void setCursorRow()
{
seqCanvas.cursorY = getKeyboardNo1() - 1;
- scrollToVisible();
+ scrollToVisible(true);
}
void setCursorColumn()
{
seqCanvas.cursorX = getKeyboardNo1() - 1;
- scrollToVisible();
+ scrollToVisible(true);
}
void setCursorRowAndColumn()
{
seqCanvas.cursorX = getKeyboardNo1() - 1;
seqCanvas.cursorY = getKeyboardNo2() - 1;
- scrollToVisible();
+ scrollToVisible(true);
}
}
SequenceI sequence = av.getAlignment().getSequenceAt(seqCanvas.cursorY);
seqCanvas.cursorX = sequence.findIndex(getKeyboardNo1()) - 1;
- scrollToVisible();
+ scrollToVisible(true);
}
void moveCursor(int dx, int dy)
}
}
- scrollToVisible();
+ scrollToVisible(false);
}
- void scrollToVisible()
+ /**
+ * Scroll to make the cursor visible in the viewport.
+ *
+ * @param jump
+ * just jump to the location rather than scrolling
+ */
+ void scrollToVisible(boolean jump)
{
if (seqCanvas.cursorX < 0)
{
}
endEditing();
- if (av.getWrapAlignment())
+
+ boolean repaintNeeded = true;
+ if (jump)
{
- // scrollToWrappedVisible expects x-value to have hidden cols subtracted
- int x = av.getAlignment().getHiddenColumns()
- .findColumnPosition(seqCanvas.cursorX);
- av.getRanges().scrollToWrappedVisible(x);
+ // only need to repaint if the viewport did not move, as otherwise it will
+ // get a repaint
+ repaintNeeded = !av.getRanges().setViewportLocation(seqCanvas.cursorX,
+ seqCanvas.cursorY);
}
else
{
- av.getRanges().scrollToVisible(seqCanvas.cursorX, seqCanvas.cursorY);
+ if (av.getWrapAlignment())
+ {
- av.getRanges().scrollToWrappedVisible(seqCanvas.cursorX);
++ // scrollToWrappedVisible expects x-value to have hidden cols subtracted
++ int x = av.getAlignment().getHiddenColumns()
++ .findColumnPosition(seqCanvas.cursorX);
++ av.getRanges().scrollToWrappedVisible(x);
+ }
+ else
+ {
+ av.getRanges().scrollToVisible(seqCanvas.cursorX,
+ seqCanvas.cursorY);
+ }
}
- setStatusMessage(av.getAlignment().getSequenceAt(seqCanvas.cursorY),
+
+ if (av.getAlignment().getHiddenColumns().isVisible(seqCanvas.cursorX))
+ {
+ setStatusMessage(av.getAlignment().getSequenceAt(seqCanvas.cursorY),
seqCanvas.cursorX, seqCanvas.cursorY);
+ }
- seqCanvas.repaint();
+ if (repaintNeeded)
+ {
+ seqCanvas.repaint();
+ }
}
+
void setSelectionAreaAtCursor(boolean topLeft)
{
SequenceI sequence = av.getAlignment().getSequenceAt(seqCanvas.cursorY);
import jalview.datamodel.HiddenColumns;
/**
- * Slightly less embryonic class which: Supplies and updates viewport properties
- * relating to position such as: start and end residues and sequences; ideally
- * will serve hidden columns/rows too. Intention also to support calculations
- * for positioning, scrolling etc. such as finding the middle of the viewport,
- * checking for scrolls off screen
+ * Supplies and updates viewport properties relating to position such as: start
+ * and end residues and sequences; ideally will serve hidden columns/rows too.
+ * Intention also to support calculations for positioning, scrolling etc. such
+ * as finding the middle of the viewport, checking for scrolls off screen
*/
public class ViewportRanges extends ViewportProperties
{
public static final String ENDSEQ = "endseq";
+ public static final String STARTRESANDSEQ = "startresandseq";
+
+ public static final String MOVE_VIEWPORT = "move_viewport";
+
private boolean wrappedMode = false;
// start residue of viewport
*/
public void setStartEndRes(int start, int end)
{
+ int[] oldvalues = updateStartEndRes(start, end);
+ int oldstartres = oldvalues[0];
+ int oldendres = oldvalues[1];
+
+ changeSupport.firePropertyChange(STARTRES, oldstartres, startRes);
+ if (oldstartres == startRes)
+ {
+ // event won't be fired if start positions are same
+ // fire an event for the end positions in case they changed
+ changeSupport.firePropertyChange(ENDRES, oldendres, endRes);
+ }
+ }
+
+ /**
+ * Update start and end residue values, adjusting for width constraints if
+ * necessary
+ *
+ * @param start
+ * start residue
+ * @param end
+ * end residue
+ * @return array containing old start and end residue values
+ */
+ private int[] updateStartEndRes(int start, int end)
+ {
int oldstartres = this.startRes;
/*
{
endRes = end;
}
-
- changeSupport.firePropertyChange(STARTRES, oldstartres, startRes);
- if (oldstartres == startRes)
- {
- // event won't be fired if start positions are same
- // fire an event for the end positions in case they changed
- changeSupport.firePropertyChange(ENDRES, oldendres, endRes);
- }
+ return new int[] { oldstartres, oldendres };
}
/**
*/
public void setStartEndSeq(int start, int end)
{
+ int[] oldvalues = updateStartEndSeq(start, end);
+ int oldstartseq = oldvalues[0];
+ int oldendseq = oldvalues[1];
+
+ changeSupport.firePropertyChange(STARTSEQ, oldstartseq, startSeq);
+ if (oldstartseq == startSeq)
+ {
+ // event won't be fired if start positions are the same
+ // fire in case the end positions changed
+ changeSupport.firePropertyChange(ENDSEQ, oldendseq, endSeq);
