Update rendering of the readonly multiselect widget to conform to Django's updated field class interface.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/common/widgets.py

@@ -7,47 +7,6 @@ from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
 
 
-class DetailSelectMultiple(forms.widgets.SelectMultiple):
-    def __init__(self, queryset=None, *args, **kwargs):
-        self.queryset = queryset
-        super(DetailSelectMultiple, self).__init__(*args, **kwargs)
-
-    def render(self, name, value, attrs=None, choices=(), *args, **kwargs):
-        if value is None:
-            value = ''
-        final_attrs = self.build_attrs(attrs, name=name)
-        css_class = final_attrs.get('class', 'list')
-        output = '<ul class="%s">' % css_class
-        options = None
-        if value:
-            if getattr(value, '__iter__', None):
-                options = [(index, string) for index, string in
-                           self.choices if index in value]
-            else:
-                options = [(index, string) for index, string in
-                           self.choices if index == value]
-        else:
-            if self.choices:
-                if self.choices[0] != ('', '---------') and value != []:
-                    options = [(index, string) for index, string in
-                               self.choices]
-
-        if options:
-            for index, string in options:
-                if self.queryset:
-                    try:
-                        output += '<li><a href="%s">%s</a></li>' % (
-                            self.queryset.get(pk=index).get_absolute_url(),
-                            string)
-                    except AttributeError:
-                        output += '<li>%s</li>' % (string)
-                else:
-                    output += '<li>%s</li>' % string
-        else:
-            output += '<li>%s</li>' % _('None')
-        return mark_safe(output + '</ul>\n')
-
-
 class DisableableSelectWidget(forms.SelectMultiple):
     allow_multiple_selected = True