Edit and annotate wrapped alignment
[jalview.git] / src / jalview / appletgui / SeqPanel.java
index e6e02c5..71f2d14 100755 (executable)
@@ -1,20 +1,43 @@
+/*\r
+ * Jalview - A Sequence Alignment Editor and Viewer\r
+ * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
+ *\r
+ * This program is free software; you can redistribute it and/or\r
+ * modify it under the terms of the GNU General Public License\r
+ * as published by the Free Software Foundation; either version 2\r
+ * of the License, or (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program; if not, write to the Free Software\r
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA\r
+ */\r
+\r
 package jalview.appletgui;\r
 \r
+import java.util.*;\r
+\r
 import java.awt.*;\r
 import java.awt.event.*;\r
+\r
 import jalview.datamodel.*;\r
-import java.util.*;\r
 import jalview.schemes.*;\r
 \r
-\r
-public class SeqPanel extends Panel\r
+public class SeqPanel\r
+    extends Panel\r
 {\r
 \r
-  public    SeqCanvas         seqCanvas;\r
-  public    AlignmentPanel    ap;\r
+  public SeqCanvas seqCanvas;\r
+  public AlignmentPanel ap;\r
 \r
   protected int lastres;\r
   protected int startseq;\r
+  int startEdit = -1;\r
+  int endEdit = -1;\r
 \r
   protected AlignViewport av;\r
 \r
@@ -24,68 +47,88 @@ public class SeqPanel extends Panel
   ScrollThread scrollThread = null;\r
   boolean mouseDragging = false;\r
 \r
+  boolean editingSeqs = false;\r
+  boolean groupEditing = false;\r
 \r
-  public SeqPanel(AlignViewport avp, AlignmentPanel p) {\r
-    this.av         = avp;\r
+  public SeqPanel(AlignViewport avp, AlignmentPanel p)\r
+  {\r
+    this.av = avp;\r
 \r
-    seqCanvas  = new SeqCanvas(avp);\r
+    seqCanvas = new SeqCanvas(avp);\r
     setLayout(new BorderLayout());\r
     add(seqCanvas);\r
 \r
     ap = p;\r
 \r
-    seqCanvas.addMouseMotionListener( new MouseMotionAdapter()\r
+    seqCanvas.addMouseMotionListener(new MouseMotionAdapter()\r
     {\r
       public void mouseMoved(MouseEvent evt)\r
       {\r
-       if(av.getWrapAlignment())\r
-         return;\r
-        doMouseMoved(evt);    }\r
+        doMouseMoved(evt);\r
+      }\r
 \r
       public void mouseDragged(MouseEvent evt)\r
       {\r
-        if(av.getWrapAlignment())\r
-         return;\r
-        if(evt.isShiftDown() || evt.isAltDown() || evt.isControlDown())\r
+        if (editingSeqs)\r
+        {\r
           doMouseDragged(evt);\r
+        }\r
         else\r
+        {\r
           doMouseDraggedDefineMode(evt);\r
+        }\r
       }\r
     });\r
 \r
-    seqCanvas.addMouseListener( new MouseAdapter()\r
+    seqCanvas.addMouseListener(new MouseAdapter()\r
     {\r
       public void mouseReleased(MouseEvent evt)\r
       {\r
-        if(av.getWrapAlignment())\r
-         return;\r
-        if(evt.isShiftDown() || evt.isAltDown() || evt.isControlDown())\r
+        if (editingSeqs)\r
+        {\r
           doMouseReleased(evt);\r
+        }\r
         else\r
+        {\r
           doMouseReleasedDefineMode(evt);\r
+        }\r
+\r
       }\r
+\r
       public void mousePressed(MouseEvent evt)\r
       {\r
-        if(av.getWrapAlignment())\r
-         return;\r
-        if(evt.isShiftDown() || evt.isAltDown() || evt.isControlDown())\r
+        if (evt.isShiftDown() || evt.isAltDown() || evt.isControlDown())\r
+        {\r
+          if (evt.isAltDown() || evt.isControlDown())\r
+          {\r
+            groupEditing = true;\r
+          }\r
+\r
+          editingSeqs = true;\r
           doMousePressed(evt);\r
+        }\r
         else\r
+        {\r
           doMousePressedDefineMode(evt);\r
+        }\r
       }\r
+\r
       public void mouseExited(MouseEvent evt)\r
       {\r
-        if (av.getWrapAlignment() || evt.isShiftDown() || evt.isAltDown() ||\r
-                  evt.isControlDown())\r
-                return;\r
-              doMouseExitedDefineMode(evt);\r
+        if (editingSeqs)\r
+        {\r
+          return;\r
+        }\r
+        doMouseExitedDefineMode(evt);\r
 \r
       }\r
