Auto select checkbox when updating metadata values.

Closes GitLab issue #371.

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

mayan/apps/metadata/forms.py

@@ -16,11 +16,16 @@ class DocumentMetadataForm(forms.Form):
         label=_('Name'), required=False,
         widget=forms.TextInput(attrs={'readonly': 'readonly'})
     )
-    value = forms.CharField(label=_('Value'), required=False)
+    value = forms.CharField(label=_('Value'), required=False,
+        widget=forms.TextInput(attrs={'class': 'metadata-value'})
+    )
     update = forms.BooleanField(
         initial=True, label=_('Update'), required=False
     )
 
+    class Media:
+        js = ('metadata/js/metadata_form.js',)
+
     def __init__(self, *args, **kwargs):
         super(DocumentMetadataForm, self).__init__(*args, **kwargs)