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.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.DataSourceType;
30 import jalview.io.StructureFile;
31 import jalview.structure.AtomSpec;
32 import jalview.structure.StructureListener;
33 import jalview.structure.StructureMapping;
34 import jalview.structure.StructureSelectionManager;
35 import jalview.util.MessageManager;
37 import java.awt.Color;
38 import java.awt.Dimension;
39 import java.awt.Event;
41 import java.awt.Graphics;
42 import java.awt.Image;
43 // JBPNote TODO: This class is quite noisy - needs proper log.info/log.debug
44 import java.awt.Panel;
45 import java.awt.event.KeyAdapter;
46 import java.awt.event.KeyEvent;
47 import java.awt.event.MouseEvent;
48 import java.awt.event.MouseListener;
49 import java.awt.event.MouseMotionListener;
50 import java.io.PrintStream;
51 import java.util.List;
52 import java.util.Vector;
54 public class AppletPDBCanvas extends Panel implements MouseListener,
55 MouseMotionListener, StructureListener
58 MCMatrix idmat = new MCMatrix(3, 3);
60 MCMatrix objmat = new MCMatrix(3, 3);
62 boolean redrawneeded = true;
72 public StructureFile pdb;
84 float[] centre = new float[3];
86 float[] width = new float[3];
96 boolean bysequence = true;
98 boolean depthcue = true;
100 boolean wire = false;
102 boolean bymolecule = false;
104 boolean zbuffer = true;
120 Font font = new Font("Helvetica", Font.PLAIN, 10);
122 public SequenceI[] sequence;
124 final StringBuffer mappingDetails = new StringBuffer();
126 String appletToolTip = null;
132 Vector<String> highlightRes;
134 boolean pdbAction = false;
136 Bond highlightBond1, highlightBond2;
138 boolean errorLoading = false;
140 boolean seqColoursReady = false;
146 StructureSelectionManager ssm;
148 public AppletPDBCanvas(PDBEntry pdbentry, SequenceI[] seq,
149 String[] chains, AlignmentPanel ap, DataSourceType protocol)
153 this.pdbentry = pdbentry;
156 ssm = StructureSelectionManager
157 .getStructureSelectionManager(ap.av.applet);
161 pdb = ssm.setMapping(seq, chains, pdbentry.getFile(), protocol);
163 if (protocol == DataSourceType.PASTE)
165 pdbentry.setFile("INLINE" + pdb.getId());
168 } catch (Exception ex)
170 ex.printStackTrace();
174 pdbentry.setId(pdb.getId());
176 ssm.addStructureViewerListener(this);
187 // JUST DEAL WITH ONE SEQUENCE FOR NOW
188 SequenceI sequence = seq[0];
190 for (int i = 0; i < pdb.getChains().size(); i++)
194 .append("\n\nPDB Sequence is :\nSequence = "
195 + pdb.getChains().elementAt(i).sequence
196 .getSequenceAsString());
197 mappingDetails.append("\nNo of residues = "
198 + pdb.getChains().elementAt(i).residues.size() + "\n\n");
200 // Now lets compare the sequences to get
201 // the start and end points.
