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fieldset form for django
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| from django import forms | |
| from django.forms.forms import BoundField | |
| from django.utils.datastructures import SortedDict | |
| class BoundFieldset(object): | |
| def __init__(self, form, name, title, fields, is_fieldset): | |
| self.form = form | |
| self.name = name | |
| self.title = title | |
| self.fields = fields | |
| self.is_fieldset = is_fieldset | |
| def __iter__(self): | |
| for name, field in self.fields.items(): | |
| yield BoundField(self.form, field, name) | |
| class FieldsetForm(forms.Form): | |
| """ | |
| Form with fieldsets. | |
| Usage. In `forms.py`: | |
| class MyForm(FieldsetForm): | |
| email = forms.CharField() | |
| first_name = forms.CharField() | |
| last_name = forms.CharField() | |
| about = forms.CharField(widget=forms.Textarea) | |
| fieldsets = ( | |
| { | |
| "name": "required", | |
| "title": u"required fields", | |
| "is_fieldset": True, | |
| "fields": ['email', 'first_name', 'last_name'] | |
| },{ | |
| "name": "optional", | |
| "title": u"optional fields", | |
| "is_fieldset": True, | |
| "fields": ['about'] | |
| } | |
| ) | |
| In template: | |
| {% for fieldset in form %} | |
| {% if fieldset.is_fiedset %} | |
| <fieldset> | |
| {{fieldset.title}} | |
| {% endif %} | |
| {% for field in fieldset %} | |
| {% if not field.is_hidden %} | |
| {{field.label_tag}} | |
| {% endif %} | |
| {% if field.help_text %} | |
| {{field.help_text}} | |
| {% endif %} | |
| {{field}} | |
| {{field.errors}} | |
| {% endfor %} | |
| {% if fieldset.is_fiedset %} | |
| </fieldset> | |
| {% endif %} | |
| {% endfor %} | |
| """ | |
| def __init__(self, *args, **kwargs): | |
| super(FieldsetForm, self).__init__(*args, **kwargs) | |
| self._fieldset_fields = {} | |
| # create matches between fieldset names and form fields | |
| for name, field in self.fields.items(): | |
| for fieldset in self.fieldsets: | |
| fieldset_name = fieldset.get("name") | |
| if name in fieldset.get('fields', []): | |
| if fieldset_name not in self._fieldset_fields: | |
| self._fieldset_fields[fieldset_name] = SortedDict() | |
| self._fieldset_fields[fieldset_name][name] = field | |
| def __iter__(self): | |
| for fieldset in self.fieldsets: | |
| name = fieldset.get("name") | |
| title = fieldset.get("title", name) | |
| fields = self._fieldset_fields.get(name, SortedDict()) | |
| is_fieldset = fieldset.get("is_fieldset", True) | |
| yield BoundFieldset(self, name, title, fields, is_fieldset) |
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