X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FAlignmentView.java;h=79e0ba22d55f18ae04e17152b5729beacc5fee1c;hb=f980095ff022f62822f1522c221957e49a7bbfc7;hp=6d94ff1378b11e9fd453d892441ddc71b123779a;hpb=ec012cb44879af718f1f9d88d669ebdc763712f2;p=jalview.git

diff --git a/src/jalview/datamodel/AlignmentView.java b/src/jalview/datamodel/AlignmentView.java
index 6d94ff1..79e0ba2 100644
--- a/src/jalview/datamodel/AlignmentView.java
+++ b/src/jalview/datamodel/AlignmentView.java
@@ -1,6 +1,6 @@
 /*
  * Jalview - A Sequence Alignment Editor and Viewer
- * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
+ * Copyright (C) 2007 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -18,8 +18,6 @@
  */
 package jalview.datamodel;
 
-
-
 /**
  * <p>Title: </p>
  *
@@ -34,22 +32,36 @@ package jalview.datamodel;
  */
 public class AlignmentView
 {
-    /**
-     * Transient object compactly representing a 'view' of an alignment - with discontinuities marked.
-     */
-    private SeqCigar[] sequences = null;
+  /**
+   * Transient object compactly representing a 'view' of an alignment - with discontinuities marked.
+   */
+  private SeqCigar[] sequences = null;
   private int[] contigs = null;
-  private int width=0;
+  private int width = 0;
+  private int firstCol = 0;
   public AlignmentView(CigarArray seqcigararray)
   {
     if (!seqcigararray.isSeqCigarArray())
+    {
       throw new Error("Implementation Error - can only make an alignment view from a CigarArray of sequences.");
+    }
     //contigs = seqcigararray.applyDeletions();
     contigs = seqcigararray.getDeletedRegions();
     sequences = seqcigararray.getSeqCigarArray();
     width = seqcigararray.getWidth(); // visible width
   }
 
+  /**
+   * Create an alignmentView where the first column corresponds with the 'firstcol' column of some reference alignment
+   * @param sdata
+   * @param firstcol
+   */
+  public AlignmentView(CigarArray sdata, int firstcol)
+  {
+    this(sdata);
+    firstCol = firstcol;
+  }
+
   public void setSequences(SeqCigar[] sequences)
   {
     this.sequences = sequences;
@@ -64,6 +76,7 @@ public class AlignmentView
   {
     return sequences;
   }
+
   /**
    * @see CigarArray.getDeletedRegions
    * @return int[] { vis_start, sym_start, length }
@@ -72,16 +85,22 @@ public class AlignmentView
   {
     return contigs;
   }
+
   /**
    * get the full alignment and a columnselection object marking the hidden regions
    * @param gapCharacter char
    * @return Object[] { SequenceI[], ColumnSelection}
    */
-  public Object[] getAlignmentAndColumnSelection(char gapCharacter) {
+  public Object[] getAlignmentAndColumnSelection(char gapCharacter)
+  {
     ColumnSelection colsel = new ColumnSelection();
 
-    return new Object[] { SeqCigar.createAlignmentSequences(sequences, gapCharacter, colsel, contigs), colsel};
+    return new Object[]
+        {
+        SeqCigar.createAlignmentSequences(sequences, gapCharacter, colsel,
+                                          contigs), colsel};
   }
+
   /**
    * getSequenceStrings
    *
@@ -90,8 +109,9 @@ public class AlignmentView
    */
   public String[] getSequenceStrings(char c)
   {
-    String[] seqs=new String[sequences.length];
-    for (int n=0; n<sequences.length; n++) {
+    String[] seqs = new String[sequences.length];
+    for (int n = 0; n < sequences.length; n++)
+    {
       String fullseq = sequences[n].getSequenceString(c);
       if (contigs != null)
       {
@@ -103,32 +123,42 @@ public class AlignmentView
           p = contigs[h + 1] + contigs[h + 2];
         }
         seqs[n] += fullseq.substring(p);
-      } else
+      }
+      else
+      {
         seqs[n] = fullseq;
+      }
     }
     return seqs;
   }
+
   /**
    *
    * @return visible number of columns in alignment view
    */
-  public int getWidth() {
+  public int getWidth()
+  {
     return width;
   }
 
