view/std/JSInstrumentChooser.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2007 Grigor Iliev <grigor@grigoriliev.com>
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */

package org.jsampler.view.std;

import java.awt.Dimension;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.ButtonGroup;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JSpinner;
import javax.swing.JTextField;
import javax.swing.SpinnerNumberModel;

import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;

import net.sf.juife.OkCancelDialog;

import net.sf.juife.event.TaskEvent;
import net.sf.juife.event.TaskListener;

import org.jsampler.CC;
import org.jsampler.Instrument;
import org.jsampler.OrchestraModel;

import org.jsampler.task.InstrumentsDb;

import static org.jsampler.view.std.StdI18n.i18n;

/**
 *
 * @author Grigor Iliev
 */
public class JSInstrumentChooser extends OkCancelDialog {
        private final JRadioButton rbSelectFromOrchestra =
                new JRadioButton(i18n.getLabel("JSInstrumentChooser.rbSelectFromOrchestra"));
        private final JRadioButton rbSelectFromDb =
                new JRadioButton(i18n.getLabel("JSInstrumentChooser.rbSelectFromDb"));
        private final JRadioButton rbSelectFromFile =
                new JRadioButton(i18n.getLabel("JSInstrumentChooser.rbSelectFromFile"));
        
        
        private final JLabel lOrchestra =
                new JLabel(i18n.getLabel("JSInstrumentChooser.lOrchestra"));
        
        private final JLabel lInstrument =
                new JLabel(i18n.getLabel("JSInstrumentChooser.lInstrument"));
        
        private final JComboBox cbOrchestras = new JComboBox();
        private final JComboBox cbInstruments = new JComboBox();
        
        
        private final JTextField tfDbInstrument = new JTextField();
        private final JButton btnBrowseDb;
        
        private final JLabel lFilename = new JLabel(i18n.getLabel("JSInstrumentChooser.lFilename"));
        private final JLabel lIndex = new JLabel(i18n.getLabel("JSInstrumentChooser.lIndex"));
        
        private final JTextField tfFilename = new JTextField();
        private final JSpinner spinnerIndex = new JSpinner(new SpinnerNumberModel(0, 0, 500, 1));
        
        private final JButton btnBrowse;
        
        private String instrumentFile = null;
        private int instrumentIndex = 0;
        private String engine = null;
        
        /**
         * Creates a new instance of JSInstrumentChooser
         */
        public JSInstrumentChooser(Frame owner) {
                super(owner, i18n.getLabel("JSInstrumentChooser.title"));
                
                btnOk.setEnabled(false);
                Icon iconBrowse = CC.getViewConfig().getInstrumentsDbTreeView().getOpenIcon();
                btnBrowseDb = new JButton(iconBrowse);
                btnBrowse = new JButton(iconBrowse);
                
                ButtonGroup group = new ButtonGroup();
                group.add(rbSelectFromOrchestra);
                group.add(rbSelectFromDb);
                group.add(rbSelectFromFile);
                
                rbSelectFromOrchestra.addActionListener(getHandler());
                rbSelectFromDb.addActionListener(getHandler());
                rbSelectFromFile.addActionListener(getHandler());
                rbSelectFromOrchestra.doClick(0);
                
                cbOrchestras.addFocusListener(getHandler());
                cbInstruments.addFocusListener(getHandler());
                
                tfDbInstrument.addFocusListener(getHandler());
                tfDbInstrument.getDocument().addDocumentListener(getHandler());
                
                tfFilename.addFocusListener(getHandler());
                tfFilename.getDocument().addDocumentListener(getHandler());
                
                spinnerIndex.addChangeListener(new ChangeListener() {
                        public void
                        stateChanged(ChangeEvent e) {
                                if(!rbSelectFromFile.isSelected()) rbSelectFromFile.doClick(0);
                        }
                });
                
                JPanel mainPane = new JPanel();
                mainPane.setLayout(new BoxLayout(mainPane, BoxLayout.Y_AXIS));
                
                rbSelectFromOrchestra.setAlignmentX(LEFT_ALIGNMENT);
                mainPane.add(rbSelectFromOrchestra);
                
