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);
}
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);
}
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() );
}
