+ @Override
+ public abstract void highlightAtoms(List<AtomSpec> atoms);
+
+ protected boolean isNucleotide()
+ {
+ return this.nucleotide;
+ }
+
+ /**
+ * Returns a readable description of all mappings for the wrapped pdbfile to
+ * any mapped sequences
+ *
+ * @param pdbfile
+ * @param seqs
+ * @return
+ */
+ public String printMappings()
+ {
+ if (pdbEntry == null)
+ {
+ return "";
+ }
+ StringBuilder sb = new StringBuilder(128);
+ for (int pdbe = 0; pdbe < getPdbCount(); pdbe++)
+ {
+ String pdbfile = getPdbEntry(pdbe).getFile();
+ List<SequenceI> seqs = Arrays.asList(getSequence()[pdbe]);
+ sb.append(getSsm().printMappings(pdbfile, seqs));
+ }
+ return sb.toString();
+ }
+
+ /**
+ * Returns the mapped structure position for a given aligned column of a given
+ * sequence, or -1 if the column is gapped, beyond the end of the sequence, or
+ * not mapped to structure.
+ *
+ * @param seq
+ * @param alignedPos
+ * @param mapping
+ * @return
+ */
+ protected int getMappedPosition(SequenceI seq, int alignedPos,
+ StructureMapping mapping)
+ {
+ if (alignedPos >= seq.getLength())
+ {
+ return -1;
+ }
+
+ if (Comparison.isGap(seq.getCharAt(alignedPos)))
+ {
+ return -1;
+ }
+ int seqPos = seq.findPosition(alignedPos);
+ int pos = mapping.getPDBResNum(seqPos);
+ return pos;
+ }
+
+ /**
+ * Helper method to identify residues that can participate in a structure
+ * superposition command. For each structure, identify a sequence in the
+ * alignment which is mapped to the structure. Identify non-gapped columns in
+ * the sequence which have a mapping to a residue in the structure. Returns
+ * the index of the first structure that has a mapping to the alignment.
+ *
+ * @param alignment
+ * the sequence alignment which is the basis of structure
+ * superposition
+ * @param matched
+ * a BitSet, where bit j is set to indicate that every structure has
+ * a mapped residue present in column j (so the column can
+ * participate in structure alignment)
+ * @param structures
+ * an array of data beans corresponding to pdb file index
+ * @return
+ */
+ protected int findSuperposableResidues(AlignmentI alignment,
+ BitSet matched, SuperposeData[] structures)
+ {
+ int refStructure = -1;
+ String[] files = getStructureFiles();
+ if (files == null)
+ {
+ return -1;
+ }
+ for (int pdbfnum = 0; pdbfnum < files.length; pdbfnum++)
+ {
+ StructureMapping[] mappings = getSsm().getMapping(files[pdbfnum]);
+ int lastPos = -1;
+
+ /*
+ * Find the first mapped sequence (if any) for this PDB entry which is in
+ * the alignment
+ */
+ final int seqCountForPdbFile = getSequence()[pdbfnum].length;
+ for (int s = 0; s < seqCountForPdbFile; s++)
+ {
+ for (StructureMapping mapping : mappings)
+ {
+ final SequenceI theSequence = getSequence()[pdbfnum][s];
+ if (mapping.getSequence() == theSequence
+ && alignment.findIndex(theSequence) > -1)
+ {
+ if (refStructure < 0)
+ {
+ refStructure = pdbfnum;
+ }
+ for (int r = 0; r < alignment.getWidth(); r++)
+ {
+ if (!matched.get(r))
+ {
+ continue;
+ }
+ int pos = getMappedPosition(theSequence, r, mapping);
+ if (pos < 1 || pos == lastPos)
+ {
+ matched.clear(r);
+ continue;
+ }
+ lastPos = pos;
+ structures[pdbfnum].pdbResNo[r] = pos;
+ }
+ String chain = mapping.getChain();
+ if (chain != null && chain.trim().length() > 0)
+ {
+ structures[pdbfnum].chain = chain;
+ }
+ structures[pdbfnum].pdbId = mapping.getPdbId();
+ structures[pdbfnum].isRna = theSequence.getRNA() != null;
+
+ /*
+ * move on to next pdb file (ignore sequences for other chains
+ * for the same structure)
+ */
+ s = seqCountForPdbFile;
+ break;
+ }
+ }
+ }
+ }
+ return refStructure;
+ }
+
+ /**
+ * Returns true if the structure viewer has loaded all of the files of
+ * interest (identified by the file mapping having been set up), or false if
+ * any are still not loaded after a timeout interval.
