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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) 2005-2009 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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package org.jsampler.view.std; |
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|
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import java.awt.Desktop; |
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import java.awt.Dialog; |
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import java.awt.FileDialog; |
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import java.awt.Frame; |
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import java.awt.Rectangle; |
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import java.awt.Window; |
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|
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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|
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import java.beans.PropertyChangeEvent; |
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import java.beans.PropertyChangeListener; |
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|
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import java.io.File; |
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import java.net.URI; |
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|
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import java.text.NumberFormat; |
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|
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import java.util.Vector; |
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import java.util.logging.Level; |
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|
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import javax.swing.JComboBox; |
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import javax.swing.JFileChooser; |
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import javax.swing.JSlider; |
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import javax.swing.JToolTip; |
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import javax.swing.Popup; |
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import javax.swing.PopupFactory; |
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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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import org.jsampler.CC; |
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import org.jsampler.HF; |
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import org.jsampler.JSPrefs; |
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|
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import org.jsampler.view.JSFileFilter; |
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import static org.jsampler.view.std.StdI18n.i18n; |
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import static org.jsampler.view.std.StdPrefs.*; |
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|
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|
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/** |
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* |
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* @author Grigor Iliev |
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*/ |
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public class StdUtils { |
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|
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/** Forbids the instantiation of this class */ |
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private |
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StdUtils() { } |
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|
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private static JSPrefs |
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preferences() { return CC.getViewConfig().preferences(); } |
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|
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public static JComboBox |
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createEnhancedComboBox() { |
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final JComboBox cb = new JComboBox(); |
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cb.addActionListener(new ActionListener() { |
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public void |
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actionPerformed(ActionEvent e) { |
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if(cb.getSelectedItem() == null) { |
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cb.setToolTipText(null); |
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return; |
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} |
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String s = cb.getSelectedItem().toString(); |
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if(s.length() < 15) cb.setToolTipText(null); |
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else cb.setToolTipText(s); |
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} |
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}); |
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|
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return cb; |
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} |
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|
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public static JComboBox |
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createPathComboBox() { |
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JComboBox cb = createEnhancedComboBox(); |
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cb.setEditable(true); |
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return cb; |
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} |
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|
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/** |
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* Updates the specified string list property by adding the specified |
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* element on the top. Also restricts the maximum number of elements to 12. |
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*/ |
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public static void |
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updateRecentElements(String property, String newElement) { |
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String[] elements = preferences().getStringListProperty(property); |
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Vector<String> v = new Vector<String>(); |
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v.add(newElement); |
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for(String s : elements) { |
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if(!newElement.equals(s)) v.add(s); |
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} |
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if(v.size() > 12) v.setSize(12); |
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|
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elements = v.toArray(new String[v.size()]); |
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preferences().setStringListProperty(property, elements); |
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} |
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|
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public static boolean |
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checkDesktopSupported() { |
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if(Desktop.isDesktopSupported()) return true; |
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|
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String s = i18n.getError("StdUtils.DesktopApiNotSupported"); |
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HF.showErrorMessage(s, CC.getMainFrame()); |
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|
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return false; |
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} |
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|
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public static void |
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browse(String uri) { |
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if(!checkDesktopSupported()) return; |
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|
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try { Desktop.getDesktop().browse(new URI(uri)); } |
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catch(Exception x) { x.printStackTrace(); } |
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} |
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|
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public static void |
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mail(String uri) { |
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if(!StdUtils.checkDesktopSupported()) return; |
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|
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Desktop desktop = Desktop.getDesktop(); |
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|
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try { Desktop.getDesktop().mail(new URI(uri)); } |
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catch(Exception x) { x.printStackTrace(); } |
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} |
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|
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/** |
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* Gets the windows bounds from the preferences for the specified window. |
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* @return The windows bounds saved in the preferences for the specified window |
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* or <code>null</code>. |
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*/ |
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public static Rectangle |
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getWindowBounds(String windowName) { |
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String s = windowName + ".windowSizeAndLocation"; |
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s = CC.preferences().getStringProperty(s, null); |
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if(s == null) return null; |
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|
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try { |
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int i = s.indexOf(','); |
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int x = Integer.parseInt(s.substring(0, i)); |