                JPanel orchestraPane = createOrchestraPane();
                orchestraPane.setBorder(BorderFactory.createEmptyBorder(0, 32, 17, 0));
                mainPane.add(orchestraPane);
                
                rbSelectFromDb.setAlignmentX(LEFT_ALIGNMENT);
                mainPane.add(rbSelectFromDb);
                
                JPanel dbPane = createDbPane();
                dbPane.setBorder(BorderFactory.createEmptyBorder(0, 32, 17, 0));
                mainPane.add(dbPane);
                
                rbSelectFromFile.setAlignmentX(LEFT_ALIGNMENT);
                mainPane.add(rbSelectFromFile);
                
                JPanel filePane = createFilePane();
                filePane.setBorder(BorderFactory.createEmptyBorder(0, 32, 0, 0));
                mainPane.add(filePane);
                
                setMainPane(mainPane);
                
                if(!CC.getSamplerModel().getServerInfo().hasInstrumentsDbSupport()) {
                        rbSelectFromDb.setEnabled(false);
                        tfDbInstrument.setEnabled(false);
                        btnBrowseDb.setEnabled(false);
                } else {
                        btnBrowseDb.requestFocusInWindow();
                }
        }
        
        private JPanel
        createOrchestraPane() {
                GridBagLayout gridbag = new GridBagLayout();
                GridBagConstraints c = new GridBagConstraints();
                
                JPanel p = new JPanel();
                
                p.setLayout(gridbag);
                
                c.fill = GridBagConstraints.NONE;
                
                c.gridx = 0;
                c.gridy = 0;
                c.anchor = GridBagConstraints.EAST;
                c.insets = new Insets(0, 0, 6, 6);
                gridbag.setConstraints(lOrchestra, c);
                p.add(lOrchestra); 
                
                c.gridx = 0;
                c.gridy = 1;
                c.insets = new Insets(0, 0, 0, 6);
                gridbag.setConstraints(lInstrument, c);
                p.add(lInstrument);
                
                c.gridx = 1;
                c.gridy = 0;
                c.weightx = 1.0;
                c.insets = new Insets(0, 0, 6, 0);
                c.fill = GridBagConstraints.HORIZONTAL;
                c.anchor = GridBagConstraints.NORTH;
                gridbag.setConstraints(cbOrchestras, c);
                p.add(cbOrchestras); 
                
                c.gridx = 1;
                c.gridy = 1;
                c.insets = new Insets(0, 0, 0, 0);
                gridbag.setConstraints(cbInstruments, c);
                p.add(cbInstruments);
                
                cbOrchestras.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) { orchestraChanged(); }
                });
                
                cbInstruments.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) { instrumentChanged(); }
                });
                
                for(int i = 0; i < CC.getOrchestras().getOrchestraCount(); i++) {
                        cbOrchestras.addItem(CC.getOrchestras().getOrchestra(i));
                }
                
                p.setAlignmentX(LEFT_ALIGNMENT);
                return p;
        }
        
        private void
        orchestraChanged() {
                OrchestraModel om = (OrchestraModel)cbOrchestras.getSelectedItem();
                String s = om == null ? null : om.getDescription();
                if(s != null && s.length() == 0) s = null;
                cbOrchestras.setToolTipText(s);
                
                cbInstruments.removeAllItems();
                if(om == null || om.getInstrumentCount() == 0) {
                        cbInstruments.setEnabled(false);
                        return;
                }
                
                cbInstruments.setEnabled(true);
                
                for(int i = 0; i < om.getInstrumentCount(); i++) {
                        cbInstruments.addItem(om.getInstrument(i));
                }
        }
        
        private void
        instrumentChanged() {
                Instrument instr = (Instrument)cbInstruments.getSelectedItem();
                String s = instr == null ? null : instr.getDescription();
                if(s != null && s.length() == 0) s = null;
                cbInstruments.setToolTipText(s);
                
                btnOk.setEnabled(instr != null);
        }
        
        
        