+\r
       public void mouseEntered(MouseEvent evt)\r
       {\r
-        if (av.getWrapAlignment() || evt.isShiftDown() || evt.isAltDown() ||\r
-            evt.isControlDown())\r
+        if (editingSeqs)\r
+        {\r
           return;\r
+        }\r
         doMouseEnteredDefineMode(evt);\r
       }\r
 \r
@@ -93,29 +136,76 @@ public class SeqPanel extends Panel
     seqCanvas.repaint();\r
   }\r
 \r
+  public void doMouseReleased(MouseEvent evt)\r
+  {\r
 \r
-  public void doMouseReleased(MouseEvent evt) {\r
+    if (seqEditOccurred > -1)\r
+    {\r
+      editOccurred(seqEditOccurred);\r
+    }\r
 \r
     startseq = -1;\r
-    lastres  = -1;\r
-    if(seqEditOccurred>-1)\r
-      updateConservation(seqEditOccurred);\r
-\r
+    lastres = -1;\r
     seqEditOccurred = -1;\r
-\r
+    editingSeqs = false;\r
+    groupEditing = false;\r
     ap.repaint();\r
   }\r
 \r
-  public void doMousePressed(MouseEvent evt) {\r
-    ap.alignFrame.addHistoryItem("sequence edit");\r
-    int seq;\r
-    int res;\r
+  int findRes(MouseEvent evt)\r
+ {\r
+   int res = 0;\r
+   int x = evt.getX();\r
+\r
+  if (av.wrapAlignment)\r
+  {\r
+      int y = evt.getY();\r
+      y -= (2 * av.charHeight);\r
+      x -= seqCanvas.LABEL_WEST;\r
 \r
-    int x = evt.getX();\r
-    int y = evt.getY();\r
+      int chunkHeight = (av.getAlignment().getHeight() + 2) * av.charHeight;\r
+      int cwidth = seqCanvas.getWrappedCanvasWidth(this.getSize().width);\r
+      int block = y/chunkHeight;\r
+      block += av.getStartRes()/cwidth;\r
+\r
+      res = block*cwidth   +   x / av.getCharWidth();\r
+  }\r
+  else\r
+  {\r
+      res = (x / av.getCharWidth()) + av.getStartRes();\r
+  }\r
+\r
+  return res;\r
+\r
+ }\r
+\r
+ int findSeq(MouseEvent evt)\r
+ {\r
+   int seq = 0;\r
+   int y = evt.getY();\r
+\r
+   if (av.wrapAlignment)\r
+   {\r
+     y -= (2 * av.charHeight);\r
+     int chunkHeight = (av.getAlignment().getHeight() + 2) * av.charHeight;\r
+     seq = ( (y % chunkHeight) / av.getCharHeight());\r
+   }\r
+   else\r
+   {\r
+     seq = (y / av.getCharHeight()) + av.getStartSeq();\r
+   }\r
+\r
+   return seq;\r
+ }\r
+\r
+\r
+  public void doMousePressed(MouseEvent evt)\r
+  {\r
+    ap.alignFrame.addHistoryItem(new HistoryItem(\r
+        "Edit Sequence", av.alignment, HistoryItem.EDIT));\r
 \r
-    res = x/av.getCharWidth() + av.getStartRes();\r
-    seq = y/av.getCharHeight() + av.getStartSeq();\r
+    int seq = findSeq(evt);\r
+    int res = findRes(evt);\r
 \r
     if (seq < av.getAlignment().getHeight() &&\r
         res < av.getAlignment().getSequenceAt(seq).getLength())\r
@@ -138,220 +228,334 @@ public class SeqPanel extends Panel
 \r
   public void doMouseMoved(MouseEvent evt)\r
   {\r
-    int res=0, seq=0;\r
-    int x = evt.getX();\r
-    int y = evt.getY();\r
-    if(av.wrapAlignment)\r
-    {\r
-      y -= 2*av.charHeight;\r
-      int chunkHeight = (av.getAlignment().getHeight()+2)*av.charHeight;\r
-\r
-\r
-      res =   (int)((y/chunkHeight)*(getSize().width/av.charWidth)) +  x/av.getCharWidth() + av.getStartRes();\r
+    int res = findRes(evt);\r
+    int seq = findSeq(evt);\r
 \r
-      y %= chunkHeight;\r
-      seq =     y / av.getCharHeight() + av.getStartSeq();\r
-\r
-    }\r
-    else\r
+    if (seq >= av.getAlignment().getHeight())\r
     {\r
-      res = x / av.getCharWidth()  + av.getStartRes();\r
-      seq = y / av.getCharHeight() + av.getStartSeq();\r
-    }\r
-\r
-\r
-    if(seq>=av.getAlignment().getHeight())\r
       return;\r
+    }\r
 \r
     SequenceI sequence = av.getAlignment().getSequenceAt(seq);\r
-    if(res>sequence.getLength())\r
+    if (res > sequence.getLength())\r
+    {\r
       return;\r
+    }\r
 \r
-    Object obj = ResidueProperties.aa2Triplet.get( sequence.getCharAt(res)+"" ) ;\r
+    Object obj = ResidueProperties.aa2Triplet.get(sequence.getCharAt(res) + "");\r
     String aa = "";\r
-    if(obj!=null)\r
-         aa = obj.toString();\r
+    if (obj != null)\r
+    {\r
+      aa = obj.toString();\r
+    }\r
 \r
