// 'center' must be in world coordinates
private void Insert(object insertingObject, Point center, Statechart insertionPoint)
{
IDataObject dataObject = (IDataObject)insertingObject;
object[] items = dataObject.GetData(typeof(object[])) as object[];
if (items == null)
{
return;
}
object[] itemCopies = DomNode.Copy(Adapters.AsIEnumerable <DomNode>(items));
foreach (Annotation annotation in Adapters.AsIEnumerable <Annotation>(itemCopies))
{
this.As <Document>().Annotations.Add(annotation);
}
IEnumerable <StateBase> states = Adapters.AsIEnumerable <StateBase>(itemCopies);
foreach (StateBase state in states)
{
insertionPoint.States.Add(state);
}
foreach (Transition transition in Adapters.AsIEnumerable <Transition>(itemCopies))
{
m_transitions.Add(transition);
}
// centering hierarchical states requires some special code
Center(itemCopies, center);
Selection.SetRange(itemCopies);
}
/// <summary>
/// Adds new objects of given type to statechart using a transaction.
/// Called by automated scripts during testing.</summary>
/// <typeparam name="T">Type of objects to add</typeparam>
/// <param name="domNode">DomNode that contains added objects</param>
/// <param name="xPos">X-coordinate at center of insertion position</param>
/// <param name="yPos">Y-coordinate at center of insertion position</param>
/// <param name="parentState">Insertion point for added objects</param>
/// <returns>Last selected item</returns>
public T Insert <T>(DomNode domNode, int xPos, int yPos, State parentState) where T : class
{
//Use a default name of the type of object. Annotations don't have the nameAttribute though
if (domNode.Type != Schema.annotationType.Type)
{
domNode.SetAttribute(Schema.stateBaseType.nameAttribute, typeof(T).Name);
}
DataObject dataObject = new DataObject(new object[] { domNode });
Statechart insertionPoint = m_statechart;
if (parentState != null)
{
insertionPoint = GetStatechart(parentState);
}
ITransactionContext transactionContext = this.As <ITransactionContext>();
transactionContext.DoTransaction(
delegate
{
Insert(dataObject, new Point(xPos, yPos), insertionPoint);
}, "Scripted Insert Object");
return(Selection.GetLastSelected <T>());
}
private void DomNode_ChildInserting(object sender, ChildEventArgs e)
{
// check pseudo-state constraints
StateBase state = e.Child.As <StateBase>();
if (state != null && state.IsPseudoState)
{
Statechart statechart = e.Parent.As <Statechart>();
CheckUniqueness(statechart, state.Type);
}
else
{
// check state transition constraints
Transition transition = e.Child.As <Transition>();
if (transition != null)
{
if (transition.FromState.IsPseudoState)
{
if (transition.FromState.Type == StateType.Final)
{
throw new InvalidTransactionException(
"Can't have a transition from the final state".Localize());
}
}
if (transition.ToState.IsPseudoState)
{
if (transition.ToState.Type == StateType.Start)
{
throw new InvalidTransactionException(
"Can't have a transition to the start state".Localize());
}
}
}
}
}
private void CheckUniqueness(Statechart statechart, StateType type)
{
foreach (StateBase state in statechart.States)
{
if (state.Type == type)
{
string typeName = Enum.GetName(typeof(StateType), type);
throw new InvalidTransactionException(
"Each statechart cannot have more than one psuedo-state of type: ".Localize() +
typeName);
}
}
}
private void CheckUniqueness(Statechart statechart, StateType type)
{
foreach (StateBase state in statechart.States)
{
if (state.Type == type)
{
string typeName = Enum.GetName(typeof(StateType), type);
throw new InvalidTransactionException(
"Each statechart cannot have more than one psuedo-state of type: ".Localize() +
typeName);
}
}
}
private Rectangle Layout(Statechart statechart)
{
Rectangle bounds = new Rectangle();
foreach (StateBase state in statechart.States)
{
Rectangle stateBounds = Layout(state);
if (bounds.IsEmpty)
{
bounds = stateBounds;
}
else
{
bounds = Rectangle.Union(bounds, stateBounds);
}
}
statechart.Bounds = bounds;
return(bounds);
}
/// <summary>
/// Inserts object into statechart at the center of the canvas or last selected state if there was one</summary>
/// <param name="insertingObject">Object to insert</param>
public void Insert(object insertingObject)
{
Statechart insertionPoint = m_statechart; // default is root statechart
AdaptableControl control = m_viewingContext.Control;
DragDropAdapter dragDropAdapter = control.As <DragDropAdapter>();
Matrix transform = control.As <ITransformAdapter>().Transform;
Point center; // in world coordinates
if (dragDropAdapter != null && dragDropAdapter.IsDropping)
{
insertionPoint = FindStatechartUnder(dragDropAdapter.MousePosition);
center = GdiUtil.InverseTransform(transform, dragDropAdapter.MousePosition);
}
else // paste into last selected state
{
State state = Selection.GetLastSelected <State>();
if (state != null)
{
insertionPoint = GetStatechart(state);
Rectangle stateBounds = m_viewingContext.GetBounds(state);
center = new Point(
stateBounds.X + stateBounds.Width / 2,
stateBounds.Y + stateBounds.Height / 2);
center = GdiUtil.InverseTransform(transform, center);
}
else
{
center = GdiUtil.InverseTransform(transform,
new Point(
control.Width / 2,
control.Height / 2));
}
}
Insert(insertingObject, center, insertionPoint);
}
private Rectangle Layout(Statechart statechart)
{
Rectangle bounds = new Rectangle();
foreach (StateBase state in statechart.States)
{
Rectangle stateBounds = Layout(state);
if (bounds.IsEmpty)
{
bounds = stateBounds;
}
else
{
bounds = Rectangle.Union(bounds, stateBounds);
}
}
statechart.Bounds = bounds;
return bounds;
}
