Edit and annotate wrapped alignment
[jalview.git] / src / jalview / gui / SeqPanel.java
1 /*\r
2  * Jalview - A Sequence Alignment Editor and Viewer\r
3  * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
4  *\r
5  * This program is free software; you can redistribute it and/or\r
6  * modify it under the terms of the GNU General Public License\r
7  * as published by the Free Software Foundation; either version 2\r
8  * of the License, or (at your option) any later version.\r
9  *\r
10  * This program is distributed in the hope that it will be useful,\r
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
13  * GNU General Public License for more details.\r
14  *\r
15  * You should have received a copy of the GNU General Public License\r
16  * along with this program; if not, write to the Free Software\r
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA\r
18  */\r
19 package jalview.gui;\r
20 \r
21 import jalview.analysis.*;\r
22 \r
23 import jalview.datamodel.*;\r
24 \r
25 import jalview.schemes.*;\r
26 \r
27 import java.awt.*;\r
28 import java.awt.event.*;\r
29 \r
30 import java.util.*;\r
31 \r
32 import javax.swing.*;\r
33 \r
34 \r
35 /**\r
36  * DOCUMENT ME!\r
37  *\r
38  * @author $author$\r
39  * @version $Revision$\r
40  */\r
41 public class SeqPanel extends JPanel\r
42 {\r
43     /** DOCUMENT ME!! */\r
44     public SeqCanvas seqCanvas;\r
45 \r
46     /** DOCUMENT ME!! */\r
47     public AlignmentPanel ap;\r
48     protected int lastres;\r
49     protected int startseq;\r
50     int startEdit = -1;\r
51     int endEdit = -1;\r
52     protected AlignViewport av;\r
53 \r
54     // if character is inserted or deleted, we will need to recalculate the conservation\r
55     int seqEditOccurred = -1;\r
56     ScrollThread scrollThread = null;\r
57     boolean mouseDragging = false;\r
58     boolean editingSeqs = false;\r
59     boolean groupEditing = false;\r
60 \r
61     //////////////////////////////////////////\r
62     /////Everything below this is for defining the boundary of the rubberband\r
63     //////////////////////////////////////////\r
64     int oldSeq = -1;\r
65     boolean changeEndSeq = false;\r
66     boolean changeStartSeq = false;\r
67     boolean changeEndRes = false;\r
68     boolean changeStartRes = false;\r
69     SequenceGroup stretchGroup = null;\r
70     boolean remove = false;\r
71 \r
72     boolean mouseWheelPressed = false;\r
73 \r
74     /**\r
75      * Creates a new SeqPanel object.\r
76      *\r
77      * @param avp DOCUMENT ME!\r
78      * @param p DOCUMENT ME!\r
79      */\r
80     public SeqPanel(AlignViewport avp, AlignmentPanel p)\r
81     {\r
82         ToolTipManager.sharedInstance().registerComponent(this);\r
83         ToolTipManager.sharedInstance().setInitialDelay(0);\r
84         ToolTipManager.sharedInstance().setDismissDelay(10000);\r
85         this.av = avp;\r
86         setBackground(Color.white);\r
87 \r
88         seqCanvas = new SeqCanvas(avp);\r
89         setLayout(new BorderLayout());\r
90         add(seqCanvas, BorderLayout.CENTER);\r
91 \r
92         ap = p;\r
93 \r
94         addMouseMotionListener(new MouseMotionAdapter()\r
95             {\r
96                 public void mouseMoved(MouseEvent evt)\r
97                 {\r
98                     doMouseMoved(evt);\r
99                 }\r
100 \r
101                 public void mouseDragged(MouseEvent evt)\r
102                 {\r
103                     if (editingSeqs)\r
104                     {\r
105                         doMouseDragged(evt);\r
106                     }\r
107                     else\r
108                     {\r
109                         doMouseDraggedDefineMode(evt);\r
110                     }\r
111                 }\r
112             });\r
113 \r
114        addMouseWheelListener(new MouseWheelListener()\r
115        {\r
116          public void mouseWheelMoved(MouseWheelEvent e)\r
117          {\r
118 \r
119            if (mouseWheelPressed)\r
120            {\r
121              Font font = av.getFont();\r
122              int fontSize = font.getSize();\r
