*/
package jalview.structures.models;
+import java.awt.Color;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.BitSet;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+
+import javax.swing.SwingUtilities;
+
import jalview.api.AlignViewportI;
import jalview.api.AlignmentViewPanel;
import jalview.api.FeatureRenderer;
import jalview.api.SequenceRenderer;
import jalview.api.StructureSelectionManagerProvider;
import jalview.api.structures.JalviewStructureDisplayI;
+import jalview.bin.Console;
import jalview.datamodel.AlignmentI;
+import jalview.datamodel.ColumnSelection;
import jalview.datamodel.HiddenColumns;
+import jalview.datamodel.MappedFeatures;
import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SequenceFeature;
import jalview.datamodel.SequenceI;
+import jalview.ext.rbvi.chimera.JalviewChimeraBinding;
+import jalview.gui.AlignmentPanel;
+import jalview.gui.Desktop;
import jalview.gui.StructureViewer.ViewerType;
import jalview.io.DataSourceType;
+import jalview.io.StructureFile;
import jalview.renderer.seqfeatures.FeatureColourFinder;
import jalview.schemes.ColourSchemeI;
import jalview.schemes.ResidueProperties;
import jalview.structure.AtomSpec;
import jalview.structure.AtomSpecModel;
+import jalview.structure.StructureCommandI;
import jalview.structure.StructureCommandsI;
-import jalview.structure.StructureCommandsI.SuperposeData;
+import jalview.structure.StructureCommandsI.AtomSpecType;
import jalview.structure.StructureListener;
import jalview.structure.StructureMapping;
import jalview.structure.StructureSelectionManager;
import jalview.util.Comparison;
import jalview.util.MessageManager;
-import java.awt.Color;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.BitSet;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-
-import javax.swing.SwingUtilities;
-
/**
*
- * A base class to hold common function for protein structure model binding.
- * Initial version created by refactoring JMol and Chimera binding models, but
- * other structure viewers could in principle be accommodated in future.
+ * A base class to hold common function for 3D structure model binding. Initial
+ * version created by refactoring JMol and Chimera binding models, but other
+ * structure viewers could in principle be accommodated in future.
*
* @author gmcarstairs
*
extends SequenceStructureBindingModel
implements StructureListener, StructureSelectionManagerProvider
{
+ /**
+ * Data bean class to simplify parameterisation in superposeStructures
+ */
+ public static class SuperposeData
+ {
+ public String filename;
+
+ public String pdbId;
+
+ public String chain = "";
+
+ /**
+ * is the mapped sequence not protein ?
+ */
+ public boolean isRna;
+
+ /*
+ * The pdb residue number (if any) mapped to columns of the alignment
+ */
+ public int[] pdbResNo; // or use SparseIntArray?
+
+ public String modelId;
+
+ /**
+ * Constructor
+ *
+ * @param width
+ * width of alignment (number of columns that may potentially
+ * participate in superposition)
+ * @param model
+ * structure viewer model number
+ */
+ public SuperposeData(int width, String model)
+ {
+ pdbResNo = new int[width];
+ modelId = model;
+ }
+ }
+
private static final int MIN_POS_TO_SUPERPOSE = 4;
private static final String COLOURING_STRUCTURES = MessageManager
protected boolean colourBySequence = true;
+ /**
+ * true if all sequences appear to be nucleotide
+ */
private boolean nucleotide;
private boolean finishedInit = false;
/**
- * current set of model filenames loaded in the Jmol instance
+ * current set of model filenames loaded in the viewer
*/
protected String[] modelFileNames = null;
public String fileLoadingError;
+ protected Thread externalViewerMonitor;
+
/**
* Constructor
*
chains = newchains;
return chainmaps > 0;
}
+
public StructureSelectionManager getSsm()
{
return ssm;
* @return
*/
protected int findSuperposableResidues(AlignmentI alignment,
- BitSet matched, SuperposeData[] structures)
+ BitSet matched,
+ AAStructureBindingModel.SuperposeData[] structures)
{
int refStructure = -1;
String[] files = getStructureFiles();
structures[pdbfnum].chain = chain;
}
structures[pdbfnum].pdbId = mapping.getPdbId();
- structures[pdbfnum].isRna = theSequence.getRNA() != null;
+ structures[pdbfnum].isRna = !theSequence.isProtein();
/*
* move on to next pdb file (ignore sequences for other chains
if (waiting)
{
- System.err.println(
+ jalview.bin.Console.errPrintln(
"Timed out waiting for structure viewer to load file "
+ notLoaded);
return false;
{
AlignmentI alignment = view.getAlignment();
HiddenColumns hiddenCols = alignment.getHiddenColumns();
-
/*
* 'matched' bit i will be set for visible alignment columns i where
* all sequences have a residue with a mapping to their PDB structure
*/
- BitSet matched = new BitSet();
final int width = alignment.getWidth();
