return seqPanel.seqCanvas.getSequenceRenderer();
}
+ public boolean scrollTo(int ostart, int end, int seqIndex,
+ boolean scrollToNearest, boolean redrawOverview)
+ {
+ int startv, endv, starts, ends;// , width;
+
+ int start = -1;
+ if (av.hasHiddenColumns())
+ {
+ AlignmentI al = av.getAlignment();
+ start = al.getHiddenColumns().absoluteToVisibleColumn(ostart);
+ end = al.getHiddenColumns().absoluteToVisibleColumn(end);
+ if (start == end)
+ {
+ if (!scrollToNearest && !al.getHiddenColumns().isVisible(ostart))
+ {
+ // don't scroll - position isn't visible
+ return false;
+ }
+ }
+ }
+ else
+ {
+ start = ostart;
+ }
+
+ ViewportRanges ranges = av.getRanges();
+ if (!av.getWrapAlignment())
+ {
+ /*
+ * int spos=av.getStartRes(),sqpos=av.getStartSeq(); if ((startv =
+ * av.getStartRes()) >= start) { spos=start-1; // seqIn //
+ * setScrollValues(start - 1, seqIndex); } else if ((endv =
+ * av.getEndRes()) <= end) { // setScrollValues(spos=startv + 1 + end -
+ * endv, seqIndex); spos=startv + 1 + end - endv; } else if ((starts =
+ * av.getStartSeq()) > seqIndex) { setScrollValues(av.getStartRes(),
+ * seqIndex); } else if ((ends = av.getEndSeq()) <= seqIndex) {
+ * setScrollValues(av.getStartRes(), starts + seqIndex - ends + 1); }
+ */
+
+ // below is scrolling logic up to Jalview 2.8.2
+ // if ((av.getStartRes() > end)
+ // || (av.getEndRes() < start)
+ // || ((av.getStartSeq() > seqIndex) || (av.getEndSeq() < seqIndex)))
+ // {
+ // if (start > av.getAlignment().getWidth() - hextent)
+ // {
+ // start = av.getAlignment().getWidth() - hextent;
+ // if (start < 0)
+ // {
+ // start = 0;
+ // }
+ //
+ // }
+ // if (seqIndex > av.getAlignment().getHeight() - vextent)
+ // {
+ // seqIndex = av.getAlignment().getHeight() - vextent;
+ // if (seqIndex < 0)
+ // {
+ // seqIndex = 0;
+ // }
+ // }
+ // setScrollValues(start, seqIndex);
+ // }
+ // logic copied from jalview.gui.AlignmentPanel:
+ if ((startv = ranges.getStartRes()) >= start)
+ {
+ /*
+ * Scroll left to make start of search results visible
+ */
+ setScrollValues(start - 1, seqIndex);
+ }
+ else if ((endv = ranges.getEndRes()) <= end)
+ {
+ /*
+ * Scroll right to make end of search results visible
+ */
+ setScrollValues(startv + 1 + end - endv, seqIndex);
+ }
+ else if ((starts = ranges.getStartSeq()) > seqIndex)
+ {
+ /*
+ * Scroll up to make start of search results visible
+ */
+ setScrollValues(ranges.getStartRes(), seqIndex);
+ }
+ else if ((ends = ranges.getEndSeq()) <= seqIndex)
+ {
+ /*
+ * Scroll down to make end of search results visible
+ */
+ setScrollValues(ranges.getStartRes(), starts + seqIndex - ends + 1);
+ }
+ /*
+ * Else results are already visible - no need to scroll
+ */
+ }
+ else
+ {
+ ranges.scrollToWrappedVisible(start);
+ }
+
+ paintAlignment(redrawOverview, false);
+ return true;
+ }
+
}