src/jalview/gui/FeatureSettings.java

   1 /*\r
   2  * Jalview - A Sequence Alignment Editor and Viewer\r
   3  * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
   4  *\r
   5  * This program is free software; you can redistribute it and/or\r
   6  * modify it under the terms of the GNU General Public License\r
   7  * as published by the Free Software Foundation; either version 2\r
   8  * of the License, or (at your option) any later version.\r
   9  *\r
  10  * This program is distributed in the hope that it will be useful,\r
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  13  * GNU General Public License for more details.\r
  14  *\r
  15  * You should have received a copy of the GNU General Public License\r
  16  * along with this program; if not, write to the Free Software\r
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA\r
  18  */\r
  19 package jalview.gui;\r
  20 \r
  21 import jalview.datamodel.*;\r
  22 import javax.swing.*;\r
  23 import javax.swing.event.*;\r
  24 import java.awt.*;\r
  25 import java.util.*;\r
  26 import javax.swing.BorderFactory;\r
  27 import java.awt.event.*;\r
  28 import javax.swing.table.*;\r
  29 import java.io.*;\r
  30 import jalview.io.JalviewFileChooser;\r
  31 import java.awt.BorderLayout;\r
  32 import java.awt.Font;\r
  33 import java.awt.Color;\r
  34 \r
  35 public class FeatureSettings extends JPanel\r
  36 {\r
  37   DasSourceBrowser dassourceBrowser;\r
  38   jalview.io.DasSequenceFeatureFetcher dasFeatureFetcher;\r
  39   JPanel settingsPane = new JPanel();\r
  40   JPanel dasSettingsPane = new JPanel();\r
  41 \r
  42   final FeatureRenderer fr;\r
  43   public final AlignFrame af;\r
  44   Object [][] originalData;\r
  45   final JInternalFrame frame;\r
  46   JScrollPane scrollPane = new JScrollPane();\r
  47   JTable table;\r
  48   JPanel groupPanel;\r
  49   JSlider transparency = new JSlider();\r
  50 \r
  51   JPanel transPanel = new JPanel(new FlowLayout());\r
  52 \r
  53   public FeatureSettings(AlignFrame af)\r
  54   {\r
  55     this.af = af;\r
  56     fr = af.getFeatureRenderer();\r
  57 \r
  58     transparency.setMaximum( 100 - (int)(fr.transparency*100) ) ;\r
  59 \r
  60    try\r
  61    {\r
  62      jbInit();\r
  63    }\r
  64    catch (Exception ex)\r
  65    {\r
  66      ex.printStackTrace();\r
  67    }\r
  68 \r
  69    table = new JTable();\r
  70    table.getTableHeader().setFont(new Font("Verdana", Font.PLAIN, 12));\r
  71    table.setFont(new Font("Verdana", Font.PLAIN, 12));\r
  72    table.setDefaultRenderer(Color.class,\r
  73                             new ColorRenderer());\r
  74 \r
  75    table.setDefaultEditor(Color.class,\r
  76                           new ColorEditor());\r
  77 \r
  78    table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);\r
  79 \r
  80    table.addMouseListener(new MouseAdapter()\r
  81    {\r
  82      public void mousePressed(MouseEvent evt)\r
  83      {\r
  84        selectedRow = table.rowAtPoint(evt.getPoint());\r
  85      }\r
  86    });\r
  87 \r
  88    table.addMouseMotionListener(new MouseMotionAdapter()\r
  89    {\r
  90      public void mouseDragged(MouseEvent evt)\r
  91      {\r
  92        int newRow = table.rowAtPoint(evt.getPoint());\r
  93        if (newRow != selectedRow\r
  94            && selectedRow != -1\r
  95            && newRow != -1)\r
  96        {\r
  97          Object[] temp = new Object[3];\r
  98          temp[0] = table.getValueAt(selectedRow, 0);\r
  99          temp[1] = table.getValueAt(selectedRow, 1);\r
 100          temp[2] = table.getValueAt(selectedRow, 2);\r
 101 \r
