No need for minorSpacing
[jalview.git] / src / jalview / gui / AlignFrame.java
index d2b5fc8..ccf7303 100755 (executable)
@@ -34,6 +34,7 @@ import jalview.io.*;
 import jalview.jbgui.*;\r
 import jalview.schemes.*;\r
 import jalview.ws.*;\r
+import java.awt.dnd.*;\r
 \r
 \r
 /**\r
@@ -43,7 +44,7 @@ import jalview.ws.*;
  * @version $Revision$\r
  */\r
 public class AlignFrame\r
-    extends GAlignFrame implements ClipboardOwner\r
+    extends GAlignFrame implements ClipboardOwner, DropTargetListener\r
 {\r
   /** DOCUMENT ME!! */\r
   public static final int NEW_WINDOW_WIDTH = 700;\r
@@ -73,6 +74,7 @@ public class AlignFrame
     viewport = new AlignViewport(al);\r
     viewports.add(viewport);\r
 \r
+    this.setDropTarget(new java.awt.dnd.DropTarget(this, this));\r
 \r
     if(viewport.vconsensus==null)\r
     {\r
@@ -172,18 +174,13 @@ public class AlignFrame
   public void setGUINucleotide(boolean nucleotide)\r
   {\r
     showTranslation.setVisible( nucleotide );\r
-    sequenceFeatures.setVisible(!nucleotide );\r
-    featureSettings.setVisible( !nucleotide );\r
+    //sequenceFeatures.setVisible(!nucleotide );\r
+    //featureSettings.setVisible( !nucleotide );\r
     conservationMenuItem.setVisible( !nucleotide );\r
     modifyConservation.setVisible(   !nucleotide );\r
 \r
-    //Deal with separators\r
     //Remember AlignFrame always starts as protein\r
-    if(nucleotide)\r
-    {\r
-      viewMenu.remove(viewMenu.getItemCount()-2);\r
-    }\r
-    else\r
+    if(!nucleotide)\r
     {\r
       calculateMenu.remove(calculateMenu.getItemCount()-2);\r
     }\r
@@ -199,99 +196,10 @@ public class AlignFrame
   }\r
 \r
 \r
-  /**\r
-   * DOCUMENT ME!\r
-   *\r
-   * @param String DOCUMENT ME!\r
-   */\r
-\r
-  public void parseGroupsFile(String file)\r
-  {\r
-    try\r
-    {\r
-      BufferedReader in = new BufferedReader(new FileReader(file));\r
-      SequenceI seq = null;\r
-      String line, type, desc, token;\r
-\r
-      int index, start, end;\r
-      StringTokenizer st;\r
-      SequenceFeature sf;\r
-      FeatureRenderer fr = alignPanel.seqPanel.seqCanvas.getFeatureRenderer();\r
-      int lineNo = 0;\r
-      while ( (line = in.readLine()) != null)\r
-      {\r
-        lineNo++;\r
-        st = new StringTokenizer(line, "\t");\r
-        if (st.countTokens() == 2)\r
-        {\r
-          type = st.nextToken();\r
-          UserColourScheme ucs = new UserColourScheme(st.nextToken());\r
-          fr.setColour(type, ucs.findColour("A"));\r
-          continue;\r
-        }\r
-\r
-        while (st.hasMoreElements())\r
-        {\r
-          desc = st.nextToken();\r
-          token = st.nextToken();\r
-          if (!token.equals("ID_NOT_SPECIFIED"))\r
-          {\r
-            index = viewport.alignment.findIndex(viewport.alignment.findName(\r
-                token));\r
-            st.nextToken();\r
-          }\r
-          else\r
-          {\r
-            index = Integer.parseInt(st.nextToken());\r
-          }\r
-\r
-          start = Integer.parseInt(st.nextToken());\r
-          end = Integer.parseInt(st.nextToken());\r
-\r
-          seq = viewport.alignment.getSequenceAt(index);\r
-          start = seq.findIndex(start) - 1;\r
-          end = seq.findIndex(end) - 1;\r
-\r
-          type = st.nextToken();\r
