From 6e16cad065e68345e6f965838842717205038e4a Mon Sep 17 00:00:00 2001
From: David Rubert <david.rubert@gmail.com>
Date: Sat, 4 Jul 2015 18:57:42 +0200
Subject: [PATCH] feat(bounds): Added the nominatim address way of setting
 bounds, as requested by @stefan-niedermann here:
 https://github.com/tombatossals/angular-leaflet-directive/issues/622

---
 src/directives/bounds.js           | 41 ++++++++++++++++++++----------
 src/directives/center.js           |  2 +-
 src/services/leafletMapDefaults.js |  5 +++-
 3 files changed, 33 insertions(+), 15 deletions(-)

diff --git a/src/directives/bounds.js b/src/directives/bounds.js
index 0c2de433..6a0539ce 100644
--- a/src/directives/bounds.js
+++ b/src/directives/bounds.js
@@ -1,15 +1,16 @@
-angular.module("leaflet-directive").directive('bounds', function ($log, $timeout, leafletHelpers, leafletBoundsHelpers) {
+angular.module("leaflet-directive").directive('bounds', function ($log, $timeout, $http, leafletMapDefaults, leafletHelpers, leafletBoundsHelpers) {
     return {
         restrict: "A",
         scope: false,
         replace: false,
-        require: [ 'leaflet', 'center' ],
+        require: [ 'leaflet' ],
 
         link: function(scope, element, attrs, controller) {
-            var isDefined = leafletHelpers.isDefined,
-                createLeafletBounds = leafletBoundsHelpers.createLeafletBounds,
-                leafletScope = controller[0].getLeafletScope(),
-                mapController = controller[0];
+            var isDefined = leafletHelpers.isDefined;
+            var createLeafletBounds = leafletBoundsHelpers.createLeafletBounds;
+            var leafletScope = controller[0].getLeafletScope();
+            var mapController = controller[0];
+            var errorHeader = leafletHelpers.errorHeader + ' [Controls] ';
 
             var emptyBounds = function(bounds) {
                 return (bounds._southWest.lat === 0 && bounds._southWest.lng === 0 &&
@@ -17,10 +18,12 @@ angular.module("leaflet-directive").directive('bounds', function ($log, $timeout
             };
 
             mapController.getMap().then(function (map) {
+                var defaults = leafletMapDefaults.getDefaults(attrs.id);
+
                 leafletScope.$on('boundsChanged', function (event) {
                     var scope = event.currentScope;
                     var bounds = map.getBounds();
-                    //$log.debug('updated map bounds...', bounds);
+
                     if (emptyBounds(bounds) || scope.settingBoundsFromScope) {
                         return;
                     }
@@ -36,23 +39,35 @@ angular.module("leaflet-directive").directive('bounds', function ($log, $timeout
                         options: bounds.options
                     };
                     if (!angular.equals(scope.bounds, newScopeBounds)) {
-                        //$log.debug('Need to update scope bounds.');
                         scope.bounds = newScopeBounds;
                     }
                 });
+
                 leafletScope.$watch('bounds', function (bounds) {
-                    //$log.debug('updated bounds...', bounds);
-                    if (!isDefined(bounds)) {
-                        $log.error('[AngularJS - Leaflet] Invalid bounds');
+                    if (isDefined(bounds.address)) {
+                        scope.settingBoundsFromScope = true;
+                        var url = defaults.nominatim.server;
+                        $http.get(url, { params: { format: 'json', limit: 1, q: bounds.address } }).success(function(data) {
+                            if (data.length > 0 && isDefined(data[0].boundingbox)) {
+                                var b = data[0].boundingbox;
+                                var newBounds = [ [ b[0], b[2]], [ b[1], b[3]] ];
+                                map.fitBounds(newBounds);
+                            } else {
+                                $log.error(errorHeader + ' Invalid Nominatim address.');
+                            }
+
+                            $timeout( function() {
+                                scope.settingBoundsFromScope = false;
+                            });
+                        });
                         return;
                     }
+
                     var leafletBounds = createLeafletBounds(bounds);
                     if (leafletBounds && !map.getBounds().equals(leafletBounds)) {
-                        //$log.debug('Need to update map bounds.');
                         scope.settingBoundsFromScope = true;
                         map.fitBounds(leafletBounds, bounds.options);
                         $timeout( function() {
-                            //$log.debug('Allow bound updates.');
                             scope.settingBoundsFromScope = false;
                         });
                     }
diff --git a/src/directives/center.js b/src/directives/center.js
index 73e17bc6..02cb237c 100644
--- a/src/directives/center.js
+++ b/src/directives/center.js
@@ -34,7 +34,7 @@ angular.module("leaflet-directive").directive('center',
                 var defaults = leafletMapDefaults.getDefaults(attrs.id);
 
                 if (attrs.center.search("-") !== -1) {
-                    $log.error(errorHeader + ' The "center" variable can\'t use a "-" on his key name: "' + attrs.center + '".');
+                    $log.error(errorHeader + ' The "center" variable can\'t use a "-" on its key name: "' + attrs.center + '".');
                     map.setView([defaults.center.lat, defaults.center.lng], defaults.center.zoom);
                     return;
                 } else if (shouldInitializeMapWithBounds(leafletScope.bounds, centerModel)) {
diff --git a/src/services/leafletMapDefaults.js b/src/services/leafletMapDefaults.js
index acf39206..1844ff3c 100644
--- a/src/services/leafletMapDefaults.js
+++ b/src/services/leafletMapDefaults.js
@@ -19,6 +19,9 @@ angular.module("leaflet-directive").factory('leafletMapDefaults', function ($q,
                     collapsed: true
                 }
             },
+            nominatim: {
+                server: ' http://nominatim.openstreetmap.org/search'
+            },
             crs: L.CRS.EPSG3857,
             tileLayer: '//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
             tileLayerOptions: {
@@ -156,7 +159,7 @@ angular.module("leaflet-directive").factory('leafletMapDefaults', function ($q,
                 if (isDefined(userDefaults.map)) {
                     newDefaults.map = userDefaults.map;
                 }
-                
+
                 if (isDefined(userDefaults.path)) {
                     newDefaults.path = userDefaults.path;
                 }