refactor FieldRenderers

src/pretix/base/forms/renderers.py

@@ -0,0 +1,112 @@
+from bootstrap3.renderers import FieldRenderer
+from bootstrap3.text import text_value
+from django.forms import CheckboxInput, CheckboxSelectMultiple, RadioSelect
+from django.forms.utils import flatatt
+from django.utils.html import format_html
+from django.utils.safestring import mark_safe
+from django.utils.translation import pgettext
+
+
+def render_label(content, label_for=None, label_class=None, label_title='', label_id='', optional=False, is_valid=None, attrs=None):
+    """
+    Render a label with content
+    """
+    attrs = attrs or {}
+    if label_for:
+        attrs['for'] = label_for
+    if label_class:
+        attrs['class'] = label_class
+    if label_title:
+        attrs['title'] = label_title
+    if label_id:
+        attrs['id'] = label_id
+
+    opt = ""
+
+    if is_valid is not None:
+        if is_valid:
+            validation_text = pgettext('form', 'is valid')
+        else:
+            validation_text = pgettext('form', 'has errors')
+        opt += '<strong class="sr-only"> {}</strong>'.format(validation_text)
+
+    if text_value(content) == '&#160;':
+        # Empty label, e.g. checkbox
+        attrs.setdefault('class', '')
+        attrs['class'] += ' label-empty'
+        # usually checkboxes have overall empty labels and special labels per checkbox
+        # => remove for-attribute as well as "required"-text appended to label
+        if 'for' in attrs:
+            del attrs['for']
+    else:
+        opt += '<i class="sr-only label-required">, {}</i>'.format(pgettext('form', 'required')) if not optional else ''
+
+    builder = '<{tag}{attrs}>{content}{opt}</{tag}>'
+    return format_html(
+        builder,
+        tag='label',
+        attrs=mark_safe(flatatt(attrs)) if attrs else '',
+        opt=mark_safe(opt),
+        content=text_value(content),
+    )
+
+
+class PretixFieldRenderer(FieldRenderer):
+    def __init__(self, *args, **kwargs):
+        kwargs['layout'] = 'horizontal'
+        super().__init__(*args, **kwargs)
+        self.is_group_widget = isinstance(self.widget, (CheckboxSelectMultiple, RadioSelect, )) or (self.is_multi_widget and len(self.widget.widgets) > 1)
+
+    def add_label(self, html):
+        attrs = {}
+        label = self.get_label()
+
+        if hasattr(self.field.field, '_show_required'):
+            # e.g. payment settings forms where a field is only required if the payment provider is active
+            required = self.field.field._show_required
+        elif hasattr(self.field.field, '_required'):
+            # e.g. payment settings forms where a field is only required if the payment provider is active
+            required = self.field.field._required
+        else:
+            required = self.field.field.required
+
+        if self.field.form.is_bound:
+            is_valid = len(self.field.errors) == 0
+        else:
+            is_valid = None
+
+        if self.is_group_widget:
+            label_for = ""
+            label_id = "legend-{}".format(self.field.html_name)
+        else:
+            label_for = self.field.id_for_label
+            label_id = ""
+
+        if hasattr(self.field.field, 'question') and self.field.field.question.identifier:
+            attrs["data-identifier"] = self.field.field.question.identifier
+
+        html = render_label(
+            label,
+            label_for=label_for,
+            label_class=self.get_label_class(),
+            label_id=label_id,
+            attrs=attrs,
+            optional=not required and not isinstance(self.widget, CheckboxInput),
+            is_valid=is_valid
+        ) + html
+        return html
+
+    def wrap_label_and_field(self, html):
+        if self.is_group_widget:
+            attrs = ' role="group" aria-labelledby="legend-{}"'.format(self.field.html_name)
+        else:
+            attrs = ''
+        return '<div class="{klass}"{attrs}>{html}</div>'.format(klass=self.get_form_group_class(), html=html, attrs=attrs)
+
+    def wrap_widget(self, html):
+        if isinstance(self.widget, CheckboxInput):
+            css_class = "checkbox"
+            if self.field.field.disabled:
+                css_class += " disabled"
+            html = f'<div class="{css_class}">{html}</div>'
+        return html