-\r
-          if (fr.getColour(type) == null)\r
-          {\r
-            // Probably the old style groups file\r
-            UserColourScheme ucs = new UserColourScheme(type);\r
-            fr.setColour(type, ucs.findColour("A"));\r
-          }\r
-\r
-\r
-          sf = new SequenceFeature(type, desc, "", start, end);\r
-\r
-          seq.getDatasetSequence().addSequenceFeature(sf);\r
-\r
-\r
-         // sg = new SequenceGroup(text, ucs, true, true, false, start, end);\r
-         // sg.addSequence(seq, false);\r
-\r
-         // viewport.alignment.addGroup(sg);\r
-\r
-        }\r
-      }\r
-\r
-      viewport.showSequenceFeatures = true;\r
-\r
-      alignPanel.repaint();\r
-\r
-    }\r
-    catch (Exception ex)\r
-    {\r
-      System.out.println("Error parsing groups file: " + ex);\r
-    }\r
-  }\r
-\r
   public void fetchSequence_actionPerformed(ActionEvent e)\r
   {\r
     new SequenceFetcher(this);\r
   }\r
-\r
-\r
   /**\r
    * DOCUMENT ME!\r
    *\r
@@ -355,7 +263,7 @@ public class AlignFrame
             java.io.File.separatorChar) + 1);\r
       }\r
 \r
-      Jalview2XML.SaveAlignment(this, file, shortName);\r
+      new Jalview2XML().SaveAlignment(this, file, shortName);\r
 \r
       // USE Jalview2XML to save this file\r
       return true;\r
@@ -452,6 +360,27 @@ public class AlignFrame
     thread.start();\r
   }\r
 \r
+  public void associatedData_actionPerformed(ActionEvent e)\r
+  {\r
+    // Pick the tree file\r
+    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.\r
+        getProperty(\r
+            "LAST_DIRECTORY"));\r
+    chooser.setFileView(new JalviewFileView());\r
+    chooser.setDialogTitle("Load Jalview Annotations or Features File");\r
+    chooser.setToolTipText("Load Jalview Annotations / Features file");\r
+\r
+    int value = chooser.showOpenDialog(null);\r
+\r
+    if (value == JalviewFileChooser.APPROVE_OPTION)\r
+    {\r
+      String choice = chooser.getSelectedFile().getPath();\r
+      jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);\r
+      loadJalviewDataFile(choice);\r
+    }\r
+\r
+  }\r
+\r
   /**\r
    * DOCUMENT ME!\r
    *\r
@@ -542,42 +471,8 @@ public class AlignFrame
   // used by undo and redo\r
   void restoreHistoryItem(HistoryItem hi)\r
   {\r
-    if (hi.getType() == HistoryItem.SORT)\r
-    {\r
-      for (int i = 0; i < hi.getSequences().size(); i++)\r
-      {\r
-        viewport.alignment.getSequences().setElementAt(hi.getSequences()\r
-            .elementAt(i),\r
-            i);\r
-      }\r
-    }\r
-    else\r
-    {\r
-      for (int i = 0; i < hi.getSequences().size(); i++)\r
-      {\r
-        SequenceI restore = (SequenceI) hi.getSequences().elementAt(i);\r
 \r
-        if (restore.getLength() == 0)\r
-        {\r
-          restore.setSequence(hi.getHidden().elementAt(i).toString());\r
-          viewport.alignment.getSequences().insertElementAt(restore,\r
-              hi.getAlignIndex(i));\r
-        }\r
-        else\r
-        {\r
-          restore.setSequence(hi.getHidden().elementAt(i).toString());\r
-        }\r
-      }\r
-\r
-      if (hi.getType() == HistoryItem.PASTE)\r
-      {\r
-        for (int i = viewport.alignment.getHeight() - 1;\r
-             i > (hi.getSequences().size() - 1); i--)\r
-        {\r
