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/* |
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* JSampler - a java front-end for LinuxSampler |
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* |
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* Copyright (C) 2005-2006 Grigor Iliev <grigor@grigoriliev.com> |
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* |
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* This file is part of JSampler. |
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* |
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* JSampler is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 |
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* as published by the Free Software Foundation. |
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* |
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* JSampler is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with JSampler; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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|
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package org.jsampler.task; |
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|
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import java.util.logging.Level; |
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|
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import org.jsampler.CC; |
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import org.jsampler.HF; |
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import org.jsampler.SamplerChannelModel; |
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import org.jsampler.SamplerModel; |
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|
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import net.sf.juife.Task; |
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import static org.jsampler.JSI18n.i18n; |
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|
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|
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/** |
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* This task updates the sampler channel list. |
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* @author Grigor Iliev |
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*/ |
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public class UpdateChannels extends EnhancedTask { |
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/** Creates a new instance of <code>UpdateChannels</code>. */ |
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public |
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UpdateChannels() { |
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setTitle("UpdateChannels_task"); |
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setDescription(i18n.getMessage("UpdateChannels.description")); |
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} |
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|
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/** The entry point of the task. */ |
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public void |
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run() { |
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try { |
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SamplerModel sm = CC.getSamplerModel(); |
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Integer[] chnIDs = CC.getClient().getSamplerChannelIDs(); |
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|
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boolean found = false; |
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|
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javax.swing.SwingUtilities.invokeAndWait(new Runnable() { |
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public void |
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run() { CC.getMainFrame().setAutoUpdateChannelListUI(false); } |
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}); |
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|
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for(SamplerChannelModel m : sm.getChannels()) { |
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for(int i = 0; i < chnIDs.length; i++) { |
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if(m.getChannelId() == chnIDs[i]) { |
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chnIDs[i] = -1; |
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found = true; |
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} |
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} |
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|
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if(!found) sm.removeChannelById(m.getChannelId()); |
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found = false; |
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} |
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|
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for(int id : chnIDs) { |
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if(id >= 0) sm.addChannel(CC.getClient().getSamplerChannelInfo(id)); |
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} |
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|
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manageAutoUpdate(false); |
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} catch(Exception x) { |
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setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x)); |
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CC.getLogger().log(Level.FINE, getErrorMessage(), x); |
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manageAutoUpdate(true); |
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} |
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} |
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|
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private void |
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manageAutoUpdate(boolean force) { |
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if(!force) { |
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Task[] tasks = CC.getTaskQueue().getPendingTasks(); |
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for(Task t : tasks) if(t.equals(this)) return; |
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} |
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|
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javax.swing.SwingUtilities.invokeLater(new Runnable() { |
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public void |
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run() { |
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CC.getMainFrame().setAutoUpdateChannelListUI(true); |
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CC.getMainFrame().updateChannelListUI(); |
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} |
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}); |
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} |
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|
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/** |
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* Used to decrease the traffic. All task in the queue |
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* equal to this are removed if added using {@link org.jsampler.CC#scheduleTask}. |
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* @see org.jsampler.CC#addTask |
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*/ |
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public boolean |
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equals(Object obj) { |
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if(obj == null) return false; |
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if(!(obj instanceof UpdateChannels)) return false; |
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return true; |
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} |
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} |
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