001/*
002 * CDDL HEADER START
003 *
004 * The contents of this file are subject to the terms of the
005 * Common Development and Distribution License, Version 1.0 only
006 * (the "License").  You may not use this file except in compliance
007 * with the License.
008 *
009 * You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
010 * or http://forgerock.org/license/CDDLv1.0.html.
011 * See the License for the specific language governing permissions
012 * and limitations under the License.
013 *
014 * When distributing Covered Code, include this CDDL HEADER in each
015 * file and include the License file at legal-notices/CDDLv1_0.txt.
016 * If applicable, add the following below this CDDL HEADER, with the
017 * fields enclosed by brackets "[]" replaced with your own identifying
018 * information:
019 *      Portions Copyright [yyyy] [name of copyright owner]
020 *
021 * CDDL HEADER END
022 *
023 *
024 *      Copyright 2008 Sun Microsystems, Inc.
025 *      Portions Copyright 2015 ForgeRock AS
026 */
027
028package org.opends.quicksetup.ui;
029
030import java.awt.Component;
031import java.awt.event.ActionEvent;
032import java.awt.event.ActionListener;
033import java.util.HashSet;
034
035import javax.swing.JButton;
036import javax.swing.text.Element;
037import javax.swing.text.View;
038import javax.swing.text.ViewFactory;
039import javax.swing.text.html.FormView;
040import javax.swing.text.html.HTMLEditorKit;
041
042/**
043 * Class used to be able to detect events in the button inside an HTML pane.
044 */
045public class CustomHTMLEditorKit extends HTMLEditorKit
046{
047  private HashSet<ActionListener> listeners = new HashSet<>();
048  private static final long serialVersionUID = 298103926252426388L;
049
050  /**
051   * Default constructor.
052   */
053  public CustomHTMLEditorKit()
054  {
055    super();
056  }
057
058  /** {@inheritDoc} */
059  public ViewFactory getViewFactory()
060  {
061    return new MyHTMLFactory();
062  }
063
064  /**
065   * Adds an action listener.
066   * @param l the action listener to add.
067   */
068  public void addActionListener(ActionListener l)
069  {
070    listeners.add(l);
071  }
072
073  /**
074   * Removes an action listener.
075   * @param l the action listener to remove.
076   */
077  public void removeActionListener(ActionListener l)
078  {
079    listeners.remove(l);
080  }
081
082  /**
083   * Class used to be able to detect events in the button inside an HTML pane.
084   */
085  class MyHTMLFactory extends HTMLFactory
086  {
087    /** {@inheritDoc} */
088    public View create(Element elem)
089    {
090      View v = super.create(elem);
091      if (v instanceof FormView)
092      {
093        v = new MyFormView(elem);
094      }
095      return v;
096    }
097  }
098
099  /**
100   * Class used to be able to detect events in the button inside an HTML pane.
101   */
102  class MyFormView extends FormView
103  {
104    /**
105     * Creates a new FormView object.
106     *
107     * @param elem the element to decorate
108     */
109    MyFormView(Element elem)
110    {
111      super(elem);
112    }
113
114    /** {@inheritDoc} */
115    public void actionPerformed(ActionEvent ev)
116    {
117      if (ev != null && ev.getWhen() != lastActionWhen) {
118        lastActionWhen = ev.getWhen();
119        for (ActionListener l: listeners)
120        {
121          l.actionPerformed(ev);
122        }
123      }
124    }
125
126    /** {@inheritDoc} */
127    protected Component createComponent()
128    {
129      Component comp = super.createComponent();
130      if (comp instanceof JButton)
131      {
132        ((JButton)comp).setOpaque(false);
133      }
134      return comp;
135    }
136  }
137
138  private static long lastActionWhen;
139
140}