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;
25 import java.awt.Dimension;
27 import java.awt.FontMetrics;
28 import java.awt.Graphics;
29 import java.awt.Graphics2D;
30 import java.awt.RenderingHints;
31 import java.awt.image.BufferedImage;
32 import java.beans.PropertyChangeEvent;
33 import java.util.List;
35 import javax.swing.JPanel;
37 import jalview.datamodel.SequenceI;
38 import jalview.viewmodel.ViewportListenerI;
39 import jalview.viewmodel.ViewportRanges;
47 public class IdCanvas extends JPanel implements ViewportListenerI
49 protected AlignViewport av;
51 protected boolean showScores = true;
53 protected int maxIdLength = -1;
55 protected String maxIdStr = null;
63 boolean fastPaint = false;
65 List<SequenceI> searchResults;
72 * Creates a new IdCanvas object.
77 public IdCanvas(AlignViewport av)
79 setLayout(new BorderLayout());
81 PaintRefresher.Register(this, av.getSequenceSetId());
82 av.getRanges().addPropertyChangeListener(this);
91 * true - check and display hidden row marker if need be
101 public void drawIdString(Graphics2D g, boolean hiddenRows, SequenceI s,
102 int i, int starty, int ypos)
105 int panelWidth = getWidth();
106 int charHeight = av.getCharHeight();
108 if ((searchResults != null) && searchResults.contains(s))
110 g.setColor(Color.black);
111 g.fillRect(0, ((i - starty) * charHeight) + ypos, getWidth(),
113 g.setColor(Color.white);
115 else if ((av.getSelectionGroup() != null)
116 && av.getSelectionGroup().getSequences(null).contains(s))
118 g.setColor(Color.lightGray);
119 g.fillRect(0, ((i - starty) * charHeight) + ypos, getWidth(),
121 g.setColor(Color.white);
125 g.setColor(av.getSequenceColour(s));
126 g.fillRect(0, ((i - starty) * charHeight) + ypos, getWidth(),
128 g.setColor(Color.black);
131 if (av.isRightAlignIds())
133 FontMetrics fm = g.getFontMetrics();
135 - fm.stringWidth(s.getDisplayId(av.getShowJVSuffix())) - 4;
138 g.drawString(s.getDisplayId(av.getShowJVSuffix()), xPos,
139 (((i - starty + 1) * charHeight) + ypos) - (charHeight / 5));
141 if (hiddenRows && av.getShowHiddenMarkers())
143 drawMarker(g, av, i, starty, ypos);
154 public void fastPaint(int vertical)
158 * for now, not attempting fast paint of wrapped ids...
160 if (image == null || av.getWrapAlignment())
167 ViewportRanges ranges = av.getRanges();
169 Graphics2D gg = image.createGraphics();
170 gg.copyArea(0, 0, getWidth(), imgHeight, 0,
171 -vertical * av.getCharHeight());
173 int ss = ranges.getStartSeq();
174 int es = ranges.getEndSeq();
177 if (vertical > 0) // scroll down
181 if (ss < ranges.getStartSeq())
182 { // ie scrolling too fast, more than a page at a time
183 ss = ranges.getStartSeq();
187 transY = imgHeight - ((vertical + 1) * av.getCharHeight());
190 else if (vertical < 0) // scroll up
194 if (es > ranges.getEndSeq())
196 es = ranges.getEndSeq();
200 gg.translate(0, transY);
202 drawIds(gg, av, ss, es, searchResults,true);
204 gg.translate(0, -transY);
210 // Call repaint on alignment panel so that repaints from other alignment
211 // panel components can be aggregated. Otherwise performance of the overview
212 // window and others may be adversely affected.
213 av.getAlignPanel().repaint();
223 public void paintComponent(Graphics g)
225 g.setColor(Color.white);
226 g.fillRect(0, 0, getWidth(), getHeight());
231 g.drawImage(image, 0, 0, this);
236 int oldHeight = imgHeight;
238 imgHeight = getHeight();
239 imgHeight -= (imgHeight % av.getCharHeight());
246 if (oldHeight != imgHeight || image.getWidth(this) != getWidth())
248 image = new BufferedImage(getWidth(), imgHeight,
249 BufferedImage.TYPE_INT_RGB);
252 Graphics2D gg = image.createGraphics();
254 // Fill in the background
255 gg.setColor(Color.white);
256 gg.fillRect(0, 0, getWidth(), imgHeight);
258 drawIds(gg, av, av.getRanges().getStartSeq(),
259 av.getRanges().getEndSeq(), searchResults,true);
263 g.drawImage(image, 0, 0, this);
267 * Draws sequence ids from sequence index startSeq to endSeq (inclusive), with
268 * the font and other display settings configured on the viewport. Ids of
269 * sequences included in the selection are coloured grey, otherwise the
270 * current id colour for the sequence id is used.
