*/
public class ViewportRanges extends ViewportProperties
{
+ public static final String STARTRES = "startres";
+
+ public static final String ENDRES = "endres";
+
+ public static final String STARTSEQ = "startseq";
+
+ public static final String ENDSEQ = "endseq";
+
+ private boolean wrappedMode = false;
+
// start residue of viewport
private int startRes;
public void setStartEndRes(int start, int end)
{
int oldstartres = this.startRes;
- if (start > getVisibleAlignmentWidth() - 1)
+
+ /*
+ * if not wrapped, don't leave white space at the right margin
+ */
+ if (!wrappedMode && (start > getVisibleAlignmentWidth() - 1))
{
startRes = Math.max(getVisibleAlignmentWidth() - 1, 0);
}
{
endRes = 0;
}
- else if (end > getVisibleAlignmentWidth() - 1)
+ else if (!wrappedMode && (end > getVisibleAlignmentWidth() - 1))
{
endRes = Math.max(getVisibleAlignmentWidth() - 1, 0);
}
endRes = end;
}
- changeSupport.firePropertyChange("startres", oldstartres, startRes);
+ 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);
+ changeSupport.firePropertyChange(ENDRES, oldendres, endRes);
}
}
{
int startres = res;
int width = getViewportWidth();
- if (startres + width - 1 > getVisibleAlignmentWidth() - 1)
+
+ /*
+ * if not wrapped, don't leave white space at the right margin
+ */
+ if (!wrappedMode)
{
- startres = getVisibleAlignmentWidth() - width;
+ if (startres + width - 1 > getVisibleAlignmentWidth() - 1)
+ {
+ startres = getVisibleAlignmentWidth() - width;
+ }
}
setStartEndRes(startres - width + 1, startres);
}
endSeq = end;
}
- changeSupport.firePropertyChange("startseq", oldstartseq, startSeq);
+ 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);
+ changeSupport.firePropertyChange(ENDSEQ, oldendseq, endSeq);
}
}
{
vpstart = 0;
}
- else if ((w <= getVisibleAlignmentWidth())
- && (vpstart + w - 1 > getVisibleAlignmentWidth() - 1))
- // viewport width is less than the full alignment and we are running off the
- // RHS edge
+
+ /*
+ * if not wrapped, don't leave white space at the right margin
+ */
+ if (!wrappedMode)
{
- vpstart = getVisibleAlignmentWidth() - w;
+ if ((w <= getVisibleAlignmentWidth())
+ && (vpstart + w - 1 > getVisibleAlignmentWidth() - 1))
+ {
+ vpstart = getVisibleAlignmentWidth() - w;
+ }
+
}
setStartEndRes(vpstart, vpstart + w - 1);
}
*/
public void pageUp()
{
- setViewportStartAndHeight(2 * startSeq - endSeq, getViewportHeight());
+ if (wrappedMode)
+ {
+ setStartRes(getStartRes() - getViewportWidth());
+ }
+ else
+ {
+ setViewportStartAndHeight(startSeq - (endSeq - startSeq),
+ getViewportHeight());
+ }
}
/**
*/
public void pageDown()
{
- setViewportStartAndHeight(endSeq, getViewportHeight());
+ if (wrappedMode)
+ {
+ /*
+ * if height is more than width (i.e. not all sequences fit on screen),
+ * increase page down to height
+ */
+ int newStart = getStartRes()
+ + Math.max(getViewportHeight(), getViewportWidth());
+
+ /*
+ * don't page down beyond end of alignment, or if not all
+ * sequences fit in the visible height
+ */
+ if (newStart < getVisibleAlignmentWidth())
+ {
+ setStartRes(newStart);
+ }
+ }
+ else
+ {
+ setViewportStartAndHeight(endSeq, getViewportHeight());
+ }
+ }
+
+ public void setWrappedMode(boolean wrapped)
+ {
+ wrappedMode = wrapped;
}
}