertyListener != null )
UIManager.addPropertyChangeListener( propertyListener );
floatingToolBar.getContentPane().add(toolBar,BorderLayout.CENTER);
if (floatingToolBar instanceof Window) {
((Window)floatingToolBar).pack();
((Window)floatingToolBar).setLocation(floatingX, floatingY);
if (visible) {
((Window)floatingToolBar).show();
} else {
ancestor.addWindowListener(new WindowAdapter() {
public void windowOpened(WindowEvent e) {
((Window)floatingToolBar).show();
}
});
}
}
} else {
if (floatingToolBar == null)
floatingToolBar = createFloatingWindow(toolBar);
if (floatingToolBar instanceof Window) ((Window)floatingToolBar).setVisible(false);
floatingToolBar.getContentPane().remove(toolBar);
String constraint = getDockingConstraint(dockingSource,
p);
if (constraint == null) {
constraint = BorderLayout.NORTH;
}
int orientation = mapConstraintToOrientation(constraint);
setOrientation(orientation);
if (dockingSource== null)
dockingSource = toolBar.getParent();
if ( propertyListener != null )
UIManager.removePropertyChangeListener( propertyListener );
dockingSource.add(constraint, toolBar);
}
dockingSource.invalidate();
Container dockingSourceParent = dockingSource.getParent();
if (dockingSourceParent != null)
dockingSourceParent.validate();
dockingSource.repaint();
}
}
private int mapConstraintToOrientation(String constraint)
{
int orientation = toolBar.getOrientation();
if ( constraint != null )
{
if ( constraint.equals(BorderLayout.EAST) || constraint.equals(BorderLayout.WEST) )
orientation = JToolBar.VERTICAL;
else if ( constraint.equals(BorderLayout.NORTH) || constraint.equals(BorderLayout.SOUTH) )
orientation = JToolBar.HORIZONTAL;
}
return orientation;
}
public void setOrientation(int orientation)
{
toolBar.setOrientation( orientation );
if (dragWindow !=null)
dragWindow.setOrientation(orientation);
}
/**
* Gets the color displayed when over a docking area
*/
public Color getDockingColor() {
return dockingColor;
}
/**
* Sets the color displayed when over a docking area
*/
public void setDockingColor(Color c) {
this.dockingColor = c;
}
/**
* Gets the color displayed when over a floating area
*/
public Color getFloatingColor() {
return floatingColor;
}
/**
* Sets the color displayed when over a floating area
*/
public void setFloatingColor(Color c) {
this.floatingColor = c;
}
private boolean isBlocked(Component comp, Object constraint) {
if (comp instanceof Container) {
Container cont = (Container)comp;
LayoutManager lm = cont.getLayout();
if (lm instanceof BorderLayout) {
BorderLayout blm = (BorderLayout)lm;
Component c = blm.getLayoutComponent(cont, constraint);
return (c != null && c != toolBar);
}
}
return false;
}
public boolean canDock(Component c, Point p) {
return (p != null && getDockingConstraint(c, p) != null);
}
private String calculateConstraint() {
String constraint = null;
LayoutManager lm = dockingSource.getLayout();
if (lm instanceof BorderLayout) {
constraint = (String)((BorderLayout)lm).getConstraints(toolBar);
}
return (constraint != null) ? constraint : constraintBeforeFloating;
}
private String getDockingConstraint(Component c, Point p) {
if (p == null) return constraintBeforeFloating;
if (c.contains(p)) {
dockingSensitivity = (toolBar.getOrientation() == JToolBar.HORIZONTAL)
? toolBar.getSize().height
: toolBar.getSize().width;
// North (Base distance on height for now!)
if (p.y < dockingSensitivity && !isBlocked(c, BorderLayout.NORTH)) {
return BorderLayout.NORTH;
}
// East (Base distance on height for now!)
if (p.x >= c.getWidth() - dockingSensitivity && !isBlocked(c, BorderLayout.EAST)) {
return BorderLayout.EAST;
}
// West (Base distance on height for now!)
