var map;
var district = null;
var events = new Array();
var removed = new Array();

//$(window).scroll(function(){ $('#th-map-container').css('top',$(window).scrollTop()); });

google.load('search', '1', {
    language: 'it'
});

google.setOnLoadCallback(function () {
    var customSearchControl = new google.search.CustomSearchControl('016018451320600003173:geqiec8sile');
    customSearchControl.setResultSetSize(google.search.Search.FILTERED_CSE_RESULTSET);
    customSearchControl.setSearchCompleteCallback(this, function () {
        searchComplete(null);
        $('#th-map-filter').css('display','none');
        filterDistrict(null);
        removed = new Array();
    }, null);
    customSearchControl.setNoResultsString("Nessun risultato trovato.")
    customSearchControl.draw('th-cse');
}, true);

function filterDistrict(object) {

    var d = $(".districts");
    for (var i = 0; i < d.length; i++)
    d[i].style.fontWeight = 'normal';
    if (object != null){ object.style.fontWeight = 'bold'; district = object.id;}else district = null;
}

// FIXED FOR IE ISSUE (NOT EXIST)
function getElementsByMultipleClass(searchClass, node, tag) {

    if (document.getElementsByMultipleClassName) {
        if (node == null) return document.getElementsByMultipleClassName(searchClass);
        else return node.getElementsByMultipleClassName(searchClass);
    }
    else {

        var classElements = new Array();
        if (node == null) node = document;
        if (tag == null) tag = '*';
        var els = node.getElementsByTagName(tag);
        var elsLen = els.length;
        var pattern = new RegExp("(^|\\s)" + searchClass + "(\\s|$)");
        for (i = 0, j = 0; i < elsLen; i++) {
            if (pattern.test(els[i].className)) {
                classElements[j] = els[i];
                j++;
            }
        }
        return classElements;
    }
}


function TicinoHelpMotionMap(object) {

    document.getElementById('th-map-container').style.display = 'none';  //qui modificato inline
	document.getElementById('th-news').style.display = 'inline'; // per togliere i box dalla pagina dei risultati
	document.getElementById('info').style.display = 'none'; // per togliere i box dalla pagina dei risultati
	document.getElementById('sponsor').style.display = 'block';

    if (object == null || object.src.indexOf('left') != -1) {

        document.getElementById('th-body-right').style.display = 'inline';
        document.getElementById('th-map-tab').src = './images/map_right.jpg';
        $("#th-map-container").animate({
            right: "-20px"
        }, 1000, function () {
            document.getElementById('th-container').style.overflow = 'visible';
            document.getElementById('th-body-left').style.width = '75%';
        });
    } else {
        document.getElementById('th-map-tab').src = './images/map_left.jpg';
        document.getElementById('th-container').style.overflow = 'hidden';
        $("#th-map-container").animate({
            right: "-370px"
        }, 500);
        document.getElementById('th-body-left').style.width = '78%';
    }
}

function searchComplete(district) {

    TicinoHelpMotionMap(null);

    document.getElementById('th-district').style.display = 'inline';

    var list, list_url_short, index, sites, sites_url, search;

    search = document.getElementsByTagName("iframe")[0].src;
    search = search.substr(search.indexOf('q=') + 2, (search.indexOf('&') - search.indexOf('q=')) - 2);
    
	list_url_short = getElementsByMultipleClass("gs-visibleUrl gs-visibleUrl-short", getElementsByMultipleClass("gsc-resultsRoot gsc-tabData gsc-tabdActive")[0]);
	if (list_url_short == null) list_url_short = getElementsByMultipleClass("gs-visibleUrl gs-visibleUrl-short", results);
    list = getElementsByMultipleClass("gs-visibleUrl gs-visibleUrl-long", getElementsByMultipleClass("gsc-resultsRoot gsc-tabData gsc-tabdActive")[0]);
    if (list == null) list = getElementsByMultipleClass("gs-visibleUrl gs-visibleUrl-long", results);

    sites = '';
    sites_url = '';
    for (index = 0; index < list.length; ++index) {

        if (list[index].innerHTML) {
            sites += list[index].innerHTML + ',';
            sites_url += list_url_short[index].innerHTML + ',';
        }
    }

