fixed sorting answers, added delete answer

src/bbru/answers/browser/answer/actions.zcml

@@ -18,7 +18,7 @@
   <contextMenuItem
      name="thanks"
      view=".display.View"
-     title="Этот ответ решает мою задачу"
+     title="Этот решает мою задачу"
      permission="bbru.answers.EditQuestion"
      weight="1"
      />
@@ -32,10 +32,10 @@
      />
 
   <contextMenuItem
-     name="delete"
+     name="delete-answer"
      view=".display.View"
      title="Удалить"
-     permission="bbru.answers.Manage"
+     permission="bbru.answers.EditAnswer"
      weight="3"
      />
 

src/bbru/answers/browser/answer/configure.zcml

@@ -44,6 +44,14 @@
      template="edit.pt"
      />
 
+  <!-- удалить ответ -->
+  <browser:page
+     for="...interfaces.IQuestionAnswer"
+     name="delete"
+     class=".delete.Ajax"
+     permission="bbru.answers.EditAnswer"
+     />
+
   <include file="actions.zcml" />
 
 </configure>

src/bbru/answers/browser/answer/delete.py

@@ -0,0 +1,19 @@
+# coding: utf-8
+# This code was developed for http://bluebream.ru by its community and
+# placed under Public Domain.
+
+""" Удалить ответ.
+"""
+
+from z3c.form import form, button
+
+class Ajax(form.Form):
+
+    @button.buttonAndHandler(u"Удалить", name="delete")
+    def handleDelete(self, action):
+        name = self.context.__name__
+        parent = self.context.__parent__
+        del parent[name]
+
+    @button.buttonAndHandler(u"Отмена", name="cancel")
+    def handleCancel(*args): pass

src/bbru/answers/browser/answer/listing.py

@@ -7,14 +7,16 @@
 """
 
 from zope.interface import Interface
-from zope.component import getUtility, getMultiAdapter
+from zope.component import getMultiAdapter
+from zope.dublincore.interfaces import IZopeDublinCore
 
 class Ajax:
 
     def __call__(self):
-        answers = []
-        for name, ob in self.context.items():
-            view = getMultiAdapter((ob, self.request), Interface, "display")
-            answers.append(view)
-        answers.sort(key=lambda x:int(x.context.__name__))
-        return u''.join(x() for x in answers)
+        answers = [x for x in self.context.values()]
+        answers.sort(key=lambda x:IZopeDublinCore(x).created)
+
+        views = [getMultiAdapter((x, self.request), Interface, "display")
+                 for x in answers]
+
+        return u''.join(x() for x in views)

src/bbru/answers/browser/javascript/answers.js

@@ -119,6 +119,31 @@ function load_edit_answer_form(anchor, params) {
 
 }
 
+function load_delete_answer_form(anchor) {
+    var place = $(anchor).parents('.answer-wrapper');
+    var context_url = $('div.context_url', place).text();
+    var question_url = $('.question .metadata .context_url').text();
+
+    $.post(context_url + "/@@delete", {}, function(data) {
+
+	var container = $('<div></div>');
+	container.append(data);
+	place.after(container);
+
+	$('#form-buttons-delete', container).click(function() {
+	    $.post(context_url + "/@@delete", get_form_params(this), function () {
+		load_answers_listing(question_url);
+	    });
+	    return false;
+	});
+
+	$('#form-buttons-cancel', container).click(function() {
+	    container.remove();
+	    return false;
+	});
+    });
+}
+
 function question_init (context_url) {
     load_answers_listing(context_url);
 
@@ -143,4 +168,9 @@ function answer_init () {
 	load_edit_answer_form(this, {});
 	return false;
     });
+
+    $('.delete-answer').click(function() {
+	load_delete_answer_form(this);
+	return false;
+    });
 }

src/bbru/answers/configure.zcml

@@ -46,13 +46,9 @@
        interface="zope.container.interfaces.IReadContainer"
        />
     <require
-       attributes="__setitem__"
+       attributes="__setitem__ __delitem__"
        permission="bbru.answers.Answer"
        />
-    <require
-       attributes="__delitem__"
-       permission="bbru.answers.Manage"
-       />
   </class>
 
   <!-- Ответ -->

src/bbru/answers/security.zcml

@@ -56,6 +56,10 @@
      permission="bbru.answers.EditQuestion"
      role="bbru.answers.Moderator"
      />
+  <grant
+     permission="bbru.answers.EditAnswer"
+     role="bbru.answers.Moderator"
+     />
   <grant
      permission="bbru.answers.Manage"
      role="bbru.answers.Moderator"