Ticket #4412: 4412.diff

django/db/models/base.py

@@ -317 +317 @@
-
-    def _get_FIELD_display(self, field):
-        value = getattr(self, field.attname)
-
+
+
+
+
+
+
+
-
-    def _get_next_or_previous_by_FIELD(self, field, is_next, **kwargs):
-        op = is_next and '>' or '<'

django/newforms/fields.py

@@ -427 +427 @@
-        value = smart_unicode(value)
-        if value == u'':
-            return value
-
+
+
+
+
+
+
+
-        if value not in valid_values:
-            raise ValidationError(gettext(u'Select a valid choice. That choice is not one of the available choices.'))
-        return value
@@ -451 +457 @@
-            val = smart_unicode(val)
-            new_value.append(val)
-        # Validate that each value in the value list is in self.choices.
-
+
+
+
+
+
+
+
-        for val in new_value:
-            if val not in valid_values:
-                raise ValidationError(gettext(u'Select a valid choice. %s is not one of the available choices.') % val)

django/newforms/widgets.py

@@ -169 +169 @@
-        output = [u'<select%s>' % flatatt(final_attrs)]
-        str_value = smart_unicode(value) # Normalize to string.
-        for option_value, option_label in chain(self.choices, choices):
+            if type(option_label) == list or type(option_label) == tuple:
+                output.append(u'<optgroup label="%s">' % escape(smart_unicode(option_value)))
+                for group_option_value, group_option_label in option_label:
+                    group_option_value = smart_unicode(group_option_value)
+                    selected_html = (group_option_value == str_value) and u' selected="selected"' or ''
+                    output.append(u'<option value="%s"%s>%s</option>' % (escape(group_option_value), selected_html, escape(smart_unicode(group_option_label))))
+                output.append(u'</optgroup>')
+                continue
-            option_value = smart_unicode(option_value)
-            selected_html = (option_value == str_value) and u' selected="selected"' or ''
-            output.append(u'<option value="%s"%s>%s</option>' % (escape(option_value), selected_html, escape(smart_unicode(option_label))))
@@ -206 +214 @@
-        output = [u'<select multiple="multiple"%s>' % flatatt(final_attrs)]
-        str_values = set([smart_unicode(v) for v in value]) # Normalize to strings.
-        for option_value, option_label in chain(self.choices, choices):
+            if type(option_label) == list or type(option_label) == tuple:
+                output.append(u'<optgroup label="%s">' % escape(smart_unicode(option_value)))
+                for group_option_value, group_option_label in option_label:
+                    group_option_value = smart_unicode(group_option_value)
+                    selected_html = (group_option_value in str_values) and ' selected="selected"' or ''
+                    output.append(u'<option value="%s"%s>%s</option>' % (escape(group_option_value), selected_html, escape(smart_unicode(group_option_label))))
+                output.append(u'</optgroup>')
+                continue
-            option_value = smart_unicode(option_value)
-            selected_html = (option_value in str_values) and ' selected="selected"' or ''
-            output.append(u'<option value="%s"%s>%s</option>' % (escape(option_value), selected_html, escape(smart_unicode(option_label))))

tests/regressiontests/forms/tests.py

@@ -392 +392 @@
-<option value="4">4</option>
-</select>
-
+Choices can be nested one level in order to create HTML optgroups:
+>>> w = Select(choices=(('outer1', 'Outer 1'), ('Group 1', (('inner1', 'Inner 1'), ('inner2', 'Inner 2')))))
+>>> print w.render('nestchoice', None)
+<select name="nestchoice">
+<option value="outer1">Outer 1</option>
+<optgroup label="Group 1">
+<option value="inner1">Inner 1</option>
+<option value="inner2">Inner 2</option>
+</optgroup>
+</select>
+>>> print w.render('nestchoice', 'outer1')
+<select name="nestchoice">
+<option value="outer1" selected="selected">Outer 1</option>
+<optgroup label="Group 1">
+<option value="inner1">Inner 1</option>
+<option value="inner2">Inner 2</option>
+</optgroup>
+</select>
+>>> print w.render('nestchoice', 'inner1')
+<select name="nestchoice">
+<option value="outer1">Outer 1</option>
+<optgroup label="Group 1">
+<option value="inner1" selected="selected">Inner 1</option>
+<option value="inner2">Inner 2</option>
+</optgroup>
+</select>
+
-# NullBooleanSelect Widget ####################################################
-
->>> w = NullBooleanSelect()
@@ -533 +560 @@
->>> w.render('nums', ['ŠĐĆŽćžšđ'], choices=[('ŠĐĆŽćžšđ', 'ŠĐabcĆŽćžšđ'), ('ćžšđ', 'abcćžšđ')])
-u'<select multiple="multiple" name="nums">\n<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" selected="selected">\u0160\u0110abc\u0106\u017d\u0107\u017e\u0161\u0111</option>\n<option value="\u0107\u017e\u0161\u0111">abc\u0107\u017e\u0161\u0111</option>\n</select>'
-
+Choices can be nested one level in order to create HTML optgroups:
+>>> w = SelectMultiple(choices=(('outer1', 'Outer 1'), ('Group 1', (('inner1', 'Inner 1'), ('inner2', 'Inner 2')))))
+>>> print w.render('nestchoice', None)
+<select multiple="multiple" name="nestchoice">
+<option value="outer1">Outer 1</option>
+<optgroup label="Group 1">
+<option value="inner1">Inner 1</option>
+<option value="inner2">Inner 2</option>
+</optgroup>
+</select>
+>>> print w.render('nestchoice', ['outer1'])
+<select multiple="multiple" name="nestchoice">
+<option value="outer1" selected="selected">Outer 1</option>
+<optgroup label="Group 1">
+<option value="inner1">Inner 1</option>
+<option value="inner2">Inner 2</option>
+</optgroup>
+</select>
+>>> print w.render('nestchoice', ['inner1'])
+<select multiple="multiple" name="nestchoice">
+<option value="outer1">Outer 1</option>
+<optgroup label="Group 1">
+<option value="inner1" selected="selected">Inner 1</option>
+<option value="inner2">Inner 2</option>
+</optgroup>
+</select>
+>>> print w.render('nestchoice', ['outer1', 'inner2'])
+<select multiple="multiple" name="nestchoice">
+<option value="outer1" selected="selected">Outer 1</option>
+<optgroup label="Group 1">
+<option value="inner1">Inner 1</option>
+<option value="inner2" selected="selected">Inner 2</option>
+</optgroup>
+</select>
+
-# RadioSelect Widget ##########################################################
-
->>> w = RadioSelect()

docs/model-api.txt

@@ -542 +542 @@
-    class Foo(models.Model):
-        gender = models.CharField(maxlength=1, choices=GENDER_CHOICES)
-
+The choices list may also be nested one level::
+
+    MEDIA_CHOICES = (
+        ('Audio', (
+                ('vinyl', 'Vinyl'),
+                ('cd', 'CD'),
+            )
+        ),
+        ('Video', (
+                ('vhs', 'VHS Tape'),
+                ('dvd', 'DVD'),
+            )
+        ),
+        ('unknown', 'Unknown'),
+    )
+
-For each model field that has ``choices`` set, Django will add a method to
-retrieve the human-readable name for the field's current value. See
-`get_FOO_display`_ in the database API documentation.