public void SelectComponent(ParameterStructure.Component.Component _comp)
{
if (_comp == null)
{
return;
}
// deselect all
this.DeselectAllNodes();
// starts w top-level parent and ends with _comp
List <ParameterStructure.Component.Component> parent_chain = this.CompFactory.GetParentComponentChain(_comp);
List <long> parent_id_chain = parent_chain.Select(x => x.ID).ToList();
if (parent_id_chain.Count < 1)
{
return;
}
foreach (object child in this.Children)
{
ComponentVisualization cv = child as ComponentVisualization;
if (cv == null)
{
continue;
}
if (cv.VisID == parent_id_chain[0])
{
cv.SelectChild(parent_id_chain);
break;
}
}
}
// the id_chain starts with the parent on a higher hierarchy level and ends with the child to be selected
internal void SelectChild(List <long> _id_chain)
{
if (_id_chain == null)
{
return;
}
if (_id_chain.Count < 1)
{
return;
}
long current_id = _id_chain[0];
if (this.VisID != current_id)
{
return;
}
long target_id = _id_chain[_id_chain.Count - 1];
if (!this.IsUserManipulatable)
{
this.IsUserManipulatable = true;
}
// recursion end
if (this.VisID == target_id)
{
this.to_be_expanded_chain = null;
this.VisState |= NodeVisHighlight.Selected;
this.BringIntoView();
return;
}
// go deeper
List <long> id_chain_rest = new List <long>(_id_chain);
id_chain_rest.Remove(current_id);
if (id_chain_rest.Count < 1)
{
return;
}
if (this.IsExpanded)
{
foreach (NodeVisualization nv in this.node_children)
{
ComponentVisualization cv = nv as ComponentVisualization;
if (cv == null)
{
continue;
}
cv.SelectChild(id_chain_rest);
}
}
else
{
this.IsExpanded = true;
foreach (NodeVisualization nv in this.node_children)
{
ComponentVisualization cv = nv as ComponentVisualization;
if (cv == null)
{
continue;
}
if (cv.VisID == id_chain_rest[0])
{
cv.to_be_expanded_chain = id_chain_rest;
}
// the logic is completed and called recursively in the Loaded event handler
// because expansion/selection can only be completed after the respective node has been loaded
}
}
}