///--------------------------------------------------------------------------------
/// <summary>This method determines if the delete command can execute.</summary>
///
/// <param name="sender">The event sender.</param>
/// <param name="e">The event arguments.</param>
///--------------------------------------------------------------------------------
private void PreviewDeleteCanExecute(object sender, CanExecuteRoutedEventArgs e)
{
IndexesViewModel items = DataContext as IndexesViewModel;
if (items != null)
{
foreach (IndexViewModel item in items.Indexes)
{
if (item.IsSelected == true)
{
e.CanExecute = true;
return;
}
}
}
e.CanExecute = false;
e.Handled = true;
}
///--------------------------------------------------------------------------------
/// <summary>This method handles the execution of the delete command.</summary>
///
/// <param name="sender">The event sender.</param>
/// <param name="e">The event arguments.</param>
///--------------------------------------------------------------------------------
private void DeleteExecuted(object sender, ExecutedRoutedEventArgs e)
{
IndexesViewModel items = DataContext as IndexesViewModel;
if (items != null)
{
foreach (IndexViewModel item in items.Indexes)
{
if (item.IsSelected == true)
{
if (MessageBox.Show(DisplayValues.Message_DeleteItemConfirmation, DisplayValues.Message_DeleteItemConfirmationCaption, MessageBoxButton.OKCancel) == MessageBoxResult.OK)
{
items.DeleteIndex(item);
}
return;
}
}
}
}
///--------------------------------------------------------------------------------
/// <summary>This method handles the execution of the new command.</summary>
///
/// <param name="sender">The event sender.</param>
/// <param name="e">The event arguments.</param>
///--------------------------------------------------------------------------------
private void NewExecuted(object sender, ExecutedRoutedEventArgs e)
{
Point currentPosition = MouseUtilities.GetMousePosition(this);
IndexesViewModel items = DataContext as IndexesViewModel;
EntityDiagramControl diagram = VisualItemHelper.VisualUpwardSearch <EntityDiagramControl>(this) as EntityDiagramControl;
DiagramEntityViewModel diagramEntityView = diagram.DataContext as DiagramEntityViewModel;
if (items != null && diagramEntityView != null)
{
dialog = new Window();
dialog.Height = 450 * UserSettingsHelper.Instance.ControlSize;
dialog.Width = 400 * UserSettingsHelper.Instance.ControlSize;
dialog.Left = Math.Max(currentPosition.X, 20);
dialog.Top = Math.Max(currentPosition.Y, 20);
dialog.Content = new IndexDialogControl();
Index newItem = new Index();
newItem.IndexID = Guid.NewGuid();
newItem.Solution = items.Solution;
newItem.Entity = items.Entity;
//newItem.ReferenceEntity = diagramEntityView.DiagramEntity.Entity;
IndexViewModel newItemView = new IndexViewModel(newItem, items.Solution);
newItemView.IsFreeDialog = true;
dialog.DataContext = newItemView;
dialog.Title = newItemView.Title;
newItemView.RequestClose += new EventHandler(Item_RequestClose);
#region protected
#endregion protected
dialog.ShowDialog();
if (newItemView.IsOK == true)
{
items.AddIndex(newItemView);
}
dialog.Close();
dialog = null;
e.Handled = true;
return;
}
}
