+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ 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.
+ *
+ * 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/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
package jalview.gui;
+import jalview.api.AlignmentViewPanel;
+import jalview.bin.Cache;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.HiddenColumns;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SequenceI;
+import jalview.gui.StructureViewer.ViewerType;
+import jalview.gui.ViewSelectionMenu.ViewSetProvider;
+import jalview.io.DataSourceType;
+import jalview.io.JalviewFileChooser;
+import jalview.io.JalviewFileView;
+import jalview.jbgui.GStructureViewer;
+import jalview.schemes.ColourSchemeI;
+import jalview.schemes.ColourSchemes;
+import jalview.structure.StructureMapping;
+import jalview.structures.models.AAStructureBindingModel;
+import jalview.util.MessageManager;
+
+import java.awt.Color;
import java.awt.Component;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Vector;
+import javax.swing.ButtonGroup;
+import javax.swing.JCheckBoxMenuItem;
+import javax.swing.JColorChooser;
+import javax.swing.JMenu;
import javax.swing.JMenuItem;
-
-import jalview.gui.StructureViewer.ViewerType;
-import jalview.gui.ViewSelectionMenu.ViewSetProvider;
-import jalview.jbgui.GStructureViewer;
+import javax.swing.JRadioButtonMenuItem;
+import javax.swing.event.MenuEvent;
+import javax.swing.event.MenuListener;
/**
* Base class with common functionality for JMol, Chimera or other structure
public abstract class StructureViewerBase extends GStructureViewer
implements Runnable, ViewSetProvider
{
+ /*
+ * names for colour options (additional to Jalview colour schemes)
+ */
+ enum ViewerColour
+ {
+ BySequence, ByChain, ChargeCysteine, ByViewer
+ }
/**
* list of sequenceSet ids associated with the view
*/
- protected List<String> _aps = new ArrayList<String>();
+ protected List<String> _aps = new ArrayList<>();
+
/**
* list of alignment panels to use for superposition
*/
- protected Vector<AlignmentPanel> _alignwith = new Vector<AlignmentPanel>();
+ protected Vector<AlignmentPanel> _alignwith = new Vector<>();
+
/**
* list of alignment panels that are used for colouring structures by aligned
* sequences
*/
- protected Vector<AlignmentPanel> _colourwith = new Vector<AlignmentPanel>();
+ protected Vector<AlignmentPanel> _colourwith = new Vector<>();
+
private String viewId = null;
+
private AlignmentPanel ap;
+ protected boolean alignAddedStructures = false;
+
+ protected volatile boolean _started = false;
+
+ protected volatile boolean addingStructures = false;
+
+ protected Thread worker = null;
+
+ protected boolean allChainsSelected = false;
+
+ protected JMenu viewSelectionMenu;
+
+ /**
+ * set after sequence colouring has been applied for this structure viewer.
+ * used to determine if the final sequence/structure mapping has been
+ * determined
+ */
+ protected volatile boolean seqColoursApplied = false;
+
+ /**
+ * Default constructor
+ */
+ public StructureViewerBase()
+ {
+ super();
+ }
+
+ /**
+ * @return true if added structures should be aligned to existing one(s)
+ */
+ @Override
+ public boolean isAlignAddedStructures()
+ {
+ return alignAddedStructures;
+ }
+
+ /**
+ *
+ * @param true
+ * if added structures should be aligned to existing one(s)
+ */
+ @Override
+ public void setAlignAddedStructures(boolean alignAdded)
+ {
+ alignAddedStructures = alignAdded;
+ }
+
/**
*
* @param ap2
public boolean isUsedforaligment(AlignmentPanel ap2)
{
-
+
return (_alignwith != null) && _alignwith.contains(ap2);
}
{
if (_alignwith == null)
{
- _alignwith = new Vector<AlignmentPanel>();
+ _alignwith = new Vector<>();
}
if (_alignwith.size() == 0 && ap != null)
{
this.ap = alp;
}
+ @Override
public AlignmentPanel[] getAllAlignmentPanels()
{
AlignmentPanel[] t, list = new AlignmentPanel[0];
list = t;
}
}
-
+
return list;
}
}
}
- public void useAlignmentPanelForColourbyseq(AlignmentPanel nap, boolean enableColourBySeq)
+ public void useAlignmentPanelForColourbyseq(AlignmentPanel nap,
+ boolean enableColourBySeq)
{
useAlignmentPanelForColourbyseq(nap);
getBinding().setColourBySequence(enableColourBySeq);
}
public abstract ViewerType getViewerType();
+
+ protected abstract IProgressIndicator getIProgressIndicator();
+
+ /**
+ * add a new structure (with associated sequences and chains) to this viewer,
+ * retrieving it if necessary first.
