From 5d3e9a1435a575dd27695e3c0ff0e6282acc0c0f Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@proxience.com>
Date: Tue, 3 Feb 2015 00:49:58 +0100
Subject: Implement Select2 selection as a multi select widget

---
 ishtar_common/widgets.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'ishtar_common/widgets.py')

diff --git a/ishtar_common/widgets.py b/ishtar_common/widgets.py
index 404d5fabe..0ba4061a8 100644
--- a/ishtar_common/widgets.py
+++ b/ishtar_common/widgets.py
@@ -37,6 +37,24 @@ import models
 
 reverse_lazy = lazy(reverse, unicode)
 
+
+class Select2Multiple(forms.SelectMultiple):
+    class Media:
+        css = {
+            'all': ('select2/css/select2.css',)
+        }
+        js = ('select2/js/select2.min.js', 
+              'select2/js/init.js')
+
+    def render(self, name, value, attrs=None, choices=()):
+        klass = attrs and attrs.get('class') or ''
+        klass += ' ' if klass else '' + 'js-select2'
+        if not attrs:
+            attrs = {}
+        attrs['class'] = klass
+        return super(Select2Multiple, self).render(name, value, attrs,
+                                                              choices)
+
 class MultipleAutocompleteField(forms.MultipleChoiceField):
     def __init__(self, *args, **kwargs):
         self.model = None
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