/*
* Copyright (c) 2002, 2006, 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
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*/
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.BasicTextFieldUI;
import java.awt.*;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.beans.PropertyChangeEvent;
import sun.swing.plaf.synth.SynthUI;
/**
* Basis of a look and feel for a JTextField 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 SynthTextFieldUI
extends BasicTextFieldUI
implements SynthUI, FocusListener
{
private SynthStyle style;
/**
* Creates a UI for a JTextField.
*
* @param c the text field
* @return the UI
*/
public static ComponentUI createUI(JComponent c) {
return new SynthTextFieldUI();
}
public SynthTextFieldUI() {
super();
}
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();
}
static void updateStyle(JTextComponent comp, SynthContext context,
String prefix) {
SynthStyle style = context.getStyle();
Color color = comp.getCaretColor();
if (color == null || color instanceof UIResource) {
comp.setCaretColor(
(Color)style.get(context, prefix + ".caretForeground"));
}
Color fg = comp.getForeground();
if (fg == null || fg instanceof UIResource) {
fg = style.getColorForState(context, ColorType.TEXT_FOREGROUND);
if (fg != null) {
comp.setForeground(fg);
}
}
Object ar = style.get(context, prefix + ".caretAspectRatio");
if (ar instanceof Number) {
comp.putClientProperty("caretAspectRatio", ar);
}
context.setComponentState(SELECTED | FOCUSED);
Color s = comp.getSelectionColor();
if (s == null || s instanceof UIResource) {
comp.setSelectionColor(
style.getColor(context, ColorType.TEXT_BACKGROUND));
}
Color sfg = comp.getSelectedTextColor();
if (sfg == null || sfg instanceof UIResource) {
comp.setSelectedTextColor(
style.getColor(context, ColorType.TEXT_FOREGROUND));
}
context.setComponentState(DISABLED);
Color dfg = comp.getDisabledTextColor();
if (dfg == null || dfg instanceof UIResource) {
comp.setDisabledTextColor(
style.getColor(context, ColorType.TEXT_FOREGROUND));
}
Insets margin = comp.getMargin();
if (margin == null || margin instanceof UIResource) {
margin = (Insets)style.get(context, prefix + ".margin");
if (margin == null) {
// Some places assume margins are non-null.
margin = SynthLookAndFeel.EMPTY_UIRESOURCE_INSETS;
}
comp.setMargin(margin);
}
Caret caret = comp.getCaret();
if (caret instanceof UIResource) {
Object o = style.get(context, prefix + ".caretBlinkRate");
if (o != null && o instanceof Integer) {
Integer rate = (Integer)o;
caret.setBlinkRate(rate.intValue());
}
}
}
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);
paintBackground(context, g, c);
paint(context, g);
context.dispose();
}
/**
* Paints the interface. This is routed to the
* paintSafely method under the guarantee that
* the model won't change from the view of this thread
* while it's rendering (if the associated model is
* derived from AbstractDocument). This enables the
* model to potentially be updated asynchronously.
*/
protected void paint(SynthContext context, Graphics g) {
super.paint(g, getComponent());
}
void paintBackground(SynthContext context, Graphics g, JComponent c) {
context.getPainter().paintTextFieldBackground(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().paintTextFieldBorder(context, g, x, y, w, h);
}
protected void paintBackground(Graphics g) {
// Overriden to do nothing, all our painting is done from update/paint.
}
/**
* 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 do nothing (i.e. the response to
* properties in JTextComponent itself are handled prior
* to calling this method).
*
* @param evt the property change event
*/
protected void propertyChange(PropertyChangeEvent evt) {
if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
updateStyle((JTextComponent)evt.getSource());
}
super.propertyChange(evt);
}
public void focusGained(FocusEvent e) {
getComponent().repaint();
}
public void focusLost(FocusEvent e) {
getComponent().repaint();
}
protected void installDefaults() {
// Installs the text cursor on the component
super.installDefaults();
updateStyle((JTextComponent)getComponent());
getComponent().addFocusListener(this);
}
protected void uninstallDefaults() {
SynthContext context = getContext(getComponent(), ENABLED);
getComponent().putClientProperty("caretAspectRatio", null);
getComponent().removeFocusListener(this);
style.uninstallDefaults(context);
context.dispose();
style = null;
super.uninstallDefaults();
}
public void installUI(JComponent c) {
super.installUI(c);
}
}