2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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20 package jalview.appletgui;
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23 import java.awt.event.*;
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25 import jalview.datamodel.*;
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26 import jalview.schemes.*;
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28 public class SeqPanel
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29 extends Panel implements MouseMotionListener, MouseListener
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32 public SeqCanvas seqCanvas;
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33 public AlignmentPanel ap;
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35 protected int lastres;
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36 protected int startseq;
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38 protected AlignViewport av;
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40 // if character is inserted or deleted, we will need to recalculate the conservation
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41 boolean seqEditOccurred = false;
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43 ScrollThread scrollThread = null;
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44 boolean mouseDragging = false;
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45 boolean editingSeqs = false;
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46 boolean groupEditing = false;
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49 boolean changeEndSeq = false;
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50 boolean changeStartSeq = false;
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51 boolean changeEndRes = false;
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52 boolean changeStartRes = false;
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53 SequenceGroup stretchGroup = null;
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55 StringBuffer keyboardNo1;
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56 StringBuffer keyboardNo2;
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58 public SeqPanel(AlignViewport avp, AlignmentPanel p)
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62 seqCanvas = new SeqCanvas(avp);
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63 setLayout(new BorderLayout());
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68 seqCanvas.addMouseMotionListener(this);
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69 seqCanvas.addMouseListener(this);
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71 seqCanvas.repaint();
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78 seqEditOccurred = false;
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79 editingSeqs = false;
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80 groupEditing = false;
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87 seqCanvas.cursorY = getKeyboardNo(keyboardNo1)-1;
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91 void setCursorColumn()
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93 seqCanvas.cursorX = getKeyboardNo(keyboardNo1)-1;
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97 void setCursorRowAndColumn()
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99 if(keyboardNo2==null)
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101 keyboardNo2 = new StringBuffer();
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105 seqCanvas.cursorX = getKeyboardNo(keyboardNo1) - 1;
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106 seqCanvas.cursorY = getKeyboardNo(keyboardNo2) - 1;
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111 void setCursorPosition()
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113 SequenceI sequence =
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114 (Sequence) av.getAlignment().getSequenceAt(seqCanvas.cursorY);
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116 seqCanvas.cursorX = sequence.findIndex(
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117 getKeyboardNo(keyboardNo1)-1
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122 void moveCursor(int dx, int dy)
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124 seqCanvas.cursorX += dx;
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125 seqCanvas.cursorY += dy;
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129 void scrollToVisible()
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131 if (seqCanvas.cursorX < 0)
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132 seqCanvas.cursorX = 0;
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133 else if (seqCanvas.cursorX > av.alignment.getWidth() - 1)
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134 seqCanvas.cursorX = av.alignment.getWidth() - 1;
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136 if (seqCanvas.cursorY < 0)
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137 seqCanvas.cursorY = 0;
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138 else if (seqCanvas.cursorY > av.alignment.getHeight() - 1)
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139 seqCanvas.cursorY = av.alignment.getHeight() - 1;
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143 while (seqCanvas.cursorY < av.startSeq)
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147 while (seqCanvas.cursorY + 1 > av.endSeq)
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149 ap.scrollUp(false);
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151 while (seqCanvas.cursorX < av.startRes)
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154 if(!ap.scrollRight(false))
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157 while (seqCanvas.cursorX > av.endRes)
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159 if(!ap.scrollRight(true))
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163 setStatusMessage(av.alignment.getSequenceAt(seqCanvas.cursorY),
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164 seqCanvas.cursorX, seqCanvas.cursorY);
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166 seqCanvas.repaint();
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169 void setSelectionAreaAtCursor(boolean topLeft)
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171 SequenceI sequence =
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172 (Sequence) av.getAlignment().getSequenceAt(seqCanvas.cursorY);
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174 if(av.getSelectionGroup()!=null)
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176 SequenceGroup sg = av.selectionGroup;
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177 //Find the top and bottom of this group
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178 int min = av.alignment.getHeight(), max = 0;
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179 for(int i=0; i<sg.getSize(); i++)
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181 int index = av.alignment.findIndex( sg.getSequenceAt(i) );
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192 sg.setStartRes(seqCanvas.cursorX);
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193 if(sg.getEndRes()<seqCanvas.cursorX)
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194 sg.setEndRes(seqCanvas.cursorX);
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196 min = seqCanvas.cursorY;
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200 sg.setEndRes(seqCanvas.cursorX);
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201 if(sg.getStartRes()>seqCanvas.cursorX)
