private void SortElements()
{
if (_sortOrder == SortOrder.Descending && ListViewItemViewModels != null)
{
IEnumerable <ListViewItemViewModel> orderedItems = ListViewItemViewModels.OrderByDescending(t => t.Text);
ListViewItemViewModels = orderedItems.ToList();
}
else if (_sortOrder == SortOrder.Ascending && ListViewItemViewModels != null)
{
IEnumerable <ListViewItemViewModel> orderedItems = ListViewItemViewModels.OrderBy(t => t.Text);
ListViewItemViewModels = orderedItems.ToList();
}
}
/// <summary>
/// Adds a new element to the combo
/// </summary>
/// <param name="item">item to add</param>
/// <param name="index">position to adding</param>
public int AddItem(object item, int index = -1)
{
var newItem = CreateItem(item);
if (index == -1 || index == ListViewItemViewModels.Count)
{
ListViewItemViewModels.Add(newItem);
SortElements();
ListViewItemViewModels_CollectionChanged();
if (newItem.Selected)
{
SelectedIndices.Add(newItem.Index);
}
if (newItem.Checked)
{
CheckedIndices.Add(newItem.Index);
}
return(newItem.Index);
}
ListViewItemViewModels.Insert(index, newItem);
SortElements();
return(index);
}
/// <summary>
/// Removes an element from the ListView
/// </summary>
/// <param name="itemIndex"></param>
public void RemoveItem(int itemIndex)
{
ListViewItemViewModels.RemoveAt(itemIndex);
ListViewItemViewModels_CollectionChanged();
}
