org/jsampler/Prefs.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2006 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.prefs.Preferences;


/**
 * This class represents the preferences of the JSampler package.
 * @author Grigor Iliev
 */
public class Prefs {
        private final static String prefNode = "org.jsampler";
        
        private final static String VIEW = "VIEW";
        private final static String DEF_VIEW = "classic";
        
        private final static String JSAMPLER_HOME = "JSampler.home";
        private final static String DEF_JSAMPLER_HOME = null;
        
        private final static String INTERFACE_LANGUAGE = "iface.language";
        private final static String DEF_INTERFACE_LANGUAGE = "en";
        
        private final static String INTERFACE_COUNTRY = "iface.country";
        private final static String DEF_INTERFACE_COUNTRY = "US";
        
        private final static String INTERFACE_FONT = "iface.font";
        private final static String DEF_INTERFACE_FONT = null;
        
                
        private static Preferences userPrefs = Preferences.userRoot().node(prefNode);
        
        /**
         * Gets the user preferences node of the JSampler package.
         * @return The user preferences node of the JSampler package.
         */
        private static Preferences
        user() { return userPrefs; }
        
        
// VIEW
        /**
         * Gets the name of the current View.
         * @return the name of the current View.
         */
        public static String
        getView() { return user().get(VIEW, DEF_VIEW); }
        
        /**
         * Sets the current View of JSampler.
         * @param view the name of the new View.
         */
        public static void
        setView(String view) {
                if(view == null) user().remove(VIEW);
                else if(!view.equals(getView())) user().put(VIEW, view);
        }
        
        /**
         * Gets the interface language.
         * @return The interface language.
         */
        public static String
        getInterfaceLanguage() { return user().get(INTERFACE_LANGUAGE, DEF_INTERFACE_LANGUAGE); }
        
        /**
         * Sets the interface language.
         * @return <code>true</code> if the interface language has changed and <code>false</code>
         * otherwise.
         */
        public static boolean
        setInterfaceLanguage(String language) {
                if(language == null) {
                        user().remove(INTERFACE_LANGUAGE);
                        return true;
                } else if(!language.equals(getInterfaceLanguage())) {
                        user().put(INTERFACE_LANGUAGE, language);
                        return true;
                }
                return false;
        }
        
        /**
         * Gets the interface country.
         * @return The interface country.
         */
        public static String
        getInterfaceCountry() { return user().get(INTERFACE_COUNTRY, DEF_INTERFACE_COUNTRY); }
        
        /**
         * Sets the interface country.
         * @return <code>true</code> if the interface country has changed and <code>false</code>
         * otherwise.
         */
        public static boolean
        setInterfaceCountry(String country) {
                if(country == null) {
                        user().remove(INTERFACE_COUNTRY);
                        return true;
                } else if(!country.equals(getInterfaceCountry())) {
                        user().put(INTERFACE_COUNTRY, country);
                        return true;
                }
                return false;
        }
        
        /**
         * Gets the interface font.
         * @return The interface font.
         */
        public static String
        getInterfaceFont() { return user().get(INTERFACE_FONT, DEF_INTERFACE_FONT); }
        
        /**
         * Sets the interface font.
         * @return <code>true</code> if the interface font has changed and <code>false</code>
         * otherwise.
         */
        public static boolean
        setInterfaceFont(String font) {
                if(font == null) {
                        if(getInterfaceFont() == null) return false;
                        user().remove(INTERFACE_FONT);
                        return true;
                } else if(!font.equals(getInterfaceFont())) {
                        user().put(INTERFACE_FONT, font);
                        return true;
                }
                return false;
        }

// PREFERENCES
        /**
         * Gets the absolute path of JSampler home directory.
         * @return The absolute path of JSampler home directory or
         * <code>null</code> if the JSampler home directory is not set.
         */
        public static String
        getJSamplerHome() { return user().get(JSAMPLER_HOME, DEF_JSAMPLER_HOME); }
        