273 * @param alignViewport
278 void drawIds(Graphics2D g, AlignViewport alignViewport,
279 final int startSeq, final int endSeq, List<SequenceI> selection, boolean forGUI)
281 Font font = alignViewport.getFont();
282 if (alignViewport.isSeqNameItalics())
284 setIdfont(new Font(font.getName(), Font.ITALIC, font.getSize()));
291 g.setFont(getIdfont());
292 FontMetrics fm = g.getFontMetrics();
294 if (alignViewport.antiAlias)
296 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
297 RenderingHints.VALUE_ANTIALIAS_ON);
300 Color currentColor = Color.white;
301 Color currentTextColor = Color.black;
303 boolean hasHiddenRows = alignViewport.hasHiddenRows();
305 if (alignViewport.getWrapAlignment())
307 drawIdsWrapped(g, alignViewport, startSeq, getHeight());
311 // Now draw the id strings
312 int panelWidth = getWidth();
315 // Now draw the id strings
316 for (int i = startSeq; i <= endSeq; i++)
318 SequenceI sequence = alignViewport.getAlignment().getSequenceAt(i);
320 if (sequence == null)
325 if (hasHiddenRows || alignViewport.isDisplayReferenceSeq())
327 g.setFont(getHiddenFont(sequence, alignViewport));
328 fm = g.getFontMetrics();
331 // Selected sequence colours
332 if (selection != null && selection.contains(sequence))
334 currentColor = Color.black;
335 currentTextColor = Color.white;
337 else if ((alignViewport.getSelectionGroup() != null) && alignViewport
338 .getSelectionGroup().getSequences(null).contains(sequence))
340 currentColor = Color.lightGray;
341 currentTextColor = Color.black;
345 currentColor = alignViewport.getSequenceColour(sequence);
346 currentTextColor = Color.black;
349 g.setColor(currentColor);
351 int charHeight = alignViewport.getCharHeight();
352 g.fillRect(0, (i - startSeq) * charHeight, 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,
365 (((i - startSeq) * charHeight) + charHeight)
368 if (hasHiddenRows && av.getShowHiddenMarkers())
370 drawMarker(g, alignViewport, i, startSeq, 0);
376 * Draws sequence ids, and annotation labels if annotations are shown, in
380 * @param alignViewport
383 void drawIdsWrapped(Graphics2D g, AlignViewport alignViewport,
384 int startSeq, int pageHeight)
386 drawIdsWrapped(g, alignViewport, startSeq, pageHeight, -1, true);
390 * render sequence IDs and annotation labels when wrapped - without GUI junk
396 public void drawIdsWrappedNoGUI(Graphics2D g, AlignViewport av2, int i,
399 drawIdsWrapped(g, av2, totalHeight, totalHeight, i,false);
402 void drawIdsWrapped(Graphics2D g, AlignViewport alignViewport,
403 int startSeq, int pageHeight, int idWidth, boolean forGUI)
405 int alignmentWidth = alignViewport.getAlignment().getWidth();
406 final int alheight = alignViewport.getAlignment().getHeight();
409 * assumption: SeqCanvas.calculateWrappedGeometry has been called
411 SeqCanvas seqCanvas = alignViewport.getAlignPanel()
412 .getSeqPanel().seqCanvas;
414 final int charHeight = alignViewport.getCharHeight();
416 AnnotationLabels labels = null;
417 if (alignViewport.isShowAnnotation())
419 labels = new AnnotationLabels(alignViewport);
422 ViewportRanges ranges = alignViewport.getRanges();
424 int rowSize = ranges.getViewportWidth();
427 * draw repeating sequence ids until out of sequence data or
428 * out of visible space, whichever comes first
430 boolean hasHiddenRows = alignViewport.hasHiddenRows();
431 int ypos = seqCanvas.wrappedSpaceAboveAlignment;
432 int rowStartRes = ranges.getStartRes();
433 while ((ypos <= pageHeight) && (rowStartRes < alignmentWidth))
435 for (int i = startSeq; i < alheight; i++)
437 SequenceI s = alignViewport.getAlignment().getSequenceAt(i);
438 if (hasHiddenRows || alignViewport.isDisplayReferenceSeq())
440 g.setFont(getHiddenFont(s, alignViewport));
444 g.setFont(getIdfont());
446 drawIdString(g, hasHiddenRows, s, i, 0, ypos);
449 if (labels != null && alignViewport.isShowAnnotation())
451 int getWidth = getWidth();
452 int thisIdWidth = getWidth;
453 g.translate(0, ypos + (alheight * charHeight));
454 if (!manuallyAdjusted())
456 int getAnnotationsIdWidth = labels.drawLabels(g, false, -1, false,forGUI,
458 thisIdWidth = idWidth < 0 ? getAnnotationsIdWidth : idWidth;
459 if (thisIdWidth > getWidth)
461 this.setPreferredSize(
462 new Dimension(thisIdWidth, this.getHeight()));
464 alignViewport.setIdWidth(thisIdWidth);
467 labels.drawComponent(g, false, thisIdWidth, forGUI);
468 g.translate(0, -ypos - (alheight * charHeight));
471 ypos += seqCanvas.wrappedRepeatHeightPx;
472 rowStartRes += rowSize;
477 * Draws a marker (a blue right-pointing triangle) between sequences to
478 * indicate hidden sequences.
