tim/prune/gui/MenuManager.java

   1 package tim.prune.gui;
   2
   3 import java.awt.event.ActionEvent;
   4 import java.awt.event.ActionListener;
   5 import java.awt.event.InputEvent;
   6 import java.awt.event.KeyEvent;
   7
   8 import javax.swing.JFrame;
   9 import javax.swing.JMenu;
  10 import javax.swing.JMenuBar;
  11 import javax.swing.JMenuItem;
  12 import javax.swing.KeyStroke;
  13
  14 import tim.prune.App;
  15 import tim.prune.DataSubscriber;
  16 import tim.prune.I18nManager;
  17 import tim.prune.data.Selection;
  18 import tim.prune.data.Track;
  19 import tim.prune.data.TrackInfo;
  20
  21 /**
  22  * Class to manage the menu bar,
  23  * including enabling and disabling the menu items
  24  */
  25 public class MenuManager implements DataSubscriber
  26 {
  27         private JFrame _parent = null;
  28         private App _app = null;
  29         private Track _track = null;
  30         private Selection _selection = null;
  31
  32         // Menu items which need enabling/disabling
  33         JMenuItem _saveItem = null;
  34         JMenuItem _exportItem = null;
  35         JMenuItem _undoItem = null;
  36         JMenuItem _clearUndoItem = null;
  37         JMenuItem _deletePointItem = null;
  38         JMenuItem _deleteRangeItem = null;
  39         JMenuItem _deleteDuplicatesItem = null;
  40         JMenuItem _compressItem = null;
  41         JMenuItem _interpolateItem = null;
  42         JMenuItem _selectAllItem = null;
  43         JMenuItem _selectNoneItem = null;
  44         JMenuItem _show3dItem = null;
  45         JMenuItem _reverseItem = null;
  46         JMenu     _rearrangeMenu = null;
  47         JMenuItem _rearrangeStartItem = null;
  48         JMenuItem _rearrangeEndItem = null;
  49         JMenuItem _rearrangeNearestItem = null;
  50
  51
  52         /**
  53          * Constructor
  54          * @param inParent parent object for dialogs
  55          * @param inApp application to call on menu actions
  56          */
  57         public MenuManager(JFrame inParent, App inApp, TrackInfo inTrackInfo)
  58         {
  59                 _parent = inParent;
  60                 _app = inApp;
  61                 _track = inTrackInfo.getTrack();
  62                 _selection = inTrackInfo.getSelection();
  63         }
  64
  65
  66         /**
  67          * Create a JMenuBar containing all menu items
  68          * @return JMenuBar
  69          */
  70         public JMenuBar createMenuBar()
  71         {
  72                 JMenuBar menubar = new JMenuBar();
  73                 JMenu fileMenu = new JMenu(I18nManager.getText("menu.file"));
  74                 JMenuItem openMenuItem = new JMenuItem(I18nManager.getText("menu.file.open"));
  75                 openMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_DOWN_MASK));
  76                 openMenuItem.addActionListener(new ActionListener() {
  77                         public void actionPerformed(ActionEvent e)
  78                         {
  79                                 _app.openFile();
  80                         }
  81                 });
  82                 fileMenu.add(openMenuItem);
  83                 _saveItem = new JMenuItem(I18nManager.getText("menu.file.save"), KeyEvent.VK_S);
  84                 _saveItem.addActionListener(new ActionListener() {
  85                         public void actionPerformed(ActionEvent e)
  86                         {
  87                                 _app.saveFile();
  88                         }
  89                 });
  90                 _saveItem.setEnabled(false);
  91                 fileMenu.add(_saveItem);
  92                 // Export
  93                 _exportItem = new JMenuItem(I18nManager.getText("menu.file.export"));
  94                 _exportItem.addActionListener(new ActionListener() {
  95                         public void actionPerformed(ActionEvent e)
  96                         {
  97                                 _app.exportKml();
  98                         }
  99                 });
 100                 _exportItem.setEnabled(false);
 101                 fileMenu.add(_exportItem);
 102                 fileMenu.addSeparator();
 103                 JMenuItem exitMenuItem = new JMenuItem(I18nManager.getText("menu.file.exit"));
 104                 exitMenuItem.addActionListener(new ActionListener() {
 105                         public void actionPerformed(ActionEvent e)
 106                         {
 107                                 _app.exit();
 108                         }
 109                 });
 110                 fileMenu.add(exitMenuItem);
 111                 menubar.add(fileMenu);
 112                 JMenu editMenu = new JMenu(I18nManager.getText("menu.edit"));
 113                 editMenu.setMnemonic(KeyEvent.VK_E);
 114                 _undoItem = new JMenuItem(I18nManager.getText("menu.edit.undo"));
 115                 _undoItem.addActionListener(new ActionListener() {
 116                         public void actionPerformed(ActionEvent e)
 117                         {
 118                                 _app.beginUndo();
 119                         }
 120                 });
 121                 _undoItem.setEnabled(false);
 122                 editMenu.add(_undoItem);
 123                 _clearUndoItem = new JMenuItem(I18nManager.getText("menu.edit.clearundo"));
 124                 _clearUndoItem.addActionListener(new ActionListener() {
