jsampler/view/InstrumentTableModel.java

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

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) { fireTableStructureChanged(); }
        
                /** 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	/*
2	* JSampler - a java front-end for LinuxSampler
3	*
4	* Copyright (C) 2005-2006 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;
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) { fireTableStructureChanged(); }
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	}