123              if (e.getWheelRotation() > 0 && fontSize < 30)\r
124                fontSize++;\r
125              else if (fontSize > 1)\r
126                fontSize--;\r
127 \r
128              av.setFont(new Font(font.getName(), font.getStyle(), fontSize));\r
129              ap.fontChanged();\r
130            }\r
131            else\r
132            {\r
133              if (e.getWheelRotation() > 0)\r
134                ap.scrollUp(false);\r
135              else\r
136                ap.scrollUp(true);\r
137            }\r
138 \r
139          }\r
140        });\r
141 \r
142 \r
143         addMouseListener(new MouseAdapter()\r
144             {\r
145                 public void mouseReleased(MouseEvent evt)\r
146                 {\r
147                     mouseWheelPressed = false;\r
148 \r
149                     if (editingSeqs)\r
150                     {\r
151                         doMouseReleased(evt);\r
152                     }\r
153                     else\r
154                     {\r
155                         doMouseReleasedDefineMode(evt);\r
156                     }\r
157                 }\r
158 \r
159                 public void mousePressed(MouseEvent evt)\r
160                 {\r
161                   if( javax.swing.SwingUtilities.isMiddleMouseButton(evt))\r
162                   {\r
163                     mouseWheelPressed = true;\r
164                     return;\r
165                   }\r
166 \r
167                     if (evt.isShiftDown() || evt.isAltDown() ||\r
168                             evt.isControlDown())\r
169                     {\r
170                         if (evt.isAltDown() || evt.isControlDown())\r
171                         {\r
172                             groupEditing = true;\r
173                         }\r
174 \r
175                         editingSeqs = true;\r
176                         doMousePressed(evt);\r
177                     }\r
178                     else\r
179                     {\r
180                         doMousePressedDefineMode(evt);\r
181                     }\r
182                 }\r
183 \r
184                 public void mouseExited(MouseEvent evt)\r
185                 {\r
186                     doMouseExitedDefineMode(evt);\r
187                 }\r
188 \r
189                 public void mouseEntered(MouseEvent evt)\r
190                 {\r
191                     doMouseEnteredDefineMode(evt);\r
192                 }\r
193             });\r
194     }\r
195 \r
196     int findRes(MouseEvent evt)\r
197    {\r
198      int res = 0;\r
199      int x = evt.getX();\r
200 \r
201     if (av.wrapAlignment)\r
202     {\r
203         int y = evt.getY();\r
204         y -= (2 * av.charHeight);\r
205         x -= seqCanvas.LABEL_WEST;\r
206 \r
207         int chunkHeight = (av.getAlignment().getHeight() + 2) * av.charHeight;\r
208         int cwidth = seqCanvas.getWrappedCanvasWidth(this.getWidth());\r
209         int block = y/chunkHeight;\r
210         block += av.getStartRes()/cwidth;\r
211 \r
212         res = block*cwidth   +   x / av.getCharWidth();\r
213     }\r
214     else\r
215     {\r
216         res = (x / av.getCharWidth()) + av.getStartRes();\r
217     }\r
218 \r
219     return res;\r
220 \r
221    }\r
222 \r
223    int findSeq(MouseEvent evt)\r
224    {\r
225      int seq = 0;\r
226      int y = evt.getY();\r
227 \r
228      if (av.wrapAlignment)\r
229      {\r
230        y -= (2 * av.charHeight);\r
231        int chunkHeight = (av.getAlignment().getHeight() + 2) * av.charHeight;\r
232        seq = ( (y % chunkHeight) / av.getCharHeight());\r
233      }\r
234      else\r
235      {\r
236        seq = (y / av.getCharHeight()) + av.getStartSeq();\r
237      }\r
238 \r
239      return seq;\r
240    }\r
241 \r
242 \r
243     /**\r
244      * DOCUMENT ME!\r
245      *\r
246      * @param evt DOCUMENT ME!\r
247      */\r
248     public void doMouseReleased(MouseEvent evt)\r
249     {\r
250         if (seqEditOccurred > -1)\r
251         {\r
252             editOccurred(seqEditOccurred);\r
253         }\r
254 \r
255         startseq = -1;\r
256         lastres = -1;\r
