hs-css/js/map.js

94 lines
3.1 KiB
JavaScript

/** include - including .js files from JS - bfults@gmail.com - 2005-02-09 **
** Code licensed under Creative Commons Attribution-ShareAlike License **
** http://creativecommons.org/licenses/by-sa/2.0/ **/
var hIncludes = null;
function include(sURI, cls, id, ignore_duplicates)
{
if (document.getElementsByTagName) {
if (!ignore_duplicates && !hIncludes) {
hIncludes = {};
var cScripts = document.getElementsByTagName("script");
for (var i=0,len=cScripts.length; i < len; i++)
if (cScripts[i].src) hIncludes[cScripts[i].src] = cScripts[i];
}
if (ignore_duplicates || !hIncludes[sURI]) {
var oNew = document.createElement("script");
oNew.type = "text/javascript";
oNew.src = sURI;
if (cls != undefined) oNew.className = cls;
if (id != undefined) oNew.id = id;
if (hIncludes != undefined) hIncludes[sURI]=true;
document.getElementsByTagName("head")[0].appendChild(oNew);
}
return (ignore_duplicates || hIncludes[sURI]);
}
return false
}
/* code borrowed from rysiek at brama. */
include('/js/openlayers/OpenLayers.js', 'js-libs');
var osm, map, markers_layer, zoom, center, brama_pos, epsg4326;
function initOpenLayersMap(mapobj) {
zoom = 16
center = new OpenLayers.LonLat(21.002971, 52.246246);
hs_pos = new OpenLayers.LonLat(21.002971, 52.246246);
epsg4326 = new OpenLayers.Projection("EPSG:4326");
map = new OpenLayers.Map(mapobj, {maxResolution: 0.703125});
osm = new OpenLayers.Layer.OSM.Mapnik("OpenStreetMap (Mapnik)", {
displayOutsideMaxExtent: true,
wrapDateLine: true,
buffer: 0
});
map.addLayer(osm);
map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom);
markers_layer = new OpenLayers.Layer.Markers("Markery");
var icon_size = new OpenLayers.Size(50, 30);
var icon_offset = new OpenLayers.Pixel(-(icon_size.w/2), -(icon_size.h/2));
var hs = new OpenLayers.Marker(
hs_pos.clone().transform(epsg4326, map.getProjectionObject()),
new OpenLayers.Icon('/img/hackerspace.svg', icon_size, icon_offset)
);
markers_layer.setVisibility(true);
markers_layer.addMarker(hs);
map.addLayer(markers_layer);
}
var map_attempt_timeout = 500;
var map_attempts_no = 30;
function mapInitAttempt() {
if ( (typeof OpenLayers != 'undefined') && (typeof OpenLayers.Layer.OSM.Mapnik != 'undefined') ) {
$(this).stopTime()
$('#map img').fadeOut('fast', function(){
$("#map").addClass('osm')
initOpenLayersMap("map")
});
} else {
if ( ($("script[src='/js/openlayers/openstreetmap.js']").length == 0) && (typeof OpenLayers != 'undefined') && (typeof OpenLayers.Layer.OSM.Mapnik == 'undefined') ) {
include('/js/openlayers/openstreetmap.js', 'js-libs');
}
map_attempts_no--
if (map_attempts_no > 0) {
if (typeof console != 'undefined') console.debug('OSM/OL :: not yet... (' + map_attempts_no + ' attempts left)')
} else {
$(this).stopTime()
if (typeof console != 'undefined') console.debug('OSM/OL :: not yet... cancelling.')
}
}
}
$(document).ready(function(){
$(this).everyTime(map_attempt_timeout, mapInitAttempt);
});