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117 lines
3.8 KiB
Java
117 lines
3.8 KiB
Java
/* BasicTextAreaUI.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.beans.PropertyChangeEvent;
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import javax.swing.JComponent;
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import javax.swing.JTextArea;
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import javax.swing.UIDefaults;
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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.PlainView;
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import javax.swing.text.View;
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import javax.swing.text.WrappedPlainView;
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public class BasicTextAreaUI extends BasicTextUI
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{
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public static ComponentUI createUI(JComponent comp)
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{
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return new BasicTextAreaUI();
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}
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public BasicTextAreaUI()
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{
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// Nothing to do here.
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}
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/**
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* Create the view. Returns a WrappedPlainView if the text area
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* has lineWrap set to true, otherwise returns a PlainView. If
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* lineWrap is true has to check whether the wrap style is word
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* or character and return an appropriate WrappedPlainView.
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*
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* @param elem the element to create a View for
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* @return an appropriate View for the element
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*/
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public View create(Element elem)
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{
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JTextArea comp = (JTextArea) getComponent();
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if (comp.getLineWrap())
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{
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if (comp.getWrapStyleWord())
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return new WrappedPlainView(elem, true);
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else
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return new WrappedPlainView(elem, false);
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}
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else
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return new PlainView(elem);
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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 "TextArea"
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*/
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protected String getPropertyPrefix()
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{
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return "TextArea";
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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. This changes the view to WrappedPlainView
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* if setLineWrap(true) is called, and back to PlainView if
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* setLineWrap(false) is called.
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*
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* @param ev the property change event
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*/
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protected void propertyChange(PropertyChangeEvent ev)
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{
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JTextArea comp = (JTextArea) getComponent();
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if (ev.getPropertyName() == "lineWrap"
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|| ev.getPropertyName() == "wrapStyleWord")
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{
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// Changes the View (without modifying the document or it's listeners).
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setView(create(textComponent.getDocument().getDefaultRootElement()));
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}
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}
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}
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