2 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9.0b2)
3 * Copyright (C) 2015 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.analysis.AlignSeq;
24 import jalview.appletgui.AlignmentPanel;
25 import jalview.appletgui.FeatureRenderer;
26 import jalview.appletgui.SequenceRenderer;
27 import jalview.datamodel.PDBEntry;
28 import jalview.datamodel.SequenceI;
29 import jalview.io.StructureFile;
30 import jalview.structure.AtomSpec;
31 import jalview.structure.StructureListener;
32 import jalview.structure.StructureMapping;
33 import jalview.structure.StructureSelectionManager;
34 import jalview.util.MessageManager;
36 import java.awt.Color;
37 import java.awt.Dimension;
38 import java.awt.Event;
40 import java.awt.Graphics;
41 import java.awt.Image;
42 // JBPNote TODO: This class is quite noisy - needs proper log.info/log.debug
43 import java.awt.Panel;
44 import java.awt.event.KeyAdapter;
45 import java.awt.event.KeyEvent;
46 import java.awt.event.MouseEvent;
47 import java.awt.event.MouseListener;
48 import java.awt.event.MouseMotionListener;
49 import java.io.PrintStream;
50 import java.util.List;
51 import java.util.Vector;
53 public class AppletPDBCanvas extends Panel implements MouseListener,
54 MouseMotionListener, StructureListener
57 MCMatrix idmat = new MCMatrix(3, 3);
59 MCMatrix objmat = new MCMatrix(3, 3);
61 boolean redrawneeded = true;
71 public StructureFile pdb;
83 float[] centre = new float[3];
85 float[] width = new float[3];
95 boolean bysequence = true;
97 boolean depthcue = true;
101 boolean bymolecule = false;
103 boolean zbuffer = true;
119 Font font = new Font("Helvetica", Font.PLAIN, 10);
121 public SequenceI[] sequence;
123 final StringBuffer mappingDetails = new StringBuffer();
125 String appletToolTip = null;
131 Vector<String> highlightRes;
133 boolean pdbAction = false;
135 Bond highlightBond1, highlightBond2;
137 boolean errorLoading = false;
139 boolean seqColoursReady = false;
145 StructureSelectionManager ssm;
147 public AppletPDBCanvas(PDBEntry pdbentry, SequenceI[] seq,
148 String[] chains, AlignmentPanel ap, String protocol)
152 this.pdbentry = pdbentry;
155 ssm = StructureSelectionManager
156 .getStructureSelectionManager(ap.av.applet);
160 pdb = ssm.setMapping(seq, chains, pdbentry.getFile(), protocol);
162 if (protocol.equals(jalview.io.AppletFormatAdapter.PASTE))
164 pdbentry.setFile("INLINE" + pdb.getId());
167 } catch (Exception ex)
169 ex.printStackTrace();
173 pdbentry.setId(pdb.getId());
175 ssm.addStructureViewerListener(this);
186 // JUST DEAL WITH ONE SEQUENCE FOR NOW
187 SequenceI sequence = seq[0];
189 for (int i = 0; i < pdb.getChains().size(); i++)
193 .append("\n\nPDB Sequence is :\nSequence = "
194 + pdb.getChains().elementAt(i).sequence
195 .getSequenceAsString());
196 mappingDetails.append("\nNo of residues = "
197 + pdb.getChains().elementAt(i).residues.size() + "\n\n");
199 // Now lets compare the sequences to get
200 // the start and end points.
