Use bootstrap for grid layout

sapl/layout.py

@@ -1,15 +1,15 @@
-from crispy_forms_foundation.layout import (HTML, Column, Div, Fieldset,
-                                            Layout, Row, Submit)
+from crispy_forms.bootstrap import FormActions
+from crispy_forms.layout import Submit, Layout, Div, Fieldset, HTML
 from django.utils.translation import ugettext as _
 
 
 def to_column(name_span):
     fieldname, span = name_span
-    return Column(fieldname, css_class='large-%d' % span)
+    return Div(fieldname, css_class='col-sm-%d' % span)
 
 
 def to_row(names_spans):
-    return Row(*list(map(to_column, names_spans)))
+    return Div(*map(to_column, names_spans), css_class='row-fluid')
 
 
 def to_fieldsets(fields):
@@ -25,13 +25,9 @@ def to_fieldsets(fields):
 class SaplFormLayout(Layout):
 
     def __init__(self, *fields):
-        buttons = Div(
+        buttons = FormActions(
+            Submit('save', _('Enviar'), css_class='btn btn-primary '),
             HTML('<a href="{{ view.cancel_url }}"'
-                 ' class="button radius alert">%s</a>' % _('Cancelar')),
-            Submit('submit', _('Enviar'),
-                   css_class='button radius success right'),
-            css_class='radius clearfix'
-        )
-        _fields = list(to_fieldsets(fields)) + \
-            [Row(Column(buttons, css_class='clearfix'))]
+                 ' class="btn btn-inverse">%s</a>' % _('Cancelar')))
+        _fields = list(to_fieldsets(fields)) + [to_row([(buttons, 12)])]
         super(SaplFormLayout, self).__init__(*_fields)