257         seqEditOccurred = -1;\r
258         editingSeqs = false;\r
259         groupEditing = false;\r
260 \r
261         ap.repaint();\r
262     }\r
263 \r
264     /**\r
265      * DOCUMENT ME!\r
266      *\r
267      * @param evt DOCUMENT ME!\r
268      */\r
269     public void doMousePressed(MouseEvent evt)\r
270     {\r
271       ap.alignFrame.addHistoryItem(new HistoryItem("Edit Sequence",\r
272                                                    av.alignment, HistoryItem.EDIT));\r
273 \r
274       int seq = findSeq(evt);\r
275       int res = findRes(evt);\r
276 \r
277         if ((seq < av.getAlignment().getHeight()) &&\r
278                 (res < av.getAlignment().getSequenceAt(seq).getLength()))\r
279         {\r
280             startseq = seq;\r
281             lastres = res;\r
282         }\r
283         else\r
284         {\r
285             startseq = -1;\r
286             lastres = -1;\r
287         }\r
288 \r
289         startEdit = lastres;\r
290         endEdit = lastres;\r
291 \r
292         return;\r
293     }\r
294 \r
295     /**\r
296      * DOCUMENT ME!\r
297      *\r
298      * @param evt DOCUMENT ME!\r
299      */\r
300     public void doMouseMoved(MouseEvent evt)\r
301     {\r
302       int res = findRes(evt);\r
303       int seq = findSeq(evt);\r
304 \r
305       if(res<0 || seq<0 || seq >= av.getAlignment().getHeight())\r
306             return;\r
307 \r
308       SequenceI sequence = av.getAlignment().getSequenceAt(seq);\r
309 \r
310       if (res > sequence.getLength())\r
311       {\r
312           return;\r
313         }\r
314 \r
315         Object obj = ResidueProperties.aa2Triplet.get(sequence.getCharAt(res) +\r
316                 "");\r
317         String aa = "";\r
318 \r
319         if (obj != null)\r
320         {\r
321             aa = obj.toString();\r
322         }\r
323 \r
324         StringBuffer text = new StringBuffer("Sequence " + (seq + 1) + " ID: " +\r
325                 sequence.getName());\r
326 \r
327         if (aa != "")\r
328         {\r
329             text.append("  Residue: " + aa + " (" +\r
330                 av.getAlignment().getSequenceAt(seq).findPosition(res) + ")");\r
331         }\r
332 \r
333         ap.alignFrame.statusBar.setText(text.toString());\r
334 \r
335         // use aa to see if the mouse pointer is on a\r
336         if (av.showSequenceFeatures)\r
337         {\r
338             Vector features = sequence.getSequenceFeatures();\r
339             Enumeration e = features.elements();\r
340             StringBuffer sbuffer = new StringBuffer();\r
341 \r
342             while (e.hasMoreElements())\r
343             {\r
344                 SequenceFeature sf = (SequenceFeature) e.nextElement();\r
345 \r
346                 if ((sf.getStart() <= sequence.findPosition(res)) &&\r
347                         (sf.getEnd() >= sequence.findPosition(res)))\r
348                 {\r
349                     if (sbuffer.length() > 0)\r
350                     {\r
351                         sbuffer.append("; ");\r
352                     }\r
353 \r
354                     sbuffer.append(sf.getType() + " " + sf.getDescription());\r
355 \r
356                     if (sf.getStatus().length() > 0)\r
357                     {\r
358                         sbuffer.append(" (" + sf.getStatus() + ")");\r
359                     }\r
360                 }\r
361             }\r
362 \r
363             this.setToolTipText(sbuffer.toString());\r
364         }\r
365     }\r
366 \r
367     /**\r
368      * DOCUMENT ME!\r
369      *\r
370      * @param evt DOCUMENT ME!\r
371      */\r
372     public void doMouseDragged(MouseEvent evt)\r
373     {\r
374         // If we're dragging we're editing\r
375         int res = findRes(evt);\r
376 \r
377         if (res < 0)\r
378         {\r
379             res = 0;\r
380         }\r
381 \r
382         if ((lastres == -1) || (lastres == res))\r
383         {\r
384             return;\r
385         }\r
386 \r
387         boolean dragRight = true;\r
388 \r
389         if ((res < av.getAlignment().getWidth()) && (res < lastres))\r
390         {\r
