widgets: add TextArea, that caches rows/cols until rendering

2 files changed, 16 insertions, 1 deletions

diff --git a/forms.py b/forms.py
index 844bf16..c19a699 100644
--- a/forms.py
+++ b/forms.py
@@ -3,6 +3,7 @@ from utils import Unique
 from models import Group
 from wtfpeewee.orm import model_form
 from flask.ext.wtf import Form
+from widgets import TextArea
 
 
 CreateGroup = model_form(Group, base_class=Form, exclude=['api_id'], field_args={
@@ -13,7 +14,9 @@ CreateGroup = model_form(Group, base_class=Form, exclude=['api_id'], field_args=
         validators.Regexp('^[a-zA-Z1-9]', message=u'Group name should not '
             'start with a special character.'),
         Unique(Group, Group.name, message=u'A group with this name '
-            'already exists.')]}})
+            'already exists.')]
+    },
+    'description': {'widget': TextArea(rows=7)}})
 
 
 class DeleteGroup(Form):
diff --git a/widgets.py b/widgets.py
new file mode 100644
index 0000000..77f3650
--- /dev/null
+++ b/widgets.py
@@ -0,0 +1,12 @@
+import wtforms.widgets.core
+
+
+class TextArea(wtforms.widgets.core.TextArea):
+    def __init__(self, **kwargs):
+        self.kwargs = kwargs
+
+    def __call__(self, field, **kwargs):
+        for arg in self.kwargs:
+            if arg not in kwargs:
+                kwargs[arg] = self.kwargs[arg]
+        return super(TextArea, self).__call__(field, **kwargs)