-          viewport.alignment.deleteSequence(i);\r
-        }\r
-      }\r
-    }\r
+    hi.restore();\r
 \r
     updateEditMenuBar();\r
 \r
@@ -783,7 +678,7 @@ public class AlignFrame
       if(str.length()<1)\r
         return;\r
 \r
-      String format = IdentifyFile.Identify(str, "Paste");\r
+      String format = new IdentifyFile().Identify(str, "Paste");\r
       SequenceI[] sequences;\r
 \r
      if(Desktop.jalviewClipboard!=null)\r
@@ -811,6 +706,10 @@ public class AlignFrame
         AlignFrame af = new AlignFrame(alignment);\r
         String newtitle = new String("Copied sequences");\r
 \r
+        //>>>This is a fix for the moment, until a better solution is found!!<<<\r
+        FeatureRenderer fr = af.alignPanel.seqPanel.seqCanvas.getFeatureRenderer();\r
+        fr.featureColours = alignPanel.seqPanel.seqCanvas.getFeatureRenderer().featureColours;\r
+\r
         if (title.startsWith("Copied sequences"))\r
         {\r
           newtitle = title;\r
@@ -845,8 +744,16 @@ public class AlignFrame
             viewport.alignment.getDataset().addSequence(ds);\r
           }\r
           else\r
+          {\r
             newseq.setDatasetSequence(sequences[i].getDatasetSequence());\r
-\r
+            if(sequences[i].getDatasetSequence().getAnnotation()!=null)\r
+            {\r
+              for(int aa=0; aa<sequences[i].getDatasetSequence().getAnnotation().length; aa++)\r
+              {\r
+                viewport.alignment.addAnnotation(sequences[i].getDatasetSequence().getAnnotation()[aa]);\r
+              }\r
+            }\r
+          }\r
         }\r
         viewport.setEndSeq(viewport.alignment.getHeight());\r
         viewport.alignment.getWidth();\r
@@ -855,6 +762,8 @@ public class AlignFrame
     }\r
     catch (Exception ex)\r
     {\r
+      ex.printStackTrace();\r
+        System.out.println("Exception whilst pasting: "+ex);\r
         // could be anything being pasted in here\r
     }\r
 \r
@@ -885,24 +794,50 @@ public class AlignFrame
       return;\r
     }\r
 \r
-    addHistoryItem(new HistoryItem("Delete Sequences", viewport.alignment,\r
-                                   HistoryItem.HIDE));\r
 \r
     SequenceGroup sg = viewport.getSelectionGroup();\r
-    boolean allSequences = false;\r
-    if (sg.sequences.size() == viewport.alignment.getHeight())\r
+\r
+\r
+\r
+    //Jalview no longer allows deletion of residues.\r
+    //Check here whether any residues are in selection area\r
+    if( sg.getEndRes()-sg.getStartRes() < viewport.alignment.getWidth()-1)\r
     {\r
-      allSequences = true;\r
+      for (int i = 0; i < sg.sequences.size(); i++)\r
+      {\r
+        SequenceI seq = sg.getSequenceAt(i);\r
+        int j = sg.getStartRes();\r
+        do\r
+        {\r
+          if (!jalview.util.Comparison.isGap(seq.getCharAt(j)))\r
+          {\r
+            JOptionPane.showInternalMessageDialog(\r
+                Desktop.desktop, "Cannot delete residues from alignment!\n"\r
+                + "Try hiding columns instead.",\r
+                "Deletion of residues not permitted",\r
+                JOptionPane.WARNING_MESSAGE);\r
+\r
+            return;\r
+          }\r
+          j++;\r
+        }while(j<=sg.getEndRes());\r
+      }\r
     }\r
 \r
+\r
+    addHistoryItem(new HistoryItem("Delete Sequences", viewport.alignment,\r
