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	iliev	1286	/*
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			}