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202 sg.setStartRes(seqCanvas.cursorX);
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204 max = seqCanvas.cursorY+1;
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209 // Only the user can do this
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210 av.setSelectionGroup(null);
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214 // Now add any sequences between min and max
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215 sg.sequences.removeAllElements();
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216 for (int i = min; i < max; i++)
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218 sg.addSequence(av.alignment.getSequenceAt(i), false);
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223 if (av.getSelectionGroup() == null)
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225 SequenceGroup sg = new SequenceGroup();
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226 sg.setStartRes(seqCanvas.cursorX);
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227 sg.setEndRes(seqCanvas.cursorX);
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228 sg.addSequence(sequence, false);
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229 av.setSelectionGroup(sg);
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236 void insertGapAtCursor(boolean group)
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238 ap.alignFrame.addHistoryItem(new HistoryItem("Edit Sequence",
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239 av.alignment, HistoryItem.EDIT));
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240 groupEditing = group;
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241 startseq = seqCanvas.cursorY;
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242 lastres = seqCanvas.cursorX;
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243 editSequence(true, seqCanvas.cursorX+getKeyboardNo(keyboardNo1));
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247 void deleteGapAtCursor(boolean group)
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249 ap.alignFrame.addHistoryItem(new HistoryItem("Edit Sequence",
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250 av.alignment, HistoryItem.EDIT));
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251 groupEditing = group;
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252 startseq = seqCanvas.cursorY;
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253 lastres = seqCanvas.cursorX+getKeyboardNo(keyboardNo1);
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254 editSequence(false, seqCanvas.cursorX);
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258 void numberPressed(char value)
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260 if(keyboardNo1==null)
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261 keyboardNo1 = new StringBuffer();
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263 if(keyboardNo2!=null)
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264 keyboardNo2.append(value);
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266 keyboardNo1.append(value);
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269 int getKeyboardNo(StringBuffer kb)
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274 return Integer.parseInt(kb.toString());
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277 void setStatusMessage(SequenceI sequence, int res, int seq)
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279 StringBuffer text = new StringBuffer("Sequence " + (seq + 1) + " ID: " +
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280 sequence.getName());
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283 if (av.alignment.isNucleotide())
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285 obj = ResidueProperties.nucleotideName.get(sequence.getCharAt(res) +
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288 text.append(" Nucleotide: ");
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292 obj = ResidueProperties.aa2Triplet.get(sequence.getCharAt(res) + "");
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294 text.append(" Residue: ");
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302 text.append(obj + " (" + sequence.findPosition(res) +
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306 ap.alignFrame.statusBar.setText(text.toString());
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309 public void mousePressed(MouseEvent evt)
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311 if (evt.isShiftDown() || evt.isAltDown() ||
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312 evt.isControlDown())
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314 if (evt.isAltDown() || evt.isControlDown())
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316 groupEditing = true;
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318 editingSeqs = true;
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322 doMousePressedDefineMode(evt);
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327 int seq = findSeq(evt);
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328 int res = findRes(evt);
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333 ap.alignFrame.addHistoryItem(new HistoryItem("Edit Sequence",
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334 av.alignment, HistoryItem.EDIT));
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336 if ((seq < av.getAlignment().getHeight()) &&
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337 (res < av.getAlignment().getSequenceAt(seq).getLength()))
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351 public void mouseClicked(MouseEvent evt){}
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354 public void mouseReleased(MouseEvent evt)
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356 mouseDragging = false;
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360 doMouseReleasedDefineMode(evt);
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370 int startWrapBlock=-1;
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371 int wrappedBlock=-1;
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372 int findRes(MouseEvent evt)
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375 int x = evt.getX();
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377 if (av.wrapAlignment)
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380 int hgap = av.charHeight;
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381 if (av.scaleAboveWrapped)
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382 hgap += av.charHeight;
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384 int cHeight = av.getAlignment().getHeight() * av.charHeight
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385 + hgap + seqCanvas.getAnnotationHeight();
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387 int y = evt.getY();
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389 x -= seqCanvas.LABEL_WEST;
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392 int cwidth = seqCanvas.getWrappedCanvasWidth(getSize().width);
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394 wrappedBlock = y / cHeight;
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395 wrappedBlock += av.getStartRes() / cwidth;
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397 res = wrappedBlock * cwidth + x / av.getCharWidth();
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402 res = (x / av.getCharWidth()) + av.getStartRes();
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409 int findSeq(MouseEvent evt)
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413 int y = evt.getY();
