001    /******************************************************************************
002     * Copyright (C) MActor Developers. All rights reserved.                        *
003     * ---------------------------------------------------------------------------*
004     * This file is part of MActor.                                               *
005     *                                                                            *
006     * MActor is free software; you can redistribute it and/or modify             *
007     * it under the terms of the GNU General Public License as published by       *
008     * the Free Software Foundation; either version 2 of the License, or          *
009     * (at your option) any later version.                                        *
010     *                                                                            *
011     * MActor is distributed in the hope that it will be useful,                  *
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
014     * GNU General Public License for more details.                               *
015     *                                                                            *
016     * You should have received a copy of the GNU General Public License          *
017     * along with MActor; if not, write to the Free Software                      *
018     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA *
019     ******************************************************************************/
020    package org.mactor.ui.gui.project.editors;
021    
022    import java.awt.Component;
023    
024    import javax.swing.JComboBox;
025    
026    import org.mactor.framework.MactorException;
027    import org.mactor.framework.spec.MessageBrokersConfig;
028    import org.mactor.framework.spec.ProjectContext;
029    import org.mactor.framework.spec.MessageBrokersConfig.MessageBrokerConfig;
030    
031    public class MessageBrokerChannelsComboBox extends JComboBox {
032            public MessageBrokerChannelsComboBox() {
033                    addItem(null);
034                    setAlignmentX(Component.LEFT_ALIGNMENT);
035                    load();
036            }
037            public void load() {
038                    MessageBrokersConfig mbc = null;
039                    try {
040                            mbc = ProjectContext.getGlobalInstance().loadMessageBrokersConfig();
041                    } catch (MactorException me) {
042                    }
043                    removeAllItems();
044                    addItem(null);
045                    if (mbc == null)
046                            return;
047                    for (MessageBrokerConfig mb : mbc.getMessageBrokers()) {
048                            for (MessageBrokerConfig.ChannelConfig c : mb.getChannels().values()) {
049                                    addItem(c.getName());
050                            }
051                    }
052            }
053            public String getSelectedChannel() {
054                    Object item = getSelectedItem();
055                    if (item == null)
056                            return "";
057                    return (String) item;
058            }
059            public void setSelectedChannel(String channel) {
060                    int count = getItemCount();
061                    if (channel == null || channel.trim().length() == 0) {
062                            setSelectedIndex(0);
063                            return;
064                    }
065                    for (int i = 1; i < count; i++) {
066                            String item = (String) getItemAt(i);
067                            if (item.equals(channel)) {
068                                    setSelectedIndex(i);
069                                    return;
070                            }
071                    }
072                    setSelectedIndex(0);
073            }
074    }