-    StringBuffer text = new StringBuffer("Sequence " +(seq+1)+" ID: "+sequence.getName());\r
-    if(aa!="")\r
-      text.append("  Residue: "+aa+" ("+  av.getAlignment().getSequenceAt(seq).findPosition(res)+")");\r
+    StringBuffer text = new StringBuffer("Sequence " + (seq + 1) + " ID: " +\r
+                                         sequence.getName());\r
+    if (aa != "")\r
+    {\r
+      text.append("  Residue: " + aa + " (" +\r
+                  av.getAlignment().getSequenceAt(seq).findPosition(res) + ")");\r
+    }\r
 \r
     ap.alignFrame.statusBar.setText(text.toString());\r
 \r
     // use aa to see if the mouse pointer is on a\r
-    if(  av.showSequenceFeatures)\r
+    if (av.showSequenceFeatures)\r
     {\r
       Vector features = sequence.getSequenceFeatures();\r
       Enumeration e = features.elements();\r
       StringBuffer sbuffer = new StringBuffer();\r
 \r
-\r
       while (e.hasMoreElements())\r
       {\r
         SequenceFeature sf = (SequenceFeature) e.nextElement();\r
         if (sf.getStart() <= sequence.findPosition(res) &&\r
             sf.getEnd() >= sequence.findPosition(res))\r
         {\r
-          if(sbuffer.length()>0)\r
+          if (sbuffer.length() > 0)\r
+          {\r
             sbuffer.append("; ");\r
+          }\r
           sbuffer.append(sf.getType() + " " + sf.getDescription());\r
-          if(sf.getStatus().length()>0)\r
-            sbuffer.append(" ("+sf.getStatus()+")");\r
+          if (sf.getStatus().length() > 0)\r
+          {\r
+            sbuffer.append(" (" + sf.getStatus() + ")");\r
+          }\r
         }\r
 \r
       }\r
     }\r
 \r
-\r
   }\r
 \r
-  public void doMouseDragged(MouseEvent evt) {\r
-\r
-      // If we're dragging we're editing\r
-      int res = evt.getX() / av.getCharWidth() + av.getStartRes();\r
-      if (res < 0)\r
-        res = 0;\r
+  public void doMouseDragged(MouseEvent evt)\r
+  {\r
 \r
-      if (lastres == -1 || lastres == res)\r
-        return;\r
+    // If we're dragging we're editing\r
+    int res = findRes(evt);\r
+    if (res < 0)\r
+    {\r
+      res = 0;\r
+    }\r
 \r
-      boolean dragRight = true;\r
-      if (res < av.getAlignment().getWidth() && res < lastres)\r
-        dragRight = false;\r
+    if (lastres == -1 || lastres == res)\r
+    {\r
+      return;\r
+    }\r
 \r
+    boolean dragRight = true;\r
+    if (res < av.getAlignment().getWidth() && res < lastres)\r
+    {\r
+      dragRight = false;\r
+    }\r
 \r
-      if (res != lastres)\r
+    if (res != lastres)\r
+    {\r
+      // Group editing\r
+      if (groupEditing)\r
       {\r
-          // Group editing\r
-          if (evt.isAltDown() || evt.isControlDown())\r
-          {\r
-            SequenceGroup sg = av.getSelectionGroup();\r
-            if(sg==null)\r
-            {\r
-              lastres=-1;\r
-              return;\r
-            }\r
+        SequenceGroup sg = av.getSelectionGroup();\r
+        if (sg == null)\r
+        {\r
+          lastres = -1;\r
+          return;\r
+        }\r
 \r
-              // drag to right\r
-              if(dragRight)\r
-                  sg.setEndRes(sg.getEndRes() + (res-lastres));\r
+        // drag to right\r
+        if (dragRight)\r
+        {\r
+          sg.setEndRes(sg.getEndRes() + (res - lastres));\r
+        }\r
 \r
-              // drag to left\r
-              else\r
+        // drag to left\r
+        else\r
+        {\r
+          /// Are we able to delete?\r
+          // ie are all columns blank?\r
+          boolean deleteAllowed = false;\r
+          for (int s = 0; s < sg.getSize(); s++)\r
+          {\r
+            SequenceI seq = sg.getSequenceAt(s);\r
+            for (int j = res; j < lastres; j++)\r
+            {\r
+              if (seq.getSequence().length() <= j)\r
               {\r
-                 /// Are we able to delete?\r
-                 // ie are all columns blank?\r
-                 boolean deleteAllowed = false;\r
-                for (int s = 0; s < sg.getSize(); s++)\r