202 // Align the sequence to the pdb
203 // TODO: DNa/Pep switch
204 AlignSeq as = new AlignSeq(sequence,
205 pdb.getChains().elementAt(i).sequence, pdb.getChains()
206 .elementAt(i).isNa ? AlignSeq.DNA : AlignSeq.PEP);
207 as.calcScoreMatrix();
209 PrintStream ps = new PrintStream(System.out)
212 public void print(String x)
214 mappingDetails.append(x);
218 public void println()
220 mappingDetails.append("\n");
224 as.printAlignment(ps);
226 if (as.maxscore > max)
231 pdbstart = as.seq2start;
233 seqstart = as.seq1start + sequence.getStart() - 1;
234 seqend = as.seq1end + sequence.getEnd() - 1;
237 mappingDetails.append("\nPDB start/end " + pdbstart + " " + pdbend);
238 mappingDetails.append("\nSEQ start/end " + seqstart + " " + seqend);
241 mainchain = pdb.getChains().elementAt(maxchain);
243 mainchain.pdbstart = pdbstart;
244 mainchain.pdbend = pdbend;
245 mainchain.seqstart = seqstart;
246 mainchain.seqend = seqend;
247 mainchain.isVisible = true;
248 // mainchain.makeExactMapping(maxAlignseq, sequence);
249 // mainchain.transferRESNUMFeatures(sequence, null);
251 this.prefsize = new Dimension(getSize().width, getSize().height);
253 // Initialize the matrices to identity
254 for (int i = 0; i < 3; i++)
256 for (int j = 0; j < 3; j++)
260 idmat.addElement(i, j, 0);
261 objmat.addElement(i, j, 0);
265 idmat.addElement(i, j, 1);
266 objmat.addElement(i, j, 1);
271 addMouseMotionListener(this);
272 addMouseListener(this);
274 addKeyListener(new KeyAdapter()
277 public void keyPressed(KeyEvent evt)
291 Vector<Bond> visiblebonds;
295 seqColoursReady = false;
296 // Sort the bonds by z coord
297 visiblebonds = new Vector<Bond>();
299 for (int ii = 0; ii < pdb.getChains().size(); ii++)
301 if (pdb.getChains().elementAt(ii).isVisible)
303 Vector<Bond> tmp = pdb.getChains().elementAt(ii).bonds;
305 for (int i = 0; i < tmp.size(); i++)
307 visiblebonds.addElement(tmp.elementAt(i));
311 seqColoursReady = true;
317 public void findWidth()
319 float[] max = new float[3];
320 float[] min = new float[3];
322 max[0] = (float) -1e30;
323 max[1] = (float) -1e30;
324 max[2] = (float) -1e30;
326 min[0] = (float) 1e30;
327 min[1] = (float) 1e30;
328 min[2] = (float) 1e30;
330 for (int ii = 0; ii < pdb.getChains().size(); ii++)
332 if (pdb.getChains().elementAt(ii).isVisible)
334 Vector<Bond> bonds = pdb.getChains().elementAt(ii).bonds;
336 for (Bond tmp : bonds)
338 if (tmp.start[0] >= max[0])
340 max[0] = tmp.start[0];
343 if (tmp.start[1] >= max[1])
345 max[1] = tmp.start[1];
348 if (tmp.start[2] >= max[2])
350 max[2] = tmp.start[2];
353 if (tmp.start[0] <= min[0])
355 min[0] = tmp.start[0];
358 if (tmp.start[1] <= min[1])
360 min[1] = tmp.start[1];
363 if (tmp.start[2] <= min[2])
365 min[2] = tmp.start[2];
368 if (tmp.end[0] >= max[0])
373 if (tmp.end[1] >= max[1])
378 if (tmp.end[2] >= max[2])
383 if (tmp.end[0] <= min[0])
388 if (tmp.end[1] <= min[1])
393 if (tmp.end[2] <= min[2])
401 width[0] = Math.abs(max[0] - min[0]);
402 width[1] = Math.abs(max[1] - min[1]);
403 width[2] = Math.abs(max[2] - min[2]);
407 if (width[1] > width[0])
412 if (width[2] > width[1])
417 // System.out.println("Maxwidth = " + maxwidth);
420 public float findScale()
426 if (getSize().width != 0)
428 width = getSize().width;