 102          table.setValueAt(table.getValueAt(newRow, 0), selectedRow, 0);\r
 103          table.setValueAt(table.getValueAt(newRow, 1), selectedRow, 1);\r
 104          table.setValueAt(table.getValueAt(newRow, 2), selectedRow, 2);\r
 105 \r
 106          table.setValueAt(temp[0], newRow, 0);\r
 107          table.setValueAt(temp[1], newRow, 1);\r
 108          table.setValueAt(temp[2], newRow, 2);\r
 109 \r
 110          selectedRow = newRow;\r
 111        }\r
 112      }\r
 113    });\r
 114 \r
 115    scrollPane.setViewportView(table);\r
 116 \r
 117     dassourceBrowser = new DasSourceBrowser();\r
 118     dasSettingsPane.add(dassourceBrowser, BorderLayout.CENTER);\r
 119 \r
 120 \r
 121 \r
 122     if (af.getViewport().featuresDisplayed == null || fr.renderOrder==null)\r
 123        fr.findAllFeatures();\r
 124 \r
 125     setTableData();\r
 126 \r
 127     frame = new JInternalFrame();\r
 128     frame.setContentPane(this);\r
 129     Desktop.addInternalFrame(frame, "Sequence Feature Settings", 400, 450);\r
 130     frame.setLayer(JLayeredPane.PALETTE_LAYER);\r
 131   }\r
 132 \r
 133   synchronized public void setTableData()\r
 134   {\r
 135     if (fr.featureGroups == null)\r
 136       fr.featureGroups = new Hashtable();\r
 137 \r
 138     Vector allFeatures = new Vector();\r
 139     Vector allGroups = new Vector();\r
 140     SequenceFeature[] tmpfeatures;\r
 141     String group;\r
 142 \r
 143     for (int i = 0; i < af.getViewport().alignment.getHeight(); i++)\r
 144     {\r
 145       if (af.getViewport().alignment.getSequenceAt(i).getDatasetSequence().getSequenceFeatures() == null)\r
 146         continue;\r
 147 \r
 148       tmpfeatures = af.getViewport().alignment.getSequenceAt(i).getDatasetSequence().getSequenceFeatures();\r
 149 \r
 150       int index = 0;\r
 151       while (index < tmpfeatures.length)\r
 152       {\r
 153         if(tmpfeatures[index].begin == 0 && tmpfeatures[index].end ==0)\r
 154         {\r
 155           index++;\r
 156           continue;\r
 157         }\r
 158 \r
 159         if(tmpfeatures[index].getFeatureGroup()!=null)\r
 160         {\r
 161           group = tmpfeatures[index].featureGroup;\r
 162           if(!allGroups.contains(group))\r
 163            {\r
 164              allGroups.addElement(group);\r
 165 \r
 166              boolean visible = true;\r
 167              if (fr.featureGroups.containsKey(group))\r
 168              {\r
 169                visible = ( (Boolean) fr.featureGroups.get(group)).booleanValue();\r
 170              }\r
 171 \r
 172                if (groupPanel == null)\r
 173                {\r
 174                  groupPanel = new JPanel();\r
 175                }\r
 176 \r
 177                boolean alreadyAdded = false;\r
 178                for(int g=0; g<groupPanel.getComponentCount(); g++)\r
 179                {\r
 180                  if(((JCheckBox)groupPanel.getComponent(g))\r
 181                     .getText().equals(group))\r
 182                  {\r
 183                    alreadyAdded = true;\r
 184                    break;\r
 185                  }\r
 186                }\r
 187 \r
 188                if(alreadyAdded)\r
 189                  continue;\r
 190 \r
 191                fr.featureGroups.put(group, new Boolean(visible));\r
 192 \r
 193                final JCheckBox check = new JCheckBox(group, visible);\r
 194                check.setFont(new Font("Serif", Font.BOLD, 12));\r
 195                check.addItemListener(new ItemListener()\r
 196                {\r
 197                  public void itemStateChanged(ItemEvent evt)\r
 198                  {\r
