Python django.forms.widgets.CheckboxSelectMultiple() Examples

def formfield_for_manytomany(self, db_field, request, **kwargs):
        """
        Get a form Field for a ManyToManyField.
        """
        # If it uses an intermediary model that isn't auto created, don't show
        # a field in admin.
        if not db_field.remote_field.through._meta.auto_created:
            return None
        db = kwargs.get('using')

        autocomplete_fields = self.get_autocomplete_fields(request)
        if db_field.name in autocomplete_fields:
            kwargs['widget'] = AutocompleteSelectMultiple(db_field.remote_field, self.admin_site, using=db)
        elif db_field.name in self.raw_id_fields:
            kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.remote_field, self.admin_site, using=db)
        elif db_field.name in list(self.filter_vertical) + list(self.filter_horizontal):
            kwargs['widget'] = widgets.FilteredSelectMultiple(
                db_field.verbose_name,
                db_field.name in self.filter_vertical
            )

        if 'queryset' not in kwargs:
            queryset = self.get_field_queryset(db, db_field, request)
            if queryset is not None:
                kwargs['queryset'] = queryset

        form_field = db_field.formfield(**kwargs)
        if (isinstance(form_field.widget, SelectMultiple) and
                not isinstance(form_field.widget, (CheckboxSelectMultiple, AutocompleteSelectMultiple))):
            msg = _('Hold down "Control", or "Command" on a Mac, to select more than one.')
            help_text = form_field.help_text
            form_field.help_text = format_lazy('{} {}', help_text, msg) if help_text else msg
        return form_field 

def bootstrap_input_type(field):
    """
    Return input type to use for field
    """
    try:
        widget = field.field.widget
    except:
        raise ValueError("Expected a Field, got a %s" % type(field))
    input_type = getattr(widget, 'bootstrap_input_type', None)
    if input_type:
        return str(input_type)
    if isinstance(widget, TextInput):
        return u'text'
    if isinstance(widget, CheckboxInput):
        return u'checkbox'
    if isinstance(widget, CheckboxSelectMultiple):
        return u'multicheckbox'
    if isinstance(widget, RadioSelect):
        return u'radioset'
    return u'default' 

def formfield_for_manytomany(self, db_field, request=None, **kwargs):
        """
        Get a form Field for a ManyToManyField.
        """
        # If it uses an intermediary model that isn't auto created, don't show
        # a field in admin.
        if not db_field.rel.through._meta.auto_created:
            return None
        db = kwargs.get('using')

        if db_field.name in self.raw_id_fields:
            kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.rel,
                                    self.admin_site, using=db)
            kwargs['help_text'] = ''
        elif db_field.name in (list(self.filter_vertical) + list(self.filter_horizontal)):
            kwargs['widget'] = widgets.FilteredSelectMultiple(
                db_field.verbose_name,
                db_field.name in self.filter_vertical
            )

        if 'queryset' not in kwargs:
            queryset = self.get_field_queryset(db, db_field, request)
            if queryset is not None:
                kwargs['queryset'] = queryset

        form_field = db_field.formfield(**kwargs)
        if isinstance(form_field.widget, SelectMultiple) and not isinstance(form_field.widget, CheckboxSelectMultiple):
            msg = _('Hold down "Control", or "Command" on a Mac, to select more than one.')
            help_text = form_field.help_text
            form_field.help_text = string_concat(help_text, ' ', msg) if help_text else msg
        return form_field 

def formfield_for_manytomany(self, db_field, request, **kwargs):
        """
        Get a form Field for a ManyToManyField.
        """
        # If it uses an intermediary model that isn't auto created, don't show
        # a field in admin.
        if not db_field.remote_field.through._meta.auto_created:
            return None
        db = kwargs.get('using')

        autocomplete_fields = self.get_autocomplete_fields(request)
        if db_field.name in autocomplete_fields:
            kwargs['widget'] = AutocompleteSelectMultiple(db_field.remote_field, self.admin_site, using=db)
        elif db_field.name in self.raw_id_fields:
            kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.remote_field, self.admin_site, using=db)
        elif db_field.name in list(self.filter_vertical) + list(self.filter_horizontal):
            kwargs['widget'] = widgets.FilteredSelectMultiple(
                db_field.verbose_name,
                db_field.name in self.filter_vertical
            )

