Implemented _cell_value helper method

holoviews/plotting/mpl/tabular.py

@@ -77,6 +77,20 @@ def _format_table(self):
         return cell_widths
 
 
+    def _cell_value(self, element, row, col):
+        summarize = element.rows > self.max_rows
+        half_rows = self.max_rows//2
+        rows = min([self.max_rows, element.rows])
+        if summarize and row == half_rows:
+            cell_text = "..."
+        else:
+            if summarize and row > half_rows:
+                row = (element.rows - self.max_rows + row)
+            value = element.pprint_cell(row, col)
+            cell_text = self.pprint_value(value)
+        return cell_text
+
+
     def pprint_value(self, value):
         """
         Generate the pretty printed representation of a value for
@@ -115,7 +129,7 @@ def initialize_plot(self, ranges=None):
             for col in range(element.cols):
                 if summarize and row > half_rows:
                     adjusted_row = (element.rows - self.max_rows + row)
-                cell_value = self.pprint_value(element.pprint_cell(row, col))
+                cell_value = self._cell_value(element, row, col)
                 cellfont = self.font_types.get(element.cell_type(adjusted_row,col), None)
                 width = self.cell_widths[col] / float(total_width)
                 font_kwargs = dict(fontproperties=cellfont) if cellfont else {}
@@ -135,7 +149,7 @@ def update_handles(self, key, axis, element, ranges, style):
         table = self.handles['artist']
 
         for coords, cell in table.get_celld().items():
-            value = self.pprint_value(element.pprint_cell(*coords))
+            value = self._cell_value(element, *coords)
             cell.set_text_props(text=value)
 
         # Resize fonts across table as necessary