 125                         public void actionPerformed(ActionEvent e)
 126                         {
 127                                 _app.clearUndo();
 128                         }
 129                 });
 130                 _clearUndoItem.setEnabled(false);
 131                 editMenu.add(_clearUndoItem);
 132                 editMenu.addSeparator();
 133                 _deletePointItem = new JMenuItem(I18nManager.getText("menu.edit.deletepoint"));
 134                 _deletePointItem.addActionListener(new ActionListener() {
 135                         public void actionPerformed(ActionEvent e)
 136                         {
 137                                 _app.deleteCurrentPoint();
 138                         }
 139                 });
 140                 _deletePointItem.setEnabled(false);
 141                 editMenu.add(_deletePointItem);
 142                 _deleteRangeItem = new JMenuItem(I18nManager.getText("menu.edit.deleterange"));
 143                 _deleteRangeItem.addActionListener(new ActionListener() {
 144                         public void actionPerformed(ActionEvent e)
 145                         {
 146                                 _app.deleteSelectedRange();
 147                         }
 148                 });
 149                 _deleteRangeItem.setEnabled(false);
 150                 editMenu.add(_deleteRangeItem);
 151                 _deleteDuplicatesItem = new JMenuItem(I18nManager.getText("menu.edit.deleteduplicates"));
 152                 _deleteDuplicatesItem.addActionListener(new ActionListener() {
 153                         public void actionPerformed(ActionEvent e)
 154                         {
 155                                 _app.deleteDuplicates();
 156                         }
 157                 });
 158                 _deleteDuplicatesItem.setEnabled(false);
 159                 editMenu.add(_deleteDuplicatesItem);
 160                 _compressItem = new JMenuItem(I18nManager.getText("menu.edit.compress"));
 161                 _compressItem.addActionListener(new ActionListener() {
 162                         public void actionPerformed(ActionEvent e)
 163                         {
 164                                 _app.compressTrack();
 165                         }
 166                 });
 167                 _compressItem.setEnabled(false);
 168                 editMenu.add(_compressItem);
 169                 editMenu.addSeparator();
 170                 _interpolateItem = new JMenuItem(I18nManager.getText("menu.edit.interpolate"));
 171                 _interpolateItem.addActionListener(new ActionListener() {
 172                         public void actionPerformed(ActionEvent e)
 173                         {
 174                                 _app.interpolateSelection();
 175                         }
 176                 });
 177                 _interpolateItem.setEnabled(false);
 178                 editMenu.add(_interpolateItem);
 179                 _reverseItem = new JMenuItem(I18nManager.getText("menu.edit.reverse"));
 180                 _reverseItem.addActionListener(new ActionListener() {
 181                         public void actionPerformed(ActionEvent e)
 182                         {
 183                                 _app.reverseRange();
 184                         }
 185                 });
 186                 _reverseItem.setEnabled(false);
 187                 editMenu.add(_reverseItem);
 188                 // Rearrange waypoints
 189                 _rearrangeMenu = new JMenu(I18nManager.getText("menu.edit.rearrange"));
 190                 _rearrangeMenu.setEnabled(false);
 191                 _rearrangeStartItem = new JMenuItem(I18nManager.getText("menu.edit.rearrange.start"));
 192                 _rearrangeStartItem.addActionListener(new ActionListener() {
 193                         public void actionPerformed(ActionEvent e)
 194                         {
 195                                 _app.rearrangeWaypoints(App.REARRANGE_TO_START);
 196                         }
 197                 });
 198                 _rearrangeStartItem.setEnabled(true);
 199                 _rearrangeMenu.add(_rearrangeStartItem);
 200                 _rearrangeEndItem = new JMenuItem(I18nManager.getText("menu.edit.rearrange.end"));
 201                 _rearrangeEndItem.addActionListener(new ActionListener() {
 202                         public void actionPerformed(ActionEvent e)
 203                         {
 204                                 _app.rearrangeWaypoints(App.REARRANGE_TO_END);
 205                         }
 206                 });
 207                 _rearrangeEndItem.setEnabled(true);
 208                 _rearrangeMenu.add(_rearrangeEndItem);
 209                 _rearrangeNearestItem = new JMenuItem(I18nManager.getText("menu.edit.rearrange.nearest"));
 210                 _rearrangeNearestItem.addActionListener(new ActionListener() {
 211                         public void actionPerformed(ActionEvent e)
 212                         {
 213                                 _app.rearrangeWaypoints(App.REARRANGE_TO_NEAREST);
 214                         }
 215                 });
 216                 _rearrangeNearestItem.setEnabled(true);
 217                 _rearrangeMenu.add(_rearrangeNearestItem);
 218                 editMenu.add(_rearrangeMenu);
 219                 menubar.add(editMenu);
 220
