tbl: add Table.table_direction setter

HISTORY.rst

@@ -8,6 +8,7 @@ NEXT
 
 - Fix #149: KeyError on Document.add_table()
 - Fix #78: feature: add_table() sets cell widths
+- Add #106: feature: Table.direction (i.e. right-to-left)
 
 
 0.8.4 (2015-02-20)

docx/oxml/table.py

@@ -73,6 +73,14 @@ def bidiVisual_val(self):
             return None
         return bidiVisual.val
 
+    @bidiVisual_val.setter
+    def bidiVisual_val(self, value):
+        tblPr = self.tblPr
+        if value is None:
+            tblPr._remove_bidiVisual()
+        else:
+            tblPr.get_or_add_bidiVisual().val = value
+
     @property
     def col_count(self):
         """

docx/table.py

@@ -154,6 +154,10 @@ def table_direction(self):
         """
         return self._element.bidiVisual_val
 
+    @table_direction.setter
+    def table_direction(self, value):
+        self._element.bidiVisual_val = value
+
     @property
     def _cells(self):
         """

features/tbl-props.feature

@@ -66,7 +66,6 @@ Feature: Get and set table properties
       | left-to-right | LTR   |
 
 
-  @wip
   Scenario Outline: Set table direction
     Given a table having table direction set <setting>
      When I assign <new-value> to table.table_direction

tests/test_table.py

@@ -95,6 +95,11 @@ def it_knows_its_direction(self, direction_get_fixture):
         table, expected_value = direction_get_fixture
         assert table.table_direction == expected_value
 
+    def it_can_change_its_direction(self, direction_set_fixture):
+        table, new_value, expected_xml = direction_set_fixture
+        table.table_direction = new_value
+        assert table._element.xml == expected_xml
+
     def it_knows_its_table_style(self, style_get_fixture):
         table, style_id_, style_ = style_get_fixture
         style = table.style
@@ -239,6 +244,22 @@ def direction_get_fixture(self, request):
         table = Table(element(tbl_cxml), None)
         return table, expected_value
 
+    @pytest.fixture(params=[
+        ('w:tbl/w:tblPr',                       WD_TABLE_DIRECTION.RTL,
+         'w:tbl/w:tblPr/w:bidiVisual'),
+        ('w:tbl/w:tblPr/w:bidiVisual',          WD_TABLE_DIRECTION.LTR,
+         'w:tbl/w:tblPr/w:bidiVisual{w:val=0}'),
+        ('w:tbl/w:tblPr/w:bidiVisual{w:val=0}', WD_TABLE_DIRECTION.RTL,
+         'w:tbl/w:tblPr/w:bidiVisual'),
+        ('w:tbl/w:tblPr/w:bidiVisual{w:val=1}', None,
+         'w:tbl/w:tblPr'),
+    ])
+    def direction_set_fixture(self, request):
+        tbl_cxml, new_value, expected_cxml = request.param
+        table = Table(element(tbl_cxml), None)
+        expected_xml = xml(expected_cxml)
+        return table, new_value, expected_xml
+
     @pytest.fixture
     def row_cells_fixture(self, _cells_, _column_count_):
         table = Table(None, None)