201 // Align the sequence to the pdb
202 // TODO: DNa/Pep switch
203 AlignSeq as = new AlignSeq(sequence,
204 pdb.getChains().elementAt(i).sequence, pdb.getChains()
205 .elementAt(i).isNa ? AlignSeq.DNA : AlignSeq.PEP);
206 as.calcScoreMatrix();
208 PrintStream ps = new PrintStream(System.out)
211 public void print(String x)
213 mappingDetails.append(x);
217 public void println()
219 mappingDetails.append("\n");
223 as.printAlignment(ps);
225 if (as.maxscore > max)
230 pdbstart = as.seq2start;
232 seqstart = as.seq1start + sequence.getStart() - 1;
233 seqend = as.seq1end + sequence.getEnd() - 1;
236 mappingDetails.append("\nPDB start/end " + pdbstart + " " + pdbend);
237 mappingDetails.append("\nSEQ start/end " + seqstart + " " + seqend);
240 mainchain = pdb.getChains().elementAt(maxchain);
242 mainchain.pdbstart = pdbstart;
243 mainchain.pdbend = pdbend;
244 mainchain.seqstart = seqstart;
245 mainchain.seqend = seqend;
246 mainchain.isVisible = true;
247 // mainchain.makeExactMapping(maxAlignseq, sequence);
248 // mainchain.transferRESNUMFeatures(sequence, null);
250 this.prefsize = new Dimension(getSize().width, getSize().height);
252 // Initialize the matrices to identity
253 for (int i = 0; i < 3; i++)
255 for (int j = 0; j < 3; j++)
259 idmat.addElement(i, j, 0);
260 objmat.addElement(i, j, 0);
264 idmat.addElement(i, j, 1);
265 objmat.addElement(i, j, 1);
270 addMouseMotionListener(this);
271 addMouseListener(this);
273 addKeyListener(new KeyAdapter()
276 public void keyPressed(KeyEvent evt)
290 Vector<Bond> visiblebonds;
294 seqColoursReady = false;
295 // Sort the bonds by z coord
296 visiblebonds = new Vector<Bond>();
298 for (int ii = 0; ii < pdb.getChains().size(); ii++)
300 if (pdb.getChains().elementAt(ii).isVisible)
302 Vector<Bond> tmp = pdb.getChains().elementAt(ii).bonds;
304 for (int i = 0; i < tmp.size(); i++)
306 visiblebonds.addElement(tmp.elementAt(i));
310 seqColoursReady = true;
316 public void findWidth()
318 float[] max = new float[3];
319 float[] min = new float[3];
321 max[0] = (float) -1e30;
322 max[1] = (float) -1e30;
323 max[2] = (float) -1e30;
325 min[0] = (float) 1e30;
326 min[1] = (float) 1e30;
327 min[2] = (float) 1e30;
329 for (int ii = 0; ii < pdb.getChains().size(); ii++)
331 if (pdb.getChains().elementAt(ii).isVisible)
333 Vector<Bond> bonds = pdb.getChains().elementAt(ii).bonds;
335 for (Bond tmp : bonds)
337 if (tmp.start[0] >= max[0])
339 max[0] = tmp.start[0];
342 if (tmp.start[1] >= max[1])
344 max[1] = tmp.start[1];
347 if (tmp.start[2] >= max[2])
349 max[2] = tmp.start[2];
352 if (tmp.start[0] <= min[0])
354 min[0] = tmp.start[0];
357 if (tmp.start[1] <= min[1])
359 min[1] = tmp.start[1];
362 if (tmp.start[2] <= min[2])
364 min[2] = tmp.start[2];
367 if (tmp.end[0] >= max[0])
372 if (tmp.end[1] >= max[1])
377 if (tmp.end[2] >= max[2])
382 if (tmp.end[0] <= min[0])
387 if (tmp.end[1] <= min[1])
392 if (tmp.end[2] <= min[2])
400 width[0] = Math.abs(max[0] - min[0]);
401 width[1] = Math.abs(max[1] - min[1]);
402 width[2] = Math.abs(max[2] - min[2]);
406 if (width[1] > width[0])
411 if (width[2] > width[1])
416 // System.out.println("Maxwidth = " + maxwidth);
419 public float findScale()
425 if (getSize().width != 0)
427 width = getSize().width;
