private PeptidesAndTransitionGroups GetSelectedPeptides()
{
return(PeptidesAndTransitionGroups.Get(GraphSummary.StateProvider.SelectedNodes, GraphSummary.ResultsIndex, 100));
}
[MethodImpl(MethodImplOptions.NoOptimization)] // disable optimizations in hopes of tracking down NullReferenceException
public static PeptidesAndTransitionGroups Get(IList <TreeNodeMS> selectedNodes, int resultsIndex, int maxDisplayPeptides)
{
var peptidesAndTransitionGroups = new PeptidesAndTransitionGroups();
if (!Settings.Default.AllowMultiplePeptideSelection)
{
return(peptidesAndTransitionGroups);
}
foreach (var selectedNode in selectedNodes)
{
// Add all peptides from a selected protein.
var proteinNode = selectedNode as PeptideGroupTreeNode;
if (proteinNode != null)
{
peptidesAndTransitionGroups.ProteinSelected = true;
foreach (var nodePep in proteinNode.DocNode.Molecules)
{
peptidesAndTransitionGroups.Add(new IdentityPath(proteinNode.Path, nodePep.Id), nodePep);
}
}
else
{
// Walk up the sequence tree until we find a peptide.
var node = (TreeNode)selectedNode;
while (node != null && !(node is PeptideTreeNode))
{
node = node.Parent;
}
var nodePepTree = node as PeptideTreeNode;
if (nodePepTree != null)
{
peptidesAndTransitionGroups.Add(nodePepTree.Path, nodePepTree.DocNode);
}
}
}
if (peptidesAndTransitionGroups.NodePeps.Count == 0)
{
foreach (var selectedNode in selectedNodes)
{
// Add transition groups directly.
var node = (TreeNode)selectedNode;
while (node != null && !(node is TransitionGroupTreeNode))
{
node = node.Parent;
}
if (node != null)
{
var groupTreeNode = (TransitionGroupTreeNode)node;
var pepTreeNode = (PeptideTreeNode)groupTreeNode.Parent;
if (pepTreeNode != null)
{
peptidesAndTransitionGroups.Add(pepTreeNode.Path,
pepTreeNode.DocNode,
groupTreeNode.DocNode);
}
}
}
}
peptidesAndTransitionGroups.Complete(maxDisplayPeptides, resultsIndex);
return(peptidesAndTransitionGroups);
}
