Pobieram wszystkie znaczniki i umieszczam na mapie,
następnie pobieram znaczniki będące tylko podzbiorem tamtych znaczników, czyszcząc oczywiście mapę i tablicę,
i jest ok do czasu kiedy zrobie zoom - powracają wszystkie poprzednie znaczniki.
Kod poucinany tu i ówdzie wygląda tak:
<script type='text/javascript'> <!--
var mapa = null;
var obszar = null;
var markery = [];
var mmgr;
$(function(){
load_map();
$("input[type=submit]").click(function(){
$('.ajax-loader').slideDown('slow');
var form = $("form#map_search").serialize();
$.ajax({
url: "<?php echo url::base(); ?>ajax/getObjects/",
type: "POST",
data: form,
dataType: "xml",
success: function(data){
markers = data.documentElement.getElementsByTagName('marker');
dodajMarkery(markers);
$('.ajax-loader').slideUp('slow');
},
error: function( xhrInstance, message, optional ){ alert(xhrInstance + " - " + message); }
});
return false;
});
<?php if(isset($subdomain_city)){ ?>
$("input[type=submit]").trigger('click');
<?php } ?>
});
// definiuje ikony
var icon_normal = new GIcon();
icon_normal.image = '<?php echo url::base(); ?>assets/img/marker_normal.png';
icon_normal.shadow = "<?php echo url::base(); ?>assets/img/shadow-marker_normal.png";
icon_normal.shadowSize = new GSize(25,16);
icon_normal.iconSize = new GSize(16,16);
icon_normal.infoWindowAnchor = new GPoint(16,16);
icon_normal.iconAnchor = new GPoint(10,10);
var icon_distinction = new GIcon(icon_normal);
icon_distinction.image = '<?php echo url::base(); ?>assets/img/marker_distinction.png';
var icon_rebate = new GIcon(icon_normal);
icon_rebate.image = '<?php echo url::base(); ?>assets/img/marker_rebate.png';
var icon_all_year = new GIcon(icon_normal);
icon_all_year.image = '<?php echo url::base(); ?>assets/img/marker_all_year.png';
function dodajMarkery(markers)
{
wyczyscMape();
//console.log(markers);
markers_number = markers.length;
if(markers_number){
$("#lokalizator .details").show();
$("#lokalizator .details strong").html(markers_number);
} else {
$("#lokalizator .details").hide();
}
for (var i = 0; i < markers_number; i++)
{
//console.log(i);
_marker = markers[i];
var lat = _marker.getAttribute('lat');
var lng = _marker.getAttribute('lng');
var punktLatLng = new GLatLng(parseFloat(lat),parseFloat(lng));
icon = definiujIkone(_marker);
var marker = new GMarker(punktLatLng, {icon: icon, clickable: true, title: _marker.getAttribute('title')});
dodajMarker(marker, minimalnyZoom(_marker), "<div style='width: 300px; overflow: hidden;'><div style='float: left; width: 18px;'><img src='"+icon.image+"' /></div><div style='float: left; width: 280px;'><a href='<?php echo url::base(); ?>"+_marker.getAttribute('category_slug')+","+_marker.getAttribute('id')+"' style='font-size: 1.1em;'><strong>"+_marker.getAttribute('title')+"</strong></a><br /><div style='padding: 10px 0; margin-top: 10px; border-bottom: 1px solid #eee; border-top: 1px solid #eee;'>"+_marker.getAttribute('description')+"</div><br /><a href='<?php echo url::base(); ?>"+_marker.getAttribute('category_slug')+","+_marker.getAttribute('id')+"'><img src='"+_marker.getAttribute('image')+"' style='border: 1px solid #f3f3f3; width: 100px; margin: 10px 0 0 75px;' /></a></div></div>");
markery.push(marker);
}
}
function dodajMarker(marker, minZoom, html){
mmgr.addMarker(marker, minZoom, 17);
GEvent.addListener(marker, "click", function() {
marker.openInfoWindowHtml(html);
});
}
function definiujIkone(marker){
if(marker.getAttribute('distinction') == 1) icon_type = icon_distinction;
else if(marker.getAttribute('rebate') != 0) icon_type = icon_rebate;
else if(marker.getAttribute('all_year') == 1) icon_type = icon_all_year;
else icon_type = icon_normal;
return icon_type;
}
function wyczyscMape(){
mapa.clearOverlays();
var markery = [];
}
function minimalnyZoom(marker_xml){
packet = marker_xml.getAttribute('packet');
if(packet == 2) return 11;
else if(packet == 1) return 9;
else if(packet == 3) return 7;
}
function load_map()
{
if(GBrowserIsCompatible())
{
mapa = new google.maps.Map(document.getElementById('map'));
mmgr = new GMarkerManager(mapa,{maxZoom: 17});
<?php if(isset($subdomain_city)){ ?>
mapa.setCenter(new GLatLng(<?php echo $subdomain_city->lat ?>,<?php echo $subdomain_city->lng ?>),14);
<?php } else { ?>
mapa.setCenter(new GLatLng(53.90692700949985,17.830810546875),7);
<?php } ?>
mapa.addControl(new GScaleControl());
mapa.addControl(new GLargeMapControl());
mapa.addControl(new GMapTypeControl());
mapa.enableContinuousZoom();
mapa.enableScrollWheelZoom();
mapa.addControl(new GOverviewMapControl());
mapa.addMapType(G_PHYSICAL_MAP)
GEvent.addListener(mapa,'mousemove',function(p)
{
if(!obszar || !obszar.punkt1)
return;
obszar.ustawPunktKoncowy(p);
});
GEvent.addListener(mapa,'click',function(o,p)
{
if(obszar && obszar.status != "stop"){
obszar.remove();
obszar = null;
}
});
GEvent.addListener(mapa,'singlerightclick',function(o,p)
{
//if(!p) return;
if(obszar && obszar.status == "stop"){
obszar.remove();
obszar = null;
}
if(!obszar){
p = mapa.fromContainerPixelToLatLng(o);
obszar = new ZaznaczObszar(p);
obszar.status = "move";
mapa.addOverlay(obszar);
} else {
obszar.status = "stop";
latlngs = obszar.pobierz();
window.location = "<?php echo url::base(); ?>szukaj?latlngs="+latlngs;
}
});
}
}
-->
google map, powracające znaczniki
poczytaj 