import jalview.api.AlignmentViewPanel;
import jalview.bin.JalviewLite;
import jalview.datamodel.AlignmentI;
-import jalview.datamodel.SearchResults;
+import jalview.datamodel.SearchResultsI;
import jalview.datamodel.SequenceI;
import jalview.structure.StructureSelectionManager;
+import jalview.viewmodel.ViewportListenerI;
+import jalview.viewmodel.ViewportRanges;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.AdjustmentListener;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
+import java.beans.PropertyChangeEvent;
import java.util.List;
-public class AlignmentPanel extends Panel implements AdjustmentListener,
- AlignmentViewPanel
+@SuppressWarnings("serial")
+public class AlignmentPanel extends Panel
+ implements AdjustmentListener, AlignmentViewPanel, ViewportListenerI
{
public AlignViewport av;
AnnotationLabels alabels;
+ ViewportRanges vpRanges;
+
// this value is set false when selection area being dragged
boolean fastPaint = true;
- @Override
- public void finalize() throws Throwable
- {
- alignFrame = null;
- av = null;
- seqPanel = null;
- seqPanelHolder = null;
- sequenceHolderPanel = null;
- scalePanel = null;
- scalePanelHolder = null;
- annotationPanel = null;
- annotationPanelHolder = null;
- annotationSpaceFillerHolder = null;
- super.finalize();
- }
-
public AlignmentPanel(AlignFrame af, final AlignViewport av)
{
try
alignFrame = af;
this.av = av;
+ vpRanges = av.getRanges();
seqPanel = new SeqPanel(av, this);
idPanel = new IdPanel(av, this);
scalePanel = new ScalePanel(av, this);
@Override
public void componentResized(ComponentEvent evt)
{
- setScrollValues(av.getStartRes(), av.getStartSeq());
+ // reset the viewport ranges when the alignment panel is resized
+ // in particular, this initialises the end residue value when Jalview
+ // is initialised
+ if (av.getWrapAlignment())
+ {
+ int widthInRes = seqPanel.seqCanvas
+ .getWrappedCanvasWidth(seqPanel.seqCanvas.getWidth());
+ vpRanges.setViewportWidth(widthInRes);
+ }
+ else
+ {
+ int widthInRes = seqPanel.seqCanvas.getWidth()
+ / av.getCharWidth();
+ int heightInSeq = seqPanel.seqCanvas.getHeight()
+ / av.getCharHeight();
+
+ vpRanges.setViewportWidth(widthInRes);
+ vpRanges.setViewportHeight(heightInSeq);
+ }
+ // setScrollValues(vpRanges.getStartRes(), vpRanges.getStartSeq());
if (getSize().height > 0
&& annotationPanelHolder.getSize().height > 0)
{
}
}
});
+ av.getRanges().addPropertyChangeListener(this);
}
@Override
idPanel.idCanvas.image = null;
FontMetrics fm = getFontMetrics(av.getFont());
- scalePanel.setSize(new Dimension(10, av.getCharHeight()
- + fm.getDescent()));
- idwidthAdjuster.setSize(new Dimension(10, av.getCharHeight()
- + fm.getDescent()));
+ scalePanel.setSize(
+ new Dimension(10, av.getCharHeight() + fm.getDescent()));
+ idwidthAdjuster.setSize(
+ new Dimension(10, av.getCharHeight() + fm.getDescent()));
av.updateSequenceIdColours();
annotationPanel.image = null;
int ap = annotationPanel.adjustPanelHeight(false);
annotationPanel.repaint();
validate();
repaint();
-
- if (overviewPanel != null)
- {
- overviewPanel.updateOverviewImage();
- }
}
public void setIdWidth(int w, int h)
* Highlight the given results on the alignment.
*
*/
- public void highlightSearchResults(SearchResults results)
+ public void highlightSearchResults(SearchResultsI results)
{
scrollToPosition(results);
seqPanel.seqCanvas.highlightSearchResults(results);
* @param results
* @return false if results were not found
*/
- public boolean scrollToPosition(SearchResults results)
+ public boolean scrollToPosition(SearchResultsI results)
{
return scrollToPosition(results, true);
}
* - when set, the overview will be recalculated (takes longer)
* @return false if results were not found
*/
- public boolean scrollToPosition(SearchResults results,
+ public boolean scrollToPosition(SearchResultsI results,
boolean redrawOverview)
{
- return scrollToPosition(results, redrawOverview, false);
+ return scrollToPosition(results, 0, redrawOverview, false);
}
/**
* - when set, the overview will be recalculated (takes longer)
* @return false if results were not found
*/
- public boolean scrollToPosition(SearchResults results,
- boolean redrawOverview, boolean centre)
+ public boolean scrollToPosition(SearchResultsI results,
+ int verticalOffset, boolean redrawOverview, boolean centre)
{
// do we need to scroll the panel?
