VerifyOriginalEdgeMetadata
(
IEdge oEdge1,
IEdge oEdge2,
IEdge oEdge3,
IEdge oEdge4
)
{
Assert.IsFalse(oEdge1.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsFalse(oEdge1.ContainsKey(
ReservedMetadataKeys.Visibility));
Assert.IsFalse(oEdge2.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge2.ContainsKey(
ReservedMetadataKeys.Visibility));
Assert.AreEqual(VisibilityKeyValue.Filtered,
oEdge2.GetValue(ReservedMetadataKeys.Visibility));
Assert.IsFalse(oEdge3.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsFalse(oEdge3.ContainsKey(
ReservedMetadataKeys.Visibility));
Assert.IsFalse(oEdge4.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsFalse(oEdge4.ContainsKey(
ReservedMetadataKeys.Visibility));
}
IncidentEdgeShouldBeHidden
(
IEdge oIncidentEdge,
IVertex oVertex,
Int32 iGroupIndex,
Dictionary <Int32, Int32> oGroupIndexDictionary
)
{
Debug.Assert(oIncidentEdge != null);
Debug.Assert(oVertex != null);
Debug.Assert(iGroupIndex >= 0);
Debug.Assert(oGroupIndexDictionary != null);
Int32 iOtherGroupIndex = oGroupIndexDictionary[
oIncidentEdge.GetAdjacentVertex(oVertex).ID];
return(
// The edge's vertices are not in the same group.
iOtherGroupIndex != iGroupIndex
&&
// The edge has not already been hidden.
!oIncidentEdge.ContainsKey(ReservedMetadataKeys.SavedVisibility)
);
}
IncidentEdgeShouldBeHidden
(
IEdge oIncidentEdge,
IVertex oVertex,
Int32 iGroupIndex,
Dictionary<Int32, Int32> oGroupIndexDictionary
)
{
Debug.Assert(oIncidentEdge != null);
Debug.Assert(oVertex != null);
Debug.Assert(iGroupIndex >= 0);
Debug.Assert(oGroupIndexDictionary != null);
Int32 iOtherGroupIndex = oGroupIndexDictionary[
oIncidentEdge.GetAdjacentVertex(oVertex).ID];
return (
// The edge's vertices are not in the same group.
iOtherGroupIndex != iGroupIndex
&&
// The edge has not already been hidden.
!oIncidentEdge.ContainsKey(ReservedMetadataKeys.SavedVisibility)
);
}
TestOnLayoutBegin()
{
// Draw rectangles, hide intergroup edges.
const Double GroupRectanglePenWidth = 1.23;
const IntergroupEdgeStyle IntergroupEdgeStyle =
IntergroupEdgeStyle.Hide;
IGraph oGraph = new Graph(GraphDirectedness.Undirected);
IVertex[] aoVertices = TestGraphUtil.AddVertices(oGraph, 4);
IEdgeCollection oEdges = oGraph.Edges;
IEdge oEdge1 = oEdges.Add(aoVertices[0], aoVertices[1], false);
IEdge oEdge2 = oEdges.Add(aoVertices[0], aoVertices[2], false);
IEdge oEdge3 = oEdges.Add(aoVertices[2], aoVertices[3], false);
IEdge oEdge4 = oEdges.Add(aoVertices[1], aoVertices[3], false);
// oEdge2 is intergroup. Give it an initial visibility.
oEdge2.SetValue(ReservedMetadataKeys.Visibility,
VisibilityKeyValue.Filtered);
// (oEdge4 is intergroup. Don't give it an initial visibility.)
GroupInfo oGroup1 = new GroupInfo();
oGroup1.Vertices.AddLast(aoVertices[0]);
oGroup1.Vertices.AddLast(aoVertices[1]);
oGroup1.Rectangle = Rectangle.FromLTRB(1, 2, 3, 4);
GroupInfo oGroup2 = new GroupInfo();
oGroup2.Vertices.AddLast(aoVertices[2]);
oGroup2.Vertices.AddLast(aoVertices[3]);
oGroup2.Rectangle = Rectangle.FromLTRB(5, 6, 7, 8);
GroupMetadataManager.OnLayoutBegin(oGraph);
GroupMetadataManager.OnLayoutUsingGroupsEnd(oGraph,
new GroupInfo[] { oGroup1, oGroup2 },
GroupRectanglePenWidth, IntergroupEdgeStyle);
GroupLayoutDrawingInfo oGroupLayoutDrawingInfo;
Assert.IsTrue(GroupMetadataManager.TryGetGroupLayoutDrawingInfo(
oGraph, out oGroupLayoutDrawingInfo));
Assert.AreEqual(GroupRectanglePenWidth,
oGroupLayoutDrawingInfo.PenWidth);
IList <GroupInfo> oGroupInfo = oGroupLayoutDrawingInfo.GroupsToDraw;
Assert.AreEqual(2, oGroupInfo.Count);
Assert.AreEqual(oGroup1, oGroupInfo[0]);
Assert.AreEqual(oGroup2, oGroupInfo[1]);
Assert.IsTrue(oGraph.ContainsKey(
ReservedMetadataKeys.IntergroupEdgesHidden));
Assert.IsFalse(oEdge1.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge2.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.AreEqual(VisibilityKeyValue.Filtered,
oEdge2.GetValue(ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge2.ContainsKey(
ReservedMetadataKeys.Visibility));
Assert.AreEqual(VisibilityKeyValue.Hidden,
oEdge2.GetValue(ReservedMetadataKeys.Visibility));
Assert.IsFalse(oEdge3.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge4.ContainsKey(
ReservedMetadataKeys.Visibility));
Assert.AreEqual(VisibilityKeyValue.Hidden,
oEdge4.GetValue(ReservedMetadataKeys.Visibility));
// Verify that OnLayoutBegin() reverses the metadata changes.