        private JPanel
        createDbPane() {
                JPanel p = new JPanel();
                p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
                p.add(tfDbInstrument);
                p.add(Box.createRigidArea(new Dimension(6, 0)));
                btnBrowseDb.setMargin(new Insets(0, 0, 0, 0));
                p.add(btnBrowseDb);
                //p.setMaximumSize(new Dimension(Short.MAX_VALUE, p.getPreferredSize().height));
                
                btnBrowseDb.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                if(!rbSelectFromDb.isSelected()) rbSelectFromDb.doClick(0);
                                JSDbInstrumentChooser dlg;
                                dlg = new JSDbInstrumentChooser(JSInstrumentChooser.this);
                                String s = tfDbInstrument.getText();
                                if(s.length() > 0) dlg.setSelectedInstrument(s);
                                else dlg.setSelectedDirectory("/");
                                dlg.setVisible(true);
                                if(dlg.isCancelled()) return;
                                tfDbInstrument.setText(dlg.getSelectedInstrument());
                                tfDbInstrument.requestFocus();
                        }
                });
                
                p.setAlignmentX(LEFT_ALIGNMENT);
                
                return p;
        }
        
        private JPanel
        createFilePane() {
                GridBagLayout gridbag = new GridBagLayout();
                GridBagConstraints c = new GridBagConstraints();
                
                JPanel filePane = new JPanel();
                
                filePane.setLayout(gridbag);
                
                c.fill = GridBagConstraints.NONE;
                
                c.gridx = 0;
                c.gridy = 0;
                c.anchor = GridBagConstraints.EAST;
                c.insets = new Insets(3, 3, 3, 3);
                gridbag.setConstraints(lFilename, c);
                filePane.add(lFilename); 
                
                c.gridx = 0;
                c.gridy = 1;
                gridbag.setConstraints(lIndex, c);
                filePane.add(lIndex);
                
                btnBrowse.setMargin(new Insets(0, 0, 0, 0));
                btnBrowse.setToolTipText(i18n.getLabel("JSInstrumentChooser.btnBrowse"));
                c.gridx = 2;
                c.gridy = 0;
                gridbag.setConstraints(btnBrowse, c);
                filePane.add(btnBrowse);
                
                c.fill = GridBagConstraints.HORIZONTAL;
                c.gridx = 1;
                c.gridy = 0;
                c.weightx = 1.0;
                c.anchor = GridBagConstraints.WEST;
                gridbag.setConstraints(tfFilename, c);
                filePane.add(tfFilename);
                        
                c.gridx = 1;
                c.gridy = 1;
                gridbag.setConstraints(spinnerIndex, c);
                filePane.add(spinnerIndex);
                
                tfFilename.setPreferredSize (
                        new Dimension(200, tfFilename.getPreferredSize().height)
                );
                
                btnBrowse.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) { onBrowse(); }
                });
                
                filePane.setAlignmentX(LEFT_ALIGNMENT);
                return filePane;
        }
        
        protected void
        onOk() {
                if(!btnOk.isEnabled()) return;
                if(rbSelectFromOrchestra.isSelected()) {
                        Instrument instr = (Instrument)cbInstruments.getSelectedItem();
                        instrumentFile = instr.getPath();
                        instrumentIndex = instr.getInstrumentIndex();
                        engine = instr.getEngine();
                        setVisible(false);
                        return;
                }
                
                if(rbSelectFromFile.isSelected()) {
                        instrumentFile = tfFilename.getText();
                        instrumentIndex = Integer.parseInt(spinnerIndex.getValue().toString());
                        setVisible(false);
                        return;
                }
                
                if(!rbSelectFromDb.isSelected()) return;
                
                String instr = tfDbInstrument.getText();
                final InstrumentsDb.GetInstrument t = new InstrumentsDb.GetInstrument(instr);
                
                t.addTaskListener(new TaskListener() {
                        public void
                        taskPerformed(TaskEvent e) {
                                updateState();
                                if(t.doneWithErrors()) return;
                                
