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+/* MetalToolBarUI.java
+ Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.plaf.metal;
+
+import java.awt.Graphics;
+import java.awt.Point;
+import java.awt.event.ContainerListener;
+import java.awt.event.MouseEvent;
+
+import java.beans.PropertyChangeListener;
+
+import javax.swing.JComponent;
+import javax.swing.JToolBar;
+import javax.swing.SwingConstants;
+import javax.swing.UIManager;
+import javax.swing.border.Border;
+import javax.swing.event.MouseInputListener;
+import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.basic.BasicToolBarUI;
+
+/**
+ * A UI delegate for the {@link JToolBar} component.
+ */
+public class MetalToolBarUI extends BasicToolBarUI
+{
+
+ /**
+ * A listener (no longer used) that responds when components are added to or
+ * removed from the {@link JToolBar}. The required behaviour is now
+ * handled in the super class.
+ *
+ * @see MetalToolBarUI#createContainerListener()
+ */
+ protected class MetalContainerListener
+ extends BasicToolBarUI.ToolBarContListener
+ {
+ /**
+ * Creates a new instance.
+ */
+ protected MetalContainerListener()
+ {
+ // Nothing to do here.
+ }
+ }
+
+ /**
+ * A listener (no longer used) that responds to property change events in a
+ * {@link JToolBar} component. The required behaviour is now handled in the
+ * super class.
+ *
+ * @see MetalToolBarUI#createRolloverListener()
+ */
+ protected class MetalRolloverListener
+ extends BasicToolBarUI.PropertyListener
+ {
+ /**
+ * Creates a new instance.
+ */
+ protected MetalRolloverListener()
+ {
+ // Nothing to do here.
+ }
+ }
+
+ /**
+ * The container listener (an implementation specific field, according to the
+ * spec, and not used in GNU Classpath).
+ */
+ protected ContainerListener contListener;
+
+ /**
+ * The rollover listener (an implementation specific field, according to the
+ * spec, and not used in GNU Classpath).
+ */
+ protected PropertyChangeListener rolloverListener;
+
+ /**
+ * Creates a new instance of this UI delegate.
+ */
+ public MetalToolBarUI()
+ {
+ super();
+ }
+
+ /**
+ * Returns a new instance of <code>MetalToolBarUI</code>.
+ *
+ * @param component the component for which we return an UI instance
+ *
+ * @return A new instance of <code>MetalToolBarUI</code>.
+ */
+ public static ComponentUI createUI(JComponent component)
+ {
+ return new MetalToolBarUI();
+ }
+
+ /**
+ * Returns <code>null</code> as permitted by recent versions of the API
+ * specification. Originally it seems this method returned a new instance of
+ * {@link MetalRolloverListener}, but this is now redundant.
+ *
+ * @return <code>null</code>.
+ */
+ protected PropertyChangeListener createRolloverListener()
+ {
+ return null;
+ }
+
+ /**
+ * Returns <code>null</code> as permitted by recent versions of the API
+ * specification. Originally it seems this method returned a new instance of
+ * {@link MetalContainerListener}, but this is now redundant.
+ *
+ * @return <code>null</code>.
+ */
+ protected ContainerListener createContainerListener()
+ {
+ return null;
+ }
+
+ /**
+ * Returns a border with no rollover effect for buttons in the tool bar.
+ *
+ * @return A border.
+ *
+ * @see MetalBorders#getToolbarButtonBorder()
+ */
+ protected Border createNonRolloverBorder()
+ {
+ return MetalBorders.getToolbarButtonBorder();
+ }
+
+ /**
+ * Sets the offset for the window used for dragging the toolbar.
+ * It is set as long as the window is not null (it has been installed).
+ */
+ protected void setDragOffset(Point p)
+ {
+ if (dragWindow != null)
+ dragWindow.setOffset(p);
+ }
+
+ /**
+ * Creates and returns an instance of MetalDockingListener.
+ *
+ * @return an instance of MetalDockingListener.
+ */
+ protected MouseInputListener createDockingListener()
+ {
+ return new MetalDockingListener(toolBar);
+ }
+
+ /**
+ * This is the MouseHandler class that allows the user to drag the JToolBar
+ * in and out of the parent and dock it if it can.
+ */
+ protected class MetalDockingListener extends BasicToolBarUI.DockingListener
+ {
+ /**
+ * Creates a new DockingListener object.
+ *
+ * @param t The JToolBar this DockingListener is being used for.
+ */
+ public MetalDockingListener(JToolBar t)
+ {
+ super(t);
+ }
+
+ /**
+ * This method is called when the mouse is pressed in the JToolBar. If the
+ * press doesn't occur in a place where it causes the JToolBar to be
+ * dragged, it returns. Otherwise, it starts a drag session.
+ *
+ * @param e The MouseEvent.
+ */
+ public void mousePressed(MouseEvent e)
+ {
+ super.mousePressed(e);
+ setDragOffset(new Point(e.getX(), e.getY()));
+ }
+
+ /**
+ * This method is called when the mouse is dragged. It delegates the drag
+ * painting to the dragTo method.
+ *
+ * @param e The MouseEvent.
+ */
+ public void mouseDragged(MouseEvent e)
+ {
+ // Does not do anything differently than dragging
+ // BasicToolBarUI.DockingListener
+ super.mouseDragged(e);
+ }
+ }
+
+ /**
+ * Installs the UI on the toolbar. This calls super and sets the rollover
+ * property according to the <code>UIManager</code> property
+ * &quot;ToolBar.isRollover&quot;.
+ *
+ * @param c the component to install the UI on
+ */
+ public void installUI(JComponent c)
+ {
+ super.installUI(c);
+ if (c instanceof JToolBar)
+ {
+ JToolBar tb = (JToolBar) c;
+ tb.setRollover(UIManager.getBoolean("ToolBar.isRollover"));
+ }
+ }
+
+ /**
+ * Uninstalls the UI from the toolbar. This calls super and resets the
+ * rollover property.
+ *
+ * @param c the component to uninstall the UI from
+ */
+ public void uninstallUI(JComponent c)
+ {
+ if (c instanceof JToolBar)
+ {
+ JToolBar tb = (JToolBar) c;
+ tb.setRollover(false);
+ }
+ super.uninstallUI(c);
+ }
+
+ /**
+ * Paints the background of the component if necessary and then calls
+ * <code>paint(g, c)</code>.
+ *
+ * This is overridden to implement the OceanTheme gradient when an OceanTheme
+ * is installed.
+ *
+ * @param g the graphics to use
+ * @param c the component to paint.
+ *
+ * @since 1.5
+ */
+ public void update(Graphics g, JComponent c)
+ {
+ // TODO: Sun's implementation uses the MenuBar.gradient here.
+ // I would consider this a bug, but implement it like this
+ // for compatibility.
+ if (MetalLookAndFeel.getCurrentTheme() instanceof OceanTheme
+ && UIManager.get("MenuBar.gradient") != null)
+ {
+ if (c.isOpaque())
+ {
+ MetalUtils.paintGradient(g, 0, 0, c.getWidth(), c.getHeight(),
+ SwingConstants.VERTICAL,
+ "MenuBar.gradient");
+ }
+ paint(g, c);
+ }
+ else
+ {
+ super.update(g, c);
+ }
+ }
+}