GroupMetadataManager.OnLayoutBegin(oGraph);
VerifyOriginalMetadata(oGraph, oEdge1, oEdge2, oEdge3, oEdge4);
}
TestOnLayoutBegin6()
{
// Request that intergroup edges be combined, and there are some.
const Double GroupRectanglePenWidth = 4.567;
const IntergroupEdgeStyle IntergroupEdgeStyle =
IntergroupEdgeStyle.Combine;
IGraph oGraph = new Graph(GraphDirectedness.Undirected);
IVertex[] aoVertices = TestGraphUtil.AddVertices(oGraph, 5);
IEdgeCollection oEdges = oGraph.Edges;
// Not intergroup.
IEdge oEdge1 = oEdges.Add(aoVertices[0], aoVertices[1], false);
IEdge oEdge2 = oEdges.Add(aoVertices[2], aoVertices[3], false);
// Intergroup, between groups 1 and 2.
IEdge oEdge3 = oEdges.Add(aoVertices[0], aoVertices[2], false);
IEdge oEdge4 = oEdges.Add(aoVertices[1], aoVertices[2], false);
IEdge oEdge5 = oEdges.Add(aoVertices[1], aoVertices[3], false);
// Intergroup, between groups 2 and 3.
IEdge oEdge6 = oEdges.Add(aoVertices[2], aoVertices[4], false);
IEdge oEdge7 = oEdges.Add(aoVertices[3], aoVertices[4], false);
// Intergroup, between groups 1 and 3.
IEdge oEdge8 = oEdges.Add(aoVertices[1], aoVertices[4], false);
GroupInfo oGroup1 = new GroupInfo();
oGroup1.Vertices.AddLast(aoVertices[0]);
oGroup1.Vertices.AddLast(aoVertices[1]);
oGroup1.Rectangle = Rectangle.FromLTRB(1, 2, 3, 4);
GroupInfo oGroup2 = new GroupInfo();
oGroup2.Vertices.AddLast(aoVertices[2]);
oGroup2.Vertices.AddLast(aoVertices[3]);
oGroup2.Rectangle = Rectangle.FromLTRB(5, 6, 7, 8);
GroupInfo oGroup3 = new GroupInfo();
oGroup3.Vertices.AddLast(aoVertices[4]);
oGroup3.Rectangle = Rectangle.FromLTRB(9, 10, 11, 12);
GroupMetadataManager.OnLayoutBegin(oGraph);
GroupMetadataManager.OnLayoutUsingGroupsEnd(oGraph,
new GroupInfo[] { oGroup1, oGroup2, oGroup3 },
GroupRectanglePenWidth, IntergroupEdgeStyle);
GroupLayoutDrawingInfo oGroupLayoutDrawingInfo;
Assert.IsTrue(GroupMetadataManager.TryGetGroupLayoutDrawingInfo(
oGraph, out oGroupLayoutDrawingInfo));
Assert.AreEqual(GroupRectanglePenWidth,
oGroupLayoutDrawingInfo.PenWidth);
IList <GroupInfo> oGroupInfo = oGroupLayoutDrawingInfo.GroupsToDraw;
Assert.AreEqual(3, oGroupInfo.Count);
Assert.AreEqual(oGroup1, oGroupInfo[0]);
Assert.AreEqual(oGroup2, oGroupInfo[1]);
Assert.AreEqual(oGroup3, oGroupInfo[2]);
Assert.IsTrue(oGraph.ContainsKey(
ReservedMetadataKeys.IntergroupEdgesHidden));
Assert.IsFalse(oEdge1.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsFalse(oEdge2.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge3.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge4.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge5.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge6.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge7.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsTrue(oEdge8.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.AreEqual(3,
oGroupLayoutDrawingInfo.CombinedIntergroupEdges.Count());
IntergroupEdgeInfo oCombinedIntergroupEdge;
oCombinedIntergroupEdge =
oGroupLayoutDrawingInfo.CombinedIntergroupEdges.Single(
intergroupEdgeInfo =>
intergroupEdgeInfo.Group1Index == 0
&&
intergroupEdgeInfo.Group2Index == 1
);
Assert.AreEqual(0, oCombinedIntergroupEdge.Group1Index);
Assert.AreEqual(1, oCombinedIntergroupEdge.Group2Index);
Assert.AreEqual(3, oCombinedIntergroupEdge.Edges);
oCombinedIntergroupEdge =
oGroupLayoutDrawingInfo.CombinedIntergroupEdges.Single(
intergroupEdgeInfo =>
intergroupEdgeInfo.Group1Index == 0
&&
intergroupEdgeInfo.Group2Index == 2
);
Assert.AreEqual(0, oCombinedIntergroupEdge.Group1Index);
Assert.AreEqual(2, oCombinedIntergroupEdge.Group2Index);
Assert.AreEqual(1, oCombinedIntergroupEdge.Edges);
oCombinedIntergroupEdge =
oGroupLayoutDrawingInfo.CombinedIntergroupEdges.Single(
intergroupEdgeInfo =>
intergroupEdgeInfo.Group1Index == 1
&&
intergroupEdgeInfo.Group2Index == 2
);
Assert.AreEqual(1, oCombinedIntergroupEdge.Group1Index);
Assert.AreEqual(2, oCombinedIntergroupEdge.Group2Index);
Assert.AreEqual(2, oCombinedIntergroupEdge.Edges);
}
TestOnLayoutBegin5()
{
// Request that intergroup edges be combined, although there are none.