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|
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s = s.substring(i + 1); |
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i = s.indexOf(','); |
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int y = Integer.parseInt(s.substring(0, i)); |
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|
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s = s.substring(i + 1); |
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i = s.indexOf(','); |
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int width = Integer.parseInt(s.substring(0, i)); |
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|
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s = s.substring(i + 1); |
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int height = Integer.parseInt(s); |
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return new Rectangle(x, y, width, height); |
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} catch(Exception x) { |
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String msg = windowName; |
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msg += ": Parsing of window size and location string failed"; |
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CC.getLogger().log(Level.INFO, msg, x); |
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return null; |
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} |
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} |
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|
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/** |
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* Saves the windows bounds in the preferences for the specified window. |
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*/ |
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public static void |
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saveWindowBounds(String windowName, Rectangle r) { |
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if(r.width < 50 || r.height < 50 || r.x < r.width * -1 || r.y < 0) { |
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CC.getLogger().warning("Invalid window size or location"); |
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return; |
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} |
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|
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StringBuffer sb = new StringBuffer(); |
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sb.append(r.x).append(',').append(r.y).append(','); |
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sb.append(r.width).append(',').append(r.height); |
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String s = windowName + ".windowSizeAndLocation"; |
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CC.preferences().setStringProperty(s, sb.toString()); |
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} |
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|
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public static File |
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showOpenLscpFileChooser() { |
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return showLscpFileChooser(true); |
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} |
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public static File |
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showOpenLscpFileChooser(Window owner) { |
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return showLscpFileChooser(true, owner); |
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} |
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|
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public static File |
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showSaveLscpFileChooser() { |
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return showLscpFileChooser(false); |
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} |
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|
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public static File |
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showSaveLscpFileChooser(Window owner) { |
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return showLscpFileChooser(false, owner); |
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} |
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|
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private static File |
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showLscpFileChooser(boolean openDialog) { |
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return showLscpFileChooser(openDialog, CC.getMainFrame()); |
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} |
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|
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private static File |
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showLscpFileChooser(boolean openDialog, Window owner) { |
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return showFileChooser ( |
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openDialog, owner, false, new JSFileFilter.Lscp(), "lastScriptLocation" |
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); |
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} |
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|
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public static File |
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showSaveMidiMapsChooser() { |
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JSFileFilter filter = new JSFileFilter.MidiMaps(); |
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|
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JSFileFilter[] filters = { |
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new JSFileFilter.Lscp(), new JSFileFilter.Text(), new JSFileFilter.Html() |
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}; |
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return showFileChooser ( |
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false, CC.getMainFrame(), false, filter, filters, "lastScriptLocation" |
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); |
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} |
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|
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public static File |
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showOpenInstrumentFileChooser(Window owner) { |
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return showFileChooser(true, owner, false, null, "lastInstrumentLocation"); |
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} |
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|
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public static File |
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showOpenDirectoryChooser(Window owner, String locationProperty) { |
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return showFileChooser(true, owner, true, null, locationProperty); |
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} |
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|
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private static File |
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showFileChooser ( |
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boolean openDialog, |
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Window owner, |
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boolean dirChooser, |
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JSFileFilter filter, |
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String locationProperty |
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) { |
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JSFileFilter[] filters = (filter == null) ? new JSFileFilter[0] : new JSFileFilter[1]; |
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if(filter != null) filters[0] = filter; |
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return showFileChooser(openDialog, owner, dirChooser, filter, filters, locationProperty); |
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} |
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|
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private static File |
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showFileChooser ( |
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boolean openDialog, |
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Window owner, |
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boolean dirChooser, |
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JSFileFilter filter, |
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JSFileFilter[] choosableFilters, |
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String locationProperty |
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) { |
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boolean nativeFileChooser = preferences().getBoolProperty("nativeFileChoosers"); |
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String oldPath = null; |
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if(locationProperty != null) { |
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oldPath = preferences().getStringProperty(locationProperty); |
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} |
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File f = null; |
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if(nativeFileChooser && CC.isMacOS()) { |
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if(dirChooser) { |
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System.setProperty("apple.awt.fileDialogForDirectories", "true"); |
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} |
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FileDialog dlg; |
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if(owner instanceof Frame) dlg = new FileDialog((Frame)owner); |
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else if(owner instanceof Dialog) dlg = new FileDialog((Dialog)owner); |
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else dlg = new FileDialog(CC.getMainFrame()); |
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dlg.setDirectory(oldPath); |
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dlg.setMode(openDialog ? FileDialog.LOAD : FileDialog.SAVE); |
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if(filter != null) dlg.setFilenameFilter(filter); |
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dlg.setVisible(true); |
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if(dirChooser) { |
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System.setProperty("apple.awt.fileDialogForDirectories", "false"); |
