public/js/syjraw.js

   1 /*  This file is part of Syj, Copyright (c) 2010-2011 Arnaud Renevier,
   2     and is published under the AGPL license. */
   3
   4 "use strict";
   5
   6 var WGS84 = new OpenLayers.Projection("EPSG:4326");
   7 var Mercator = new OpenLayers.Projection("EPSG:900913");
   8
   9 var styleMap = {
  10     view: new OpenLayers.StyleMap({
  11         "default": new OpenLayers.Style({
  12             strokeColor: "blue",
  13             strokeWidth: 5,
  14             strokeOpacity: 0.7
  15         })
  16     })
  17 };
  18
  19 function resizeMap() {
  20     var map = document.getElementById('map');
  21     map.style.width = map.offsetWidth.toString() + 'px';
  22     map.style.height = map.offsetHeight.toString() + 'px';
  23 }
  24
  25 function mapquestLayer() {
  26       return new OpenLayers.Layer.OSM("MapQuest", [
  27                 'http://otile1.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
  28                 'http://otile2.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
  29                 'http://otile3.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
  30                 'http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png'],
  31                     { attribution: SyjStrings.mapquestAttribution});
  32 }
  33
  34 function mapnikLayer() {
  35     return new OpenLayers.Layer.OSM("Mapnik", [
  36                 'http://a.tile.openstreetmap.org/${z}/${x}/${y}.png',
  37                 'http://b.tile.openstreetmap.org/${z}/${x}/${y}.png',
  38                 'http://c.tile.openstreetmap.org/${z}/${x}/${y}.png'],
  39                 { attribution: SyjStrings.osmAttribution});
  40 }
  41
  42 function init() {
  43     var map = new OpenLayers.Map('map', {
  44                 controls: [
  45                     new OpenLayers.Control.Navigation(),
  46                     new OpenLayers.Control.Attribution()
  47                 ],
  48                 theme: null}),
  49
  50          parameters = OpenLayers.Util.getParameters(window.location.href),
  51          baseLayer = null,
  52
  53          layerOptions = {format:     OpenLayers.Format.WKT,
  54                         projection: WGS84,
  55                         styleMap:   styleMap.view,
  56                         attribution: SyjStrings.geomAttribution },
  57
  58         viewLayer = new OpenLayers.Layer.Vector("View Layer", layerOptions),
  59         wkt = new OpenLayers.Format.WKT({ internalProjection: Mercator, externalProjection: WGS84 });
  60
  61     if (parameters.layer) {
  62         switch (parameters.layer.toUpperCase()) {
  63             case 'Q':
  64              baseLayer = mapquestLayer();
  65             break;
  66             case 'M':
  67              baseLayer = mapnikLayer();
  68             break;
  69         }
  70     }
  71
  72     if (!baseLayer) {
  73         baseLayer = mapnikLayer();
  74     }
  75
  76     map.addLayers([baseLayer, viewLayer]);
  77     viewLayer.addFeatures([wkt.read(gInitialGeom.data)]);
  78     var extent = viewLayer.getDataExtent();
  79     map.updateSize();
  80     map.zoomToExtent(extent);
  81     resizeMap();
  82 }
  83
  84 window.onresize = function() {
  85     resizeMap();
  86 };
  87
  88 if (window.addEventListener) {
  89     window.addEventListener("load", init, false);
  90 } else {
  91     window.attachEvent("onload", init);
  92 }