X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2FMCview%2FPDBfile.java;h=61f10eb9525dca0ad20613f9efd5362bf15d385a;hb=838e4f91d4a53dd315640dbc9ff6ef7a815ee576;hp=c55a5192276be25dc36873f75697785f43edc392;hpb=153dd62dc91da13ae732600e6ea55ddbe15eab39;p=jalview.git

diff --git a/src/MCview/PDBfile.java b/src/MCview/PDBfile.java
index c55a519..61f10eb 100755
--- a/src/MCview/PDBfile.java
+++ b/src/MCview/PDBfile.java
@@ -1,49 +1,97 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
- * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9.0b1)
+ * Copyright (C) 2015 The Jalview Authors
  * 
  * This file is part of Jalview.
  * 
  * Jalview is free software: you can redistribute it and/or
  * modify it under the terms of the GNU General Public License 
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- * 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
  * Jalview is distributed in the hope that it will be useful, but 
  * WITHOUT ANY WARRANTY; without even the implied warranty 
  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
  * PURPOSE.  See the GNU General Public License for more details.
  * 
- * You should have received a copy of the GNU General Public License along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
  */
 package MCview;
 
-import java.io.*;
-import java.util.*;
-
-import java.awt.*;
-
-import jalview.datamodel.*;
+import jalview.analysis.AlignSeq;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SequenceI;
 import jalview.io.FileParse;
+import jalview.util.MessageManager;
+
+import java.awt.Color;
+import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Vector;
 
 public class PDBfile extends jalview.io.AlignFile
 {
-  public Vector chains;
+  private static String CALC_ID_PREFIX = "JalviewPDB";
+
+  public Vector<PDBChain> chains;
 
   public String id;
 
   /**
-   * set to true to add chain alignment annotation as visible annotation.
+   * set to true to add derived sequence annotations (temp factor read from
+   * file, or computed secondary structure) to the alignment
+   */
+  private boolean visibleChainAnnotation = false;
+
+  /*
+   * Set true to predict secondary structure (using JMol for protein, Annotate3D
+   * for RNA)
+   */
+  private boolean predictSecondaryStructure = true;
+
+  /*
+   * Set true (with predictSecondaryStructure=true) to predict secondary
+   * structure using an external service (currently Annotate3D for RNA only)
    */
-  boolean VisibleChainAnnotation = false;
+  private boolean externalSecondaryStructure = false;
 
-  public PDBfile(String inFile, String inType) throws IOException
+  public PDBfile(boolean addAlignmentAnnotations,
+          boolean predictSecondaryStructure, boolean externalSecStr)
   {
-    super(inFile, inType);
+    super();
+    this.visibleChainAnnotation = addAlignmentAnnotations;
+    this.predictSecondaryStructure = predictSecondaryStructure;
+    this.externalSecondaryStructure = externalSecStr;
   }
 
-  public PDBfile(FileParse source) throws IOException
+  public PDBfile(boolean addAlignmentAnnotations,
+          boolean predictSecondaryStructure, boolean externalSecStr,
+          String file, String protocol) throws IOException
   {
-    super(source);
+    super(false, file, protocol);
+    this.visibleChainAnnotation = addAlignmentAnnotations;
+    this.predictSecondaryStructure = predictSecondaryStructure;
+    this.externalSecondaryStructure = externalSecStr;
+    doParse();
+  }
+
+  public PDBfile(boolean addAlignmentAnnotations,
+          boolean predictSecondaryStructure, boolean externalSecStr,
+          FileParse source) throws IOException
+  {
+    super(false, source);
+    this.visibleChainAnnotation = addAlignmentAnnotations;
+    this.predictSecondaryStructure = predictSecondaryStructure;
+    this.externalSecondaryStructure = externalSecStr;
+    doParse();
   }
 
   public String print()
@@ -56,18 +104,19 @@ public class PDBfile extends jalview.io.AlignFile
     // TODO set the filename sensibly - try using data source name.
     id = safeName(getDataName());
 
