* Currently fastPaint is not implemented for wrapped alignments. If a wrapped
* alignment had to be scrolled to show the highlighted region, then it should
* be fully redrawn, otherwise a fast paint can be performed. This argument
* could be removed if fast paint of scrolled wrapped alignment is coded in
* future (JAL-2609).
*
* @param results
* @param noFastPaint
* @return
*/
public boolean highlightSearchResults(SearchResultsI results,
boolean noFastPaint)
{
if (fastpainting)
{
return false;
}
boolean wrapped = av.getWrapAlignment();
try
{
fastPaint = !noFastPaint;
fastpainting = fastPaint;
updateViewport();
/*
* to avoid redrawing the whole visible region, we instead
* redraw just the minimal regions to remove previous highlights
* and add new ones
*/
SearchResultsI previous = av.getSearchResults();
av.setSearchResults(results);
boolean redrawn = false;
boolean drawn = false;
if (wrapped)
{
redrawn = drawMappedPositionsWrapped(previous);
drawn = drawMappedPositionsWrapped(results);
redrawn |= drawn;
}
else
{
redrawn = drawMappedPositions(previous);
drawn = drawMappedPositions(results);
redrawn |= drawn;
}
/*
* if highlights were either removed or added, repaint
*/
if (redrawn)
{
repaint();
}
/*
* return true only if highlights were added
*/
return drawn;
} finally
{
fastpainting = false;
}
}
/**
* Redraws the minimal rectangle in the visible region (if any) that includes
* mapped positions of the given search results. Whether or not positions are
* highlighted depends on the SearchResults set on the Viewport. This allows
* this method to be called to either clear or set highlighting. Answers true
* if any positions were drawn (in which case a repaint is still required),
* else false.
*
* @param results
* @return
*/
protected boolean drawMappedPositions(SearchResultsI results)
{
if (results == null)
{
return false;
}
/*
* calculate the minimal rectangle to redraw that
* includes both new and existing search results
*/
int firstSeq = Integer.MAX_VALUE;
int lastSeq = -1;
int firstCol = Integer.MAX_VALUE;
int lastCol = -1;
boolean matchFound = false;
ViewportRanges ranges = av.getRanges();
int firstVisibleColumn = ranges.getStartRes();
int lastVisibleColumn = ranges.getEndRes();
AlignmentI alignment = av.getAlignment();
if (av.hasHiddenColumns())
{
firstVisibleColumn = alignment.getHiddenColumns()
.adjustForHiddenColumns(firstVisibleColumn);
lastVisibleColumn = alignment.getHiddenColumns()
.adjustForHiddenColumns(lastVisibleColumn);
}
for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
.getEndSeq(); seqNo++)
{
SequenceI seq = alignment.getSequenceAt(seqNo);
int[] visibleResults = results.getResults(seq, firstVisibleColumn,
lastVisibleColumn);
if (visibleResults != null)
{
for (int i = 0; i < visibleResults.length - 1; i += 2)
{
int firstMatchedColumn = visibleResults[i];
int lastMatchedColumn = visibleResults[i + 1];
if (firstMatchedColumn <= lastVisibleColumn
&& lastMatchedColumn >= firstVisibleColumn)
{
/*
* found a search results match in the visible region -
* remember the first and last sequence matched, and the first
* and last visible columns in the matched positions
*/
matchFound = true;
firstSeq = Math.min(firstSeq, seqNo);
lastSeq = Math.max(lastSeq, seqNo);
firstMatchedColumn = Math.max(firstMatchedColumn,
firstVisibleColumn);
lastMatchedColumn = Math.min(lastMatchedColumn,
lastVisibleColumn);
firstCol = Math.min(firstCol, firstMatchedColumn);
lastCol = Math.max(lastCol, lastMatchedColumn);
}
}
}
}
if (matchFound)
{
if (av.hasHiddenColumns())
{
firstCol = alignment.getHiddenColumns()
.findColumnPosition(firstCol);
lastCol = alignment.getHiddenColumns().findColumnPosition(lastCol);
}
int transX = (firstCol - ranges.getStartRes()) * av.getCharWidth();
int transY = (firstSeq - ranges.getStartSeq()) * av.getCharHeight();
gg.translate(transX, transY);
drawPanel(gg, firstCol, lastCol, firstSeq, lastSeq, 0);
gg.translate(-transX, -transY);
}
return matchFound;
}
@Override
public void propertyChange(PropertyChangeEvent evt)
{
String eventName = evt.getPropertyName();
if (eventName.equals(SequenceGroup.SEQ_GROUP_CHANGED))
{
fastPaint = true;
repaint();
}
else if (av.getWrapAlignment())
{
if (eventName.equals(ViewportRanges.STARTRES))
{
repaint();
}
}
else
{
int scrollX = 0;
if (eventName.equals(ViewportRanges.STARTRES))
{
// Make sure we're not trying to draw a panel
// larger than the visible window
ViewportRanges vpRanges = av.getRanges();
scrollX = (int) evt.getNewValue() - (int) evt.getOldValue();
int range = vpRanges.getEndRes() - vpRanges.getStartRes();
if (scrollX > range)
{
scrollX = range;
}
else if (scrollX < -range)
{
scrollX = -range;
}
}
// Both scrolling and resizing change viewport ranges: scrolling changes
// both start and end points, but resize only changes end values.