- for (int m = 0; m < width; m++)
+ BitSet matched = new BitSet();
+ ColumnSelection cs = view.getAlignViewport().getColumnSelection();
+ // restrict to active column selection, if there is one
+ if (cs != null && cs.hasSelectedColumns()
+ && cs.getSelected().size() >= 4)
{
- if (hiddenCols == null || hiddenCols.isVisible(m))
+ for (int s : cs.getSelected())
{
- matched.set(m);
+ matched.set(s);
}
}
-
- SuperposeData[] structures = new SuperposeData[files.length];
+ else
+ {
+ for (int m = 0; m < width; m++)
+ {
+ if (hiddenCols == null || hiddenCols.isVisible(m))
+ {
+ matched.set(m);
+ }
+ }
+ }
+ AAStructureBindingModel.SuperposeData[] structures = new AAStructureBindingModel.SuperposeData[files.length];
for (int f = 0; f < files.length; f++)
{
- structures[f] = new SuperposeData(width,
- f + commandGenerator.getModelStartNo());
+ structures[f] = new AAStructureBindingModel.SuperposeData(width,
+ getModelIdForFile(files[f]));
}
/*
* Calculate the superposable alignment columns ('matched'), and the
* corresponding structure residue positions (structures.pdbResNo)
*/
- int refStructure = findSuperposableResidues(alignment,
- matched, structures);
+ int refStructure = findSuperposableResidues(alignment, matched,
+ structures);
/*
* require at least 4 positions to be able to execute superposition
int nmatched = matched.cardinality();
if (nmatched < MIN_POS_TO_SUPERPOSE)
{
- String msg = MessageManager.formatMessage("label.insufficient_residues",
- nmatched);
+ String msg = MessageManager
+ .formatMessage("label.insufficient_residues", nmatched);
error += view.getViewName() + ": " + msg + "; ";
continue;
}
* Show all as backbone before doing superposition(s)
* (residues used for matching will be shown as ribbon)
*/
- executeCommand(commandGenerator.showBackbone(), false);
-
+ // todo better way to ensure synchronous than setting getReply true!!
+ executeCommands(commandGenerator.showBackbone(), true, null);
+
+ AtomSpecType backbone = structures[refStructure].isRna
+ ? AtomSpecType.PHOSPHATE
+ : AtomSpecType.ALPHA;
+ List<AtomSpecModel> models = new ArrayList<AtomSpecModel>();
+ models.add(refAtoms);
/*
* superpose each (other) structure to the reference in turn
*/
if (i != refStructure)
{
AtomSpecModel atomSpec = getAtomSpec(structures[i], matched);
- String commands = commandGenerator.superposeStructures(refAtoms,
- atomSpec);
- List<String> replies = executeCommands(true, commands);
+ List<StructureCommandI> commands = commandGenerator
+ .superposeStructures(refAtoms, atomSpec, backbone);
+ List<String> replies = executeCommands(commands, true, null);
for (String reply : replies)
{
// return this error (Chimera only) to the user
- if (reply.toLowerCase().contains("unequal numbers of atoms"))
+ if (reply.toLowerCase(Locale.ROOT)
+ .contains("unequal numbers of atoms"))
{
error += "; " + reply;
}
}
+ models.add(atomSpec);
}
}
+ List<StructureCommandI> finalView = commandGenerator
+ .centerViewOn(models);
+ if (finalView != null && finalView.size() > 0)
+ {
+ executeCommands(finalView, false, "Centered on Superposition");
+ }
}
-
return error;
}
- private AtomSpecModel getAtomSpec(SuperposeData superposeData,
+ private AtomSpecModel getAtomSpec(
+ AAStructureBindingModel.SuperposeData superposeData,
BitSet matched)
{
AtomSpecModel model = new AtomSpecModel();
while (nextColumnMatch != -1)
{
int pdbResNum = superposeData.pdbResNo[nextColumnMatch];
- model.addRange(superposeData.modelNo, pdbResNum, pdbResNum,
+ model.addRange(superposeData.modelId, pdbResNum, pdbResNum,
superposeData.chain);
nextColumnMatch = matched.nextSetBit(nextColumnMatch + 1);
}
// TODO: JAL-628 colour chains distinctly across all visible models
- executeCommand(commandGenerator.colourByChain(), false,
- COLOURING_STRUCTURES);
+ executeCommand(false, COLOURING_STRUCTURES,
+ commandGenerator.colourByChain());
}
/**
{
colourBySequence = false;
- executeCommand(commandGenerator.colourByCharge(), false,
+ executeCommands(commandGenerator.colourByCharge(), false,
COLOURING_STRUCTURES);
}
{
return;
}
-
+
/*
* build a map of {Residue3LetterCode, Color}
*/
/*
* pass to the command constructor, and send the command
*/
- String cmd = commandGenerator.colourByResidues(colours);
- executeCommand(cmd, false, COLOURING_STRUCTURES);
+ List<StructureCommandI> cmd = commandGenerator
+ .colourByResidues(colours);
+ executeCommands(cmd, false, COLOURING_STRUCTURES);
}
public void setBackgroundColour(Color col)
{
- String cmd = commandGenerator.setBackgroundColour(col);
- executeCommand(cmd, false, null);
+ StructureCommandI cmd = commandGenerator.setBackgroundColour(col);
+ executeCommand(false, null, cmd);
}
/**
- * Sends one command to the structure viewer. If {@code getReply} is true, the
- * command is sent synchronously, otherwise in a deferred thread.