+    chains = new Vector<PDBChain>();
+    List<SequenceI> rna = new ArrayList<SequenceI>();
+    List<SequenceI> prot = new ArrayList<SequenceI>();
+    PDBChain tmpchain;
+    String line = null;
+    boolean modelFlag = false;
+    boolean terFlag = false;
+    String lastID = "";
+
+    int indexx = 0;
+    String atomnam = null;
     try
     {
-      chains = new Vector();
-
-      PDBChain tmpchain;
-      String line;
-      boolean modelFlag = false;
-      boolean terFlag = false;
-      String lastID = "";
-
-      int index = 0;
-      String atomnam = null;
       while ((line = nextLine()) != null)
       {
         if (line.indexOf("HEADER") == 0)
@@ -150,43 +199,283 @@ public class PDBfile extends jalview.io.AlignFile
       {
         id = inFile.getName();
       }
-      for (int i = 0; i < chains.size(); i++)
+      for (PDBChain chain : chains)
       {
-        SequenceI dataset = ((PDBChain) chains.elementAt(i)).sequence;
-        dataset.setName(id + "|" + dataset.getName());
-        PDBEntry entry = new PDBEntry();
-        entry.setId(id);
-        if (inFile != null)
+        SequenceI chainseq = postProcessChain(chain);
+        if (isRNA(chainseq))
         {
-          entry.setFile(inFile.getAbsolutePath());
+          rna.add(chainseq);
         }
         else
         {
-          // TODO: decide if we should dump the datasource to disk
-          entry.setFile(getDataName());
+          prot.add(chainseq);
         }
-        dataset.addPDBId(entry);
-        SequenceI chainseq = dataset.deriveSequence(); // PDBChain objects
-        // maintain reference to
-        // dataset
-        seqs.addElement(chainseq);
-        AlignmentAnnotation[] chainannot = chainseq.getAnnotation();
-        if (chainannot != null)
+      }
+      if (predictSecondaryStructure)
+      {
+        predictSecondaryStructure(rna, prot);
+      }
+    } catch (OutOfMemoryError er)
+    {
+      System.out.println("OUT OF MEMORY LOADING PDB FILE");
+      throw new IOException(
+              MessageManager
+                      .getString("exception.outofmemory_loading_pdb_file"));
+    } catch (NumberFormatException ex)
+    {
+      if (line != null)
+      {
+        System.err.println("Couldn't read number from line:");
+        System.err.println(line);
+      }
+    }
+    markCalcIds();
+  }
+
+  /**
+   * Predict secondary structure for RNA and/or protein sequences and add as
+   * annotations
+   * 
+   * @param rnaSequences
+   * @param proteinSequences
+   */
+  protected void predictSecondaryStructure(List<SequenceI> rnaSequences,
+          List<SequenceI> proteinSequences)
+  {
+    /*
+     * Currently using Annotate3D for RNA, but only if the 'use external
+     * prediction' flag is set
+     */
+    if (externalSecondaryStructure && rnaSequences.size() > 0)
+    {
+      try
+      {
+        processPdbFileWithAnnotate3d(rnaSequences);
+      } catch (Exception x)
+      {
+        System.err.println("Exceptions when dealing with RNA in pdb file");
+        x.printStackTrace();
+
+      }
+    }
+
+    /*
+     * Currently using JMol PDB parser for peptide
+     */
+    if (proteinSequences.size() > 0)
+    {
+      try
+      {
+        processPdbFileWithJmol(proteinSequences);
+      } catch (Exception x)
+      {
+        System.err
+                .println("Exceptions from Jmol when processing data in pdb file");
+        x.printStackTrace();
+      }
+    }
+  }
+
+  /**
+   * Process a parsed chain to construct and return a Sequence, and add it to
+   * the list of sequences parsed.
+   * 
+   * @param chain
+   * @return
+   */
+  protected SequenceI postProcessChain(PDBChain chain)
+  {
+    SequenceI dataset = chain.sequence;
+    dataset.setName(id + "|" + dataset.getName());
+    PDBEntry entry = new PDBEntry();
+    entry.setId(id);
+    entry.setType(PDBEntry.Type.PDB);
+    entry.setProperty(new Hashtable());
+    if (chain.id != null)
+    {
+      // entry.getProperty().put("CHAIN", chains.elementAt(i).id);
+      entry.setChainCode(String.valueOf(chain.id));
+    }
+    if (inFile != null)
+    {
+      entry.setFile(inFile.getAbsolutePath());
+    }
+    else
+    {
+      // TODO: decide if we should dump the datasource to disk
+      entry.setFile(getDataName());
+    }
+    dataset.addPDBId(entry);
+    // PDBChain objects maintain reference to dataset
+    SequenceI chainseq = dataset.deriveSequence();
+    seqs.addElement(chainseq);
+
+    AlignmentAnnotation[] chainannot = chainseq.getAnnotation();
+
+    if (chainannot != null && visibleChainAnnotation)
+    {
+      for (int ai = 0; ai < chainannot.length; ai++)
+      {
+        chainannot[ai].visible = visibleChainAnnotation;
+        annotations.addElement(chainannot[ai]);
+      }
+    }
+    return chainseq;
+  }
+
+  public static boolean isCalcIdHandled(String calcId)
+  {
+    return calcId != null && (CALC_ID_PREFIX.equals(calcId));
+  }
+
+  public static boolean isCalcIdForFile(AlignmentAnnotation alan,
+          String pdbFile)
+  {
+    return alan.getCalcId() != null
+            && CALC_ID_PREFIX.equals(alan.getCalcId())
+            && pdbFile.equals(alan.getProperty("PDBID"));
+  }
+
+  public static String relocateCalcId(String calcId,
+          Hashtable<String, String> alreadyLoadedPDB) throws Exception
+  {
+    int s = CALC_ID_PREFIX.length(), end = calcId
+            .indexOf(CALC_ID_PREFIX, s);
+    String between = calcId.substring(s, end - 1);
+    return CALC_ID_PREFIX + alreadyLoadedPDB.get(between) + ":"
+            + calcId.substring(end);
+  }
+
+  private void markCalcIds()
+  {
+    for (SequenceI sq : seqs)
+    {
+      if (sq.getAnnotation() != null)
+      {
+        for (AlignmentAnnotation aa : sq.getAnnotation())
         {
-          for (int ai = 0; ai < chainannot.length; ai++)
+          String oldId = aa.getCalcId();
+          if (oldId == null)
           {
-            chainannot[ai].visible = VisibleChainAnnotation;
-            annotations.addElement(chainannot[ai]);
+            oldId = "";
           }
+          aa.setCalcId(CALC_ID_PREFIX);
+          aa.setProperty("PDBID", id);
+          aa.setProperty("oldCalcId", oldId);
         }
       }
-    } catch (OutOfMemoryError er)
+    }
+  }
+
+  private void processPdbFileWithJmol(List<SequenceI> prot)
+          throws Exception
+  {
+    try
     {
-      System.out.println("OUT OF MEMORY LOADING PDB FILE");
-      throw new IOException("Out of memory loading PDB File");
+      Class cl = Class.forName("jalview.ext.jmol.PDBFileWithJmol");
+      if (cl != null)
+      {
+        final Constructor constructor = cl
+                .getConstructor(new Class[] { FileParse.class });
+        final Object[] args = new Object[] { new FileParse(getDataName(),
+                type) };
+        Object jmf = constructor.newInstance(args);
+        AlignmentI al = new Alignment((SequenceI[]) cl.getMethod(
+                "getSeqsAsArray", new Class[] {}).invoke(jmf));
+        cl.getMethod("addAnnotations", new Class[] { AlignmentI.class })
+                .invoke(jmf, al);
+        for (SequenceI sq : al.getSequences())
+        {
+          if (sq.getDatasetSequence() != null)
+          {
+            sq.getDatasetSequence().getAllPDBEntries().clear();
+          }
+          else
+          {
+            sq.getAllPDBEntries().clear();
+          }
+        }
+        replaceAndUpdateChains(prot, al, AlignSeq.PEP, false);
+      }
+    } catch (ClassNotFoundException q)
+    {
+    }
+  }
+
+  private void replaceAndUpdateChains(List<SequenceI> prot, AlignmentI al,
+          String pep, boolean b)
+  {
+    List<List<? extends Object>> replaced = AlignSeq
+            .replaceMatchingSeqsWith(seqs, annotations, prot, al, pep,
+                    false);
+    for (PDBChain ch : chains)
+    {
+      int p = 0;
+      for (SequenceI sq : (List<SequenceI>) replaced.get(0))
+      {
+        p++;
+        if (sq == ch.sequence || sq.getDatasetSequence() == ch.sequence)
+        {
+          p = -p;
+          break;
+        }
+      }
+      if (p < 0)
+      {
+        p = -p - 1;
+        // set shadow entry for chains
+        ch.shadow = (SequenceI) replaced.get(1).get(p);
+        ch.shadowMap = ((AlignSeq) replaced.get(2).get(p))
+                .getMappingFromS1(false);
+      }
     }
   }
 
