- /*
- * @(#)SynthTextAreaUI.java 1.8 04/06/24
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package javax.swing.plaf.synth;
-
- import javax.swing.*;
- import javax.swing.text.*;
- import javax.swing.event.*;
- import javax.swing.plaf.*;
- import javax.swing.plaf.basic.BasicTextAreaUI;
- import java.awt.*;
- import java.beans.PropertyChangeEvent;
- import sun.swing.plaf.synth.SynthUI;
-
- /**
- * Provides the look and feel for a plain text editor in the
- * Synth look and feel. In this implementation the default UI
- * is extended to act as a simple view factory.
- * <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
- * @version 1.8 06/24/04
- */
- class SynthTextAreaUI extends BasicTextAreaUI implements SynthUI {
- private SynthStyle style;
-
- /**
- * Creates a UI for a JTextArea.
- *
- * @param ta a text area
- * @return the UI
- */
- public static ComponentUI createUI(JComponent ta) {
- return new SynthTextAreaUI();
- }
-
- protected void installDefaults() {
- updateStyle((JTextComponent)getComponent());
- }
-
- protected void uninstallDefaults() {
- SynthContext context = getContext(getComponent(), ENABLED);
-
- getComponent().putClientProperty("caretAspectRatio", null);
-
- style.uninstallDefaults(context);
- context.dispose();
- style = null;
- super.uninstallDefaults();
- }
-
- public void installUI(JComponent c) {
- super.installUI(c);
- }
-
- private void updateStyle(JTextComponent comp) {
- SynthContext context = getContext(comp, ENABLED);
- SynthStyle oldStyle = style;
-
- style = SynthLookAndFeel.updateStyle(context, this);
-
- if (style != oldStyle) {
- SynthTextFieldUI.updateStyle(comp, context, getPropertyPrefix());
-
- if (oldStyle != null) {
- uninstallKeyboardActions();
- installKeyboardActions();
- }
- }
- context.dispose();
- }
-
- public SynthContext getContext(JComponent c) {
- return getContext(c, getComponentState(c));
- }
-
- private SynthContext getContext(JComponent c, int state) {
- return SynthContext.getContext(SynthContext.class, c,
- SynthLookAndFeel.getRegion(c), style, state);
- }
-
- private int getComponentState(JComponent c) {
- return SynthLookAndFeel.getComponentState(c);
- }
-
- public void update(Graphics g, JComponent c) {
- SynthContext context = getContext(c);
-
- SynthLookAndFeel.update(context, g);
- context.getPainter().paintTextAreaBackground(context,
- g, 0, 0, c.getWidth(), c.getHeight());
- paint(context, g);
- context.dispose();
- }
-
- protected void paint(SynthContext context, Graphics g) {
- super.paint(g, getComponent());
- }
-
- protected void paintBackground(Graphics g) {
- // Overriden to do nothing, all our painting is done from update/paint.
- }
-
- public void paintBorder(SynthContext context, Graphics g, int x,
- int y, int w, int h) {
- context.getPainter().paintTextAreaBorder(context, g, x, y, w, h);
- }
-
- /**
- * 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.
- * This is implemented to rebuild the View when the
- * <em>WrapLine</em> or the <em>WrapStyleWord</em> property changes.
- *
- * @param evt the property change event
- */
- protected void propertyChange(PropertyChangeEvent evt) {
- if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
- updateStyle((JTextComponent)evt.getSource());
- }
- super.propertyChange(evt);
- }
- }