428 height = getSize().height;
432 width = prefsize.width;
433 height = prefsize.height;
445 return (float) (dim / (1.5d * maxwidth));
448 public void findCentre()
456 // Find centre coordinate
457 for (int ii = 0; ii < pdb.getChains().size(); ii++)
459 if (pdb.getChains().elementAt(ii).isVisible)
461 Vector<Bond> bonds = pdb.getChains().elementAt(ii).bonds;
463 bsize += bonds.size();
467 xtot = xtot + b.start[0] + b.end[0];
468 ytot = ytot + b.start[1] + b.end[1];
469 ztot = ztot + b.start[2] + b.end[2];
474 centre[0] = xtot / (2 * (float) bsize);
475 centre[1] = ytot / (2 * (float) bsize);
476 centre[2] = ztot / (2 * (float) bsize);
480 public void paint(Graphics g)
485 g.setColor(Color.white);
486 g.fillRect(0, 0, getSize().width, getSize().height);
487 g.setColor(Color.black);
488 g.setFont(new Font("Verdana", Font.BOLD, 14));
490 MessageManager.getString("label.error_loading_pdb_data"), 50,
491 getSize().height / 2);
495 if (!seqColoursReady)
497 g.setColor(Color.black);
498 g.setFont(new Font("Verdana", Font.BOLD, 14));
499 g.drawString(MessageManager.getString("label.fetching_pdb_data"), 50,
500 getSize().height / 2);
504 // Only create the image at the beginning -
505 // this saves much memory usage
506 if ((img == null) || (prefsize.width != getSize().width)
507 || (prefsize.height != getSize().height))
512 prefsize.width = getSize().width;
513 prefsize.height = getSize().height;
516 img = createImage(prefsize.width, prefsize.height);
517 ig = img.getGraphics();
520 } catch (Exception ex)
522 ex.printStackTrace();
528 drawAll(ig, prefsize.width, prefsize.height);
529 redrawneeded = false;
531 if (appletToolTip != null)
533 ig.setColor(Color.red);
534 ig.drawString(appletToolTip, toolx, tooly);
537 g.drawImage(img, 0, 0, this);
542 public void drawAll(Graphics g, int width, int height)
544 ig.setColor(Color.black);
545 ig.fillRect(0, 0, width, height);
550 public void setColours(jalview.schemes.ColourSchemeI cs)
558 // This method has been taken out of PDBChain to allow
559 // Applet and Application specific sequence renderers to be used
560 void colourBySequence()
562 SequenceRenderer sr = new SequenceRenderer(ap.av);
564 StructureMapping[] mapping = ssm.getMapping(pdbentry.getFile());
566 boolean showFeatures = false;
567 if (ap.av.isShowSequenceFeatures())
571 fr = new jalview.appletgui.FeatureRenderer(ap.av);
574 fr.transferSettings(ap.getFeatureRenderer());
580 if (bysequence && pdb != null)
582 for (int ii = 0; ii < pdb.getChains().size(); ii++)
584 chain = pdb.getChains().elementAt(ii);
586 for (int i = 0; i < chain.bonds.size(); i++)
588 Bond tmp = chain.bonds.elementAt(i);
589 tmp.startCol = Color.lightGray;
590 tmp.endCol = Color.lightGray;
591 if (chain != mainchain)
596 for (int s = 0; s < sequence.length; s++)
598 for (int m = 0; m < mapping.length; m++)
600 if (mapping[m].getSequence() == sequence[s])
602 int pos = mapping[m].getSeqPos(tmp.at1.resNumber) - 1;
605 pos = sequence[s].findIndex(pos);
606 tmp.startCol = sr.getResidueBoxColour(sequence[s], pos);
609 tmp.startCol = fr.findFeatureColour(tmp.startCol,
613 pos = mapping[m].getSeqPos(tmp.at2.resNumber) - 1;
616 pos = sequence[s].findIndex(pos);
617 tmp.endCol = sr.getResidueBoxColour(sequence[s], pos);