 199                    fr.featureGroups.put(check.getText(),\r
 200                                         new Boolean(check.isSelected()));\r
 201                    af.alignPanel.seqPanel.seqCanvas.repaint();\r
 202                    if (af.alignPanel.overviewPanel != null)\r
 203                      af.alignPanel.overviewPanel.updateOverviewImage();\r
 204 \r
 205                    resetTable(true);\r
 206                  }\r
 207                });\r
 208                groupPanel.add(check);\r
 209              }\r
 210        }\r
 211 \r
 212        if (!allFeatures.contains(tmpfeatures[index].getType()))\r
 213        {\r
 214            allFeatures.addElement(tmpfeatures[index].getType());\r
 215        }\r
 216        index ++;\r
 217     }\r
 218   }\r
 219 \r
 220      resetTable(false);\r
 221 \r
 222      validate();\r
 223   }\r
 224 \r
 225 \r
 226   void resetTable(boolean groupsChanged)\r
 227   {\r
 228    SequenceFeature [] tmpfeatures;\r
 229    String group=null, type;\r
 230    Vector visibleChecks = new Vector();\r
 231 \r
 232    //Find out which features should be visible depending on which groups\r
 233    //are selected / deselected\r
 234     for (int i = 0; i < af.getViewport().alignment.getHeight(); i++)\r
 235     {\r
 236 \r
 237         tmpfeatures = af.getViewport().alignment.getSequenceAt(i).getDatasetSequence().getSequenceFeatures();\r
 238         if (tmpfeatures == null)\r
 239           continue;\r
 240 \r
 241         int index = 0;\r
 242         while (index < tmpfeatures.length)\r
 243         {\r
 244           group = tmpfeatures[index].featureGroup;\r
 245 \r
 246           if(tmpfeatures[index].begin==0 && tmpfeatures[index].end==0)\r
 247           {\r
 248             index ++;\r
 249             continue;\r
 250           }\r
 251 \r
 252           if (group==null || fr.featureGroups.get(group)==null ||\r
 253               ((Boolean) fr.featureGroups.get(group)).booleanValue())\r
 254           {\r
 255             type = tmpfeatures[index].getType();\r
 256             if(!visibleChecks.contains(type) )\r
 257             {\r
 258               visibleChecks.addElement(type);\r
 259             }\r
 260           }\r
 261           index++;\r
 262         }\r
 263     }\r
 264 \r
 265     int fSize = visibleChecks.size();\r
 266     Object [][] data = new Object[fSize][3];\r
 267     int dataIndex = 0;\r
 268 \r
 269     if(fr.renderOrder!=null)\r
 270     {\r
 271       //First add the checks in the previous render order,\r
 272       //in case the window has been closed and reopened\r
 273       for(int ro=fr.renderOrder.length-1; ro>-1; ro--)\r
 274       {\r
 275            type = fr.renderOrder[ro];\r
 276 \r
 277            if(!visibleChecks.contains(type))\r
 278              continue;\r
 279 \r
 280            data[dataIndex][0] = type;\r
 281            data[dataIndex][1] = fr.getColour(type);\r
 282            data[dataIndex][2] = new Boolean(af.getViewport().featuresDisplayed.containsKey(type));\r
 283            dataIndex++;\r
 284            visibleChecks.removeElement(type);\r
 285       }\r
 286     }\r
 287 \r
 288     fSize = visibleChecks.size();\r
 289     for(int i=0; i<fSize; i++)\r
 290     {\r
 291       //These must be extra features belonging to the group\r
 292       //which was just selected\r
 293       type = visibleChecks.elementAt(i).toString();\r
 294       data[dataIndex][0] = type;\r
 295 \r
 296       data[dataIndex][1] = fr.getColour(type);\r
 297       data[dataIndex][2] = new Boolean(true);\r
 298       dataIndex++;\r
 299     }\r
 300 \r
 301     if(originalData==null)\r