src/pretix/control/forms/renderers.py

@@ -21,82 +21,16 @@
 #
 from bootstrap3.renderers import FieldRenderer, InlineFieldRenderer
 from bootstrap3.text import text_value
-from django.forms import CheckboxInput, CheckboxSelectMultiple, RadioSelect
 from django.forms.utils import flatatt
 from django.utils.html import format_html
 from django.utils.safestring import mark_safe
 from django.utils.translation import pgettext
-from i18nfield.forms import I18nFormField
+
+from pretix.base.forms.renderers import PretixFieldRenderer
 
 
-def render_label(content, label_for=None, label_class=None, label_title='', label_id='', optional=False):
-    """
-    Render a label with content
-    """
-    attrs = {}
-    if label_for:
-        attrs['for'] = label_for
-    if label_class:
-        attrs['class'] = label_class
-    if label_title:
-        attrs['title'] = label_title
-    if label_id:
-        attrs['id'] = label_id
-
-    if text_value(content) == ' ':
-        # Empty label, e.g. checkbox
-        attrs.setdefault('class', '')
-        attrs['class'] += ' label-empty'
-
-    builder = '<{tag}{attrs}>{content}{opt}</{tag}>'
-    return format_html(
-        builder,
-        tag='label',
-        attrs=mark_safe(flatatt(attrs)) if attrs else '',
-        opt=mark_safe('<br><span class="optional">{}</span>'.format(pgettext('form', 'Optional'))) if optional else '',
-        content=text_value(content),
-    )
-
-
-class ControlFieldRenderer(FieldRenderer):
-    def __init__(self, *args, **kwargs):
-        kwargs['layout'] = 'horizontal'
-        super().__init__(*args, **kwargs)
-        self.is_group_widget = isinstance(self.widget, (CheckboxSelectMultiple, RadioSelect, )) or (self.is_multi_widget and len(self.widget.widgets) > 1)
-
-    def add_label(self, html):
-        label = self.get_label()
-
-        if hasattr(self.field.field, '_required'):
-            # e.g. payment settings forms where a field is only required if the payment provider is active
-            required = self.field.field._required
-        elif isinstance(self.field.field, I18nFormField):
-            required = self.field.field.one_required
-        else:
-            required = self.field.field.required
-
-        if self.is_group_widget:
-            label_for = ""
-            label_id = "legend-{}".format(self.field.html_name)
-        else:
-            label_for = self.field.id_for_label
-            label_id = ""
-
-        html = render_label(
-            label,
-            label_for=label_for,
-            label_class=self.get_label_class(),
-            label_id=label_id,
-            optional=not required and not isinstance(self.widget, CheckboxInput)
-        ) + html
-        return html
-
-    def wrap_label_and_field(self, html):
-        if self.is_group_widget:
-            attrs = ' role="group" aria-labelledby="legend-{}"'.format(self.field.html_name)
-        else:
-            attrs = ''
-        return '<div class="{klass}"{attrs}>{html}</div>'.format(klass=self.get_form_group_class(), html=html, attrs=attrs)
+class ControlFieldRenderer(PretixFieldRenderer):
+    pass
 
 
 class ControlFieldWithVisibilityRenderer(ControlFieldRenderer):

src/pretix/presale/forms/renderers.py

@@ -19,66 +19,14 @@
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
-from bootstrap3.renderers import FieldRenderer
-from bootstrap3.text import text_value
 from bootstrap3.utils import add_css_class
-from django.forms import CheckboxInput, CheckboxSelectMultiple, RadioSelect
-from django.forms.utils import flatatt
-from django.utils.html import escape, format_html, strip_tags
+from django.utils.html import escape, strip_tags
 from django.utils.safestring import mark_safe
-from django.utils.translation import pgettext
+
+from pretix.base.forms.renderers import PretixFieldRenderer
 
