import jalview.datamodel.SequenceI;
import jalview.renderer.ScaleRenderer;
import jalview.renderer.ScaleRenderer.ScaleMark;
+import jalview.viewmodel.ViewportListenerI;
import jalview.viewmodel.ViewportRanges;
import java.awt.BasicStroke;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.image.BufferedImage;
+import java.beans.PropertyChangeEvent;
import java.util.List;
import javax.swing.JComponent;
* @author $author$
* @version $Revision$
*/
-public class SeqCanvas extends JComponent
+public class SeqCanvas extends JComponent implements ViewportListenerI
{
final FeatureRenderer fr;
setLayout(new BorderLayout());
PaintRefresher.Register(this, av.getSequenceSetId());
setBackground(Color.white);
+
+ av.getRanges().addPropertyChangeListener(this);
}
public SequenceRenderer getSequenceRenderer()
fastpainting = true;
fastPaint = true;
updateViewport();
- gg.copyArea(horizontal * charWidth, vertical * charHeight, imgWidth,
- imgHeight, -horizontal * charWidth, -vertical * charHeight);
ViewportRanges ranges = av.getRanges();
int sr = ranges.getStartRes();
int transX = 0;
int transY = 0;
+ gg.copyArea(horizontal * charWidth, vertical * charHeight, imgWidth,
+ imgHeight, -horizontal * charWidth, -vertical * charHeight);
+
if (horizontal > 0) // scrollbar pulled right, image to the left
{
- er++;
transX = (er - sr - horizontal) * charWidth;
sr = er - horizontal;
}
else if (horizontal < 0)
{
- er = sr - horizontal - 1;
+ er = sr - horizontal;
}
else if (vertical > 0) // scroll down
{
FontMetrics fm = getFontMetrics(av.getFont());
+ LABEL_EAST = 0;
+ LABEL_WEST = 0;
+
if (av.getScaleRightWrapped())
{
LABEL_EAST = fm.stringWidth(getMask());
av.setWrappedWidth(cWidth);
- av.getRanges().setEndRes(av.getRanges().getStartRes() + cWidth);
+ av.getRanges().setViewportStartAndWidth(startRes, cWidth);
int endx;
int ypos = hgap;
- int maxwidth = av.getAlignment().getWidth() - 1;
+ int maxwidth = av.getAlignment().getWidth();
if (av.hasHiddenColumns())
{
maxwidth = av.getAlignment().getHiddenColumns()
- .findColumnPosition(maxwidth) - 1;
+ .findColumnPosition(maxwidth);
}
while ((ypos <= canvasHeight) && (startRes < maxwidth))
g.setColor(Color.blue);
int res;
HiddenColumns hidden = av.getAlignment().getHiddenColumns();
- for (int i = 0; i < hidden.getListOfCols().size(); i++)
+ List<Integer> positions = hidden.findHiddenRegionPositions();
+ for (int pos : positions)
{
- res = hidden.findHiddenRegionPosition(i) - startRes;
+ res = pos - startRes;
if (res < 0 || res > endx - startRes)
{
(int) clip.getBounds().getHeight());
}
- drawPanel(g, startRes, endx, 0, al.getHeight(), ypos);
+ drawPanel(g, startRes, endx, 0, al.getHeight() - 1, ypos);
if (av.isShowAnnotation())
{
}
else
{
- List<int[]> regions = av.getAlignment().getHiddenColumns()
- .getListOfCols();
-
int screenY = 0;
int blockStart = startRes;
int blockEnd = endRes;
- for (int[] region : regions)
+ for (int[] region : av.getAlignment().getHiddenColumns()
+ .getHiddenColumnsCopy())
{
int hideStart = region[0];
int hideEnd = region[1];
g1.drawLine((blockEnd - blockStart + 1) * charWidth - 1,
0 + offset, (blockEnd - blockStart + 1) * charWidth - 1,
- (endSeq - startSeq) * charHeight + offset);
+ (endSeq - startSeq + 1) * charHeight + offset);
}
g1.translate(-screenY * charWidth, 0);
repaint();
}
+
+ @Override
+ public void propertyChange(PropertyChangeEvent evt)
+ {
+ String eventName = evt.getPropertyName();
+
+ 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());
+ }
+ }
+ }
}