391             dragRight = false;\r
392         }\r
393 \r
394         if (res != lastres)\r
395         {\r
396             // Group editing\r
397             if (groupEditing)\r
398             {\r
399                 SequenceGroup sg = av.getSelectionGroup();\r
400 \r
401                 if (sg == null)\r
402                 {\r
403                     lastres = -1;\r
404 \r
405                     return;\r
406                 }\r
407 \r
408                 // drag to right\r
409                 if (dragRight)\r
410                 {\r
411                     sg.setEndRes(sg.getEndRes() + (res - lastres));\r
412                 }\r
413 \r
414                 // drag to left\r
415                 else\r
416                 {\r
417                     /// Are we able to delete?\r
418                     // ie are all columns blank?\r
419                     boolean deleteAllowed = false;\r
420 \r
421                     for (int s = 0; s < sg.getSize(); s++)\r
422                     {\r
423                         SequenceI seq = sg.getSequenceAt(s);\r
424 \r
425                         for (int j = res; j < lastres; j++)\r
426                         {\r
427                             if (seq.getSequence().length() <= j)\r
428                             {\r
429                                 continue;\r
430                             }\r
431 \r
432                             if (!jalview.util.Comparison.isGap(\r
433                                         seq.getSequence().charAt(j)))\r
434                             {\r
435                                 // Not a gap, block edit not valid\r
436                                 res = j + 1;\r
437                                 deleteAllowed = false;\r
438 \r
439                                 continue;\r
440                             }\r
441 \r
442                             deleteAllowed = true;\r
443                         }\r
444                     }\r
445 \r
446                     if (!deleteAllowed)\r
447                     {\r
448                         lastres = -1;\r
449 \r
450                         return;\r
451                     }\r
452 \r
453                     sg.setEndRes(sg.getEndRes() - (lastres - res));\r
454                 }\r
455 \r
456                 for (int i = 0; i < sg.getSize(); i++)\r
457                 {\r
458                     SequenceI s = sg.getSequenceAt(i);\r
459                     int k = av.alignment.findIndex(s);\r
460 \r
461                     // drag to right\r
462                     if (dragRight)\r
463                     {\r
464                         for (int j = lastres; j < res; j++)\r
465                         {\r
466                             insertChar(j, k);\r
467                         }\r
468                     }\r
469 \r
470                     // drag to left\r
471                     else\r
472                     {\r
473                         for (int j = res; j < lastres; j++)\r
474                         {\r
475                             if (s.getLength() > j)\r
476                             {\r
477                                 deleteChar(res, k);\r
478                             }\r
479                         }\r
480                     }\r
481                 }\r
482             }\r
483             else /////Editing a single sequence///////////\r
484             {\r
485                 if ((res < av.getAlignment().getWidth()) && (res > lastres))\r
486                 {\r
487                     // dragging to the right\r
488                     for (int j = lastres; j < res; j++)\r
489                     {\r
490                         insertChar(j, startseq);\r
491                     }\r
492                 }\r
493                 else if ((res < av.getAlignment().getWidth()) &&\r
494                         (res < lastres))\r
495                 {\r
496                     // dragging to the left\r
497                     for (int j = lastres; j > res; j--)\r
498                     {\r
499                         if (jalview.util.Comparison.isGap(\r