- if (results != null && results.getSize() > 0)
+ if (results != null && results.getCount() > 0)
{
AlignmentI alignment = av.getAlignment();
int seqIndex = alignment.findIndex(results);
{
return false;
}
+ /*
+ * allow for offset of target sequence (actually scroll to one above it)
+ */
+
SequenceI seq = alignment.getSequenceAt(seqIndex);
int[] r = results.getResults(seq, 0, alignment.getWidth());
if (r == null)
{
if (JalviewLite.debug)
{// DEBUG
- System.out
- .println("DEBUG: scroll didn't happen - results not within alignment : "
+ System.out.println(
+ "DEBUG: scroll didn't happen - results not within alignment : "
+ seq.getStart() + "," + seq.getEnd());
}
return false;
*/
if (centre)
{
- int offset = (av.getEndRes() - av.getStartRes() + 1) / 2 - 1;
+ int offset = (vpRanges.getEndRes() - vpRanges.getStartRes() + 1) / 2
+ - 1;
start = Math.max(start - offset, 0);
- end = Math.min(end + offset, seq.getEnd() - 1);
+ end = end + offset - 1;
+ // end = Math.min(end + offset, seq.getEnd() - 1);
}
if (start < 0)
{
return false;
}
+
+ /*
+ * allow for offset of target sequence (actually scroll to one above it)
+ */
+ seqIndex = Math.max(0, seqIndex - verticalOffset);
return scrollTo(start, end, seqIndex, false, redrawOverview);
}
return true;
public boolean scrollTo(int ostart, int end, int seqIndex,
boolean scrollToNearest, boolean redrawOverview)
{
- int startv, endv, starts, ends, width;
+ int startv, endv, starts, ends;// , width;
int start = -1;
if (av.hasHiddenColumns())
{
- start = av.getColumnSelection().findColumnPosition(ostart);
- end = av.getColumnSelection().findColumnPosition(end);
+ AlignmentI al = av.getAlignment();
+ start = al.getHiddenColumns().absoluteToVisibleColumn(ostart);
+ end = al.getHiddenColumns().absoluteToVisibleColumn(end);
if (start == end)
{
- if (!scrollToNearest && !av.getColumnSelection().isVisible(ostart))
+ if (!scrollToNearest && !al.getHiddenColumns().isVisible(ostart))
{
// don't scroll - position isn't visible
return false;
{
start = ostart;
}
+
if (!av.getWrapAlignment())
{
/*
// setScrollValues(start, seqIndex);
// }
// logic copied from jalview.gui.AlignmentPanel:
- if ((startv = av.getStartRes()) >= start)
+ if ((startv = vpRanges.getStartRes()) >= start)
{
/*
* Scroll left to make start of search results visible
*/
setScrollValues(start - 1, seqIndex);
}
- else if ((endv = av.getEndRes()) <= end)
+ else if ((endv = vpRanges.getEndRes()) <= end)
{
/*
* Scroll right to make end of search results visible
*/
setScrollValues(startv + 1 + end - endv, seqIndex);
}
- else if ((starts = av.getStartSeq()) > seqIndex)
+ else if ((starts = vpRanges.getStartSeq()) > seqIndex)
{
/*
* Scroll up to make start of search results visible
*/
- setScrollValues(av.getStartRes(), seqIndex);
+ setScrollValues(vpRanges.getStartRes(), seqIndex);
}
- else if ((ends = av.getEndSeq()) <= seqIndex)
+ else if ((ends = vpRanges.getEndSeq()) <= seqIndex)
{
/*
* Scroll down to make end of search results visible
*/
- setScrollValues(av.getStartRes(), starts + seqIndex - ends + 1);
+ setScrollValues(vpRanges.getStartRes(),
+ starts + seqIndex - ends + 1);
}
/*
* Else results are already visible - no need to scroll
}
else
{
- scrollToWrappedVisible(start);
+ vpRanges.scrollToWrappedVisible(start);
}
- if (redrawOverview && overviewPanel != null)
- {
- overviewPanel.setBoxPosition();
- }
- paintAlignment(redrawOverview);
- return true;
- }
- void scrollToWrappedVisible(int res)
- {
