private void RowDef_RowExpanding(object sender, RowDef row)
{
foreach (RowDef child in row.Children)
{
child.IsVisible = true;
}
OnPropertyChanged(nameof(Display));
}
private void RowDef_RowCollapsing(object sender, RowDef row)
{
foreach (RowDef child in row.Children)
{
if (row.IsExpanded.HasValue && row.IsExpanded.Value)
{
RowDef_RowCollapsing(this, child);
}
child.IsVisible = false;
}
OnPropertyChanged(nameof(Display));
}
private RowDef InitRow(RowDef parent, IEnumerable <string> values)
{
RowDef row = new RowDef(parent)
{
IsVisible = false,
Cells = new ObservableCollection <string>(values),
};
row.RowCollapsing += RowDef_RowCollapsing;
row.RowExpanding += RowDef_RowExpanding;
return(row);
}
private IEnumerable <RowDef> IterateTree(RowDef parent)
{
if (!parent.IsVisible)
{
yield break;
}
yield return(parent);
foreach (RowDef child in parent.Children)
{
foreach (RowDef r in IterateTree(child))
{
yield return(r);
}
}
}
private int LoadData(IList <RowDef> srce, IEnumerable <XElement> rows, RowDef parent)
{
int count = 0;
foreach (XElement r in rows)
{
var colVals = new List <string>
{
r.Attribute("Val1").Value,
r.Attribute("Val2").Value
};
RowDef row = InitRow(parent, colVals);
srce.Add(row);
++count;
int children = LoadData(row.Children, r.Elements("Row"), row);
if (children > 0)
{
row.IsExpanded = false;
}
}
return(count);
}
public RowDef(RowDef parent)
: this()
{
Parent = parent;
}