Subversion-Projekte lars-tiefland.prado

/**
 * Prado base namespace
 * @namespace Prado
 */
var Prado =
{
        /**
         * Version of Prado clientscripts
         * @var Version
         */
        Version: '3.1',

        /**
         * Returns browser information. 
         * <pre>
         * var browser = Prado.Browser();
         * alert(browser.ie); //should ouput true if IE, false otherwise
         * </pre>
         * @function {object} ?
         * @version 1.0
         * @returns browserinfo
         * @... {string} agent - Reported user agent
         * @... {string} ver - Reported agent version
         * @... {0|1} dom - 1 for DOM browsers 
         * @... {0|1} ns4 - 1 for Netscape 4
         * @... {0|1} ns6 - 1 for Netscape 6 and Firefox
         * @... {boolean} ie3 - true for IE 3
         * @... {0|1} ie5 - 1 for IE 5
         * @... {0|1} ie6 - 1 for IE 6
         * @... {0|1} ie4 - 1 for IE 4
         * @... {0|1} ie - 1 for IE 4-6
         * @... {0|1} hotjava - 1 for HotJava
         * @... {0|1} ver3 - 1 for IE3 and HotJava
         * @... {0|1} opera - 1 for Opera
         * @... {boolean} opera7 - true for Opera 7
         * @... {0|1} operaOld - 1 for older Opera    
         * @... {0|1} bw - 1 for IE 4-6, Netscape 4&6, Firefox and Opera
         * @... {boolean} mac - true for mac systems 
         * @... {static} Version - Version of returned structure (1.0)
         */
        Browser : function()
        {
                var info = { Version : "1.0" };
                var is_major = parseInt( navigator.appVersion );
                info.nver = is_major;
                info.ver = navigator.appVersion;
                info.agent = navigator.userAgent;
                info.dom = document.getElementById ? 1 : 0;
                info.opera = window.opera ? 1 : 0;
                info.ie5 = ( info.ver.indexOf( "MSIE 5" ) > -1 && info.dom && !info.opera ) ? 1 : 0;
                info.ie6 = ( info.ver.indexOf( "MSIE 6" ) > -1 && info.dom && !info.opera ) ? 1 : 0;
                info.ie4 = ( document.all && !info.dom && !info.opera ) ? 1 : 0;
                info.ie = info.ie4 || info.ie5 || info.ie6;
                info.mac = info.agent.indexOf( "Mac" ) > -1;
                info.ns6 = ( info.dom && parseInt( info.ver ) >= 5 ) ? 1 : 0;
                info.ie3 = ( info.ver.indexOf( "MSIE" ) && ( is_major < 4 ) );
                info.hotjava = ( info.agent.toLowerCase().indexOf( 'hotjava' ) != -1 ) ? 1 : 0;
                info.ns4 = ( document.layers && !info.dom && !info.hotjava ) ? 1 : 0;
                info.bw = ( info.ie6 || info.ie5 || info.ie4 || info.ns4 || info.ns6 || info.opera );
                info.ver3 = ( info.hotjava || info.ie3 );
                info.opera7 = ( ( info.agent.toLowerCase().indexOf( 'opera 7' ) > -1 ) || ( info.agent.toLowerCase().indexOf( 'opera/7' ) > -1 ) );
                info.operaOld = info.opera && !info.opera7;
                return info;
        },

        /**
         * Import CSS from Url.
         * @function ?
         * @param doc - document DOM object
         * @param css_file - Url to CSS file
         */
        ImportCss : function(doc, css_file)
        {
                if (Prado.Browser().ie)
                        var styleSheet = doc.createStyleSheet(css_file);
                else
                {
                        var elm = doc.createElement("link");

                        elm.rel = "stylesheet";
                        elm.href = css_file;

                        if (headArr = doc.getElementsByTagName("head"))
                                headArr[0].appendChild(elm);
                }
        }
};