Here's the patch. I adds an onrender property to Field which is called from
the widget method of all default widgets.
On Saturday, August 24, 2013 6:42:49 PM UTC-5, mr.freeze wrote:
>
> Ideally, I wouldn't set the class via a script, that was just a hack. I
> would like to alter the field after its default widget is rendered. I have
> a patch that allows you to do this. Thoughts?:
> def add_required(elm):
> elm['_class'] += ' required'
> db.mytable.myfield.onrender = add_required
>
>
>
> On Saturday, August 24, 2013 6:22:22 PM UTC-5, Massimo Di Pierro wrote:
>>
>> Nice idea. But why put it in a comment?
>>
>> script = ''
>> for table in db:
>> for field in table:
>> if field.required:
>> script += 'jQuery("#%s_%s").attr("required","")' % (
>> field._tablename,field.name)
>>
>> You can then cache the script and place in the layout.
>>
>> Massimo
>>
>>
>>
>> On Saturday, 24 August 2013 17:37:48 UTC-5, mr.freeze wrote:
>>>
>>> I want to take advantage of bootstrap's form validation classes so I
>>> need to add a class to the field. Too bad there's not a hook into when a
>>> Field's widget is rendered so you can manipulate it. Would you take a patch
>>> for that? I can work around it with your method in the meantime:
>>> for t in db.tables:
>>> for f in db[t].fields:
>>> if db[t][f].required:
>>> db[t][f].comment = SCRIPT(
>>> 'jQuery("#%s_%s").attr("required","")' % (t,f))
>>>
>>>
>>> On Saturday, August 24, 2013 4:29:47 PM UTC-5, Massimo Di Pierro wrote:
>>>>
>>>> You could use something like:
>>>>
>>>> db.table.field.comment = 'required'
>>>>
>>>> or
>>>>
>>>> for field in db.table:
>>>> if field.required:
>>>> field.comment='required'
>>>>
>>>>
>>>> On Saturday, 24 August 2013 09:36:16 UTC-5, mr.freeze wrote:
>>>>>
>>>>> I want to show users which fields are required *before* they submit a
>>>>> form. Before I reinvent the wheel, is there a mechanism for adding a
>>>>> "required" class to fields that have IS_NOT_EMPTY or required=True
>>>>> already
>>>>> built into web2py?
>>>>>
>>>>> Thanks,
>>>>> Nathan
>>>>>
>>>>
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Index: gluon/sqlhtml.py
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- gluon/sqlhtml.py (revision 301d44914787749fdd9ec012de67bae1b4fc0756)
+++ gluon/sqlhtml.py (revision )
@@ -169,10 +169,11 @@
value=(not value is None and str(value)) or '',
)
attr = cls._attributes(field, default, **attributes)
+ inp = INPUT(**attr)
+ if field.onrender: field.onrender(inp)
+ return inp
- return INPUT(**attr)
-
class IntegerWidget(StringWidget):
_class = 'integer'
@@ -208,7 +209,9 @@
default = dict(value=value)
attr = cls._attributes(field, default, **attributes)
- return TEXTAREA(**attr)
+ inp = TEXTAREA(**attr)
+ if field.onrender: field.onrender(inp)
+ return inp
class JSONWidget(FormWidget):
_class = 'json'
@@ -225,7 +228,9 @@
value = serializers.json(value)
default = dict(value=value)
attr = cls._attributes(field, default, **attributes)
- return TEXTAREA(**attr)
+ inp = TEXTAREA(**attr)
+ if field.onrender: field.onrender(inp)
+ return inp
class BooleanWidget(FormWidget):
_class = 'boolean'
@@ -241,7 +246,9 @@
default = dict(_type='checkbox', value=value)
attr = cls._attributes(field, default,
**attributes)
- return INPUT(**attr)
+ inp = INPUT(**attr)
+ if field.onrender: field.onrender(inp)
+ return inp
class OptionsWidget(FormWidget):
@@ -277,7 +284,9 @@
raise SyntaxError(
'widget cannot determine options of %s' % field)
opts = [OPTION(v, _value=k) for (k, v) in options]
- return SELECT(*opts, **attr)
+ inp = SELECT(*opts, **attr)
+ if field.onrender: field.onrender(inp)
+ return inp
class ListWidget(StringWidget):
@@ -300,7 +309,9 @@
attributes['_id'] = _id + '_grow_input'
attributes['_style'] = 'list-style:none'
attributes['_class'] = 'w2p_list'
- return TAG[''](UL(*items, **attributes))
+ inp = TAG[''](UL(*items, **attributes))
+ if field.onrender: field.onrender(inp)
+ return inp
class MultipleOptionsWidget(OptionsWidget):
@@ -382,7 +393,9 @@
if opts:
opts[-1][0][0]['hideerror'] = False
- return parent(*opts, **attr)
+ inp = parent(*opts, **attr)
+ if field.onrender: field.onrender(inp)
+ return inp
class CheckboxesWidget(OptionsWidget):
@@ -453,7 +466,9 @@
_disabled="disabled",
_name=field.name,
hideerror=False))
- return parent(*opts, **attr)
+ inp = parent(*opts, **attr)
+ if field.onrender: field.onrender(inp)
+ return inp
class PasswordWidget(FormWidget):
@@ -485,8 +500,9 @@
if is_strong:
attr['_data-w2p_entropy'] = is_strong[0].entropy if is_strong[0].entropy else "null"
# end entropy check
- output = INPUT(**attr)
- return output
+ inp = INPUT(**attr)
+ if field.onrender: field.onrender(inp)
+ return inp
class UploadWidget(FormWidget):
@@ -547,6 +563,7 @@
A(cls.GENERIC_DESCRIPTION, _href=url),
']', _style='white-space:nowrap'),
br, image)
+ if field.onrender: field.onrender(inp)
return inp
@classmethod
Index: gluon/dal.py
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- gluon/dal.py (revision 301d44914787749fdd9ec012de67bae1b4fc0756)
+++ gluon/dal.py (revision )
@@ -9410,6 +9410,7 @@
required=False,
requires=DEFAULT,
ondelete='CASCADE',
+ onrender=None,
notnull=False,
unique=False,
uploadfield=True,
@@ -9448,6 +9449,7 @@
self.default = default if default!=DEFAULT else (update or None)
self.required = required # is this field required
self.ondelete = ondelete.upper() # this is for reference fields only
+ self.onrender = onrender
self.notnull = notnull
self.unique = unique
self.uploadfield = uploadfield