const Double GroupRectanglePenWidth = 4.567;
const IntergroupEdgeStyle IntergroupEdgeStyle =
IntergroupEdgeStyle.Combine;
IGraph oGraph = new Graph(GraphDirectedness.Undirected);
IVertex[] aoVertices = TestGraphUtil.AddVertices(oGraph, 5);
IEdgeCollection oEdges = oGraph.Edges;
IEdge oEdge1 = oEdges.Add(aoVertices[0], aoVertices[1], false);
IEdge oEdge2 = oEdges.Add(aoVertices[2], aoVertices[3], false);
GroupInfo oGroup1 = new GroupInfo();
oGroup1.Vertices.AddLast(aoVertices[0]);
oGroup1.Vertices.AddLast(aoVertices[1]);
oGroup1.Rectangle = Rectangle.FromLTRB(1, 2, 3, 4);
GroupInfo oGroup2 = new GroupInfo();
oGroup2.Vertices.AddLast(aoVertices[2]);
oGroup2.Vertices.AddLast(aoVertices[3]);
oGroup2.Rectangle = Rectangle.FromLTRB(5, 6, 7, 8);
GroupInfo oGroup3 = new GroupInfo();
oGroup3.Vertices.AddLast(aoVertices[4]);
oGroup3.Rectangle = Rectangle.FromLTRB(9, 10, 11, 12);
GroupMetadataManager.OnLayoutBegin(oGraph);
GroupMetadataManager.OnLayoutUsingGroupsEnd(oGraph,
new GroupInfo[] { oGroup1, oGroup2, oGroup3 },
GroupRectanglePenWidth, IntergroupEdgeStyle);
GroupLayoutDrawingInfo oGroupLayoutDrawingInfo;
Assert.IsTrue(GroupMetadataManager.TryGetGroupLayoutDrawingInfo(
oGraph, out oGroupLayoutDrawingInfo));
Assert.AreEqual(GroupRectanglePenWidth,
oGroupLayoutDrawingInfo.PenWidth);
IList <GroupInfo> oGroupInfo = oGroupLayoutDrawingInfo.GroupsToDraw;
Assert.AreEqual(3, oGroupInfo.Count);
Assert.AreEqual(oGroup1, oGroupInfo[0]);
Assert.AreEqual(oGroup2, oGroupInfo[1]);
Assert.AreEqual(oGroup3, oGroupInfo[2]);
Assert.IsFalse(oGraph.ContainsKey(
ReservedMetadataKeys.IntergroupEdgesHidden));
Assert.IsFalse(oEdge1.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.IsFalse(oEdge2.ContainsKey(
ReservedMetadataKeys.SavedVisibility));
Assert.AreEqual(0,
oGroupLayoutDrawingInfo.CombinedIntergroupEdges.Count());
}
VerifyOriginalEdgeMetadata
(
IEdge oEdge1,
IEdge oEdge2,
IEdge oEdge3,
IEdge oEdge4
)
{
Assert.IsFalse( oEdge1.ContainsKey(
ReservedMetadataKeys.SavedVisibility) );
Assert.IsFalse( oEdge1.ContainsKey(
ReservedMetadataKeys.Visibility) );
Assert.IsFalse( oEdge2.ContainsKey(
ReservedMetadataKeys.SavedVisibility) );
Assert.IsTrue( oEdge2.ContainsKey(
ReservedMetadataKeys.Visibility) );
Assert.AreEqual( VisibilityKeyValue.Filtered,
oEdge2.GetValue(ReservedMetadataKeys.Visibility) );
Assert.IsFalse( oEdge3.ContainsKey(
ReservedMetadataKeys.SavedVisibility) );
Assert.IsFalse( oEdge3.ContainsKey(
ReservedMetadataKeys.Visibility) );
Assert.IsFalse( oEdge4.ContainsKey(
ReservedMetadataKeys.SavedVisibility) );
Assert.IsFalse( oEdge4.ContainsKey(
ReservedMetadataKeys.Visibility) );
}
