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 java.awt.BorderLayout;
24 import java.awt.Color;
26 import java.awt.FontMetrics;
27 import java.awt.Graphics;
28 import java.awt.Graphics2D;
29 import java.awt.RenderingHints;
30 import java.awt.image.BufferedImage;
31 import java.beans.PropertyChangeEvent;
32 import java.util.List;
34 import javax.swing.JPanel;
36 import jalview.datamodel.SequenceI;
37 import jalview.viewmodel.ViewportListenerI;
38 import jalview.viewmodel.ViewportRanges;
46 public class IdCanvas extends JPanel implements ViewportListenerI
48 protected AlignViewport av;
50 protected boolean showScores = true;
52 protected int maxIdLength = -1;
54 protected String maxIdStr = null;
62 boolean fastPaint = false;
64 List<SequenceI> searchResults;
71 * Creates a new IdCanvas object.
76 public IdCanvas(AlignViewport av)
78 setLayout(new BorderLayout());
80 PaintRefresher.Register(this, av.getSequenceSetId());
81 av.getRanges().addPropertyChangeListener(this);
90 * true - check and display hidden row marker if need be
100 public void drawIdString(Graphics2D g, boolean hiddenRows, SequenceI s,
101 int i, int starty, int ypos)
104 int panelWidth = getWidth();
105 int charHeight = av.getCharHeight();
107 if ((searchResults != null) && searchResults.contains(s))
109 g.setColor(Color.black);
110 g.fillRect(0, ((i - starty) * charHeight) + ypos, getWidth(),
112 g.setColor(Color.white);
114 else if ((av.getSelectionGroup() != null)
115 && av.getSelectionGroup().getSequences(null).contains(s))
117 g.setColor(Color.lightGray);
118 g.fillRect(0, ((i - starty) * charHeight) + ypos, getWidth(),
120 g.setColor(Color.white);
124 g.setColor(av.getSequenceColour(s));
125 g.fillRect(0, ((i - starty) * charHeight) + ypos, getWidth(),
127 g.setColor(Color.black);
130 if (av.isRightAlignIds())
132 FontMetrics fm = g.getFontMetrics();
134 - fm.stringWidth(s.getDisplayId(av.getShowJVSuffix())) - 4;
137 g.drawString(s.getDisplayId(av.getShowJVSuffix()), xPos,
138 (((i - starty + 1) * charHeight) + ypos) - (charHeight / 5));
140 if (hiddenRows && av.getShowHiddenMarkers())
142 drawMarker(g, av, i, starty, ypos);
153 public void fastPaint(int vertical)
157 * for now, not attempting fast paint of wrapped ids...
159 if (image == null || av.getWrapAlignment())
166 ViewportRanges ranges = av.getRanges();
168 Graphics2D gg = image.createGraphics();
169 gg.copyArea(0, 0, getWidth(), imgHeight, 0,
170 -vertical * av.getCharHeight());
172 int ss = ranges.getStartSeq();
173 int es = ranges.getEndSeq();
176 if (vertical > 0) // scroll down
180 if (ss < ranges.getStartSeq())
181 { // ie scrolling too fast, more than a page at a time
182 ss = ranges.getStartSeq();
186 transY = imgHeight - ((vertical + 1) * av.getCharHeight());
189 else if (vertical < 0) // scroll up
193 if (es > ranges.getEndSeq())
195 es = ranges.getEndSeq();
199 gg.translate(0, transY);
201 drawIds(gg, av, ss, es, searchResults);
203 gg.translate(0, -transY);
209 // Call repaint on alignment panel so that repaints from other alignment
210 // panel components can be aggregated. Otherwise performance of the overview
211 // window and others may be adversely affected.
212 av.getAlignPanel().repaint();
222 public void paintComponent(Graphics g)
224 g.setColor(Color.white);
225 g.fillRect(0, 0, getWidth(), getHeight());
230 g.drawImage(image, 0, 0, this);
235 int oldHeight = imgHeight;
237 imgHeight = getHeight();
238 imgHeight -= (imgHeight % av.getCharHeight());
245 if (oldHeight != imgHeight || image.getWidth(this) != getWidth())
247 image = new BufferedImage(getWidth(), imgHeight,
248 BufferedImage.TYPE_INT_RGB);
251 Graphics2D gg = image.createGraphics();
253 // Fill in the background
254 gg.setColor(Color.white);
255 gg.fillRect(0, 0, getWidth(), imgHeight);
257 drawIds(gg, av, av.getRanges().getStartSeq(), av.getRanges().getEndSeq(), searchResults);
261 g.drawImage(image, 0, 0, this);
265 * Draws sequence ids from sequence index startSeq to endSeq (inclusive), with
266 * the font and other display settings configured on the viewport. Ids of
267 * sequences included in the selection are coloured grey, otherwise the
268 * current id colour for the sequence id is used.
