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JavaFX on-screen keyboard Swing support module.

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package org.comtel2000.swing.ui;

import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicTextAreaUI;
import javax.swing.text.JTextComponent;
import java.awt.event.FocusListener;
import java.awt.event.MouseListener;

/*******************************************************************************
 * Copyright (c) 2016 comtel2000
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
 * and the following disclaimer.
 *
 * 2. 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.
 *
 * 3. Neither the name of the comtel2000 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 HOLDER 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.
 *******************************************************************************/

public class KeyboardTextAreaUI extends BasicTextAreaUI {

  private static FocusListener fl;

  private static MouseListener ml;

  KeyboardTextAreaUI() {
    super();
  }

  public static void setFocusListener(FocusListener l) {
    fl = l;
  }

  public static void setMouseListener(MouseListener l) {
    ml = l;
  }

  public static ComponentUI createUI(JComponent c) {
    return new KeyboardTextAreaUI();
  }

  @Override
  public void installUI(JComponent c) {
    if (c instanceof JTextComponent) {
      if (fl != null) {
        c.addFocusListener(fl);
      }
      if (ml != null) {
        c.addMouseListener(ml);
      }
    }
    super.installUI(c);
  }
}