+                                   HistoryItem.HIDE));\r
+\r
+\r
     for (int i = 0; i < sg.sequences.size(); i++)\r
     {\r
       SequenceI seq = sg.getSequenceAt(i);\r
       int index = viewport.getAlignment().findIndex(seq);\r
+\r
       seq.deleteChars(sg.getStartRes(), sg.getEndRes() + 1);\r
 \r
       // If the cut affects all sequences, remove highlighted columns\r
-      if (allSequences)\r
+      if (sg.sequences.size() == viewport.alignment.getHeight())\r
       {\r
         viewport.getColumnSelection().removeElements(sg.getStartRes(),\r
             sg.getEndRes() + 1);\r
@@ -977,11 +912,16 @@ public class AlignFrame
    */\r
   public void deselectAllSequenceMenuItem_actionPerformed(ActionEvent e)\r
   {\r
+    if(viewport.cursorMode)\r
+    {\r
+      alignPanel.seqPanel.keyboardNo1 = null;\r
+      alignPanel.seqPanel.keyboardNo2 = null;\r
+    }\r
     viewport.setSelectionGroup(null);\r
     viewport.getColumnSelection().clear();\r
     viewport.setSelectionGroup(null);\r
     alignPanel.seqPanel.seqCanvas.highlightSearchResults(null);\r
-    alignPanel.annotationPanel.activeRes = null;\r
+    alignPanel.idPanel.idCanvas.searchResults = null;\r
     PaintRefresher.Refresh(null, viewport.alignment);\r
   }\r
 \r
@@ -1199,7 +1139,10 @@ public class AlignFrame
 \r
  public void alignmentChanged()\r
  {\r
-   if(viewport.vconsensus!=null)\r
+   if(viewport.padGaps)\r
+     viewport.getAlignment().padGaps();\r
+\r
+   if(viewport.vconsensus!=null && viewport.autoCalculateConsensus)\r
    {\r
      viewport.updateConsensus();\r
      viewport.updateConservation();\r
@@ -1208,6 +1151,8 @@ public class AlignFrame
    if(alignPanel.overviewPanel!=null)\r
      alignPanel.overviewPanel.updateOverviewImage();\r
 \r
+   viewport.alignment.adjustSequenceAnnotations();\r
+\r
    alignPanel.repaint();\r
  }\r
 \r
@@ -1260,20 +1205,9 @@ public class AlignFrame
     addHistoryItem(new HistoryItem("Pad Gaps", viewport.alignment,\r
                                    HistoryItem.HIDE));\r
 \r
-    SequenceI current;\r
-    int Width = viewport.getAlignment().getWidth();\r
-\r
-    for (int i = 0; i < viewport.getAlignment().getSequences().size();\r
-         i++)\r
-    {\r
-      current = viewport.getAlignment().getSequenceAt(i);\r
-\r
-      if (current.getLength() < Width)\r
-      {\r
-        current.insertCharAt(Width - 1, viewport.getGapCharacter());\r
-      }\r
-    }\r
+    viewport.padGaps = padGapsMenuitem.isSelected();\r
 \r
+   // if (viewport.padGaps)\r
     alignmentChanged();\r
   }\r
 \r
@@ -1287,8 +1221,8 @@ public class AlignFrame
     JInternalFrame frame = new JInternalFrame();\r
     Finder finder = new Finder(viewport, alignPanel, frame);\r
     frame.setContentPane(finder);\r
-    Desktop.addInternalFrame(frame, "Find", 340, 110);\r
     frame.setLayer(JLayeredPane.PALETTE_LAYER);\r
+    Desktop.addInternalFrame(frame, "Find", 340, 110);\r
   }\r
 \r
   /**\r
@@ -1301,6 +1235,14 @@ public class AlignFrame
     new FontChooser(alignPanel);\r
   }\r
 \r
+  public void smoothFont_actionPerformed(ActionEvent e)\r
+  {\r
+    viewport.antiAlias = smoothFont.isSelected();\r
+    alignPanel.annotationPanel.image = null;\r
+    alignPanel.repaint();\r
+  }\r
+\r
+\r
   /**\r
