/// <summary>
/// Gets the number of the page a node is contained in.
/// </summary>
/// <param name="node">The node to get the page number for.</param>
/// <returns>The page number, or -1 if the node is not part of any page.</returns>
private int GetPageNumber(INode node)
{
MultiPageIGraphBuilder.NodeData nodeData =
GetCurrentGraph().MapperRegistry.GetMapper <INode, MultiPageIGraphBuilder.NodeData>(
MultiPageIGraphBuilder.MapperKeyNodeData)[node];
return(nodeData != null ? nodeData.PageNumber : -1);
}
/// <summary>
/// "Jump" to a referencing node of a clicked auxiliary multi-page node.
/// </summary>
/// <param name="viewNode">The multi page node that has been clicked</param>
private void GotoReferencingNode(INode viewNode)
{
IGraph graph = GetCurrentGraph();
// get the ID of the referencing node
MultiPageIGraphBuilder.NodeData nodeData = graph.MapperRegistry.GetMapper <INode, MultiPageIGraphBuilder.NodeData>(MultiPageIGraphBuilder.MapperKeyNodeData)[viewNode];
if (nodeData != null && nodeData.IsReferenceNode)
{
var referencedNode = nodeData.ReferencedNode;
if (referencedNode != null)
{
int targetPage = GetPageNumber(referencedNode);
// open the page and center on the referencing node
if (IsPageNumberValid(targetPage))
{
SetPageNumber(targetPage, referencedNode);
}
}
}
}