                                instrumentFile = t.getResult().getFilePath();
                                instrumentIndex = t.getResult().getInstrumentIndex();
                                engine = t.getResult().getFormatFamily(); // TODO: fix this
                                setVisible(false);
                        }
                });
                
                btnOk.setEnabled(false);
                CC.getTaskQueue().add(t);
        }
        
        protected void
        onCancel() { setVisible(false); }
        
        private void
        onBrowse() {
                if(!rbSelectFromFile.isSelected()) rbSelectFromFile.doClick(0);
                JFileChooser fc = new JFileChooser();
                int result = fc.showOpenDialog(this);
                if(result == JFileChooser.APPROVE_OPTION) {
                        tfFilename.setText(fc.getSelectedFile().getPath());
                        btnOk.requestFocusInWindow();
                }
        }
        
        /**
         * Gets the name of the selected instrument file.
         * @return The name of the selected instrument file.
         */
        public String
        getInstrumentFile() { return instrumentFile; }
        
        /**
         * Gets the index of the instrument in the instrument file.
         * @return The index of the instrument in the instrument file.
         */
        public int
        getInstrumentIndex() { return instrumentIndex; }
        
        public String
        getEngine() { return engine; }
        
        private void
        updateState() {
                boolean b = false;
                if(rbSelectFromOrchestra.isSelected()) {
                        b = cbInstruments.getSelectedItem() != null;
                } else if(rbSelectFromDb.isSelected()) {
                        b = tfDbInstrument.getText().length() > 0;
                } else if(rbSelectFromFile.isSelected()) {
                        b = tfFilename.getText().length() > 0;
                }
                
                btnOk.setEnabled(b);
        }
        
        private final EventHandler eventHandler = new EventHandler();
        
        private EventHandler
        getHandler() { return eventHandler; }
        
        private class EventHandler extends FocusAdapter
                                implements ActionListener, DocumentListener {
                
                public void
                actionPerformed(ActionEvent e) {
                        updateState();
                }
                
                // DocumentListener
                public void
                insertUpdate(DocumentEvent e) { updateState(); }
                
