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[wolnelektury.git] / apps / ajaxable / utils.py

diff --git a/apps/ajaxable/utils.py b/apps/ajaxable/utils.py
index e32356a..79eca52 100755 (executable)
--- a/apps/ajaxable/utils.py
+++ b/apps/ajaxable/utils.py
@@ -53,6 +53,12 @@ def require_login(request):
         return HttpResponseRedirect('/uzytkownicy/zaloguj')# next?=request.build_full_path())
 
 
         return HttpResponseRedirect('/uzytkownicy/zaloguj')# next?=request.build_full_path())
 
 

+def placeholdized(form):
+    for field in form.fields.values():
+        field.widget.attrs['placeholder'] = field.label
+    return form
+
+

 class AjaxableFormView(object):
     """Subclass this to create an ajaxable view for any form.
 
 class AjaxableFormView(object):
     """Subclass this to create an ajaxable view for any form.
 


@@ -60,6 +66,7 @@ class AjaxableFormView(object):
 
     """
     form_class = None
 
     """
     form_class = None

+    placeholdize = False

     # override to customize form look
     template = "ajaxable/form.html"
     submit = _('Send')
     # override to customize form look
     template = "ajaxable/form.html"
     submit = _('Send')


@@ -74,7 +81,8 @@ class AjaxableFormView(object):
     @method_decorator(vary_on_headers('X-Requested-With'))
     def __call__(self, request, *args, **kwargs):
         """A view displaying a form, or JSON if request is AJAX."""
     @method_decorator(vary_on_headers('X-Requested-With'))
     def __call__(self, request, *args, **kwargs):
         """A view displaying a form, or JSON if request is AJAX."""

-        form_args, form_kwargs = self.form_args(request, *args, **kwargs)
+        obj = self.get_object(request, *args, **kwargs)
+        form_args, form_kwargs = self.form_args(request, obj)

         if self.form_prefix:
             form_kwargs['prefix'] = self.form_prefix
 
         if self.form_prefix:
             form_kwargs['prefix'] = self.form_prefix
 


@@ -104,6 +112,8 @@ class AjaxableFormView(object):
                 else:
                     errors = form.errors
                 response_data = {'success': False, 'errors': errors}
                 else:
                     errors = form.errors
                 response_data = {'success': False, 'errors': errors}

+            else:
+                response_data = None

             if request.is_ajax():
                 return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data))
         else:
             if request.is_ajax():
                 return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data))
         else:


@@ -114,28 +124,46 @@ class AjaxableFormView(object):
             form = self.form_class(*form_args, **form_kwargs)
             response_data = None
 
             form = self.form_class(*form_args, **form_kwargs)
             response_data = None
 

-        template = self.template if request.is_ajax() else self.full_template
+        title = self.title
+        if request.is_ajax():
+            template = self.template
+        else:
+            template = self.full_template
+            cd = self.context_description(request, obj)
+            if cd:
+                title += ": " + cd
+        if self.placeholdize:
+            form = placeholdized(form)

         context = {
                 self.formname: form, 
         context = {
                 self.formname: form, 

-                "title": self.title,
+                "title": title,
+                "placeholdize": self.placeholdize,

                 "submit": self.submit,
                 "response_data": response_data,
                 "ajax_template": self.template,
                 "view_args": args,
                 "view_kwargs": kwargs,
             }
                 "submit": self.submit,
                 "response_data": response_data,
                 "ajax_template": self.template,
                 "view_args": args,
                 "view_kwargs": kwargs,
             }

-        context.update(self.extra_context())
+        context.update(self.extra_context(request, obj))

         return render_to_response(template, context,
             context_instance=RequestContext(request))
 
         return render_to_response(template, context,
             context_instance=RequestContext(request))
 

-    def form_args(self, request, *args, **kwargs):
+    def get_object(self, request, *args, **kwargs):
+        """Override to parse view args and get some associated data."""
+        return None
+
+    def form_args(self, request, obj):

         """Override to parse view args and give additional args to the form."""
         return (), {}
 
         """Override to parse view args and give additional args to the form."""
         return (), {}
 

-    def extra_context(self):
+    def extra_context(self, request, obj):

         """Override to pass something to template."""
         return {}
 
         """Override to pass something to template."""
         return {}
 

+    def context_description(self, request, obj):
+        """Description to appear in standalone form, but not in AJAX form."""
+        return ""
+

     def success(self, form, request):
         """What to do when the form is valid.
         
     def success(self, form, request):
         """What to do when the form is valid.