jsampler/view/JSViewConfig.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2007 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.view;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import org.jsampler.JSPrefs;

import static org.jsampler.JSPrefs.VOL_MEASUREMENT_UNIT_DECIBEL;

/**
 * Provides the view configuration.
 * @author Grigor Iliev
 */
public abstract class JSViewConfig {
        private boolean measurementUnitDecibel;
        
        /** Creates a new instance of <code>JSViewConfig</code> */
        public
        JSViewConfig() {
                measurementUnitDecibel = preferences().getBoolProperty(VOL_MEASUREMENT_UNIT_DECIBEL);
                
                String s = VOL_MEASUREMENT_UNIT_DECIBEL;
                preferences().addPropertyChangeListener(s, new PropertyChangeListener() {
                        public void
                        propertyChange(PropertyChangeEvent e) {
                                boolean b;
                                b = preferences().getBoolProperty(VOL_MEASUREMENT_UNIT_DECIBEL);
                                measurementUnitDecibel = b;
                        }
                });
        }
        
        /**
         * Provides UI information for instruments database trees.
         */
        public abstract InstrumentsDbTreeView getInstrumentsDbTreeView();
        
        /**
         * Provides UI information for instruments database tables.
         */
        public abstract InstrumentsDbTableView getInstrumentsDbTableView();
        
        public abstract JSPrefs preferences();
        
        /**
         * Determines whether this view provides instruments database support.
         * @return <code>false</code>
         */
        public boolean
        getInstrumentsDbSupport() { return false; }
        
        /**
         * Determines whether the volume values should be shown in decibels.
         */
        public boolean
        isMeasurementUnitDecibel() { return measurementUnitDecibel; }
}
1	/*
2	* JSampler - a java front-end for LinuxSampler
3	*
4	* Copyright (C) 2005-2007 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.view;
24
25	import java.beans.PropertyChangeEvent;
26	import java.beans.PropertyChangeListener;
27
28	import org.jsampler.JSPrefs;
29
30	import static org.jsampler.JSPrefs.VOL_MEASUREMENT_UNIT_DECIBEL;
31
32	/**
33	* Provides the view configuration.
34	* @author Grigor Iliev
35	*/
36	public abstract class JSViewConfig {
37	private boolean measurementUnitDecibel;
38
39	/** Creates a new instance of <code>JSViewConfig</code> */
40	public
41	JSViewConfig() {
42	measurementUnitDecibel = preferences().getBoolProperty(VOL_MEASUREMENT_UNIT_DECIBEL);
43
44	String s = VOL_MEASUREMENT_UNIT_DECIBEL;
45	preferences().addPropertyChangeListener(s, new PropertyChangeListener() {
46	public void
47	propertyChange(PropertyChangeEvent e) {
48	boolean b;
49	b = preferences().getBoolProperty(VOL_MEASUREMENT_UNIT_DECIBEL);
50	measurementUnitDecibel = b;
51	}
52	});
53	}
54
55	/**
56	* Provides UI information for instruments database trees.
57	*/
58	public abstract InstrumentsDbTreeView getInstrumentsDbTreeView();
59
60	/**
61	* Provides UI information for instruments database tables.
62	*/
63	public abstract InstrumentsDbTableView getInstrumentsDbTableView();
64
65	public abstract JSPrefs preferences();
66
67	/**
68	* Determines whether this view provides instruments database support.
69	* @return <code>false</code>
70	*/
71	public boolean
72	getInstrumentsDbSupport() { return false; }
73
74	/**
75	* Determines whether the volume values should be shown in decibels.
76	*/
77	public boolean
78	isMeasurementUnitDecibel() { return measurementUnitDecibel; }
79	}