- int cwidth = seqPanel.seqCanvas
- .getWrappedCanvasWidth(seqPanel.seqCanvas.getSize().width);
- if (res <= av.getStartRes() || res >= (av.getStartRes() + cwidth))
- {
- vscroll.setValue(res / cwidth);
- av.startRes = vscroll.getValue() * cwidth;
- }
+ paintAlignment(redrawOverview, false);
+ return true;
}
public OverviewPanel getOverviewPanel()
// this is called after loading new annotation onto alignment
if (alignFrame.getSize().height == 0)
{
- System.out
- .println("adjustAnnotationHeight frame size zero NEEDS FIXING");
+ System.out.println(
+ "adjustAnnotationHeight frame size zero NEEDS FIXING");
}
fontChanged();
validateAnnotationDimensions(true);
apvscroll.addNotify();
hscroll.addNotify();
validate();
- paintAlignment(true);
+ paintAlignment(true, false);
}
/**
*/
if (annotationHeight + alignmentHeight > availableHeight)
{
- annotationHeight = Math.min(annotationHeight, availableHeight - 2
- * rowHeight);
+ annotationHeight = Math.min(annotationHeight,
+ availableHeight - 2 * rowHeight);
}
}
else
annotationPanel.setSize(new Dimension(d.width, annotationHeight));
annotationPanelHolder.setSize(new Dimension(d.width, annotationHeight));
// seqPanelHolder.setSize(d.width, seqandannot - height);
- seqPanel.seqCanvas
- .setSize(d.width, seqPanel.seqCanvas.getSize().height);
+ seqPanel.seqCanvas.setSize(d.width,
+ seqPanel.seqCanvas.getSize().height);
Dimension e = idPanel.getSize();
alabels.setSize(new Dimension(e.width, annotationHeight));
- annotationSpaceFillerHolder.setSize(new Dimension(e.width,
- annotationHeight));
+ annotationSpaceFillerHolder
+ .setSize(new Dimension(e.width, annotationHeight));
int s = apvscroll.getValue();
if (s > mheight - annotationHeight)
public void setWrapAlignment(boolean wrap)
{
- av.startSeq = 0;
- av.startRes = 0;
+ vpRanges.setStartEndSeq(0, vpRanges.getVisibleAlignmentHeight());
+ vpRanges.setStartRes(0);
scalePanelHolder.setVisible(!wrap);
hscroll.setVisible(!wrap);
int vextent = 0;
- // return value is true if the scroll is valid
- public boolean scrollUp(boolean up)
+ public void setScrollValues(int xpos, int ypos)
{
- if (up)
+ int x = xpos;
+ int y = ypos;
+
+ if (av.getWrapAlignment())
{
- if (vscroll.getValue() < 1)
- {
- return false;
- }
- setScrollValues(hscroll.getValue(), vscroll.getValue() - 1);
+ setScrollingForWrappedPanel(x);
}
else
{
- if (vextent + vscroll.getValue() >= av.getAlignment().getHeight())
+ int width = av.getAlignment().getVisibleWidth();
+ int height = av.getAlignment().getHeight();
+
+ if (x < 0)
{
- return false;
+ x = 0;
}
- setScrollValues(hscroll.getValue(), vscroll.getValue() + 1);
- }
- repaint();
- return true;
- }
+ hextent = seqPanel.seqCanvas.getSize().width / av.getCharWidth();
+ vextent = seqPanel.seqCanvas.getSize().height / av.getCharHeight();
- public boolean scrollRight(boolean right)
- {
- if (!right)
- {
- if (hscroll.getValue() < 1)
+ if (hextent > width)
{
- return false;
+ hextent = width;
}
- setScrollValues(hscroll.getValue() - 1, vscroll.getValue());
- }
- else
- {
- if (hextent + hscroll.getValue() >= av.getAlignment().getWidth())
+
+ if (vextent > height)
{
- return false;
+ vextent = height;
}
- setScrollValues(hscroll.getValue() + 1, vscroll.getValue());
- }
-
- repaint();
- return true;
- }
- public void setScrollValues(int x, int y)
- {
- int width = av.getAlignment().getWidth();
- int height = av.getAlignment().getHeight();
-
- if (av.hasHiddenColumns())
- {