    * DOCUMENT ME!\r
    *\r
@@ -1407,25 +1349,37 @@ public class AlignFrame
     alignPanel.repaint();\r
   }\r
 \r
+  public void fetchSeqFeatures_actionPerformed(ActionEvent e)\r
+  {\r
+    if (!viewport.alignment.isNucleotide())\r
+    {\r
+      new SequenceFeatureFetcher(viewport.\r
+                                 alignment,\r
+                                 alignPanel);\r
+      viewport.setShowSequenceFeatures(true);\r
+      showSeqFeatures.setSelected(true);\r
+    }\r
+  }\r
+\r
+\r
+  public void featureSettings_actionPerformed(ActionEvent e)\r
+  {\r
+    new FeatureSettings(viewport, alignPanel);\r
+  }\r
+\r
   /**\r
    * DOCUMENT ME!\r
    *\r
    * @param evt DOCUMENT ME!\r
    */\r
-  public void sequenceFeatures_actionPerformed(ActionEvent evt)\r
+  public void showSeqFeatures_actionPerformed(ActionEvent evt)\r
   {\r
-    viewport.showSequenceFeatures(sequenceFeatures.isSelected());\r
-\r
-    if (viewport.showSequenceFeatures)\r
+    viewport.setShowSequenceFeatures(showSeqFeatures.isSelected());\r
+    alignPanel.repaint();\r
+    if (alignPanel.getOverviewPanel() != null)\r
     {\r
-      new SequenceFeatureFetcher(viewport.\r
-         alignment,\r
-          alignPanel);\r
+      alignPanel.getOverviewPanel().updateOverviewImage();\r
     }\r
-\r
-    featureSettings.setEnabled(true);\r
-\r
-    alignPanel.repaint();\r
   }\r
 \r
   /**\r
@@ -1572,6 +1526,12 @@ public class AlignFrame
     changeColour(new NucleotideColourScheme());\r
   }\r
 \r
+  public void annotationColour_actionPerformed(ActionEvent e)\r
+  {\r
+    new AnnotationColourChooser(viewport, alignPanel);\r
+  }\r
+\r
+\r
   /**\r
    * DOCUMENT ME!\r
    *\r
@@ -1979,6 +1939,13 @@ public class AlignFrame
      new PCAPanel(viewport);\r
   }\r
 \r
+\r
+  public void autoCalculate_actionPerformed(ActionEvent e)\r
+  {\r
+    viewport.autoCalculateConsensus = autoCalculate.isSelected();\r
+  }\r
+\r
+\r
   /**\r
    * DOCUMENT ME!\r
    *\r
@@ -2028,7 +1995,7 @@ public class AlignFrame
    */\r
   void NewTreePanel(String type, String pwType, String title)\r
   {\r
-    final TreePanel tp;\r
+    TreePanel tp;\r
 \r
     if ( (viewport.getSelectionGroup() != null) &&\r
         (viewport.getSelectionGroup().getSize() > 3))\r
@@ -2080,7 +2047,6 @@ public class AlignFrame
     }\r
 \r
     addTreeMenuItem(tp, title);\r
-    viewport.setCurrentTree(tp.getTree());\r
 \r
     Desktop.addInternalFrame(tp, title + " from " + this.title, 600, 500);\r
   }\r
@@ -2497,10 +2463,7 @@ public class AlignFrame
     }\r
   }*/\r
 \r
-  public void featureSettings_actionPerformed(ActionEvent e)\r
-  {\r
-    new FeatureSettings(viewport, alignPanel);\r
-  }\r
+\r
 \r
 \r
 \r
@@ -2517,6 +2480,8 @@ public void showTranslation_actionPerformed(ActionEvent e)
     protein = new StringBuffer();\r
     seq = AlignSeq.extractGaps("-. ", viewport.alignment.getSequenceAt(s).getSequence());\r
     resSize = seq.length();\r
+    resSize -= resSize%3;\r
+\r
     for(res = 0; res < resSize; res+=3)\r
     {\r
       String codon = seq.substring(res, res+3);\r
@@ -2610,4 +2575,217 @@ public void showTranslation_actionPerformed(ActionEvent e)
   viewport = (AlignViewport)viewports.elementAt(index);\r
   alignPanel = (AlignmentPanel)alignPanels.elementAt(index);\r
  }*/\r
+\r
+/**\r