+ *
+ * @param pdbentry
+ * @param seqs
+ * @param chains
+ * @param align
+ * if true, new structure(s) will be aligned using associated
+ * alignment
+ * @param alignFrame
+ */
+ protected void addStructure(final PDBEntry pdbentry,
+ final SequenceI[] seqs, final String[] chains,
+ final IProgressIndicator alignFrame)
+ {
+ if (pdbentry.getFile() == null)
+ {
+ if (worker != null && worker.isAlive())
+ {
+ // a retrieval is in progress, wait around and add ourselves to the
+ // queue.
+ new Thread(new Runnable()
+ {
+ @Override
+ public void run()
+ {
+ while (worker != null && worker.isAlive() && _started)
+ {
+ try
+ {
+ Thread.sleep(100 + ((int) Math.random() * 100));
+
+ } catch (Exception e)
+ {
+ }
+ }
+ // and call ourselves again.
+ addStructure(pdbentry, seqs, chains, alignFrame);
+ }
+ }).start();
+ return;
+ }
+ }
+ // otherwise, start adding the structure.
+ getBinding().addSequenceAndChain(new PDBEntry[] { pdbentry },
+ new SequenceI[][]
+ { seqs }, new String[][] { chains });
+ addingStructures = true;
+ _started = false;
+ worker = new Thread(this);
+ worker.start();
+ return;
+ }
+
+ protected boolean hasPdbId(String pdbId)
+ {
+ return getBinding().hasPdbId(pdbId);
+ }
+
+ /**
+ * Returns a list of any viewer of the instantiated type. The list is
+ * restricted to those linked to the given alignment panel if it is not null.
+ */
+ protected List<StructureViewerBase> getViewersFor(AlignmentPanel alp)
+ {
+ return Desktop.instance.getStructureViewers(alp, this.getClass());
+ }
+
+ @Override
+ public void addToExistingViewer(PDBEntry pdbentry, SequenceI[] seq,
+ String[] chains, final AlignmentViewPanel apanel, String pdbId)
+ {
+ /*
+ * JAL-1742 exclude view with this structure already mapped (don't offer
+ * to align chain B to chain A of the same structure); code may defend
+ * against this possibility before we reach here
+ */
+ if (hasPdbId(pdbId))
+ {
+ return;
+ }
+ AlignmentPanel alignPanel = (AlignmentPanel) apanel; // Implementation error if this
+ // cast fails
+ useAlignmentPanelForSuperposition(alignPanel);
+ addStructure(pdbentry, seq, chains, alignPanel.alignFrame);
+ }
+
+ /**
+ * Adds mappings for the given sequences to an already opened PDB structure,
+ * and updates any viewers that have the PDB file
+ *
+ * @param seq
+ * @param chains
+ * @param apanel
+ * @param pdbFilename
+ */
+ public void addSequenceMappingsToStructure(SequenceI[] seq,
+ String[] chains, final AlignmentViewPanel alpanel,
+ String pdbFilename)
+ {
+ AlignmentPanel apanel = (AlignmentPanel) alpanel;
+
+ // TODO : Fix multiple seq to one chain issue here.