- * <p>
- * If a progress message is supplied, this is displayed before command
- * execution, and removed afterwards.
+ * Execute one structure viewer command. If {@code getReply} is true, may
+ * optionally return one or more reply messages, else returns null.
*
* @param cmd
* @param getReply
+ */
+ protected abstract List<String> executeCommand(StructureCommandI cmd,
+ boolean getReply);
+
+ /**
+ * Executes one or more structure viewer commands
+ *
+ * @param commands
+ * @param getReply
* @param msg
- * @return
*/
- private List<String> executeCommand(String cmd, boolean getReply,
- String msg)
+ public List<String> executeCommands(List<StructureCommandI> commands,
+ boolean getReply, String msg)
{
- if (getReply)
- {
- return executeSynchronous(cmd, msg, getReply);
- }
- else
- {
- executeAsynchronous(cmd, msg);
- return null;
- }
+ return executeCommand(getReply, msg,
+ commands.toArray(new StructureCommandI[commands.size()]));
}
/**
- * Sends the command in the current thread. If a message is supplied, this is
- * shown before the thread is started, and removed when it completes. May
- * return a reply to the command if requested.
+ * Executes one or more structure viewer commands, optionally returning the
+ * reply, and optionally showing a status message while the command is being
+ * executed.
+ * <p>
+ * If a reply is wanted, the execution is done synchronously (waits),
+ * otherwise it is done in a separate thread (doesn't wait). WARNING: if you
+ * are sending commands that need to execute before later calls to
+ * executeCommand (e.g. mouseovers, which clean up after previous ones) then
+ * set getReply true to ensure that commands are not executed out of order.
*
- * @param cmd
- * @param msg
* @param getReply
+ * @param msg
+ * @param cmds
* @return
*/
- private List<String> executeSynchronous(String cmd, String msg, boolean getReply)
+ protected List<String> executeCommand(boolean getReply, String msg,
+ StructureCommandI... cmds)
{
- final JalviewStructureDisplayI theViewer = getViewer();
+ JalviewStructureDisplayI theViewer = getViewer();
final long handle = msg == null ? 0 : theViewer.startProgressBar(msg);
- try
- {
- return executeCommand(cmd, getReply);
- } finally
+
+ if (getReply)
{
- if (msg != null)
+ /*
+ * execute and wait for reply
+ */
+ List<String> response = new ArrayList<>();
+ try
+ {
+ for (StructureCommandI cmd : cmds)
+ {
+ List<String> replies = executeCommand(cmd, true);
+ if (replies != null)
+ {
+ response.addAll(replies);
+ }
+ }
+ return response;
+ } finally
{
- theViewer.stopProgressBar(null, handle);
+ if (msg != null)
+ {
+ theViewer.stopProgressBar(null, handle);
+ }
}
}
- }
-
- /**
- * Sends the command in a separate thread. If a message is supplied, this is
- * shown before the thread is started, and removed when it completes. No value
- * is returned.
- *
- * @param cmd
- * @param msg
- */
- private void executeAsynchronous(String cmd, String msg)
- {
- final JalviewStructureDisplayI theViewer = getViewer();
- final long handle = msg == null ? 0 : theViewer.startProgressBar(msg);
- SwingUtilities.invokeLater(new Runnable()
+ /*
+ * fire and forget
+ */
+ String threadName = msg == null ? "StructureCommand" : msg;
+ new Thread(new Runnable()
{
@Override
public void run()
{
try
{
- executeCommand(cmd, false);
+ for (StructureCommandI cmd : cmds)
+ {
+ executeCommand(cmd, false);
+ }
} finally
{
if (msg != null)
{
- theViewer.stopProgressBar(null, handle);
+ SwingUtilities.invokeLater(new Runnable()
+ {
+ @Override
+ public void run()
+ {
+ theViewer.stopProgressBar(null, handle);
+ }
+ });
}
}
}
- });
- }
-
- protected abstract List<String> executeCommand(String command,
- boolean getReply);
-
- protected List<String> executeCommands(boolean getReply,
- String... commands)
- {
- // todo: tidy this up
- List<String> response = getReply ? new ArrayList<>() : null;
- for (String cmd : commands)
- {
- List<String> replies = executeCommand(cmd, getReply);
- if (getReply && replies != null)
- {
- response.addAll(replies);
- }
- }
- return response;
+ }, threadName).start();
+ return null;
}
/**
- * colour any structures associated with sequences in the given alignment
- * using the getFeatureRenderer() and getSequenceRenderer() renderers but only
- * if colourBySequence is enabled.