        if 'queryset' not in kwargs:
            queryset = self.get_field_queryset(db, db_field, request)
            if queryset is not None:
                kwargs['queryset'] = queryset

        form_field = db_field.formfield(**kwargs)
        if (isinstance(form_field.widget, SelectMultiple) and
                not isinstance(form_field.widget, (CheckboxSelectMultiple, AutocompleteSelectMultiple))):
            msg = _('Hold down "Control", or "Command" on a Mac, to select more than one.')
            help_text = form_field.help_text
            form_field.help_text = format_lazy('{} {}', help_text, msg) if help_text else msg
        return form_field 

def formfield_for_manytomany(self, db_field, request, **kwargs):
        """
        Get a form Field for a ManyToManyField.
        """
        # If it uses an intermediary model that isn't auto created, don't show
        # a field in admin.
        if not db_field.remote_field.through._meta.auto_created:
            return None
        db = kwargs.get('using')

        if db_field.name in self.raw_id_fields:
            kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.remote_field, self.admin_site, using=db)
        elif db_field.name in (list(self.filter_vertical) + list(self.filter_horizontal)):
            kwargs['widget'] = widgets.FilteredSelectMultiple(
                db_field.verbose_name,
                db_field.name in self.filter_vertical
            )

        if 'queryset' not in kwargs:
            queryset = self.get_field_queryset(db, db_field, request)
            if queryset is not None:
                kwargs['queryset'] = queryset

        form_field = db_field.formfield(**kwargs)
        if isinstance(form_field.widget, SelectMultiple) and not isinstance(form_field.widget, CheckboxSelectMultiple):
            msg = _('Hold down "Control", or "Command" on a Mac, to select more than one.')
            help_text = form_field.help_text
            form_field.help_text = format_lazy('{} {}', help_text, msg) if help_text else msg
        return form_field 

def formfield_for_manytomany(self, db_field, request=None, **kwargs):
        """
        Get a form Field for a ManyToManyField.
        """
        # If it uses an intermediary model that isn't auto created, don't show
        # a field in admin.
        if not db_field.remote_field.through._meta.auto_created:
            return None
        db = kwargs.get('using')

        if db_field.name in self.raw_id_fields:
            kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.remote_field,
                                    self.admin_site, using=db)
            kwargs['help_text'] = ''
        elif db_field.name in (list(self.filter_vertical) + list(self.filter_horizontal)):
            kwargs['widget'] = widgets.FilteredSelectMultiple(
                db_field.verbose_name,
                db_field.name in self.filter_vertical
            )

        if 'queryset' not in kwargs:
            queryset = self.get_field_queryset(db, db_field, request)
            if queryset is not None:
                kwargs['queryset'] = queryset

        form_field = db_field.formfield(**kwargs)
        if isinstance(form_field.widget, SelectMultiple) and not isinstance(form_field.widget, CheckboxSelectMultiple):
            msg = _('Hold down "Control", or "Command" on a Mac, to select more than one.')
            help_text = form_field.help_text
            form_field.help_text = string_concat(help_text, ' ', msg) if help_text else msg
        return form_field 

def formfield_for_manytomany(self, db_field, request, **kwargs):
        """
        Get a form Field for a ManyToManyField.
        """
        # If it uses an intermediary model that isn't auto created, don't show
        # a field in admin.
        if not db_field.remote_field.through._meta.auto_created:
            return None
        db = kwargs.get('using')

        if db_field.name in self.raw_id_fields:
            kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.remote_field, self.admin_site, using=db)
        elif db_field.name in (list(self.filter_vertical) + list(self.filter_horizontal)):
            kwargs['widget'] = widgets.FilteredSelectMultiple(
                db_field.verbose_name,
                db_field.name in self.filter_vertical
            )

        if 'queryset' not in kwargs:
            queryset = self.get_field_queryset(db, db_field, request)
            if queryset is not None:
                kwargs['queryset'] = queryset

        form_field = db_field.formfield(**kwargs)
        if isinstance(form_field.widget, SelectMultiple) and not isinstance(form_field.widget, CheckboxSelectMultiple):
            msg = _('Hold down "Control", or "Command" on a Mac, to select more than one.')
            help_text = form_field.help_text
            form_field.help_text = format_lazy('{} {}', help_text, msg) if help_text else msg
        return form_field 