-  protected void setWidth(int width) {
+  protected void setWidth(int width)
+  {
     this.width = width;
   }
+
   /**
    * get the contiguous subalignments in an alignment view.
    * @param gapCharacter char
    * @return SequenceI[][]
    */
-  public SequenceI[][] getVisibleContigs(char gapCharacter) {
+  public SequenceI[][] getVisibleContigs(char gapCharacter)
+  {
     SequenceI[][] smsa;
     int njobs = 1;
-    if (sequences==null || width<=0)
+    if (sequences == null || width <= 0)
+    {
       return null;
+    }
     if (contigs != null && contigs.length > 0)
     {
       int start = 0;
@@ -188,20 +218,25 @@ public class AlignmentView
     }
     return smsa;
   }
+
   /**
    * return full msa and hidden regions with visible blocks replaced with new sub alignments
    * @param nvismsa SequenceI[][]
    * @param orders AlignmentOrder[] corresponding to each SequenceI[] block.
    * @return Object[]
    */
-  public Object[] getUpdatedView(SequenceI[][] nvismsa, AlignmentOrder[] orders, char gapCharacter) {
+  public Object[] getUpdatedView(SequenceI[][] nvismsa, AlignmentOrder[] orders,
+                                 char gapCharacter)
+  {
     if (sequences == null || width <= 0)
     {
       throw new Error("empty view cannot be updated.");
     }
     if (nvismsa == null)
+    {
       throw new Error(
           "nvismsa==null. use getAlignmentAndColumnSelection() instead.");
+    }
     if (contigs != null && contigs.length > 0)
     {
       SequenceI[] alignment = new SequenceI[sequences.length];
@@ -221,10 +256,15 @@ public class AlignmentView
             if (nvismsa[j] != null)
             {
               SequenceI mseq[] = nvismsa[j];
-              AlignmentOrder order=(orders==null) ? null : orders[j];
+              AlignmentOrder order = (orders == null) ? null : orders[j];
               j++;
-              if (mseq.length!=sequences.length)
-                throw new Error("Mismatch between number of sequences in block "+j+" ("+mseq.length+") and the original view ("+sequences.length+")");
+              if (mseq.length != sequences.length)
+              {
+                throw new Error(
+                    "Mismatch between number of sequences in block " + j + " (" +
+                    mseq.length + ") and the original view (" +
+                    sequences.length + ")");
+              }
               swidth = mseq[0].getLength(); // JBPNote: could ensure padded here.
               for (int s = 0; s < mseq.length; s++)
               {
@@ -234,13 +274,14 @@ public class AlignmentView
                 }
                 else
                 {
-                  alignment[s].setSequence(alignment[s].getSequence() +
-                                           mseq[s].getSequence());
+                  alignment[s].setSequence(alignment[s].getSequenceAsString() +
+                                           mseq[s].getSequenceAsString());
                   if (mseq[s].getStart() <= mseq[s].getEnd())
                   {
                     alignment[s].setEnd(mseq[s].getEnd());
                   }
-                  if (order!=null) {
+                  if (order != null)
+                  {
                     order.updateSequence(mseq[s], alignment[s]);
                   }
                 }
@@ -254,8 +295,9 @@ public class AlignmentView
                 // recover input data
                 for (int s = 0; s < sequences.length; s++)
                 {
-                  SequenceI oseq = sequences[s].getSeq(gapCharacter).getSubSequence(start,
-                      contigs[contig + 1]);
+                  SequenceI oseq = sequences[s].getSeq(gapCharacter).
+                      getSubSequence(start,
+                                     contigs[contig + 1]);
                   if (swidth < oseq.getLength())
                   {
                     swidth = oseq.getLength();
@@ -266,8 +308,8 @@ public class AlignmentView
                   }
                   else
                   {
-                    alignment[s].setSequence(alignment[s].getSequence() +
-                                             oseq.getSequence());
+                    alignment[s].setSequence(alignment[s].getSequenceAsString() +
+                                             oseq.getSequenceAsString());
                     if (oseq.getEnd() >= oseq.getStart())
                     {
                       alignment[s].setEnd(oseq.getEnd());
@@ -285,7 +327,8 @@ public class AlignmentView
           // add hidden segment to right of next region
           for (int s = 0; s < sequences.length; s++)
           {
-            SequenceI hseq = sequences[s].getSeq(gapCharacter).getSubSequence(contigs[contig +
+            SequenceI hseq = sequences[s].getSeq(gapCharacter).getSubSequence(
+                contigs[contig +
                 1], start);
             if (alignment[s] == null)
             {
@@ -293,8 +336,8 @@ public class AlignmentView
             }
             else
             {
-              alignment[s].setSequence(alignment[s].getSequence() +
-                                       hseq.getSequence());
+              alignment[s].setSequence(alignment[s].getSequenceAsString() +
