1 files changed, 62 insertions, 0 deletions
diff --git a/extlib/leaflet/src/geo/LatLngBounds.js b/extlib/leaflet/src/geo/LatLngBounds.js
new file mode 100644
index 00000000..c4e70ec3
--- /dev/null
+++ b/extlib/leaflet/src/geo/LatLngBounds.js
@@ -0,0 +1,62 @@
+/*
+ * L.LatLngBounds represents a rectangular area on the map in geographical coordinates.
+ */
+
+L.LatLngBounds = L.Class.extend({
+	initialize: function(southWest, northEast) {	// (LatLng, LatLng) or (LatLng[])
+		if (!southWest) return;
+		var latlngs = (southWest instanceof Array ? southWest : [southWest, northEast]);
+		for (var i = 0, len = latlngs.length; i < len; i++) {
+			this.extend(latlngs[i]);
+		}
+	},
+	
+	// extend the bounds to contain the given point
+	extend: function(/*LatLng*/ latlng) {
+		if (!this._southWest && !this._northEast) {
+			this._southWest = new L.LatLng(latlng.lat, latlng.lng);
+			this._northEast = new L.LatLng(latlng.lat, latlng.lng);
+		} else {
+			this._southWest.lat = Math.min(latlng.lat, this._southWest.lat);
+			this._southWest.lng = Math.min(latlng.lng, this._southWest.lng);
+			this._northEast.lat = Math.max(latlng.lat, this._northEast.lat);
+			this._northEast.lng = Math.max(latlng.lng, this._northEast.lng);
+		}
+	},
+	
+	getCenter: function() /*-> LatLng*/ {
+		return new L.LatLng(
+				(this._southWest.lat + this._northEast.lat) / 2, 
+				(this._southWest.lng + this._northEast.lng) / 2);
+	},
+	
+	getSouthWest: function() { return this._southWest; },
+	
+	getNorthEast: function() { return this._northEast; },
+	
+	getNorthWest: function() {
+		return new L.LatLng(this._northEast.lat, this._southWest.lng);
+	},
+	
+	getSouthEast: function() {
+		return new L.LatLng(this._southWest.lat, this._northEast.lng);
+	},
+	
+	contains: function(/*LatLngBounds or LatLng*/ obj) /*-> Boolean*/ {
+		var sw = this._southWest,
+			ne = this._northEast,
+			sw2, ne2;
+		
+		if (obj instanceof L.LatLngBounds) {
+			sw2 = obj.getSouthWest();
+			ne2 = obj.getNorthEast();
+		} else {
+			sw2 = ne2 = obj;
+		}
+		
+		return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&
+				(sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);
+	}
+});
+
+//TODO International date line?
+\ No newline at end of file