public void RefreshItem(ITreeItem item)
{
var path = model.GetPathFromItem(item);
if (path != null && path.Depth > 0 && !object.ReferenceEquals(item, collection.Collection))
{
Gtk.TreeIter iter;
tree.Model.GetIter(out iter, path);
tree.Model.EmitRowChanged(path, iter);
tree.Model.EmitRowHasChildToggled(path, iter);
cancelExpandCollapseEvents = true;
if (item.Expanded)
{
tree.CollapseRow(path);
tree.ExpandRow(path, false);
collection.ExpandItems(item, path);
}
else
{
tree.CollapseRow(path);
}
cancelExpandCollapseEvents = false;
}
else
{
RefreshData();
}
}
public void ReloadItem(ITreeGridItem item, bool reloadChildren)
{
var tree = Tree;
var path = model.GetPathFromItem(item);
if (path != null && path.Depth > 0 && !ReferenceEquals(item, collection.Collection))
{
suppressExpandCollapseEvents++;
var wasExpanded = tree.GetRowExpanded(path);
Gtk.TreeIter iter;
tree.Model.GetIter(out iter, path);
if (item.Expandable)
{
tree.Model.EmitRowChanged(path, iter);
if (reloadChildren || item.Expanded != wasExpanded)
{
tree.Model.EmitRowHasChildToggled(path, iter);
tree.CollapseRow(path);
if (item.Expanded)
{
tree.ExpandRow(path, false);
collection.ExpandItems((ITreeGridStore <ITreeGridItem>)item, path);
}
}
}
else if (wasExpanded)
{
// it was expanded (and had children), but now it won't be.
// Gtk requires that we know at this time how many children we have to remove, but instead let's
// just delete this node and re-add it.
// EmitRowHasChildToggled should have done this IMO, but I guess it does not.
tree.Model.EmitRowDeleted(path);
tree.Model.EmitRowInserted(path, iter);
}
else
{
tree.Model.EmitRowChanged(path, iter);
}
suppressExpandCollapseEvents--;
}
else
{
ReloadData();
}
}