- width = av.getColumnSelection().findColumnPosition(width);
- }
- if (x < 0)
- {
- x = 0;
- }
- ;
-
- hextent = seqPanel.seqCanvas.getSize().width / av.getCharWidth();
- vextent = seqPanel.seqCanvas.getSize().height / av.getCharHeight();
-
- if (hextent > width)
- {
- hextent = width;
- }
-
- if (vextent > height)
- {
- vextent = height;
- }
-
- if ((hextent + x) > width)
- {
- System.err.println("hextent was " + hextent + " and x was " + x);
-
- x = width - hextent;
- }
-
- if ((vextent + y) > height)
- {
- y = height - vextent;
- }
+ if ((hextent + x) > width)
+ {
+ System.err.println("hextent was " + hextent + " and x was " + x);
- if (y < 0)
- {
- y = 0;
- }
+ x = width - hextent;
+ }
- if (x < 0)
- {
- System.err.println("x was " + x);
- x = 0;
- }
+ if ((vextent + y) > height)
+ {
+ y = height - vextent;
+ }
- av.setStartSeq(y);
+ if (y < 0)
+ {
+ y = 0;
+ }
- int endSeq = y + vextent;
- if (endSeq > av.getAlignment().getHeight())
- {
- endSeq = av.getAlignment().getHeight();
- }
+ if (x < 0)
+ {
+ System.err.println("x was " + x);
+ x = 0;
+ }
- av.setEndSeq(endSeq);
- av.setStartRes(x);
- av.setEndRes((x + (seqPanel.seqCanvas.getSize().width / av
- .getCharWidth())) - 1);
+ hscroll.setValues(x, hextent, 0, width);
+ vscroll.setValues(y, vextent, 0, height);
- hscroll.setValues(x, hextent, 0, width);
- vscroll.setValues(y, vextent, 0, height);
+ // AWT scrollbar does not fire adjustmentValueChanged for setValues
+ // so also call adjustment code!
+ adjustHorizontal(x);
+ adjustVertical(y);
- if (overviewPanel != null)
- {
- overviewPanel.setBoxPosition();
+ sendViewPosition();
}
- sendViewPosition();
-
}
+ /**
+ * Respond to adjustment event when horizontal or vertical scrollbar is
+ * changed
+ *
+ * @param evt
+ * adjustment event encoding whether apvscroll, hscroll or vscroll
+ * changed
+ */
@Override
public void adjustmentValueChanged(AdjustmentEvent evt)
{
- int oldX = av.getStartRes();
- int oldY = av.getStartSeq();
-
+ // Note that this event is NOT fired by the AWT scrollbar when setValues is
+ // called. Instead manually call adjustHorizontal and adjustVertical
+ // directly.
if (evt == null || evt.getSource() == apvscroll)
{
annotationPanel.setScrollOffset(apvscroll.getValue(), false);
alabels.setScrollOffset(apvscroll.getValue(), false);
- // annotationPanel.image=null;
- // alabels.image=null;
- // alabels.repaint();
- // annotationPanel.repaint();
}
if (evt == null || evt.getSource() == hscroll)
{
int x = hscroll.getValue();
- av.setStartRes(x);
- av.setEndRes(x + seqPanel.seqCanvas.getSize().width
- / av.getCharWidth() - 1);
+ adjustHorizontal(x);
}
if (evt == null || evt.getSource() == vscroll)
{
int offy = vscroll.getValue();
- if (av.getWrapAlignment())
- {
- int rowSize = seqPanel.seqCanvas
- .getWrappedCanvasWidth(seqPanel.seqCanvas.getSize().width);
- av.setStartRes(vscroll.getValue() * rowSize);
- av.setEndRes((vscroll.getValue() + 1) * rowSize);
- }
- else
- {
- av.setStartSeq(offy);
- av.setEndSeq(offy + seqPanel.seqCanvas.getSize().height
- / av.getCharHeight());
- }
+ adjustVertical(offy);
}
- if (overviewPanel != null)
+ }
+
+ private void adjustHorizontal(int x)
+ {
+ int oldX = vpRanges.getStartRes();
+ int oldwidth = vpRanges.getViewportWidth();
+ int width = seqPanel.seqCanvas.getWidth() / av.getCharWidth();
+
+ // if we're scrolling to the position we're already at, stop
+ // this prevents infinite recursion of events when the scroll/viewport
+ // ranges values are the same