-                {\r
-                  SequenceI seq = sg.getSequenceAt(s);\r
-                  for (int j=res; j<lastres; j++)\r
-                  {\r
-                    if(seq.getSequence().length()<=j)\r
-                      continue;\r
-\r
-                    if(!jalview.util.Comparison.isGap(seq.getSequence().charAt(j)))\r
-                    {\r
-                      // Not a gap, block edit not valid\r
-                      res=j+1;\r
-                      deleteAllowed = false;\r
-                      continue;\r
-                    }\r
-                    deleteAllowed = true;\r
-                  }\r
-                }\r
-\r
-                if(!deleteAllowed)\r
-                {\r
-                  lastres = -1;\r
-                  return;\r
-                }\r
-\r
-                sg.setEndRes(sg.getEndRes() - (lastres-res));\r
+                continue;\r
               }\r
 \r
-\r
-              for (int i = 0; i < sg.getSize(); i++)\r
+              if (!jalview.util.Comparison.isGap(seq.getSequence().charAt(j)))\r
               {\r
-                SequenceI s = sg.getSequenceAt(i);\r
-                int k = av.alignment.findIndex(s);\r
-\r
-                // drag to right\r
-                if (dragRight)\r
-                  for (int j = lastres; j < res; j++)\r
-                    insertChar(j, k);\r
-\r
-                // drag to left\r
-                else\r
-                {\r
-                  for (int j = res; j < lastres; j++)\r
-                  {\r
-                    if(s.getLength()>j)\r
-                      deleteChar(res, k);\r
-                  }\r
-                }\r
+                // Not a gap, block edit not valid\r
+                res = j + 1;\r
+                deleteAllowed = false;\r
+                continue;\r
               }\r
+              deleteAllowed = true;\r
+            }\r
           }\r
-          else /////Editing a single sequence///////////\r
+\r
+          if (!deleteAllowed)\r
           {\r
-            if (res < av.getAlignment().getWidth() && res > lastres)\r
+            lastres = -1;\r
+            return;\r
+          }\r
+\r
+          sg.setEndRes(sg.getEndRes() - (lastres - res));\r
+        }\r
+\r
+        for (int i = 0; i < sg.getSize(); i++)\r
+        {\r
+          SequenceI s = sg.getSequenceAt(i);\r
+          int k = av.alignment.findIndex(s);\r
+\r
+          // drag to right\r
+          if (dragRight)\r
+          {\r
+            for (int j = lastres; j < res; j++)\r
             {\r
-              // dragging to the right\r
-              for (int j = lastres; j < res; j++)\r
-                insertChar(j, startseq);\r
+              insertChar(j, k);\r
             }\r
-            else if (res < av.getAlignment().getWidth() && res < lastres)\r
+          }\r
+\r
+          // drag to left\r
+          else\r
+          {\r
+            for (int j = res; j < lastres; j++)\r
             {\r
-              // dragging to the left\r
-              for (int j = lastres; j > res; j--)\r
+              if (s.getLength() > j)\r
               {\r
-                deleteChar(res, startseq);\r
+                deleteChar(res, k);\r
               }\r
             }\r
+          }\r
+        }\r
+      }\r
+      else /////Editing a single sequence///////////\r
+      {\r
+        if (res < av.getAlignment().getWidth() && res > lastres)\r
+        {\r
+          // dragging to the right\r
+          for (int j = lastres; j < res; j++)\r
+          {\r
+            insertChar(j, startseq);\r
+          }\r
+        }\r
+        else if (res < av.getAlignment().getWidth() && res < lastres)\r
+        {\r
+          // dragging to the left\r
+          for (int j = lastres; j > res; j--)\r
+          {\r
+            if (jalview.util.Comparison.isGap(\r
+                av.alignment.getSequenceAt(startseq).getSequence().charAt(res)))\r
+            {\r
+\r
+              deleteChar(res, startseq);\r
+            }\r
+            else\r
+            {\r
