jdk/src/java.desktop/share/classes/javax/swing/plaf/synth/SynthRootPaneUI.java
changeset 25859 3317bb8137f4
parent 25100 d527cc827d7d
child 37698 4d798c873df0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/share/classes/javax/swing/plaf/synth/SynthRootPaneUI.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * 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).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.swing.plaf.synth;
+
+import java.awt.*;
+import java.beans.PropertyChangeEvent;
+import javax.swing.*;
+import javax.swing.plaf.*;
+import javax.swing.plaf.basic.BasicRootPaneUI;
+
+/**
+ * Provides the Synth L&F UI delegate for
+ * {@link javax.swing.JRootPane}.
+ *
+ * @author Scott Violet
+ * @since 1.7
+ */
+public class SynthRootPaneUI extends BasicRootPaneUI implements SynthUI {
+    private SynthStyle style;
+
+    /**
+     * Creates a new UI object for the given component.
+     *
+     * @param c component to create UI object for
+     * @return the UI object
+     */
+    public static ComponentUI createUI(JComponent c) {
+        return new SynthRootPaneUI();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected void installDefaults(JRootPane c){
+        updateStyle(c);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected void uninstallDefaults(JRootPane root) {
+        SynthContext context = getContext(root, ENABLED);
+
+        style.uninstallDefaults(context);
+        context.dispose();
+        style = null;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public SynthContext getContext(JComponent c) {
+        return getContext(c, getComponentState(c));
+    }
+
+    private SynthContext getContext(JComponent c, int state) {
+        return SynthContext.getContext(c, style, state);
+    }
+
+    private int getComponentState(JComponent c) {
+        return SynthLookAndFeel.getComponentState(c);
+    }
+
+    private void updateStyle(JComponent  c) {
+        SynthContext context = getContext(c, ENABLED);
+        SynthStyle oldStyle = style;
+        style = SynthLookAndFeel.updateStyle(context, this);
+        if (style != oldStyle) {
+            if (oldStyle != null) {
+                uninstallKeyboardActions((JRootPane)c);
+                installKeyboardActions((JRootPane)c);
+            }
+        }
+        context.dispose();
+    }
+
+    /**
+     * Notifies this UI delegate to repaint the specified component.
+     * This method paints the component background, then calls
+     * the {@link #paint(SynthContext,Graphics)} method.
+     *
+     * <p>In general, this method does not need to be overridden by subclasses.
+     * All Look and Feel rendering code should reside in the {@code paint} method.
+     *
+     * @param g the {@code Graphics} object used for painting
+     * @param c the component being painted
+     * @see #paint(SynthContext,Graphics)
+     */
+    @Override
+    public void update(Graphics g, JComponent c) {
+        SynthContext context = getContext(c);
+
+        SynthLookAndFeel.update(context, g);
+        context.getPainter().paintRootPaneBackground(context,
+                          g, 0, 0, c.getWidth(), c.getHeight());
+        paint(context, g);
+        context.dispose();
+    }
+
+    /**
+     * Paints the specified component according to the Look and Feel.
+     * <p>This method is not used by Synth Look and Feel.
+     * Painting is handled by the {@link #paint(SynthContext,Graphics)} method.
+     *
+     * @param g the {@code Graphics} object used for painting
+     * @param c the component being painted
+     * @see #paint(SynthContext,Graphics)
+     */
+    @Override
+    public void paint(Graphics g, JComponent c) {
+        SynthContext context = getContext(c);
+
+        paint(context, g);
+        context.dispose();
+    }
+
+    /**
+     * Paints the specified component. This implementation does nothing.
+     *
+     * @param context context for the component being painted
+     * @param g the {@code Graphics} object used for painting
+     * @see #update(Graphics,JComponent)
+     */
+    protected void paint(SynthContext context, Graphics g) {
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void paintBorder(SynthContext context, Graphics g, int x,
+                            int y, int w, int h) {
+        context.getPainter().paintRootPaneBorder(context, g, x, y, w, h);
+    }
+
+    /**
+     * Invoked when a property changes on the root pane. If the event
+     * indicates the <code>defaultButton</code> has changed, this will
+     * reinstall the keyboard actions.
+     */
+    @Override
+    public void propertyChange(PropertyChangeEvent e) {
+        if (SynthLookAndFeel.shouldUpdateStyle(e)) {
+            updateStyle((JRootPane)e.getSource());
+        }
+        super.propertyChange(e);
+    }
+}