jsampler/view/InstrumentTableModel.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005, 2006 Grigor Kirilov Iliev
 *
 *   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;

import javax.swing.table.AbstractTableModel;

import org.jsampler.DefaultOrchestraModel;
import org.jsampler.OrchestraModel;

import org.jsampler.event.OrchestraEvent;
import org.jsampler.event.OrchestraListener;


/**
 * A tabular data model for representing instruments.
 * @author Grigor Iliev
 */
public class InstrumentTableModel extends AbstractTableModel {
        private OrchestraModel orchestraModel;
        
        /**
         * Creates a new instance of <code>InstrumentTableModel</code>.
         */
        public
        InstrumentTableModel() { this(new DefaultOrchestraModel()); }
        
        /**
         * Creates a new instance of <code>InstrumentTableModel</code>.
         * @param orchestraModel The <code>OrchestraModel</code>,
         * which this table model should represent.
         * @throws IllegalArgumentException If <code>orchestraModel</code> is <code>null</code>.
         */
        public
        InstrumentTableModel(OrchestraModel orchestraModel) {
                setOrchestraModel(orchestraModel);
        }
        
        /**
         * Gets the number of columns in the model.
         * @return The number of columns in the model.
         */
        public int
        getColumnCount() { return 1; }
        
        /**
         * Gets the number of rows in the model.
         * @return The number of rows in the model.
         */
        public int
        getRowCount() { return orchestraModel.getInstrumentCount(); }
        
        /**
         * Gets the name of the column at <code>columnIndex</code>.
         * @return The name of the column at <code>columnIndex</code>.
         */
        public String
        getColumnName(int col) {
                String s = orchestraModel.getName();
                if(s == null || s.length() == 0) return " ";
                return s;
        }
        
        /**
         * Gets the value for the cell at <code>columnIndex</code> and
         * <code>rowIndex</code>.
         * @param row The row whose value is to be queried.
         * @param col The column whose value is to be queried.
         * @return The value for the cell at <code>columnIndex</code> and
         * <code>rowIndex</code>.
         */
        public Object
        getValueAt(int row, int col) {
                return orchestraModel.getInstrument(row);
        }
        
        /**
         * Sets the value in the cell at <code>col</code>
         * and <code>row</code> to <code>value</code>.
         */
        public void
        setValueAt(Object value, int row, int col) {
                orchestraModel.getInstrument(row).setName(value.toString());
                fireTableCellUpdated(row,  col);
        }
        
        /**
         * Returns <code>true</code> if the cell at
         * <code>row</code> and <code>col</code> is editable.
         */
        public boolean
        isCellEditable(int row, int col) { return false; }
        
        /**
         * Gets the <code>OrchestraModel</code>, represented by this table model.
         */
        public OrchestraModel
        getOrchestraModel() { return orchestraModel; }
        
        /**
         * Sets the <code>OrchestraModel</code>, represented by this table model.
         * @param orchestraModel The new <code>OrchestraModel</code>,
         * represented by this table model.
         * @throws IllegalArgumentException If <code>orchestraModel</code> is <code>null</code>.
         */
        public void
        setOrchestraModel(OrchestraModel orchestraModel) {
                if(orchestraModel == null)
                        throw new IllegalArgumentException("orchestraModel should be non-null!");
                
                if(getOrchestraModel() != null)
                        getOrchestraModel().removeOrchestraListener(getHandler());
                
                this.orchestraModel = orchestraModel;
                orchestraModel.addOrchestraListener(getHandler());
                
                fireTableStructureChanged();
                fireTableDataChanged();
        }
        
        private final Handler eventHandler = new Handler();
        
        private Handler
        getHandler() { return eventHandler; }
        
        private class Handler implements OrchestraListener {
                /** Invoked when the name of orchestra is changed. */
                public void
                nameChanged(OrchestraEvent e) { fireTableDataChanged(); }
        
                /** Invoked when the description of orchestra is changed. */
                public void
                descriptionChanged(OrchestraEvent e) { fireTableDataChanged(); }
        
                /** Invoked when an instrument is added to the orchestra. */
                public void
                instrumentAdded(OrchestraEvent e) { fireTableDataChanged(); }
        
                /** Invoked when an instrument is removed from the orchestra. */
                public void
                instrumentRemoved(OrchestraEvent e) { fireTableDataChanged(); }
                