 \r
+              break;\r
+            }\r
           }\r
+        }\r
+\r
       }\r
+    }\r
 \r
-      lastres = res;\r
-      seqCanvas.repaint();\r
+    endEdit = res;\r
+    lastres = res;\r
+    seqCanvas.repaint();\r
   }\r
 \r
-  public void drawChars(int seqstart, int seqend, int start) {\r
-    seqCanvas.drawPanel(seqCanvas.gg, start,av.getEndRes(),seqstart,seqend,av.getStartRes(),av.getStartSeq(),0);\r
+  public void drawChars(int seqstart, int seqend, int start)\r
+  {\r
+    seqCanvas.drawPanel(seqCanvas.gg, start, av.getEndRes(), seqstart, seqend,\r
+                        av.getStartRes(), av.getStartSeq(), 0);\r
     seqCanvas.repaint();\r
   }\r
 \r
   public void insertChar(int j, int seq)\r
   {\r
     av.alignment.getSequenceAt(seq).insertCharAt(j, av.getGapCharacter());\r
-    seqEditOccurred=seq;\r
+    seqEditOccurred = seq;\r
   }\r
 \r
   public void deleteChar(int j, int seq)\r
   {\r
 \r
-    if ( jalview.util.Comparison.isGap( av.alignment.getSequenceAt(seq).getSequence().charAt(j)))\r
-      av.alignment.getSequenceAt(seq).deleteCharAt(j);\r
-\r
+    av.alignment.getSequenceAt(seq).deleteCharAt(j);\r
+    seqEditOccurred = seq;\r
     av.alignment.getWidth();\r
     repaint();\r
-    seqEditOccurred=seq;\r
   }\r
 \r
-\r
-  void updateConservation(int i)\r
+  void editOccurred(int i)\r
   {\r
+    if (endEdit == startEdit)\r
+    {\r
+        ap.alignFrame.historyList.pop();\r
+        ap.alignFrame.updateEditMenuBar();\r
+    }\r
+\r
     av.updateConservation();\r
     av.updateConsensus();\r
 \r
+\r
+    //Does the edit affect any groups?\r
+    //////////////////////////////\r
+    Vector groupsToUpdate = new Vector();\r
+    SequenceGroup sg = av.getSelectionGroup();\r
+\r
+    int s, g, gSize = av.alignment.getGroups().size();\r
+    if (sg != null)\r
+    {\r
+      groupsToUpdate.addElement(av.getSelectionGroup());\r
+      int sSize = sg.getSize();\r
+      for (s = 0; s < sSize; s++)\r
+      {\r
+        SequenceI seq = sg.getSequenceAt(s);\r
+\r
+        for (g = 0; g < gSize; g++)\r
+        {\r
+          SequenceGroup sg2 = (SequenceGroup) av.alignment.getGroups().\r
+              elementAt(\r
+                  g);\r
+          if (sg2.sequences.contains(seq))\r
+          {\r
+            if (!groupsToUpdate.contains(sg2))\r
+              groupsToUpdate.addElement(sg2);\r
+            continue;\r
+          }\r
+        }\r
+      }\r
+    }\r
+    else\r
+    {\r
+      SequenceI seq = av.alignment.getSequenceAt(startseq);\r
+      for (g = 0; g < gSize; g++)\r
+      {\r
+        SequenceGroup sg2 = (SequenceGroup) av.alignment.getGroups().elementAt(\r
+            g);\r
+        if (sg2.sequences.contains(seq))\r
+        {\r
+          if (!groupsToUpdate.contains(sg2))\r
+            groupsToUpdate.addElement(sg2);\r
+          continue;\r
+        }\r
+      }\r
+    }\r
+\r
+    gSize = groupsToUpdate.size();\r
+    for (g = 0; g < gSize; g++)\r
+    {\r
+      ( (SequenceGroup) groupsToUpdate.elementAt(g)).recalcConservation();\r
+    }\r
+    ////End of updating groups\r
+      //////////////////////////////////////////\r
+\r
+\r
+    // Y O Y CLUSTALX\r
     ColourSchemeI cs = av.getGlobalColourScheme();\r
-    if(cs instanceof ConservationColourScheme)\r
-      cs = ( (ConservationColourScheme) cs).cs;\r
 \r
-    if(cs instanceof ClustalxColourScheme)\r
-      cs = new ClustalxColourScheme(av.alignment.getSequences(), av.alignment.getWidth());\r
+    if (av.getSelectionGroup() != null)\r
+    {\r
+        av.getSelectionGroup().recalcConservation();\r
+    }\r
 \r
-    ap.alignFrame.changeColour(cs);\r
+    if(cs!=null)\r
+    {\r
+      if (cs.conservationApplied())\r
+      {\r
+        jalview.analysis.Conservation c = new jalview.analysis.Conservation("All",\r
+                                          ResidueProperties.propHash, 3,\r
+                                          av.alignment.getSequences(),\r
+                                          0, av.alignment.getWidth() - 1);\r
