util-7.键盘操作相关(keyCodeUtil)

/**
 * ========================code操作========================
 */
var keyCodeUtil = {
    /**
     * 源码爱好者代码提取
     * @param objname
     * @returns {HTMLElement}
     */
  "$" : function(objname){
    return document.getElementById(objname);
  },
    /**
     * 运行代码，打开新窗口
     * @param objname
     */
  "runCode" : function(objname) {
      var winname = window.open('', "_blank", '');
      var obj = $(objname);
      winname.document.open('text/html', 'replace');
      winname.opener = null // 防止代码对论谈页面修改
      winname.document.write(obj.value);
      winname.document.close();
  },
    /**
     * 保存代码
     * @param objname
     */
  "saveCode" : function(objname){
      var winname = window.open('', '_blank', 'top=10000');
      winname.document.open('text/html', 'replace');
      var obj = $(objname);
      winname.document.write(obj.value);
      winname.document.execCommand('saveas','','code.htm');
      winname.close();
  },
    /**
     * 复制代码
     * @param objname
     */
  "onCopy" : function(objname){
      var e=document.getElementById(objname); //对象是contents 
          e.select(); //选择对象 
      document.execCommand("Copy"); //执行浏览器复制命令
      alert("代码已经被成功复制！");

      /*
        //html
        <div class="table_cell tl m_id">                       
            <div class="t_icontent">{{x.template_id}}</div>
            <input type="text" value="{{x.template_id}}" class="t_input" />
            <a href="javascript:void(0);" class="btntempidcopy">复制</a>
        </div>
        
        //css:复制前，input输入框需要设置成显示状态，并且需要有高度和宽度
        .t_input{color:#fff;border: none;background: none;outline: none;width:1px;height:1px;}
        
       //js复制模板编号
       $(document).on("click",".btntempidcopy",function(){
         var tempid = $(this).siblings(".t_icontent").html();
         var $textelem = $(this).siblings(".t_input");
          $textelem.val(tempid);
          $textelem.focus();
            $textelem.select();
            if (document.execCommand('Copy')) {
                document.execCommand('Copy', false, null);
                alert('复制成功！');
            } else {
              alert('复制失败！');
            } 
            $textelem.blur();
       });
      */
  },

    /**
     * 清除选择
     * @returns {any}
     */
  "clearSelection" : function(){
     return window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty();
  },

    /**
     * 浏览器进入全屏（必须绑定点击事件才能触发）
         eg: requestFullScreen($(".content")[0]) // 某个页面元素
         requestFullScreen(document.documentElement);// 整个网页
     * @param element
     */
  "requestFullScreen": function(element){
    var requestMethod = 
        element.requestFullScreen ||   //W3C
        element.webkitRequestFullScreen ||  //Chrome等
        element.mozRequestFullScreen ||  //FireFox
        element.msRequestFullscreen;  //IE11
    if (requestMethod) { 
      requestMethod.call(element);
    }else if (typeof window.ActiveXObject !== "undefined") {//for Internet Explorer
        var wscript = new ActiveXObject("WScript.Shell");
        if (wscript !== null) {
            wscript.SendKeys("{F11}");
        }
    }else { 
      alert("您的浏览器过旧，不支持全屏功能！");
    } 
  },

    /**
     * 退出全屏
     */
  "exitFull": function() {
    // 判断各种浏览器，找到正确的方法
    var exitMethod = 
      document.exitFullscreen || //W3C
      document.mozCancelFullScreen ||    //Chrome等
      document.webkitExitFullscreen || //FireFox
      document.webkitExitFullscreen; //IE11
    if (exitMethod) {
        exitMethod.call(document);
    }
    else if (typeof window.ActiveXObject !== "undefined") {//for Internet Explorer
        var wscript = new ActiveXObject("WScript.Shell");
        if (wscript !== null) {
            wscript.SendKeys("{F11}");
        }
    }else { 
      alert("您的浏览器过旧，不支持全屏功能！");
    } 
  }
}