public void InitializeItems(ITreeGridStore <ITreeGridItem> store)
{
ClearCache();
if (sections != null)
{
sections.Clear();
}
Store = store;
if (Store != null)
{
for (int row = 0; row < Store.Count; row++)
{
var item = Store[row];
if (item.Expanded)
{
var children = (ITreeGridStore <ITreeGridItem>)item;
var section = new TreeController {
StartRow = row, Handler = Handler, parent = this
};
section.InitializeItems(children);
Sections.Add(section);
}
}
}
ResetCollection();
}
static IEnumerable <ITreeGridItem> GetParents(ITreeGridItem value)
{
ITreeGridItem parent = value.Parent;
while (parent != null)
{
yield return(parent);
parent = parent.Parent;
}
}
ITreeGridStore <ITreeGridItem> ExpandRowInternal(int row)
{
ITreeGridStore <ITreeGridItem> children = null;
if (sections == null || sections.Count == 0)
{
children = (ITreeGridStore <ITreeGridItem>)Store [row];
var childController = new TreeController {
StartRow = row, Store = children, Handler = this.Handler, parent = this
};
Sections.Add(childController);
}
else
{
bool addTop = true;
foreach (var section in sections)
{
if (row <= section.StartRow)
{
break;
}
else if (row <= section.StartRow + section.Count)
{
children = section.ExpandRowInternal(row - section.StartRow - 1);
addTop = false;
break;
}
else
{
row -= section.Count;
}
}
if (addTop && row < Store.Count)
{
children = (ITreeGridStore <ITreeGridItem>)Store [row];
var childController = new TreeController {
StartRow = row, Store = children, Handler = this.Handler, parent = this
};
Sections.Add(childController);
}
}
Sections.Sort((x, y) => x.StartRow.CompareTo(y.StartRow));
if (children != null)
{
ClearCache();
ResetCollection();
}
return(children);
}
