2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import jalview.api.structures.JalviewStructureDisplayI;
24 import jalview.bin.Cache;
25 import jalview.datamodel.PDBEntry;
26 import jalview.datamodel.SequenceI;
27 import jalview.datamodel.StructureViewerModel;
28 import jalview.structure.StructureSelectionManager;
30 import java.awt.Rectangle;
31 import java.util.ArrayList;
32 import java.util.HashMap;
33 import java.util.LinkedHashMap;
34 import java.util.List;
36 import java.util.Map.Entry;
39 * A proxy for handling structure viewers, that orchestrates adding selected
40 * structures, associated with sequences in Jalview, to an existing viewer, or
41 * opening a new one. Currently supports either Jmol or Chimera as the structure
46 public class StructureViewer
48 private static final String UNKNOWN_VIEWER_TYPE = "Unknown structure viewer type ";
50 StructureSelectionManager ssm;
52 public enum ViewerType
60 * @param structureSelectionManager
62 public StructureViewer(StructureSelectionManager structureSelectionManager)
64 ssm = structureSelectionManager;
67 public ViewerType getViewerType()
69 String viewType = Cache.getDefault(Preferences.STRUCTURE_DISPLAY,
70 ViewerType.JMOL.name());
71 return ViewerType.valueOf(viewType);
74 public void setViewerType(ViewerType type)
76 Cache.setProperty(Preferences.STRUCTURE_DISPLAY, type.name());
80 * View multiple PDB entries, each with associated sequences
87 public JalviewStructureDisplayI viewStructures(PDBEntry[] pdbs,
88 SequenceI[] seqs, AlignmentPanel ap)
90 JalviewStructureDisplayI viewer = onlyOnePdb(pdbs, seqs, ap);
94 * user added structure to an existing viewer - all done
99 ViewerType viewerType = getViewerType();
101 Map<PDBEntry, SequenceI[]> seqsForPdbs = getSequencesForPdbs(pdbs,
103 PDBEntry[] pdbsForFile = seqsForPdbs.keySet().toArray(
104 new PDBEntry[seqsForPdbs.size()]);
105 SequenceI[][] theSeqs = seqsForPdbs.values().toArray(
106 new SequenceI[seqsForPdbs.size()][]);
107 JalviewStructureDisplayI sview = null;
108 if (viewerType.equals(ViewerType.JMOL))
110 sview = new AppJmol(ap, pdbsForFile, theSeqs);
112 else if (viewerType.equals(ViewerType.CHIMERA))
114 sview = new ChimeraViewFrame(pdbsForFile, theSeqs, ap);
118 Cache.log.error(UNKNOWN_VIEWER_TYPE + getViewerType().toString());
124 * Converts the list of selected PDB entries (possibly including duplicates
125 * for multiple chains), and corresponding sequences, into a map of sequences
126 * for each distinct PDB file. Returns null if either argument is null, or
127 * their lengths do not match.
133 Map<PDBEntry, SequenceI[]> getSequencesForPdbs(PDBEntry[] pdbs,
136 if (pdbs == null || seqs == null || pdbs.length != seqs.length)
142 * we want only one 'representative' PDBEntry per distinct file name
143 * (there may be entries for distinct chains)
145 Map<String, PDBEntry> pdbsSeen = new HashMap<>();
148 * LinkedHashMap preserves order of PDB entries (significant if they
149 * will get superimposed to the first structure)
151 Map<PDBEntry, List<SequenceI>> pdbSeqs = new LinkedHashMap<>();
152 for (int i = 0; i < pdbs.length; i++)
154 PDBEntry pdb = pdbs[i];
155 SequenceI seq = seqs[i];
156 String pdbFile = pdb.getFile();
157 if (pdbFile == null || pdbFile.length() == 0)
159 pdbFile = pdb.getId();
161 if (!pdbsSeen.containsKey(pdbFile))
163 pdbsSeen.put(pdbFile, pdb);
164 pdbSeqs.put(pdb, new ArrayList<SequenceI>());
168 pdb = pdbsSeen.get(pdbFile);
170 List<SequenceI> seqsForPdb = pdbSeqs.get(pdb);
171 if (!seqsForPdb.contains(seq))
178 * convert to Map<PDBEntry, SequenceI[]>
180 Map<PDBEntry, SequenceI[]> result = new LinkedHashMap<>();
181 for (Entry<PDBEntry, List<SequenceI>> entry : pdbSeqs.entrySet())
183 List<SequenceI> theSeqs = entry.getValue();
184 result.put(entry.getKey(),
185 theSeqs.toArray(new SequenceI[theSeqs.size()]));
192 * A strictly temporary method pending JAL-1761 refactoring. Determines if all
193 * the passed PDB entries are the same (this is the case if selected sequences
194 * to view structure for are chains of the same structure). If so, calls the
195 * single-pdb version of viewStructures and returns the viewer, else returns
203 private JalviewStructureDisplayI onlyOnePdb(PDBEntry[] pdbs,
204 SequenceI[] seqsForPdbs, AlignmentPanel ap)
206 List<SequenceI> seqs = new ArrayList<SequenceI>();
207 if (pdbs == null || pdbs.length == 0)
212 String firstFile = pdbs[0].getFile();
213 for (PDBEntry pdb : pdbs)
215 String pdbFile = pdb.getFile();
216 if (pdbFile == null || !pdbFile.equals(firstFile))
220 SequenceI pdbseq = seqsForPdbs[i++];
226 return viewStructures(pdbs[0], seqs.toArray(new SequenceI[seqs.size()]),
230 public JalviewStructureDisplayI viewStructures(PDBEntry pdb,
231 SequenceI[] seqsForPdb, AlignmentPanel ap)
233 ViewerType viewerType = getViewerType();
234 JalviewStructureDisplayI sview = null;
235 if (viewerType.equals(ViewerType.JMOL))
237 sview = new AppJmol(pdb, seqsForPdb, null, ap);
239 else if (viewerType.equals(ViewerType.CHIMERA))
241 sview = new ChimeraViewFrame(pdb, seqsForPdb, null, ap);
245 Cache.log.error(UNKNOWN_VIEWER_TYPE + getViewerType().toString());
251 * Create a new panel controlling a structure viewer.
264 public JalviewStructureDisplayI createView(ViewerType type, String[] pdbf,
265 String[] id, SequenceI[][] sq, AlignmentPanel alignPanel,
266 StructureViewerModel viewerData, String fileloc, Rectangle rect,
269 final boolean useinViewerSuperpos = viewerData.isAlignWithPanel();
270 final boolean usetoColourbyseq = viewerData.isColourWithAlignPanel();
271 final boolean viewerColouring = viewerData.isColourByViewer();
273 JalviewStructureDisplayI sview = null;
277 sview = new AppJmol(pdbf, id, sq, alignPanel, usetoColourbyseq,
278 useinViewerSuperpos, viewerColouring, fileloc, rect, vid);
282 "Unsupported structure viewer type " + type.toString());
285 Cache.log.error(UNKNOWN_VIEWER_TYPE + type.toString());