+ /*
+ * create the mappings
+ */
+ apanel.getStructureSelectionManager().setMapping(seq, chains,
+ pdbFilename, DataSourceType.FILE, getIProgressIndicator());
+
+ /*
+ * alert the FeatureRenderer to show new (PDB RESNUM) features
+ */
+ if (apanel.getSeqPanel().seqCanvas.fr != null)
+ {
+ apanel.getSeqPanel().seqCanvas.fr.featuresAdded();
+ // note - we don't do a refresh for structure here because we do it
+ // explicitly for all panels later on
+ apanel.paintAlignment(true, false);
+ }
+
+ /*
+ * add the sequences to any other viewers (of the same type) for this pdb
+ * file
+ */
+ // JBPNOTE: this looks like a binding routine, rather than a gui routine
+ for (StructureViewerBase viewer : getViewersFor(null))
+ {
+ AAStructureBindingModel bindingModel = viewer.getBinding();
+ for (int pe = 0; pe < bindingModel.getPdbCount(); pe++)
+ {
+ if (bindingModel.getPdbEntry(pe).getFile().equals(pdbFilename))
+ {
+ bindingModel.addSequence(pe, seq);
+ viewer.addAlignmentPanel(apanel);
+ /*
+ * add it to the set of alignments used for colouring structure by
+ * sequence
+ */
+ viewer.useAlignmentPanelForColourbyseq(apanel);
+ viewer.buildActionMenu();
+ apanel.getStructureSelectionManager()
+ .sequenceColoursChanged(apanel);
+ break;
+ }
+ }
+ }
+ }
+
+ @Override
+ public boolean addAlreadyLoadedFile(SequenceI[] seq, String[] chains,
+ final AlignmentViewPanel apanel, String pdbId)
+ {
+ String alreadyMapped = apanel.getStructureSelectionManager()
+ .alreadyMappedToFile(pdbId);
+
+ if (alreadyMapped == null)
+ {
+ return false;
+ }
+
+ addSequenceMappingsToStructure(seq, chains, apanel, alreadyMapped);
+ return true;
+ }
+
+ void setChainMenuItems(List<String> chainNames)
+ {
+ chainMenu.removeAll();
+ if (chainNames == null || chainNames.isEmpty())
+ {
+ return;
+ }
+ JMenuItem menuItem = new JMenuItem(
+ MessageManager.getString("label.all"));
+ menuItem.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent evt)
+ {
+ allChainsSelected = true;
+ for (int i = 0; i < chainMenu.getItemCount(); i++)
+ {
+ if (chainMenu.getItem(i) instanceof JCheckBoxMenuItem)
+ {
+ ((JCheckBoxMenuItem) chainMenu.getItem(i)).setSelected(true);
+ }
+ }
+ showSelectedChains();
+ allChainsSelected = false;
+ }
+ });
+
+ chainMenu.add(menuItem);
+
+ for (String chain : chainNames)
+ {
+ menuItem = new JCheckBoxMenuItem(chain, true);
+ menuItem.addItemListener(new ItemListener()
+ {
+ @Override
+ public void itemStateChanged(ItemEvent evt)
+ {
+ if (!allChainsSelected)
+ {
+ showSelectedChains();
+ }
+ }
+ });
+
+ chainMenu.add(menuItem);
+ }
+ }
+
+ abstract void showSelectedChains();
+
+ /**
+ * Action on selecting one of Jalview's registered colour schemes
+ */
+ @Override
+ public void changeColour_actionPerformed(String colourSchemeName)
+ {
+ AlignmentI al = getAlignmentPanel().av.getAlignment();
+ ColourSchemeI cs = ColourSchemes.getInstance()
+ .getColourScheme(colourSchemeName, al, null);
+ getBinding().setJalviewColourScheme(cs);
+ }
+
+ /**
+ * Builds the colour menu
+ */
+ protected void buildColourMenu()
+ {
+ colourMenu.removeAll();
+ AlignmentI al = getAlignmentPanel().av.getAlignment();
+
+ /*
+ * add colour by sequence, by chain, by charge and cysteine
+ */
+ colourMenu.add(seqColour);
+ colourMenu.add(chainColour);
+ colourMenu.add(chargeColour);
+ chargeColour.setEnabled(!al.isNucleotide());
+
+ /*
+ * add all 'simple' (per-residue) colour schemes registered to Jalview
+ */
+ ButtonGroup itemGroup = ColourMenuHelper.addMenuItems(colourMenu, this,
+ al, true);
+
+ /*
+ * add 'colour by viewer' (menu item text is set in subclasses)
+ */
+ viewerColour.setSelected(false);
+ viewerColour.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent actionEvent)