+ * DOCUMENT ME!\r
+ *\r
+ * @param String DOCUMENT ME!\r
+ */\r
+public boolean parseGroupsFile(String file)\r
+{\r
+    String line = null;\r
+    try\r
+    {\r
+      BufferedReader in = new BufferedReader(new FileReader(file));\r
+      SequenceI seq = null;\r
+      String type, desc, token;\r
+\r
+      int index, start, end;\r
+      StringTokenizer st;\r
+      SequenceFeature sf;\r
+      int lineNo = 0;\r
+      String featureGroup = null;\r
+      while ( (line = in.readLine()) != null)\r
+      {\r
+        lineNo++;\r
+        st = new StringTokenizer(line, "\t");\r
+        if (st.countTokens() == 2)\r
+        {\r
+          type = st.nextToken();\r
+          if (type.equalsIgnoreCase("startgroup"))\r
+          {\r
+            featureGroup = st.nextToken();\r
+          }\r
+          else if (type.equalsIgnoreCase("endgroup"))\r
+          {\r
+            //We should check whether this is the current group,\r
+            //but at present theres no way of showing more than 1 group\r
+            st.nextToken();\r
+            featureGroup = null;\r
+          }\r
+          else\r
+          {\r
+            UserColourScheme ucs = new UserColourScheme(st.nextToken());\r
+            alignPanel.seqPanel.seqCanvas.getFeatureRenderer().setColour(type,\r
+                ucs.findColour("A"));\r
+          }\r
+          continue;\r
+        }\r
+\r
+        while (st.hasMoreElements())\r
+        {\r
+          desc = st.nextToken();\r
+          token = st.nextToken();\r
+          if (!token.equals("ID_NOT_SPECIFIED"))\r
+          {\r
+            index = viewport.alignment.findIndex(viewport.alignment.findName(token));\r
+            st.nextToken();\r
+          }\r
+          else\r
+          {\r
+            index = Integer.parseInt(st.nextToken());\r
+          }\r
+\r
+          start = Integer.parseInt(st.nextToken());\r
+          end = Integer.parseInt(st.nextToken());\r
+\r
+          seq = viewport.alignment.getSequenceAt(index);\r
+\r
+          type = st.nextToken();\r
+\r
+          if (alignPanel.seqPanel.seqCanvas.getFeatureRenderer().getColour(type) == null)\r
+          {\r
+            // Probably the old style groups file\r
+            UserColourScheme ucs = new UserColourScheme(type);\r
+            alignPanel.seqPanel.seqCanvas.getFeatureRenderer().setColour(type, ucs.findColour("A"));\r
+          }\r
+\r
+          sf = new SequenceFeature(type, desc, "", start, end, featureGroup);\r
+\r
+          seq.getDatasetSequence().addSequenceFeature(sf);\r
+        }\r
+      }\r
+    }\r
+    catch (Exception ex)\r
+    {\r
+      System.out.println(line);\r
+      ex.printStackTrace();\r
+      System.out.println("Error parsing groups file: " + ex +"\n"+line);\r
+      return false;\r
+    }\r
+\r
+    viewport.showSequenceFeatures = true;\r
+    showSeqFeatures.setSelected(true);\r
+    alignPanel.repaint();\r
+    return true;\r
+}\r
+\r
+public void dragEnter(DropTargetDragEvent evt)\r
+{}\r
+\r
+public void dragExit(DropTargetEvent evt)\r
+{}\r
+\r
+public void dragOver(DropTargetDragEvent evt)\r
+{}\r
+\r
+public void dropActionChanged(DropTargetDragEvent evt)\r
+{}\r
+\r
+public void drop(DropTargetDropEvent evt)\r
+{\r
+    Transferable t = evt.getTransferable();\r
+    java.util.List files = null;\r
