/// <summary>
/// Gets the type of the node.
/// </summary>
/// <returns>
/// The node type.
/// </returns>
/// <remarks>
/// This method only works when the add-in description to which the node belongs has been
/// loaded from an add-in registry.
/// </remarks>
public ExtensionNodeType GetNodeType()
{
if (Parent is Extension)
{
Extension ext = (Extension)Parent;
object ob = ext.GetExtendedObject();
if (ob is ExtensionPoint)
{
ExtensionPoint ep = (ExtensionPoint)ob;
return(ep.NodeSet.GetAllowedNodeTypes() [NodeName]);
}
else if (ob is ExtensionNodeDescription)
{
ExtensionNodeDescription pn = (ExtensionNodeDescription)ob;
ExtensionNodeType pt = ((ExtensionNodeDescription)pn).GetNodeType();
if (pt != null)
{
return(pt.GetAllowedNodeTypes() [NodeName]);
}
}
}
else if (Parent is ExtensionNodeDescription)
{
ExtensionNodeType pt = ((ExtensionNodeDescription)Parent).GetNodeType();
if (pt != null)
{
return(pt.GetAllowedNodeTypes() [NodeName]);
}
}
return(null);
}
internal void MergeWith(string thisAddinId, ExtensionPoint ep)
{
NodeSet.MergeWith(thisAddinId, ep.NodeSet);
foreach (ConditionTypeDescription cond in ep.Conditions)
{
if (cond.AddinId != thisAddinId && !Conditions.Contains(cond))
{
Conditions.Add(cond);
}
}
foreach (string s in ep.Addins)
{
if (!Addins.Contains(s))
{
Addins.Add(s);
}
}
}
/// <summary>
/// Gets the object extended by this extension
/// </summary>
/// <returns>
/// The extended object can be an <see cref="ExtensionPoint"/> or
/// an <see cref="ExtensionNodeDescription"/>.
/// </returns>
/// <remarks>
/// This method only works when the add-in description to which the extension belongs has been
/// loaded from an add-in registry.
/// </remarks>
public ObjectDescription GetExtendedObject()
{
AddinDescription desc = ParentAddinDescription;
if (desc == null)
{
return(null);
}
ExtensionPoint ep = FindExtensionPoint(desc, path);
if (ep == null && desc.OwnerDatabase != null)
{
foreach (Dependency dep in desc.MainModule.Dependencies)
{
AddinDependency adep = dep as AddinDependency;
if (adep == null)
{
continue;
}
Addin ad = desc.OwnerDatabase.GetInstalledAddin(ParentAddinDescription.Domain, adep.FullAddinId);
if (ad != null && ad.Description != null)
{
ep = FindExtensionPoint(ad.Description, path);
if (ep != null)
{
break;
}
}
}
}
if (ep != null)
{
string subp = path.Substring(ep.Path.Length).Trim('/');
if (subp.Length == 0)
{
return(ep); // The extension is directly extending the extension point
}
// The extension is extending a node of the extension point
return(desc.FindExtensionNode(path, true));
}
return(null);
}
/// <summary>
/// Copies another extension point.
/// </summary>
/// <param name='ep'>
/// Extension point from which to copy.
/// </param>
public void CopyFrom(ExtensionPoint ep)
{
path = ep.path;
name = ep.name;
defaultInsertBefore = ep.defaultInsertBefore;
defaultInsertAfter = ep.defaultInsertAfter;
description = ep.description;
NodeSet.CopyFrom(ep.NodeSet);
Conditions.Clear();
foreach (ConditionTypeDescription cond in ep.Conditions)
{
ConditionTypeDescription cc = new ConditionTypeDescription();
cc.CopyFrom(cond);
Conditions.Add(cc);
}
Addins.Clear();
foreach (string s in ep.Addins)
{
Addins.Add(s);
}
rootAddin = ep.rootAddin;
}
/// <summary>
/// Gets the node types allowed in this extension.
/// </summary>
/// <returns>
/// The allowed node types.
/// </returns>
/// <remarks>
/// This method only works when the add-in description to which the extension belongs has been
/// loaded from an add-in registry.
/// </remarks>
public ExtensionNodeTypeCollection GetAllowedNodeTypes()
{
ObjectDescription ob = GetExtendedObject();
ExtensionPoint ep = ob as ExtensionPoint;
if (ep != null)
{
return(ep.NodeSet.GetAllowedNodeTypes());
}
ExtensionNodeDescription node = ob as ExtensionNodeDescription;
if (node != null)
{
ExtensionNodeType nt = node.GetNodeType();
if (nt != null)
{
return(nt.GetAllowedNodeTypes());
}
}
return(new ExtensionNodeTypeCollection());
}