271 * @param alignViewport
276 void drawIds(Graphics2D g, AlignViewport alignViewport, final int startSeq,
277 final int endSeq, List<SequenceI> selection)
279 Font font = alignViewport.getFont();
280 if (alignViewport.isSeqNameItalics())
282 setIdfont(new Font(font.getName(), Font.ITALIC,
290 g.setFont(getIdfont());
291 FontMetrics fm = g.getFontMetrics();
293 if (alignViewport.antiAlias)
295 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
296 RenderingHints.VALUE_ANTIALIAS_ON);
299 Color currentColor = Color.white;
300 Color currentTextColor = Color.black;
302 boolean hasHiddenRows = alignViewport.hasHiddenRows();
304 if (alignViewport.getWrapAlignment())
306 drawIdsWrapped(g, alignViewport, startSeq, getHeight());
310 // Now draw the id strings
311 int panelWidth = getWidth();
314 // Now draw the id strings
315 for (int i = startSeq; i <= endSeq; i++)
317 SequenceI sequence = alignViewport.getAlignment().getSequenceAt(i);
319 if (sequence == null)
324 if (hasHiddenRows || alignViewport.isDisplayReferenceSeq())
326 g.setFont(getHiddenFont(sequence, alignViewport));
327 fm = g.getFontMetrics();
330 // Selected sequence colours
331 if (selection != null && selection.contains(sequence))
333 currentColor = Color.black;
334 currentTextColor = Color.white;
336 else if ((alignViewport.getSelectionGroup() != null) && alignViewport
337 .getSelectionGroup().getSequences(null).contains(sequence))
339 currentColor = Color.lightGray;
340 currentTextColor = Color.black;
344 currentColor = alignViewport.getSequenceColour(sequence);
345 currentTextColor = Color.black;
348 g.setColor(currentColor);
350 int charHeight = alignViewport.getCharHeight();
351 g.fillRect(0, (i - startSeq) * charHeight,
352 getWidth(), charHeight);
354 g.setColor(currentTextColor);
356 String string = sequence
357 .getDisplayId(alignViewport.getShowJVSuffix());
359 if (alignViewport.isRightAlignIds())
361 xPos = panelWidth - fm.stringWidth(string) - 4;
364 g.drawString(string, xPos, (((i - startSeq) * charHeight) + charHeight)
367 if (hasHiddenRows && av.getShowHiddenMarkers())
369 drawMarker(g, alignViewport, i, startSeq, 0);
375 * Draws sequence ids, and annotation labels if annotations are shown, in
379 * @param alignViewport
382 void drawIdsWrapped(Graphics2D g, AlignViewport alignViewport,
383 int startSeq, int pageHeight)
385 int alignmentWidth = alignViewport.getAlignment().getWidth();
386 final int alheight = alignViewport.getAlignment().getHeight();
389 * assumption: SeqCanvas.calculateWrappedGeometry has been called
391 SeqCanvas seqCanvas = alignViewport.getAlignPanel()
392 .getSeqPanel().seqCanvas;
394 final int charHeight = alignViewport.getCharHeight();
396 AnnotationLabels labels = null;
397 if (alignViewport.isShowAnnotation())
399 labels = new AnnotationLabels(alignViewport);
402 ViewportRanges ranges = alignViewport.getRanges();
404 int rowSize = ranges.getViewportWidth();
407 * draw repeating sequence ids until out of sequence data or
408 * out of visible space, whichever comes first
410 boolean hasHiddenRows = alignViewport.hasHiddenRows();
411 int ypos = seqCanvas.wrappedSpaceAboveAlignment;
412 int rowStartRes = ranges.getStartRes();
413 while ((ypos <= pageHeight) && (rowStartRes < alignmentWidth))
415 for (int i = startSeq; i < alheight; i++)
417 SequenceI s = alignViewport.getAlignment().getSequenceAt(i);
418 if (hasHiddenRows || alignViewport.isDisplayReferenceSeq())
420 g.setFont(getHiddenFont(s, alignViewport));
424 g.setFont(getIdfont());
426 drawIdString(g, hasHiddenRows, s, i, 0, ypos);
429 if (labels != null && alignViewport.isShowAnnotation())
431 g.translate(0, ypos + (alheight * charHeight));
432 labels.drawComponent(g, getWidth());
433 g.translate(0, -ypos - (alheight * charHeight));
436 ypos += seqCanvas.wrappedRepeatHeightPx;
437 rowStartRes += rowSize;
442 * Draws a marker (a blue right-pointing triangle) between sequences to
443 * indicate hidden sequences.