        /**
         * Sets the JSampler home directory.
         * @param home The absolute path of JSampler home directory.
         * @return <code>true</code> if the JSampler home directory has
         * been changed and <code>false</code> otherwise.
         */
        public static boolean
        setJSamplerHome(String home) {
                if(home == null) {
                        if(getJSamplerHome() == null) return false;
                        user().remove(JSAMPLER_HOME);
                        return true;
                } else if(!home.equals(getJSamplerHome())) {
                        user().put(JSAMPLER_HOME, home);
                        return true;
                }
                return false;
        }
}
1	/*
2	* JSampler - a java front-end for LinuxSampler
3	*
4	* Copyright (C) 2005-2006 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.prefs.Preferences;
26
27
28	/**
29	* This class represents the preferences of the JSampler package.
30	* @author Grigor Iliev
31	*/
32	public class Prefs {
33	private final static String prefNode = "org.jsampler";
34
35	private final static String VIEW = "VIEW";
36	private final static String DEF_VIEW = "classic";
37
38	private final static String JSAMPLER_HOME = "JSampler.home";
39	private final static String DEF_JSAMPLER_HOME = null;
40
41	private final static String INTERFACE_LANGUAGE = "iface.language";
42	private final static String DEF_INTERFACE_LANGUAGE = "en";
43
44	private final static String INTERFACE_COUNTRY = "iface.country";
45	private final static String DEF_INTERFACE_COUNTRY = "US";
46
47	private final static String INTERFACE_FONT = "iface.font";
48	private final static String DEF_INTERFACE_FONT = null;
49
50
51	private static Preferences userPrefs = Preferences.userRoot().node(prefNode);
52
53	/**
54	* Gets the user preferences node of the JSampler package.
55	* @return The user preferences node of the JSampler package.
56	*/
57	private static Preferences
58	user() { return userPrefs; }
59
60
61	// VIEW
62	/**
63	* Gets the name of the current View.
64	* @return the name of the current View.
65	*/
66	public static String
67	getView() { return user().get(VIEW, DEF_VIEW); }
68
69	/**
70	* Sets the current View of JSampler.
71	* @param view the name of the new View.
72	*/
73	public static void
74	setView(String view) {
75	if(view == null) user().remove(VIEW);
76	else if(!view.equals(getView())) user().put(VIEW, view);
77	}
78
79	/**
80	* Gets the interface language.
81	* @return The interface language.
82	*/
83	public static String
84	getInterfaceLanguage() { return user().get(INTERFACE_LANGUAGE, DEF_INTERFACE_LANGUAGE); }
85
86	/**
87	* Sets the interface language.
88	* @return <code>true</code> if the interface language has changed and <code>false</code>
89	* otherwise.
90	*/
91	public static boolean
92	setInterfaceLanguage(String language) {
93	if(language == null) {
94	user().remove(INTERFACE_LANGUAGE);
95	return true;
96	} else if(!language.equals(getInterfaceLanguage())) {
97	user().put(INTERFACE_LANGUAGE, language);
98	return true;
99	}
100	return false;
101	}
102
103	/**
104	* Gets the interface country.
105	* @return The interface country.
106	*/
107	public static String
108	getInterfaceCountry() { return user().get(INTERFACE_COUNTRY, DEF_INTERFACE_COUNTRY); }
109
110	/**
111	* Sets the interface country.
112	* @return <code>true</code> if the interface country has changed and <code>false</code>
113	* otherwise.
114	*/
115	public static boolean
116	setInterfaceCountry(String country) {
117	if(country == null) {
118	user().remove(INTERFACE_COUNTRY);
119	return true;
120	} else if(!country.equals(getInterfaceCountry())) {
121	user().put(INTERFACE_COUNTRY, country);
122	return true;
123	}
124	return false;
125	}
126
127	/**
128	* Gets the interface font.
129	* @return The interface font.
130	*/
131	public static String
132	getInterfaceFont() { return user().get(INTERFACE_FONT, DEF_INTERFACE_FONT); }
133
134	/**
135	* Sets the interface font.
136	* @return <code>true</code> if the interface font has changed and <code>false</code>
137	* otherwise.
138	*/
139	public static boolean
140	setInterfaceFont(String font) {
141	if(font == null) {
142	if(getInterfaceFont() == null) return false;
143	user().remove(INTERFACE_FONT);
144	return true;
145	} else if(!font.equals(getInterfaceFont())) {
146	user().put(INTERFACE_FONT, font);
147	return true;
148	}
149	return false;
150	}
151
152	// PREFERENCES
153	/**
154	* Gets the absolute path of JSampler home directory.
155	* @return The absolute path of JSampler home directory or
156	* <code>null</code> if the JSampler home directory is not set.
157	*/
158	public static String
159	getJSamplerHome() { return user().get(JSAMPLER_HOME, DEF_JSAMPLER_HOME); }
160
161	/**
162	* Sets the JSampler home directory.
163	* @param home The absolute path of JSampler home directory.
164	* @return <code>true</code> if the JSampler home directory has
165	* been changed and <code>false</code> otherwise.
166	*/
167	public static boolean
168	setJSamplerHome(String home) {
169	if(home == null) {
170	if(getJSamplerHome() == null) return false;
171	user().remove(JSAMPLER_HOME);
172	return true;
173	} else if(!home.equals(getJSamplerHome())) {
174	user().put(JSAMPLER_HOME, home);
175	return true;
176	}
177	return false;
178	}
179	}