/// <summary>
/// Returns all the connected pairs of shapes in the active page
/// </summary>
/// <param name="flag"></param>
/// <returns></returns>
public IList<ConnectorEdge> GetTransitiveClosure(ConnectorEdgeHandling flag)
{
this.AssertApplicationAvailable();
this.AssertDocumentAvailable();
var app = this.Client.VisioApplication;
return PathAnalysis.GetTransitiveClosure(app.ActivePage, flag);
}
public IList<ConnectorEdge> GetDirectedEdges(ConnectorEdgeHandling flag)
{
this.AssertApplicationAvailable();
this.AssertDocumentAvailable();
var directed_edges = PathAnalysis.GetDirectedEdges(this.Client.VisioApplication.ActivePage, flag);
return directed_edges;
}
public IList <ConnectorEdge> GetDirectedEdges(ConnectorEdgeHandling flag)
{
this.AssertApplicationAvailable();
this.AssertDocumentAvailable();
var directed_edges = PathAnalysis.GetDirectedEdges(this.Client.VisioApplication.ActivePage, flag);
return(directed_edges);
}
/// <summary>
/// Returns all the connected pairs of shapes in the active page
/// </summary>
/// <param name="flag"></param>
/// <returns></returns>
public IList <ConnectorEdge> GetTransitiveClosure(ConnectorEdgeHandling flag)
{
this.AssertApplicationAvailable();
this.AssertDocumentAvailable();
var app = this.Client.VisioApplication;
return(PathAnalysis.GetTransitiveClosure(app.ActivePage, flag));
}
public static IList <ConnectorEdge> GetTransitiveClosure(
IVisio.Page page,
ConnectorEdgeHandling flag)
{
if (page == null)
{
throw new System.ArgumentNullException("page");
}
var directed_edges = GetDirectedEdges(page, flag)
.Select(e => new DirectedEdge <IVisio.Shape, IVisio.Shape>(e.From, e.To, e.Connector));
var closure = GetClosureFromEdges(directed_edges)
.Select(x => new ConnectorEdge(null, x.From, x.To)).ToList();
return(closure);
}
/// <summary>
/// Returns all the directed,connected pairs of shapes in the page
/// </summary>
/// <param name="page"></param>
/// <param name="flag"></param>
/// <returns></returns>
public static IList <ConnectorEdge> GetDirectedEdges(
IVisio.Page page,
ConnectorEdgeHandling flag)
{
if (page == null)
{
throw new System.ArgumentNullException("page");
}
var edges = GetDirectedEdgesRaw(page);
if (flag == ConnectorEdgeHandling.Raw)
{
return(edges);
}
// At this point we know we need to analyze the connetor arrows to produce the correct results
var connnector_ids = edges.Select(e => e.Connector.ID).ToList();
// Get the arrows for each connector
var src_beginarrow = VA.ShapeSheet.SRCConstants.BeginArrow;
var src_endarrow = VA.ShapeSheet.SRCConstants.EndArrow;
var query = new VA.ShapeSheet.Query.CellQuery();
var col_beginarrow = query.Columns.Add(src_beginarrow, "BeginArrow");
var col_endarrow = query.Columns.Add(src_endarrow, "EndArrow");
var arrow_table = query.GetResults <int>(page, connnector_ids);
IList <ConnectorEdge> directed_edges = new List <ConnectorEdge>();
int connector_index = 0;
foreach (var e in edges)
{
int beginarrow = arrow_table[connector_index][col_beginarrow.Ordinal];
int endarrow = arrow_table[connector_index][col_endarrow.Ordinal];
if ((beginarrow < 1) && (endarrow < 1))
{
// the line has no arrows
if (flag == ConnectorEdgeHandling.Arrow_TreatConnectorsWithoutArrowsAsBidirectional)
{
// in this case treat the connector as pointing in both directions
var de1 = new ConnectorEdge(e.Connector, e.To, e.From);
var de2 = new ConnectorEdge(e.Connector, e.From, e.To);
directed_edges.Add(de1);
directed_edges.Add(de2);
}
else if (flag == ConnectorEdgeHandling.Arrow_ExcludeConnectorsWithoutArrows)
{
// in this case ignore the connector completely
}
else
{
throw new AutomationException("Internal error");
}
}
else
{
// The connector has either a from-arrow, a to-arrow, or both
// handle if it has a from arrow
if (beginarrow > 0)
{
var de = new ConnectorEdge(e.Connector, e.To, e.From);
directed_edges.Add(de);
}
// handle if it has a to arrow
if (endarrow > 0)
{
var de = new ConnectorEdge(e.Connector, e.From, e.To);
directed_edges.Add(de);
}
}
connector_index++;
}
return(directed_edges);
}