+ if ((x == oldX) && (width == oldwidth))
{
- overviewPanel.setBoxPosition();
+ return;
}
+ vpRanges.setViewportStartAndWidth(x, width);
- int scrollX = av.startRes - oldX;
- int scrollY = av.startSeq - oldY;
-
- if (av.getWrapAlignment() || !fastPaint || av.MAC)
+ if (av.getWrapAlignment() || !fastPaint)
{
repaint();
}
- else
+ sendViewPosition();
+ }
+
+ private void adjustVertical(int newY)
+ {
+ if (av.getWrapAlignment())
{
- // Make sure we're not trying to draw a panel
- // larger than the visible window
- if (scrollX > av.endRes - av.startRes)
+ /*
+ * if we're scrolling to the position we're already at, stop
+ * this prevents infinite recursion of events when the scroll/viewport
+ * ranges values are the same
+ */
+ int oldX = vpRanges.getStartRes();
+ int oldY = vpRanges.getWrappedScrollPosition(oldX);
+ if (oldY == newY)
{
- scrollX = av.endRes - av.startRes;
+ return;
}
- else if (scrollX < av.startRes - av.endRes)
+ if (newY > -1)
{
- scrollX = av.startRes - av.endRes;
- }
-
- idPanel.idCanvas.fastPaint(scrollY);
- seqPanel.seqCanvas.fastPaint(scrollX, scrollY);
-
- scalePanel.repaint();
- if (av.isShowAnnotation())
- {
- annotationPanel.fastPaint(av.getStartRes() - oldX);
+ /*
+ * limit page up/down to one width's worth of positions
+ */
+ int rowSize = vpRanges.getViewportWidth();
+ int newX = newY > oldY ? oldX + rowSize : oldX - rowSize;
+ vpRanges.setViewportStartAndWidth(Math.max(0, newX), rowSize);
}
}
- sendViewPosition();
-
- /*
- * If there is one, scroll the (Protein/cDNA) complementary alignment to
- * match, unless we are ourselves doing that.
- */
- if (isFollowingComplementScroll())
+ else
{
- setFollowingComplementScroll(false);
+ int height = seqPanel.seqCanvas.getHeight() / av.getCharHeight();
+ int oldY = vpRanges.getStartSeq();
+ int oldheight = vpRanges.getViewportHeight();
+
+ // if we're scrolling to the position we're already at, stop
+ // this prevents infinite recursion of events when the scroll/viewport
+ // ranges values are the same
+ if ((newY == oldY) && (height == oldheight))
+ {
+ return;
+ }
+ vpRanges.setViewportStartAndHeight(newY, height);
}
- else
+ if (av.getWrapAlignment() || !fastPaint)
{
- AlignmentPanel ap = getComplementPanel();
- av.scrollComplementaryAlignment(ap);
+ repaint();
}
-
+ sendViewPosition();
}
/**
* @param seqOffset
* the number of visible sequences to show above the mapped region
*/
- protected void scrollToCentre(SearchResults sr, int seqOffset)
+ protected void scrollToCentre(SearchResultsI sr, int seqOffset)
{
/*
* To avoid jumpy vertical scrolling (if some sequences are gapped or not
* mapped), we can make the scroll-to location a sequence above the one
* actually mapped.
*/
- SequenceI mappedTo = sr.getResultSequence(0);
+ SequenceI mappedTo = sr.getResults().get(0).getSequence();
List<SequenceI> seqs = av.getAlignment().getSequences();
/*
* This is like AlignmentI.findIndex(seq) but here we are matching the
* dataset sequence not the aligned sequence
*/
- int sequenceIndex = 0;
boolean matched = false;
for (SequenceI seq : seqs)
{
matched = true;
break;
}
- sequenceIndex++;
}
if (!matched)
{
return; // failsafe, shouldn't happen
}
- sequenceIndex = Math.max(0, sequenceIndex - seqOffset);
- sr.getResults().get(0)
- .setSequence(av.getAlignment().getSequenceAt(sequenceIndex));
/*
* Scroll to position but centring the target residue. Also set a state flag
* to prevent adjustmentValueChanged performing this recursively.
