private void AutoMergeListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (SelectedItemsList != null)
{
foreach (var removedItem in e.RemovedItems.Cast <ChangesetViewModel>())
{
SelectedItemsList.Remove(removedItem);
}
foreach (var addItem in e.AddedItems.Cast <ChangesetViewModel>())
{
SelectedItemsList.Add(addItem);
}
}
}
private void TextBox_KeyUp(object sender, KeyEventArgs e)
{
PrevIndex = Index;
switch (e.Key)
{
case Key.Up:
DecreaseIndex();
ChangeColorSelectedItem();
ChangeColorPreviousSelectedItem();
var tb = FindFirstTextBlock();
if (tb != null)
{
if (tb.Value.Y < 0)
{
scollViewer.ScrollToVerticalOffset(scollViewer.VerticalOffset - subjectElementHeight);
}
}
break;
case Key.Down:
IncreaseIndex();
ChangeColorSelectedItem();
ChangeColorPreviousSelectedItem();
if (scollViewer.ActualHeight < Index * subjectElementHeight)
{
scollViewer.ScrollToVerticalOffset(scollViewer.VerticalOffset + subjectElementHeight);
}
break;
case Key.Enter:
if (Index < 0)
{
break;
}
if (Index >= Results.Count)
{
break;
}
AddSelectedItem(Results[Index]);
DecreaseIndex();
var para = textBox.GetFirstParagraph();
if (para != null)
{
List <Run> targets = new List <Run>();
foreach (var item in para.Inlines)
{
if (item is Run run)
{
targets.Add(run);
}
}
foreach (var item in targets)
{
para.Inlines.Remove(item);
}
}
InitIndex();
e.Handled = true;
break;
case Key.Delete:
case Key.Back:
var currentButtons = textBox.GetButtons();
List <Button> exceptedButtons = new List <Button>();
foreach (var button in lastButtons)
{
if (!currentButtons.Exists(x => x.DataContext == button.DataContext))
{
exceptedButtons.Add(button);
}
}
List <object> removeTargets = new List <object>();
if (SelectedItemsList != null)
{
foreach (var item in SelectedItemsList)
{
if (exceptedButtons.Exists(x => x.DataContext == item))
{
removeTargets.Add(item);
}
}
}
foreach (var item in removeTargets)
{
SelectedItemsList.Remove(item);
User user = item as User;
user.IsBlink = false;
Results.Add(user);
}
OnPropertyChanged(nameof(Results));
break;
default:
var text = textBox.GetText();
if (string.IsNullOrWhiteSpace(Regex.Replace(text, " ", "")))
{
CollapsePopup();
}
else
{
SearchProcess(text);
}
break;
}
e.Handled = true;
}
