public static List <DirectedGraphLayout> LoadFromXML(Client client, string filename)
{
var xmldoc = SXL.XDocument.Load(filename);
return(DirectedGraphBuilder.LoadFromXML(client, xmldoc));
}
private static List <PageData> LoadPageDataFromXML(Client client, SXL.XDocument xmldoc)
{
var pagedatas = new List <PageData>();
// LOAD and ANALYZE EACH PAGE
int pagenum = 0;
var page_els = xmldoc.Root.Elements("page");
foreach (var page_el in page_els)
{
var node_ids = new HashSet <string>();
var con_ids = new HashSet <string>();
var pagedata = new PageData();
pagedatas.Add(pagedata);
pagedata.Errors = new List <BuilderError>();
pagedata.LayoutOptions = new MsaglLayoutOptions();
var renderoptions_el = page_el.Element("renderoptions");
DirectedGraphBuilder.GetRenderOptionsFromXml(renderoptions_el, pagedata.LayoutOptions);
pagedata.DirectedGraph = new DirectedGraphLayout();
var shape_els = page_el.Element("shapes").Elements("shape");
var con_els = page_el.Element("connectors").Elements("connector");
pagedata.ShapeInfos = shape_els.Select(e => DGShapeInfo.FromXml(client, e)).ToList();
pagedata.ConnectorInfos = con_els.Select(e => DGConnectorInfo.FromXml(client, e)).ToList();
client.WriteVerbose("Analyzing shape data for page {0}", pagenum);
foreach (var shape_info in pagedata.ShapeInfos)
{
client.WriteVerbose("shape {0}", shape_info.ID);
if (node_ids.Contains(shape_info.ID))
{
pagedata.Errors.Add(BuilderError.NodeAlreadyDefined(pagenum, shape_info.ID));
}
else
{
node_ids.Add(shape_info.ID);
}
}
client.WriteVerbose("Analyzing connector data...");
foreach (var con_info in pagedata.ConnectorInfos)
{
client.WriteVerbose("connector {0}", con_info.ID);
if (con_ids.Contains(con_info.ID))
{
pagedata.Errors.Add(BuilderError.ConnectorAlreadyDefined(pagenum, con_info.ID));
}
else
{
con_ids.Add(con_info.ID);
}
if (!node_ids.Contains(con_info.From))
{
pagedata.Errors.Add(BuilderError.InvalidFromNode(pagenum, con_info.ID, con_info.From));
}
if (!node_ids.Contains(con_info.To))
{
pagedata.Errors.Add(BuilderError.InvalidToNode(pagenum, con_info.ID, con_info.To));
}
}
}
return(pagedatas);
}
public static List <DirectedGraphLayout> LoadFromXML(Client client, SXL.XDocument xmldoc)
{
var pagedatas = DirectedGraphBuilder.LoadPageDataFromXML(client, xmldoc);
// STOP IF ANY ERRORS
int num_errors = pagedatas.Select(pagedata => pagedata.Errors.Count).Sum();
if (num_errors > 1)
{
foreach (var pagedata in pagedatas)
{
foreach (var error in pagedata.Errors)
{
client.WriteVerbose(error.Text);
}
client.WriteVerbose("Errors encountered in shape data. Stopping.");
}
}
// DRAW EACH PAGE
foreach (var pagedata in pagedatas)
{
client.WriteVerbose("Creating shape AutoLayout nodes");
foreach (var shape_info in pagedata.ShapeInfos)
{
var dg_shape = pagedata.DirectedGraph.AddShape(shape_info.ID, shape_info.Label, shape_info.Stencil, shape_info.Master);
dg_shape.URL = shape_info.URL;
dg_shape.CustomProperties = new CustomPropertyDictionary();
foreach (var kv in shape_info.custprops)
{
dg_shape.CustomProperties[kv.Key] = kv.Value;
}
}
client.WriteVerbose("Creating connector AutoLayout nodes");
foreach (var con_info in pagedata.ConnectorInfos)
{
var def_connector_type = ConnectorType.Curved;
var connectory_type = def_connector_type;
var from_shape = pagedata.DirectedGraph.Shapes.Find(con_info.From);
var to_shape = pagedata.DirectedGraph.Shapes.Find(con_info.To);
var def_con_color = new VisioAutomation.Drawing.ColorRGB(0x000000);
var def_con_weight = 1.0 / 72.0;
var def_end_arrow = 2;
var dg_connector = pagedata.DirectedGraph.AddConnection(con_info.ID, from_shape, to_shape, con_info.Label, connectory_type);
dg_connector.Cells = new ShapeCells();
dg_connector.Cells.LineColor = con_info.Element.AttributeAsColor("color", def_con_color).ToFormula();
dg_connector.Cells.LineWeight = con_info.Element.AttributeAsInches("weight", def_con_weight);
dg_connector.Cells.LineEndArrow = def_end_arrow;
}
client.WriteVerbose("Rendering AutoLayout...");
}
client.WriteVerbose("Finished rendering AutoLayout");
var directedgraphs = pagedatas.Select(pagedata => pagedata.DirectedGraph).ToList();
return(directedgraphs);
}