    $.get("./geoviz_request.php", {
        request: "results",
        sites: sites,
        sites_url: sites_url,
        search: search,
        district: district
    }, function (data) {
        initialize(data, district);
    });
}

function initialize(data, district) {

    var mapDiv = document.getElementById('th-map');
    map = new google.maps.Map(mapDiv, {
        mapTypeId: google.maps.MapTypeId.ROADMAP
    });
    
    var districts = new Array("bellinzona", "blenio", "leventina", "locarno", "lugano", "mendrisio", "riviera", "vallemaggia");

    for (var i = 0; i < 8; i++) {
        if (district == null || district == districts[i]) {
            var ctaLayer = new google.maps.KmlLayer('' + districts[i] + '_district.kml', {
                suppressInfoWindows: true
            });
            ctaLayer.setMap(map);
        }
    }

    google.maps.event.addListenerOnce(map, 'tilesloaded', function () {
        var lat, lng, ind, url, lbl, label, color, list, index, tab, icon;
        var bounds = map.getBounds();
        var results = new Array();
        var inactive = new Array();
        var labels = new Array("A", "B", "C", "D", "E", "F", "G", "H", "I", "J");
        var tabs = new Array();
        var colors = new Array();
        var latlng = new Array();

        // INIT TABS LABEL
        tabs["ambiente"] = "darkgrey";
        tabs["sport_e_tempo_libero"] = "feedstergreen";
        tabs["aziende"] = "pink";
        tabs["pubblica_amministrazione"] = "brown";
        tabs["scuola_ed_educazione"] = "purple";
        tabs["associazioni"] = "yellow";
        tabs["eventi_e_spettacoli"] = "paleblue";
        tabs["turismo_e_trasporti"] = "green";
        tabs["enogastronomia"] = "blue";
        tabs["salute"] = "darkgreen";
        tabs["cultura_e_religione"] = "orange";
        tabs["news_e_informazione"] = "grey";
        tabs["ticinohelp"] = "red";

        // INIT COLORS
        colors["ambiente"] = "#7f7f7f";
        colors["sport_e_tempo_libero"] = "#98cd00";
        colors["aziende"] = "#fdabff";
        colors["pubblica_amministrazione"] = "#cb9d7c";
        colors["scuola_ed_educazione"] = "#c89bff";
        colors["associazioni"] = "#ffed5c";
        colors["eventi_e_spettacoli"] = "#bce3ff";
        colors["turismo_e_trasporti"] = "#97ec7d";
        colors["enogastronomia"] = "#6b98ff";
        colors["salute"] = "#01bf00";
        colors["cultura_e_religione"] = "#fd8d08";
        colors["news_e_informazione"] = "#dadeea";
        colors["ticinohelp"] = "#ff776b";

        list = getElementsByMultipleClass("gs-visibleUrl gs-visibleUrl-short", getElementsByMultipleClass("gsc-resultsRoot gsc-tabData gsc-tabdActive")[0]);
        if (list == null) list = getElementsByMultipleClass("gs-visibleUrl gs-visibleUrl-short", results);
       
        // REMOVE OLD MARKER
        icon = $(".th-marker");
           
        for (var i in icon) {
        if(typeof icon[i] == 'object'){
           if(icon[i].parentNode)
           icon[i].parentNode.removeChild(icon[i]);
          }
        }
        
        // CLEAR BORDER COLOR
        inactive = getElementsByMultipleClass("gsc-tabHeader gsc-tabhInactive");
        for (var i in inactive) {
            if (inactive[i].style) {
                inactive[i].style.borderTop = '0';
            }
        }

        tab = getElementsByMultipleClass("gsc-tabHeader gsc-tabhActive")[0].innerHTML.replace(/ /g, '_').toLowerCase();