if (p.x < dockingSensitivity && !isBlocked(c, BorderLayout.WEST)) {
return BorderLayout.WEST;
}
if (p.y >= c.getHeight() - dockingSensitivity && !isBlocked(c, BorderLayout.SOUTH)) {
return BorderLayout.SOUTH;
}
}
return null;
}
protected void dragTo(Point position, Point origin)
{
if (toolBar.isFloatable())
{
try
{
if (dragWindow == null)
dragWindow = createDragWindow(toolBar);
Point offset = dragWindow.getOffset();
if (offset == null) {
Dimension size = toolBar.getPreferredSize();
offset = new Point(size.width/2, size.height/2);
dragWindow.setOffset(offset);
}
Point global = new Point(origin.x+ position.x,
origin.y+position.y);
Point dragPoint = new Point(global.x- offset.x,
global.y- offset.y);
if (dockingSource == null)
dockingSource = toolBar.getParent();
constraintBeforeFloating = calculateConstraint();
Point dockingPosition = dockingSource.getLocationOnScreen();
Point comparisonPoint = new Point(global.x-dockingPosition.x,
global.y-dockingPosition.y);
if (canDock(dockingSource, comparisonPoint)) {
dragWindow.setBackground(getDockingColor());
String constraint = getDockingConstraint(dockingSource,
comparisonPoint);
int orientation = mapConstraintToOrientation(constraint);
dragWindow.setOrientation(orientation);
dragWindow.setBorderColor(dockingBorderColor);
} else {
dragWindow.setBackground(getFloatingColor());
dragWindow.setBorderColor(floatingBorderColor);
dragWindow.setOrientation(toolBar.getOrientation());
}
dragWindow.setLocation(dragPoint.x, dragPoint.y);
if (dragWindow.isVisible() == false) {
Dimension size = toolBar.getPreferredSize();
dragWindow.setSize(size.width, size.height);
dragWindow.show();
}
}
catch ( IllegalComponentStateException e )
{
}
}
}
protected void floatAt(Point position, Point origin)
{
if(toolBar.isFloatable())
{
try
{
Point offset = dragWindow.getOffset();
if (offset == null) {
offset = position;
dragWindow.setOffset(offset);
}
Point global = new Point(origin.x+ position.x,
origin.y+position.y);
setFloatingLocation(global.x-offset.x,
global.y-offset.y);
if (dockingSource != null) {
Point dockingPosition = dockingSource.getLocationOnScreen();
Point comparisonPoint = new Point(global.x-dockingPosition.x,
global.y-dockingPosition.y);
if (canDock(dockingSource, comparisonPoint)) {
setFloating(false, comparisonPoint);
} else {
setFloating(true, null);
}
} else {
setFloating(true, null);
}
dragWindow.setOffset(null);
}
catch ( IllegalComponentStateException e )
{
}
}
}
private Handler getHandler() {
if (handler == null) {
handler = new Handler();
}
return handler;
}
protected ContainerListener createToolBarContListener( )
{
return getHandler();
}
protected FocusListener createToolBarFocusListener( )
{
return getHandler();
}
protected PropertyChangeListener createPropertyListener()
{
return getHandler();
}
protected MouseInputListener createDockingListener( ) {
getHandler().tb = toolBar;
return getHandler();
}
protected WindowListener createFrameListener() {
return new FrameListener();
}
/**
* Paints the contents of the window used for dragging.
*
* @param g Graphics to paint to.
* @throws NullPointerException is <code>g</code> is null
* @since 1.5
*/
protected void paintDragWindow(Graphics g) {
g.setColor(dragWindow.getBackground());
int w = dragWindow.getWidth();
int h = dragWindow.getHeight();
g.fillRect(0, 0, w, h);
g.setColor(dragWindow.getBorderColor());
g.drawRect(0, 0, w - 1, h - 1);
}
private static class Actions extends UIAction {
private static final String NAVIGATE_RIGHT = "navigateRight";
private static final String NAVIGATE_LEFT = "navigateLeft";
private static final String NAVIGATE_UP = "navigateUp";
private static final String NAVIGATE_DOWN = "navigateDown";
public Actions(String name) {
super(name);
}
public void actionPerformed(ActionEvent evt) {
String key = getName();
JToolBar toolBar = (JToolBar)evt.getSource();
BasicToolBarUI ui = (BasicToolBarUI)BasicLookAndFeel.getUIOfType(
toolBar.getUI(), BasicToolBarUI.class);
if (NAVIGATE_RIGHT == key) {
ui.navigateFocusedComp(EAST);
} else if (NAVIGATE_LEFT == key) {
ui.navigateFocusedComp(WEST);
} else if (NAVIGATE_UP == key) {
ui.navigateFocusedComp(NORTH);
} else if (NAVIGATE_DOWN == key) {
ui.navigateFocusedComp(SOUTH);
}
}
}
private class Handler implements ContainerListener,