+ }
+ }
+
+ /**
+ * Update start and end sequence values, adjusting for height constraints if
+ * necessary
+ *
+ * @param start
+ * start sequence
+ * @param end
+ * end sequence
+ * @return array containing old start and end sequence values
+ */
+ private int[] updateStartEndSeq(int start, int end)
+ {
int oldstartseq = this.startSeq;
int visibleHeight = getVisibleAlignmentHeight();
if (start > visibleHeight - 1)
{
endSeq = end;
}
-
- changeSupport.firePropertyChange(STARTSEQ, oldstartseq, startSeq);
- if (oldstartseq == startSeq)
- {
- // event won't be fired if start positions are the same
- // fire in case the end positions changed
- changeSupport.firePropertyChange(ENDSEQ, oldendseq, endSeq);
- }
+ return new int[] { oldstartseq, oldendseq };
}
/**
}
/**
+ * Set start residue and start sequence together (fires single event). The
+ * event supplies a pair of old values and a pair of new values: [old start
+ * residue, old start sequence] and [new start residue, new start sequence]
+ *
+ * @param res
+ * the start residue
+ * @param seq
+ * the start sequence
+ */
+ public void setStartResAndSeq(int res, int seq)
+ {
+ int width = getViewportWidth();
+ int[] oldresvalues = updateStartEndRes(res, res + width - 1);
+
+ int startseq = seq;
+ int height = getViewportHeight();
+ if (startseq + height - 1 > getVisibleAlignmentHeight() - 1)
+ {
+ startseq = getVisibleAlignmentHeight() - height;
+ }
+ int[] oldseqvalues = updateStartEndSeq(startseq, startseq + height - 1);
+
+ int[] old = new int[] { oldresvalues[0], oldseqvalues[0] };
+ int[] newresseq = new int[] { startRes, startSeq };
+ changeSupport.firePropertyChange(STARTRESANDSEQ, old, newresseq);
+ }
+
+ /**
* Get start residue of viewport
*/
public int getStartRes()
* the startRes changed, else false.
*
* @param res
- * residue position to scroll to
+ * residue position to scroll to NB visible position not absolute
+ * alignment position
* @return
*/
public boolean scrollToWrappedVisible(int res)
{
- int oldStartRes = startRes;
- int width = getViewportWidth();
-
- if (res >= oldStartRes && res < oldStartRes + width)
+ int newStartRes = calcWrappedStartResidue(res);
+ if (newStartRes == startRes)
{
return false;
}
+ setStartRes(newStartRes);
+
+ return true;
+ }
+
+ /**
+ * Calculate wrapped start residue from visible start residue
+ *
+ * @param res
+ * visible start residue
+ * @return left column of panel res will be located in
+ */
+ private int calcWrappedStartResidue(int res)
+ {
+ int oldStartRes = startRes;
+ int width = getViewportWidth();
boolean up = res < oldStartRes;
int widthsToScroll = Math.abs((res - oldStartRes) / width);
{
newStartRes = 0;
}
-
- setStartRes(newStartRes);
-
- return true;
+ return newStartRes;
}
/**
* Scroll so that (x,y) is visible. Fires a property change event.
*
* @param x
- * x position in alignment
+ * x position in alignment (absolute position)
* @param y
- * y position in alignment
+ * y position in alignment (absolute position)
*/
public void scrollToVisible(int x, int y)
{
{
scrollUp(false);
}
-
+
HiddenColumns hidden = al.getHiddenColumns();
while (x < hidden.adjustForHiddenColumns(startRes))
{
}
/**
+ * Set the viewport location so that a position is visible
+ *
+ * @param x
+ * column to be visible: absolute position in alignment
+ * @param y
+ * row to be visible: absolute position in alignment
+ */
+ public boolean setViewportLocation(int x, int y)
+ {
+ boolean changedLocation = false;
+
+ // convert the x,y location to visible coordinates
+ int visX = al.getHiddenColumns().findColumnPosition(x);
+ int visY = al.getHiddenSequences().findIndexWithoutHiddenSeqs(y);
+
+ // if (vis_x,vis_y) is already visible don't do anything
+ if (startRes > visX || visX > endRes
+ || startSeq > visY && visY > endSeq)
+ {
+ int[] old = new int[] { startRes, startSeq };
+ int[] newresseq;
+ if (wrappedMode)
+ {
+ int newstartres = calcWrappedStartResidue(visX);
+ setStartRes(newstartres);
+ newresseq = new int[] { startRes, startSeq };
+ }
+ else
+ {
+ // set the viewport x location to contain vis_x
+ int newstartres = visX;
+ int width = getViewportWidth();
+ if (newstartres + width - 1 > getVisibleAlignmentWidth() - 1)
+ {
+ newstartres = getVisibleAlignmentWidth() - width;
+ }
+ updateStartEndRes(newstartres, newstartres + width - 1);
+
+ // set the viewport y location to contain vis_y
+ int newstartseq = visY;
+ int height = getViewportHeight();
+ if (newstartseq + height - 1 > getVisibleAlignmentHeight() - 1)
+ {
+ newstartseq = getVisibleAlignmentHeight() - height;
+ }
+ updateStartEndSeq(newstartseq, newstartseq + height - 1);
+
+ newresseq = new int[] { startRes, startSeq };
+ }
+ changedLocation = true;
+ changeSupport.firePropertyChange(MOVE_VIEWPORT, old, newresseq);
+ }
+ return changedLocation;
+ }
+
+ /**
* Adjust sequence position for page up. Fires a property change event.
*/
public void pageUp()
git://source.jalview.org / jalview.git / commitdiff