+\r
+    try\r
+    {\r
+      DataFlavor uriListFlavor = new DataFlavor("text/uri-list;class=java.lang.String");\r
+      if (t.isDataFlavorSupported(DataFlavor.javaFileListFlavor))\r
+      {\r
+        //Works on Windows and MacOSX\r
+        evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);\r
+        files = (java.util.List) t.getTransferData(DataFlavor.javaFileListFlavor);\r
+      }\r
+      else if (t.isDataFlavorSupported(uriListFlavor))\r
+      {\r
+        // This is used by Unix drag system\r
+        evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);\r
+        String data = (String) t.getTransferData(uriListFlavor);\r
+        files = new java.util.ArrayList(1);\r
+        for (java.util.StringTokenizer st = new java.util.StringTokenizer(\r
+            data,\r
+            "\r\n");\r
+             st.hasMoreTokens(); )\r
+        {\r
+          String s = st.nextToken();\r
+          if (s.startsWith("#"))\r
+          {\r
+            // the line is a comment (as per the RFC 2483)\r
+            continue;\r
+          }\r
+\r
+          java.net.URI uri = new java.net.URI(s);\r
+          java.io.File file = new java.io.File(uri);\r
+          files.add(file);\r
+        }\r
+      }\r
+    }\r
+    catch (Exception e)\r
+    {\r
+      e.printStackTrace();\r
+    }\r
+    if (files != null)\r
+    {\r
+      try\r
+      {\r
+\r
+        for (int i = 0; i < files.size(); i++)\r
+        {\r
+          loadJalviewDataFile(files.get(i).toString());\r
+        }\r
+      }\r
+      catch (Exception ex)\r
+      {\r
+        ex.printStackTrace();\r
+      }\r
+    }\r
+}\r
+\r
+  // This method will attempt to load a "dropped" file first by testing\r
+  // whether its and Annotation file, then features file. If both are\r
+  // false then the user may have dropped an alignment file onto this\r
+  // AlignFrame\r
+   public void loadJalviewDataFile(String file)\r
+  {\r
+    try{\r
+      boolean isAnnotation = new AnnotationReader().readAnnotationFile(viewport.\r
+          alignment, file);\r
+\r
+      if (!isAnnotation)\r
+      {\r
+        boolean isGroupsFile = parseGroupsFile(file);\r
+        if (!isGroupsFile)\r
+        {\r
+          String protocol = "File";\r
+          String format = new IdentifyFile().Identify(file, protocol);\r
+          SequenceI[] sequences = new FormatAdapter().readFile(file, protocol,\r
+              format);\r
+\r
+          FastaFile ff = new FastaFile();\r
+          Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();\r
+          c.setContents(new StringSelection(ff.print(sequences)), this);\r
+\r
+          this.paste(false);\r
+        }\r
+      }\r
+\r
+      if (isAnnotation)\r
+      {\r
+        int height = alignPanel.annotationPanel.adjustPanelHeight();\r
+        alignPanel.annotationScroller.setPreferredSize(\r
+            new Dimension(alignPanel.annotationScroller.getWidth(),\r
+                          height));\r
+\r
+        alignPanel.annotationSpaceFillerHolder.setPreferredSize(new Dimension(\r
+            alignPanel.annotationSpaceFillerHolder.getWidth(),\r
+            height));\r
+\r
+        alignPanel.addNotify();\r
+      }\r
+\r
+    }catch(Exception ex)\r
+    {\r
+      ex.printStackTrace();\r
+    }\r
+  }\r
 }\r