429 height = getSize().height;
433 width = prefsize.width;
434 height = prefsize.height;
446 return (float) (dim / (1.5d * maxwidth));
449 public void findCentre()
457 // Find centre coordinate
458 for (int ii = 0; ii < pdb.getChains().size(); ii++)
460 if (pdb.getChains().elementAt(ii).isVisible)
462 Vector<Bond> bonds = pdb.getChains().elementAt(ii).bonds;
464 bsize += bonds.size();
468 xtot = xtot + b.start[0] + b.end[0];
469 ytot = ytot + b.start[1] + b.end[1];
470 ztot = ztot + b.start[2] + b.end[2];
475 centre[0] = xtot / (2 * (float) bsize);
476 centre[1] = ytot / (2 * (float) bsize);
477 centre[2] = ztot / (2 * (float) bsize);
481 public void paint(Graphics g)
486 g.setColor(Color.white);
487 g.fillRect(0, 0, getSize().width, getSize().height);
488 g.setColor(Color.black);
489 g.setFont(new Font("Verdana", Font.BOLD, 14));
491 MessageManager.getString("label.error_loading_pdb_data"), 50,
492 getSize().height / 2);
496 if (!seqColoursReady)
498 g.setColor(Color.black);
499 g.setFont(new Font("Verdana", Font.BOLD, 14));
500 g.drawString(MessageManager.getString("label.fetching_pdb_data"), 50,
501 getSize().height / 2);
505 // Only create the image at the beginning -
506 // this saves much memory usage
507 if ((img == null) || (prefsize.width != getSize().width)
508 || (prefsize.height != getSize().height))
513 prefsize.width = getSize().width;
514 prefsize.height = getSize().height;
517 img = createImage(prefsize.width, prefsize.height);
518 ig = img.getGraphics();
521 } catch (Exception ex)
523 ex.printStackTrace();
529 drawAll(ig, prefsize.width, prefsize.height);
530 redrawneeded = false;
532 if (appletToolTip != null)
534 ig.setColor(Color.red);
535 ig.drawString(appletToolTip, toolx, tooly);
538 g.drawImage(img, 0, 0, this);
543 public void drawAll(Graphics g, int width, int height)
545 ig.setColor(Color.black);
546 ig.fillRect(0, 0, width, height);
551 public void setColours(jalview.schemes.ColourSchemeI cs)
559 // This method has been taken out of PDBChain to allow
560 // Applet and Application specific sequence renderers to be used
561 void colourBySequence()
563 SequenceRenderer sr = new SequenceRenderer(ap.av);
565 StructureMapping[] mapping = ssm.getMapping(pdbentry.getFile());
567 boolean showFeatures = false;
568 if (ap.av.isShowSequenceFeatures())
572 fr = new jalview.appletgui.FeatureRenderer(ap.av);
575 fr.transferSettings(ap.getFeatureRenderer());
581 if (bysequence && pdb != null)
583 for (int ii = 0; ii < pdb.getChains().size(); ii++)
585 chain = pdb.getChains().elementAt(ii);
587 for (int i = 0; i < chain.bonds.size(); i++)
589 Bond tmp = chain.bonds.elementAt(i);
590 tmp.startCol = Color.lightGray;
591 tmp.endCol = Color.lightGray;
592 if (chain != mainchain)
597 for (int s = 0; s < sequence.length; s++)
599 for (int m = 0; m < mapping.length; m++)
601 if (mapping[m].getSequence() == sequence[s])
603 int pos = mapping[m].getSeqPos(tmp.at1.resNumber) - 1;
606 pos = sequence[s].findIndex(pos);
607 tmp.startCol = sr.getResidueBoxColour(sequence[s], pos);
610 tmp.startCol = fr.findFeatureColour(tmp.startCol,
614 pos = mapping[m].getSeqPos(tmp.at2.resNumber) - 1;
617 pos = sequence[s].findIndex(pos);
618 tmp.endCol = sr.getResidueBoxColour(sequence[s], pos);