+        c.calculate();\r
+        c.verdict(false, av.ConsPercGaps);\r
+\r
+        if (cs instanceof ClustalxColourScheme)\r
+        {\r
+          ClustalxColourScheme cxs = (ClustalxColourScheme) cs;\r
+          cxs.resetClustalX(av.alignment.getSequences(),\r
+                            av.alignment.getWidth());\r
+          cs.setConservation(c);\r
+          av.setGlobalColourScheme(cs);\r
+        }\r
+        else\r
+        {\r
+          cs.setConservation(c);\r
+          av.setGlobalColourScheme(cs);\r
+        }\r
+\r
+      }\r
+\r
+      if (cs instanceof ClustalxColourScheme)\r
+      {\r
+        ( (ClustalxColourScheme) cs).resetClustalX(av.alignment.getSequences(),\r
+                                                   av.alignment.getWidth());\r
+        av.setGlobalColourScheme(cs);\r
+      }\r
+        }\r
   }\r
 \r
 //////////////////////////////////////////\r
@@ -360,78 +564,99 @@ public class SeqPanel extends Panel
   int oldSeq = -1;\r
   public void doMousePressedDefineMode(MouseEvent evt)\r
   {\r
-    int res = evt.getX()/av.getCharWidth() + av.getStartRes();\r
-    int seq = evt.getY()/av.getCharHeight() + av.getStartSeq();\r
+    int res = findRes(evt);\r
+    int seq = findSeq(evt);\r
     oldSeq = seq;\r
 \r
     SequenceI sequence = (Sequence) av.getAlignment().getSequenceAt(seq);\r
 \r
-    if(sequence==null || res>sequence.getLength())\r
+    if (sequence == null || res > sequence.getLength())\r
+    {\r
       return;\r
+    }\r
 \r
     stretchGroup = av.getSelectionGroup();\r
 \r
-    if(stretchGroup == null)\r
-     {\r
-       stretchGroup = av.alignment.findGroup( sequence );\r
-       if(stretchGroup!=null && res>stretchGroup.getStartRes() && res<stretchGroup.getEndRes())\r
-         av.setSelectionGroup(stretchGroup);\r
-       else\r
-         stretchGroup = null;\r
-     }\r
+    if (stretchGroup == null)\r
+    {\r
+      stretchGroup = av.alignment.findGroup(sequence);\r
+      if (stretchGroup != null && res > stretchGroup.getStartRes() &&\r
+          res < stretchGroup.getEndRes())\r
+      {\r
+        av.setSelectionGroup(stretchGroup);\r
+      }\r
+      else\r
+      {\r
+        stretchGroup = null;\r
+      }\r
+    }\r
 \r
-    else if(!stretchGroup.sequences.contains(sequence)\r
-            || stretchGroup.getStartRes()>res\r
-            || stretchGroup.getEndRes()<res)\r
-     {\r
-       stretchGroup = null;\r
-\r
-       SequenceGroup[] allGroups = av.alignment.findAllGroups( sequence );\r
-\r
-       if (allGroups != null)\r
-         for (int i = 0; i < allGroups.length; i++)\r
-           if (allGroups[i].getStartRes() <= res &&\r
-               allGroups[i].getEndRes() >= res)\r
-           {\r
-             stretchGroup = allGroups[i];\r
-             av.setSelectionGroup(stretchGroup);\r
-             break;\r
-           }\r
-     }\r
+    else if (!stretchGroup.sequences.contains(sequence)\r
+             || stretchGroup.getStartRes() > res\r
+             || stretchGroup.getEndRes() < res)\r
+    {\r
+      stretchGroup = null;\r
+\r
+      SequenceGroup[] allGroups = av.alignment.findAllGroups(sequence);\r
+\r
+      if (allGroups != null)\r
+      {\r
+        for (int i = 0; i < allGroups.length; i++)\r
+        {\r
+          if (allGroups[i].getStartRes() <= res &&\r
+              allGroups[i].getEndRes() >= res)\r
+          {\r
+            stretchGroup = allGroups[i];\r
+            av.setSelectionGroup(stretchGroup);\r
+            break;\r
+          }\r
+        }\r
+      }\r
+    }\r
 \r
-    if(stretchGroup==null)\r
+    if (stretchGroup == null)\r
     {\r
       // define a new group here\r
       SequenceGroup sg = new SequenceGroup();\r
       sg.setStartRes(res);\r
       sg.setEndRes(res);\r
-      sg.addSequence( sequence );\r
-      av.setSelectionGroup( sg );\r
+      sg.addSequence(sequence, false);\r
+      av.setSelectionGroup(sg);\r
       stretchGroup = sg;\r
 \r
-      if(av.getConservationSelected())\r
