Julia: show/print/display methods for RefList and SymOpList

2 files changed, 21 insertions, 5 deletions

diff --git a/julia/CrystFEL/src/reflists.jl b/julia/CrystFEL/src/reflists.jl
index 09e333b6..65912e32 100644
--- a/julia/CrystFEL/src/reflists.jl
+++ b/julia/CrystFEL/src/reflists.jl
@@ -1,17 +1,21 @@
 module RefLists
 
 import ..CrystFEL: libcrystfel
-import ..CrystFEL.Symmetry: SymOpList, InternalSymOpList
-
+import ..CrystFEL.Symmetry: SymOpList, InternalSymOpList, symmetry_name
 export RefList, loadreflist
 
+
+# The internal libcrystfel structure, not exposed directly
 mutable struct InternalRefList end
 
+
+# The Julian exposed type
 mutable struct RefList
     internalptr::Ptr{InternalRefList}
     symmetry::SymOpList
 end
 
+
 function loadreflist(filename::AbstractString)
 
     psym = Ref{Cstring}()
@@ -27,4 +31,10 @@ function loadreflist(filename::AbstractString)
 
 end
 
+
+function Base.show(io::IO, ::MIME"text/plain", reflist::RefList)
+    write(io, "Reflection list in point group ", symmetry_name(reflist.symmetry))
+end
+
+
 end  # of module
diff --git a/julia/CrystFEL/src/symmetry.jl b/julia/CrystFEL/src/symmetry.jl
index eddf9a18..fd3ce7b2 100644
--- a/julia/CrystFEL/src/symmetry.jl
+++ b/julia/CrystFEL/src/symmetry.jl
@@ -2,6 +2,7 @@ module Symmetry
 
 import ..CrystFEL: libcrystfel
 export SymOpList, InternalSymOpList, InternalIntegerMatrix
+export symmetry_name
 
 
 # Types for pointers returned by libcrystfel
@@ -99,14 +100,19 @@ function Base.iterate(sym::SymOpList, i)
 end
 
 
-function Base.show(io::IO, sym::SymOpList)
-    println(io, length(sym), "-element SymOpList (\"", symmetry_name(sym), "\")")
+function Base.show(io::IO, ::MIME"text/plain", sym::SymOpList)
+    print(io, length(sym), "-element SymOpList (\"", symmetry_name(sym), "\")")
     for op in sym
-        println(io, hkl_op(op))
+        print(io, "\n", hkl_op(op))
     end
 end
 
 
+function Base.show(io::IO, sym::SymOpList)
+    write(io, "SymOpList(\"", symmetry_name(sym), "\")")
+end
+
+
 function Base.show(io::IO, op::SymOp)
     write(io, "SymOp(")
     write(io, "\"")