620 tmp.endCol = fr.findFeatureColour(tmp.endCol,
635 public void drawScene(Graphics g)
644 zsort.sort(visiblebonds);
648 for (int i = 0; i < visiblebonds.size(); i++)
650 tmpBond = visiblebonds.elementAt(i);
652 xstart = (int) (((tmpBond.start[0] - centre[0]) * scale) + (getSize().width / 2));
653 ystart = (int) (((centre[1] - tmpBond.start[1]) * scale) + (getSize().height / 2));
655 xend = (int) (((tmpBond.end[0] - centre[0]) * scale) + (getSize().width / 2));
656 yend = (int) (((centre[1] - tmpBond.end[1]) * scale) + (getSize().height / 2));
658 xmid = (xend + xstart) / 2;
659 ymid = (yend + ystart) / 2;
661 if (depthcue && !bymolecule)
663 if (tmpBond.start[2] < (centre[2] - (maxwidth / 6)))
665 g.setColor(tmpBond.startCol.darker().darker());
666 drawLine(g, xstart, ystart, xmid, ymid);
668 g.setColor(tmpBond.endCol.darker().darker());
669 drawLine(g, xmid, ymid, xend, yend);
671 else if (tmpBond.start[2] < (centre[2] + (maxwidth / 6)))
673 g.setColor(tmpBond.startCol.darker());
674 drawLine(g, xstart, ystart, xmid, ymid);
676 g.setColor(tmpBond.endCol.darker());
677 drawLine(g, xmid, ymid, xend, yend);
681 g.setColor(tmpBond.startCol);
682 drawLine(g, xstart, ystart, xmid, ymid);
684 g.setColor(tmpBond.endCol);
685 drawLine(g, xmid, ymid, xend, yend);
689 else if (depthcue && bymolecule)
691 if (tmpBond.start[2] < (centre[2] - (maxwidth / 6)))
693 g.setColor(Color.green.darker().darker());
694 drawLine(g, xstart, ystart, xend, yend);
696 else if (tmpBond.start[2] < (centre[2] + (maxwidth / 6)))
698 g.setColor(Color.green.darker());
699 drawLine(g, xstart, ystart, xend, yend);
703 g.setColor(Color.green);
704 drawLine(g, xstart, ystart, xend, yend);
707 else if (!depthcue && !bymolecule)
709 g.setColor(tmpBond.startCol);
710 drawLine(g, xstart, ystart, xmid, ymid);
711 g.setColor(tmpBond.endCol);
712 drawLine(g, xmid, ymid, xend, yend);
716 drawLine(g, xstart, ystart, xend, yend);
719 if (highlightBond1 != null && highlightBond1 == tmpBond)
721 g.setColor(Color.white);
722 drawLine(g, xmid, ymid, xend, yend);
725 if (highlightBond2 != null && highlightBond2 == tmpBond)
727 g.setColor(Color.white);
728 drawLine(g, xstart, ystart, xmid, ymid);
734 public void drawLine(Graphics g, int x1, int y1, int x2, int y2)
738 if (((float) Math.abs(y2 - y1) / (float) Math.abs(x2 - x1)) < 0.5)
740 g.drawLine(x1, y1, x2, y2);
741 g.drawLine(x1 + 1, y1 + 1, x2 + 1, y2 + 1);
742 g.drawLine(x1, y1 - 1, x2, y2 - 1);
746 g.setColor(g.getColor().brighter());
747 g.drawLine(x1, y1, x2, y2);
748 g.drawLine(x1 + 1, y1, x2 + 1, y2);
749 g.drawLine(x1 - 1, y1, x2 - 1, y2);
754 g.drawLine(x1, y1, x2, y2);
758 public Dimension minimumsize()
763 public Dimension preferredsize()
768 public void doKeyPressed(KeyEvent evt)
770 if (evt.getKeyCode() == KeyEvent.VK_UP)
772 scale = (float) (scale * 1.1);
776 else if (evt.getKeyCode() == KeyEvent.VK_DOWN)
778 scale = (float) (scale * 0.9);
785 public void mousePressed(MouseEvent e)
788 Atom fatom = findAtom(e.getX(), e.getY());
791 fatom.isSelected = !fatom.isSelected;
795 if (foundchain != -1)
797 PDBChain chain = pdb.getChains().elementAt(foundchain);
798 if (chain == mainchain)
800 if (fatom.alignmentMapping != -1)
802 if (highlightRes == null)
804 highlightRes = new Vector<String>();