+ {
+ viewerColour_actionPerformed(actionEvent);
+ }
+ });
+ colourMenu.add(viewerColour);
+
+ /*
+ * add 'set background colour'
+ */
+ JMenuItem backGround = new JMenuItem();
+ backGround
+ .setText(MessageManager.getString("action.background_colour"));
+ backGround.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent actionEvent)
+ {
+ background_actionPerformed(actionEvent);
+ }
+ });
+ colourMenu.add(backGround);
+
+ /*
+ * add colour buttons to a group so their selection is
+ * mutually exclusive (background colour is a separate option)
+ */
+ itemGroup.add(seqColour);
+ itemGroup.add(chainColour);
+ itemGroup.add(chargeColour);
+ itemGroup.add(viewerColour);
+ }
+
+ /**
+ * Construct menu items
+ */
+ protected void initMenus()
+ {
+ AAStructureBindingModel binding = getBinding();
+
+ seqColour = new JRadioButtonMenuItem();
+ seqColour.setText(MessageManager.getString("action.by_sequence"));
+ seqColour.setName(ViewerColour.BySequence.name());
+ seqColour.setSelected(binding.isColourBySequence());
+ seqColour.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent actionEvent)
+ {
+ seqColour_actionPerformed(actionEvent);
+ }
+ });
+
+ chainColour = new JRadioButtonMenuItem();
+ chainColour.setText(MessageManager.getString("action.by_chain"));
+ chainColour.setName(ViewerColour.ByChain.name());
+ chainColour.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent actionEvent)
+ {
+ chainColour_actionPerformed(actionEvent);
+ }
+ });
+
+ chargeColour = new JRadioButtonMenuItem();
+ chargeColour.setText(MessageManager.getString("label.charge_cysteine"));
+ chargeColour.setName(ViewerColour.ChargeCysteine.name());
+ chargeColour.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent actionEvent)
+ {
+ chargeColour_actionPerformed(actionEvent);
+ }
+ });
+
+ viewerColour = new JRadioButtonMenuItem();
+ // text is set in overrides of this method
+ viewerColour.setName(ViewerColour.ByViewer.name());
+ viewerColour.setSelected(!binding.isColourBySequence());
+
+ if (_colourwith == null)
+ {
+ _colourwith = new Vector<>();
+ }
+ if (_alignwith == null)
+ {
+ _alignwith = new Vector<>();
+ }
+
+ ViewSelectionMenu seqColourBy = new ViewSelectionMenu(
+ MessageManager.getString("label.colour_by"), this, _colourwith,
+ new ItemListener()
+ {
+ @Override
+ public void itemStateChanged(ItemEvent e)
+ {
+ if (!seqColour.isSelected())
+ {
+ seqColour.doClick();
+ }
+ else
+ {
+ // update the Chimera display now.
+ seqColour_actionPerformed(null);
+ }
+ }
+ });
+ viewMenu.add(seqColourBy);
+
+ final ItemListener handler = new ItemListener()
+ {
+ @Override
+ public void itemStateChanged(ItemEvent e)
+ {
+ alignStructs.setEnabled(!_alignwith.isEmpty());
+ alignStructs.setToolTipText(MessageManager.formatMessage(
+ "label.align_structures_using_linked_alignment_views",
+ _alignwith.size()));
+ }
+ };
+ viewSelectionMenu = new ViewSelectionMenu(
+ MessageManager.getString("label.superpose_with"), this,
+ _alignwith, handler);
+ handler.itemStateChanged(null);
+ viewerActionMenu.add(viewSelectionMenu, 0);
+ viewerActionMenu.addMenuListener(new MenuListener()
+ {
+ @Override
+ public void menuSelected(MenuEvent e)
+ {
+ handler.itemStateChanged(null);
+ }
+
+ @Override
+ public void menuDeselected(MenuEvent e)
+ {
+ }
+
+ @Override
+ public void menuCanceled(MenuEvent e)
+ {
+ }
+ });
+
+ buildColourMenu();
+ }
+
+ @Override
+ public void setJalviewColourScheme(ColourSchemeI cs)
+ {
+ getBinding().setJalviewColourScheme(cs);
+ }
+
+ /**
+ * Sends commands to the structure viewer to superimpose structures based on
+ * currently associated alignments. May optionally return an error message for
+ * the operation.