                public void
                removeUpdate(DocumentEvent e) { updateState(); }
                
                public void
                changedUpdate(DocumentEvent e) { updateState(); }
                
                // FocusListener
                public void
                focusGained(FocusEvent e) {
                        Object src = e.getSource();
                        if(src == cbInstruments || src == cbOrchestras) {
                                if(!rbSelectFromOrchestra.isSelected()) {
                                        rbSelectFromOrchestra.doClick(0);
                                }
                        } else if(src == tfDbInstrument) {
                                if(!rbSelectFromDb.isSelected()) rbSelectFromDb.doClick(0);
                        } else if(src == tfFilename) {
                                if(!rbSelectFromFile.isSelected()) rbSelectFromFile.doClick(0);
                        }
                }
        }
}
1	/*
2	* JSampler - a java front-end for LinuxSampler
3	*
4	* Copyright (C) 2005-2007 Grigor Iliev <grigor@grigoriliev.com>
5	*
6	* This file is part of JSampler.
7	*
8	* JSampler is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License version 2
10	* as published by the Free Software Foundation.
11	*
12	* JSampler is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with JSampler; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20	* MA 02111-1307 USA
21	*/
22
23	package org.jsampler.view.std;
24
25	import java.awt.Dimension;
26	import java.awt.Frame;
27	import java.awt.GridBagConstraints;
28	import java.awt.GridBagLayout;
29	import java.awt.Insets;
30
31	import java.awt.event.ActionEvent;
32	import java.awt.event.ActionListener;
33
34	import java.awt.event.FocusAdapter;
35	import java.awt.event.FocusEvent;
36
37	import javax.swing.BorderFactory;
38	import javax.swing.Box;
39	import javax.swing.BoxLayout;
40	import javax.swing.ButtonGroup;
41	import javax.swing.Icon;
42	import javax.swing.JButton;
43	import javax.swing.JComboBox;
44	import javax.swing.JFileChooser;
45	import javax.swing.JLabel;
46	import javax.swing.JOptionPane;
47	import javax.swing.JPanel;
48	import javax.swing.JRadioButton;
49	import javax.swing.JSpinner;
50	import javax.swing.JTextField;
51	import javax.swing.SpinnerNumberModel;
52
53	import javax.swing.event.ChangeEvent;
54	import javax.swing.event.ChangeListener;
55	import javax.swing.event.DocumentEvent;
56	import javax.swing.event.DocumentListener;
57
58	import net.sf.juife.OkCancelDialog;
59
60	import net.sf.juife.event.TaskEvent;
61	import net.sf.juife.event.TaskListener;
62
63	import org.jsampler.CC;
64	import org.jsampler.Instrument;
65	import org.jsampler.OrchestraModel;
66
67	import org.jsampler.task.InstrumentsDb;
68
69	import static org.jsampler.view.std.StdI18n.i18n;
70
71	/**
72	*
73	* @author Grigor Iliev
74	*/
75	public class JSInstrumentChooser extends OkCancelDialog {
76	private final JRadioButton rbSelectFromOrchestra =
77	new JRadioButton(i18n.getLabel("JSInstrumentChooser.rbSelectFromOrchestra"));
78	private final JRadioButton rbSelectFromDb =
79	new JRadioButton(i18n.getLabel("JSInstrumentChooser.rbSelectFromDb"));
80	private final JRadioButton rbSelectFromFile =
81	new JRadioButton(i18n.getLabel("JSInstrumentChooser.rbSelectFromFile"));
82
83
84	private final JLabel lOrchestra =
85	new JLabel(i18n.getLabel("JSInstrumentChooser.lOrchestra"));
86
87	private final JLabel lInstrument =
88	new JLabel(i18n.getLabel("JSInstrumentChooser.lInstrument"));
89
90	private final JComboBox cbOrchestras = new JComboBox();
91	private final JComboBox cbInstruments = new JComboBox();
92
93
94	private final JTextField tfDbInstrument = new JTextField();
