private void ListBox_Drop <TItem>(Object sender, DragEventArgs e) where TItem : DragableListModelBase
{
ListBox listbox = (ListBox)sender;
Point pos = e.GetPosition(listbox);
HitTestResult result = VisualTreeHelper.HitTest(listbox, pos);
if (result == null)
{
return;
}
//查詢目標資料
var listBoxItem = FindVisualParent <ListBoxItem>(result.VisualHit);
if (listBoxItem == null)
{
return;
}
//查詢後設資料
object target = listBoxItem.Content;
DragableListModelBase source = null;
if (Type.GetType(e.Data.GetFormats()[0]).BaseType == typeof(DragableListModelBase))
{
source = e.Data.GetData(e.Data.GetFormats()[0]) as DragableListModelBase;
}
else
{
return;
}
ListBoxViewModel <TItem> viewModel = (ListBoxViewModel <TItem>)listbox.DataContext;
if (source.GetType() == target.GetType())
{
viewModel.LastSelectModel?.ClearIndicator();
MoveItem <ObservableCollection <TItem>, TItem>(viewModel.ModelCollection, source, target);
}
//command move to other tab
else if (source.GetType() == typeof(StrItemModel) && target.GetType() == typeof(TabItemModel))
{
if (tabListBoxViewModel.LastSelectModel != null)
{
tabListBoxViewModel.LastSelectModel.MoveInIndicator = false;
}
List <StrItemModel> moveCommandsList = new List <StrItemModel>();
moveCommandsList.Add((StrItemModel)ListBox_Str.SelectedItem);
MoveItemToTab((TabItemModel)ListBox_Tab.SelectedItem, (TabItemModel)target, moveCommandsList);
TabItemModel selectedItem = (TabItemModel)this.ListBox_Tab.SelectedItem;
if (selectedItem != null)
{
TabStrRefresh(selectedItem.Data.StrList);
//selectedItem.Checked = true;
}
}
//tab move to other string (x)
else
{
}
}
//FIXME: When command drag to tab and drag back,tab indicator not recovered;
private void ListBox_DragOver <TItem>(object sender, DragEventArgs e) where TItem : DragableListModelBase
{
ListBox listbox = (ListBox)sender;
ListBoxViewModel <TItem> viewModel = (ListBoxViewModel <TItem>)listbox.DataContext;
Point pos = e.GetPosition(listbox);
if (listbox.ActualHeight - pos.Y <= autoScrollThreshold)
{
//下捲
Border border = (Border)VisualTreeHelper.GetChild(listbox, 0);
ScrollViewer scrollViewer = (ScrollViewer)VisualTreeHelper.GetChild(border, 0);
scrollViewer.ScrollToVerticalOffset(scrollViewer.VerticalOffset + 1);
}
else if (pos.Y <= autoScrollThreshold)
{
//上捲
Border border = (Border)VisualTreeHelper.GetChild(listbox, 0);
ScrollViewer scrollViewer = (ScrollViewer)VisualTreeHelper.GetChild(border, 0);
scrollViewer.ScrollToVerticalOffset(scrollViewer.VerticalOffset - 1);
}
HitTestResult result = VisualTreeHelper.HitTest(listbox, pos);
ListBoxItem listBoxItem;
if (result != null)
{
listBoxItem = FindVisualParent <ListBoxItem>(result.VisualHit);
}
else
{
Console.WriteLine("Clear Indi");
viewModel.LastSelectModel?.ClearIndicator();
viewModel.LastSelectModel = null;
return;
}
if (listBoxItem == null)
{
Console.WriteLine("Clear Indi2");
viewModel.LastSelectModel?.ClearIndicator();
//viewModel.LastSelectModel = null;
return;
}
TItem target = (TItem)listBoxItem.Content;
DragableListModelBase source; // = e.Data.GetData(typeof(TItem)) as TItem
if (Type.GetType(e.Data.GetFormats()[0]).BaseType == typeof(DragableListModelBase))
{
source = e.Data.GetData(e.Data.GetFormats()[0]) as DragableListModelBase;
}
else
{
return;
}
if (target == source)
{
viewModel.LastSelectModel?.ClearIndicator();
viewModel.LastSelectModel = null;
if (source.GetType() == typeof(StrItemModel))
{
if (tabListBoxViewModel.LastSelectModel != null)
{
tabListBoxViewModel.LastSelectModel.MoveInIndicator = false;
}
}
return;
}
else
{
if (source.GetType() == target.GetType())
{
if (target != viewModel.LastSelectModel)
{
viewModel.LastSelectModel?.ClearIndicator();
if (source.GetType() == typeof(StrItemModel))
{
Console.WriteLine("trig");
TabItemModel lastModel = tabListBoxViewModel.LastSelectModel;
Console.WriteLine(lastModel);
if (lastModel != null)
{
lastModel.MoveInIndicator = false;
}
}
}
viewModel.LastSelectModel = target;
int targetIndex = viewModel.ModelCollection.IndexOf(target);
int sourceIndex = viewModel.ModelCollection.IndexOf((TItem)source);
if (targetIndex > sourceIndex)
{
target.DragIndicatorDown = true;
}
else
{
target.DragIndicatorUp = true;
}
//if (source.GetType() == typeof(StrItemModel))
//{
// if (tabListBoxViewModel.LastSelectModel != null)
// {
// tabListBoxViewModel.LastSelectModel.MoveInIndicator = false;
// }
//}
}
//command move to other tab
else if (source.GetType() == typeof(StrItemModel) && target.GetType() == typeof(TabItemModel))
{
strListBoxViewModel.LastSelectModel?.ClearIndicator();
strListBoxViewModel.LastSelectModel = (StrItemModel)source;
if (tabListBoxViewModel.LastSelectModel != null)
{
tabListBoxViewModel.LastSelectModel.MoveInIndicator = false;
}
tabListBoxViewModel.LastSelectModel = (TabItemModel)(DragableListModelBase)target;
Console.WriteLine("Move to other tab" + tabListBoxViewModel.LastSelectModel.Data.Name);
tabListBoxViewModel.LastSelectModel.MoveInIndicator = true;
}
//tab move to other string (x)
else
{
Console.WriteLine("X");
tabListBoxViewModel.LastSelectModel?.ClearIndicator();
tabListBoxViewModel.LastSelectModel = (TabItemModel)source;
e.Effects = DragDropEffects.None;
}
}
}