jsampler/task/UpdateChannels.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.task;

import java.util.Vector;
import java.util.logging.Level;

import org.jsampler.CC;
import org.jsampler.HF;
import org.jsampler.SamplerChannelModel;
import org.jsampler.SamplerModel;

import org.linuxsampler.lscp.SamplerChannel;

import net.sf.juife.Task;

import static org.jsampler.JSI18n.i18n;


/**
 * This task updates the sampler channel list.
 * @author Grigor Iliev
 */
public class UpdateChannels extends EnhancedTask {
        /** Creates a new instance of <code>UpdateChannels</code>. */
        public
        UpdateChannels() {
                setTitle("UpdateChannels_task");
                setDescription(i18n.getMessage("UpdateChannels.description"));
        }
        
        /** The entry point of the task. */
        public void
        run() {
                try { 
                        SamplerModel sm = CC.getSamplerModel();
                        Integer[] chnIDs = CC.getClient().getSamplerChannelIDs();
                        
                        boolean found = false;
                        
                        boolean oldValue = CC.getSamplerModel().getChannelListIsAdjusting();
                        
                        javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
                                public void
                                run() {
                                        CC.getSamplerModel().setChannelListIsAdjusting(true);
                                        CC.getMainFrame().setAutoUpdateChannelListUI(false);
                                }
                        });
                        
                        for(SamplerChannelModel m : sm.getChannels()) {
                                for(int i = 0; i < chnIDs.length; i++) {
                                        if(m.getChannelId() == chnIDs[i]) {
                                                chnIDs[i] = -1;
                                                found = true;
                                        }
                                }
                                
                                if(!found) sm.removeChannelById(m.getChannelId());
                                found = false;
                        }
                        
                        Vector<SamplerChannel> v = new Vector<SamplerChannel>();
                        for(int id : chnIDs) {
                                if(id >= 0) v.add(CC.getClient().getSamplerChannelInfo(id));
                        }
                        
                        for(int i = 0; i < v.size() - 1; i++) sm.addChannel(v.elementAt(i));
                        
                        manageAutoUpdate(false);
                        
                        if(v.size() > 0) sm.addChannel(v.elementAt(v.size() - 1));
                        else if(!CC.getSamplerModel().getChannelListIsAdjusting()) {
                                if(oldValue) sm.addChannel(null);
                        }
                } catch(Exception x) {
                        setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
                        CC.getLogger().log(Level.FINE, getErrorMessage(), x);
                        manageAutoUpdate(true);
                }
        }
        
        private void
        manageAutoUpdate(boolean force) {
                if(!force) {
                        Task[] tasks = CC.getTaskQueue().getPendingTasks();
                        for(Task t : tasks) if(t.equals(this)) return;
                }
                
                javax.swing.SwingUtilities.invokeLater(new Runnable() {
                        public void
                        run() {
                                CC.getSamplerModel().setChannelListIsAdjusting(false);
                                CC.getMainFrame().setAutoUpdateChannelListUI(true);
                                CC.getMainFrame().updateChannelListUI();
                        }
                });
        }
                
        /**
         * Used to decrease the traffic. All task in the queue
         * equal to this are removed if added using {@link org.jsampler.CC#scheduleTask}.
         * @see org.jsampler.CC#addTask
         */
        public boolean
        equals(Object obj) {
                if(obj == null) return false;
                if(!(obj instanceof UpdateChannels)) return false;
                