+ *
+ * @param files
+ */
+ protected boolean waitForFileLoad(String[] files)
+ {
+ /*
+ * give up after 10 secs plus 1 sec per file
+ */
+ long starttime = System.currentTimeMillis();
+ long endTime = 10000 + 1000 * files.length + starttime;
+ String notLoaded = null;
+
+ boolean waiting = true;
+ while (waiting && System.currentTimeMillis() < endTime)
+ {
+ waiting = false;
+ for (String file : files)
+ {
+ notLoaded = file;
+ if (file == null)
+ {
+ continue;
+ }
+ try
+ {
+ StructureMapping[] sm = getSsm().getMapping(file);
+ if (sm == null || sm.length == 0)
+ {
+ waiting = true;
+ }
+ } catch (Throwable x)
+ {
+ waiting = true;
+ }
+ }
+ }
+
+ if (waiting)
+ {
+ System.err.println(
+ "Timed out waiting for structure viewer to load file "
+ + notLoaded);
+ return false;
+ }
+ return true;
+ }
+
+ @Override
+ public boolean isListeningFor(SequenceI seq)
+ {
+ if (sequence != null)
+ {
+ for (SequenceI[] seqs : sequence)
+ {
+ if (seqs != null)
+ {
+ for (SequenceI s : seqs)
+ {
+ if (s == seq || (s.getDatasetSequence() != null
+ && s.getDatasetSequence() == seq.getDatasetSequence()))
+ {
+ return true;
+ }
+ }
+ }
+ }
+ }
+ return false;
+ }
+
+ public boolean isFinishedInit()
+ {
+ return finishedInit;
+ }
+
+ public void setFinishedInit(boolean fi)
+ {
+ this.finishedInit = fi;
+ }
+
+ /**
+ * Returns a list of chains mapped in this viewer.
+ *
+ * @return
+ */
+ public abstract List<String> getChainNames();
+
+ /**
+ * Returns the Jalview panel hosting the structure viewer (if any)
+ *
+ * @return
+ */
+ public JalviewStructureDisplayI getViewer()
+ {
+ return null;
+ }
+
+ public abstract void setJalviewColourScheme(ColourSchemeI cs);
+
+ /**
+ * Constructs and sends a command to align structures against a reference
+ * structure, based on one or more sequence alignments. May optionally return
+ * an error or warning message for the alignment command.
+ *
+ * @param alignments
+ * an array of alignments to process
+ * @param structureIndices
+ * an array of corresponding reference structures (index into pdb
+ * file array); if a negative value is passed, the first PDB file
+ * mapped to an alignment sequence is used as the reference for
+ * superposition
+ * @param hiddenCols
+ * an array of corresponding hidden columns for each alignment
+ * @return
+ */
+ public abstract String superposeStructures(AlignmentI[] alignments,
+ int[] structureIndices, HiddenColumns[] hiddenCols);
+
+ public abstract void setBackgroundColour(Color col);
+
+ protected abstract StructureMappingcommandSet[] getColourBySequenceCommands(
+ String[] files, SequenceRenderer sr, AlignmentViewPanel avp);
+
+ /**
+ * returns the current sequenceRenderer that should be used to colour the
+ * structures
+ *
+ * @param alignment
+ *
+ * @return
+ */
+ public abstract SequenceRenderer getSequenceRenderer(
+ AlignmentViewPanel alignment);
+
+ protected abstract void colourBySequence(
+ StructureMappingcommandSet[] colourBySequenceCommands);
+
+ public abstract void colourByChain();
+
+ public abstract void colourByCharge();
+
+ /**
+ * Recolours the displayed structures, if they are coloured by sequence, or
+ * 'show only visible alignment' is selected. This supports updating structure
+ * colours on either change of alignment colours, or change to the visible
+ * region of the alignment.
+ */
+ public void colourBySequence(AlignmentViewPanel alignmentv)
+ {
+ if (!isLoadingFinished())
+ {
+ return;
+ }
+ // todo: property change event for visibleAlignment
+ // to avoid unnecessary redraws here
+ if (!colourBySequence && !isShowAlignmentOnly())
+ {
+ return;
+ }
+ if (getSsm() == null)
+ {
+ return;
+ }
+ String[] files = getStructureFiles();
+
+ SequenceRenderer sr = getSequenceRenderer(alignmentv);
+
+ StructureMappingcommandSet[] colourBySequenceCommands = getColourBySequenceCommands(
+ files, sr, alignmentv);
+ colourBySequence(colourBySequenceCommands);
+ }
+
+ public boolean hasFileLoadingError()
+ {
+ return fileLoadingError != null && fileLoadingError.length() > 0;
+ }
+
+ public abstract jalview.api.FeatureRenderer getFeatureRenderer(
+ AlignmentViewPanel alignment);
+
+ /**
+ * Sets the flag for whether only mapped visible residues in the alignment
+ * should be visible in the structure viewer
+ *
+ * @param b
+ */
+ public void setShowAlignmentOnly(boolean b)
+ {
+ showAlignmentOnly = b;
+ }
+
+ /**
+ * Answers true if only mapped visible residues in the alignment should be
+ * visible in the structure viewer, else false
+ *
+ * @return
+ */
+ public boolean isShowAlignmentOnly()
+ {
+ return showAlignmentOnly;
+ }
+
+ /**
+ * Shows the structures in the viewer, without changing their colouring. This is
+ * to support toggling of whether the whole structure is shown, or only residues
+ * mapped to visible regions of the alignment.
+ *
+ * @param alignViewportI
+ */
+ public void showStructures(AlignViewportI alignViewportI)
+ {
+ // override with implementation
+ }
+
+ @Override
+ public void updateColours(Object source)
+ {
+ AlignmentViewPanel ap = (AlignmentViewPanel) source;
+ // ignore events from panels not used to colour this view
+ if (!getViewer().isUsedforcolourby(ap))
+ {
+ return;
+ }
+ if (!isLoadingFromArchive())
+ {
+ colourBySequence(ap);
+ }
+ }
+}