+ */
+ @Override
+ protected String alignStructs_actionPerformed(ActionEvent actionEvent)
+ {
+ return alignStructs_withAllAlignPanels();
+ }
+
+ protected String alignStructs_withAllAlignPanels()
+ {
+ if (getAlignmentPanel() == null)
+ {
+ return null;
+ }
+
+ if (_alignwith.size() == 0)
+ {
+ _alignwith.add(getAlignmentPanel());
+ }
+
+ String reply = null;
+ try
+ {
+ AlignmentI[] als = new Alignment[_alignwith.size()];
+ HiddenColumns[] alc = new HiddenColumns[_alignwith.size()];
+ int[] alm = new int[_alignwith.size()];
+ int a = 0;
+
+ for (AlignmentPanel alignPanel : _alignwith)
+ {
+ als[a] = alignPanel.av.getAlignment();
+ alm[a] = -1;
+ alc[a++] = alignPanel.av.getAlignment().getHiddenColumns();
+ }
+ reply = getBinding().superposeStructures(als, alm, alc);
+ if (reply != null)
+ {
+ String text = MessageManager
+ .formatMessage("error.superposition_failed", reply);
+ statusBar.setText(text);
+ }
+ } catch (Exception e)
+ {
+ StringBuffer sp = new StringBuffer();
+ for (AlignmentPanel alignPanel : _alignwith)
+ {
+ sp.append("'" + alignPanel.alignFrame.getTitle() + "' ");
+ }
+ Cache.log.info("Couldn't align structures with the " + sp.toString()
+ + "associated alignment panels.", e);
+ }
+ return reply;
+ }
+
+ @Override
+ public void background_actionPerformed(ActionEvent actionEvent)
+ {
+ Color col = JColorChooser.showDialog(this,
+ MessageManager.getString("label.select_background_colour"),
+ null);
+ if (col != null)
+ {
+ getBinding().setBackgroundColour(col);
+ }
+ }
+
+ @Override
+ public void viewerColour_actionPerformed(ActionEvent actionEvent)
+ {
+ if (viewerColour.isSelected())
+ {
+ // disable automatic sequence colouring.
+ getBinding().setColourBySequence(false);
+ }
+ }
+
+ @Override
+ public void chainColour_actionPerformed(ActionEvent actionEvent)
+ {
+ chainColour.setSelected(true);
+ getBinding().colourByChain();
+ }
+
+ @Override
+ public void chargeColour_actionPerformed(ActionEvent actionEvent)
+ {
+ chargeColour.setSelected(true);
+ getBinding().colourByCharge();
+ }
+
+ @Override
+ public void seqColour_actionPerformed(ActionEvent actionEvent)
+ {
+ AAStructureBindingModel binding = getBinding();
+ binding.setColourBySequence(seqColour.isSelected());
+ if (_colourwith == null)
+ {
+ _colourwith = new Vector<>();
+ }
+ if (binding.isColourBySequence())
+ {
+ if (!binding.isLoadingFromArchive())
+ {
+ if (_colourwith.size() == 0 && getAlignmentPanel() != null)
+ {
+ // Make the currently displayed alignment panel the associated view
+ _colourwith.add(getAlignmentPanel().alignFrame.alignPanel);
+ }
+ }
+ // Set the colour using the current view for the associated alignframe
+ for (AlignmentPanel alignPanel : _colourwith)
+ {
+ binding.colourBySequence(alignPanel);
+ }
+ seqColoursApplied = true;
+ }
+ }
+
+ @Override
+ public void pdbFile_actionPerformed(ActionEvent actionEvent)
+ {
+ JalviewFileChooser chooser = new JalviewFileChooser(
+ Cache.getProperty("LAST_DIRECTORY"));
+
+ chooser.setFileView(new JalviewFileView());
+ chooser.setDialogTitle(MessageManager.getString("label.save_pdb_file"));
+ chooser.setToolTipText(MessageManager.getString("action.save"));