621 tmp.endCol = fr.findFeatureColour(tmp.endCol,
636 public void drawScene(Graphics g)
645 zsort.sort(visiblebonds);
649 for (int i = 0; i < visiblebonds.size(); i++)
651 tmpBond = visiblebonds.elementAt(i);
653 xstart = (int) (((tmpBond.start[0] - centre[0]) * scale) + (getSize().width / 2));
654 ystart = (int) (((centre[1] - tmpBond.start[1]) * scale) + (getSize().height / 2));
656 xend = (int) (((tmpBond.end[0] - centre[0]) * scale) + (getSize().width / 2));
657 yend = (int) (((centre[1] - tmpBond.end[1]) * scale) + (getSize().height / 2));
659 xmid = (xend + xstart) / 2;
660 ymid = (yend + ystart) / 2;
662 if (depthcue && !bymolecule)
664 if (tmpBond.start[2] < (centre[2] - (maxwidth / 6)))
666 g.setColor(tmpBond.startCol.darker().darker());
667 drawLine(g, xstart, ystart, xmid, ymid);
669 g.setColor(tmpBond.endCol.darker().darker());
670 drawLine(g, xmid, ymid, xend, yend);
672 else if (tmpBond.start[2] < (centre[2] + (maxwidth / 6)))
674 g.setColor(tmpBond.startCol.darker());
675 drawLine(g, xstart, ystart, xmid, ymid);
677 g.setColor(tmpBond.endCol.darker());
678 drawLine(g, xmid, ymid, xend, yend);
682 g.setColor(tmpBond.startCol);
683 drawLine(g, xstart, ystart, xmid, ymid);
685 g.setColor(tmpBond.endCol);
686 drawLine(g, xmid, ymid, xend, yend);
690 else if (depthcue && bymolecule)
692 if (tmpBond.start[2] < (centre[2] - (maxwidth / 6)))
694 g.setColor(Color.green.darker().darker());
695 drawLine(g, xstart, ystart, xend, yend);
697 else if (tmpBond.start[2] < (centre[2] + (maxwidth / 6)))
699 g.setColor(Color.green.darker());
700 drawLine(g, xstart, ystart, xend, yend);
704 g.setColor(Color.green);
705 drawLine(g, xstart, ystart, xend, yend);
708 else if (!depthcue && !bymolecule)
710 g.setColor(tmpBond.startCol);
711 drawLine(g, xstart, ystart, xmid, ymid);
712 g.setColor(tmpBond.endCol);
713 drawLine(g, xmid, ymid, xend, yend);
717 drawLine(g, xstart, ystart, xend, yend);
720 if (highlightBond1 != null && highlightBond1 == tmpBond)
722 g.setColor(Color.white);
723 drawLine(g, xmid, ymid, xend, yend);
726 if (highlightBond2 != null && highlightBond2 == tmpBond)
728 g.setColor(Color.white);
729 drawLine(g, xstart, ystart, xmid, ymid);
735 public void drawLine(Graphics g, int x1, int y1, int x2, int y2)
739 if (((float) Math.abs(y2 - y1) / (float) Math.abs(x2 - x1)) < 0.5)
741 g.drawLine(x1, y1, x2, y2);
742 g.drawLine(x1 + 1, y1 + 1, x2 + 1, y2 + 1);
743 g.drawLine(x1, y1 - 1, x2, y2 - 1);
747 g.setColor(g.getColor().brighter());
748 g.drawLine(x1, y1, x2, y2);
749 g.drawLine(x1 + 1, y1, x2 + 1, y2);
750 g.drawLine(x1 - 1, y1, x2 - 1, y2);
755 g.drawLine(x1, y1, x2, y2);
759 public Dimension minimumsize()
764 public Dimension preferredsize()
769 public void doKeyPressed(KeyEvent evt)
771 if (evt.getKeyCode() == KeyEvent.VK_UP)
773 scale = (float) (scale * 1.1);
777 else if (evt.getKeyCode() == KeyEvent.VK_DOWN)
779 scale = (float) (scale * 0.9);
786 public void mousePressed(MouseEvent e)
789 Atom fatom = findAtom(e.getX(), e.getY());
792 fatom.isSelected = !fatom.isSelected;
796 if (foundchain != -1)
798 PDBChain chain = pdb.getChains().elementAt(foundchain);
799 if (chain == mainchain)
801 if (fatom.alignmentMapping != -1)
803 if (highlightRes == null)
805 highlightRes = new Vector<String>();
