public/js/syjraw.js

   1 var WGS84 = new OpenLayers.Projection("EPSG:4326");
   2 var Mercator = new OpenLayers.Projection("EPSG:900913");
   3
   4 var styleMap = {
   5     view: new OpenLayers.StyleMap({
   6         "default": new OpenLayers.Style({
   7             strokeColor: "blue",
   8             strokeWidth: 5,
   9             strokeOpacity: 0.7
  10         })
  11     })
  12 };
  13
  14 function resizeMap() {
  15     var map = document.getElementById('map');
  16     map.style.width = map.offsetWidth.toString() + 'px';
  17     map.style.height = map.offsetHeight.toString() + 'px';
  18 }
  19
  20 function mapquestLayer() {
  21       return new OpenLayers.Layer.OSM("Mapquest", [
  22                 'http://otile1.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
  23                 'http://otile2.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
  24                 'http://otile3.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
  25                 'http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png'],
  26                     { attribution: SyjStrings.mapquestAttribution});
  27 }
  28
  29 function osmLayer() {
  30     return new OpenLayers.Layer.OSM("OSM", [
  31                 'http://a.tile.openstreetmap.org/${z}/${x}/${y}.png',
  32                 'http://b.tile.openstreetmap.org/${z}/${x}/${y}.png',
  33                 'http://c.tile.openstreetmap.org/${z}/${x}/${y}.png'],
  34                 { attribution: SyjStrings.osmAttribution});
  35 }
  36
  37 function init() {
  38     var map = new OpenLayers.Map('map', {
  39                 controls: [ new OpenLayers.Control.Attribution() ],
  40                 theme: null}),
  41
  42          parameters = OpenLayers.Util.getParameters(window.location.href),
  43          baseLayer = null,
  44
  45          layerOptions = {format:     OpenLayers.Format.WKT,
  46                         projection: WGS84,
  47                         styleMap:   styleMap.view,
  48                         attribution: SyjStrings.geomAttribution },
  49
  50         viewLayer = new OpenLayers.Layer.Vector("View Layer", layerOptions),
  51         wkt = new OpenLayers.Format.WKT({ internalProjection: Mercator, externalProjection: WGS84 });
  52
  53     if (parameters.layer) {
  54         switch (parameters.layer.toUpperCase()) {
  55             case 'M':
  56              baseLayer = mapquestLayer();
  57             break;
  58             case 'O':
  59              baseLayer = osmLayer();
  60             break;
  61         }
  62     }
  63
  64     if (!baseLayer) {
  65         baseLayer = osmLayer();
  66     }
  67
  68     map.addLayers([baseLayer, viewLayer]);
  69     viewLayer.addFeatures([wkt.read(gInitialGeom.data)]);
  70     extent = viewLayer.getDataExtent();
  71     map.updateSize();
  72     map.zoomToExtent(extent);
  73     resizeMap();
  74 }
  75
  76 window.onresize = function() {
  77     resizeMap();
  78 };
  79
  80 if (window.addEventListener) {
  81     window.addEventListener("load", init, false);
  82 } else {
  83     window.attachEvent("onload", init);
  84 }