jdk/src/share/classes/javax/swing/plaf/synth/SynthTextPaneUI.java
changeset 2 90ce3da70b43
child 4394 92a8ec883f5d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/javax/swing/plaf/synth/SynthTextPaneUI.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,162 @@
+/*
+ * Copyright 2002-2003 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package javax.swing.plaf.synth;
+
+import javax.swing.*;
+import javax.swing.text.*;
+import javax.swing.plaf.*;
+import java.beans.PropertyChangeEvent;
+import java.awt.*;
+
+/**
+ * Provides the look and feel for a styled text editor in the
+ * Synth look and feel.
+ * <p>
+ * <strong>Warning:</strong>
+ * Serialized objects of this class will not be compatible with
+ * future Swing releases. The current serialization support is
+ * appropriate for short term storage or RMI between applications running
+ * the same version of Swing.  As of 1.4, support for long term storage
+ * of all JavaBeans<sup><font size="-2">TM</font></sup>
+ * has been added to the <code>java.beans</code> package.
+ * Please see {@link java.beans.XMLEncoder}.
+ *
+ * @author  Shannon Hickey
+ */
+class SynthTextPaneUI extends SynthEditorPaneUI {
+
+    /**
+     * Creates a UI for the JTextPane.
+     *
+     * @param c the JTextPane object
+     * @return the UI
+     */
+    public static ComponentUI createUI(JComponent c) {
+        return new SynthTextPaneUI();
+    }
+
+    /**
+     * Fetches the name used as a key to lookup properties through the
+     * UIManager.  This is used as a prefix to all the standard
+     * text properties.
+     *
+     * @return the name ("TextPane")
+     */
+    protected String getPropertyPrefix() {
+        return "TextPane";
+    }
+
+    public void installUI(JComponent c) {
+        super.installUI(c);
+        updateForeground(c.getForeground());
+        updateFont(c.getFont());
+    }
+
+    /**
+     * This method gets called when a bound property is changed
+     * on the associated JTextComponent.  This is a hook
+     * which UI implementations may change to reflect how the
+     * UI displays bound properties of JTextComponent subclasses.
+     * If the font, foreground or document has changed, the
+     * the appropriate property is set in the default style of
+     * the document.
+     *
+     * @param evt the property change event
+     */
+    protected void propertyChange(PropertyChangeEvent evt) {
+        super.propertyChange(evt);
+
+        String name = evt.getPropertyName();
+
+        if (name.equals("foreground")) {
+            updateForeground((Color)evt.getNewValue());
+        } else if (name.equals("font")) {
+            updateFont((Font)evt.getNewValue());
+        } else if (name.equals("document")) {
+            JComponent comp = getComponent();
+            updateForeground(comp.getForeground());
+            updateFont(comp.getFont());
+        }
+    }
+
+    /**
+     * Update the color in the default style of the document.
+     *
+     * @param color the new color to use or null to remove the color attribute
+     *              from the document's style
+     */
+    private void updateForeground(Color color) {
+        StyledDocument doc = (StyledDocument)getComponent().getDocument();
+        Style style = doc.getStyle(StyleContext.DEFAULT_STYLE);
+
+        if (style == null) {
+            return;
+        }
+
+        if (color == null) {
+            style.removeAttribute(StyleConstants.Foreground);
+        } else {
+            StyleConstants.setForeground(style, color);
+        }
+    }
+
+    /**
+     * Update the font in the default style of the document.
+     *
+     * @param font the new font to use or null to remove the font attribute
+     *             from the document's style
+     */
+    private void updateFont(Font font) {
+        StyledDocument doc = (StyledDocument)getComponent().getDocument();
+        Style style = doc.getStyle(StyleContext.DEFAULT_STYLE);
+
+        if (style == null) {
+            return;
+        }
+
+        if (font == null) {
+            style.removeAttribute(StyleConstants.FontFamily);
+            style.removeAttribute(StyleConstants.FontSize);
+            style.removeAttribute(StyleConstants.Bold);
+            style.removeAttribute(StyleConstants.Italic);
+        } else {
+            StyleConstants.setFontFamily(style, font.getName());
+            StyleConstants.setFontSize(style, font.getSize());
+            StyleConstants.setBold(style, font.isBold());
+            StyleConstants.setItalic(style, font.isItalic());
+        }
+    }
+
+    void paintBackground(SynthContext context, Graphics g, JComponent c) {
+        context.getPainter().paintTextPaneBackground(context, g, 0, 0,
+                                                  c.getWidth(), c.getHeight());
+    }
+
+    public void paintBorder(SynthContext context, Graphics g, int x,
+                            int y, int w, int h) {
+        context.getPainter().paintTextPaneBorder(context, g, x, y, w, h);
+    }
+}