internal UndoRedoAction InsertToListAndSetTheBoxBefore(UndoRedoAction action)
{
UndoRedoActionsList.AddAction(action);
action.GraphBoundingBoxBefore = action.Graph.BoundingBox;
RaiseChangeInUndoList();
return(action);
}
/// <summary>
/// clear the editor
/// </summary>
public void Clear()
{
objectsToDrag = new Set <GeometryObject>();
edgesDraggedWithSource.Clear();
edgesDraggedWithTarget.Clear();
UndoRedoActionsList = new UndoRedoActionsList();
EditedEdge = null;
}
/// <summary>
/// Creates a "tight" bounding box
/// </summary>
/// <param name="affectedEntity">the object corresponding to the graph</param>
/// <param name="geometryGraph"></param>
public void FitGraphBoundingBox(IViewerObject affectedEntity, GeometryGraph geometryGraph)
{
if (geometryGraph != null)
{
var uAction = new UndoRedoAction(geometryGraph)
{
Graph = geometryGraph
};
UndoRedoActionsList.AddAction(uAction);
var r = new Rectangle();
foreach (GeomNode n in geometryGraph.Nodes)
{
r = n.BoundingBox;
break;
}
foreach (GeomNode n in geometryGraph.Nodes)
{
r.Add(n.BoundingBox);
}
foreach (GeomEdge e in geometryGraph.Edges)
{
r.Add(e.BoundingBox);
if (e.Label != null)
{
r.Add(e.Label.BoundingBox);
}
}
r.Left -= geometryGraph.Margins;
r.Top += geometryGraph.Margins;
r.Bottom -= geometryGraph.Margins;
r.Right += geometryGraph.Margins;
uAction.ClearAffectedObjects();
uAction.AddAffectedObject(affectedEntity);
uAction.GraphBoundingBoxAfter = geometryGraph.BoundingBox = r;
}
}