public GridSpanList GetNonOverlappedSpans(bool reversed = false)
{
var result = new GridSpanList();
if (Count == 0) {
return result;
}
IEnumerable<GridSpan> gridEnumerable =
reversed ?
this.OrderByDescending(s => s.B) :
this.OrderBy(s => s.A);
foreach (var span in gridEnumerable) {
bool isOverlapping = false;
int last = result.Count - 1;
if (last >= 0) {
isOverlapping =
reversed ?
span.B >= result[last].A :
result[last].B >= span.A;
};
if (result.Count > 0 && isOverlapping) {
result[last] = new GridSpan {
A = reversed ? Math.Min(result[last].A, span.A) : result[last].A,
B = reversed ? result[last].B : Math.Max(result[last].B, span.B)
};
} else {
result.Add(span);
}
}
return result;
}
public GridSpanList GetNonOverlappedSpans()
{
if (Count == 0)
{
return(this);
}
var result = new GridSpanList();
var hSpans = new SortedSet <int>();
foreach (var r in this)
{
hSpans.Add(r.A);
hSpans.Add(r.B);
}
int?prevCol = null;
foreach (int col in hSpans)
{
if (prevCol.HasValue)
{
var cell = (col + prevCol.Value) / 2;
if (IsCellSelected(cell))
{
result.Add(new GridSpan(prevCol.Value, col, true));
}
}
prevCol = col;
}
return(result);
}
public void DeselectGridSpan(GridSpan span)
{
if (span.B - span.A != 1) {
throw new NotSupportedException("Deselection of areas, longer than 1, is not supported");
}
var result = new GridSpanList();
foreach (var s in this) {
if (s.B < span.A || s.A >= span.B) {
result.Add(s);
continue;
}
if (s.A <= span.A) {
result.Add(s.A, span.A);
}
if (s.B >= span.B) {
result.Add(span.B, s.B);
}
}
Clear();
AddRange(result);
}
public GridSpanListComponent(GridSpanList spans) { Spans = spans; }
public GridSpanListComponent() { Spans = new GridSpanList(); }