public void Render(IVisio.Application app)
{
var orgchartdrawing = this;
if (orgchartdrawing == null)
{
throw new System.ArgumentNullException(nameof(orgchartdrawing));
}
if (app == null)
{
throw new System.ArgumentNullException(nameof(app));
}
if (orgchartdrawing.OrgCharts.Count < 1)
{
throw new System.ArgumentException("orgchart must have at least one root");
}
foreach (var root in orgchartdrawing.OrgCharts)
{
if (root == null)
{
throw new System.ArgumentException("Org chart has root node set to null");
}
}
var ver = Application.ApplicationHelper.GetVersion(app);
int majorver = ver.Major;
bool is_visio_2013 = majorver >= 15;
const string orgchart_vst = "orgch_u.vst";
string orgchart_master_node_name = is_visio_2013 ? "Position Belt" : "Position";
const string dyncon_master_name = "Dynamic connector";
const double border_width = 0.5;
var doc_node = new Dom.Document(orgchart_vst, IVisio.VisMeasurementSystem.visMSUS);
var trees = new List <IList <Node <object> > >();
foreach (var root in orgchartdrawing.OrgCharts)
{
// Construct a layout tree from the hierarchy
var treenodes = GenTreeOps.Algorithms.CopyTree(
orgchartdrawing.OrgCharts[0],
n => n.Children,
n => this.node_to_layout_node(n),
(p, c) => p.AddChild(c));
trees.Add(treenodes);
// Perform the layout
var layout = new TreeLayout <object>();
layout.Options.Direction = this.map_direction2(this.LayoutOptions.Direction);
layout.Options.LevelSeparation = 1;
layout.Options.SiblingSeparation = 0.25;
layout.Options.SubtreeSeparation = 1;
layout.Root.AddChild(treenodes[0]);
layout.PerformLayout();
// Render the Document in Visio
var bb = layout.GetBoundingBoxOfTree();
// vis.ActiveWindow.ShowConnectPoints = 0;
var page_node = new Dom.Page();
doc_node.Pages.Add(page_node);
// fixup the nodes so that they render on the page
foreach (var i in treenodes)
{
i.Position = i.Position.Add(border_width, border_width);
}
var centerpoints = new Drawing.Point[treenodes.Count];
foreach (int i in Enumerable.Range(0, treenodes.Count))
{
centerpoints[i] = treenodes[i].Rect.Center;
}
// TODO: Add support for Left to right , Right to Left, and Bottom to Top Layouts
var vmasters = centerpoints
.Select(centerpoint => page_node.Shapes.Drop(orgchart_master_node_name, null, centerpoint))
.ToList();
// For each OrgChart object, attach the shape that corresponds to it
foreach (int i in Enumerable.Range(0, treenodes.Count))
{
var orgnode = (Node)treenodes[i].Data;
orgnode.DOMNode = vmasters[i];
vmasters[i].Cells.XFormWidth = treenodes[i].Size.Width;
vmasters[i].Cells.XFormHeight = treenodes[i].Size.Height;
}
if (this.LayoutOptions.UseDynamicConnectors)
{
var orgchart_nodes = treenodes.Select(tn => tn.Data).Cast <Node>();
foreach (var parent in orgchart_nodes)
{
foreach (var child in parent.Children)
{
var parent_shape = (Dom.BaseShape)parent.DOMNode;
var child_shape = (Dom.BaseShape)child.DOMNode;
var connector = page_node.Shapes.Connect(dyncon_master_name, null, parent_shape, child_shape);
}
}
}
else
{
foreach (var connection in layout.EnumConnections())
{
var bez = layout.GetConnectionBezier(connection);
page_node.Shapes.DrawBezier(bez);
}
}
// Set the Text Labels on each Org node
foreach (int i in Enumerable.Range(0, treenodes.Count))
{
var orgnode = (Node)treenodes[i].Data;
var shape = (Dom.BaseShape)orgnode.DOMNode;
shape.Text = new VisioAutomation.Models.Text.TextElement(orgnode.Text);
}
var page_size_with_border = bb.Size.Add(border_width * 2, border_width * 2.0);
page_node.Size = page_size_with_border;
page_node.ResizeToFit = true;
page_node.ResizeToFitMargin = new Drawing.Size(border_width * 2, border_width * 2.0);
} // finish handling root node
var doc = doc_node.Render(app);
foreach (var treenodes in trees)
{
var orgnodes = treenodes.Select(i => i.Data).Cast <Node>();
var orgnodes_with_urls = orgnodes.Where(n => n.URL != null);
var all_urls = orgnodes_with_urls.Select(n => new { orgnode = n, shape = (Dom.BaseShape)n.DOMNode, url = n.URL.Trim() });
foreach (var url in all_urls)
{
var hlink = url.orgnode.VisioShape.Hyperlinks.Add();
hlink.Name = "Row_1";
hlink.Address = url.orgnode.URL;
}
// Attach all the orgchart nodes to the Visio shapes that were created
foreach (int i in Enumerable.Range(0, treenodes.Count))
{
var orgnode = (Node)treenodes[i].Data;
var shape = (Dom.BaseShape)orgnode.DOMNode;
orgnode.VisioShape = shape.VisioShape;
}
}
}