view/std/StdUtils.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.std;

import java.awt.Desktop;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

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

import java.net.URI;

import java.text.NumberFormat;

import java.util.Vector;

import javax.swing.JComboBox;
import javax.swing.JSlider;
import javax.swing.JToolTip;
import javax.swing.Popup;
import javax.swing.PopupFactory;

import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.jsampler.CC;
import org.jsampler.HF;
import org.jsampler.JSPrefs;

import static org.jsampler.view.std.StdI18n.i18n;
import static org.jsampler.view.std.StdPrefs.*;


/**
 *
 * @author Grigor Iliev
 */
public class StdUtils {
        
        /** Forbids the instantiation of this class */
        private
        StdUtils() { }
        
        private static JSPrefs
        preferences() { return CC.getViewConfig().preferences(); }
        
        public static JComboBox
        createPathComboBox() {
                final JComboBox cb = new JComboBox();
                cb.setEditable(true);
                cb.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                if(cb.getSelectedItem() == null) {
                                        cb.setToolTipText(null);
                                        return;
                                }
                                String s = cb.getSelectedItem().toString();
                                if(s.length() < 15) cb.setToolTipText(null);
                                else cb.setToolTipText(s);
                        }
                });
                
                return cb;
        }
        
        /**
         * Updates the specified string list property by adding the specified
         * element on the top. Also restricts the maximum number of elements to 12.
         */
        public static void
        updateRecentElements(String property, String newElement) {
                String[] elements = preferences().getStringListProperty(property);
                Vector<String> v = new Vector<String>();
                v.add(newElement);
                for(String s : elements) {
                        if(!newElement.equals(s)) v.add(s);
                }
                if(v.size() > 12) v.setSize(12);
                
                elements = v.toArray(new String[v.size()]);
                preferences().setStringListProperty(property, elements);
        }
        
        public static boolean
        checkDesktopSupported() {
                if(Desktop.isDesktopSupported()) return true;
                
                String s = i18n.getError("StdUtils.DesktopApiNotSupported");
                HF.showErrorMessage(s, CC.getMainFrame());
                
                return false;
        }
        
        public static void
        browse(String uri) {
                if(!checkDesktopSupported()) return;
                
                try { Desktop.getDesktop().browse(new URI(uri)); }
                catch(Exception x) { x.printStackTrace(); }
        }
        
        public static void
        mail(String uri) {
                if(!StdUtils.checkDesktopSupported()) return;
                
                Desktop desktop = Desktop.getDesktop();
                
                try { Desktop.getDesktop().mail(new URI(uri)); }
                catch(Exception x) { x.printStackTrace(); }
        }
        
        public static JSlider
        createVolumeSlider() {
                return new VolumeSlider();
        }
        
        private static class VolumeSlider extends JSlider {
                private Popup popup = null;
                private final JToolTip tip = new JToolTip();
                private static NumberFormat numberFormat = NumberFormat.getInstance();
                
                VolumeSlider() {
                        super(0, 100, 100);
                        numberFormat.setMaximumFractionDigits(1);
                        // Setting the tooltip size
                        tip.setTipText(i18n.getLabel("StdUtils.volume", 10000));
                        tip.setMinimumSize(tip.getPreferredSize());
                        tip.setPreferredSize(tip.getPreferredSize()); // workaround for preserving that size
                        tip.setComponent(this);
                        tip.setTipText(i18n.getLabel("StdUtils.volume", 0));
                        ///////
                        
                        updateVolumeInfo();
                        
                        addMouseListener(new MouseAdapter() {
                                public void
                                mousePressed(MouseEvent e) {
                                        if(popup != null) {
                                                popup.hide();
                                                popup = null;
                                        }
                                        
                                        if(!VolumeSlider.this.isEnabled()) return;
                                        
                                        java.awt.Point p = VolumeSlider.this.getLocationOnScreen();
                                        PopupFactory pf = PopupFactory.getSharedInstance();
                                        popup = pf.getPopup(VolumeSlider.this, tip, p.x, p.y - 22);
                                        popup.show();
                                }
                                
                                public void
                                mouseReleased(MouseEvent e) {
                                        if(popup != null) {
                                                popup.hide();
                                                popup = null;
                                        }
                                }
                        });
                        
                        addChangeListener(new ChangeListener() {
                                public void
                                stateChanged(ChangeEvent e) { updateVolumeInfo(); }
                        });
                        
                        String s = VOL_MEASUREMENT_UNIT_DECIBEL;
                        preferences().addPropertyChangeListener(s, new PropertyChangeListener() {
                                public void
                                propertyChange(PropertyChangeEvent e) {
                                        updateVolumeInfo();
                                }
                        });
                }
                
                private void
                updateVolumeInfo() {
                        String s;
                        if(CC.getViewConfig().isMeasurementUnitDecibel()) {
                                double d = HF.percentsToDecibels(getValue());
                                s = i18n.getLabel("StdUtils.volumeDecibels", numberFormat.format(d));
                        } else {
                                s = i18n.getLabel("StdUtils.volume", getValue());
                        }
                        
