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.logging.Level;

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

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