808 final String atomString = Integer
809 .toString(fatom.alignmentMapping);
810 if (highlightRes.contains(atomString))
812 highlightRes.removeElement(atomString);
816 highlightRes.addElement(atomString);
831 public void mouseMoved(MouseEvent e)
834 if (highlightBond1 != null)
836 highlightBond1.at2.isSelected = false;
837 highlightBond2.at1.isSelected = false;
838 highlightBond1 = null;
839 highlightBond2 = null;
842 Atom fatom = findAtom(e.getX(), e.getY());
844 PDBChain chain = null;
845 if (foundchain != -1)
847 chain = pdb.getChains().elementAt(foundchain);
848 if (chain == mainchain)
850 mouseOverStructure(fatom.resNumber, chain.id);
859 appletToolTip = chain.id + ":" + fatom.resNumber + " "
866 mouseOverStructure(-1, chain != null ? chain.id : null);
867 appletToolTip = null;
874 public void mouseClicked(MouseEvent e)
879 public void mouseEntered(MouseEvent e)
884 public void mouseExited(MouseEvent e)
889 public void mouseDragged(MouseEvent evt)
896 MCMatrix objmat = new MCMatrix(3, 3);
897 objmat.setIdentity();
899 if ((evt.getModifiers() & Event.META_MASK) != 0)
901 objmat.rotatez(((mx - omx)));
905 objmat.rotatex(((omy - my)));
906 objmat.rotatey(((omx - mx)));
910 for (PDBChain chain : pdb.getChains())
912 for (Bond tmpBond : chain.bonds)
914 // Translate the bond so the centre is 0,0,0
915 tmpBond.translate(-centre[0], -centre[1], -centre[2]);
917 // Now apply the rotation matrix
918 tmpBond.start = objmat.vectorMultiply(tmpBond.start);
919 tmpBond.end = objmat.vectorMultiply(tmpBond.end);
921 // Now translate back again
922 tmpBond.translate(centre[0], centre[1], centre[2]);
939 public void mouseReleased(MouseEvent evt)
945 void drawLabels(Graphics g)
948 for (PDBChain chain : pdb.getChains())
952 for (Bond tmpBond : chain.bonds)
954 if (tmpBond.at1.isSelected)
956 labelAtom(g, tmpBond, 1);
959 if (tmpBond.at2.isSelected)
961 labelAtom(g, tmpBond, 2);
968 public void labelAtom(Graphics g, Bond b, int n)
974 int xstart = (int) (((b.start[0] - centre[0]) * scale) + (getSize().width / 2));
975 int ystart = (int) (((centre[1] - b.start[1]) * scale) + (getSize().height / 2));
977 g.setColor(Color.red);
978 g.drawString(b.at1.resName + "-" + b.at1.resNumber, xstart, ystart);
983 int xstart = (int) (((b.end[0] - centre[0]) * scale) + (getSize().width / 2));
984 int ystart = (int) (((centre[1] - b.end[1]) * scale) + (getSize().height / 2));
986 g.setColor(Color.red);
987 g.drawString(b.at2.resName + "-" + b.at2.resNumber, xstart, ystart);
993 public Atom findAtom(int x, int y)
999 for (int ii = 0; ii < pdb.getChains().size(); ii++)
1001 PDBChain chain = pdb.getChains().elementAt(ii);
1003 Bond tmpBond = null;
1005 if (chain.isVisible)
1007 Vector<Bond> bonds = pdb.getChains().elementAt(ii).bonds;
1009 for (int i = 0; i < bonds.size(); i++)
1011 tmpBond = bonds.elementAt(i);
1013 truex = (int) (((tmpBond.start[0] - centre[0]) * scale) + (getSize().width / 2));
1015 if (Math.abs(truex - x) <= 2)
1017 int truey = (int) (((centre[1] - tmpBond.start[1]) * scale) + (getSize().height / 2));
1019 if (Math.abs(truey - y) <= 2)
1021 fatom = tmpBond.at1;
1028 // Still here? Maybe its the last bond
1030 truex = (int) (((tmpBond.end[0] - centre[0]) * scale) + (getSize().width / 2));