                return true;
        }
}
1	iliev	787	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4	iliev	1143	* Copyright (C) 2005-2006 Grigor Iliev <grigor@grigoriliev.com>
5	iliev	787	*
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.task;
24
25	iliev	1737	import java.util.Vector;
26	iliev	787	import java.util.logging.Level;
27
28			import org.jsampler.CC;
29			import org.jsampler.HF;
30	iliev	1143	import org.jsampler.SamplerChannelModel;
31	iliev	787	import org.jsampler.SamplerModel;
32
33	iliev	1737	import org.linuxsampler.lscp.SamplerChannel;
34
35	iliev	1734	import net.sf.juife.Task;
36
37	iliev	787	import static org.jsampler.JSI18n.i18n;
38
39
40			/**
41	iliev	1143	* This task updates the sampler channel list.
42	iliev	787	* @author Grigor Iliev
43			*/
44	iliev	842	public class UpdateChannels extends EnhancedTask {
45	iliev	911	/** Creates a new instance of <code>UpdateChannels</code>. */
46	iliev	787	public
47			UpdateChannels() {
48			setTitle("UpdateChannels_task");
49			setDescription(i18n.getMessage("UpdateChannels.description"));
50			}
51
52	iliev	911	/** The entry point of the task. */
53	iliev	787	public void
54			run() {
55			try {
56			SamplerModel sm = CC.getSamplerModel();
57			Integer[] chnIDs = CC.getClient().getSamplerChannelIDs();
58
59			boolean found = false;
60	iliev	1734
61	iliev	1737	boolean oldValue = CC.getSamplerModel().getChannelListIsAdjusting();
62
63	iliev	1734	javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
64			public void
65	iliev	1737	run() {
66			CC.getSamplerModel().setChannelListIsAdjusting(true);
67			CC.getMainFrame().setAutoUpdateChannelListUI(false);
68			}
69	iliev	1734	});
70
71	iliev	1204	for(SamplerChannelModel m : sm.getChannels()) {
72	iliev	787	for(int i = 0; i < chnIDs.length; i++) {
73	iliev	1143	if(m.getChannelId() == chnIDs[i]) {
74	iliev	787	chnIDs[i] = -1;
75			found = true;
76			}
77			}
78
79	iliev	1204	if(!found) sm.removeChannelById(m.getChannelId());
80	iliev	787	found = false;
81			}
82
83	iliev	1737	Vector<SamplerChannel> v = new Vector<SamplerChannel>();
84	iliev	787	for(int id : chnIDs) {
85	iliev	1737	if(id >= 0) v.add(CC.getClient().getSamplerChannelInfo(id));
86	iliev	787	}
87	iliev	1734
88	iliev	1737	for(int i = 0; i < v.size() - 1; i++) sm.addChannel(v.elementAt(i));
89
90	iliev	1734	manageAutoUpdate(false);
91	iliev	1737
92			if(v.size() > 0) sm.addChannel(v.elementAt(v.size() - 1));
93			else if(!CC.getSamplerModel().getChannelListIsAdjusting()) {
94			if(oldValue) sm.addChannel(null);
95			}
96	iliev	787	} catch(Exception x) {
97			setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
98			CC.getLogger().log(Level.FINE, getErrorMessage(), x);
99	iliev	1734	manageAutoUpdate(true);
100	iliev	787	}
101			}
102	iliev	1734
103			private void
104			manageAutoUpdate(boolean force) {
105			if(!force) {
106			Task[] tasks = CC.getTaskQueue().getPendingTasks();
107			for(Task t : tasks) if(t.equals(this)) return;
108			}
109
110			javax.swing.SwingUtilities.invokeLater(new Runnable() {
111			public void
112			run() {
113	iliev	1737	CC.getSamplerModel().setChannelListIsAdjusting(false);
114	iliev	1734	CC.getMainFrame().setAutoUpdateChannelListUI(true);
115			CC.getMainFrame().updateChannelListUI();
116			}
117			});
118			}
119
120			/**
121			* Used to decrease the traffic. All task in the queue
122			* equal to this are removed if added using {@link org.jsampler.CC#scheduleTask}.
123			* @see org.jsampler.CC#addTask
124			*/
125			public boolean
126			equals(Object obj) {
127			if(obj == null) return false;
128			if(!(obj instanceof UpdateChannels)) return false;
129
130			return true;
131			}
132	iliev	787	}