jsampler/task/UpdateChannels.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2009 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 org.jsampler.CC;
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. */
        @Override
        public void
        exec() throws Exception {
                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()) {
                        // FIXME: no change after
                        // CC.getSamplerModel().setChannelListIsAdjusting(false);
                }
        }

        @Override
        public void
        onError(Exception e) {
                manageAutoUpdate(true);
        }
        
        private void
        manageAutoUpdate(boolean force) {
                if(!force) {
                        Task[] tasks = CC.getTaskQueue().getPendingTasks();
                        for(Task t : tasks) if(t.equals(this)) return;
                }
                
                try {
                        javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
                                public void
                                run() {
                                        CC.getSamplerModel().setChannelListIsAdjusting(false);
                                        CC.getMainFrame().setAutoUpdateChannelListUI(true);
                                        CC.getMainFrame().updateChannelListUI();
                                }
                        });
                } catch(Exception x) {
                        x.printStackTrace();
                }
        }
                
        /**
         * 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
         */
        @Override
        public boolean
        equals(Object obj) {
                if(obj == null) return false;
                if(!(obj instanceof UpdateChannels)) return false;
                
                return true;
        }
}
1	/*
2	* JSampler - a java front-end for LinuxSampler
3	*
4	* Copyright (C) 2005-2009 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.task;
24
25	import java.util.Vector;
26
27	import org.jsampler.CC;
28	import org.jsampler.SamplerChannelModel;
29	import org.jsampler.SamplerModel;
30
31	import org.linuxsampler.lscp.SamplerChannel;
32
33	import net.sf.juife.Task;
34
35	import static org.jsampler.JSI18n.i18n;
36
37
38	/**
39	* This task updates the sampler channel list.
40	* @author Grigor Iliev
41	*/
42	public class UpdateChannels extends EnhancedTask {
43	/** Creates a new instance of <code>UpdateChannels</code>. */
44	public
45	UpdateChannels() {
46	setTitle("UpdateChannels_task");
47	setDescription(i18n.getMessage("UpdateChannels.description"));
48	}
49
50	/** The entry point of the task. */
51	@Override
52	public void
53	exec() throws Exception {
54	SamplerModel sm = CC.getSamplerModel();
55	Integer[] chnIDs = CC.getClient().getSamplerChannelIDs();
56
57	boolean found = false;
58
59	boolean oldValue = CC.getSamplerModel().getChannelListIsAdjusting();
60
61	javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
62	public void
63	run() {
64	CC.getSamplerModel().setChannelListIsAdjusting(true);
65	CC.getMainFrame().setAutoUpdateChannelListUI(false);
66	}
67	});
68
69	for(SamplerChannelModel m : sm.getChannels()) {
70	for(int i = 0; i < chnIDs.length; i++) {
71	if(m.getChannelId() == chnIDs[i]) {
72	chnIDs[i] = -1;
73	found = true;
74	}
75	}
76
77	if(!found) sm.removeChannelById(m.getChannelId());
78	found = false;
79	}
80
81	Vector<SamplerChannel> v = new Vector<SamplerChannel>();
82	for(int id : chnIDs) {
83	if(id >= 0) v.add(CC.getClient().getSamplerChannelInfo(id));
84	}
85
86	for(int i = 0; i < v.size() - 1; i++) sm.addChannel(v.elementAt(i));
87
88	manageAutoUpdate(false);
89
90	if(v.size() > 0) sm.addChannel(v.elementAt(v.size() - 1));
91	else if(!CC.getSamplerModel().getChannelListIsAdjusting()) {
92	// FIXME: no change after
93	// CC.getSamplerModel().setChannelListIsAdjusting(false);
94	}
95	}
96
97	@Override
98	public void
99	onError(Exception e) {
100	manageAutoUpdate(true);
101	}
102
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	try {
111	javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
112	public void
113	run() {
114	CC.getSamplerModel().setChannelListIsAdjusting(false);
115	CC.getMainFrame().setAutoUpdateChannelListUI(true);
116	CC.getMainFrame().updateChannelListUI();
117	}
118	});
119	} catch(Exception x) {
120	x.printStackTrace();
121	}
122	}
123
124	/**
125	* Used to decrease the traffic. All task in the queue
126	* equal to this are removed if added using {@link org.jsampler.CC#scheduleTask}.
127	* @see org.jsampler.CC#addTask
128	*/
129	@Override
130	public boolean
131	equals(Object obj) {
132	if(obj == null) return false;
133	if(!(obj instanceof UpdateChannels)) return false;
134
135	return true;
136	}
137	}