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substance look feel » org » jvnet » substance » SubstanceTextPaneUI.java
/*
 * Copyright (c) 2005-2008 Substance Kirill Grouchnikov. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  o Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  o Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  o Neither the name of Substance Kirill Grouchnikov nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.jvnet.substance;

import java.awt.Graphics;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.BasicBorders;
import javax.swing.plaf.basic.BasicTextPaneUI;
import javax.swing.text.Highlighter;

import org.jvnet.lafwidget.animation.FadeStateListener;
import org.jvnet.substance.text.SubstanceHighlighter;
import org.jvnet.substance.utils.SubstanceCoreUtilities;
import org.jvnet.substance.utils.SubstanceSizeUtils;

/**
 * UI for text panes in <b>Substance</b> look and feel.
 * 
 * @author Kirill Grouchnikov
 */
public class SubstanceTextPaneUI extends BasicTextPaneUI {
  /**
   * Listener for fade animations.
   */
  protected FadeStateListener substanceFadeStateListener;

  /**
   * The associated text pane.
   */
  protected JTextPane textPane;

  /**
   * Property change listener.
   */
  protected PropertyChangeListener substancePropertyChangeListener;

  /*
   * (non-Javadoc)
   * 
   * @see javax.swing.plaf.ComponentUI#createUI(javax.swing.JComponent)
   */
  public static ComponentUI createUI(JComponent c) {
    return new SubstanceTextPaneUI(c);
  }

  /**
   * Simple constructor.
   * 
   * @param c
   *            Component (text pane).
   */
  public SubstanceTextPaneUI(JComponent c) {
    super();
    this.textPane = (JTextPane) c;
  }

  @Override
  protected void installListeners() {
    super.installListeners();

    this.substanceFadeStateListener = new FadeStateListener(this.textPane,
        null, null);
    this.substanceFadeStateListener.registerListeners(false);

    this.substancePropertyChangeListener = new PropertyChangeListener() {
      public void propertyChange(PropertyChangeEvent evt) {
        if ("font".equals(evt.getPropertyName())) {
          SwingUtilities.invokeLater(new Runnable() {
            public void run() {
              textPane.updateUI();
            }
          });
        }
      }
    };
    this.textPane
        .addPropertyChangeListener(this.substancePropertyChangeListener);
  }

  /*
   * (non-Javadoc)
   * 
   * @see javax.swing.plaf.basic.BasicTextUI#uninstallListeners()
   */
  @Override
  protected void uninstallListeners() {
    this.substanceFadeStateListener.unregisterListeners();
    this.substanceFadeStateListener = null;

    this.textPane
        .removePropertyChangeListener(this.substancePropertyChangeListener);
    this.substancePropertyChangeListener = null;

    super.uninstallListeners();
  }

  /*
   * (non-Javadoc)
   * 
   * @see javax.swing.plaf.basic.BasicTextUI#installDefaults()
   */
  @Override
  protected void installDefaults() {
    super.installDefaults();
    Border b = this.textPane.getBorder();
    if (b == null || b instanceof UIResource) {
      Border newB = new BorderUIResource.CompoundBorderUIResource(
          new SubstanceBorder(SubstanceSizeUtils
              .getTextBorderInsets(SubstanceSizeUtils
                  .getComponentFontSize(this.textPane))),
          new BasicBorders.MarginBorder());
      this.textPane.setBorder(newB);
    }
  }

  /*
   * (non-Javadoc)
   * 
   * @see javax.swing.plaf.basic.BasicTextUI#paintBackground(java.awt.Graphics)
   */
  @Override
  protected void paintBackground(Graphics g) {
    SubstanceCoreUtilities.paintTextCompBackground(g, this.textPane);
  }

  /*
   * (non-Javadoc)
   * 
   * @see javax.swing.plaf.basic.BasicTextUI#createHighlighter()
   */
  @Override
  protected Highlighter createHighlighter() {
    return new SubstanceHighlighter();
  }
}
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