+  private void processPdbFileWithAnnotate3d(List<SequenceI> rna)
+          throws Exception
+  {
+    // System.out.println("this is a PDB format and RNA sequence");
+    // note: we use reflection here so that the applet can compile and run
+    // without the HTTPClient bits and pieces needed for accessing Annotate3D
+    // web service
+    try
+    {
+      Class cl = Class.forName("jalview.ws.jws1.Annotate3D");
+      if (cl != null)
+      {
+        // TODO: use the PDB ID of the structure if one is available, to save
+        // bandwidth and avoid uploading the whole structure to the service
+        Object annotate3d = cl.getConstructor(new Class[] {}).newInstance(
+                new Object[] {});
+        AlignmentI al = ((AlignmentI) cl.getMethod("getRNAMLFor",
+                new Class[] { FileParse.class }).invoke(annotate3d,
+                new Object[] { new FileParse(getDataName(), type) }));
+        for (SequenceI sq : al.getSequences())
+        {
+          if (sq.getDatasetSequence() != null)
+          {
+            if (sq.getDatasetSequence().getAllPDBEntries() != null)
+            {
+              sq.getDatasetSequence().getAllPDBEntries().clear();
+            }
+          }
+          else
+          {
+            if (sq.getAllPDBEntries() != null)
+            {
+              sq.getAllPDBEntries().clear();
+            }
+          }
+        }
+        replaceAndUpdateChains(rna, al, AlignSeq.DNA, false);
+      }
+    } catch (ClassNotFoundException x)
+    {
+      // ignore classnotfounds - occurs in applet
+    }
+    ;
+  }
+
   /**
    * make a friendly ID string.
    * 
@@ -207,7 +496,7 @@ public class PDBfile extends jalview.io.AlignFile
   {
     for (int i = 0; i < chains.size(); i++)
     {
-      ((PDBChain) chains.elementAt(i)).makeResidueList();
+      chains.elementAt(i).makeResidueList(visibleChainAnnotation);
     }
   }
 