500                                     av.alignment.getSequenceAt(startseq)\r
501                                                     .getSequence().charAt(res)))\r
502                         {\r
503                             deleteChar(res, startseq);\r
504                         }\r
505                         else\r
506                         {\r
507                             break;\r
508                         }\r
509                     }\r
510                 }\r
511             }\r
512         }\r
513 \r
514         endEdit = res;\r
515         lastres = res;\r
516         seqCanvas.repaint();\r
517     }\r
518 \r
519     /**\r
520      * DOCUMENT ME!\r
521      *\r
522      * @param seqstart DOCUMENT ME!\r
523      * @param seqend DOCUMENT ME!\r
524      * @param start DOCUMENT ME!\r
525      */\r
526     public void drawChars(int seqstart, int seqend, int start)\r
527     {\r
528         seqCanvas.drawPanel(seqCanvas.gg, start, av.getEndRes(), seqstart,\r
529             seqend, av.getStartRes(), av.getStartSeq(), 0);\r
530         seqCanvas.repaint();\r
531     }\r
532 \r
533     /**\r
534      * DOCUMENT ME!\r
535      *\r
536      * @param j DOCUMENT ME!\r
537      * @param seq DOCUMENT ME!\r
538      */\r
539     public void insertChar(int j, int seq)\r
540     {\r
541         av.alignment.getSequenceAt(seq).insertCharAt(j, av.getGapCharacter());\r
542         seqEditOccurred = seq;\r
543     }\r
544 \r
545     /**\r
546      * DOCUMENT ME!\r
547      *\r
548      * @param j DOCUMENT ME!\r
549      * @param seq DOCUMENT ME!\r
550      */\r
551     public void deleteChar(int j, int seq)\r
552     {\r
553         av.alignment.getSequenceAt(seq).deleteCharAt(j);\r
554         seqEditOccurred = seq;\r
555 \r
556         av.alignment.getWidth();\r
557         seqCanvas.repaint();\r
558     }\r
559 \r
560     /**\r
561      * DOCUMENT ME!\r
562      *\r
563      * @param i DOCUMENT ME!\r
564      */\r
565     void editOccurred(int i)\r
566     {\r
567       if (endEdit == startEdit)\r
568       {\r
569         ap.alignFrame.historyList.pop();\r
570         ap.alignFrame.updateEditMenuBar();\r
571       }\r
572 \r
573       av.updateConservation();\r
574       av.updateConsensus();\r
575 \r
576       //Does the edit affect any groups?\r
577       //////////////////////////////\r
578       Vector groupsToUpdate = new Vector();\r
579       SequenceGroup sg = av.getSelectionGroup();\r
580 \r
581       int s, g, gSize = av.alignment.getGroups().size();\r
582       if (sg != null)\r
583       {\r
584         groupsToUpdate.addElement(av.getSelectionGroup());\r
585         int sSize = sg.getSize();\r
586         for (s = 0; s < sSize; s++)\r
587         {\r
588           SequenceI seq = sg.getSequenceAt(s);\r
589 \r
590           for (g = 0; g < gSize; g++)\r
591           {\r
592             SequenceGroup sg2 = (SequenceGroup) av.alignment.getGroups().\r
593                 elementAt(\r
594                     g);\r
595             if (sg2.sequences.contains(seq))\r
596             {\r
597               if (!groupsToUpdate.contains(sg2))\r
598                 groupsToUpdate.addElement(sg2);\r
599               continue;\r
600             }\r
601           }\r
602         }\r
603       }\r
604       else\r
605       {\r
606         SequenceI seq = av.alignment.getSequenceAt(startseq);\r
607         for (g = 0; g < gSize; g++)\r
608         {\r
609           SequenceGroup sg2 = (SequenceGroup) av.alignment.getGroups().elementAt(\r
610               g);\r
611           if (sg2.sequences.contains(seq))\r
612           {\r
613             if (!groupsToUpdate.contains(sg2))\r
614               groupsToUpdate.addElement(sg2);\r
615             continue;\r
616           }\r
617         }\r
618       }\r
619 \r
620       gSize = groupsToUpdate.size();\r
621       for (g = 0; g < gSize; g++)\r
622       {\r
623         ( (SequenceGroup) groupsToUpdate.elementAt(g)).recalcConservation();\r
624       }\r
625       ////End of updating groups\r
626       //////////////////////////////////////////\r
627 \r
628         // Y O Y CLUSTALX\r