*/
- setFollowingComplementScroll(true);
- scrollToPosition(sr, true, true);
+ scrollToPosition(sr, seqOffset, true, true);
}
private void sendViewPosition()
{
StructureSelectionManager.getStructureSelectionManager(av.applet)
- .sendViewPosition(this, av.startRes, av.endRes, av.startSeq,
- av.endSeq);
+ .sendViewPosition(this, vpRanges.getStartRes(),
+ vpRanges.getEndRes(), vpRanges.getStartSeq(),
+ vpRanges.getEndSeq());
}
/**
* Repaint the alignment and annotations, and, optionally, any overview window
*/
@Override
- public void paintAlignment(boolean updateOverview)
+ public void paintAlignment(boolean updateOverview,
+ boolean updateStructures)
{
final AnnotationSorter sorter = new AnnotationSorter(getAlignment(),
av.isShowAutocalculatedAbove());
av.getSortAnnotationsBy());
repaint();
- if (updateOverview)
+ if (updateStructures)
{
- // TODO: determine if this paintAlignment changed structure colours
jalview.structure.StructureSelectionManager
.getStructureSelectionManager(av.applet)
.sequenceColoursChanged(this);
-
+ }
+ if (updateOverview)
+ {
if (overviewPanel != null)
{
overviewPanel.updateOverviewImage();
idPanel.idCanvas.setSize(d.width, canvasHeight);
}
- if (av.getWrapAlignment())
- {
- int maxwidth = av.getAlignment().getWidth();
-
- if (av.hasHiddenColumns())
- {
- maxwidth = av.getColumnSelection().findColumnPosition(maxwidth) - 1;
- }
-
- int canvasWidth = seqPanel.seqCanvas
- .getWrappedCanvasWidth(seqPanel.seqCanvas.getSize().width);
-
- if (canvasWidth > 0)
- {
- int max = maxwidth / canvasWidth;
- vscroll.setMaximum(1 + max);
- vscroll.setUnitIncrement(1);
- vscroll.setVisibleAmount(1);
- }
- }
- else
- {
- setScrollValues(av.getStartRes(), av.getStartSeq());
- }
+ setScrollValues(vpRanges.getStartRes(), vpRanges.getStartSeq());
seqPanel.seqCanvas.repaint();
idPanel.idCanvas.repaint();
}
+ /**
+ * Set vertical scroll bar parameters for wrapped panel
+ *
+ * @param topLeftColumn
+ * the column position at top left (0..)
+ */
+ private void setScrollingForWrappedPanel(int topLeftColumn)
+ {
+ int scrollPosition = vpRanges.getWrappedScrollPosition(topLeftColumn);
+ int maxScroll = vpRanges.getWrappedMaxScroll(topLeftColumn);
+
+ /*
+ * a scrollbar's value can be set to at most (maximum-extent)
+ * so we add extent (1) to the maxScroll value
+ */
+ vscroll.setUnitIncrement(1);
+ vscroll.setValues(scrollPosition, 1, 0, maxScroll + 1);
+ }
+
protected Panel sequenceHolderPanel = new Panel();
protected Scrollbar vscroll = new Scrollbar();
/*
* Flag set while scrolling to follow complementary cDNA/protein scroll. When
- * true, suppresses invoking the same method recursively.
+ * false, suppresses invoking the same method recursively.
*/
- private boolean followingComplementScroll;
+ private boolean scrollComplementaryPanel = true;
private void jbInit() throws Exception
{
*
* @param b
*/
- protected void setFollowingComplementScroll(boolean b)
+ protected void setToScrollComplementPanel(boolean b)
{
- this.followingComplementScroll = b;
+ this.scrollComplementaryPanel = b;
}
- protected boolean isFollowingComplementScroll()
+ /**
+ * Get whether to scroll complement panel
+ *
+ * @return true if cDNA/protein complement panels should be scrolled
+ */
+ protected boolean isSetToScrollComplementPanel()
+ {
+ return this.scrollComplementaryPanel;
+ }
+
+ @Override
+ /**
+ * Property change event fired when a change is made to the viewport ranges
+ * object associated with this alignment panel's viewport
+ */
+ public void propertyChange(PropertyChangeEvent evt)
{
- return this.followingComplementScroll;
+ // update this panel's scroll values based on the new viewport ranges values
+ int x = vpRanges.getStartRes();
+ int y = vpRanges.getStartSeq();
+ setScrollValues(x, y);
+
+ // now update any complementary alignment (its viewport ranges object
+ // is different so does not get automatically updated)
+ if (isSetToScrollComplementPanel())
+ {
+ setToScrollComplementPanel(false);
+ av.scrollComplementaryAlignment(getComplementPanel());
+ setToScrollComplementPanel(true);
+ }
+
}
}