From d14bdc65777a6347c419f29e355fa9f1745de739 Mon Sep 17 00:00:00 2001
From: Struan Donald <struan@exo.org.uk>
Date: Mon, 12 Mar 2012 11:20:08 +0000
Subject: rough initial code for iPhone phonegap app

---
 phonegap/www/js/map-OpenStreetMap.js | 140 +++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 phonegap/www/js/map-OpenStreetMap.js

(limited to 'phonegap/www/js/map-OpenStreetMap.js')

diff --git a/phonegap/www/js/map-OpenStreetMap.js b/phonegap/www/js/map-OpenStreetMap.js
new file mode 100644
index 000000000..50f159635
--- /dev/null
+++ b/phonegap/www/js/map-OpenStreetMap.js
@@ -0,0 +1,140 @@
+function set_map_config(perm) {
+    var permalink_id;
+    if ($('#map_permalink').length) {
+        permalink_id = 'map_permalink';
+    }
+    fixmystreet.controls = [
+        new OpenLayers.Control.ArgParser(),
+        //new OpenLayers.Control.LayerSwitcher(),
+        new OpenLayers.Control.Navigation(),
+        new OpenLayers.Control.Permalink(permalink_id),
+        new OpenLayers.Control.PermalinkFMS('osm_link', 'http://www.openstreetmap.org/'),
+        new OpenLayers.Control.PanZoomFMS({id: 'fms_pan_zoom' })
+    ];
+}
+
+// http://www.openstreetmap.org/openlayers/OpenStreetMap.js (added maxResolution)
+
+/**
+ * Namespace: Util.OSM
+ */
+OpenLayers.Util.OSM = {};
+
+/**
+ * Constant: MISSING_TILE_URL
+ * {String} URL of image to display for missing tiles
+ */
+OpenLayers.Util.OSM.MISSING_TILE_URL = "http://www.openstreetmap.org/openlayers/img/404.png";
+
+/**
+ * Property: originalOnImageLoadError
+ * {Function} Original onImageLoadError function.
+ */
+OpenLayers.Util.OSM.originalOnImageLoadError = OpenLayers.Util.onImageLoadError;
+
+/**
+ * Function: onImageLoadError
+ */
+OpenLayers.Util.onImageLoadError = function() {
+    if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org\//)) {
+        this.src = OpenLayers.Util.OSM.MISSING_TILE_URL;
+    } else if (this.src.match(/^http:\/\/[def]\.tah\.openstreetmap\.org\//)) {
+        // do nothing - this layer is transparent
+    } else {
+        OpenLayers.Util.OSM.originalOnImageLoadError();
+    }
+};
+
+/**
+ * Class: OpenLayers.Layer.OSM.Mapnik
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.OSM>
+ */
+OpenLayers.Layer.OSM.Mapnik = OpenLayers.Class(OpenLayers.Layer.OSM, {
+    /**
+     * Constructor: OpenLayers.Layer.OSM.Mapnik
+     *
+     * Parameters:
+     * name - {String}
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, options) {
+        var url = [
+            "http://a.tile.openstreetmap.org/${z}/${x}/${y}.png",
+            "http://b.tile.openstreetmap.org/${z}/${x}/${y}.png",
+            "http://c.tile.openstreetmap.org/${z}/${x}/${y}.png"
+        ];
+        options = OpenLayers.Util.extend({
+            /* Below line added to OSM's file in order to allow minimum zoom level */
+            maxResolution: 156543.0339/Math.pow(2, options.zoomOffset || 0),
+            numZoomLevels: 19,
+            buffer: 0
+        }, options);
+        var newArguments = [name, url, options];
+        OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.OSM.Mapnik"
+});
+
+/**
+ * Class: OpenLayers.Layer.OSM.Osmarender
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.OSM>
+ */
+OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, {
+    /**
+     * Constructor: OpenLayers.Layer.OSM.Osmarender
+     *
+     * Parameters:
+     * name - {String}
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, options) {
+        var url = [
+            "http://a.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png",
+            "http://b.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png",
+            "http://c.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png"
+        ];
+        options = OpenLayers.Util.extend({ numZoomLevels: 18, buffer: 0 }, options);
+        var newArguments = [name, url, options];
+        OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.OSM.Osmarender"
+});
+
+/**
+ * Class: OpenLayers.Layer.OSM.CycleMap
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.OSM>
+ */
+OpenLayers.Layer.OSM.CycleMap = OpenLayers.Class(OpenLayers.Layer.OSM, {
+    /**
+     * Constructor: OpenLayers.Layer.OSM.CycleMap
+     *
+     * Parameters:
+     * name - {String}
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, options) {
+        var url = [
+            "http://a.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
+            "http://b.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
+            "http://c.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png"
+        ];
+        options = OpenLayers.Util.extend({
+            /* Below line added to OSM's file in order to allow minimum zoom level */
+            maxResolution: 156543.0339/Math.pow(2, options.zoomOffset || 0),
+            numZoomLevels: 19,
+            buffer: 0
+        }, options);
+        var newArguments = [name, url, options];
+        OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.OSM.CycleMap"
+});
-- 
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