                /** Invoked when the settings of an instrument are changed. */
                public void
                instrumentChanged(OrchestraEvent e) { fireTableDataChanged(); }
        }
}
1	iliev	913	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4			* Copyright (C) 2005, 2006 Grigor Kirilov Iliev
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;
24
25			import javax.swing.table.AbstractTableModel;
26
27			import org.jsampler.DefaultOrchestraModel;
28			import org.jsampler.OrchestraModel;
29
30			import org.jsampler.event.OrchestraEvent;
31			import org.jsampler.event.OrchestraListener;
32
33
34			/**
35			* A tabular data model for representing instruments.
36			* @author Grigor Iliev
37			*/
38			public class InstrumentTableModel extends AbstractTableModel {
39			private OrchestraModel orchestraModel;
40
41			/**
42			* Creates a new instance of <code>InstrumentTableModel</code>.
43			*/
44			public
45			InstrumentTableModel() { this(new DefaultOrchestraModel()); }
46
47			/**
48			* Creates a new instance of <code>InstrumentTableModel</code>.
49			* @param orchestraModel The <code>OrchestraModel</code>,
50			* which this table model should represent.
51			* @throws IllegalArgumentException If <code>orchestraModel</code> is <code>null</code>.
52			*/
53			public
54			InstrumentTableModel(OrchestraModel orchestraModel) {
55			setOrchestraModel(orchestraModel);
56			}
57
58			/**
59			* Gets the number of columns in the model.
60			* @return The number of columns in the model.
61			*/
62			public int
63			getColumnCount() { return 1; }
64
65			/**
66			* Gets the number of rows in the model.
67			* @return The number of rows in the model.
68			*/
69			public int
70			getRowCount() { return orchestraModel.getInstrumentCount(); }
71
72			/**
73			* Gets the name of the column at <code>columnIndex</code>.
74			* @return The name of the column at <code>columnIndex</code>.
75			*/
76			public String
77			getColumnName(int col) {
78			String s = orchestraModel.getName();
79			if(s == null \|\| s.length() == 0) return " ";
80			return s;
81			}
82
83			/**
84			* Gets the value for the cell at <code>columnIndex</code> and
85			* <code>rowIndex</code>.
86			* @param row The row whose value is to be queried.
87			* @param col The column whose value is to be queried.
88			* @return The value for the cell at <code>columnIndex</code> and
89			* <code>rowIndex</code>.
90			*/
91			public Object
92			getValueAt(int row, int col) {
93			return orchestraModel.getInstrument(row);
94			}
95
96			/**
97			* Sets the value in the cell at <code>col</code>
98			* and <code>row</code> to <code>value</code>.
99			*/
100			public void
101			setValueAt(Object value, int row, int col) {
102			orchestraModel.getInstrument(row).setName(value.toString());
103			fireTableCellUpdated(row, col);
104			}
105
106			/**
107			* Returns <code>true</code> if the cell at
108			* <code>row</code> and <code>col</code> is editable.
109			*/
110			public boolean
111			isCellEditable(int row, int col) { return false; }
112
113			/**
114			* Gets the <code>OrchestraModel</code>, represented by this table model.
115			*/
116			public OrchestraModel
117			getOrchestraModel() { return orchestraModel; }
118
119			/**
120			* Sets the <code>OrchestraModel</code>, represented by this table model.
121			* @param orchestraModel The new <code>OrchestraModel</code>,
122			* represented by this table model.
123			* @throws IllegalArgumentException If <code>orchestraModel</code> is <code>null</code>.
124			*/
125			public void
126			setOrchestraModel(OrchestraModel orchestraModel) {
127			if(orchestraModel == null)
128			throw new IllegalArgumentException("orchestraModel should be non-null!");
129
130			if(getOrchestraModel() != null)
131			getOrchestraModel().removeOrchestraListener(getHandler());
132
133			this.orchestraModel = orchestraModel;
134			orchestraModel.addOrchestraListener(getHandler());
135
136			fireTableStructureChanged();
137			fireTableDataChanged();
138			}
139
140			private final Handler eventHandler = new Handler();
141
142			private Handler
143			getHandler() { return eventHandler; }
144
145			private class Handler implements OrchestraListener {
146			/** Invoked when the name of orchestra is changed. */
147			public void
148			nameChanged(OrchestraEvent e) { fireTableDataChanged(); }
149
150			/** Invoked when the description of orchestra is changed. */
151			public void
152			descriptionChanged(OrchestraEvent e) { fireTableDataChanged(); }
153
154			/** Invoked when an instrument is added to the orchestra. */
155			public void
156			instrumentAdded(OrchestraEvent e) { fireTableDataChanged(); }
157
158			/** Invoked when an instrument is removed from the orchestra. */
159			public void
160			instrumentRemoved(OrchestraEvent e) { fireTableDataChanged(); }
161
162			/** Invoked when the settings of an instrument are changed. */
163			public void
164			instrumentChanged(OrchestraEvent e) { fireTableDataChanged(); }
165			}
166			}