+ * Colours any structures associated with sequences in the given alignment as
+ * coloured in the alignment view, provided colourBySequence is enabled
*/
public void colourBySequence(AlignmentViewPanel alignmentv)
{
- if (!colourBySequence || !isLoadingFinished())
- {
- return;
- }
- if (getSsm() == null)
+ if (!colourBySequence || !isLoadingFinished() || getSsm() == null)
{
return;
}
- String[] files = getStructureFiles();
-
- SequenceRenderer sr = getSequenceRenderer(alignmentv);
- Map<Object, AtomSpecModel> colourMap = buildColoursMap(ssm, files,
- sequence, sr, alignmentv);
+ Map<Object, AtomSpecModel> colourMap = buildColoursMap(ssm, sequence,
+ alignmentv);
- String[] colourBySequenceCommands = commandGenerator
+ List<StructureCommandI> colourBySequenceCommands = commandGenerator
.colourBySequence(colourMap);
- executeCommands(false, colourBySequenceCommands);
+ executeCommands(colourBySequenceCommands, false, COLOURING_STRUCTURES);
}
/**
*/
public void focusView()
{
- executeCommand(commandGenerator.focusView(), false);
+ executeCommand(false, null, commandGenerator.focusView());
}
/**
if (tokens.length == 2)
{
String pdbFile = getFileForChain(chainId);
- int modelNo = getModelNoForFile(pdbFile);
- String model = modelNo == -1 ? "" : String.valueOf(modelNo);
+ String model = getModelIdForFile(pdbFile);
showThese.add(model + ":" + tokens[1]);
}
}
- executeCommand(commandGenerator.showChains(showThese), false);
+ executeCommands(commandGenerator.showChains(showThese), false, null);
}
/**
- * Answers the structure viewer's model number given a PDB file name. Returns
- * -1 if model number is not found.
+ * Answers the structure viewer's model id given a PDB file name. Returns an
+ * empty string if model id is not found.
*
* @param chainId
* @return
*/
- protected abstract int getModelNoForFile(String chainId);
+ protected abstract String getModelIdForFile(String chainId);
public boolean hasFileLoadingError()
{
}
/**
- * Returns the FeatureRenderer for the given alignment view, or null if
- * feature display is turned off in the view.
+ * Returns the FeatureRenderer for the given alignment view
*
* @param avp
* @return
{
AlignmentViewPanel ap = (avp == null) ? getViewer().getAlignmentPanel()
: avp;
- return ap.getAlignViewport().isShowSequenceFeatures()
- ? ap.getFeatureRenderer()
- : null;
+ if (ap == null)
+ {
+ return null;
+ }
+ return ap.getFeatureRenderer();
}
protected void setStructureCommands(StructureCommandsI cmd)
@Override
public void updateColours(Object source)
{
+ if (getViewer() == null)
+ {
+ // can happen if a viewer was not instantiated or cleaned up and is still
+ // registered - mostly during tests
+ return;
+ }
AlignmentViewPanel ap = (AlignmentViewPanel) source;
// ignore events from panels not used to colour this view
if (!getViewer().isUsedForColourBy(ap))
protected abstract ViewerType getViewerType();
/**
- * Send a structure viewer command asynchronously in a new thread. If the
- * progress message is not null, display this message while the command is
- * executing.