def test_choice_iterator_passes_model_to_widget(self):
        class CustomModelChoiceValue:
            def __init__(self, value, obj):
                self.value = value
                self.obj = obj

            def __str__(self):
                return str(self.value)

        class CustomModelChoiceIterator(ModelChoiceIterator):
            def choice(self, obj):
                value, label = super().choice(obj)
                return CustomModelChoiceValue(value, obj), label

        class CustomCheckboxSelectMultiple(CheckboxSelectMultiple):
            def create_option(self, name, value, label, selected, index, subindex=None, attrs=None):
                option = super().create_option(name, value, label, selected, index, subindex=None, attrs=None)
                # Modify the HTML based on the object being rendered.
                c = value.obj
                option['attrs']['data-slug'] = c.slug
                return option

        class CustomModelMultipleChoiceField(forms.ModelMultipleChoiceField):
            iterator = CustomModelChoiceIterator
            widget = CustomCheckboxSelectMultiple

        field = CustomModelMultipleChoiceField(Category.objects.all())
        self.assertHTMLEqual(
            field.widget.render('name', []),
            '''<ul>
<li><label><input type="checkbox" name="name" value="%d" data-slug="entertainment">Entertainment</label></li>
<li><label><input type="checkbox" name="name" value="%d" data-slug="test">A test</label></li>
<li><label><input type="checkbox" name="name" value="%d" data-slug="third-test">Third</label></li>
</ul>''' % (self.c1.pk, self.c2.pk, self.c3.pk),
        ) 

def test_num_queries(self):
        """
        Widgets that render multiple subwidgets shouldn't make more than one
        database query.
        """
        categories = Category.objects.all()

        class CategoriesForm(forms.Form):
            radio = forms.ModelChoiceField(queryset=categories, widget=forms.RadioSelect)
            checkbox = forms.ModelMultipleChoiceField(queryset=categories, widget=forms.CheckboxSelectMultiple)

        template = Template(
            '{% for widget in form.checkbox %}{{ widget }}{% endfor %}'
            '{% for widget in form.radio %}{{ widget }}{% endfor %}'
        )
        with self.assertNumQueries(2):
            template.render(Context({'form': CategoriesForm()})) 

def test_choice_iterator_passes_model_to_widget(self):
        class CustomModelChoiceValue:
            def __init__(self, value, obj):
                self.value = value
                self.obj = obj

            def __str__(self):
                return str(self.value)

        class CustomModelChoiceIterator(ModelChoiceIterator):
            def choice(self, obj):
                value, label = super().choice(obj)
                return CustomModelChoiceValue(value, obj), label

        class CustomCheckboxSelectMultiple(CheckboxSelectMultiple):
            def create_option(self, name, value, label, selected, index, subindex=None, attrs=None):
                option = super().create_option(name, value, label, selected, index, subindex=None, attrs=None)
                # Modify the HTML based on the object being rendered.
                c = value.obj
                option['attrs']['data-slug'] = c.slug
                return option

        class CustomModelMultipleChoiceField(forms.ModelMultipleChoiceField):
            iterator = CustomModelChoiceIterator
            widget = CustomCheckboxSelectMultiple

        field = CustomModelMultipleChoiceField(Category.objects.all())
        self.assertHTMLEqual(
            field.widget.render('name', []),
            '''<ul>
<li><label><input type="checkbox" name="name" value="%d" data-slug="entertainment">Entertainment</label></li>
<li><label><input type="checkbox" name="name" value="%d" data-slug="test">A test</label></li>
<li><label><input type="checkbox" name="name" value="%d" data-slug="third-test">Third</label></li>
</ul>''' % (self.c1.pk, self.c2.pk, self.c3.pk),
        ) 

def test_num_queries(self):
        """
        Widgets that render multiple subwidgets shouldn't make more than one
        database query.
        """
        categories = Category.objects.all()

        class CategoriesForm(forms.Form):
            radio = forms.ModelChoiceField(queryset=categories, widget=forms.RadioSelect)
            checkbox = forms.ModelMultipleChoiceField(queryset=categories, widget=forms.CheckboxSelectMultiple)

        template = Template(
            '{% for widget in form.checkbox %}{{ widget }}{% endfor %}'
            '{% for widget in form.radio %}{{ widget }}{% endfor %}'
        )
        with self.assertNumQueries(2):
            template.render(Context({'form': CategoriesForm()}))