protected virtual bool IsLastChildRow(IHierarchicalRow parent, GridViewRowInfo row)
{
ITraverser <GridViewRowInfo> traverser = this.GetTraverser(parent);
traverser.MoveToEnd();
return(traverser.Current == row);
}
protected override bool ProcessDialogKey(Keys keyData)
{
if (keyData == Keys.Tab)
{
var view = this.ListViewElement.ViewElement as DetailListViewElement;
var element = this.ListViewElement;
int columnIndex = element.Columns.IndexOf(element.CurrentColumn);
ITraverser <ListViewDetailColumn> colEnumerator = (ITraverser <ListViewDetailColumn>)view.ColumnScroller.Traverser.GetEnumerator();
colEnumerator.Position = columnIndex;
if (colEnumerator.MoveNext())
{
var isEditing = element.IsEditing;
element.CurrentColumn = colEnumerator.Current;
if (isEditing)
{
element.BeginEdit();
}
return(true);
}
else
{
ListViewTraverser enumerator = view.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
enumerator.Position = element.CurrentItem;
if (enumerator.MoveNext())
{
var isEditing = element.IsEditing;
colEnumerator.Reset();
colEnumerator.MoveNext();
element.CurrentColumn = colEnumerator.Current;
element.CurrentItem = enumerator.Current;
element.SelectedItem = enumerator.Current;
if (isEditing)
{
element.BeginEdit();
}
return(true);
}
}
}
if (keyData == (Keys.Tab | Keys.Shift))
{
var view = this.ListViewElement.ViewElement as DetailListViewElement;
var element = this.ListViewElement;
int columnIndex = element.Columns.IndexOf(element.CurrentColumn);
ITraverser <ListViewDetailColumn> colEnumerator = (ITraverser <ListViewDetailColumn>)view.ColumnScroller.Traverser.GetEnumerator();
colEnumerator.Position = columnIndex;
if (colEnumerator.MovePrevious())
{
var isEditing = element.IsEditing;
element.CurrentColumn = colEnumerator.Current;
if (isEditing)
{
element.BeginEdit();
}
return(true);
}
else
{
ListViewTraverser enumerator = view.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
enumerator.Position = element.CurrentItem;
if (enumerator.MovePrevious())
{
var isEditing = element.IsEditing;
colEnumerator.MoveToEnd();
element.CurrentColumn = colEnumerator.Current;
element.CurrentItem = enumerator.Current;
element.SelectedItem = enumerator.Current;
if (isEditing)
{
element.BeginEdit();
}
return(true);
}
}
}
return(base.ProcessDialogKey(keyData));
}