- *
- * @param command
- * @param progressMsg
- */
- protected void sendAsynchronousCommand(String command, String progressMsg)
- {
- final JalviewStructureDisplayI theViewer = getViewer();
- final long handle = progressMsg == null ? 0
- : theViewer.startProgressBar(progressMsg);
- SwingUtilities.invokeLater(new Runnable()
- {
- @Override
- public void run()
- {
- try
- {
- executeCommand(command, false);
- } finally
- {
- if (progressMsg != null)
- {
- theViewer.stopProgressBar(null, handle);
- }
- }
- }
- });
-
- }
-
- /**
* Builds a data structure which records mapped structure residues for each
* colour. From this we can easily generate the viewer commands for colour by
* sequence. Constructs and returns a map of {@code Color} to
* {@code AtomSpecModel}, where the atomspec model holds
*
* <pre>
- * Model numbers
+ * Model ids
* Chains
* Residue positions
* </pre>
* models and chains)
*
* @param ssm
- * @param files
* @param sequence
- * @param sr
* @param viewPanel
* @return
*/
protected Map<Object, AtomSpecModel> buildColoursMap(
- StructureSelectionManager ssm, String[] files,
- SequenceI[][] sequence, SequenceRenderer sr, AlignmentViewPanel viewPanel)
+ StructureSelectionManager ssm, SequenceI[][] sequence,
+ AlignmentViewPanel viewPanel)
{
+ String[] files = getStructureFiles();
+ SequenceRenderer sr = getSequenceRenderer(viewPanel);
FeatureRenderer fr = viewPanel.getFeatureRenderer();
FeatureColourFinder finder = new FeatureColourFinder(fr);
AlignViewportI viewport = viewPanel.getAlignViewport();
AlignmentI al = viewport.getAlignment();
Map<Object, AtomSpecModel> colourMap = new LinkedHashMap<>();
Color lastColour = null;
-
+
for (int pdbfnum = 0; pdbfnum < files.length; pdbfnum++)
{
- final int modelNumber = pdbfnum + commandGenerator.getModelStartNo();
+ final String modelId = getModelIdForFile(files[pdbfnum]);
StructureMapping[] mapping = ssm.getMapping(files[pdbfnum]);
-
+
if (mapping == null || mapping.length < 1)
{
continue;
}
-
+
int startPos = -1, lastPos = -1;
String lastChain = "";
for (int s = 0; s < sequence[pdbfnum].length; s++)
continue;
}
int pos = mapping[m].getPDBResNum(asp.findPosition(r));
-
+
if (pos < 1 || pos == lastPos)
{
continue;
}
-
+
Color colour = sr.getResidueColour(seq, r, finder);
-
+
/*
* darker colour for hidden regions
*/
{
colour = Color.GRAY;
}
-
+
final String chain = mapping[m].getChain();
-
+
/*
* Just keep incrementing the end position for this colour range
* _unless_ colour, PDB model or chain has changed, or there is a
{
if (startPos != -1)
{
- addAtomSpecRange(colourMap, lastColour, modelNumber,
- startPos, lastPos, lastChain);
+ addAtomSpecRange(colourMap, lastColour, modelId, startPos,
+ lastPos, lastChain);
}
startPos = pos;
}
// final colour range
if (lastColour != null)
{
- addAtomSpecRange(colourMap, lastColour, modelNumber, startPos,
+ addAtomSpecRange(colourMap, lastColour, modelId, startPos,
lastPos, lastChain);
}
// break;
}
/**
- * Helper method to add one contiguous range to the AtomSpec model for the given
- * value (creating the model if necessary). As used by Jalview, {@code value} is
+ * todo better refactoring (map lookup or similar to get viewer structure id)
+ *
+ * @param pdbfnum
+ * @param file
+ * @return
+ */
+ protected String getModelId(int pdbfnum, String file)
+ {
+ return String.valueOf(pdbfnum);
+ }
+
+ /**
+ * Saves chains, formatted as "pdbId:chainCode", and lookups from this to the
+ * full PDB file path
+ *
+ * @param pdb
+ * @param file
+ */
+ public void stashFoundChains(StructureFile pdb, String file)
+ {
+ for (int i = 0; i < pdb.getChains().size(); i++)
+ {
+ String chid = pdb.getId() + ":" + pdb.getChains().elementAt(i).id;
+ addChainFile(chid, file);
+ getChainNames().add(chid);
+ }
+ }
+
+ /**
+ * Helper method to add one contiguous range to the AtomSpec model for the
+ * given value (creating the model if necessary). As used by Jalview,
+ * {@code value} is
* <ul>
* <li>a colour, when building a 'colour structure by sequence' command</li>
* <li>a feature value, when building a 'set Chimera attributes from features'
* @param chain
*/
public static final void addAtomSpecRange(Map<Object, AtomSpecModel> map,
- Object value,
- int model, int startPos, int endPos, String chain)
+ Object value, String model, int startPos, int endPos,
+ String chain)
{
/*
* Get/initialize map of data for the colour
atomSpec = new AtomSpecModel();
map.put(value, atomSpec);
}
-
+
atomSpec.addRange(model, startPos, endPos, chain);
}
+
+ /**
+ * Returns the file extension (including '.' separator) to use for a saved
+ * viewer session file. Default is to return null (not supported), override as
+ * required.
+ *
+ * @return
+ */
+ public String getSessionFileExtension()
+ {
+ return null;
+ }
+
+ /**
+ * If supported, saves the state of the structure viewer to a temporary file
+ * and returns the file. Returns null and logs an error on any failure.