95	private final JButton btnBrowseDb;
96
97	private final JLabel lFilename = new JLabel(i18n.getLabel("JSInstrumentChooser.lFilename"));
98	private final JLabel lIndex = new JLabel(i18n.getLabel("JSInstrumentChooser.lIndex"));
99
100	private final JTextField tfFilename = new JTextField();
101	private final JSpinner spinnerIndex = new JSpinner(new SpinnerNumberModel(0, 0, 500, 1));
102
103	private final JButton btnBrowse;
104
105	private String instrumentFile = null;
106	private int instrumentIndex = 0;
107	private String engine = null;
108
109	/**
110	* Creates a new instance of JSInstrumentChooser
111	*/
112	public JSInstrumentChooser(Frame owner) {
113	super(owner, i18n.getLabel("JSInstrumentChooser.title"));
114
115	btnOk.setEnabled(false);
116	Icon iconBrowse = CC.getViewConfig().getInstrumentsDbTreeView().getOpenIcon();
117	btnBrowseDb = new JButton(iconBrowse);
118	btnBrowse = new JButton(iconBrowse);
119
120	ButtonGroup group = new ButtonGroup();
121	group.add(rbSelectFromOrchestra);
122	group.add(rbSelectFromDb);
123	group.add(rbSelectFromFile);
124
125	rbSelectFromOrchestra.addActionListener(getHandler());
126	rbSelectFromDb.addActionListener(getHandler());
127	rbSelectFromFile.addActionListener(getHandler());
128	rbSelectFromOrchestra.doClick(0);
129
130	cbOrchestras.addFocusListener(getHandler());
131	cbInstruments.addFocusListener(getHandler());
132
133	tfDbInstrument.addFocusListener(getHandler());
134	tfDbInstrument.getDocument().addDocumentListener(getHandler());
135
136	tfFilename.addFocusListener(getHandler());
137	tfFilename.getDocument().addDocumentListener(getHandler());
138
139	spinnerIndex.addChangeListener(new ChangeListener() {
140	public void
141	stateChanged(ChangeEvent e) {
142	if(!rbSelectFromFile.isSelected()) rbSelectFromFile.doClick(0);
143	}
144	});
145
146	JPanel mainPane = new JPanel();
147	mainPane.setLayout(new BoxLayout(mainPane, BoxLayout.Y_AXIS));
148
149	rbSelectFromOrchestra.setAlignmentX(LEFT_ALIGNMENT);
150	mainPane.add(rbSelectFromOrchestra);
151
152	JPanel orchestraPane = createOrchestraPane();
153	orchestraPane.setBorder(BorderFactory.createEmptyBorder(0, 32, 17, 0));
154	mainPane.add(orchestraPane);
155
156	rbSelectFromDb.setAlignmentX(LEFT_ALIGNMENT);
157	mainPane.add(rbSelectFromDb);
158
159	JPanel dbPane = createDbPane();
160	dbPane.setBorder(BorderFactory.createEmptyBorder(0, 32, 17, 0));
161	mainPane.add(dbPane);
162
163	rbSelectFromFile.setAlignmentX(LEFT_ALIGNMENT);
164	mainPane.add(rbSelectFromFile);
165
166	JPanel filePane = createFilePane();
167	filePane.setBorder(BorderFactory.createEmptyBorder(0, 32, 0, 0));
168	mainPane.add(filePane);
169
170	setMainPane(mainPane);
171
172	if(!CC.getSamplerModel().getServerInfo().hasInstrumentsDbSupport()) {
173	rbSelectFromDb.setEnabled(false);
174	tfDbInstrument.setEnabled(false);
175	btnBrowseDb.setEnabled(false);
176	} else {
177	btnBrowseDb.requestFocusInWindow();
178	}
179	}
180
181	private JPanel
182	createOrchestraPane() {
183	GridBagLayout gridbag = new GridBagLayout();
184	GridBagConstraints c = new GridBagConstraints();
185
186	JPanel p = new JPanel();
187
188	p.setLayout(gridbag);
189
190	c.fill = GridBagConstraints.NONE;
191
192	c.gridx = 0;
193	c.gridy = 0;
194	c.anchor = GridBagConstraints.EAST;
195	c.insets = new Insets(0, 0, 6, 6);
196	gridbag.setConstraints(lOrchestra, c);
197	p.add(lOrchestra);
198
199	c.gridx = 0;
200	c.gridy = 1;
201	c.insets = new Insets(0, 0, 0, 6);
202	gridbag.setConstraints(lInstrument, c);
203	p.add(lInstrument);
204
205	c.gridx = 1;
206	c.gridy = 0;
207	c.weightx = 1.0;
208	c.insets = new Insets(0, 0, 6, 0);
209	c.fill = GridBagConstraints.HORIZONTAL;
210	c.anchor = GridBagConstraints.NORTH;
211	gridbag.setConstraints(cbOrchestras, c);