807 final String atomString = Integer
808 .toString(fatom.alignmentMapping);
809 if (highlightRes.contains(atomString))
811 highlightRes.removeElement(atomString);
815 highlightRes.addElement(atomString);
830 public void mouseMoved(MouseEvent e)
833 if (highlightBond1 != null)
835 highlightBond1.at2.isSelected = false;
836 highlightBond2.at1.isSelected = false;
837 highlightBond1 = null;
838 highlightBond2 = null;
841 Atom fatom = findAtom(e.getX(), e.getY());
843 PDBChain chain = null;
844 if (foundchain != -1)
846 chain = pdb.getChains().elementAt(foundchain);
847 if (chain == mainchain)
849 mouseOverStructure(fatom.resNumber, chain.id);
858 appletToolTip = chain.id + ":" + fatom.resNumber + " "
865 mouseOverStructure(-1, chain != null ? chain.id : null);
866 appletToolTip = null;
873 public void mouseClicked(MouseEvent e)
878 public void mouseEntered(MouseEvent e)
883 public void mouseExited(MouseEvent e)
888 public void mouseDragged(MouseEvent evt)
895 MCMatrix objmat = new MCMatrix(3, 3);
896 objmat.setIdentity();
898 if ((evt.getModifiers() & Event.META_MASK) != 0)
900 objmat.rotatez(((mx - omx)));
904 objmat.rotatex(((omy - my)));
905 objmat.rotatey(((omx - mx)));
909 for (PDBChain chain : pdb.getChains())
911 for (Bond tmpBond : chain.bonds)
913 // Translate the bond so the centre is 0,0,0
914 tmpBond.translate(-centre[0], -centre[1], -centre[2]);
916 // Now apply the rotation matrix
917 tmpBond.start = objmat.vectorMultiply(tmpBond.start);
918 tmpBond.end = objmat.vectorMultiply(tmpBond.end);
920 // Now translate back again
921 tmpBond.translate(centre[0], centre[1], centre[2]);
938 public void mouseReleased(MouseEvent evt)
944 void drawLabels(Graphics g)
947 for (PDBChain chain : pdb.getChains())
951 for (Bond tmpBond : chain.bonds)
953 if (tmpBond.at1.isSelected)
955 labelAtom(g, tmpBond, 1);
958 if (tmpBond.at2.isSelected)
960 labelAtom(g, tmpBond, 2);
967 public void labelAtom(Graphics g, Bond b, int n)
973 int xstart = (int) (((b.start[0] - centre[0]) * scale) + (getSize().width / 2));
974 int ystart = (int) (((centre[1] - b.start[1]) * scale) + (getSize().height / 2));
976 g.setColor(Color.red);
977 g.drawString(b.at1.resName + "-" + b.at1.resNumber, xstart, ystart);
982 int xstart = (int) (((b.end[0] - centre[0]) * scale) + (getSize().width / 2));
983 int ystart = (int) (((centre[1] - b.end[1]) * scale) + (getSize().height / 2));
985 g.setColor(Color.red);
986 g.drawString(b.at2.resName + "-" + b.at2.resNumber, xstart, ystart);
992 public Atom findAtom(int x, int y)
998 for (int ii = 0; ii < pdb.getChains().size(); ii++)
1000 PDBChain chain = pdb.getChains().elementAt(ii);
1002 Bond tmpBond = null;
1004 if (chain.isVisible)
1006 Vector<Bond> bonds = pdb.getChains().elementAt(ii).bonds;
1008 for (int i = 0; i < bonds.size(); i++)
1010 tmpBond = bonds.elementAt(i);
1012 truex = (int) (((tmpBond.start[0] - centre[0]) * scale) + (getSize().width / 2));
1014 if (Math.abs(truex - x) <= 2)
1016 int truey = (int) (((centre[1] - tmpBond.start[1]) * scale) + (getSize().height / 2));
1018 if (Math.abs(truey - y) <= 2)
1020 fatom = tmpBond.at1;
1027 // Still here? Maybe its the last bond
1029 truex = (int) (((tmpBond.end[0] - centre[0]) * scale) + (getSize().width / 2));