481 * @param alignViewport
486 void drawMarker(Graphics2D g, AlignViewport alignViewport, int seqIndex,
487 int starty, int yoffset)
489 SequenceI[] hseqs = alignViewport.getAlignment()
490 .getHiddenSequences().hiddenSequences;
491 // Use this method here instead of calling hiddenSeq adjust
493 int hSize = hseqs.length;
495 int hiddenIndex = seqIndex;
496 int lastIndex = seqIndex - 1;
497 int nextIndex = seqIndex + 1;
499 for (int j = 0; j < hSize; j++)
501 if (hseqs[j] != null)
503 if (j - 1 < hiddenIndex)
507 if (j - 1 < lastIndex)
511 if (j - 1 < nextIndex)
519 * are we below or above the hidden sequences?
521 boolean below = (hiddenIndex > lastIndex + 1);
522 boolean above = (nextIndex > hiddenIndex + 1);
524 g.setColor(Color.blue);
525 int charHeight = av.getCharHeight();
528 * vertices of the triangle, below or above hidden seqs
530 int[] xPoints = new int[] { getWidth() - charHeight,
531 getWidth() - charHeight, getWidth() };
532 int yShift = seqIndex - starty;
536 int[] yPoints = new int[] { yShift * charHeight + yoffset,
537 yShift * charHeight + yoffset + charHeight / 4,
538 yShift * charHeight + yoffset };
539 g.fillPolygon(xPoints, yPoints, 3);
544 int[] yPoints = new int[] { yShift * charHeight + yoffset,
545 yShift * charHeight + yoffset - charHeight / 4,
546 yShift * charHeight + yoffset };
547 g.fillPolygon(xPoints, yPoints, 3);
552 * Answers the standard sequence id font, or a bold font if the sequence is
553 * set as reference or a hidden group representative
556 * @param alignViewport
559 private Font getHiddenFont(SequenceI seq, AlignViewport alignViewport)
561 if (av.isReferenceSeq(seq) || av.isHiddenRepSequence(seq))
563 return new Font(av.getFont().getName(), Font.BOLD,
564 av.getFont().getSize());
575 public void setHighlighted(List<SequenceI> list)
577 searchResults = list;
581 public Font getIdfont()
586 public void setIdfont(Font idfont)
588 this.idfont = idfont;
592 * Respond to viewport range changes (e.g. alignment panel was scrolled). Both
593 * scrolling and resizing change viewport ranges. Scrolling changes both start
594 * and end points, but resize only changes end values. Here we only want to
595 * fastpaint on a scroll, with resize using a normal paint, so scroll events
596 * are identified as changes to the horizontal or vertical start value.
598 * In unwrapped mode, only responds to a vertical scroll, as horizontal scroll
599 * leaves sequence ids unchanged. In wrapped mode, only vertical scroll is
600 * provided, but it generates a change of "startres" which does require an
604 public void propertyChange(PropertyChangeEvent evt)
606 String propertyName = evt.getPropertyName();
607 if (propertyName.equals(ViewportRanges.STARTSEQ)
608 || (av.getWrapAlignment()
609 && propertyName.equals(ViewportRanges.STARTRES)))
611 fastPaint((int) evt.getNewValue() - (int) evt.getOldValue());
613 else if (propertyName.equals(ViewportRanges.STARTRESANDSEQ))
615 fastPaint(((int[]) evt.getNewValue())[1]
616 - ((int[]) evt.getOldValue())[1]);
618 else if (propertyName.equals(ViewportRanges.MOVE_VIEWPORT))
624 private boolean manuallyAdjusted = false;
626 public boolean manuallyAdjusted()
628 return manuallyAdjusted;
631 public void setManuallyAdjusted(boolean b)
633 manuallyAdjusted = b;