// ==UserScript==
// @name         中国知网CNKI硕博论文PDF下载
// @version      0.6
// @description  添加知网CNKI硕博论文PDF下载按钮/add PDF download button to CNKI.
// @author       leftjie
// @include        http*://*/kcms/detail/detail.aspx?dbcode=CMFD*
// @include        http*://*/kcms/detail/detail.aspx?dbcode=CDFD*
// @include        http*://*/KCMS/detail/detail.aspx?dbcode=CMFD*
// @include        http*://*/KCMS/detail/detail.aspx?dbcode=CDFD*
// @match        http*://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CMFD*
// @match        http*://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CDFD*
// @match        http*://kns.cnki.net/KCMS/detail/detail.aspx?dbcode=CMFD*
// @match        http*://kns.cnki.net/KCMS/detail/detail.aspx?dbcode=CDFD*
// @match        http*://cdmd.cnki.com.cn/Article/CDMD-*
// @include        http*://*/kcms/detail/detail.aspx?*dbcode=CDFD*
// @include        http*://*/kcms/detail/detail.aspx?*dbcode=CJFD*
// @include        http*://*/kcms/detail/detail.aspx?*dbcode=CMFD*
// @include        http*://*/KCMS/detail/detail.aspx?*dbcode=CDFD*
// @include        http*://*/KCMS/detail/detail.aspx?*dbcode=CJFD*
// @include        http*://*/KCMS/detail/detail.aspx?*dbcode=CMFD*
// @grant        none
// @namespace https://greasyfork.org/users/244539
// @downloadURL none
// ==/UserScript==

//知网硕博论文页面

(function() {
    'use strict';
    window.onload = function(){
        var url = window.location.href;
            var dllink = document.getElementsByClassName('operate-btn');
            var dl = "";
            for (var i = 0;i <= dllink.length; i++) {
                var nhdown = dllink[i].getElementsByTagName('a');
                if (i == 0){
                    dl = nhdown[1].href.replace('dflag=nhdown','dflag=pdfdown').replace('dflag=cajdown','dflag=pdfdown');
                }else{
                    dl = nhdown[0].href.replace('dflag=nhdown','dflag=pdfdown').replace('dflag=cajdown','dflag=pdfdown');
                }
                var li = document.createElement('li');
                var a = document.createElement('a');
                li.className = "btn-dlpdf";
                a.innerHTML = "<i></i>PDF 下载";
                a.href = dl;
                a.style.backgroundColor="#fb4376";
                li.appendChild(a);
                document.getElementsByClassName('operate-btn')[i].appendChild(li);
            }
    };
})();


//知网空间学位论文

(function() {
    var url = window.location.href;
    if(url.indexOf('cdmd.cnki.com.cn') != -1){
        var cnki_space_id = url.match(/-([0-9]+).htm/)[1];
        console.log(cnki_space_id);
        var ty_caj = document.getElementById("ty_caj");
        var newe = document.createElement("div");
        var newe_a = document.createElement('a');
        newe.className = "down_button";
        newe.id = "ty_pdf";
        newe_a.innerHTML = "PDF 下载(跳)";
        newe_a.href = "https://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CMFD&dbname=CMFDTEMP&filename=" + cnki_space_id + ".nh";
        newe_a.target = "_blank";
        newe.appendChild(newe_a);
        document.getElementById("down_3").insertBefore(newe,ty_caj);
    }
})();