public Selection(@NotNull VcsLogGraphTable table) {
myTable = table;
List<Integer> selectedRows = ContainerUtil.sorted(toList(myTable.getSelectedRows()));
Couple<Integer> visibleRows = ScrollingUtil.getVisibleRows(myTable);
myScrollToTop = visibleRows.first - 1 == 0;
VisibleGraph<Integer> graph = myTable.getVisibleGraph();
mySelectedCommits = new TIntHashSet();
Integer visibleSelectedCommit = null;
Integer delta = null;
for (int row : selectedRows) {
if (row < graph.getVisibleCommitCount()) {
Integer commit = graph.getRowInfo(row).getCommit();
mySelectedCommits.add(commit);
if (visibleRows.first - 1 <= row
&& row <= visibleRows.second
&& visibleSelectedCommit == null) {
visibleSelectedCommit = commit;
delta = myTable.getCellRect(row, 0, false).y - myTable.getVisibleRect().y;
}
}
}
if (visibleSelectedCommit == null && visibleRows.first - 1 >= 0) {
visibleSelectedCommit = graph.getRowInfo(visibleRows.first - 1).getCommit();
delta = myTable.getCellRect(visibleRows.first - 1, 0, false).y - myTable.getVisibleRect().y;
}
myVisibleSelectedCommit = visibleSelectedCommit;
myDelta = delta;
}
private void scrollToRow(Integer row, Integer delta) {
Rectangle startRect = myTable.getCellRect(row, 0, true);
myTable.scrollRectToVisible(
new Rectangle(
startRect.x,
Math.max(startRect.y - delta, 0),
startRect.width,
myTable.getVisibleRect().height));
}