// Name:        AjaxFileUpload.AjaxFileUpload.Utils.debug.js
// Assembly:    AjaxControlToolkit
// Version:     4.5.7.1213
// FileVersion: 4.5.7.1213
Type.registerNamespace("Sys.Extended.UI.AjaxFileUpload");
Type.registerNamespace("AjaxFileUpload");

Sys.Extended.UI.AjaxFileUpload.Utils = function () {

    this.generateGuid = function() {
        var result, i, j;
        result = '';
        for (j = 0; j < 32; j++) {
            if (j == 8 || j == 12 || j == 16 || j == 20)
                result = result + '-';
            i = Math.floor(Math.random() * 16).toString(16).toUpperCase();
            result = result + i;
        }
        return result;
    };

    this.getFileName = function (fullPath) {

        var result = "";
        if (!fullPath)
            return '';

        if (!fullPath.value && fullPath.name)
            result = fullPath.name;
        else {
            if (!fullPath.value && typeof(fullPath) !== "string")
                throw "Invalid parameter. fullPath parameter must be a string of full path or file element.";

            if (fullPath.value)
                fullPath = fullPath.value;

            if (fullPath) {
                var startIndex = (fullPath.indexOf('\\') >= 0 ? fullPath.lastIndexOf('\\') : fullPath.lastIndexOf('/'));
                var filename = fullPath.substring(startIndex);
                if (filename.indexOf('\\') === 0 || filename.indexOf('/') === 0) {
                    filename = filename.substring(1);
                }

                result = filename;                
            }           
        }

        return  encodeURIComponent(result);
    };

    this.getFileType = function (file) {
        if (!file)
            throw 'file must defined or not null';

        if (!file.value && file.name)
            return file.name.substring(file.name.lastIndexOf('.') + 1);
        
        if (file.value)
            file = file.value;
        
        if (typeof (file) !== "string")
            throw "can't resolve file type.";

        return file.substring(file.lastIndexOf('.') + 1);
    };

    this.sizeToString = function(bytes) {
        if (!bytes || bytes <= 0)
            return '0 Kb';

        var s = ['bytes', 'kb', 'MB', 'GB', 'TB', 'PB'];
        var e = Math.floor(Math.log(bytes) / Math.log(1024));
        return (bytes / Math.pow(1024, Math.floor(e))).toFixed(2) + " " + s[e];
    };

    this.checkHtml5BrowserSupport = function () {
        
        var browser = Sys.Browser;
        if (browser.name == "Microsoft Internet Explorer" && browser.version <= 10)
            return false;
        
        return window.File
            && window.FileReader && window.FileList
            && window.Blob && (new XMLHttpRequest()).upload;
    };
    
};