+ *
+ * @return
+ */
+ public File saveSession()
+ {
+ String prefix = getViewerType().toString();
+ String suffix = getSessionFileExtension();
+ File f = null;
+ try
+ {
+ f = File.createTempFile(prefix, suffix);
+ saveSession(f);
+ } catch (IOException e)
+ {
+ Console.error(String.format("Error saving %s session: %s", prefix,
+ e.toString()));
+ }
+
+ return f;
+ }
+
+
+ /**
+ * Use restoreSession when you want to restore a previously saved sesssion to
+ * the running viewer instance.
+ *
+ * @param absolutePath
+ */
+ public void restoreSession(String absolutePath)
+ {
+ String prefix = getViewerType().toString();
+ try {
+
+ StructureCommandI cmd = commandGenerator.restoreSession(absolutePath);
+ if (cmd != null)
+ {
+ executeCommand(cmd, false);
+ }
+ } catch (Throwable e)
+ {
+ Console.error(String.format("Error restoring %s session: %s", prefix,
+ e.toString()));
+ }
+
+ }
+
+ /**
+ * Saves the structure viewer session to the given file
+ *
+ * @param f
+ */
+ protected void saveSession(File f)
+ {
+ StructureCommandI cmd = commandGenerator.saveSession(f.getPath());
+ if (cmd != null)
+ {
+ executeCommand(cmd, false);
+ }
+ }
+
+ /**
+ * Returns true if the viewer is an external structure viewer for which the
+ * process is still alive, else false (for Jmol, or an external viewer which
+ * the user has independently closed)
+ *
+ * @return
+ */
+ public boolean isViewerRunning()
+ {
+ return false;
+ }
+
+ /**
+ * Closes Jalview's structure viewer panel and releases associated resources.
+ * If it is managing an external viewer program, and {@code forceClose} is
+ * true, also asks that program to close.
+ *
+ * @param forceClose
+ */
+ public void closeViewer(boolean forceClose)
+ {
+ getSsm().removeStructureViewerListener(this, this.getStructureFiles());
+ releaseUIResources();
+
+ /*
+ * end the thread that closes this panel if the external viewer closes
+ */
+ if (externalViewerMonitor != null)
+ {
+ externalViewerMonitor.interrupt();
+ externalViewerMonitor = null;
+ }
+
+ stopListening();
+
+ if (forceClose)
+ {
+ StructureCommandI cmd = getCommandGenerator().closeViewer();
+ if (cmd != null)
+ {
+ executeCommand(cmd, false);
+ }
+ }
+ }
+
+ /**
+ * Returns the URL of a help page for the structure viewer, or null if none is
+ * known
+ *
+ * @return
+ */
+ public String getHelpURL()
+ {
+ return null;
+ }
+
+ /**
+ * <pre>
+ * Helper method to build a map of
+ * { featureType, { feature value, AtomSpecModel } }
+ * </pre>
+ *
+ * @param viewPanel
+ * @return
+ */
+ protected Map<String, Map<Object, AtomSpecModel>> buildFeaturesMap(
+ AlignmentViewPanel viewPanel)
+ {
+ Map<String, Map<Object, AtomSpecModel>> theMap = new LinkedHashMap<>();
+ String[] files = getStructureFiles();
+ if (files == null)
+ {
+ return theMap;
+ }
+
+ FeatureRenderer fr = viewPanel.getFeatureRenderer();
+ if (fr == null)
+ {
+ return theMap;
+ }
+
+ AlignViewportI viewport = viewPanel.getAlignViewport();
+ List<String> visibleFeatures = fr.getDisplayedFeatureTypes();
+
+ /*
+ * if alignment is showing features from complement, we also transfer
+ * these features to the corresponding mapped structure residues
+ */
+ boolean showLinkedFeatures = viewport.isShowComplementFeatures();
+ List<String> complementFeatures = new ArrayList<>();
+ FeatureRenderer complementRenderer = null;
+ if (showLinkedFeatures)
+ {
+ AlignViewportI comp = fr.getViewport().getCodingComplement();
+ if (comp != null)
+ {
+ complementRenderer = Desktop.getAlignFrameFor(comp)
+ .getFeatureRenderer();
+ complementFeatures = complementRenderer.getDisplayedFeatureTypes();
+ }
+ }
+ if (visibleFeatures.isEmpty() && complementFeatures.isEmpty())
+ {
+ return theMap;
+ }
+
+ AlignmentI alignment = viewPanel.getAlignment();
+ SequenceI[][] seqs = getSequence();
+
+ for (int pdbfnum = 0; pdbfnum < files.length; pdbfnum++)
+ {
+ String modelId = getModelIdForFile(files[pdbfnum]);
+ StructureMapping[] mapping = ssm.getMapping(files[pdbfnum]);
+
+ if (mapping == null || mapping.length < 1)
+ {
+ continue;
+ }
+
+ for (int seqNo = 0; seqNo < seqs[pdbfnum].length; seqNo++)
+ {
+ for (int m = 0; m < mapping.length; m++)
+ {
+ final SequenceI seq = seqs[pdbfnum][seqNo];
+ int sp = alignment.findIndex(seq);
+ StructureMapping structureMapping = mapping[m];
+ if (structureMapping.getSequence() == seq && sp > -1)
+ {
+ /*
+ * found a sequence with a mapping to a structure;
+ * now scan its features
+ */
+ if (!visibleFeatures.isEmpty())
+ {
+ scanSequenceFeatures(visibleFeatures, structureMapping, seq,
+ theMap, modelId);
+ }
+ if (showLinkedFeatures)
+ {
+ scanComplementFeatures(complementRenderer, structureMapping,
+ seq, theMap, modelId);
+ }
+ }
+ }
+ }
+ }
+ return theMap;
+ }
+
+ /**
+ * Ask the structure viewer to open a session file. Returns true if
+ * successful, else false (or not supported).