629         ColourSchemeI cs = av.getGlobalColourScheme();\r
630         if(cs!=null)\r
631         {\r
632           if (cs.conservationApplied())\r
633           {\r
634             Conservation c = new Conservation("All",\r
635                                               ResidueProperties.propHash, 3,\r
636                                               av.alignment.getSequences(),\r
637                                               0, av.alignment.getWidth() - 1);\r
638             c.calculate();\r
639             c.verdict(false, av.ConsPercGaps);\r
640 \r
641             if (cs instanceof ClustalxColourScheme)\r
642             {\r
643               ClustalxColourScheme cxs = (ClustalxColourScheme) cs;\r
644               cxs.resetClustalX(av.alignment.getSequences(),\r
645                                 av.alignment.getWidth());\r
646               cs.setConservation(c);\r
647               av.setGlobalColourScheme(cs);\r
648             }\r
649             else\r
650             {\r
651               cs.setConservation(c);\r
652               av.setGlobalColourScheme(cs);\r
653             }\r
654 \r
655           }\r
656 \r
657           if (cs instanceof ClustalxColourScheme)\r
658           {\r
659             ( (ClustalxColourScheme) cs).resetClustalX(av.alignment.getSequences(),\r
660                                                        av.alignment.getWidth());\r
661             av.setGlobalColourScheme(cs);\r
662           }\r
663         }\r
664     }\r
665 \r
666     /**\r
667      * DOCUMENT ME!\r
668      *\r
669      * @param evt DOCUMENT ME!\r
670      */\r
671     public void doMousePressedDefineMode(MouseEvent evt)\r
672     {\r
673       int res = findRes(evt);\r
674       int seq = findSeq(evt);\r
675       oldSeq = seq;\r
676 \r
677         SequenceI sequence = (Sequence) av.getAlignment().getSequenceAt(seq);\r
678 \r
679         if ((sequence == null) || (res > sequence.getLength()))\r
680         {\r
681             return;\r
682         }\r
683 \r
684         stretchGroup = av.getSelectionGroup();\r
685 \r
686         if (stretchGroup == null)\r
687         {\r
688             stretchGroup = av.alignment.findGroup(sequence);\r
689 \r
690             if ((stretchGroup != null) && (res > stretchGroup.getStartRes()) &&\r
691                     (res < stretchGroup.getEndRes()))\r
692             {\r
693                 av.setSelectionGroup(stretchGroup);\r
694             }\r
695             else\r
696             {\r
697                 stretchGroup = null;\r
698             }\r
699         }\r
700         else if (!stretchGroup.sequences.contains(sequence) ||\r
701                 (stretchGroup.getStartRes() > res) ||\r
702                 (stretchGroup.getEndRes() < res))\r
703         {\r
704             stretchGroup = null;\r
705 \r
706             SequenceGroup[] allGroups = av.alignment.findAllGroups(sequence);\r
707 \r
708             if (allGroups != null)\r
709             {\r
710                 for (int i = 0; i < allGroups.length; i++)\r
711                 {\r
712                     if ((allGroups[i].getStartRes() <= res) &&\r
713                             (allGroups[i].getEndRes() >= res))\r
714                     {\r
715                         stretchGroup = allGroups[i];\r
716                         av.setSelectionGroup(stretchGroup);\r
717 \r
718                         break;\r
719                     }\r
720                 }\r
721             }\r
722         }\r
723 \r
724         if (stretchGroup == null)\r
725         {\r
726             // define a new group here\r
727             SequenceGroup sg = new SequenceGroup();\r
728             sg.setStartRes(res);\r
729             sg.setEndRes(res);\r
730             sg.addSequence(sequence, false);\r
731             av.setSelectionGroup(sg);\r
732             stretchGroup = sg;\r
733 \r
734             if (av.getConservationSelected())\r
735             {\r
736                 SliderPanel.setConservationSlider(ap,\r
737                     av.getGlobalColourScheme(), "Background");\r
738             }\r
739 \r
740             if (av.getAbovePIDThreshold())\r