446 * @param alignViewport
451 void drawMarker(Graphics2D g, AlignViewport alignViewport, int seqIndex, int starty, int yoffset)
453 SequenceI[] hseqs = alignViewport.getAlignment()
454 .getHiddenSequences().hiddenSequences;
455 // Use this method here instead of calling hiddenSeq adjust
457 int hSize = hseqs.length;
459 int hiddenIndex = seqIndex;
460 int lastIndex = seqIndex - 1;
461 int nextIndex = seqIndex + 1;
463 for (int j = 0; j < hSize; j++)
465 if (hseqs[j] != null)
467 if (j - 1 < hiddenIndex)
471 if (j - 1 < lastIndex)
475 if (j - 1 < nextIndex)
483 * are we below or above the hidden sequences?
485 boolean below = (hiddenIndex > lastIndex + 1);
486 boolean above = (nextIndex > hiddenIndex + 1);
488 g.setColor(Color.blue);
489 int charHeight = av.getCharHeight();
492 * vertices of the triangle, below or above hidden seqs
494 int[] xPoints = new int[]
495 { getWidth() - charHeight,
496 getWidth() - charHeight, getWidth() };
497 int yShift = seqIndex - starty;
501 int[] yPoints = new int[] { yShift * charHeight + yoffset,
502 yShift * charHeight + yoffset + charHeight / 4,
503 yShift * charHeight + yoffset };
504 g.fillPolygon(xPoints, yPoints, 3);
509 int[] yPoints = new int[] { yShift * charHeight + yoffset,
510 yShift * charHeight + yoffset - charHeight / 4,
511 yShift * charHeight + yoffset };
512 g.fillPolygon(xPoints, yPoints, 3);
517 * Answers the standard sequence id font, or a bold font if the sequence is
518 * set as reference or a hidden group representative
521 * @param alignViewport
524 private Font getHiddenFont(SequenceI seq, AlignViewport alignViewport)
526 if (av.isReferenceSeq(seq) || av.isHiddenRepSequence(seq))
528 return new Font(av.getFont().getName(), Font.BOLD,
529 av.getFont().getSize());
540 public void setHighlighted(List<SequenceI> list)
542 searchResults = list;
546 public Font getIdfont()
551 public void setIdfont(Font idfont)
553 this.idfont = idfont;
557 * Respond to viewport range changes (e.g. alignment panel was scrolled). Both
558 * scrolling and resizing change viewport ranges. Scrolling changes both start
559 * and end points, but resize only changes end values. Here we only want to
560 * fastpaint on a scroll, with resize using a normal paint, so scroll events
561 * are identified as changes to the horizontal or vertical start value.
563 * In unwrapped mode, only responds to a vertical scroll, as horizontal scroll
564 * leaves sequence ids unchanged. In wrapped mode, only vertical scroll is
565 * provided, but it generates a change of "startres" which does require an
569 public void propertyChange(PropertyChangeEvent evt)
571 String propertyName = evt.getPropertyName();
572 if (propertyName.equals(ViewportRanges.STARTSEQ)
573 || (av.getWrapAlignment()
574 && propertyName.equals(ViewportRanges.STARTRES)))
576 fastPaint((int) evt.getNewValue() - (int) evt.getOldValue());
578 else if (propertyName.equals(ViewportRanges.STARTRESANDSEQ))
580 fastPaint(((int[]) evt.getNewValue())[1]
581 - ((int[]) evt.getOldValue())[1]);
583 else if (propertyName.equals(ViewportRanges.MOVE_VIEWPORT))