+ *
+ * @param filepath
+ * @return
+ */
+ public boolean openSession(String filepath)
+ {
+ StructureCommandI cmd = getCommandGenerator().openSession(filepath);
+ if (cmd == null)
+ {
+ return false;
+ }
+ executeCommand(cmd, true);
+ // todo: test for failure - how?
+ return true;
+ }
+
+ /**
+ * Scans visible features in mapped positions of the CDS/peptide complement,
+ * and adds any found to the map of attribute values/structure positions
+ *
+ * @param complementRenderer
+ * @param structureMapping
+ * @param seq
+ * @param theMap
+ * @param modelNumber
+ */
+ protected static void scanComplementFeatures(
+ FeatureRenderer complementRenderer,
+ StructureMapping structureMapping, SequenceI seq,
+ Map<String, Map<Object, AtomSpecModel>> theMap,
+ String modelNumber)
+ {
+ /*
+ * for each sequence residue mapped to a structure position...
+ */
+ for (int seqPos : structureMapping.getMapping().keySet())
+ {
+ /*
+ * find visible complementary features at mapped position(s)
+ */
+ MappedFeatures mf = complementRenderer
+ .findComplementFeaturesAtResidue(seq, seqPos);
+ if (mf != null)
+ {
+ for (SequenceFeature sf : mf.features)
+ {
+ String type = sf.getType();
+
+ /*
+ * Don't copy features which originated from Chimera
+ */
+ if (JalviewChimeraBinding.CHIMERA_FEATURE_GROUP
+ .equals(sf.getFeatureGroup()))
+ {
+ continue;
+ }
+
+ /*
+ * record feature 'value' (score/description/type) as at the
+ * corresponding structure position
+ */
+ List<int[]> mappedRanges = structureMapping
+ .getPDBResNumRanges(seqPos, seqPos);
+
+ if (!mappedRanges.isEmpty())
+ {
+ String value = sf.getDescription();
+ if (value == null || value.length() == 0)
+ {
+ value = type;
+ }
+ float score = sf.getScore();
+ if (score != 0f && !Float.isNaN(score))
+ {
+ value = Float.toString(score);
+ }
+ Map<Object, AtomSpecModel> featureValues = theMap.get(type);
+ if (featureValues == null)
+ {
+ featureValues = new HashMap<>();
+ theMap.put(type, featureValues);
+ }
+ for (int[] range : mappedRanges)
+ {
+ addAtomSpecRange(featureValues, value, modelNumber, range[0],
+ range[1], structureMapping.getChain());
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Inspect features on the sequence; for each feature that is visible,
+ * determine its mapped ranges in the structure (if any) according to the
+ * given mapping, and add them to the map.