 302     {\r
 303       originalData = new Object[data.length][3];\r
 304       System.arraycopy(data,0,originalData,0,data.length);\r
 305     }\r
 306 \r
 307     table.setModel(new FeatureTableModel(data));\r
 308     table.getColumnModel().getColumn(0).setPreferredWidth(200);\r
 309 \r
 310 \r
 311     if (groupPanel != null)\r
 312     {\r
 313       groupPanel.setLayout(\r
 314           new GridLayout(fr.featureGroups.size() / 4 + 1, 4));\r
 315 \r
 316       groupPanel.validate();\r
 317       bigPanel.add(groupPanel, BorderLayout.NORTH);\r
 318     }\r
 319 \r
 320     updateFeatureRenderer(data);\r
 321 \r
 322   }\r
 323 \r
 324   void load()\r
 325   {\r
 326     JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty(\r
 327                  "LAST_DIRECTORY"), new String[] { "fc" },\r
 328              new String[] { "Sequence Feature Colours" }, "Sequence Feature Colours");\r
 329      chooser.setFileView(new jalview.io.JalviewFileView());\r
 330      chooser.setDialogTitle("Load Feature Colours");\r
 331      chooser.setToolTipText("Load");\r
 332 \r
 333      int value = chooser.showOpenDialog(this);\r
 334 \r
 335      if (value == JalviewFileChooser.APPROVE_OPTION)\r
 336      {\r
 337        File file = chooser.getSelectedFile();\r
 338 \r
 339        try\r
 340        {\r
 341          InputStreamReader in = new InputStreamReader(new FileInputStream(\r
 342              file), "UTF-8");\r
 343 \r
 344          jalview.binding.JalviewUserColours jucs = new jalview.binding.\r
 345              JalviewUserColours();\r
 346          jucs = (jalview.binding.JalviewUserColours) jucs.unmarshal(in);\r
 347 \r
 348 \r
 349          for (int i = 0; i < jucs.getColourCount(); i++)\r
 350          {\r
 351            fr.setColour( jucs.getColour(i).getName(),\r
 352                           new Color(Integer.parseInt( jucs.getColour(i).getRGB(), 16)));\r
 353          }\r
 354 \r
 355          setTableData();\r
 356          af.alignPanel.repaint();\r
 357        }\r
 358        catch (Exception ex)\r
 359        {\r
 360          System.out.println("Error loading User Colour File\n" + ex);\r
 361        }\r
 362      }\r
 363   }\r
 364 \r
 365   void save()\r
 366   {\r
 367     JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty(\r
 368                 "LAST_DIRECTORY"), new String[] { "fc" },\r
 369             new String[] { "Sequence Feature Colours" }, "Sequence Feature Colours");\r
 370     chooser.setFileView(new jalview.io.JalviewFileView());\r
 371     chooser.setDialogTitle("Save Feature Colour Scheme");\r
 372     chooser.setToolTipText("Save");\r
 373 \r
 374     int value = chooser.showSaveDialog(this);\r
 375 \r
 376     if (value == JalviewFileChooser.APPROVE_OPTION)\r
 377     {\r
 378         String choice = chooser.getSelectedFile().getPath();\r
 379         jalview.binding.JalviewUserColours ucs = new jalview.binding.JalviewUserColours();\r
 380         ucs.setSchemeName("Sequence Features");\r
 381         try\r
 382         {\r
 383             PrintWriter out = new PrintWriter(new OutputStreamWriter(\r
 384                         new FileOutputStream(choice), "UTF-8"));\r
 385 \r
 386             Enumeration e = fr.featureColours.keys();\r
 387            while(e.hasMoreElements())\r
 388            {\r
 389                 jalview.binding.Colour col = new jalview.binding.Colour();\r
 390                 col.setName(e.nextElement().toString());\r
 391                 col.setRGB(jalview.util.Format.getHexString(\r
 392                         fr.getColour(col.getName())));\r
 393                 ucs.addColour(col);\r