+
+ int value = chooser.showSaveDialog(this);
+
+ if (value == JalviewFileChooser.APPROVE_OPTION)
+ {
+ BufferedReader in = null;
+ try
+ {
+ // TODO: cope with multiple PDB files in view
+ in = new BufferedReader(
+ new FileReader(getBinding().getStructureFiles()[0]));
+ File outFile = chooser.getSelectedFile();
+
+ PrintWriter out = new PrintWriter(new FileOutputStream(outFile));
+ String data;
+ while ((data = in.readLine()) != null)
+ {
+ if (!(data.indexOf("<PRE>") > -1 || data.indexOf("</PRE>") > -1))
+ {
+ out.println(data);
+ }
+ }
+ out.close();
+ } catch (Exception ex)
+ {
+ ex.printStackTrace();
+ } finally
+ {
+ if (in != null)
+ {
+ try
+ {
+ in.close();
+ } catch (IOException e)
+ {
+ // ignore
+ }
+ }
+ }
+ }
+ }
+
+ @Override
+ public void viewMapping_actionPerformed(ActionEvent actionEvent)
+ {
+ CutAndPasteTransfer cap = new CutAndPasteTransfer();
+ try
+ {
+ cap.appendText(getBinding().printMappings());
+ } catch (OutOfMemoryError e)
+ {
+ new OOMWarning(
+ "composing sequence-structure alignments for display in text box.",
+ e);
+ cap.dispose();
+ return;
+ }
+ Desktop.addInternalFrame(cap,
+ MessageManager.getString("label.pdb_sequence_mapping"), 550,
+ 600);
+ }
+
+ protected abstract String getViewerName();
+
+ /**
+ * Configures the title and menu items of the viewer panel.
+ */
+ @Override
+ public void updateTitleAndMenus()
+ {
+ AAStructureBindingModel binding = getBinding();
+ if (binding.hasFileLoadingError())
+ {
+ repaint();
+ return;
+ }
+ setChainMenuItems(binding.getChainNames());
+
+ this.setTitle(binding.getViewerTitle(getViewerName(), true));
+
+ /*
+ * enable 'Superpose with' if more than one mapped structure
+ */
+ viewSelectionMenu.setEnabled(false);
+ if (getBinding().getStructureFiles().length > 1
+ && getBinding().getSequence().length > 1)
+ {
+ viewSelectionMenu.setEnabled(true);
+ }
+
+ /*
+ * Show action menu if it has any enabled items
+ */
+ viewerActionMenu.setVisible(false);
+ for (int i = 0; i < viewerActionMenu.getItemCount(); i++)
+ {
+ if (viewerActionMenu.getItem(i).isEnabled())
+ {
+ viewerActionMenu.setVisible(true);
+ break;
+ }
+ }
+
+ if (!binding.isLoadingFromArchive())
+ {
+ seqColour_actionPerformed(null);
+ }
+ }
+
+ @Override
+ public String toString()
+ {
+ return getTitle();
+ }
+
+ @Override
+ public boolean hasMapping()
+ {
+ if (worker != null && (addingStructures || _started))
+ {
+ return false;
+ }
+ if (getBinding() == null)
+ {
+ if (_aps == null || _aps.size() == 0)
+ {
+ // viewer has been closed, but we did at some point run.
+ return true;
+ }
+ return false;
+ }
+ String[] pdbids = getBinding().getStructureFiles();
+ if (pdbids == null)
+ {
+ return false;
+ }
+ int p=0;
+ for (String pdbid:pdbids) {
+ StructureMapping sm[] = getBinding().getSsm().getMapping(pdbid);
+ if (sm!=null && sm.length>0 && sm[0]!=null) {
+ p++;
+ }
+ }
+ // only return true if there is a mapping for every structure file we have loaded
+ if (p == 0 || p != pdbids.length)
+ {
+ return false;
+ }
+ // and that coloring has been applied
+ return seqColoursApplied;
+ }
+
+ @Override
+ public void raiseViewer()
+ {
+ toFront();
+ }
+
}