+                                       hseq.getSequenceAsString());
               if (hseq.getEnd() >= hseq.getStart())
               {
                 alignment[s].setEnd(hseq.getEnd());
@@ -312,7 +355,7 @@ public class AlignmentView
           if (nvismsa[j] != null)
           {
             SequenceI mseq[] = nvismsa[j];
-            AlignmentOrder order = (orders!=null) ? orders[j] : null;
+            AlignmentOrder order = (orders != null) ? orders[j] : null;
             swidth = mseq[0].getLength();
             for (int s = 0; s < mseq.length; s++)
             {
@@ -322,13 +365,14 @@ public class AlignmentView
               }
               else
               {
-                alignment[s].setSequence(alignment[s].getSequence() +
-                                         mseq[s].getSequence());
+                alignment[s].setSequence(alignment[s].getSequenceAsString() +
+                                         mseq[s].getSequenceAsString());
                 if (mseq[s].getEnd() >= mseq[s].getStart())
                 {
                   alignment[s].setEnd(mseq[s].getEnd());
                 }
-                if (order!=null) {
+                if (order != null)
+                {
                   order.updateSequence(mseq[s], alignment[s]);
                 }
               }
@@ -344,8 +388,9 @@ public class AlignmentView
                 // recover input data
                 for (int s = 0; s < sequences.length; s++)
                 {
-                  SequenceI oseq = sequences[s].getSeq(gapCharacter).getSubSequence(start,
-                      owidth + 1);
+                  SequenceI oseq = sequences[s].getSeq(gapCharacter).
+                      getSubSequence(start,
+                                     owidth + 1);
                   if (swidth < oseq.getLength())
                   {
                     swidth = oseq.getLength();
@@ -356,8 +401,8 @@ public class AlignmentView
                   }
                   else
                   {
-                    alignment[s].setSequence(alignment[s].getSequence() +
-                                             oseq.getSequence());
+                    alignment[s].setSequence(alignment[s].getSequenceAsString() +
+                                             oseq.getSequenceAsString());
                     if (oseq.getEnd() >= oseq.getStart())
                     {
                       alignment[s].setEnd(oseq.getEnd());
@@ -375,15 +420,91 @@ public class AlignmentView
           }
         }
       }
-      return new Object[] { alignment, columnselection};
-    } else {
-      if (nvismsa.length!=1)
-        throw new Error("Mismatch between visible blocks to update and number of contigs in view (contigs=0,blocks="+nvismsa.length);
-      if (nvismsa[0]!=null)
-        return new Object[] { nvismsa[0], new ColumnSelection()};
+      return new Object[]
+          {
+          alignment, columnselection};
+    }
+    else
+    {
+      if (nvismsa.length != 1)
+      {
+        throw new Error("Mismatch between visible blocks to update and number of contigs in view (contigs=0,blocks=" +
+                        nvismsa.length);
+      }
+      if (nvismsa[0] != null)
+      {
+        return new Object[]
+            {
+            nvismsa[0], new ColumnSelection()};
+      }
       else
+      {
         return getAlignmentAndColumnSelection(gapCharacter);
+      }
+    }
+  }
+
+  /**
+   * returns simple array of start end positions of visible range on alignment.
+   * vis_start and vis_end are inclusive - use SequenceI.getSubSequence(vis_start, vis_end+1) to recover visible sequence from underlying alignment.
+   * @return int[] { start_i, end_i } for 1<i<n visible regions.
+   */
+  public int[] getVisibleContigs()
+  {
+    if (contigs != null && contigs.length > 0)
+    {
+      int start = 0;
+      int nvis = 0;
+      int fwidth = width;
+      for (int contig = 0; contig < contigs.length; contig += 3)
+      {
+        if ( (contigs[contig + 1] - start) > 0)
+        {
+          nvis++;
+        }
+        fwidth += contigs[contig + 2]; // end up with full region width (including hidden regions)
+        start = contigs[contig + 1] + contigs[contig + 2];
+      }
+      if (start < fwidth)
+      {
+        nvis++;
+      }
+      int viscontigs[] = new int[nvis * 2];
+      nvis = 0;
+      start = 0;
+      for (int contig = 0; contig < contigs.length; contig += 3)
+      {
+        if ( (contigs[contig + 1] - start) > 0)
+        {
+          viscontigs[nvis] = start;
+          viscontigs[nvis + 1] = contigs[contig + 1] - 1; // end is inclusive
+          nvis += 2;
+        }
+        start = contigs[contig + 1] + contigs[contig + 2];
+      }
+      if (start < fwidth)
+      {
+        viscontigs[nvis] = start;
+        viscontigs[nvis + 1] = fwidth; // end is inclusive
+        nvis += 2;
+      }
+      return viscontigs;
+    }
+    else
+    {
+      return new int[]
+          {
+          0, width};
     }
   }
 
+  /**
+   *
+   * @return position of first visible column of AlignmentView within its parent's alignment reference frame
+   */
+  public int getAlignmentOrigin()
+  {
+    // TODO Auto-generated method stub
+    return firstCol;
+  }
 }