org/jsampler/DefaultMidiDeviceModel.java

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

import java.util.Vector;

import javax.swing.SwingUtilities;

import org.jsampler.event.MidiDeviceEvent;
import org.jsampler.event.MidiDeviceListener;

import org.linuxsampler.lscp.BoolParameter;
import org.linuxsampler.lscp.MidiInputDevice;
import org.linuxsampler.lscp.Parameter;


/**
 *
 * @author Grigor Iliev
 */
public class DefaultMidiDeviceModel implements MidiDeviceModel {
        private MidiInputDevice midiDevice;
        
        private final Vector<MidiDeviceListener> listeners = new Vector<MidiDeviceListener>();
        
        /**
         * Creates a new instance of <code>DefaultMidiDeviceModel</code> using the
         * specified non-null MIDI device.
         * @param midiDevice A <code>MidiInputDevice</code> instance providing the current
         * settings of the MIDI device which will be represented by this model.
         * @throws IllegalArgumentException If <code>midiDevice</code> is <code>null</code>.
         */
        public
        DefaultMidiDeviceModel(MidiInputDevice midiDevice) {
                if(midiDevice == null)
                        throw new IllegalArgumentException("midiDevice must be non null");
                
                this.midiDevice = midiDevice;
        }
        
        /**
         * Registers the specified listener to be notified when
         * the settings of the MIDI device are changed.
         * @param l The <code>MidiDeviceListener</code> to register.
         */
        public void
        addMidiDeviceListener(MidiDeviceListener l) { listeners.add(l); }
        
        /**
         * Removes the specified listener.
         * @param l The <code>MidiDeviceListener</code> to remove.
         */
        public void
        removeMidiDeviceListener(MidiDeviceListener l) { listeners.remove(l); }
        
        /**
         * Gets the numerical ID of this MIDI device.
         * @return The numerical ID of this MIDI device or
         * -1 if the device number is not set.
         */
        public int
        getDeviceID() { return midiDevice.getDeviceID(); }
        
        /**
         * Gets the current settings of the MIDI device represented by this model.
         * @return <code>MidiInputDevice</code> instance providing
         * the current settings of the MIDI device represented by this model.
         */
        public MidiInputDevice
        getDeviceInfo() { return midiDevice; }
        
        /**
         * Updates the settings of the MIDI device represented by this model.
         * @param device The new MIDI device settings.
         */
        public void
        setDeviceInfo(MidiInputDevice device) {
                midiDevice = device;
                fireSettingsChanged();
        }
        
        /**
         * Sets whether the MIDI device is enabled or disabled.
         * @param active If <code>true</code> the MIDI device is enabled,
         * else the device is disabled.
         */
        public void
        setActive(boolean active) {
                if(active == getDeviceInfo().isActive()) return;
                
                midiDevice.setActive(active);
                fireSettingsChanged();
        }
        
        /**
         * Determines whether the MIDI device is active.
         * @return <code>true</code> if the device is enabled and <code>false</code> otherwise.
         */
        public boolean
        isActive() { return midiDevice.isActive(); }
        
        /**
         * Notifies listeners that the settings of the MIDI device are changed.
         */
        private void
        fireSettingsChanged() {
                fireSettingsChanged(new MidiDeviceEvent(this, this));
        }
        
        /**
         * Notifies listeners that the settings of the MIDI device are changed.
         * This method should be invoked from the event-dispatching thread.
         */
        private void
        fireSettingsChanged(final MidiDeviceEvent e) {
                SwingUtilities.invokeLater(new Runnable() {
                        public void
                        run() { for(MidiDeviceListener l : listeners) l.settingsChanged(e); }
                });
        }
}
1	iliev	787	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4			* Copyright (C) 2005 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;
24
25			import java.util.Vector;
26
27			import javax.swing.SwingUtilities;
28
29			import org.jsampler.event.MidiDeviceEvent;
30			import org.jsampler.event.MidiDeviceListener;
31
32			import org.linuxsampler.lscp.BoolParameter;
33			import org.linuxsampler.lscp.MidiInputDevice;
34			import org.linuxsampler.lscp.Parameter;
35
36
37			/**
38			*
39			* @author Grigor Iliev
40			*/
41			public class DefaultMidiDeviceModel implements MidiDeviceModel {
42			private MidiInputDevice midiDevice;
43
44			private final Vector<MidiDeviceListener> listeners = new Vector<MidiDeviceListener>();
45
46			/**
47			* Creates a new instance of <code>DefaultMidiDeviceModel</code> using the
48			* specified non-null MIDI device.
49			* @param midiDevice A <code>MidiInputDevice</code> instance providing the current
50			* settings of the MIDI device which will be represented by this model.
51			* @throws IllegalArgumentException If <code>midiDevice</code> is <code>null</code>.
52			*/
53			public
54			DefaultMidiDeviceModel(MidiInputDevice midiDevice) {
55			if(midiDevice == null)
56			throw new IllegalArgumentException("midiDevice must be non null");
57
58			this.midiDevice = midiDevice;
59			}
60
61			/**
62			* Registers the specified listener to be notified when
63			* the settings of the MIDI device are changed.
64			* @param l The <code>MidiDeviceListener</code> to register.
65			*/
66			public void
67			addMidiDeviceListener(MidiDeviceListener l) { listeners.add(l); }
68
69			/**
70			* Removes the specified listener.
71			* @param l The <code>MidiDeviceListener</code> to remove.
72			*/
73			public void
74			removeMidiDeviceListener(MidiDeviceListener l) { listeners.remove(l); }
75
76			/**
77			* Gets the numerical ID of this MIDI device.
78			* @return The numerical ID of this MIDI device or
79			* -1 if the device number is not set.
80			*/
81			public int
82			getDeviceID() { return midiDevice.getDeviceID(); }
83
84			/**
85			* Gets the current settings of the MIDI device represented by this model.
86			* @return <code>MidiInputDevice</code> instance providing
87			* the current settings of the MIDI device represented by this model.
88			*/
89			public MidiInputDevice
90			getDeviceInfo() { return midiDevice; }
91
92			/**
93			* Updates the settings of the MIDI device represented by this model.
94			* @param device The new MIDI device settings.
95			*/
96			public void
97			setDeviceInfo(MidiInputDevice device) {
98			midiDevice = device;
99			fireSettingsChanged();
100			}
101
102			/**
103			* Sets whether the MIDI device is enabled or disabled.
104			* @param active If <code>true</code> the MIDI device is enabled,
105			* else the device is disabled.
106			*/
107			public void
108			setActive(boolean active) {
109			if(active == getDeviceInfo().isActive()) return;
110
111			midiDevice.setActive(active);
112			fireSettingsChanged();
113			}
114
115			/**
116			* Determines whether the MIDI device is active.
117			* @return <code>true</code> if the device is enabled and <code>false</code> otherwise.
118			*/
119			public boolean
120			isActive() { return midiDevice.isActive(); }
121
122			/**
123			* Notifies listeners that the settings of the MIDI device are changed.
124			*/
125			private void
126			fireSettingsChanged() {
127			fireSettingsChanged(new MidiDeviceEvent(this, this));
128			}
129
130			/**
131			* Notifies listeners that the settings of the MIDI device are changed.
132			* This method should be invoked from the event-dispatching thread.
133			*/
134			private void
135			fireSettingsChanged(final MidiDeviceEvent e) {
136			SwingUtilities.invokeLater(new Runnable() {
137			public void
138			run() { for(MidiDeviceListener l : listeners) l.settingsChanged(e); }
139			});
140			}
141			}