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    import java.awt.event.ItemEvent;
024    import java.awt.event.ItemListener;
025    
026    import javax.swing.JComboBox;
027    
028    import org.mactor.ui.gui.project.ProjectNodeType;
029    import org.mactor.ui.gui.project.ProjectTreeNode;
030    import org.mactor.ui.gui.project.ProjectTreeUtil;
031    
032    public class FileNodeComboBox extends JComboBox {
033            private ProjectNodeType type;
034            public FileNodeComboBox(ProjectNodeType type) {
035                    this.type = type;
036                    addItem(null);
037                    setAlignmentX(Component.LEFT_ALIGNMENT);
038                    super.addItemListener(new ItemListener() {
039                            public void itemStateChanged(ItemEvent e) {
040                                    String newSel = (String) getSelectedItem();
041                                    if (!isEqual(selectedName, newSel)) {
042                                            selectedName = newSel;
043                                            if (l != null)
044                                                    l.fileNodeChanged(newSel);
045                                    }
046                            }
047                    });
048            }
049            public void setConfig(ProjectTreeNode anyNode) {
050                    removeAllItems();
051                    addItem(null);
052                    ProjectTreeNode mbcNode = ProjectTreeUtil.navigateToFirstFileNodeOfType(type, anyNode);
053                    if (mbcNode != null) {
054                            mbcNode = mbcNode.getParentNode();
055                            for (ProjectTreeNode node : mbcNode.getChildNodes()) {
056                                    addItem(node.getCaption());
057                            }
058                    }
059            }
060            public String getSelectedName() {
061                    Object item = getSelectedItem();
062                    if (item == null)
063                            return "";
064                    return (String) item;
065            }
066            String selectedName;
067            public void setSelectedName(String name) {
068                    this.selectedName = name;
069                    int count = getItemCount();
070                    if (name == null || name.trim().length() == 0) {
071                            setSelectedIndex(0);
072                            return;
073                    }
074                    for (int i = 1; i < count; i++) {
075                            String item = (String) getItemAt(i);
076                            if (item.equals(name)) {
077                                    setSelectedIndex(i);
078                                    return;
079                            }
080                    }
081                    setSelectedIndex(0);
082            }
083            FileNodeChangedListener l;
084            public void setFileNodeChangedListener(FileNodeChangedListener l) {
085                    this.l = l;
086            }
087            public interface FileNodeChangedListener {
088                    void fileNodeChanged(String newName);
089            }
090            private static boolean isEqual(String s1, String s2) {
091                    if (s1 == s2)
092                            return true;
093                    if (s1 == null)
094                            return false;
095                    return s1.equals(s2);
096            }
097    }