add mapquest layer

[syj.git] / public / js / syj.js

diff --git a/public/js/syj.js b/public/js/syj.js
index 85db31ac775e901508f4b65116bf498449d94fcb..02336343d9d781d8f6bacb808b4855ea8180b413 100644 (file)
--- a/public/js/syj.js
+++ b/public/js/syj.js
@@ -272,7 +272,7 @@ var SYJView = {
     mode: 'view',
 
     init: function() {
-        var externalGraphic, baseURL, baseLayer, layerOptions, hidemessenger;
+        var externalGraphic, baseURL, osmLayer, layerOptions, hidemessenger, layerCode, parameters;
 
         // is svg context, opera does not resolve links with base element is svg context
         externalGraphic = styleMap.edit.styles.select.defaultStyle.externalGraphic;
@@ -283,16 +283,24 @@ var SYJView = {
             controls: [
                 new OpenLayers.Control.Navigation(),
                 new OpenLayers.Control.PanZoom(),
+                this.createLayerSwitcher(),
                 new OpenLayers.Control.Attribution()
             ],
             theme: null
         });
 
-        baseLayer = new OpenLayers.Layer.OSM("OSM", [
+        osmLayer = new OpenLayers.Layer.OSM("OSM", [
                 'http://a.tile.openstreetmap.org/${z}/${x}/${y}.png',
                 'http://b.tile.openstreetmap.org/${z}/${x}/${y}.png',
                 'http://c.tile.openstreetmap.org/${z}/${x}/${y}.png'],
-                { wrapDateLine: true , attribution: SyjStrings.osmAttribution });
+                { wrapDateLine: true , attribution: SyjStrings.osmAttribution, layerCode: 'O'});
+
+        mapquestLayer = new OpenLayers.Layer.OSM("Mapquest", [
+            'http://otile1.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
+            'http://otile2.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
+            'http://otile3.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
+            'http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png'],
+                { wrapDateLine: true , attribution: SyjStrings.mapquestAttribution, layerCode: 'M'});
 
         layerOptions = {format:     OpenLayers.Format.WKT,
                         projection: WGS84,
@@ -300,7 +308,34 @@ var SYJView = {
                         attribution: SyjStrings.geomAttribution };
 
         this.viewLayer = new OpenLayers.Layer.Vector("View Layer", layerOptions);
-        this.map.addLayers([baseLayer, this.viewLayer]);
+        this.map.addLayers([osmLayer, mapquestLayer, this.viewLayer]);
+
+        this.map.setBaseLayer(mapquestLayer);
+        layerCode = null;
+        parameters = OpenLayers.Util.getParameters(window.location.href);
+        if (parameters.layer) {
+            layerCode = parameters.layer;
+            try {
+                store.remove('baselayer');
+            } catch(e) {}
+        } else {
+            try {
+                layerCode = store.get('baselayer');
+            } catch(e) {}
+        }
+
+        if (layerCode) {
+            layerCode = layerCode.toUpperCase();
+            var self = this;
+            $([osmLayer, mapquestLayer]).each(function(layer) {
+                if (layer.layerCode === layerCode) {
+                    self.map.setBaseLayer(layer);
+                }
+            });
+        }
+
+
+        this.map.events.register("changebaselayer", this, this.saveBaseLayer);
 
         if ($("edit-btn")) {
             $("edit-btn").observe('click', function() {
@@ -431,6 +466,33 @@ var SYJView = {
         SYJPathLength.update();
     },
 
+    saveBaseLayer: function(data) {
+        try {
+            store.set('baselayer', data.layer.layerCode);
+        } catch(e) {}
+    },
+
+    createLayerSwitcher: function() {
+        var control = new OpenLayers.Control.LayerSwitcher({roundedCorner: false});
+        // XXX: we need to "live-patch" LayerSwitcher to use our icons. We use
+        // a regexp instead of a string in case OpenLayers is modified and in
+        // case browsers modify the function representation
+        control.loadContents = eval('(function() { return (' + control.loadContents.toString().replace(
+                    /\s*=\s*imgLocation\s*\+\s*['"]layer-switcher-maximize\.png['"]\s*;/,
+                    " = 'icons/layer-switcher-maximize-flipped.png';"
+                    ) + ')}())');
+        var oldMaximizeControl = control.maximizeControl;
+        var self = this;
+        control.maximizeControl = (function(oldfunc) {
+            return function() {
+                oldfunc.apply(control, arguments);
+                self.messenger.hide();
+            };
+        }(control.maximizeControl));
+
+        return control;
+    },
+
     initMaPos: function (aPos) {
         var extent = null, center = null, zoom = 0;