/// <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>
/// Checks if this module depends on the specified add-in.
/// </summary>
/// <returns>
/// <c>true</c> if there is a dependency.
/// </returns>
/// <param name='addinId'>
/// Identifier of the add-in
/// </param>
public bool DependsOnAddin(string addinId)
{
AddinDescription desc = Parent as AddinDescription;
if (desc == null)
{
throw new InvalidOperationException();
}
foreach (Dependency dep in Dependencies)
{
AddinDependency adep = dep as AddinDependency;
if (adep == null)
{
continue;
}
if (Addin.GetFullId(desc.Namespace, adep.AddinId, adep.Version) == addinId)
{
return(true);
}
}
return(false);
}
