X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/276656dcc680e1a35103d310dea046152ddc3785..640e6f5c1e85d05d728cd29a129df9ea8aa8f31f:/apps/ajaxable/utils.py?ds=sidebyside diff --git a/apps/ajaxable/utils.py b/apps/ajaxable/utils.py index e32356aee..2f03309f1 100755 --- a/apps/ajaxable/utils.py +++ b/apps/ajaxable/utils.py @@ -4,16 +4,16 @@ from django.http import (HttpResponse, HttpResponseRedirect, HttpResponseForbidden) from django.shortcuts import render_to_response from django.template import RequestContext -from django.utils.cache import patch_vary_headers from django.utils.encoding import force_unicode from django.utils.functional import Promise from django.utils.http import urlquote_plus -from django.utils import simplejson +import json from django.utils.translation import ugettext_lazy as _ from django.views.decorators.vary import vary_on_headers +from honeypot.decorators import verify_honeypot_value -class LazyEncoder(simplejson.JSONEncoder): +class LazyEncoder(json.JSONEncoder): def default(self, obj): if isinstance(obj, Promise): return force_unicode(obj) @@ -24,7 +24,7 @@ class JSONResponse(HttpResponse): def __init__(self, data={}, callback=None, **kwargs): # get rid of mimetype kwargs.pop('mimetype', None) - data = simplejson.dumps(data) + data = json.dumps(data) if callback: data = callback + "(" + data + ");" super(JSONResponse, self).__init__(data, mimetype="application/json", **kwargs) @@ -53,6 +53,12 @@ def require_login(request): 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. @@ -60,6 +66,7 @@ class AjaxableFormView(object): """ form_class = None + placeholdize = False # override to customize form look template = "ajaxable/form.html" submit = _('Send') @@ -70,15 +77,22 @@ class AjaxableFormView(object): formname = "form" form_prefix = None full_template = "ajaxable/form_on_page.html" + honeypot = False @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 request.method == "POST": + if self.honeypot: + response = verify_honeypot_value(request, None) + if response: + return response + # do I need to be logged in? if self.POST_login and not request.user.is_authenticated(): return require_login(request) @@ -87,14 +101,16 @@ class AjaxableFormView(object): form = self.form_class(*form_args, **form_kwargs) if form.is_valid(): add_args = self.success(form, request) - redirect = request.GET.get('next') - if not request.is_ajax() and redirect: - return HttpResponseRedirect(urlquote_plus( - redirect, safe='/?=&')) - response_data = {'success': True, - 'message': self.success_message, 'redirect': redirect} + response_data = { + 'success': True, + 'message': self.success_message, + 'redirect': request.GET.get('next') + } if add_args: response_data.update(add_args) + if not request.is_ajax() and response_data['redirect']: + return HttpResponseRedirect(urlquote_plus( + response_data['redirect'], safe='/?=&')) elif request.is_ajax(): # Form was sent with errors. Send them back. if self.form_prefix: @@ -104,6 +120,8 @@ class AjaxableFormView(object): 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: @@ -114,28 +132,57 @@ class AjaxableFormView(object): 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, - "title": self.title, + "title": title, + "honeypot": self.honeypot, + "placeholdize": self.placeholdize, "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)) - def form_args(self, request, *args, **kwargs): + def redirect_or_refresh(self, request, path, message=None): + """If the form is AJAX, refresh the page. If not, go to `path`.""" + if request.is_ajax(): + output = "" + if message: + output = "
" + message + "
" + output + return HttpResponse(output); + else: + return HttpResponseRedirect(path) + + 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 (), {} - def extra_context(self): + def extra_context(self, request, obj): """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.