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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) 2005-2008 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; |
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|
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import java.util.Vector; |
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|
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import javax.swing.event.ChangeEvent; |
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import javax.swing.event.ChangeListener; |
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|
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import net.sf.juife.event.TaskEvent; |
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import net.sf.juife.event.TaskListener; |
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|
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import org.jsampler.task.InstrumentsDb.FindLostInstrumentFiles; |
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|
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/** |
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* A data model providing information about the lost instrument files in the instruments database. |
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* @author Grigor Iliev |
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*/ |
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public class LostFilesModel { |
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private final Vector<String> lostFiles = new Vector<String>(); |
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private final Vector<ChangeListener> listeners = new Vector<ChangeListener>(); |
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|
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/** Creates a new instance of <code>LostFilesModel</code> */ |
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public |
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LostFilesModel() { } |
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|
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/** |
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* Registers the specified listener to be notified when the list |
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* of lost files is updated. |
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* @param l The <code>ChangeListener</code> to register. |
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*/ |
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public void |
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addChangeListener(ChangeListener l) { listeners.add(l); } |
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|
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/** |
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* Removes the specified listener. |
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* @param l The <code>ChangeListener</code> to remove. |
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*/ |
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public void |
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removeChangeListener(ChangeListener l) { listeners.remove(l); } |
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|
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/** Returns a list of all lost files. */ |
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public String[] |
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getLostFiles() { |
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return lostFiles.toArray(new String[lostFiles.size()]); |
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} |
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|
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/** |
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* Gets the absolute pathname of the lost file at the specified position. |
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* @param index The position of the lost file to return. |
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* @return The absolute pathname of the lost file at the specified position. |
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*/ |
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public String |
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getLostFile(int index) { return lostFiles.get(index); } |
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|
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/** |
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* Gets the number of lost files in the instruments database. |
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* @return The number of lost files in the instruments database. |
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*/ |
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public int |
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getLostFileCount() { return lostFiles.size(); } |
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|
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/** Updates the list of lost instrument files. */ |
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public void |
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update() { |
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final FindLostInstrumentFiles t = new FindLostInstrumentFiles(); |
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t.addTaskListener(new TaskListener() { |
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public void |
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taskPerformed(TaskEvent e) { |
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if(t.doneWithErrors()) return; |
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lostFiles.removeAllElements(); |
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for(String s : t.getResult()) lostFiles.add(s); |
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fireLostFileListUpdated(); |
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} |
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}); |
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|
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lostFiles.removeAllElements(); |
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fireLostFileListUpdated(); |
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|
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CC.getTaskQueue().add(t); |
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} |
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|
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/** |
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* Notifies listeners that the list of lost files is updated. |
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*/ |
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private void |
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fireLostFileListUpdated() { |
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ChangeEvent e = new ChangeEvent(this); |
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for(ChangeListener l : listeners) l.stateChanged(e); |
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} |
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} |