Link only Answer flagging for the Stack Exchange

Link only Answers

// ==UserScript==
// @name        Link Only Answers
// @namespace   https://gist.github.com/burn123/5650628
// @description Adds a self navigating "Link-Only Answer" flag
// @include     http://*stackoverflow.com/questions*
// @include     http://*stackoverflow.com/review*
// @include     http://*stackoverflow.com/admin/dashboard*
// @include     http://*stackoverflow.com/tools*
// @include     http://*serverfault.com/questions*
// @include     http://*serverfault.com/review*
// @include     http://*serverfault.com/admin/dashboard*
// @include     http://*serverfault.com/tools*
// @include     http://*superuser.com/questions*
// @include     http://*superuser.com/review*
// @include     http://*superuser.com/admin/dashboard*
// @include     http://*superuser.com/tools*
// @include     http://*stackexchange.com/questions*
// @include     http://*stackexchange.com/review*
// @include     http://*stackexchange.com/admin/dashboard*
// @include     http://*stackexchange.com/tools*
// @include     http://*askubuntu.com/questions*
// @include     http://*askubuntu.com/review*
// @include     http://*askubuntu.com/admin/dashboard*
// @include     http://*askubuntu.com/tools*
// @include     http://*answers.onstartups.com/questions*
// @include     http://*answers.onstartups.com/review*
// @include     http://*answers.onstartups.com/admin/dashboard*
// @include     http://*answers.onstartups.com/tools*
// @include     http://*mathoverflow.net/questions*
// @include     http://*mathoverflow.net/review*
// @include     http://*mathoverflow.net/admin/dashboard*
// @include     http://*mathoverflow.net/tools*
// @include     http://discuss.area51.stackexchange.com/questions/*
// @include     http://discuss.area51.stackexchange.com/review*
// @include     http://discuss.area51.stackexchange.com/admin/dashboard*
// @include     http://discuss.area51.stackexchange.com/tools*
// @include     http://stackapps.com/questions*
// @include     http://stackapps.com/review*
// @include     http://stackapps.com/admin/dashboard*
// @include     http://stackapps.com/tools*
// @version     1.1.1
// ==/UserScript==

function jquery(e) {
    var script = document.createElement("script");
    script.type = "text/javascript";
    script.textContent = "(" + e.toString() + ")(jQuery)";
    document.body.appendChild(script);
}

(function ($) {
    $.fn.waitUntilExists = function (handler, shouldRunHandlerOnce, isChild) {
        var found = 'found';
        var $this = $(this.selector);
        var $elements = $this.not(function () {
            return $(this).data(found);
        }).each(handler).data(found, true);
        if (!isChild) {
            (window.waitUntilExists_Intervals = window.waitUntilExists_Intervals || {})[this.selector] =
                window.setInterval(function () {
                $this.waitUntilExists(handler, shouldRunHandlerOnce, true);
            }, 500);
        }
        else if (shouldRunHandlerOnce && $elements.length) {
            window.clearInterval(window.waitUntilExists_Intervals[this.selector]);
        }
        return $this;
    }
}(jQuery)); // Function to wait until an element exists, provided by http://stackoverflow.com/a/13709125/1470950

jquery(function ($) {
    $('document').ready(function () {
        $('<span class="lsep">|</span>').appendTo('.answer .post-menu');
        $('.answer .post-menu a:last').clone().attr({ // Targets the flag button and duplicates it
            class: "link-only",
            title: "Flag as a Link Only Answer"
        })
            .text("Link Only").appendTo('.answer .post-menu');

        $(".link-only").each(function () { // Have to use the each function so that it doesn't click everything with this class
            var $this = $(this),
                aID = $this.closest(".answer").attr('data-answerid');
            $this.attr("id", "link-only-" + aID); // Gives each link the id of the answer

            $this.on("click", function (e) {
                e.preventDefault(); // Prevents from jumping to the top of the page on click

                $this.siblings("a[id^='flag-post']").click(); // Clicks the flag button to open the flagging UI
                $("div.action-subform ul li:first-child label input.flag-prefilled").waitUntilExists(function () { 
                    $(this).attr("id", "NAA");
                    setTimeout(function () {
                        $('#NAA').click();
                    }, 1000);
                });

                $this.closest('.answer').find('a.vote-down-off').not("a.vote-down-on").click(); // Clicks the vote down button, but not if it has already been clicked

                $('#comments-link-' + aID).click(); // Targets the "add comment" link below the answer in order to open up the comment dialogue
                setTimeout(function () {
                    linkonlyanswer = "It is great that you are trying to help the asker out. However, leaving an answer with only a link can be harmful in some cases. While your answer is good now, if the link were ever to die, your answer would lose it's value. So it will be helpful if you summarize the content from the article in your answer. See [this](http://goo.gl/wQTjc) question for clarification."; // Change this if you want different comment text
                    var comment = $('#add-comment-' + aID)
                    comment.find('textarea').val(linkonlyanswer);
                    setTimeout(function () {
                        comment.find('input[type=submit]').click(); // Clicks the button that submits the comment
                    }, 1000);
                }, 10);
            });
        });
    });
});