                        setToolTipText(s);
                        tip.setTipText(s);
                        tip.repaint();
                }
        }
}
1	iliev	1308	/*
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			package org.jsampler.view.std;
23
24	iliev	1496	import java.awt.Desktop;
25
26	iliev	1540	import java.awt.event.ActionEvent;
27			import java.awt.event.ActionListener;
28			import java.awt.event.MouseAdapter;
29			import java.awt.event.MouseEvent;
30
31			import java.beans.PropertyChangeEvent;
32			import java.beans.PropertyChangeListener;
33
34	iliev	1496	import java.net.URI;
35
36	iliev	1540	import java.text.NumberFormat;
37
38	iliev	1308	import java.util.Vector;
39
40	iliev	1540	import javax.swing.JComboBox;
41			import javax.swing.JSlider;
42			import javax.swing.JToolTip;
43			import javax.swing.Popup;
44			import javax.swing.PopupFactory;
45
46			import javax.swing.event.ChangeEvent;
47			import javax.swing.event.ChangeListener;
48	iliev	1308	import org.jsampler.CC;
49	iliev	1496	import org.jsampler.HF;
50	iliev	1308	import org.jsampler.JSPrefs;
51
52	iliev	1496	import static org.jsampler.view.std.StdI18n.i18n;
53	iliev	1540	import static org.jsampler.view.std.StdPrefs.*;
54	iliev	1308
55	iliev	1496
56	iliev	1308	/**
57			*
58			* @author Grigor Iliev
59			*/
60			public class StdUtils {
61
62			/** Forbids the instantiation of this class */
63			private
64			StdUtils() { }
65
66			private static JSPrefs
67			preferences() { return CC.getViewConfig().preferences(); }
68
69	iliev	1540	public static JComboBox
70			createPathComboBox() {
71			final JComboBox cb = new JComboBox();
72			cb.setEditable(true);
73			cb.addActionListener(new ActionListener() {
74			public void
75			actionPerformed(ActionEvent e) {
76			if(cb.getSelectedItem() == null) {
77			cb.setToolTipText(null);
78			return;
79			}
80			String s = cb.getSelectedItem().toString();
81			if(s.length() < 15) cb.setToolTipText(null);
82			else cb.setToolTipText(s);
83			}
84			});
85
86			return cb;
87			}
88
89	iliev	1308	/**
90			* Updates the specified string list property by adding the specified
91			* element on the top. Also restricts the maximum number of elements to 12.
92			*/
93			public static void
94			updateRecentElements(String property, String newElement) {
95			String[] elements = preferences().getStringListProperty(property);
96			Vector<String> v = new Vector<String>();
97			v.add(newElement);
98			for(String s : elements) {
99			if(!newElement.equals(s)) v.add(s);
100			}
101			if(v.size() > 12) v.setSize(12);
102
103			elements = v.toArray(new String[v.size()]);
104			preferences().setStringListProperty(property, elements);
105			}
106	iliev	1496
107			public static boolean
108			checkDesktopSupported() {
109			if(Desktop.isDesktopSupported()) return true;
110
111			String s = i18n.getError("StdUtils.DesktopApiNotSupported");
112			HF.showErrorMessage(s, CC.getMainFrame());
113
114			return false;
115			}
116
117			public static void
118			browse(String uri) {
119			if(!checkDesktopSupported()) return;
120
121			try { Desktop.getDesktop().browse(new URI(uri)); }
122			catch(Exception x) { x.printStackTrace(); }
123			}
124
125			public static void
126			mail(String uri) {
127			if(!StdUtils.checkDesktopSupported()) return;
128
129			Desktop desktop = Desktop.getDesktop();
130
131			try { Desktop.getDesktop().mail(new URI(uri)); }
132			catch(Exception x) { x.printStackTrace(); }
133			}
134	iliev	1540
135			public static JSlider
136			createVolumeSlider() {
137			return new VolumeSlider();
138			}
139
140			private static class VolumeSlider extends JSlider {
141			private Popup popup = null;
142			private final JToolTip tip = new JToolTip();
143			private static NumberFormat numberFormat = NumberFormat.getInstance();
144
145			VolumeSlider() {
146			super(0, 100, 100);
147			numberFormat.setMaximumFractionDigits(1);
148			// Setting the tooltip size
149			tip.setTipText(i18n.getLabel("StdUtils.volume", 10000));
150			tip.setMinimumSize(tip.getPreferredSize());
151			tip.setPreferredSize(tip.getPreferredSize()); // workaround for preserving that size
152			tip.setComponent(this);
153			tip.setTipText(i18n.getLabel("StdUtils.volume", 0));
154			///////
155
156			updateVolumeInfo();
157
158			addMouseListener(new MouseAdapter() {
159			public void
160			mousePressed(MouseEvent e) {
161			if(popup != null) {
162			popup.hide();
163			popup = null;
164			}
165
166			if(!VolumeSlider.this.isEnabled()) return;
167
168			java.awt.Point p = VolumeSlider.this.getLocationOnScreen();
169			PopupFactory pf = PopupFactory.getSharedInstance();
170			popup = pf.getPopup(VolumeSlider.this, tip, p.x, p.y - 22);
171			popup.show();
172			}
173
174			public void
175			mouseReleased(MouseEvent e) {
176			if(popup != null) {
177			popup.hide();
178			popup = null;
179			}
180			}
181			});
182
183			addChangeListener(new ChangeListener() {
184			public void
185			stateChanged(ChangeEvent e) { updateVolumeInfo(); }
186			});
187
188			String s = VOL_MEASUREMENT_UNIT_DECIBEL;
189			preferences().addPropertyChangeListener(s, new PropertyChangeListener() {
190			public void
191			propertyChange(PropertyChangeEvent e) {
192			updateVolumeInfo();
193			}
194			});
195			}
196
197			private void
198			updateVolumeInfo() {
199			String s;
200			if(CC.getViewConfig().isMeasurementUnitDecibel()) {
201			double d = HF.percentsToDecibels(getValue());
202			s = i18n.getLabel("StdUtils.volumeDecibels", numberFormat.format(d));
203			} else {
204			s = i18n.getLabel("StdUtils.volume", getValue());
205			}
206
207			setToolTipText(s);
208			tip.setTipText(s);
209			tip.repaint();
210			}
211			}
212	iliev	1308	}