Merge branch 'upstream-master' into deprecated.js

examples/georss-flickr.html

@@ -50,21 +50,20 @@
             
             style.addRules([rule, elseRule]);
             
-            // Create a GML layer with GeoRSS format and a style map.
-            markerLayer = new OpenLayers.Layer.GML("Some images from Flickr",
-                                                   "xml/georss-flickr.xml", {
-                format: OpenLayers.Format.GeoRSS,
-                formatOptions: {
+            // Create a Vector layer with GeoRSS format and a style map.
+            markerLayer = new OpenLayers.Layer.Vector("Some images from Flickr", {
+                protocol: new OpenLayers.Protocol.HTTP({
+                    url: "xml/georss-flickr.xml",
+                    format: new OpenLayers.Format.GeoRSS({
                         // adds the thumbnail attribute to the feature
                         createFeatureFromItem: function(item) {
-                        var feature = OpenLayers.Format.GeoRSS.prototype
-                                .createFeatureFromItem.apply(this, arguments);
-                        feature.attributes.thumbnail =
-                                this.getElementsByTagNameNS(
-                                item, "*", "thumbnail")[0].getAttribute("url");
+                            var feature = OpenLayers.Format.GeoRSS.prototype.createFeatureFromItem.apply(this, arguments);
+                            feature.attributes.thumbnail = this.getElementsByTagNameNS(item, "*", "thumbnail")[0].getAttribute("url");
                             return feature;
                         }
-                },
+                    })
+                }),
+                strategies: [new OpenLayers.Strategy.Fixed()],
                 // Giving the style map keys for "default" and "select"
                 // rendering intent, to make the image larger when selected
                 styleMap: new OpenLayers.StyleMap({

examples/gml-layer.html

@@ -20,7 +20,13 @@
                     "http://vmap0.tiles.osgeo.org/wms/vmap0", {layers: 'basic'} );
             map.addLayer(layer);
             map.zoomToExtent(new OpenLayers.Bounds(-3.922119,44.335327,4.866943,49.553833));
-            map.addLayer(new OpenLayers.Layer.GML("GML", "gml/polygon.xml"));
+            map.addLayer(new OpenLayers.Layer.Vector("GML", {
+                protocol: new OpenLayers.Protocol.HTTP({
+                    url: "gml/polygon.xml",
+                    format: new OpenLayers.Format.GML()
+                }),
+                strategies: [new OpenLayers.Strategy.Fixed()]
+            }));
         }
     </script>
   </head>

lib/OpenLayers/Control.js

@@ -85,7 +85,7 @@ OpenLayers.Control = OpenLayers.Class({
 
     /** 
      * Property: allowSelection
-     * {Boolean} By deafault, controls do not allow selection, because
+     * {Boolean} By default, controls do not allow selection, because
      * it may interfere with map dragging. If this is true, OpenLayers
      * will not prevent selection of the control.
      * Default is false.

lib/OpenLayers/Map.js

@@ -1702,6 +1702,30 @@ OpenLayers.Map = OpenLayers.Class({
         }
     },
     
+    /**
+     * Method: adjustZoom
+     *
+     * Parameters:
+     * zoom - {Number} The zoom level to adjust
+     *
+     * Returns:
+     * {Integer} Adjusted zoom level that shows a map not wider than its
+     * <baseLayer>'s maxExtent.
+     */
+    adjustZoom: function(zoom) {
+        var resolution, resolutions = this.baseLayer.resolutions,
+            maxResolution = this.getMaxExtent().getWidth() / this.getSize().w;
+        if (this.getResolutionForZoom(zoom) > maxResolution) {
+            for (var i=zoom|0, ii=resolutions.length; i<ii; ++i) {
+                if (resolutions[i] <= maxResolution) {
+                    zoom = i;
+                    break;
+                }
+            }
+        }
+        return zoom;
+    },
+
     /**
      * Method: moveTo
      *
@@ -1723,6 +1747,9 @@ OpenLayers.Map = OpenLayers.Class({
                 zoom = Math.round(zoom);
             }
         }
+        if (this.baseLayer.wrapDateLine) {
+            zoom = this.adjustZoom(zoom);
+        }
         // dragging is false by default
         var dragging = options.dragging || this.dragging;
         // forceZoomChange is false by default