+ *
+ * @param visibleFeatures
+ * @param mapping
+ * @param seq
+ * @param theMap
+ * @param modelId
+ */
+ protected static void scanSequenceFeatures(List<String> visibleFeatures,
+ StructureMapping mapping, SequenceI seq,
+ Map<String, Map<Object, AtomSpecModel>> theMap, String modelId)
+ {
+ List<SequenceFeature> sfs = seq.getFeatures().getPositionalFeatures(
+ visibleFeatures.toArray(new String[visibleFeatures.size()]));
+ for (SequenceFeature sf : sfs)
+ {
+ String type = sf.getType();
+
+ /*
+ * Don't copy features which originated from Chimera
+ */
+ if (JalviewChimeraBinding.CHIMERA_FEATURE_GROUP
+ .equals(sf.getFeatureGroup()))
+ {
+ continue;
+ }
+
+ List<int[]> mappedRanges = mapping.getPDBResNumRanges(sf.getBegin(),
+ sf.getEnd());
+
+ if (!mappedRanges.isEmpty())
+ {
+ String value = sf.getDescription();
+ if (value == null || value.length() == 0)
+ {
+ value = type;
+ }
+ float score = sf.getScore();
+ if (score != 0f && !Float.isNaN(score))
+ {
+ value = Float.toString(score);
+ }
+ Map<Object, AtomSpecModel> featureValues = theMap.get(type);
+ if (featureValues == null)
+ {
+ featureValues = new HashMap<>();
+ theMap.put(type, featureValues);
+ }
+ for (int[] range : mappedRanges)
+ {
+ addAtomSpecRange(featureValues, value, modelId, range[0],
+ range[1], mapping.getChain());
+ }
+ }
+ }
+ }
+
+ /**
+ * Returns the number of structure files in the structure viewer and mapped to
+ * Jalview. This may be zero if the files are still in the process of loading
+ * in the viewer.
+ *
+ * @return
+ */
+ public int getMappedStructureCount()
+ {
+ String[] files = getStructureFiles();
+ return files == null ? 0 : files.length;
+ }
+
+ /**
+ * Starts a thread that waits for the external viewer program process to
+ * finish, so that we can then close the associated resources. This avoids
+ * leaving orphaned viewer panels in Jalview if the user closes the external
+ * viewer.
+ *
+ * @param p
+ */
+ protected void startExternalViewerMonitor(Process p)
+ {
+ externalViewerMonitor = new Thread(new Runnable()
+ {
+
+ @Override
+ public void run()
+ {
+ try
+ {
+ p.waitFor();
+ JalviewStructureDisplayI display = getViewer();
+ if (display != null)
+ {
+ display.closeViewer(false);
+ }
+ } catch (InterruptedException e)
+ {
+ // exit thread if Chimera Viewer is closed in Jalview
+ }
+ }
+ });
+ externalViewerMonitor.start();
+ }
+
+ /**
+ * If supported by the external structure viewer, sends it commands to notify
+ * model or selection changes to the specified URL (where Jalview has started
+ * a listener)
+ *
+ * @param uri
+ */
+ protected void startListening(String uri)
+ {
+ List<StructureCommandI> commands = getCommandGenerator()
+ .startNotifications(uri);
+ if (commands != null)
+ {
+ executeCommands(commands, false, null);
+ }
+ }
+
+ /**
+ * If supported by the external structure viewer, sends it commands to stop
+ * notifying model or selection changes
+ */
+ protected void stopListening()
+ {
+ List<StructureCommandI> commands = getCommandGenerator()
+ .stopNotifications();
+ if (commands != null)
+ {
+ executeCommands(commands, false, null);
+ }
+ }
+
+ /**
+ * If supported by the structure viewer, queries it for all residue attributes
+ * with the given attribute name, and creates features on corresponding
+ * residues of the alignment. Returns the number of features added.
+ *
+ * @param attName
+ * @param alignmentPanel
+ * @return
+ */
+ public int copyStructureAttributesToFeatures(String attName,
+ AlignmentPanel alignmentPanel)
+ {
+ StructureCommandI cmd = getCommandGenerator()
+ .getResidueAttributes(attName);
+ if (cmd == null)
+ {
+ return 0;
+ }
+ List<String> residueAttributes = executeCommand(cmd, true);
+
+ int featuresAdded = createFeaturesForAttributes(attName,
+ residueAttributes);
+ if (featuresAdded > 0)
+ {
+ alignmentPanel.getFeatureRenderer().featuresAdded();
+ }
+ return featuresAdded;
+ }
+
+ /**
+ * Parses {@code residueAttributes} and creates sequence features on any
+ * mapped alignment residues. Returns the number of features created.
+ * <p>
+ * {@code residueAttributes} is the reply from the structure viewer to a
+ * command to list any residue attributes for the given attribute name. Syntax
+ * and parsing of this is viewer-specific.
+ *
+ * @param attName
+ * @param residueAttributes
+ * @return
+ */
+ protected int createFeaturesForAttributes(String attName,
+ List<String> residueAttributes)
+ {
+ return 0;
+ }
+
+ /**
+ * list the ligands available for display/hiding in the current view
+ * @return HETATM CODE:Molecule name
+ */
+ public Map<String, String> getHetatmNames() {
+ return Collections.EMPTY_MAP;
+ }
+ /**
+ * Generates and executes a command to show the given hetatm types as CPK
+ *
+ * @param toShow - one or more of strings from getHetatmNames
+ */
+ public void showHetatms(List<String> toShow)
+ {
+ executeCommands(commandGenerator.showHetatms(toShow), false, "Adjusting hetatm visibility");
+ }
+
}