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415 if (av.wrapAlignment)
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417 int hgap = av.charHeight;
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418 if (av.scaleAboveWrapped)
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419 hgap += av.charHeight;
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421 int cHeight = av.getAlignment().getHeight() * av.charHeight
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422 + hgap + seqCanvas.getAnnotationHeight();
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426 seq = ( (y % cHeight) / av.getCharHeight());
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430 seq = (y / av.getCharHeight()) + av.getStartSeq();
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437 public void doMousePressed(MouseEvent evt)
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439 ap.alignFrame.addHistoryItem(new HistoryItem(
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440 "Edit Sequence", av.alignment, HistoryItem.EDIT));
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442 int seq = findSeq(evt);
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443 int res = findRes(evt);
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445 if (seq < av.getAlignment().getHeight() &&
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446 res < av.getAlignment().getSequenceAt(seq).getLength())
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448 //char resstr = align.getSequenceAt(seq).getSequence().charAt(res);
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449 // Find the residue's position in the sequence (res is the position
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450 // in the alignment
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464 public void mouseMoved(MouseEvent evt)
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466 int res = findRes(evt);
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467 int seq = findSeq(evt);
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469 if (seq >= av.getAlignment().getHeight() || seq<0 || res<0)
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474 SequenceI sequence = av.getAlignment().getSequenceAt(seq);
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475 if (res > sequence.getLength())
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480 StringBuffer text = new StringBuffer("Sequence " + (seq + 1) + " ID: " +
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481 sequence.getName());
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484 if (av.alignment.isNucleotide())
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486 obj = ResidueProperties.nucleotideName.get(sequence.getCharAt(res) +
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489 text.append(" Nucleotide: ");
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493 obj = ResidueProperties.aa2Triplet.get(sequence.getCharAt(res) + "");
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495 text.append(" Residue: ");
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503 text.append(obj + " (" +
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504 av.getAlignment().getSequenceAt(seq).findPosition(res) + ")");
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508 if(seqCanvas.pdbCanvas!=null && sequence==seqCanvas.pdbCanvas.sequence)
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510 seqCanvas.pdbCanvas.highlightRes(sequence.findPosition(res));
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514 // use aa to see if the mouse pointer is on a
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515 if (av.showSequenceFeatures
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516 && sequence.getSequenceFeatures()!=null
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517 && av.featuresDisplayed!=null)
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520 sequence.getSequenceFeatures();
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521 boolean first = true;
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522 while (index < sequence.getSequenceFeatures().length)
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524 SequenceFeature sf = sequence.getSequenceFeatures()[index];
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525 if (sf.getBegin() <= sequence.findPosition(res) &&
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526 sf.getEnd() >= sequence.findPosition(res))
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528 if(!av.featuresDisplayed.containsKey(sf.getType()))
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536 text.append(" Sequence Feature:");
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540 text.append(" "+sf.getType());
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542 if(sf.getDescription()!=null)
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543 text.append(" "+sf.getDescription());
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545 if (sf.getStatus()!=null && sf.getStatus().length() > 0)
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547 text.append(" (" + sf.getStatus() + ")");
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557 ap.alignFrame.statusBar.setText(text.toString());
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561 public void mouseDragged(MouseEvent evt)
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565 doMouseDraggedDefineMode(evt);
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569 int res = findRes(evt);
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576 if ((lastres == -1) || (lastres == res))
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581 if ( (res < av.getAlignment().getWidth()) && (res < lastres))
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583 // dragLeft, delete gap
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584 editSequence(false, res);
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587 editSequence(true, res);
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589 mouseDragging = true;
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590 if(scrollThread!=null)
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591 scrollThread.setEvent(evt);
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595 synchronized void editSequence(boolean insertGap, int startres)
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597 int fixedLeft = -1;
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598 int fixedRight = -1;
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599 boolean fixedColumns = false;
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600 SequenceGroup sg = av.getSelectionGroup();
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602 if(groupEditing && sg==null)
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605 SequenceI seq = av.alignment.getSequenceAt(startseq);
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606 StringBuffer message = new StringBuffer();
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608 message.append("Edit group:");
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610 message.append("Edit sequence: "+seq.getName());
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613 message.append(" insert ");
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615 message.append(" delete ");
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617 message.append(Math.abs(startres-lastres)+" gaps.");
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618 ap.alignFrame.statusBar.setText(message.toString());
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621 //Are we editing within a selection group?
