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/*
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* Copyright 2002-2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package javax.swing.plaf.synth;
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import javax.swing.*;
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import javax.swing.text.*;
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import javax.swing.event.*;
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import javax.swing.plaf.*;
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import javax.swing.plaf.basic.BasicTextAreaUI;
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import java.awt.*;
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import java.beans.PropertyChangeEvent;
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import sun.swing.plaf.synth.SynthUI;
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/**
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* Provides the look and feel for a plain text editor in the
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* Synth look and feel. In this implementation the default UI
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* is extended to act as a simple view factory.
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* <p>
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* <strong>Warning:</strong>
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* Serialized objects of this class will not be compatible with
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* future Swing releases. The current serialization support is
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* appropriate for short term storage or RMI between applications running
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* the same version of Swing. As of 1.4, support for long term storage
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* of all JavaBeans<sup><font size="-2">TM</font></sup>
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* has been added to the <code>java.beans</code> package.
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* Please see {@link java.beans.XMLEncoder}.
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*
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* @author Shannon Hickey
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*/
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class SynthTextAreaUI extends BasicTextAreaUI implements SynthUI {
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private SynthStyle style;
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/**
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* Creates a UI for a JTextArea.
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*
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* @param ta a text area
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* @return the UI
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*/
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public static ComponentUI createUI(JComponent ta) {
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return new SynthTextAreaUI();
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}
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protected void installDefaults() {
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// Installs the text cursor on the component
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super.installDefaults();
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updateStyle((JTextComponent)getComponent());
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}
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protected void uninstallDefaults() {
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SynthContext context = getContext(getComponent(), ENABLED);
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getComponent().putClientProperty("caretAspectRatio", null);
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style.uninstallDefaults(context);
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context.dispose();
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style = null;
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super.uninstallDefaults();
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}
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public void installUI(JComponent c) {
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super.installUI(c);
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}
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private void updateStyle(JTextComponent comp) {
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SynthContext context = getContext(comp, ENABLED);
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SynthStyle oldStyle = style;
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style = SynthLookAndFeel.updateStyle(context, this);
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if (style != oldStyle) {
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SynthTextFieldUI.updateStyle(comp, context, getPropertyPrefix());
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if (oldStyle != null) {
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uninstallKeyboardActions();
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installKeyboardActions();
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}
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}
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context.dispose();
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}
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public SynthContext getContext(JComponent c) {
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return getContext(c, getComponentState(c));
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}
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private SynthContext getContext(JComponent c, int state) {
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return SynthContext.getContext(SynthContext.class, c,
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SynthLookAndFeel.getRegion(c), style, state);
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}
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private int getComponentState(JComponent c) {
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return SynthLookAndFeel.getComponentState(c);
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}
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public void update(Graphics g, JComponent c) {
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SynthContext context = getContext(c);
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SynthLookAndFeel.update(context, g);
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context.getPainter().paintTextAreaBackground(context,
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g, 0, 0, c.getWidth(), c.getHeight());
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paint(context, g);
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context.dispose();
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}
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protected void paint(SynthContext context, Graphics g) {
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super.paint(g, getComponent());
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}
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protected void paintBackground(Graphics g) {
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// Overriden to do nothing, all our painting is done from update/paint.
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}
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public void paintBorder(SynthContext context, Graphics g, int x,
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int y, int w, int h) {
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context.getPainter().paintTextAreaBorder(context, g, x, y, w, h);
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}
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/**
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* This method gets called when a bound property is changed
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* on the associated JTextComponent. This is a hook
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* which UI implementations may change to reflect how the
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* UI displays bound properties of JTextComponent subclasses.
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* This is implemented to rebuild the View when the
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* <em>WrapLine</em> or the <em>WrapStyleWord</em> property changes.
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*
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* @param evt the property change event
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*/
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protected void propertyChange(PropertyChangeEvent evt) {
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if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
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updateStyle((JTextComponent)evt.getSource());
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}
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super.propertyChange(evt);
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}
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}
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