private void DownClick(object sender, RoutedEventArgs e)
{
FrameworkElement ele = sender as FrameworkElement;
if (ele == null)
{
return;
}
var alp = (AlphabetItem)ele.DataContext;
var index = Alphabets.IndexOf(alp);
AlphabetItem tmp = null;
if (ActiveAlphabet == alp)
{
tmp = alp;
}
index--;
if (index > -1)
{
Alphabets.Remove(alp);
Alphabets.Insert(index, alp);
if (tmp != null)
{
ActiveAlphabet = alp;
}
}
AlphabetCollectionView.Refresh();
}
private void AddItemClick(object sender, RoutedEventArgs e)
{
var item = new AlphabetItem();
addItem(item);
SelectedAlphabet = item;
}
private static void OnActiveAlphabetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
AlphabetPresentation b = (AlphabetPresentation)d;
AlphabetItem newItem = (AlphabetItem)e.NewValue;
AlphabetItem oldItem = (AlphabetItem)e.OldValue;
if (newItem != null)
{
newItem.IsSelected = true;
}
if (oldItem != null)
{
oldItem.IsSelected = false;
}
}
public void SetAlphabetItems(List <AlphabetItemData> data)
{
if (Alphabets != null)
{
var x = Alphabets.Count - 1;
for (int i = x; i >= 0; --i)
{
var item = Alphabets[i];
item.PropertyChanged -= new PropertyChangedEventHandler(item_PropertyChanged);
}
}
Alphabets.Clear();
foreach (var item in data)
{
var tmp = new AlphabetItem(item);
addItem(tmp);
if (tmp.IsSelected == true)
{
ActiveAlphabet = tmp;
}
}
}
public AlphabetItem(AlphabetItem item)
{
this.Data = item.Data;
}
private void removeItem(AlphabetItem item)
{
item.PropertyChanged -= new PropertyChangedEventHandler(item_PropertyChanged);
Alphabets.Remove(item);
saveToSettings();
}
private void addItem(AlphabetItem item)
{
item.PropertyChanged += new PropertyChangedEventHandler(item_PropertyChanged);
Alphabets.Add(item);
saveToSettings();
}