private void UpdateCheckBoxes()
{
if (!_isLoaded || _cleaningExtraItems || TargetCollection == null)
{
return;
}
try
{
_cleaningExtraItems = true;
foreach (object obj in this.sourceListBox.Items)
{
ListBoxItem container = this.sourceListBox.ItemContainerGenerator.ContainerFromItem(obj) as ListBoxItem;
if (container != null)
{
IList <DependencyObject> list = new List <DependencyObject>();
VTreeHelper.GetChildrenOfType(container, typeof(CheckBox), ref list);
if (list.Count > 0)
{
((CheckBox)list[0]).IsChecked = TargetCollectionEdited.Contains(obj);
}
}
}
}
finally
{
_cleaningExtraItems = false;
}
}
private void okButton_Click(object sender, RoutedEventArgs e)
{
for (int i = SourceCollection.Count - 1; i >= 0; i--)
{
object o = SourceCollection[i];
if (!SourceCollectionEdited.Contains(o))
{
SourceCollection.RemoveAt(i);
}
}
foreach (object o in SourceCollectionEdited)
{
if (!SourceCollection.Contains(o))
{
SourceCollection.Add(o);
}
}
for (int i = TargetCollection.Count - 1; i >= 0; i--)
{
object o = TargetCollection[i];
if (!TargetCollectionEdited.Contains(o))
{
TargetCollection.RemoveAt(i);
}
}
foreach (object o in TargetCollectionEdited)
{
if (!TargetCollection.Contains(o))
{
TargetCollection.Add(o);
}
}
cancelButton_Click(sender, e);
}
private void deleteButton_Click(object sender, RoutedEventArgs e)
{
object o = sourceListBox.SelectedItem;
if (o != null)
{
SourceCollectionEdited.Remove(o);
TargetCollectionEdited.Remove(o);
}
UpdateCheckBoxes();
UpdateSelectedValues();
}
private void AddItemToTargetCollection(object item)
{
if (item != null)
{
if (!AllowMultipleSelection)
{
TargetCollectionEdited.Clear();
}
if (!TargetCollectionEdited.Contains(item))
{
TargetCollectionEdited.Add(item);
}
}
}
private void resetButton_Click(object sender, RoutedEventArgs e)
{
CategoryCollection coll = SourceCollectionEdited as CategoryCollection;
if (coll != null)
{
coll.LoadDefaults();
for (int i = TargetCollectionEdited.Count - 1; i >= 0; i--)
{
Category category = TargetCollectionEdited[i] as Category;
if (!coll.Contains(category))
{
TargetCollectionEdited.RemoveAt(i);
}
}
}
UpdateCheckBoxes();
UpdateSelectedValues();
}
private void AddOrRemoveItem(bool add, object item)
{
if (!_isLoaded || _cleaningExtraItems || TargetCollection == null)
{
return;
}
if (item == null)
{
return;
}
if (add)
{
AddItemToTargetCollection(item);
}
else
{
TargetCollectionEdited.Remove(item);
}
UpdateCheckBoxes();
UpdateSelectedValues();
}
private void UpdateSelectedValues()
{
selectedValues.Text = TargetCollectionEdited.ToString();
}
