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  • Kenny Burns 173 posts 305 karma points
    Jul 17, 2014 @ 14:28
    Kenny Burns
    0

    Override Tree - MNTP/DAMP Issue

    Hi all,

    I am trying to override the basetree (media) which is written out in various places in the back office (media section, image pickers etc...) and I am doing it through the ApplicationEventHandler:

    BaseTree.BeforeTreeRender += BaseTree_BeforeTreeRender;

    private void BaseTree_BeforeTreeRender(object sender, TreeEventArgs e)
        {
            //do stuff here to filter tree...
        }

    This is all working great as expected - however the trees within the multinode tree picker and digibiz advanced media picker are not filtering - i'm guessing they are not using the basetree? Is there any way to do somethign similar for the multinode tree picker - i read somewhere DAMP uses the same method?

    Thanks,

    Kenny

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  • Kenny Burns 173 posts 305 karma points
    Jul 17, 2014 @ 15:49
    Kenny Burns
    100

    Hi All - 

    Solved it - here it is, in case anyone else needs it - and so I can remember it in future! This allows you to filter all trees, showing only the nodes you want.

    BaseTree.AfterTreeRender += BaseTree_AfterTreeRender;

     

    private void BaseTree_AfterTreeRender(object sender, TreeEventArgs e)
            {          
                var nodesToRemoveFromTree = new List<XmlTreeNode>();
                var ms = ApplicationContext.Current.Services.MediaService;
                foreach (var node in e.Tree.treeCollection)
                {
                   if (node.NodeType == "media" || node.NodeType == "DigibizMediaTree")
                    {
                        var content = ms.GetById(Convert.ToInt32(node.NodeID));
                        if (//do your logic)
                        {
                          nodesToRemoveFromTree.Add(node);                        
                        }
                    }
                }
     
               foreach (var treeItem in nodesToRemoveFromTree)
               {
                   e.Tree.Remove(treeItem);
               }
            }
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