-        SliderPanel.setConservationSlider(ap, av.getGlobalColourScheme(), "Background");\r
-      if(av.getAbovePIDThreshold())\r
-        SliderPanel.setPIDSliderSource(ap, av.getGlobalColourScheme(), "Background");\r
+      if (av.getConservationSelected())\r
+      {\r
+        SliderPanel.setConservationSlider(ap, av.getGlobalColourScheme(),\r
+                                          "Background");\r
+      }\r
+      if (av.getAbovePIDThreshold())\r
+      {\r
+        SliderPanel.setPIDSliderSource(ap, av.getGlobalColourScheme(),\r
+                                       "Background");\r
+      }\r
 \r
     }\r
 \r
     // DETECT RIGHT MOUSE BUTTON IN AWT\r
-    else if( ( evt.getModifiers() & InputEvent .BUTTON3_MASK ) == InputEvent.BUTTON3_MASK )\r
+    else if ( (evt.getModifiers() & InputEvent.BUTTON3_MASK) ==\r
+             InputEvent.BUTTON3_MASK)\r
     {\r
-      APopupMenu popup = new APopupMenu(ap, null);\r
+      APopupMenu popup = new APopupMenu(ap, null, null);\r
       this.add(popup);\r
       popup.show(this, evt.getX(), evt.getY());\r
     }\r
 \r
-\r
-    if(stretchGroup!=null && stretchGroup.getEndRes()==res)\r
+    if (stretchGroup != null && stretchGroup.getEndRes() == res)\r
+    {\r
       // Edit end res position of selected group\r
       changeEndRes = true;\r
+    }\r
 \r
-   else if(stretchGroup!=null && stretchGroup.getStartRes()==res)\r
+    else if (stretchGroup != null && stretchGroup.getStartRes() == res)\r
+    {\r
       // Edit end res position of selected group\r
       changeStartRes = true;\r
+    }\r
 \r
   }\r
 \r
@@ -443,88 +668,100 @@ public class SeqPanel extends Panel
 \r
   public void doMouseReleasedDefineMode(MouseEvent evt)\r
   {\r
-    mouseDragging = false;\r
-\r
-    if(stretchGroup==null)\r
-      return;\r
+    if(mouseDragging)\r
+     {\r
+       stretchGroup.recalcConservation();\r
+       mouseDragging = false;\r
+     }\r
 \r
-    if(stretchGroup.cs instanceof ClustalxColourScheme)\r
+    if (stretchGroup == null)\r
     {\r
-      stretchGroup.cs = new ClustalxColourScheme(stretchGroup.sequences, av.alignment.getWidth());\r
-      seqCanvas.repaint();\r
+      return;\r
     }\r
 \r
-    else if(stretchGroup.cs instanceof ConservationColourScheme)\r
-    {\r
-       ConservationColourScheme ccs = (ConservationColourScheme)stretchGroup.cs;\r
-       stretchGroup.cs = ccs;\r
-       SliderPanel.setConservationSlider(ap, stretchGroup.cs, stretchGroup.getName()) ;\r
-\r
-       seqCanvas.repaint();\r
-    }\r
-    else\r
+    if(stretchGroup.cs!=null)\r
     {\r
-      if(stretchGroup.cs !=null && stretchGroup.cs.canThreshold())\r
+      if (stretchGroup.cs.conservationApplied())\r
       {\r
-        ResidueColourScheme rcs =  (ResidueColourScheme) stretchGroup.cs;\r
-        SliderPanel.setPIDSliderSource(ap, stretchGroup.cs, stretchGroup.getName());\r
+        SliderPanel.setConservationSlider(ap, stretchGroup.cs,\r
+                                          stretchGroup.getName());\r
+      }\r
+      else\r
+      {\r
+        SliderPanel.setPIDSliderSource(ap, stretchGroup.cs,\r
+                                       stretchGroup.getName());\r
       }\r
-\r
     }\r
-\r
-\r
     changeEndRes = false;\r
     changeStartRes = false;\r
     stretchGroup = null;\r
+    seqCanvas.repaint();\r
     ap.repaint();\r
   }\r
 \r
-\r
   boolean remove = false;\r
   public void doMouseDraggedDefineMode(MouseEvent evt)\r
   {\r
-    int res = evt.getX()/av.getCharWidth() + av.getStartRes();\r
-    int y = evt.getY()/av.getCharHeight() + av.getStartSeq();\r
+    int res = findRes(evt);\r
+    int y = findSeq(evt);\r
 \r
-    if(stretchGroup==null)\r
+    if (stretchGroup == null)\r
+    {\r
       return;\r
+    }\r
 \r
-    if(res>av.alignment.getWidth())\r
-      res = av.alignment.getWidth()-1;\r
-\r
+    if (res > av.alignment.getWidth())\r
+    {\r
+      res = av.alignment.getWidth() - 1;\r
+    }\r
 \r
-    if(stretchGroup.getEndRes()==res)\r
+    if (stretchGroup.getEndRes() == res)\r
+    {\r
       // Edit end res position of selected group\r