1031 if (Math.abs(truex - x) <= 2)
1033 int truey = (int) (((tmpBond.end[1] - centre[1]) * scale) + (getSize().height / 2));
1035 if (Math.abs(truey - y) <= 2)
1037 fatom = tmpBond.at2;
1045 if (fatom != null) // )&& chain.ds != null)
1047 chain = pdb.getChains().elementAt(foundchain);
1055 public void update(Graphics g)
1060 public void highlightRes(int ii)
1062 if (!seqColoursReady)
1067 if (highlightRes != null && highlightRes.contains((ii - 1) + ""))
1074 for (index = 0; index < mainchain.bonds.size(); index++)
1076 tmpBond = mainchain.bonds.elementAt(index);
1077 if (tmpBond.at1.alignmentMapping == ii - 1)
1079 if (highlightBond1 != null)
1081 highlightBond1.at2.isSelected = false;
1084 if (highlightBond2 != null)
1086 highlightBond2.at1.isSelected = false;
1089 highlightBond1 = null;
1090 highlightBond2 = null;
1094 highlightBond1 = mainchain.bonds.elementAt(index - 1);
1095 highlightBond1.at2.isSelected = true;
1098 if (index != mainchain.bonds.size())
1100 highlightBond2 = mainchain.bonds.elementAt(index);
1101 highlightBond2.at1.isSelected = true;
1108 redrawneeded = true;
1112 public void setAllchainsVisible(boolean b)
1114 for (int ii = 0; ii < pdb.getChains().size(); ii++)
1116 PDBChain chain = pdb.getChains().elementAt(ii);
1117 chain.isVisible = b;
1119 mainchain.isVisible = true;
1124 // ////////////////////////////////
1125 // /StructureListener
1127 public String[] getPdbFile()
1129 return new String[] { pdbentry.getFile() };
1134 public void mouseOverStructure(int pdbResNum, String chain)
1136 if (lastMessage == null || !lastMessage.equals(pdbResNum + chain))
1138 ssm.mouseOverStructure(pdbResNum, chain, pdbentry.getFile());
1141 lastMessage = pdbResNum + chain;
1144 StringBuffer resetLastRes = new StringBuffer();
1146 StringBuffer eval = new StringBuffer();
1149 * Highlight the specified atoms in the structure.
1154 public void highlightAtoms(List<AtomSpec> atoms)
1156 if (!seqColoursReady)
1160 for (AtomSpec atom : atoms)
1162 int atomIndex = atom.getAtomIndex();
1164 if (highlightRes != null
1165 && highlightRes.contains((atomIndex - 1) + ""))
1170 highlightAtom(atomIndex);
1173 redrawneeded = true;
1180 protected void highlightAtom(int atomIndex)
1184 for (index = 0; index < mainchain.bonds.size(); index++)
1186 tmpBond = mainchain.bonds.elementAt(index);
1187 if (tmpBond.at1.atomIndex == atomIndex)
1189 if (highlightBond1 != null)
1191 highlightBond1.at2.isSelected = false;
1194 if (highlightBond2 != null)
1196 highlightBond2.at1.isSelected = false;
1199 highlightBond1 = null;
1200 highlightBond2 = null;
1204 highlightBond1 = mainchain.bonds.elementAt(index - 1);
1205 highlightBond1.at2.isSelected = true;
1208 if (index != mainchain.bonds.size())
1210 highlightBond2 = mainchain.bonds.elementAt(index);
1211 highlightBond2.at1.isSelected = true;
1219 public Color getColour(int atomIndex, int pdbResNum, String chain,
1223 // if (!pdbfile.equals(pdbentry.getFile()))
1226 // return new Color(viewer.getAtomArgb(atomIndex));
1230 public void updateColours(Object source)
1233 redrawneeded = true;
1238 public void releaseReferences(Object svl)
1240 // TODO Auto-generated method stub
1245 public boolean isListeningFor(SequenceI seq)
1247 if (sequence != null)
1249 for (SequenceI s : sequence)