FocusListener, MouseInputListener, PropertyChangeListener {
//
// ContainerListener
//
public void componentAdded(ContainerEvent evt) {
Component c = evt.getChild();
if (toolBarFocusListener != null) {
c.addFocusListener(toolBarFocusListener);
}
if (isRolloverBorders()) {
setBorderToRollover(c);
} else {
setBorderToNonRollover(c);
}
}
public void componentRemoved(ContainerEvent evt) {
Component c = evt.getChild();
if (toolBarFocusListener != null) {
c.removeFocusListener(toolBarFocusListener);
}
// Revert the button border
setBorderToNormal(c);
}
//
// FocusListener
//
public void focusGained(FocusEvent evt) {
Component c = evt.getComponent();
focusedCompIndex = toolBar.getComponentIndex(c);
}
public void focusLost(FocusEvent evt) { }
//
// MouseInputListener (DockingListener)
//
JToolBar tb;
boolean isDragging = false;
Point origin = null;
public void mousePressed(MouseEvent evt) {
if (!tb.isEnabled()) {
return;
}
isDragging = false;
}
public void mouseReleased(MouseEvent evt) {
if (!tb.isEnabled()) {
return;
}
if (isDragging) {
Point position = evt.getPoint();
if (origin == null)
origin = evt.getComponent().getLocationOnScreen();
floatAt(position, origin);
}
origin = null;
isDragging = false;
}
public void mouseDragged(MouseEvent evt) {
if (!tb.isEnabled()) {
return;
}
isDragging = true;
Point position = evt.getPoint();
if (origin == null) {
origin = evt.getComponent().getLocationOnScreen();
}
dragTo(position, origin);
}
public void mouseClicked(MouseEvent evt) {}
public void mouseEntered(MouseEvent evt) {}
public void mouseExited(MouseEvent evt) {}
public void mouseMoved(MouseEvent evt) {}
//
// PropertyChangeListener
//
public void propertyChange(PropertyChangeEvent evt) {
String propertyName = evt.getPropertyName();
if (propertyName == "lookAndFeel") {
toolBar.updateUI();
} else if (propertyName == "orientation") {
// Search for JSeparator components and change it's orientation
// to match the toolbar and flip it's orientation.
Component[] components = toolBar.getComponents();
int orientation = ((Integer)evt.getNewValue()).intValue();
JToolBar.Separator separator;
for (int i = 0; i < components.length; ++i) {
if (components[i] instanceof JToolBar.Separator) {
separator = (JToolBar.Separator)components[i];
if ((orientation == JToolBar.HORIZONTAL)) {
separator.setOrientation(JSeparator.VERTICAL);
} else {
separator.setOrientation(JSeparator.HORIZONTAL);
}
Dimension size = separator.getSeparatorSize();
if (size != null && size.width != size.height) {
// Flip the orientation.
Dimension newSize =
new Dimension(size.height, size.width);
separator.setSeparatorSize(newSize);
}
}
}
} else if (propertyName == IS_ROLLOVER) {
installNormalBorders(toolBar);
setRolloverBorders(((Boolean)evt.getNewValue()).booleanValue());
}
}
}
protected class FrameListener extends WindowAdapter {
public void windowClosing(WindowEvent w) {
if (toolBar.isFloatable()) {
if (dragWindow != null)
dragWindow.setVisible(false);
floating = false;
if (floatingToolBar == null)
floatingToolBar = createFloatingWindow(toolBar);
if (floatingToolBar instanceof Window) ((Window)floatingToolBar).setVisible(false);
floatingToolBar.getContentPane().remove(toolBar);
String constraint = constraintBeforeFloating;
if (toolBar.getOrientation() == JToolBar.HORIZONTAL) {
if (constraint == "West" || constraint == "East") {
constraint = "North";
}
} else {
if (constraint == "North" || constraint == "South") {
constraint = "West";
}
}
if (dockingSource == null)
dockingSource = toolBar.getParent();
if (propertyListener != null)
UIManager.removePropertyChangeListener(propertyListener);
dockingSource.add(toolBar, constraint);
dockingSource.invalidate();
Container dockingSourceParent = dockingSource.getParent();
if (dockingSourceParent != null)
dockingSourceParent.validate();
dockingSource.repaint();
}
}
}
protected class ToolBarContListener implements ContainerListener {
// NOTE: This class exists only for backward compatibility. All
// its functionality has been moved into Handler. If you need to add
// new functionality add it to the Handler, but make sure this
// class calls into the Handler.
public void componentAdded( ContainerEvent e ) {
getHandler().componentAdded(e);
}
public void componentRemoved( ContainerEvent e ) {
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