741             {\r
742                 SliderPanel.setPIDSliderSource(ap, av.getGlobalColourScheme(),\r
743                     "Background");\r
744             }\r
745         }\r
746         else if (javax.swing.SwingUtilities.isRightMouseButton(evt))\r
747         {\r
748             jalview.gui.PopupMenu pop = new jalview.gui.PopupMenu(ap, null);\r
749             pop.show(this, evt.getX(), evt.getY());\r
750 \r
751             // edit the properties of existing group\r
752         }\r
753 \r
754         if ((stretchGroup != null) && (stretchGroup.getEndRes() == res))\r
755         {\r
756             // Edit end res position of selected group\r
757             changeEndRes = true;\r
758         }\r
759         else if ((stretchGroup != null) && (stretchGroup.getStartRes() == res))\r
760         {\r
761             // Edit end res position of selected group\r
762             changeStartRes = true;\r
763         }\r
764 \r
765         stretchGroup.getWidth();\r
766 \r
767         seqCanvas.repaint();\r
768     }\r
769 \r
770     /**\r
771      * DOCUMENT ME!\r
772      *\r
773      * @param evt DOCUMENT ME!\r
774      */\r
775     public void doMouseReleasedDefineMode(MouseEvent evt)\r
776     {\r
777         if (mouseDragging)\r
778         {\r
779             stretchGroup.recalcConservation();\r
780             mouseDragging = false;\r
781         }\r
782 \r
783         if (stretchGroup == null)\r
784         {\r
785             return;\r
786         }\r
787 \r
788         if(stretchGroup.cs!=null)\r
789         {\r
790           if (stretchGroup.cs instanceof ClustalxColourScheme)\r
791           {\r
792             ( (ClustalxColourScheme) stretchGroup.cs).resetClustalX(stretchGroup.\r
793                 sequences,\r
794                 stretchGroup.getWidth());\r
795           }\r
796 \r
797           if (stretchGroup.cs.conservationApplied())\r
798           {\r
799             SliderPanel.setConservationSlider(ap, stretchGroup.cs,\r
800                                               stretchGroup.getName());\r
801           }\r
802           else\r
803           {\r
804             SliderPanel.setPIDSliderSource(ap, stretchGroup.cs,\r
805                                            stretchGroup.getName());\r
806           }\r
807         }\r
808         changeEndRes = false;\r
809         changeStartRes = false;\r
810         stretchGroup = null;\r
811         PaintRefresher.Refresh(av.alignment);\r
812     }\r
813 \r
814     /**\r
815      * DOCUMENT ME!\r
816      *\r
817      * @param evt DOCUMENT ME!\r
818      */\r
819     public void doMouseDraggedDefineMode(MouseEvent evt)\r
820     {\r
821       int res = findRes(evt);\r
822       int y = findSeq(evt);\r
823 \r
824       if (stretchGroup == null)\r
825       {\r
826             return;\r
827         }\r
828 \r
829         if (res > av.alignment.getWidth())\r
830         {\r
831             res = av.alignment.getWidth() - 1;\r
832         }\r
833 \r
834         if (stretchGroup.getEndRes() == res)\r
835         {\r
836             // Edit end res position of selected group\r
837             changeEndRes = true;\r
838         }\r
839         else if (stretchGroup.getStartRes() == res)\r
840         {\r
841             // Edit start res position of selected group\r
842             changeStartRes = true;\r
843         }\r
844 \r
845         if (res < av.getStartRes())\r
846         {\r
847             res = av.getStartRes();\r
848         }\r
849         else if (res > av.getEndRes() && !av.getWrapAlignment())\r
850         {\r
851             res = av.getEndRes();\r
852         }\r
853 \r
854         if (changeEndRes)\r
855         {\r
856             if (res > (stretchGroup.getStartRes() - 1))\r
857             {\r
858                 stretchGroup.setEndRes(res);\r
859             }\r
860         }\r
861         else if (changeStartRes)\r
862         {\r
863             if (res < (stretchGroup.getEndRes() + 1))\r
864             {\r
865                 stretchGroup.setStartRes(res);\r
866             }\r
867         }\r
868 \r
869         int dragDirection = 0;\r
