private static void ListViewSelectionChanged(object sender, SelectionChangedEventArgs e)
{
SelectionChanged(sender, SelectedItemObserver.GetSelectedItem(sender));
}
private static void PreviewMouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
if (e.ClickCount > 1)
{
// If we get 2+ clicks, just ignore everything. In practice, this hasn't been hit.
return;
}
var control = sender as ItemsControl;
var captured = System.Windows.Input.Mouse.Captured as UIElement;
bool isEditing = GetIsEditing(control);
var inPlaceEditor = isEditing ? GetInPlaceEditor(control) : null;
var hitElement = control.InputHitTest(e.GetPosition(control)) as UIElement;
var adorner = (hitElement != null) ? hitElement.GetParent <System.Windows.Documents.Adorner>() : null;
if (((captured != null) && (control != null) && !ReferenceEquals(captured, control)) || ((adorner != null) && (adorner == inPlaceEditor)))
{
return;
}
var clickedElement = e.OriginalSource as FrameworkElement;
var listView = clickedElement as ListView;
if (listView != null)
{
clickedElement = listView.InputHitTest(e.GetPosition(listView)) as FrameworkElement;
}
bool clickedElementIsInPlaceEditor = (inPlaceEditor != null) && (clickedElement.GetParent <FrameworkElement>((v) => v is IInPlaceEditor) == inPlaceEditor);
bool commit = false;
bool checkClickTime = true;
Control clickedItem = clickedElement.GetParent <TreeViewItem>();
if (clickedItem == null)
{
clickedItem = clickedElement.GetParent <ListViewItem>();
}
if (clickedItem == null && !clickedElementIsInPlaceEditor)
{
// Did not click on an item. Commit any in-progress edit, otherwise cancel.
commit = isEditing && (inPlaceEditor != null);
checkClickTime = false;
}
var lastSelectedItem = GetLastSelectedItem(control);
if (checkClickTime && ((lastSelectedItem == null) || (lastSelectedItem != SelectedItemObserver.GetSelectedItem(control))))
{
// Clicked on a different item. Commit the current edit if applicable.
commit = isEditing && (inPlaceEditor != null);
checkClickTime = false;
SetLastSelectedItem(control, null);
}
var lastClickedElement = GetLastClickedElement(control);
if (checkClickTime && !clickedElementIsInPlaceEditor && ((lastClickedElement == null) || (lastClickedElement != clickedElement)))
{
SetLastClickedElement(control, clickedElement);
SetLastSelectedTimestamp(control, e.Timestamp);
checkClickTime = false;
}
if (checkClickTime)
{
var lastSelectedTime = GetLastSelectedTimestamp(control);
var interval = Math.Abs(e.Timestamp - lastSelectedTime);
const int MinInterval = 400;
const int MaxInterval = 1200;
if (interval >= MinInterval && interval <= MaxInterval)
{
SetIsEditing(control, true);
}
else if (interval <= System.Windows.Forms.SystemInformation.DoubleClickTime)
{
SetLastSelectedTimestamp(control, 0); // ignore double+ clicks -- force restart of the check
}
else if (interval > MaxInterval)
{
SetLastSelectedTimestamp(control, e.Timestamp);
}
}
else if (commit)
{
inPlaceEditor.CommitEdit();
}
}
private static void TreeViewSelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
SelectionChanged(sender, SelectedItemObserver.GetSelectedItem(sender));
}