 
-def render_label(content, label_for=None, label_class=None, label_title='', label_id='', optional=False, is_valid=None, attrs=None):
-    """
-    Render a label with content
-    """
-    attrs = attrs or {}
-    if label_for:
-        attrs['for'] = label_for
-    if label_class:
-        attrs['class'] = label_class
-    if label_title:
-        attrs['title'] = label_title
-    if label_id:
-        attrs['id'] = label_id
-
-    opt = ""
-
-    if is_valid is not None:
-        if is_valid:
-            validation_text = pgettext('form', 'is valid')
-        else:
-            validation_text = pgettext('form', 'has errors')
-        opt += '<strong class="sr-only"> {}</strong>'.format(validation_text)
-
-    if text_value(content) == '&#160;':
-        # Empty label, e.g. checkbox
-        attrs.setdefault('class', '')
-        attrs['class'] += ' label-empty'
-        # usually checkboxes have overall empty labels and special labels per checkbox
-        # => remove for-attribute as well as "required"-text appended to label
-        if 'for' in attrs:
-            del attrs['for']
-    else:
-        opt += '<i class="sr-only label-required">, {}</i>'.format(pgettext('form', 'required')) if not optional else ''
-
-    builder = '<{tag}{attrs}>{content}{opt}</{tag}>'
-    return format_html(
-        builder,
-        tag='label',
-        attrs=mark_safe(flatatt(attrs)) if attrs else '',
-        opt=mark_safe(opt),
-        content=text_value(content),
-    )
-
-
-class CheckoutFieldRenderer(FieldRenderer):
-    def __init__(self, *args, **kwargs):
-        kwargs['layout'] = 'horizontal'
-        super().__init__(*args, **kwargs)
-        self.is_group_widget = isinstance(self.widget, (CheckboxSelectMultiple, RadioSelect, )) or (self.is_multi_widget and len(self.widget.widgets) > 1)
-
+class CheckoutFieldRenderer(PretixFieldRenderer):
     def get_form_group_class(self):
         form_group_class = self.form_group_class
         if self.field.errors:
@@ -121,45 +69,6 @@ class CheckoutFieldRenderer(FieldRenderer):
             help_ids = ["help-for-{id}-{idx}".format(id=self.field.id_for_label, idx=idx) for idx in range(help_cnt)]
             widget.attrs["aria-describedby"] = " ".join(help_ids)
 
-    def add_label(self, html):
-        attrs = {}
-        label = self.get_label()
-
-        if hasattr(self.field.field, '_show_required'):
-            # e.g. payment settings forms where a field is only required if the payment provider is active
-            required = self.field.field._show_required
-        elif hasattr(self.field.field, '_required'):
-            # e.g. payment settings forms where a field is only required if the payment provider is active
-            required = self.field.field._required
-        else:
-            required = self.field.field.required
-
-        if self.field.form.is_bound:
-            is_valid = len(self.field.errors) == 0
-        else:
-            is_valid = None
-
-        if self.is_group_widget:
-            label_for = ""
-            label_id = "legend-{}".format(self.field.html_name)
-        else:
-            label_for = self.field.id_for_label
-            label_id = ""
-
-        if hasattr(self.field.field, 'question') and self.field.field.question.identifier:
-            attrs["data-identifier"] = self.field.field.question.identifier
-
-        html = render_label(
-            label,
-            label_for=label_for,
-            label_class=self.get_label_class(),
-            label_id=label_id,
-            attrs=attrs,
-            optional=not required and not isinstance(self.widget, CheckboxInput),
-            is_valid=is_valid
-        ) + html
-        return html
-
     def put_inside_label(self, html):
         content = "{field} {label}".format(field=html, label=self.label)
         return render_label(
@@ -167,10 +76,3 @@ class CheckoutFieldRenderer(FieldRenderer):
             label_for=self.field.id_for_label,
             label_title=escape(strip_tags(self.field_help)),
         )
-
-    def wrap_label_and_field(self, html):
-        if self.is_group_widget:
-            attrs = ' role="group" aria-labelledby="legend-{}"'.format(self.field.html_name)
-        else:
-            attrs = ''
-        return '<div class="{klass}"{attrs}>{html}</div>'.format(klass=self.get_form_group_class(), html=html, attrs=attrs)