1.修改单选题业务逻辑处理

2.删除选项时，单选题至少有一个选项

app/controllers/poll_controller.rb

@@ -117,6 +117,30 @@ class PollController < ApplicationController
     @poll_question = PollQuestion.find params[:poll_question]
     @poll = @poll_question.poll
 
+    @poll_question.is_necessary = params[:is_necessary]=="true" ? 1 : 0
+    @poll_question.question_title = params[:poll_questions_title].nil? || params[:poll_questions_title].empty? ? l(:label_enter_single_title) : params[:poll_questions_title]
+    ################处理选项
+    if params[:question_answer]
+      @poll_question.poll_answers.each do |answer|
+        @poll_question.poll_answers.destroy answer unless params[:question_answer].keys.include? answer.id.to_s
+      end
+      for i in 1..params[:question_answer].count
+        question = @poll_question.poll_answers.find_by_id params[:question_answer].keys[i-1]
+        answer = (params[:question_answer].values[i-1].nil? || params[:question_answer].values[i-1].empty?) ? l(:label_new_answer) : params[:question_answer].values[i-1]
+        if question
+          question.answer_position = i
+          question.answer_text = answer
+          question.save
+        else
+          question_option = {
+              :answer_position => i,
+              :answer_text => answer
+          }
+          @poll_question.poll_answers.new question_option
+        end
+      end
+    end
+    @poll_question.save
     respond_to do |format|
       format.js
     end

app/views/poll/_edit_MC.html.erb

@@ -1,4 +1,4 @@
-<%= form_for(poll_question,:url => update_poll_question_poll_index_path(:poll_question => poll_question.id),:remote => true) do |f|%>
+<%= form_for("",:url => update_poll_question_poll_index_path(:poll_question => poll_question.id),:remote => true) do |f|%>
     <!--编辑单选start-->
     <div class="ur_editor radio">
       <div class="ur_editor_title">

app/views/poll/_poll_form.html.erb

@@ -47,7 +47,7 @@
       {
           if(doc.parent().siblings("li").length == 0)
           {
-              doc.parent().parent().parent().parent().parent().parent().remove();
+              alert("选择题至少有一个选项");
           }
           else
           {

app/views/poll/update_poll_question.js.erb

@@ -0,0 +1,2 @@
+
+pollQuestionCancel(<%= @poll_question.id%>);