/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */


var BrowserDetect = {
    init: function () {
        this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
        this.version = this.searchVersion(navigator.userAgent)
        || this.searchVersion(navigator.appVersion)
        || "an unknown version";
        this.OS = this.searchString(this.dataOS) || "an unknown OS";
    },
    searchString: function (data) {
        for (var i=0;i<data.length;i++)	{
            var dataString = data[i].string;
            var dataProp = data[i].prop;
            this.versionSearchString = data[i].versionSearch || data[i].identity;
            if (dataString) {
                if (dataString.indexOf(data[i].subString) != -1)
                    return data[i].identity;
            }
            else if (dataProp)
                return data[i].identity;
        }
    },
    searchVersion: function (dataString) {
        var index = dataString.indexOf(this.versionSearchString);
        if (index == -1) return;
        return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
    },
    dataBrowser: [
    {
        string: navigator.userAgent,
        subString: "Chrome",
        identity: "Chrome"
    },
    {
        string: navigator.userAgent,
        subString: "OmniWeb",
        versionSearch: "OmniWeb/",
        identity: "OmniWeb"
    },
    {
        string: navigator.vendor,
        subString: "Apple",
        identity: "Safari",
        versionSearch: "Version"
    },
    {
        prop: window.opera,
        identity: "Opera"
    },
    {
        string: navigator.vendor,
        subString: "iCab",
        identity: "iCab"
    },
    {
        string: navigator.vendor,
        subString: "KDE",
        identity: "Konqueror"
    },
    {
        string: navigator.userAgent,
        subString: "Firefox",
        identity: "Firefox"
    },
    {
        string: navigator.vendor,
        subString: "Camino",
        identity: "Camino"
    },
    {		// for newer Netscapes (6+)
        string: navigator.userAgent,
        subString: "Netscape",
        identity: "Netscape"
    },
    {
        string: navigator.userAgent,
        subString: "MSIE",
        identity: "Explorer",
        versionSearch: "MSIE"
    },
    {
        string: navigator.userAgent,
        subString: "Gecko",
        identity: "Mozilla",
        versionSearch: "rv"
    },
    { 		// for older Netscapes (4-)
        string: navigator.userAgent,
        subString: "Mozilla",
        identity: "Netscape",
        versionSearch: "Mozilla"
    }
    ],
    dataOS : [
    {
        string: navigator.platform,
        subString: "Win",
        identity: "Windows"
    },
    {
        string: navigator.platform,
        subString: "Mac",
        identity: "Mac"
    },
    {
        string: navigator.userAgent,
        subString: "iPhone",
        identity: "iPhone/iPod"
    },
    {
        string: navigator.platform,
        subString: "Linux",
        identity: "Linux"
    }
    ]

};
BrowserDetect.init();
var sessionLess={};
sessionLess.enable=false;
if(BrowserDetect.browser=="Safari"){
    sessionLess.enable=true;
}

function callServer(url, fct){

    var params = new Object();
    var items = url.split("?")[1].split("&");
    for(var i=0;i<items.length;i++){
        params[items[i].split("=")[0]] = decodeURI(items[i].split("=")[1]);
    }
    params.method = "XMLHTTPRequest";
    params.refresh = new Date().getTime();
    //time to implements jsonp with dsr, ask agilbert
    var callUrl=url.split("?")[0];
    if(sessionLess.enable)
        callUrl=callUrl+";jsessionid="+sessionLess.sessionId;
    new Ajax.Request(callUrl,
    {
        parameters: params,
        onSuccess: function(response) {
            if(response instanceof Error){
                console.warn("WsNav callServer Error: "+response);
            } else {
                if(fct){
                    var responseObject = eval("("+response.responseText+")");
                    fct(responseObject);
                }
            }
        },
        onFailure: function(transport) {

        }
    }
    );

}

ServerLayer.prototype.requestMap=function(requestParams, soloRequest){
    if(!requestParams) {
        this.setBounds(this.state.bounds, this.wsnav.config.srs);
        return;
    }
    this.wsnav.eventDispatcher.dispatch("before_layer_loading", {"layer": this});
    this.loaded = false;
    var temp = this;
    callServer(this.state.serverURL+"MainServlet"
                +"?config="+encodeURI(dojo.toJson(this.wsnav.config))
                +"&state="+encodeURI(dojo.toJson(this.state))
                +"&requestParams="+encodeURI(dojo.toJson(requestParams)),
        function test(response, ioArgs){
            temp.state = response.state;
            if(!soloRequest)
                temp.wsnav.eventDispatcher.dispatch("layer_loaded", {"layer": temp});
            if(sessionLess.enable){
                var callUrl=response.responseParams.imageURL.split("?")[0];
                var key=response.responseParams.imageURL.split("?")[1];
                temp.getImageRef(temp.activeFlag*-1).src = temp.state.serverURL+callUrl+";jsessionid="+sessionLess.sessionId+"?"+key+'&site='+$('site').value;

            }else{
               temp.getImageRef(temp.activeFlag*-1).src = temp.state.serverURL+response.responseParams.imageURL+'&site='+$('site').value;

            }
        }
    );
}