 394             }\r
 395 \r
 396             ucs.marshal(out);\r
 397             out.close();\r
 398         }\r
 399         catch (Exception ex)\r
 400         {\r
 401             ex.printStackTrace();\r
 402         }\r
 403     }\r
 404   }\r
 405 \r
 406   public void invertSelection()\r
 407   {\r
 408     for(int i=0; i<table.getRowCount(); i++)\r
 409     {\r
 410       Boolean value = (Boolean)table.getValueAt(i,2);\r
 411 \r
 412       table.setValueAt(\r
 413           new Boolean(!value.booleanValue()),\r
 414                        i,2);\r
 415     }\r
 416   }\r
 417 \r
 418   public void close()\r
 419   {\r
 420     try\r
 421     {\r
 422       frame.setClosed(true);\r
 423     }\r
 424     catch (Exception exe)\r
 425     {}\r
 426 \r
 427   }\r
 428 \r
 429   public void updateFeatureRenderer(Object [][] data)\r
 430   {\r
 431     fr.setFeaturePriority( data );\r
 432     af.alignPanel.repaint();\r
 433 \r
 434     if(af.alignPanel.overviewPanel!=null)\r
 435       af.alignPanel.overviewPanel.updateOverviewImage();\r
 436   }\r
 437 \r
 438   int selectedRow =-1;\r
 439   JTabbedPane tabbedPane = new JTabbedPane();\r
 440   BorderLayout borderLayout1 = new BorderLayout();\r
 441   BorderLayout borderLayout2 = new BorderLayout();\r
 442   BorderLayout borderLayout3 = new BorderLayout();\r
 443   JPanel bigPanel = new JPanel();\r
 444   BorderLayout borderLayout4 = new BorderLayout();\r
 445   JButton invert = new JButton();\r
 446   JPanel buttonPanel = new JPanel();\r
 447   JButton cancel = new JButton();\r
 448   JButton ok = new JButton();\r
 449   JButton loadColours = new JButton();\r
 450   JButton saveColours = new JButton();\r
 451   JPanel dasButtonPanel = new JPanel();\r
 452   JButton fetchDAS = new JButton();\r
 453   JButton saveDAS = new JButton();\r
 454   JButton cancelDAS = new JButton();\r
 455   private void jbInit()\r
 456       throws Exception\r
 457   {\r
 458     this.setLayout(borderLayout1);\r
 459     settingsPane.setLayout(borderLayout2);\r
 460     dasSettingsPane.setLayout(borderLayout3);\r
 461     bigPanel.setLayout(borderLayout4);\r
 462     invert.setFont(new java.awt.Font("Verdana", Font.PLAIN, 11));\r
 463     invert.setText("Invert Selection");\r
 464     invert.addActionListener(new ActionListener()\r
 465     {\r
 466       public void actionPerformed(ActionEvent e)\r
 467       {\r
 468         invertSelection();\r
 469       }\r
 470     });\r
 471     cancel.setFont(new java.awt.Font("Verdana", Font.PLAIN, 11));\r
 472     cancel.setText("Cancel");\r
 473     cancel.addActionListener(new ActionListener()\r
 474     {\r
 475       public void actionPerformed(ActionEvent e)\r
 476       {\r
 477           updateFeatureRenderer(originalData);\r
 478           close();\r
 479       }\r
 480     });\r
 481     ok.setFont(new java.awt.Font("Verdana", Font.PLAIN, 11));\r
 482     ok.setText("OK");\r
 483     ok.addActionListener(new ActionListener()\r
 484     {\r
 485       public void actionPerformed(ActionEvent e)\r
 486       {\r
 487         close();\r
 488       }\r
 489     });\r
 490     loadColours.setFont(new java.awt.Font("Verdana", Font.PLAIN, 11));\r
 491     loadColours.setText("Load Colours");\r
 492     loadColours.addActionListener(new ActionListener()\r
 493     {\r
 494       public void actionPerformed(ActionEvent e)\r
 495       {\r
 496         load();\r
 497       }\r
 498     });\r
 499     saveColours.setFont(new java.awt.Font("Verdana", Font.PLAIN, 11));\r
 500     saveColours.setText("Save Colours");\r
 501     saveColours.addActionListener(new ActionListener()\r
 502     {\r