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623 || (sg != null && sg.sequences.contains(seq)))
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625 fixedColumns = true;
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627 fixedLeft = sg.getStartRes();
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628 fixedRight = sg.getEndRes();
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630 if ( (startres < fixedLeft && lastres >= fixedLeft)
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631 || (startres >= fixedLeft && lastres < fixedLeft)
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632 || (startres > fixedRight && lastres <=fixedRight)
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633 || (startres <= fixedRight && lastres > fixedRight))
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639 if (fixedLeft > startres)
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641 fixedRight = fixedLeft - 1;
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644 else if (fixedRight < startres)
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646 fixedLeft = fixedRight;
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657 //If the user has selected the whole sequence, and is dragging to
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658 // the right, we can still extend the alignment and selectionGroup
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659 if(sg.getStartRes() == 0 && sg.getEndRes() + 1 == av.alignment.getWidth())
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661 sg.setEndRes(av.alignment.getWidth() + startres - lastres);
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662 fixedRight = sg.getEndRes();
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665 // Is it valid with fixed columns??
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666 // Find the next gap before the end
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667 // of the visible region boundary
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668 boolean blank = false;
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669 for (fixedRight = fixedRight;
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670 fixedRight > lastres;
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674 for (int s = 0; s < sg.getSize(); s++)
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676 seq = sg.getSequenceAt(s);
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677 for (int j = 0; j < startres - lastres; j++)
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679 if (!jalview.util.Comparison.isGap(
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680 seq.getCharAt(fixedRight - j)))
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693 if(sg.getSize() == av.alignment.getHeight())
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695 //We can still insert gaps if the selectionGroup
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696 //contains all the sequences
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697 sg.setEndRes(sg.getEndRes()+1+startres-lastres);
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698 fixedRight = av.alignment.getWidth()+startres-lastres;
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710 else if(!insertGap)
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712 /// Are we able to delete?
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713 // ie are all columns blank?
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715 for (int s = 0; s < sg.getSize(); s++)
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717 seq = sg.getSequenceAt(s);
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719 for (int j = startres; j < lastres; j++)
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721 if (seq.getSequence().length() <= j)
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726 if (!jalview.util.Comparison.isGap(
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727 seq.getSequence().charAt(j)))
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729 // Not a gap, block edit not valid
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738 for (int i = 0; i < sg.getSize(); i++)
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740 seq = sg.getSequenceAt(i);
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744 // dragging to the right
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745 for (int j = lastres; j < startres; j++)
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747 if (fixedColumns && fixedRight != -1)
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749 insertChar(j, seq, fixedRight);
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752 insertChar(j, seq);
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757 // dragging to the left
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758 for (int j = lastres; j > startres; j--)
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760 if (fixedColumns && fixedRight != -1)
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762 deleteChar(startres, seq, fixedRight);
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766 deleteChar(startres, seq);
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772 else /////Editing a single sequence///////////
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776 // dragging to the right
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777 for (int j = lastres; j < startres; j++)
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779 if (fixedColumns && fixedRight != -1)
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781 if (sg.getStartRes() == 0
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782 && sg.getEndRes() + 1 == av.alignment.getWidth()
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783 && !jalview.util.Comparison.isGap(seq.getCharAt(fixedRight)))
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785 //Single sequence edit, whole sequence selected,
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786 //extend the selection group
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787 sg.setEndRes(av.alignment.getWidth() -1 + startres - lastres);
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788 fixedColumns = false;
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789 insertChar(j, seq);
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792 insertChar(j, seq, fixedRight);
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795 insertChar(j, seq);
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800 // dragging to the left
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801 for (int j = lastres; j > startres; j--)
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803 if (fixedColumns && fixedRight != -1)
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805 deleteChar(startres, seq, fixedRight);
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809 deleteChar(startres, seq);
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815 lastres = startres;
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816 seqCanvas.repaint();
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823 * @param j DOCUMENT ME!
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824 * @param seq DOCUMENT ME!
