socialforge/app/views/student_work/search_course_students.js.erb

$("#all_students_list").empty();
<% @users.each do |user|%>
    var link = "<li id='student_<%=user.id %>'><%=user.show_name %>";
    <% unless user.user_extensions.student_id == "" %>
        link += "(<%=user.user_extensions.student_id %>)";
    <% end %>
    link += "</li>";
    $("#all_students_list").append(link);

    var str = $("#group_member_ids").val();
    var choose_str = "";
    var lists = $("#choose_students_list li");
    if(lists.length > 0) {
        for(var i=0; i<lists.length; i++) {
            var id = $(lists[i]).attr("id").replace(/[^0-9]/ig,"");
            choose_str += id;
            if (i != lists.length -1) {
                choose_str += ",";
        }
    }
}
    <% if user.id.to_i != User.current.id.to_i && (@commit_student_ids.find{|e| e.to_i == user.id.to_i}).nil? && user.member_of_course?(@course) %>
        if (str.indexOf(<%=user.id.to_s %>) < 0 && choose_str.indexOf(<%=user.id.to_s %>) < 0) {
            $("#student_<%=user.id %>").one("click",function choose_student() {
                var li = "<li id='choose_student_<%=user.id %>'";
                <% if user.id.to_i != User.current.id.to_i %>
                    li += " onclick='delete_student(<%=user.id %>);'";
                <% end %>
                li += ">" + $("#student_<%=user.id %>").html()+"<input name='member_id[]' value='<%=user.id %>' type='hidden'/></li>";
                $("#choose_students_list").append(li);
            });
        }
    <% elsif !user.member_of_course?(@course) %>
        if (str.indexOf(<%=user.id.to_s %>) < 0) {
            $("#student_<%=user.id %>").attr("title","该项目成员不是本课程的学生");
        }
    <% else %>
        if (str.indexOf(<%=user.id.to_s %>) < 0) {
            $("#student_<%=user.id %>").attr("title","该学生已加入其它分组");
        }
    <% end %>
<% end %>