1032 if (Math.abs(truex - x) <= 2)
1034 int truey = (int) (((tmpBond.end[1] - centre[1]) * scale) + (getSize().height / 2));
1036 if (Math.abs(truey - y) <= 2)
1038 fatom = tmpBond.at2;
1046 if (fatom != null) // )&& chain.ds != null)
1048 chain = pdb.getChains().elementAt(foundchain);
1056 public void update(Graphics g)
1061 public void highlightRes(int ii)
1063 if (!seqColoursReady)
1068 if (highlightRes != null && highlightRes.contains((ii - 1) + ""))
1075 for (index = 0; index < mainchain.bonds.size(); index++)
1077 tmpBond = mainchain.bonds.elementAt(index);
1078 if (tmpBond.at1.alignmentMapping == ii - 1)
1080 if (highlightBond1 != null)
1082 highlightBond1.at2.isSelected = false;
1085 if (highlightBond2 != null)
1087 highlightBond2.at1.isSelected = false;
1090 highlightBond1 = null;
1091 highlightBond2 = null;
1095 highlightBond1 = mainchain.bonds.elementAt(index - 1);
1096 highlightBond1.at2.isSelected = true;
1099 if (index != mainchain.bonds.size())
1101 highlightBond2 = mainchain.bonds.elementAt(index);
1102 highlightBond2.at1.isSelected = true;
1109 redrawneeded = true;
1113 public void setAllchainsVisible(boolean b)
1115 for (int ii = 0; ii < pdb.getChains().size(); ii++)
1117 PDBChain chain = pdb.getChains().elementAt(ii);
1118 chain.isVisible = b;
1120 mainchain.isVisible = true;
1125 // ////////////////////////////////
1126 // /StructureListener
1128 public String[] getPdbFile()
1130 return new String[] { pdbentry.getFile() };
1135 public void mouseOverStructure(int pdbResNum, String chain)
1137 if (lastMessage == null || !lastMessage.equals(pdbResNum + chain))
1139 ssm.mouseOverStructure(pdbResNum, chain, pdbentry.getFile());
1142 lastMessage = pdbResNum + chain;
1145 StringBuffer resetLastRes = new StringBuffer();
1147 StringBuffer eval = new StringBuffer();
1150 * Highlight the specified atoms in the structure.
1155 public void highlightAtoms(List<AtomSpec> atoms)
1157 if (!seqColoursReady)
1161 for (AtomSpec atom : atoms)
1163 int atomIndex = atom.getAtomIndex();
1165 if (highlightRes != null
1166 && highlightRes.contains((atomIndex - 1) + ""))
1171 highlightAtom(atomIndex);
1174 redrawneeded = true;
1181 protected void highlightAtom(int atomIndex)
1185 for (index = 0; index < mainchain.bonds.size(); index++)
1187 tmpBond = mainchain.bonds.elementAt(index);
1188 if (tmpBond.at1.atomIndex == atomIndex)
1190 if (highlightBond1 != null)
1192 highlightBond1.at2.isSelected = false;
1195 if (highlightBond2 != null)
1197 highlightBond2.at1.isSelected = false;
1200 highlightBond1 = null;
1201 highlightBond2 = null;
1205 highlightBond1 = mainchain.bonds.elementAt(index - 1);
1206 highlightBond1.at2.isSelected = true;
1209 if (index != mainchain.bonds.size())
1211 highlightBond2 = mainchain.bonds.elementAt(index);
1212 highlightBond2.at1.isSelected = true;
1220 public Color getColour(int atomIndex, int pdbResNum, String chain,
1224 // if (!pdbfile.equals(pdbentry.getFile()))
1227 // return new Color(viewer.getAtomArgb(atomIndex));
1231 public void updateColours(Object source)
1234 redrawneeded = true;
1239 public void releaseReferences(Object svl)
1241 // TODO Auto-generated method stub
1246 public boolean isListeningFor(SequenceI seq)
1248 if (sequence != null)
1250 for (SequenceI s : sequence)