tests/Layer/WrapDateLine.html

@@ -131,7 +131,7 @@
 
         var url = "http://octo.metacarta.com/cgi-bin/mapserv";
         layer = new OpenLayers.Layer.WMS(name, url, params, {'wrapDateLine':true,encodeBBOX:true, buffer: 2});
-        var m = new OpenLayers.Map('map');
+        var m = new OpenLayers.Map('map', {adjustZoom: function(z) {return z;}});
         m.addLayer(layer);
         m.zoomToMaxExtent();
         t.eq(layer.grid[3][0].url, "http://octo.metacarta.com/cgi-bin/mapserv?MAP=%2Fmapdata%2Fvmap_wms.map&LAYERS=basic&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A4326&BBOX=0%2C-90%2C180%2C90&WIDTH=256&HEIGHT=256", "cell [3][0] is wrapped around the world.");
@@ -147,7 +147,7 @@
              "http://www.openlayers.org/world/index.php",
              {g: "satellite", map: "world"},
              {wrapDateLine: true, buffer: 2} ); 
-        var m = new OpenLayers.Map('map');
+        var m = new OpenLayers.Map('map', {adjustZoom: function(z) {return z;}});
         m.addLayer(layer);
         m.zoomToMaxExtent();
         t.eq(layer.grid[0][0].url, "http://www.openlayers.org/world/index.php?g=satellite&map=world&i=jpeg&t=-1280&l=0&s=221471921.25", "grid[0][0] kamap is okay");
@@ -165,7 +165,7 @@
                      "prov_bound,fedlimit,rail,road,popplace",
              transparent: "true", format: "image/png"},
             {wrapDateLine: true, reproject: false,encodeBBOX:true, buffer:2});
-        var m = new OpenLayers.Map('map');
+        var m = new OpenLayers.Map('map', {adjustZoom: function(z) {return z;}});
         m.addLayers([baselayer,layer]);
         m.zoomToMaxExtent();
         t.eq(layer.grid[0][0].url, "http://www2.dmsolutions.ca/cgi-bin/mswms_gmap?LAYERS=bathymetry%2Cland_fn%2Cpark%2Cdrain_fn%2Cdrainage%2Cprov_bound%2Cfedlimit%2Crail%2Croad%2Cpopplace&TRANSPARENT=true&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A4326&BBOX=0%2C450%2C180%2C630&WIDTH=256&HEIGHT=256", "grid[0][0] wms overlay is okay");

tests/Map.html

@@ -1967,6 +1967,23 @@
         t.eq(map.layerContainerDiv.style.top, '0px', 'layer container top correct');
     }
 
+    function test_adjustZoom(t) {
+        t.plan(3);
+        var map = new OpenLayers.Map({
+            div: 'map',
+            layers: [
+                new OpenLayers.Layer('name', {
+                    isBaseLayer: true,
+                    wrapDateLine: true
+                })
+            ]
+        });
+        map.zoomToMaxExtent();
+        t.ok(map.getResolution() <= map.getMaxExtent().getWidth() / map.getSize().w, "wrapDateLine map not wider than world");
+        
+        t.eq(map.adjustZoom(9), 9, "valid zoom maintained");
+        t.eq(map.adjustZoom(1), 2, "zoom adjusted to not exceed world width");
+    }
 
   </script>
 </head>

tests/manual/big-georss.html

@@ -16,7 +16,13 @@
                     "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );
             map.addLayer(layer);
             map.zoomToExtent(new OpenLayers.Bounds(-94.617035,33.010025,-89.645401,36.492752));
-            map.addLayer(new OpenLayers.Layer.GML("GML", "arkansas.rss", {format: OpenLayers.Format.GeoRSS}));
+            map.addLayer(new OpenLayers.Layer.Vector("arkansas", {
+                protocol: new OpenLayers.Protocol.HTTP({
+                    url: "arkansas.rss",
+                    format: new OpenLayers.Format.GeoRSS()
+                }),
+                strategies: [new OpenLayers.Strategy.Fixed()]
+            }));
         }
     </script>
   </head>