private ModelItem FindModelItemToFocus(ModelItem itemToFocus)
{
WorkflowViewService viewService = this.WorkflowViewService;
if (viewService == null || itemToFocus == null)
{
return(itemToFocus);
}
ModelUtilities.ReverseTraverse(itemToFocus, (ModelItem modelItem) =>
{
if (modelItem == null)
{
// continue;
return(true);
}
// if the item has Designer, we assume it can get focus.
if (CanFocusOnModelItem(modelItem, viewService))
{
itemToFocus = modelItem;
// break;
return(false);
}
// continue
return(true);
});
return(itemToFocus);
}
private static SearchableEntry CreateSearchableEntryForArgumentOrVariable(ModelItem itemToFocus)
{
SearchableEntry entry = null;
ModelUtilities.ReverseTraverse(itemToFocus, (ModelItem modelItem) =>
{
entry = CreateSearchableEntryNoRecursive(modelItem);
return(entry == null);
});
return(entry);
}
internal static ModelItem ReverseFindFirst(ModelItem start, Predicate <ModelItem> matcher)
{
Fx.Assert(start != null, "start should not be null");
Fx.Assert(matcher != null, "matcher should not be null");
ModelItem result = null;
ModelUtilities.ReverseTraverse(start, (ModelItem current) =>
{
if (matcher(current))
{
result = current;
return(false);
}
return(true);
});
return(result);
}