212	p.add(cbOrchestras);
213
214	c.gridx = 1;
215	c.gridy = 1;
216	c.insets = new Insets(0, 0, 0, 0);
217	gridbag.setConstraints(cbInstruments, c);
218	p.add(cbInstruments);
219
220	cbOrchestras.addActionListener(new ActionListener() {
221	public void
222	actionPerformed(ActionEvent e) { orchestraChanged(); }
223	});
224
225	cbInstruments.addActionListener(new ActionListener() {
226	public void
227	actionPerformed(ActionEvent e) { instrumentChanged(); }
228	});
229
230	for(int i = 0; i < CC.getOrchestras().getOrchestraCount(); i++) {
231	cbOrchestras.addItem(CC.getOrchestras().getOrchestra(i));
232	}
233
234	p.setAlignmentX(LEFT_ALIGNMENT);
235	return p;
236	}
237
238	private void
239	orchestraChanged() {
240	OrchestraModel om = (OrchestraModel)cbOrchestras.getSelectedItem();
241	String s = om == null ? null : om.getDescription();
242	if(s != null && s.length() == 0) s = null;
243	cbOrchestras.setToolTipText(s);
244
245	cbInstruments.removeAllItems();
246	if(om == null \|\| om.getInstrumentCount() == 0) {
247	cbInstruments.setEnabled(false);
248	return;
249	}
250
251	cbInstruments.setEnabled(true);
252
253	for(int i = 0; i < om.getInstrumentCount(); i++) {
254	cbInstruments.addItem(om.getInstrument(i));
255	}
256	}
257
258	private void
259	instrumentChanged() {
260	Instrument instr = (Instrument)cbInstruments.getSelectedItem();
261	String s = instr == null ? null : instr.getDescription();
262	if(s != null && s.length() == 0) s = null;
263	cbInstruments.setToolTipText(s);
264
265	btnOk.setEnabled(instr != null);
266	}
267
268
269
270	private JPanel
271	createDbPane() {
272	JPanel p = new JPanel();
273	p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
274	p.add(tfDbInstrument);
275	p.add(Box.createRigidArea(new Dimension(6, 0)));
276	btnBrowseDb.setMargin(new Insets(0, 0, 0, 0));
277	p.add(btnBrowseDb);
278	//p.setMaximumSize(new Dimension(Short.MAX_VALUE, p.getPreferredSize().height));
279
280	btnBrowseDb.addActionListener(new ActionListener() {
281	public void
282	actionPerformed(ActionEvent e) {
283	if(!rbSelectFromDb.isSelected()) rbSelectFromDb.doClick(0);
284	JSDbInstrumentChooser dlg;
285	dlg = new JSDbInstrumentChooser(JSInstrumentChooser.this);
286	String s = tfDbInstrument.getText();
287	if(s.length() > 0) dlg.setSelectedInstrument(s);
288	else dlg.setSelectedDirectory("/");
289	dlg.setVisible(true);
290	if(dlg.isCancelled()) return;
291	tfDbInstrument.setText(dlg.getSelectedInstrument());
292	tfDbInstrument.requestFocus();
293	}
294	});
295
296	p.setAlignmentX(LEFT_ALIGNMENT);
297
298	return p;
299	}
300
301	private JPanel
302	createFilePane() {
303	GridBagLayout gridbag = new GridBagLayout();
304	GridBagConstraints c = new GridBagConstraints();
305
306	JPanel filePane = new JPanel();
307
308	filePane.setLayout(gridbag);
309
310	c.fill = GridBagConstraints.NONE;
311
312	c.gridx = 0;
313	c.gridy = 0;
314	c.anchor = GridBagConstraints.EAST;
315	c.insets = new Insets(3, 3, 3, 3);
316	gridbag.setConstraints(lFilename, c);
317	filePane.add(lFilename);
318
319	c.gridx = 0;
320	c.gridy = 1;
321	gridbag.setConstraints(lIndex, c);
322	filePane.add(lIndex);
323
324	btnBrowse.setMargin(new Insets(0, 0, 0, 0));
325	btnBrowse.setToolTipText(i18n.getLabel("JSInstrumentChooser.btnBrowse"));
326	c.gridx = 2;
327	c.gridy = 0;
328	gridbag.setConstraints(btnBrowse, c);
329	filePane.add(btnBrowse);
330
331	c.fill = GridBagConstraints.HORIZONTAL;
332	c.gridx = 1;
333	c.gridy = 0;
334	c.weightx = 1.0;
335	c.anchor = GridBagConstraints.WEST;
336	gridbag.setConstraints(tfFilename, c);
337	filePane.add(tfFilename);
338
339	c.gridx = 1;
340	c.gridy = 1;
341	gridbag.setConstraints(spinnerIndex, c);
342	filePane.add(spinnerIndex);
343
344	tfFilename.setPreferredSize (