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826 void insertChar(int j, SequenceI seq)
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828 seq.insertCharAt(j, av.getGapCharacter());
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829 seqEditOccurred = true;
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832 void insertChar(int j, SequenceI seq, int fixedColumn)
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834 //Find the next gap before the end of the visible region boundary
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835 //If lastCol > j, theres a boundary after the gap insertion
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836 int blankColumn = fixedColumn;
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837 for (blankColumn = fixedColumn; blankColumn > j; blankColumn--)
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839 if (jalview.util.Comparison.isGap(seq.getCharAt(blankColumn)))
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841 //Theres a space, so break and insert the gap
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846 if (blankColumn <= j)
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852 if (!jalview.util.Comparison.isGap(seq.getCharAt(blankColumn)))
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855 System.out.println("Tried removing residue (INSERT)"+seq.getCharAt(fixedColumn));
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859 seq.deleteCharAt(blankColumn);
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860 seq.insertCharAt(j, av.getGapCharacter());
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861 seqEditOccurred = true;
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864 void deleteChar(int j, SequenceI seq, int fixedColumn)
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866 if (!jalview.util.Comparison.isGap(seq.getCharAt(j)))
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868 ap.alignFrame.statusBar.setText(
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869 "End editing: Tried removing residue " + seq.getCharAt(j));
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873 seq.deleteCharAt(j);
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874 seq.insertCharAt(fixedColumn, av.getGapCharacter());
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875 seqEditOccurred = true;
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881 * @param j DOCUMENT ME!
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882 * @param seq DOCUMENT ME!
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884 void deleteChar(int j, SequenceI seq)
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886 if (!jalview.util.Comparison.isGap(seq.getCharAt(j)))
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888 ap.alignFrame.statusBar.setText(
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889 "End editing: Tried removing residue " + seq.getCharAt(j));
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893 seq.deleteCharAt(j);
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894 seqEditOccurred = true;
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895 seqCanvas.repaint();
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901 * @param i DOCUMENT ME!
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903 void editOccurred()
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905 if (!seqEditOccurred)
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907 ap.alignFrame.historyList.pop();
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908 ap.alignFrame.updateEditMenuBar();
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913 av.firePropertyChange("alignment", null,av.getAlignment().getSequences());
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917 //////////////////////////////////////////
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918 /////Everything below this is for defining the boundary of the rubberband
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919 //////////////////////////////////////////
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920 public void doMousePressedDefineMode(MouseEvent evt)
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922 if (scrollThread != null)
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924 scrollThread.running = false;
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925 scrollThread = null;
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928 int res = findRes(evt);
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929 int seq = findSeq(evt);
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931 startWrapBlock=wrappedBlock;
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936 SequenceI sequence = (Sequence) av.getAlignment().getSequenceAt(seq);
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938 if (sequence == null || res > sequence.getLength())
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943 stretchGroup = av.getSelectionGroup();
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945 if (stretchGroup == null)
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947 stretchGroup = av.alignment.findGroup(sequence);
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948 if (stretchGroup != null && res > stretchGroup.getStartRes() &&
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949 res < stretchGroup.getEndRes())
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951 av.setSelectionGroup(stretchGroup);
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955 stretchGroup = null;
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959 else if (!stretchGroup.sequences.contains(sequence)
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960 || stretchGroup.getStartRes() > res
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961 || stretchGroup.getEndRes() < res)
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963 stretchGroup = null;
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965 SequenceGroup[] allGroups = av.alignment.findAllGroups(sequence);
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967 if (allGroups != null)
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969 for (int i = 0; i < allGroups.length; i++)
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971 if (allGroups[i].getStartRes() <= res &&
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972 allGroups[i].getEndRes() >= res)
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974 stretchGroup = allGroups[i];
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975 av.setSelectionGroup(stretchGroup);
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982 if (stretchGroup == null)
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984 // define a new group here
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985 SequenceGroup sg = new SequenceGroup();
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986 sg.setStartRes(res);
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988 sg.addSequence(sequence, false);
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989 av.setSelectionGroup(sg);
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992 if (av.getConservationSelected())
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994 SliderPanel.setConservationSlider(ap, av.getGlobalColourScheme(),
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997 if (av.getAbovePIDThreshold())
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999 SliderPanel.setPIDSliderSource(ap, av.getGlobalColourScheme(),
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1005 // DETECT RIGHT MOUSE BUTTON IN AWT
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1006 else if ( (evt.getModifiers() & InputEvent.BUTTON3_MASK) ==
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1007 InputEvent.BUTTON3_MASK)
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1009 APopupMenu popup = new APopupMenu(ap, null, null);
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1011 popup.show(this, evt.getX(), evt.getY());
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1014 if (stretchGroup != null && stretchGroup.getEndRes() == res)
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1016 // Edit end res position of selected group
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1017 changeEndRes = true;
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1020 else if (stretchGroup != null && stretchGroup.getStartRes() == res)
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1022 // Edit end res position of selected group
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1023 changeStartRes = true;
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1028 public void doMouseReleasedDefineMode(MouseEvent evt)
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1030 if (stretchGroup == null)
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1035 if(stretchGroup.cs!=null)
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1037 if (stretchGroup.cs instanceof ClustalxColourScheme)
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1039 ( (ClustalxColourScheme) stretchGroup.cs).resetClustalX(stretchGroup.