870 \r
871         if (y > oldSeq)\r
872         {\r
873             dragDirection = 1;\r
874         }\r
875         else if (y < oldSeq)\r
876         {\r
877             dragDirection = -1;\r
878         }\r
879 \r
880         while ((y != oldSeq) && (oldSeq > 0) && (y < av.alignment.getHeight()))\r
881         {\r
882             // This routine ensures we don't skip any sequences, as the\r
883             // selection is quite slow.\r
884             Sequence seq = (Sequence) av.getAlignment().getSequenceAt(oldSeq);\r
885 \r
886             oldSeq += dragDirection;\r
887 \r
888             Sequence nextSeq = (Sequence) av.getAlignment().getSequenceAt(oldSeq);\r
889 \r
890             if (stretchGroup.sequences.contains(nextSeq))\r
891             {\r
892                 stretchGroup.deleteSequence(seq, false);\r
893             }\r
894             else\r
895             {\r
896                 if (seq != null)\r
897                 {\r
898                     stretchGroup.addSequence(seq, false);\r
899                 }\r
900 \r
901                 stretchGroup.addSequence(nextSeq, false);\r
902             }\r
903         }\r
904 \r
905         oldSeq = y;\r
906         mouseDragging = true;\r
907 \r
908         if (scrollThread != null)\r
909         {\r
910             scrollThread.setEvent(evt);\r
911         }\r
912 \r
913         seqCanvas.repaint();\r
914     }\r
915 \r
916     /**\r
917      * DOCUMENT ME!\r
918      *\r
919      * @param e DOCUMENT ME!\r
920      */\r
921     public void doMouseEnteredDefineMode(MouseEvent e)\r
922     {\r
923         if (scrollThread != null)\r
924         {\r
925             scrollThread.running = false;\r
926         }\r
927     }\r
928 \r
929     /**\r
930      * DOCUMENT ME!\r
931      *\r
932      * @param e DOCUMENT ME!\r
933      */\r
934     public void doMouseExitedDefineMode(MouseEvent e)\r
935     {\r
936         if (av.getWrapAlignment())\r
937         {\r
938             return;\r
939         }\r
940 \r
941         if (mouseDragging)\r
942         {\r
943             scrollThread = new ScrollThread();\r
944         }\r
945     }\r
946 \r
947     // this class allows scrolling off the bottom of the visible alignment\r
948     class ScrollThread extends Thread\r
949     {\r
950         MouseEvent evt;\r
951         boolean running = false;\r
952 \r
953         public ScrollThread()\r
954         {\r
955             start();\r
956         }\r
957 \r
958         public void setEvent(MouseEvent e)\r
959         {\r
960             evt = e;\r
961         }\r
962 \r
963         public void stopScrolling()\r
964         {\r
965             running = false;\r
966         }\r
967 \r
968         public void run()\r
969         {\r
970             running = true;\r
971 \r
972             while (running)\r
973             {\r
974                 if (evt != null)\r
975                 {\r
976                     if (mouseDragging && (evt.getY() < 0) &&\r
977                             (av.getStartSeq() > 0))\r
978                     {\r
979                         running = ap.scrollUp(true);\r
980                     }\r
981 \r
982                     if (mouseDragging && (evt.getY() >= getHeight()) &&\r
983                             (av.alignment.getHeight() > av.getEndSeq()))\r
984                     {\r
985                         running = ap.scrollUp(false);\r
986                     }\r
987 \r
988                     if (mouseDragging && (evt.getX() < 0))\r
989                     {\r
990                         running = ap.scrollRight(true);\r
991                     }\r
992                     else if (mouseDragging && (evt.getX() >= getWidth()))\r
993                     {\r
994                         running = ap.scrollRight(false);\r
995                     }\r
996                 }\r
997 \r
998                 try\r
999                 {\r
1000                     Thread.sleep(75);\r
1001                 }\r
1002                 catch (Exception ex)\r
1003                 {\r
1004                 }\r
1005             }\r
1006         }\r
1007     }\r
1008 }\r