org/jsampler/LostFilesModel.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2008 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;

import java.util.Vector;

import net.sf.juife.event.GenericEvent;
import net.sf.juife.event.GenericListener;
import net.sf.juife.event.TaskEvent;
import net.sf.juife.event.TaskListener;

import org.jsampler.task.InstrumentsDb.FindLostInstrumentFiles;

/**
 * A data model providing information about the lost instrument files in the instruments database.
 * @author Grigor Iliev
 */
public class LostFilesModel {
        private final Vector<String> lostFiles = new Vector<String>();
        private final Vector<GenericListener> listeners = new Vector<GenericListener>();
        
        /** Creates a new instance of <code>LostFilesModel</code> */
        public
        LostFilesModel() { }
        
        /**
         * Registers the specified listener to be notified when the list
         * of lost files is updated.
         * @param l The <code>GenericListener</code> to register.
         */
        public void
        addChangeListener(GenericListener l) { listeners.add(l); }
        
        /**
         * Removes the specified listener.
         * @param l The <code>GenericListener</code> to remove.
         */
        public void
        removeChangeListener(GenericListener l) { listeners.remove(l); }
        
        /** Returns a list of all lost files. */
        public String[]
        getLostFiles() {
                return lostFiles.toArray(new String[lostFiles.size()]);
        }
        
        /**
         * Gets the absolute pathname of the lost file at the specified position.
         * @param index The position of the lost file to return.
         * @return The absolute pathname of the lost file at the specified position.
         */
        public String
        getLostFile(int index) { return lostFiles.get(index); }
        
        /**
         * Gets the number of lost files in the instruments database.
         * @return The number of lost files in the instruments database.
         */
        public int
        getLostFileCount() { return lostFiles.size(); }
        
        /** Updates the list of lost instrument files. */
        public void
        update() {
                final FindLostInstrumentFiles t = new FindLostInstrumentFiles();
                t.addTaskListener(new TaskListener() {
                        public void
                        taskPerformed(TaskEvent e) {
                                if(t.doneWithErrors()) return;
                                lostFiles.removeAllElements();
                                for(String s : t.getResult()) lostFiles.add(s);
                                fireLostFileListUpdated();
                        }
                });
                
                lostFiles.removeAllElements();
                fireLostFileListUpdated();
                
                CC.getTaskQueue().add(t);
        }
        
        /** 
         * Notifies listeners that the list of lost files is updated.
         */
        private void
        fireLostFileListUpdated() {
                GenericEvent e = new GenericEvent(this);
                for(GenericListener l : listeners) l.jobDone(e);
        }
}
1	iliev	1729	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4			* Copyright (C) 2005-2008 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;
24
25			import java.util.Vector;
26
27	iliev	2288	import net.sf.juife.event.GenericEvent;
28			import net.sf.juife.event.GenericListener;
29	iliev	1729	import net.sf.juife.event.TaskEvent;
30			import net.sf.juife.event.TaskListener;
31
32			import org.jsampler.task.InstrumentsDb.FindLostInstrumentFiles;
33
34			/**
35			* A data model providing information about the lost instrument files in the instruments database.
36			* @author Grigor Iliev
37			*/
38			public class LostFilesModel {
39			private final Vector<String> lostFiles = new Vector<String>();
40	iliev	2288	private final Vector<GenericListener> listeners = new Vector<GenericListener>();
41	iliev	1729
42			/** Creates a new instance of <code>LostFilesModel</code> */
43			public
44			LostFilesModel() { }
45
46			/**
47			* Registers the specified listener to be notified when the list
48			* of lost files is updated.
49	iliev	2288	* @param l The <code>GenericListener</code> to register.
50	iliev	1729	*/
51			public void
52	iliev	2288	addChangeListener(GenericListener l) { listeners.add(l); }
53	iliev	1729
54			/**
55			* Removes the specified listener.
56	iliev	2288	* @param l The <code>GenericListener</code> to remove.
57	iliev	1729	*/
58			public void
59	iliev	2288	removeChangeListener(GenericListener l) { listeners.remove(l); }
60	iliev	1729
61			/** Returns a list of all lost files. */
62			public String[]
63			getLostFiles() {
64			return lostFiles.toArray(new String[lostFiles.size()]);
65			}
66
67			/**
68			* Gets the absolute pathname of the lost file at the specified position.
69			* @param index The position of the lost file to return.
70			* @return The absolute pathname of the lost file at the specified position.
71			*/
72			public String
73			getLostFile(int index) { return lostFiles.get(index); }
74
75			/**
76			* Gets the number of lost files in the instruments database.
77			* @return The number of lost files in the instruments database.
78			*/
79			public int
80			getLostFileCount() { return lostFiles.size(); }
81
82			/** Updates the list of lost instrument files. */
83			public void
84			update() {
85			final FindLostInstrumentFiles t = new FindLostInstrumentFiles();
86			t.addTaskListener(new TaskListener() {
87			public void
88			taskPerformed(TaskEvent e) {
89			if(t.doneWithErrors()) return;
90			lostFiles.removeAllElements();
91			for(String s : t.getResult()) lostFiles.add(s);
92			fireLostFileListUpdated();
93			}
94			});
95
96			lostFiles.removeAllElements();
97			fireLostFileListUpdated();
98
99			CC.getTaskQueue().add(t);
100			}
101
102			/**
103			* Notifies listeners that the list of lost files is updated.
104			*/
105			private void
106			fireLostFileListUpdated() {
107	iliev	2288	GenericEvent e = new GenericEvent(this);
108			for(GenericListener l : listeners) l.jobDone(e);
109	iliev	1729	}
110			}