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1041 stretchGroup.getWidth());
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1044 if (stretchGroup.cs.conservationApplied())
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1046 SliderPanel.setConservationSlider(ap, stretchGroup.cs,
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1047 stretchGroup.getName());
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1048 stretchGroup.recalcConservation();
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1052 SliderPanel.setPIDSliderSource(ap, stretchGroup.cs,
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1053 stretchGroup.getName());
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1056 changeEndRes = false;
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1057 changeStartRes = false;
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1058 stretchGroup = null;
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1059 PaintRefresher.Refresh(av.alignment);
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1063 public void doMouseDraggedDefineMode(MouseEvent evt)
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1065 int res = findRes(evt);
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1066 int y = findSeq(evt);
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1068 if(wrappedBlock!=startWrapBlock)
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1071 if (stretchGroup == null)
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1076 mouseDragging = true;
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1079 if(y > av.alignment.getHeight())
\r
1081 y = av.alignment.getHeight() -1;
\r
1084 if(res>av.alignment.getWidth())
\r
1085 res = av.alignment.getWidth()-1;
\r
1087 if (stretchGroup.getEndRes() == res)
\r
1089 // Edit end res position of selected group
\r
1090 changeEndRes = true;
\r
1092 else if (stretchGroup.getStartRes() == res)
\r
1094 // Edit start res position of selected group
\r
1095 changeStartRes = true;
\r
1105 if (res > (stretchGroup.getStartRes() - 1))
\r
1107 stretchGroup.setEndRes(res);
\r
1110 else if (changeStartRes)
\r
1112 if (res < (stretchGroup.getEndRes() + 1))
\r
1114 stretchGroup.setStartRes(res);
\r
1118 int dragDirection = 0;
\r
1122 dragDirection = 1;
\r
1124 else if (y < oldSeq)
\r
1126 dragDirection = -1;
\r
1130 while ((y != oldSeq) && (oldSeq > -1) && (y < av.alignment.getHeight()))
\r
1132 // This routine ensures we don't skip any sequences, as the
\r
1133 // selection is quite slow.
\r
1134 Sequence seq = (Sequence) av.getAlignment().getSequenceAt(oldSeq);
\r
1136 oldSeq += dragDirection;
\r
1141 Sequence nextSeq = (Sequence) av.getAlignment().getSequenceAt(oldSeq);
\r
1143 if (stretchGroup.sequences.contains(nextSeq))
\r
1145 stretchGroup.deleteSequence(seq, false);
\r
1151 stretchGroup.addSequence(seq, false);
\r
1154 stretchGroup.addSequence(nextSeq, false);
\r
1162 if(res>av.endRes || res<av.startRes
\r
1163 || y<av.startSeq || y>av.endSeq)
\r
1168 if (scrollThread != null)
\r
1170 scrollThread.setEvent(evt);
\r
1173 seqCanvas.repaint();
\r
1176 public void mouseEntered(MouseEvent e)
\r
1181 if (scrollThread != null)
\r
1183 scrollThread.running = false;
\r
1184 scrollThread = null;
\r
1188 public void mouseExited(MouseEvent e)
\r
1190 if (av.getWrapAlignment())
\r
1195 if (mouseDragging && scrollThread==null)
\r
1197 scrollThread = new ScrollThread();
\r
1201 // this class allows scrolling off the bottom of the visible alignment
\r
1202 class ScrollThread
\r
1206 boolean running = false;
\r
1207 public ScrollThread()
\r
1212 public void setEvent(MouseEvent e)
\r
1217 public void stopScrolling()
\r
1231 if (mouseDragging && evt.getY() < 0 && av.getStartSeq() > 0)
\r
1233 running = ap.scrollUp(true);
\r
1236 if (mouseDragging && evt.getY() >= getSize().height &&
\r
1237 av.alignment.getHeight() > av.getEndSeq())
\r
1239 running = ap.scrollUp(false);
\r
1242 if (mouseDragging && evt.getX() < 0)
\r
1244 running = ap.scrollRight(true);
\r
1247 else if (mouseDragging && evt.getX() >= getSize().width)
\r
1249 running = ap.scrollRight(false);
\r
1257 catch (Exception ex)
\r