(function(global){

    var ER = {};

    ER.Cache = {};

    global.ER = ER;

    ER.useVK = true;

    ER.version = '1.0.0';

    ER.host = 'http://127.0.0.1:8091';


    //创建对象
    var beget = function (o) {
        var F = function () {
        };
        if (typeof o === 'object') {
            F.prototype = o;
        }

        return new F();
    };

    global.PVLOADER = 0;

    ER.loading = function (title, msg) {
        // if (FDP.silent) return;
        // if (PVLOADER > 0) return;
        disableScroll();
        global.PVLOADER++;
        if (!$('.main-waiting').is(':visible')) {
            $('.main-waiting').css('display', '-webkit-flex');
            $('.main-waiting img').css({
                'position': 'absolute',
                'top': ((window.innerHeight / 2) + window.scrollY) + 'px',
                'left': ((window.innerWidth / 2) - 64) + 'px'
            });
        }
    }

    ER.loaded = function () {
        global.PVLOADER--;
        enableScroll();
        if (global.PVLOADER <= 0) {
            $('.main-waiting').css('display', 'none');
        }
    }

    var findSuper = function (obj, n, method) {
        var index = obj.super.fn.length - n;
        if (index < 0) {
            return null;
        }

        return obj.super.fn[index][method];
    };

    global.inherits = function (subType, superType) {
        if (subType) {
            var prototype = beget(superType.prototype);
            prototype.constructor = subType;
            subType.prototype = prototype;
            if (subType.prototype.super) {
                if (!subType.prototype.super.fn) {
                    console.log(new Error('super error invalid super'));
                }
                subType.prototype.super.fn.push(superType.prototype);
                return;
            } else {
                var superCall = {};
                subType.prototype.super = function (method) {
                    if (superCall.hasOwnProperty(method)) {
                        superCall[method]++;
                    } else {
                        superCall[method] = 1;
                    }
                    var n = superCall[method];
                    var f = findSuper(this, n, method);
                    if (!f) throw new Error('super error no method');

                    var slice = Array.prototype.slice;
                    var args = slice.call(arguments, 1)
                    try {
                        return f.apply(this, args);
                    } finally {
                        superCall[method] = 0;
                    }

                };
                subType.prototype.super.fn = [superType.prototype]
            }
        }
    }

    var createGuid = global.createGuid = function() {
        // 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
        //     var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
        //     return v.toString(16);
        // });
        
        function S4() {
            return (((1+Math.random())*0x10000)|0).toString(16).substring(1); 
        }
        return (S4() + S4() + "-" + S4() + "-4" + S4().substr(0,3) + "-" + S4() + "-" + S4() + S4() + S4()).toLowerCase();
    }


    global.getParameterByName = function(name, url) {
        if (!url) {
          url = window.location.href;
        }
        name = name.replace(/[\[\]]/g, "\\$&");
        var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
            results = regex.exec(url);
        if (!results) return null;
        if (!results[2]) return '';
        return decodeURIComponent(results[2]);
        // return decodeURIComponent(results[2].replace(/\+/g, " "));
    }

    global.REPORT = {};

    ER.bindVKEvents = function(el) {
        // el.removeEventListener('focus')
        el.addEventListener('focus', function() {
            openVK(el);
        });
        el.addEventListener('blur', function(e) {
            closeVK(e);
        });
    }

    ER.print = function(funcCode, serialNo, mod, printData, variables) {
            var params = {
                funcCode: funcCode || '*',
                serialNo: serialNo,
                mode: mod, //0-打印，1-预览，2-设计
                printData: printData,
                variables: variables,
                token: FDP.logOn.token,
                host: FDP.host
            };

            if (window.FdpExt && window.FdpExt.DoPlugin) {
                window.FdpExt.DoPlugin('PrintPlugin', 'FastPrint', JSON.stringify(params));
                return true;

            }

            if (window.qt) {
                new QWebChannel(qt.webChannelTransport, function(channel) {
                    // make dialog object accessible globally
                    var report = channel.objects.report;
                    report.doPrint(JSON.stringify(params));
                });
                return true;
            } else {
                console.log(params);
                return false;
            }

        },

    //关闭键盘
    global.closeVK = function(e) {
        if (!ER.useVK) return;
        if(ER.Cache.showVitalKeybord === '0') return;
        
        ER.VK.closeVK(e);
    }

    global.openVK = function(data, args) {
        if (!ER.useVK) return;
        if(ER.Cache.showVitalKeybord === '0') return;

        ER.VK.openVK(data, args);
    }

    Number.prototype.add = function(value) {
        var arg1 = this,
            arg2 = value;

        var r1, r2, m;
        try {
            r1 = arg1.toString().split(".")[1].length;
        } catch (e) {
            r1 = 0;
        }
        try {
            r2 = arg2.toString().split(".")[1].length;
        } catch (e) {
            r2 = 0;
        }
        m = Math.pow(10, Math.max(r1, r2));
        arg1 = Math.round(arg1 * m);
        arg2 = Math.round(arg2 * m);
        return (arg1 + arg2) / m;
    };

    function preventDefault(e) {
      e = e || window.event;
      if (e.preventDefault)
          e.preventDefault();
      e.returnValue = false;  
    }

    function preventDefaultForScrollKeys(e) {
        var keys = {37: 1, 38: 1, 39: 1, 40: 1};
        if (keys[e.keyCode]) {
            preventDefault(e);
            return false;
        }
    }

    function disableScroll() {
      if (window.addEventListener) // older FF
          window.addEventListener('DOMMouseScroll', preventDefault, false);
      window.onwheel = preventDefault; // modern standard
      window.onmousewheel = document.onmousewheel = preventDefault; // older browsers, IE
      window.ontouchmove  = preventDefault; // mobile
      document.onkeydown  = preventDefaultForScrollKeys;
    }

    function enableScroll() {
        if (window.removeEventListener)
            window.removeEventListener('DOMMouseScroll', preventDefault, false);
        window.onmousewheel = document.onmousewheel = null; 
        window.onwheel = null; 
        window.ontouchmove = null;  
        document.onkeydown = null;  
    }
})(window)