 503       public void actionPerformed(ActionEvent e)\r
 504       {\r
 505         save();\r
 506       }\r
 507     });\r
 508     transparency.addChangeListener(new ChangeListener()\r
 509     {\r
 510       public void stateChanged(ChangeEvent evt)\r
 511       {\r
 512         fr.setTransparency( (float) (100 - transparency.getValue()) / 100f);\r
 513         af.alignPanel.repaint();\r
 514       }\r
 515     });\r
 516 \r
 517 \r
 518     transparency.setMaximum(70);\r
 519     fetchDAS.setText("Fetch DAS Features");\r
 520     fetchDAS.addActionListener(new ActionListener()\r
 521     {\r
 522       public void actionPerformed(ActionEvent e)\r
 523       {\r
 524         fetchDAS_actionPerformed(e);\r
 525       }\r
 526     });\r
 527     saveDAS.setText("Save as default");\r
 528     saveDAS.addActionListener(new ActionListener()\r
 529     {\r
 530       public void actionPerformed(ActionEvent e)\r
 531       {\r
 532         saveDAS_actionPerformed(e);\r
 533       }\r
 534     });\r
 535     dasButtonPanel.setBorder(BorderFactory.createEtchedBorder());\r
 536     dasSettingsPane.setBorder(null);\r
 537     cancelDAS.setEnabled(false);\r
 538     cancelDAS.setText("Cancel Fetch");\r
 539     cancelDAS.addActionListener(new ActionListener()\r
 540     {\r
 541       public void actionPerformed(ActionEvent e)\r
 542       {\r
 543         cancelDAS_actionPerformed(e);\r
 544       }\r
 545     });\r
 546     this.add(tabbedPane, java.awt.BorderLayout.CENTER);\r
 547     tabbedPane.addTab("Feature Settings", settingsPane );\r
 548     tabbedPane.addTab("DAS Settings", dasSettingsPane);\r
 549     bigPanel.add(transPanel, java.awt.BorderLayout.SOUTH);\r
 550     transPanel.add(transparency);\r
 551     transPanel.add(invert);\r
 552     buttonPanel.add(ok);\r
 553     buttonPanel.add(cancel);\r
 554     buttonPanel.add(loadColours);\r
 555     buttonPanel.add(saveColours);\r
 556     bigPanel.add(scrollPane, java.awt.BorderLayout.CENTER);\r
 557     dasSettingsPane.add(dasButtonPanel, java.awt.BorderLayout.SOUTH);\r
 558     dasButtonPanel.add(fetchDAS);\r
 559     dasButtonPanel.add(cancelDAS);\r
 560     dasButtonPanel.add(saveDAS);\r
 561     settingsPane.add(bigPanel, java.awt.BorderLayout.CENTER);\r
 562     settingsPane.add(buttonPanel, java.awt.BorderLayout.SOUTH);\r
 563   }\r
 564 \r
 565   public void fetchDAS_actionPerformed(ActionEvent e)\r
 566   {\r
 567     fetchDAS.setEnabled(false);\r
 568     cancelDAS.setEnabled(true);\r
 569     Vector selectedSources = dassourceBrowser.getSelectedSources();\r
 570 \r
 571     SequenceI [] dataset, seqs ;\r
 572     int iSize;\r
 573 \r
 574     if(af.getViewport().getSelectionGroup()!=null\r
 575       && af.getViewport().getSelectionGroup().getSize(false)>0)\r
 576     {\r
 577       iSize = af.getViewport().getSelectionGroup().getSize(false);\r
 578       dataset = new SequenceI[iSize];\r
 579       seqs = af.getViewport().getSelectionGroup().\r
 580           getSequencesInOrder(\r
 581               af.getViewport().getAlignment());\r
 582     }\r
 583     else\r
 584     {\r
 585        iSize = af.getViewport().getAlignment().getHeight();\r
 586        seqs = af.getViewport().getAlignment().getSequencesArray();\r
 587     }\r
 588 \r
 589     dataset = new SequenceI[iSize];\r
 590     for (int i = 0; i < iSize; i++)\r
 591     {\r
 592       dataset[i] = seqs[i].getDatasetSequence();\r
 593     }\r
 594 \r
 595     dasFeatureFetcher =\r
 596         new jalview.io.DasSequenceFeatureFetcher(\r
 597         dataset,\r
 598         this,\r
 599         selectedSources);\r
 600 \r
 601     af.getViewport().setShowSequenceFeatures(true);\r