@@ -215,7 +504,7 @@ public class PDBfile extends jalview.io.AlignFile
   {
     for (int i = 0; i < chains.size(); i++)
     {
-      ((PDBChain) chains.elementAt(i)).makeCaBondList();
+      chains.elementAt(i).makeCaBondList();
     }
   }
 
@@ -223,9 +512,9 @@ public class PDBfile extends jalview.io.AlignFile
   {
     for (int i = 0; i < chains.size(); i++)
     {
-      if (((PDBChain) chains.elementAt(i)).id.equals(id))
+      if (chains.elementAt(i).id.equals(id))
       {
-        return (PDBChain) chains.elementAt(i);
+        return chains.elementAt(i);
       }
     }
 
@@ -236,7 +525,7 @@ public class PDBfile extends jalview.io.AlignFile
   {
     for (int i = 0; i < chains.size(); i++)
     {
-      ((PDBChain) chains.elementAt(i)).setChargeColours();
+      chains.elementAt(i).setChargeColours();
     }
   }
 
@@ -244,7 +533,7 @@ public class PDBfile extends jalview.io.AlignFile
   {
     for (int i = 0; i < chains.size(); i++)
     {
-      ((PDBChain) chains.elementAt(i)).setChainColours(cs);
+      chains.elementAt(i).setChainColours(cs);
     }
   }
 
@@ -252,8 +541,23 @@ public class PDBfile extends jalview.io.AlignFile
   {
     for (int i = 0; i < chains.size(); i++)
     {
-      ((PDBChain) chains.elementAt(i)).setChainColours(Color.getHSBColor(
-              1.0f / (float) i, .4f, 1.0f));
+      // divide by zero --> infinity --> 255 ;-)
+      chains.elementAt(i).setChainColours(
+              Color.getHSBColor(1.0f / i, .4f, 1.0f));
+    }
+  }
+
+  public static boolean isRNA(SequenceI seq)
+  {
+    for (char c : seq.getSequence())
+    {
+      if ((c != 'A') && (c != 'C') && (c != 'G') && (c != 'U'))
+      {
+        return false;
+      }
     }
+
+    return true;
+
   }
 }