       changeEndRes = true;\r
+    }\r
 \r
-    else if(stretchGroup.getStartRes()==res)\r
+    else if (stretchGroup.getStartRes() == res)\r
+    {\r
       // Edit start res position of selected group\r
       changeStartRes = true;\r
+    }\r
 \r
-\r
-    if(res<av.getStartRes())\r
+    if (res < av.getStartRes())\r
+    {\r
       res = av.getStartRes();\r
-    else if(res>av.getEndRes())\r
+    }\r
+    else if (res > av.getEndRes() && !av.getWrapAlignment())\r
+    {\r
       res = av.getEndRes();\r
+    }\r
 \r
-    if(changeEndRes)\r
+    if (changeEndRes)\r
     {\r
-      if(res>stretchGroup.getStartRes()-1)\r
-        stretchGroup.setEndRes( res );\r
+      if (res > stretchGroup.getStartRes() - 1)\r
+      {\r
+        stretchGroup.setEndRes(res);\r
+      }\r
     }\r
-    else if(changeStartRes)\r
+    else if (changeStartRes)\r
     {\r
-      if(res<stretchGroup.getEndRes()+1)\r
-        stretchGroup.setStartRes( res );\r
+      if (res < stretchGroup.getEndRes() + 1)\r
+      {\r
+        stretchGroup.setStartRes(res);\r
+      }\r
     }\r
 \r
     int dragDirection = 0;\r
     if (y > oldSeq)\r
+    {\r
       dragDirection = 1;\r
+    }\r
     else if (y < oldSeq)\r
+    {\r
       dragDirection = -1;\r
+    }\r
 \r
-    while (y != oldSeq && oldSeq>0 && y<av.alignment.getHeight())\r
+    while (y != oldSeq && oldSeq > 0 && y < av.alignment.getHeight())\r
     {\r
       // This routine ensures we don't skip any sequences, as the\r
       // selection is quite slow.\r
@@ -535,20 +772,23 @@ public class SeqPanel extends Panel
 \r
       if (stretchGroup.sequences.contains(nextSeq))\r
       {\r
-        stretchGroup.deleteSequence(seq);\r
-        stretchGroup.deleteSequence(nextSeq);\r
+        stretchGroup.deleteSequence(seq, false);\r
       }\r
       else\r
       {\r
-       if(seq!=null)\r
-        stretchGroup.addSequence(seq);\r
-        stretchGroup.addSequence(nextSeq);\r
+        if (seq != null)\r
+        {\r
+          stretchGroup.addSequence(seq, false);\r
+        }\r
+        stretchGroup.addSequence(nextSeq, false);\r
       }\r
     }\r
     oldSeq = y;\r
     mouseDragging = true;\r
-    if(scrollThread!=null)\r
+    if (scrollThread != null)\r
+    {\r
       scrollThread.setEvent(evt);\r
+    }\r
 \r
     seqCanvas.repaint();\r
   }\r
@@ -556,20 +796,23 @@ public class SeqPanel extends Panel
   public void doMouseEnteredDefineMode(MouseEvent e)\r
   {\r
     if (scrollThread != null)\r
+    {\r
       scrollThread.running = false;\r
+    }\r
   }\r
 \r
   public void doMouseExitedDefineMode(MouseEvent e)\r
   {\r
-    if (av.getWrapAlignment())\r
-      return;\r
-\r
-    if(mouseDragging)\r
+    if (mouseDragging)\r
+    {\r
       scrollThread = new ScrollThread();\r
+    }\r
 \r
   }\r
+\r
   // this class allows scrolling off the bottom of the visible alignment\r
-  class ScrollThread extends Thread\r
+  class ScrollThread\r
+      extends Thread\r
   {\r
     MouseEvent evt;\r
     boolean running = false;\r
@@ -593,21 +836,29 @@ public class SeqPanel extends Panel
       running = true;\r
       while (running)\r
       {\r
-        if(evt!=null)\r
+        if (evt != null)\r
         {\r
 \r
           if (mouseDragging && evt.getY() < 0 && av.getStartSeq() > 0)\r
+          {\r
             running = ap.scrollUp(true);\r
+          }\r
 \r
           if (mouseDragging && evt.getY() >= getSize().height &&\r
               av.alignment.getHeight() > av.getEndSeq())\r
+          {\r
             running = ap.scrollUp(false);\r
+          }\r
 \r
           if (mouseDragging && evt.getX() < 0)\r
+          {\r
             running = ap.scrollRight(true);\r
+          }\r
 \r
           else if (mouseDragging && evt.getX() >= getSize().width)\r
+          {\r
             running = ap.scrollRight(false);\r
+          }\r
         }\r
 \r
         try\r
@@ -618,12 +869,6 @@ public class SeqPanel extends Panel
         {}\r
       }\r
     }\r
-}\r
-\r
-\r
+  }\r
 \r
 }\r
-\r
-\r
-\r
-\r