From 72200bf3b24e46b56ab7819e090ab1bcd516b807 Mon Sep 17 00:00:00 2001
From: Susana Hahn <susuhahnml@yahoo.com.mx>
Date: Fri, 27 Oct 2023 17:56:43 -0600
Subject: [PATCH] Added functionality

---
 clingraph/clingo_utils.py   | 25 ++++++++++++++++++++-----
 examples/family_tree/viz.lp |  2 ++
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/clingraph/clingo_utils.py b/clingraph/clingo_utils.py
index 01096bc..db85e98 100644
--- a/clingraph/clingo_utils.py
+++ b/clingraph/clingo_utils.py
@@ -178,7 +178,13 @@ def color(self, option, opacity=None):
                 hex_color = f"{hex_color}{o:02d}"
         return String(hex_color)
 
+    def clinguin_fontname(self):
+        """
+        Gets the font name used in clinguin
+        """
 
+        return String("Helvetica Neue")
+    
 
 
     def __getattr__(self, name):
@@ -332,6 +338,17 @@ def _get_json(args, stdin):
 </svg>
 """
 
+def add_svg_interaction_to_string(s):
+    """
+    Adds the svg interaction script to string representation of the svg image
+
+    Args:
+        s [str]: the svg string
+    """
+    s = s.replace("#111111","currentcolor")
+    s = s[:-8]
+    s+= SVG_SCRIPT
+    return s
 
 def add_svg_interaction(paths):
     """
@@ -347,12 +364,10 @@ def add_svg_interaction(paths):
             continue
         for path in path_dic.values():
             with open(path, 'r', encoding='UTF-8') as f:
-                lines = f.readlines()
-                lines = [s.replace("#111111","currentcolor") for s in lines]
-                lines[-1] = ""
-                lines+=[s+"\n" for s in SVG_SCRIPT.split("\n")]
+                s = f.read()
+                s = add_svg_interaction_to_string(s)
             with open(path, 'w', encoding='UTF-8') as f:
-                f.writelines(lines)
+                f.write(s)
 
 ADD_IDS_PRG = """
 #defined edge/2.
diff --git a/examples/family_tree/viz.lp b/examples/family_tree/viz.lp
index 2240599..7efbd47 100644
--- a/examples/family_tree/viz.lp
+++ b/examples/family_tree/viz.lp
@@ -2,6 +2,8 @@ related(X,Y):-parent(X,Y).
 related(Y,X):-parent(X,Y).
 related(X,X):-person(X).
 
+attr(graph,default,fontname,@clinguin_fontname):-node(X).
+attr(graph_nodes,default,fontname,@clinguin_fontname):-node(X).
 node(X):-person(X).
 attr(node,X,label,@stringify(X,true)):-person(X).
 attr(node,X,style,"filled"):-node(X).