mirror of git://gcc.gnu.org/git/gcc.git
119 lines
3.8 KiB
Java
119 lines
3.8 KiB
Java
/* BasicTextFieldUI.java
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Copyright (C) 2004, 2006, Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing.plaf.basic;
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import java.awt.Color;
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import java.beans.PropertyChangeEvent;
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import javax.swing.JComponent;
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import javax.swing.UIDefaults;
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import javax.swing.plaf.ColorUIResource;
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import javax.swing.plaf.ComponentUI;
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import javax.swing.text.Element;
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import javax.swing.text.FieldView;
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import javax.swing.text.View;
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public class BasicTextFieldUI extends BasicTextUI
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{
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public BasicTextFieldUI()
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{
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super();
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}
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public View create(Element elem)
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{
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return new FieldView(elem);
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}
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public static ComponentUI createUI(JComponent c)
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{
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return new BasicTextFieldUI();
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}
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/**
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* Returns the prefix for entries in the {@link UIDefaults} table.
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*
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* @return "TextField"
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*/
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protected String getPropertyPrefix()
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{
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return "TextField";
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}
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public void installUI(JComponent c)
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{
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super.installUI(c);
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}
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/**
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* Receives notification whenever one of the text component's bound
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* properties changes. Here we check for the editable and enabled
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* properties and adjust the background color accordingly.
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*
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* <p>The colors are only changed if they are not a
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* <code>ColorUIResource</code>.</p>
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*
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* @param event the property change event
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*/
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protected void propertyChange(PropertyChangeEvent event)
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{
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if (event.getPropertyName().equals("editable"))
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{
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// Changing the color only if the current background is an instance of
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// ColorUIResource is the behavior of the RI.
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if (textComponent.getBackground() instanceof ColorUIResource)
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{
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Color c = null;
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Color old = textComponent.getBackground();
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String prefix = getPropertyPrefix();
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if (! textComponent.isEnabled())
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c = SharedUIDefaults.getColor(prefix + ".disabledBackground");
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if (c == null && ! textComponent.isEditable())
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c = SharedUIDefaults.getColor(prefix + ".inactiveBackground");
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if (c == null)
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c = SharedUIDefaults.getColor(prefix + ".background");
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if (c != null && c != old)
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{
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textComponent.setBackground(c);
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}
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}
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}
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}
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}
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