// Sets all the flags on the elements stored to this value
public void SetFlags(VGNodeFixedStates flags)
{
for (var i = 0; i < _elements.Count; i++)
{
var node = _elements[i] as NodeShape;
if (node != null)
{
node.LayoutObjectFixedFlags = flags;
}
}
}
public void SetFlags(VGNodeFixedStates flags)
{
for (int i = 0; i < this.Elements.Count; i++)
{
NodeShape shape = this.Elements[i] as NodeShape;
if (shape != null)
{
shape.LayoutObjectFixedFlags = flags;
}
}
}
public SaveLayoutFlags(IList elements, VGNodeFixedStates flags)
: this(elements)
{
this.SetFlags(flags);
}
public void SetFlags(VGNodeFixedStates flags)
{
for (int i = 0; i < this.Elements.Count; i++)
{
NodeShape shape = this.Elements[i] as NodeShape;
if (shape != null)
{
shape.LayoutObjectFixedFlags = flags;
}
}
}
public SaveLayoutFlags(IList elements, VGNodeFixedStates flags)
: this(elements)
{
this.SetFlags(flags);
}
// Sets all the flags on the elements stored to this value
public void SetFlags(VGNodeFixedStates flags)
{
for (var i = 0; i < _elements.Count; i++)
{
var node = _elements[i] as NodeShape;
if (node != null)
{
node.LayoutObjectFixedFlags = flags;
}
}
}
/// <summary>
/// Performs an AutoLayoutDiagram command on the list of shapes passed in
/// </summary>
public void AutoLayoutDiagram(IList shapes)
{
// Put up an hourglass because this may take a while
using (new VsUtils.HourglassHelper())
{
// Inheritance lines need to be placed using a different styling
// so that the lines join at the same point. Sort out which shapes we have
var inheritanceLinks = new List <ShapeElement>();
var inheritanceShapes = new List <ShapeElement>();
var otherShapes = new List <ShapeElement>();
foreach (ShapeElement shape in shapes)
{
// Fix a bug when the user tries to layout a diagram that contains inheritance classes multiple times, the shapes are moved to the bottom of the screen.
// The fix is to include both base class and derived class in the inheritance shapes list; before the fix we only includes the derived class in the list.
var isInheritanceClass = false;
var entityTypeShape = shape as ConfigurationElementShape;
// get a list of all lines leading to/from the shape
if (entityTypeShape != null)
{
var allLinks = new ArrayList(entityTypeShape.FromRoleLinkShapes);
allLinks.AddRange(entityTypeShape.ToRoleLinkShapes);
foreach (LinkShape link in allLinks)
{
if (link is InheritanceConnector)
{
isInheritanceClass = true;
break;
}
}
}
if (isInheritanceClass)
{
inheritanceShapes.Add(shape);
}
else if (shape is InheritanceConnector)
{
inheritanceLinks.Add(shape);
}
else
{
otherShapes.Add(shape);
}
}
// These flags are based on AutoLayout code from the ClassDesigner
// Flags we set so the graph object ignores a shape (treats that shape as invisible) when doing layout
const VGNodeFixedStates ignoreShapeFlags =
VGNodeFixedStates.FixedPlace | // don't consider for placement
VGNodeFixedStates.PermeablePlace; // place on top if desired (ignore for placement purposes)
// Flags we set so the graph object recognizes but doesn't move a shape when doing layout
const VGNodeFixedStates noMoveShapeFlags = VGNodeFixedStates.FixedPlace;
// Perform the auto layout
using (var t = Store.TransactionManager.BeginTransaction("LayoutDiagram"))
{
//t.Context.Add(EfiTransactionOriginator.TransactionOriginatorDiagramId, DiagramId);
using (new SaveLayoutFlags(inheritanceShapes, ignoreShapeFlags))
{
// Since the inheritance shapes will be moved later,
// tell this layout to ignore them and place other objects on
// top if necessary
AutoLayoutShapeElements(
shapes,
VGRoutingStyle.VGRouteNetwork,
PlacementValueStyle.VGPlaceWE,
false);
}
using (new SaveLayoutFlags(otherShapes, noMoveShapeFlags))
{
// DD 40487: Move any classes that have inheritance, while keeping
// the others in place. Use org chart and PlaceSN so that parent
// classes appear above child ones
AutoLayoutShapeElements(
shapes,
VGRoutingStyle.VGRouteOrgChartNS,
PlacementValueStyle.VGPlaceSN,
false);
}
using (new SaveLayoutFlags(shapes, noMoveShapeFlags))
{
// DD 40516: Make inheritance lines connect at single point and
// don't move anything else
AutoLayoutShapeElements(
inheritanceLinks,
VGRoutingStyle.VGRouteRightAngle,
PlacementValueStyle.VGPlaceUndirected,
false);
}
Reroute();
t.Commit();
}
} // restore cursor
}