 602     af.showSeqFeatures.setSelected(true);\r
 603   }\r
 604 \r
 605   public void saveDAS_actionPerformed(ActionEvent e)\r
 606   {\r
 607     dassourceBrowser.saveProperties(jalview.bin.Cache.applicationProperties);\r
 608   }\r
 609 \r
 610   public void complete()\r
 611   {\r
 612     fetchDAS.setEnabled(true);\r
 613     cancelDAS.setEnabled(false);\r
 614   }\r
 615 \r
 616   public void cancelDAS_actionPerformed(ActionEvent e)\r
 617   {\r
 618     dasFeatureFetcher.cancel();\r
 619     fetchDAS.setEnabled(true);\r
 620     cancelDAS.setEnabled(false);\r
 621   }\r
 622 \r
 623   /////////////////////////////////////////////////////////////////////////\r
 624   // http://java.sun.com/docs/books/tutorial/uiswing/components/table.html\r
 625   /////////////////////////////////////////////////////////////////////////\r
 626   class FeatureTableModel\r
 627       extends AbstractTableModel\r
 628   {\r
 629     FeatureTableModel(Object[][] data)\r
 630     {\r
 631       this.data = data;\r
 632     }\r
 633 \r
 634     private String[] columnNames = {"Feature Type", "Colour","Display"};\r
 635           private Object[][] data;\r
 636 \r
 637           public Object[][] getData()\r
 638           {\r
 639             return data;\r
 640           }\r
 641 \r
 642           public void setData(Object[][] data)\r
 643           {\r
 644             this.data = data;\r
 645           }\r
 646 \r
 647           public int getColumnCount() {\r
 648               return columnNames.length;\r
 649           }\r
 650 \r
 651           public Object[] getRow(int row)\r
 652           {\r
 653             return data[row];\r
 654           }\r
 655 \r
 656           public int getRowCount() {\r
 657               return data.length;\r
 658           }\r
 659 \r
 660           public String getColumnName(int col) {\r
 661               return columnNames[col];\r
 662           }\r
 663 \r
 664           public Object getValueAt(int row, int col) {\r
 665               return data[row][col];\r
 666           }\r
 667 \r
 668           public Class getColumnClass(int c) {\r
 669               return getValueAt(0, c).getClass();\r
 670           }\r
 671 \r
 672           public boolean isCellEditable(int row, int col) {\r
 673               return col==0 ? false:true;\r
 674           }\r
 675 \r
 676           public void setValueAt(Object value, int row, int col) {\r
 677               data[row][col] = value;\r
 678               fireTableCellUpdated(row, col);\r
 679               updateFeatureRenderer(data);\r
 680           }\r
 681 \r
 682     }\r
 683     class ColorRenderer extends JLabel\r
 684                               implements TableCellRenderer {\r
 685        javax.swing.border.Border unselectedBorder = null;\r
 686        javax.swing.border.Border selectedBorder = null;\r
 687 \r
 688        public ColorRenderer() {\r
 689            setOpaque(true); //MUST do this for background to show up.\r
 690        }\r
 691 \r
 692        public Component getTableCellRendererComponent(\r
 693                                JTable table, Object color,\r
 694                                boolean isSelected, boolean hasFocus,\r
 695                                int row, int column) {\r
 696            Color newColor = (Color)color;\r
 697            setBackground(newColor);\r
 698                if (isSelected) {\r
 699                    if (selectedBorder == null) {\r
 700                        selectedBorder = BorderFactory.createMatteBorder(2,5,2,5,\r
 701                                                  table.getSelectionBackground());\r