 221                 // Select menu
 222                 JMenu selectMenu = new JMenu(I18nManager.getText("menu.select"));
 223                 _selectAllItem = new JMenuItem(I18nManager.getText("menu.select.all"));
 224                 _selectAllItem.setEnabled(false);
 225                 _selectAllItem.addActionListener(new ActionListener() {
 226                         public void actionPerformed(ActionEvent e)
 227                         {
 228                                 _app.selectAll();
 229                         }
 230                 });
 231                 selectMenu.add(_selectAllItem);
 232                 _selectNoneItem = new JMenuItem(I18nManager.getText("menu.select.none"));
 233                 _selectNoneItem.setEnabled(false);
 234                 _selectNoneItem.addActionListener(new ActionListener() {
 235                         public void actionPerformed(ActionEvent e)
 236                         {
 237                                 _app.selectNone();
 238                         }
 239                 });
 240                 selectMenu.add(_selectNoneItem);
 241                 menubar.add(selectMenu);
 242
 243                 // Add 3d menu if available
 244                 if (isJava3dEnabled())
 245                 {
 246                         JMenu threeDMenu = new JMenu(I18nManager.getText("menu.3d"));
 247                         _show3dItem = new JMenuItem(I18nManager.getText("menu.3d.show3d"));
 248                         _show3dItem.addActionListener(new ActionListener() {
 249                                 public void actionPerformed(ActionEvent e)
 250                                 {
 251                                         _app.show3dWindow();
 252                                 }
 253                         });
 254                         _show3dItem.setEnabled(false);
 255                         threeDMenu.add(_show3dItem);
 256                         menubar.add(threeDMenu);
 257                 }
 258
 259                 // Help menu for About
 260                 JMenu helpMenu = new JMenu(I18nManager.getText("menu.help"));
 261                 JMenuItem aboutItem = new JMenuItem(I18nManager.getText("menu.help.about"));
 262                 aboutItem.addActionListener(new ActionListener() {
 263                         public void actionPerformed(ActionEvent e)
 264                         {
 265                                 new AboutScreen(_parent).show();
 266                         }
 267                 });
 268                 helpMenu.add(aboutItem);
 269                 menubar.add(helpMenu);
 270
 271                 return menubar;
 272         }
 273
 274
 275         /**
 276          * Method to update menu when file loaded
 277          */
 278         public void informFileLoaded()
 279         {
 280                 // save, undo, delete enabled
 281                 _saveItem.setEnabled(true);
 282                 _undoItem.setEnabled(true);
 283                 _deleteDuplicatesItem.setEnabled(true);
 284                 _compressItem.setEnabled(true);
 285         }
 286
 287
 288         /**
 289          * @return true if 3d capability is installed
 290          */
 291         private static boolean isJava3dEnabled()
 292         {
 293                 boolean has3d = false;
 294                 try
 295                 {
 296                         Class universeClass = Class.forName("com.sun.j3d.utils.universe.SimpleUniverse");
 297                         has3d = true;
 298                 }
 299                 catch (ClassNotFoundException e)
 300                 {
 301                         // no java3d classes available
 302                 }
 303                 return has3d;
 304         }
 305
 306
 307         /**
 308          * @see tim.prune.DataSubscriber#dataUpdated(tim.prune.data.Track)
 309          */
 310         public void dataUpdated()
 311         {
 312                 boolean hasData = (_track != null && _track.getNumPoints() > 0);
 313                 // set functions which require data
 314                 _saveItem.setEnabled(hasData);
 315                 _exportItem.setEnabled(hasData);
 316                 _deleteDuplicatesItem.setEnabled(hasData);
 317                 _compressItem.setEnabled(hasData);
 318                 _rearrangeMenu.setEnabled(hasData && _track.hasMixedData());
 319                 _selectAllItem.setEnabled(hasData);
 320                 _selectNoneItem.setEnabled(hasData);
 321                 if (_show3dItem != null)
 322                         _show3dItem.setEnabled(hasData);
 323                 // is undo available?
 324                 boolean hasUndo = !_app.getUndoStack().isEmpty();
 325                 _undoItem.setEnabled(hasUndo);
 326                 _clearUndoItem.setEnabled(hasUndo);
 327                 // is there a current point?
 328                 boolean hasPoint = (hasData && _selection.getCurrentPointIndex() >= 0);
 329                 _deletePointItem.setEnabled(hasPoint);
 330                 // is there a current range?
 331                 boolean hasRange = (hasData && _selection.hasRangeSelected());
 332                 _deleteRangeItem.setEnabled(hasRange);
 333                 _interpolateItem.setEnabled(hasRange
 334                         && (_selection.getEnd() - _selection.getStart()) == 1);
 335                 _reverseItem.setEnabled(hasRange);
 336         }
 337 }