        // ADD EVENT FOR TAB RELOAD PROBLEM
        if (events[tab] == null) {
        $(getElementsByMultipleClass("gsc-tabHeader gsc-tabhActive")[0]).click(
            function () {
                searchComplete(district);
                document.getElementById('th-map-filter').style.display = 'none';
                filterDistrict(null);
                removed = new Array();
            });
            events[tab] = true;
        }

        // CHANGE BORDER COLOR
        getElementsByMultipleClass("gsc-tabHeader gsc-tabhActive")[0].style.borderTop = 'solid ' + colors[tab] + ' 2px';

        results = data.split('|EOL|');
        
        for (i = 0; i < (results.length) - 1; i++) {

            var results_data = new Array();
            results_data = results[i].split('|');

            ind = results_data[0];
            lat = results_data[1];
            lng = results_data[2];
            url = results_data[3];
            lbl = results_data[4];
            
            if (ind == "") continue;

            for (index = 0; index < list.length; ++index) {
                        
                if (lbl!=label && list[index].parentNode.lastChild.children[0]==null) {
                    if (url != null && labels[index] == lbl) {
                        var newdiv = document.createElement('div');
                        $(newdiv).addClass('th-marker');
                        var img = new Image(); img.setAttribute('src','./images/markers/'+tabs[tab]+'_Marker'+lbl+'.png');                        img.setAttribute('id','gevent-'+lbl);
                        img.setAttribute('alt',url);
                        img.setAttribute('title',url);
                        eval('img.onclick = function(){ '+lbl+'(); }');
                        if(removed[lbl]==true)
                        $(img).addClass('transparency');
                        newdiv.appendChild(img);
                        var img2 = new Image();
                        if(removed[lbl]==true)
                        img2.setAttribute('src','./images/add.gif');
                        else
                        img2.setAttribute('src','./images/remove.gif');
                        img2.setAttribute('id',lbl);
                        img2.setAttribute('alt',url);
                        img2.setAttribute('title',url);
                        img2.onclick = function(){if(this.src.indexOf('remove')!=-1) removed[this.id] = true; else removed[this.id] = false; searchComplete(district);};
                        newdiv.appendChild(img2);
                        list[index].parentNode.appendChild(newdiv);
                        label = lbl;
                        break;
                    }
                }        
            }

if(removed[label]==true)
continue;

            latlng.push(new google.maps.LatLng(lat, lng));
            var location = new google.maps.LatLng(lat, lng);

            var image = './images/markers/'+tabs[tab]+'_Marker'+label+'.png';
            var marker = new google.maps.Marker({
                position: location,
                map: map,
                icon: image
            });

            attachInfo(marker, lbl, ind.replace(/\\/g, ''));
        }

        var latlngbounds = new google.maps.LatLngBounds();
        for (var i = 0; i < latlng.length; i++) {
            latlngbounds.extend(latlng[i]);
        }

        if (latlng.length == 0) {
            latlngbounds.extend(new google.maps.LatLng(45.9, 9.1));
            latlngbounds.extend(new google.maps.LatLng(46.5, 8.5));
        }

		// CENTERING MAP
        map.setCenter(latlngbounds.getCenter());
        if (latlng.length != 1) {
            map.fitBounds(latlngbounds);
        }
    });
}

function attachInfo(marker, label, text) {
    var infowindow = new google.maps.InfoWindow({
        content: text,
        disableAutoPan: false
    });
    
google.maps.event.addDomListener(document.getElementById('gevent-'+label), 'mouseover', function() {
		infowindow.open(map, marker);
	});
	
	google.maps.event.addDomListener(document.getElementById('gevent-'+label), 'mouseout', function() {
		infowindow.close(map, marker);
	});

    google.maps.event.addListener(marker, 'mouseover', function () {
        infowindow.open(map, marker);
    });
    
    google.maps.event.addListener(marker, 'mouseout', function () {
        infowindow.close(map, marker);
    });
}