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} |
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if(dlg.getFile() != null) { |
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f = new File(new File(dlg.getDirectory()), dlg.getFile()); |
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} |
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} else { |
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JFileChooser fc = new JFileChooser(oldPath); |
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for(JSFileFilter ff : choosableFilters) { |
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fc.addChoosableFileFilter(ff); |
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} |
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if(choosableFilters.length > 0) fc.setFileFilter(choosableFilters[0]); |
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|
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if(dirChooser) fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); |
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int result; |
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if(openDialog) result = fc.showOpenDialog(owner); |
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else result = fc.showSaveDialog(owner); |
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if(result == JFileChooser.APPROVE_OPTION) { |
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f = fc.getSelectedFile(); |
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} |
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|
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if(result == JFileChooser.APPROVE_OPTION && !openDialog) { |
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Object o = fc.getFileFilter(); |
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for(JSFileFilter ff : choosableFilters) { |
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if(ff == o) { |
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String fn = f.getName().toLowerCase(); |
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String ext = ff.getExtension().toLowerCase(); |
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if(fn.endsWith(ext)) break; |
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|
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fn = f.getAbsolutePath() + ff.getExtension(); |
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f = new File(fn); |
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break; |
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} |
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} |
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} |
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} |
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|
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if(f == null) return null; |
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String path = f.getParent(); |
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if(path != null && locationProperty != null) { |
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preferences().setStringProperty(locationProperty, path); |
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} |
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return f; |
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} |
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|
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public static JSlider |
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createVolumeSlider() { |
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return new VolumeSlider(); |
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} |
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|
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private static class VolumeSlider extends JSlider { |
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private Popup popup = null; |
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private final JToolTip tip = new JToolTip(); |
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private static NumberFormat numberFormat = NumberFormat.getInstance(); |
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|
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VolumeSlider() { |
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super(0, 100, 100); |
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numberFormat.setMaximumFractionDigits(1); |
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// Setting the tooltip size (workaround for preserving that size) |
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boolean b = CC.getViewConfig().isMeasurementUnitDecibel(); |
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if(b) tip.setTipText(i18n.getLabel("StdUtils.volumeDecibels", "-30.0")); |
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else tip.setTipText(i18n.getLabel("StdUtils.volume", "100")); |
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tip.setPreferredSize(tip.getPreferredSize()); |
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tip.setMinimumSize(tip.getPreferredSize()); |
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/////// |
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tip.setComponent(this); |
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tip.setTipText(i18n.getLabel("StdUtils.volume", 0)); |
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|
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updateVolumeInfo(); |
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|
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addMouseListener(new MouseAdapter() { |
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public void |
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mousePressed(MouseEvent e) { |
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if(popup != null) { |
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popup.hide(); |
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popup = null; |
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} |
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|
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if(!VolumeSlider.this.isEnabled()) return; |
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|
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java.awt.Point p = VolumeSlider.this.getLocationOnScreen(); |
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PopupFactory pf = PopupFactory.getSharedInstance(); |
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popup = pf.getPopup(VolumeSlider.this, tip, p.x, p.y - 22); |
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popup.show(); |
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} |
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|
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public void |
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mouseReleased(MouseEvent e) { |
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if(popup != null) { |
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popup.hide(); |
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popup = null; |
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} |
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} |
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}); |
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|
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addChangeListener(new ChangeListener() { |
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public void |
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stateChanged(ChangeEvent e) { updateVolumeInfo(); } |
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}); |
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|
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String s = VOL_MEASUREMENT_UNIT_DECIBEL; |
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preferences().addPropertyChangeListener(s, new PropertyChangeListener() { |
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public void |
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propertyChange(PropertyChangeEvent e) { |
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// We use this to set the size of the lVolume |
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// to prevent the frequent resizing of lVolume component |
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boolean b = CC.getViewConfig().isMeasurementUnitDecibel(); |
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tip.setPreferredSize(null); |
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String s; |
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if(b) s = i18n.getLabel("StdUtils.volumeDecibels", "-30.0"); |
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else s = i18n.getLabel("StdUtils.volume", "100"); |
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tip.setTipText(s); |
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tip.setPreferredSize(tip.getPreferredSize()); |
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tip.setMinimumSize(tip.getPreferredSize()); |
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/////// |
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updateVolumeInfo(); |
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} |
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}); |
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} |
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|
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private void |
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updateVolumeInfo() { |
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String s; |
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if(CC.getViewConfig().isMeasurementUnitDecibel()) { |
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double d = HF.percentsToDecibels(getValue()); |
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s = i18n.getLabel("StdUtils.volumeDecibels", numberFormat.format(d)); |
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} else { |
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s = i18n.getLabel("StdUtils.volume", getValue()); |
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} |
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|
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setToolTipText(s); |
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tip.setTipText(s); |
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tip.repaint(); |
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} |
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} |
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} |
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