///--------------------------------------------------------------------------------
/// <summary>This method executes the delete item command.</summary>
///
/// <param name="sender">Sender of the event.</param>
/// <param name="e">Event arguments.</param>
///--------------------------------------------------------------------------------
protected void DeleteExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (DataContext is IWorkspaceViewModel)
{
if (MessageBox.Show(DisplayValues.Message_DeleteItemConfirmation, DisplayValues.Message_DeleteItemConfirmationCaption, MessageBoxButton.OKCancel) == MessageBoxResult.OK)
{
PropertyCollectionItemViewModel context = DataContext as PropertyCollectionItemViewModel;
if (context != null)
{
if (context.IsObjectInstanceListVisible == true && ObjectInstanceListItemsGrid.SelectedItem is PropertyInstanceViewModel)
{
context.AddToDeletedPropertyInstances(ObjectInstanceListItemsGrid.SelectedItem as PropertyInstanceViewModel);
}
else if (context.IsValueListVisible == true && ValueListItemsGrid.SelectedItem is PropertyInstanceViewModel)
{
context.AddToDeletedPropertyInstances(ValueListItemsGrid.SelectedItem as PropertyInstanceViewModel);
}
else if (context.IsValueVisible == true && ValueItemsGrid.SelectedItem is PropertyInstanceViewModel)
{
context.AddToDeletedPropertyInstances(ValueItemsGrid.SelectedItem as PropertyInstanceViewModel);
}
}
}
}
}
///--------------------------------------------------------------------------------
/// <summary>This method determines if the delete command can execute.</summary>
///
/// <param name="sender">Sender of the event.</param>
/// <param name="e">Event arguments.</param>
///--------------------------------------------------------------------------------
protected void PreviewDeleteCanExecute(object sender, CanExecuteRoutedEventArgs e)
{
e.CanExecute = false;
PropertyCollectionItemViewModel context = DataContext as PropertyCollectionItemViewModel;
if (context != null)
{
if (context.IsObjectInstanceListVisible == true)
{
e.CanExecute = ObjectInstanceListItemsGrid.SelectedItem != null;
}
else if (context.IsValueListVisible == true)
{
e.CanExecute = ValueListItemsGrid.SelectedItem != null;
}
else if (context.IsValueVisible == true)
{
e.CanExecute = ValueItemsGrid.SelectedItem != null;
}
}
e.Handled = true;
}