// Here we only want to fastpaint on a scroll, with resize using a normal
// paint, so scroll events are identified as changes to the horizontal or
// vertical start value.
if (eventName.equals(ViewportRanges.STARTRES))
{
// scroll - startres and endres both change
fastPaint(scrollX, 0);
}
else if (eventName.equals(ViewportRanges.STARTSEQ))
{
// scroll
fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue());
}
}
}
/**
* Redraws any positions in the search results in the visible region of a
* wrapped alignment. Any highlights are drawn depending on the search results
* set on the Viewport, not the results
argument. This allows
* this method to be called either to clear highlights (passing the previous
* search results), or to draw new highlights.
*
* @param results
* @return
*/
protected boolean drawMappedPositionsWrapped(SearchResultsI results)
{
if (results == null)
{
return false;
}
boolean matchFound = false;
int wrappedWidth = av.getWrappedWidth();
int wrappedHeight = getRepeatHeightWrapped();
ViewportRanges ranges = av.getRanges();
int canvasHeight = getHeight();
int repeats = canvasHeight / wrappedHeight;
if (canvasHeight / wrappedHeight > 0)
{
repeats++;
}
int firstVisibleColumn = ranges.getStartRes();
int lastVisibleColumn = ranges.getStartRes() + repeats
* ranges.getViewportWidth() - 1;
AlignmentI alignment = av.getAlignment();
if (av.hasHiddenColumns())
{
firstVisibleColumn = alignment.getHiddenColumns()
.adjustForHiddenColumns(firstVisibleColumn);
lastVisibleColumn = alignment.getHiddenColumns()
.adjustForHiddenColumns(lastVisibleColumn);
}
int gapHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
.getEndSeq(); seqNo++)
{
SequenceI seq = alignment.getSequenceAt(seqNo);
int[] visibleResults = results.getResults(seq, firstVisibleColumn,
lastVisibleColumn);
if (visibleResults != null)
{
for (int i = 0; i < visibleResults.length - 1; i += 2)
{
int firstMatchedColumn = visibleResults[i];
int lastMatchedColumn = visibleResults[i + 1];
if (firstMatchedColumn <= lastVisibleColumn
&& lastMatchedColumn >= firstVisibleColumn)
{
/*
* found a search results match in the visible region
*/
firstMatchedColumn = Math.max(firstMatchedColumn,
firstVisibleColumn);
lastMatchedColumn = Math.min(lastMatchedColumn,
lastVisibleColumn);
/*
* draw each mapped position separately (as contiguous positions may
* wrap across lines)
*/
for (int mappedPos = firstMatchedColumn; mappedPos <= lastMatchedColumn; mappedPos++)
{
int displayColumn = mappedPos;
if (av.hasHiddenColumns())
{
displayColumn = alignment.getHiddenColumns()
.findColumnPosition(displayColumn);
}
/*
* transX: offset from left edge of canvas to residue position
*/
int transX = labelWidthWest
+ ((displayColumn - ranges.getStartRes()) % wrappedWidth)
* av.getCharWidth();
/*
* transY: offset from top edge of canvas to residue position
*/
int transY = gapHeight;
transY += (displayColumn - ranges.getStartRes())
/ wrappedWidth * wrappedHeight;
transY += (seqNo - ranges.getStartSeq()) * av.getCharHeight();
/*
* yOffset is from graphics origin to start of visible region
*/
int yOffset = 0;// (displayColumn / wrappedWidth) * wrappedHeight;
if (transY < getHeight())
{
matchFound = true;
gg.translate(transX, transY);
drawPanel(gg, displayColumn, displayColumn, seqNo, seqNo,
yOffset);
gg.translate(-transX, -transY);
}
}
}
}
}
}
return matchFound;
}
/**
* Answers the height in pixels of a repeating section of the wrapped
* alignment, including space above, scale above if shown, sequences, and
* annotation panel if shown
*
* @return
*/
protected int getRepeatHeightWrapped()
{
// gap (and maybe scale) above
int repeatHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
// add sequences
repeatHeight += av.getRanges().getViewportHeight() * charHeight;
// add annotations panel height if shown
repeatHeight += getAnnotationHeight();
return repeatHeight;
}
}