345	new Dimension(200, tfFilename.getPreferredSize().height)
346	);
347
348	btnBrowse.addActionListener(new ActionListener() {
349	public void
350	actionPerformed(ActionEvent e) { onBrowse(); }
351	});
352
353	filePane.setAlignmentX(LEFT_ALIGNMENT);
354	return filePane;
355	}
356
357	protected void
358	onOk() {
359	if(!btnOk.isEnabled()) return;
360	if(rbSelectFromOrchestra.isSelected()) {
361	Instrument instr = (Instrument)cbInstruments.getSelectedItem();
362	instrumentFile = instr.getPath();
363	instrumentIndex = instr.getInstrumentIndex();
364	engine = instr.getEngine();
365	setVisible(false);
366	return;
367	}
368
369	if(rbSelectFromFile.isSelected()) {
370	instrumentFile = tfFilename.getText();
371	instrumentIndex = Integer.parseInt(spinnerIndex.getValue().toString());
372	setVisible(false);
373	return;
374	}
375
376	if(!rbSelectFromDb.isSelected()) return;
377
378	String instr = tfDbInstrument.getText();
379	final InstrumentsDb.GetInstrument t = new InstrumentsDb.GetInstrument(instr);
380
381	t.addTaskListener(new TaskListener() {
382	public void
383	taskPerformed(TaskEvent e) {
384	updateState();
385	if(t.doneWithErrors()) return;
386
387	instrumentFile = t.getResult().getFilePath();
388	instrumentIndex = t.getResult().getInstrumentIndex();
389	engine = t.getResult().getFormatFamily(); // TODO: fix this
390	setVisible(false);
391	}
392	});
393
394	btnOk.setEnabled(false);
395	CC.getTaskQueue().add(t);
396	}
397
398	protected void
399	onCancel() { setVisible(false); }
400
401	private void
402	onBrowse() {
403	if(!rbSelectFromFile.isSelected()) rbSelectFromFile.doClick(0);
404	JFileChooser fc = new JFileChooser();
405	int result = fc.showOpenDialog(this);
406	if(result == JFileChooser.APPROVE_OPTION) {
407	tfFilename.setText(fc.getSelectedFile().getPath());
408	btnOk.requestFocusInWindow();
409	}
410	}
411
412	/**
413	* Gets the name of the selected instrument file.
414	* @return The name of the selected instrument file.
415	*/
416	public String
417	getInstrumentFile() { return instrumentFile; }
418
419	/**
420	* Gets the index of the instrument in the instrument file.
421	* @return The index of the instrument in the instrument file.
422	*/
423	public int
424	getInstrumentIndex() { return instrumentIndex; }
425
426	public String
427	getEngine() { return engine; }
428
429	private void
430	updateState() {
431	boolean b = false;
432	if(rbSelectFromOrchestra.isSelected()) {
433	b = cbInstruments.getSelectedItem() != null;
434	} else if(rbSelectFromDb.isSelected()) {
435	b = tfDbInstrument.getText().length() > 0;
436	} else if(rbSelectFromFile.isSelected()) {
437	b = tfFilename.getText().length() > 0;
438	}
439
440	btnOk.setEnabled(b);
441	}
442
443	private final EventHandler eventHandler = new EventHandler();
444
445	private EventHandler
446	getHandler() { return eventHandler; }
447
448	private class EventHandler extends FocusAdapter
449	implements ActionListener, DocumentListener {
450
451	public void
452	actionPerformed(ActionEvent e) {
453	updateState();
454	}
455
456	// DocumentListener
457	public void
458	insertUpdate(DocumentEvent e) { updateState(); }
459
460	public void
461	removeUpdate(DocumentEvent e) { updateState(); }
462
463	public void
464	changedUpdate(DocumentEvent e) { updateState(); }
465
466	// FocusListener
467	public void
468	focusGained(FocusEvent e) {
469	Object src = e.getSource();
470	if(src == cbInstruments \|\| src == cbOrchestras) {
471	if(!rbSelectFromOrchestra.isSelected()) {
472	rbSelectFromOrchestra.doClick(0);
473	}
474	} else if(src == tfDbInstrument) {
475	if(!rbSelectFromDb.isSelected()) rbSelectFromDb.doClick(0);
476	} else if(src == tfFilename) {
477	if(!rbSelectFromFile.isSelected()) rbSelectFromFile.doClick(0);
478	}
479	}
480	}
481	}