 702                    }\r
 703                    setBorder(selectedBorder);\r
 704                } else {\r
 705                    if (unselectedBorder == null) {\r
 706                        unselectedBorder = BorderFactory.createMatteBorder(2,5,2,5,\r
 707                                                  table.getBackground());\r
 708                    }\r
 709                    setBorder(unselectedBorder);\r
 710                }\r
 711 \r
 712            setToolTipText("RGB value: " + newColor.getRed() + ", "\r
 713                                         + newColor.getGreen() + ", "\r
 714                                         + newColor.getBlue());\r
 715            return this;\r
 716        }\r
 717    }\r
 718 }\r
 719 \r
 720  class ColorEditor extends AbstractCellEditor\r
 721                           implements TableCellEditor,\r
 722                                      ActionListener {\r
 723      Color currentColor;\r
 724      JButton button;\r
 725      JColorChooser colorChooser;\r
 726      JDialog dialog;\r
 727      protected static final String EDIT = "edit";\r
 728 \r
 729      public ColorEditor() {\r
 730          //Set up the editor (from the table's point of view),\r
 731          //which is a button.\r
 732          //This button brings up the color chooser dialog,\r
 733          //which is the editor from the user's point of view.\r
 734          button = new JButton();\r
 735          button.setActionCommand(EDIT);\r
 736          button.addActionListener(this);\r
 737          button.setBorderPainted(false);\r
 738          //Set up the dialog that the button brings up.\r
 739          colorChooser = new JColorChooser();\r
 740          dialog = JColorChooser.createDialog(button,\r
 741                                          "Select new Colour",\r
 742                                          true,  //modal\r
 743                                          colorChooser,\r
 744                                          this,  //OK button handler\r
 745                                          null); //no CANCEL button handler\r
 746      }\r
 747 \r
 748      /**\r
 749       * Handles events from the editor button and from\r
 750       * the dialog's OK button.\r
 751       */\r
 752      public void actionPerformed(ActionEvent e) {\r
 753 \r
 754           if (EDIT.equals(e.getActionCommand())) {\r
 755              //The user has clicked the cell, so\r
 756              //bring up the dialog.\r
 757              button.setBackground(currentColor);\r
 758              colorChooser.setColor(currentColor);\r
 759              dialog.setVisible(true);\r
 760 \r
 761              //Make the renderer reappear.\r
 762              fireEditingStopped();\r
 763 \r
 764          } else { //User pressed dialog's "OK" button.\r
 765              currentColor = colorChooser.getColor();\r
 766          }\r
 767      }\r
 768 \r
 769      //Implement the one CellEditor method that AbstractCellEditor doesn't.\r
 770      public Object getCellEditorValue() {\r
 771          return currentColor;\r
 772      }\r
 773 \r
 774      //Implement the one method defined by TableCellEditor.\r
 775      public Component getTableCellEditorComponent(JTable table,\r
 776                                                   Object value,\r
 777                                                   boolean isSelected,\r
 778                                                   int row,\r
 779                                                   int column) {\r
 780          currentColor = (Color)value;\r
 781          return button;\r
 782      }\r
 783 }\r