//---------------------------------------------------------------------------------------------------------
/// <summary>
/// Бросание модели над коллекцией моделей
/// </summary>
/// <param name="model">Модель</param>
/// <param name="item">Коллекция</param>
/// <param name="args">Аргументы события</param>
/// <returns>Статус обработки события</returns>
//---------------------------------------------------------------------------------------------------------
public Boolean DropModelOverCollectionModel(ICubeXModel model, TreeViewItem item, DragEventArgs args)
{
ICubeXCollectionModel collection_model = item.DataContext as ICubeXCollectionModel;
// Если коллекция поддерживает данную модель
if (collection_model != null && collection_model.IsSupportModel(model as ICubeXModelOwned))
{
// Проверка на поддержку операции добавления
ICubeXCollectionSupportAdd operation_add = item.DataContext as ICubeXCollectionSupportAdd;
if (operation_add != null)
{
if (args.Effects == DragDropEffects.Move)
{
ICubeXModelOwned model_owned = model as ICubeXModelOwned;
SetGroupProperties(model_owned, operation_add.IModels[0] as ICubeXModelOwned);
operation_add.AddExistingModel(model_owned);
}
else
{
if (args.Effects == DragDropEffects.Copy)
{
ICubeXModelOwned model_owned = model.Clone() as ICubeXModelOwned;
SetGroupProperties(model_owned, operation_add.IModels[0] as ICubeXModelOwned);
operation_add.AddExistingModel(model_owned);
}
}
}
return(true);
}
return(false);
}
//---------------------------------------------------------------------------------------------------------
/// <summary>
/// Бросание модели над другой моделью
/// </summary>
/// <param name="model">Модель</param>
/// <param name="item">Модель</param>
/// <param name="args">Аргументы события</param>
/// <returns>Статус обработки события</returns>
//---------------------------------------------------------------------------------------------------------
public Boolean DropModelOverModel(ICubeXModel model, TreeViewItem item, DragEventArgs args)
{
// Элемент находится над моделей
ICubeXModelOwned model_over = item.DataContext as ICubeXModelOwned;
if (model_over != null)
{
// Сначала проверяем возможность вставки в конкретное место
ICubeXCollectionSupportInsert operation_insert = model_over.IOwner as ICubeXCollectionSupportInsert;
if (operation_insert != null && operation_insert.IsSupportModel(model as ICubeXModelOwned))
{
if (args.Effects == DragDropEffects.Move)
{
ICubeXModelOwned model_owned = model as ICubeXModelOwned;
SetGroupProperties(model_owned, model_over);
operation_insert.InsertAfterModel(model_over, model_owned);
}
else
{
if (args.Effects == DragDropEffects.Copy)
{
ICubeXModelOwned model_owned = model.Clone() as ICubeXModelOwned;
SetGroupProperties(model_owned, model_over);
operation_insert.InsertAfterModel(model_over, model_owned);
}
}
}
else
{
// Проверяем возможность простого добавления
ICubeXCollectionSupportAdd operation_add = model_over.IOwner as ICubeXCollectionSupportAdd;
if (operation_add != null && operation_add.IsSupportModel(model as ICubeXModelOwned))
{
if (args.Effects == DragDropEffects.Move)
{
ICubeXModelOwned model_owned = model as ICubeXModelOwned;
SetGroupProperties(model_owned, model_over);
operation_add.AddExistingModel(model_owned);
}
else
{
if (args.Effects == DragDropEffects.Copy)
{
ICubeXModelOwned model_owned = model.Clone() as ICubeXModelOwned;
SetGroupProperties(model_owned, model_over);
operation_add.AddExistingModel(model_owned);
}
}
}
}
}
return(false);
}
