/// <summary>
/// Load each elements from the ItemsSource to the ComboBox
/// </summary>
private void LoadElementsToControl()
{
ListElementsWithAll.Clear();
if (this.ItemsSource.ToList().Count > 0)
{
ListElementsWithAll.Add(new SearchElement(All)); // Add an element to select everything
}
foreach (SearchElement elem in this.ItemsSource)
{
ListElementsWithAll.Add(elem);
}
MultiSelectCombox.ItemsSource = ListElementsWithAll; // Load the list to the ComboBox
}
/// <summary>
/// Automatically select the "All element" according to whether the other elements are selected
/// </summary>
private void VerifyIfAllElementsAreSelected()
{
int _selectedCount = 0;
foreach (SearchElement elem in ListElementsWithAll)
{
if (elem.IsSelected && elem.Name != All)
{
_selectedCount++;
}
}
if (_selectedCount == ListElementsWithAll.Count - 1)
{
ListElementsWithAll.FirstOrDefault(i => i.Name == All).IsSelected = true;
}
else
{
ListElementsWithAll.FirstOrDefault(i => i.Name == All).IsSelected = false;
}
}