public Connector GetBestConnector(EntityDiagramControl otherControl, bool isSinkConnector)
{
DiagramEntityViewModel view = DataContext as DiagramEntityViewModel;
DiagramEntityViewModel otherView = otherControl.DataContext as DiagramEntityViewModel;
if (view != null && otherView != null)
{
double deltaX = otherView.X - view.X;
double deltaY = otherView.Y - view.Y;
bool deltaYBigger = Math.Abs(deltaY) > Math.Abs(deltaX);
if (isSinkConnector == true)
{
// weight the sink connector towards the left/right side
deltaYBigger = Math.Abs(deltaY) > 2 * Math.Abs(deltaX);
}
if (deltaYBigger == true)
{
// item is to the top or bottom
if (deltaY > 0)
{
// item is to the bottom
return(GetConnector(BottomPanel, otherView.X, otherView.Y));
}
else
{
// item is to the top
return(GetConnector(TopPanel, otherView.X, otherView.Y));
}
}
else
{
// item is to the left or right
if (deltaX > 0)
{
// item is to the right
return(GetConnector(RightPanel, otherView.X, otherView.Y));
}
else
{
// item is to the left
return(GetConnector(LeftPanel, otherView.X, otherView.Y));
}
}
}
return(GetConnector(LeftPanel, otherView.X, otherView.Y));
}
DiagramEntityViewModel GetMouseOverEntity()
{
Point currentPosition = MouseUtilities.GetMousePosition(this);
DiagramViewModel diagramView = DataContext as DiagramViewModel;
foreach (DiagramEntityViewModel entity in diagramView.Items.OfType <DiagramEntityViewModel>())
{
EntityDiagramControl entityControl = VisualItemHelper.FindChild <EntityDiagramControl>(this, entity);
if (entityControl != null)
{
if (entity.X < currentPosition.X &&
currentPosition.X < (entity.X + entityControl.ActualWidth) &&
entity.Y < currentPosition.Y &&
currentPosition.Y < (entity.Y + entityControl.ActualHeight))
{
return(entity);
}
}
}
return(null);
}
///--------------------------------------------------------------------------------
/// <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);
PropertiesViewModel items = DataContext as PropertiesViewModel;
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 PropertyDialogControl();
Property newItem = new Property();
newItem.PropertyID = Guid.NewGuid();
newItem.Solution = items.Solution;
newItem.Entity = items.Entity;
//newItem.ReferenceEntity = diagramEntityView.DiagramEntity.Entity;
PropertyViewModel newItemView = new PropertyViewModel(newItem, items.Solution);
newItemView.IsFreeDialog = true;
dialog.DataContext = newItemView;
dialog.Title = newItemView.Title;
newItemView.RequestClose += new EventHandler(Item_RequestClose);
#region protected
dialog.Width = 600 * UserSettingsHelper.Instance.ControlSize;
#endregion protected
dialog.ShowDialog();
if (newItemView.IsOK == true)
{
items.AddProperty(newItemView);
}
dialog.Close();
dialog = null;
e.Handled = true;
return;
}
}
