dist files

src/core/Browser.js

@@ -6,7 +6,6 @@
 
 	var ie = !!window.ActiveXObject,
 	    ie6 = ie && !window.XMLHttpRequest,
-	    ie7 = ie && !document.querySelector,
 
 	    // terrible browser detection to work around Safari / iOS / Android browser bugs
 	    ua = navigator.userAgent.toLowerCase(),
@@ -14,6 +13,8 @@
 	    chrome = ua.indexOf('chrome') !== -1,
 	    android = ua.indexOf('android') !== -1,
 	    android23 = ua.search('android [23]') !== -1,
+	    ie7 = ie && !document.querySelector && ua.search('msie 7') !== -1,
+	    ie8 = ie && ua.search('msie 8') !== -1,
 
 	    mobile = typeof orientation !== undefined + '',
 	    msTouch = window.navigator && window.navigator.msPointerEnabled &&
@@ -63,6 +64,7 @@
 		ie: ie,
 		ie6: ie6,
 		ie7: ie7,
+        ie8: ie8,
 		webkit: webkit,
 
 		android: android,

src/dom/DomUtil.js

@@ -141,26 +141,12 @@ L.DomUtil = {
 	},
 
 	setOpacity: function (el, value) {
-
 		if ('opacity' in el.style) {
 			el.style.opacity = value;
-
 		} else if ('filter' in el.style) {
-
-			var filter = false,
-			    filterName = 'DXImageTransform.Microsoft.Alpha';
-
-			// filters collection throws an error if we try to retrieve a filter that doesn't exist
-			try { filter = el.filters.item(filterName); } catch (e) {}
-
+			var filterName = 'alpha';
 			value = Math.round(value * 100);
-
-			if (filter) {
-				filter.Enabled = (value !== 100);
-				filter.Opacity = value;
-			} else {
-				el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
-			}
+			el.style.filter = filterName + '(opacity=' + value + ')';
 		}
 	},
 

src/layer/GeoJSON.js

@@ -15,13 +15,13 @@ L.GeoJSON = L.FeatureGroup.extend({
 	},
 
 	addData: function (geojson) {
-		var features = L.Util.isArray(geojson) ? geojson : geojson.features,
+		var features = geojson instanceof Array ? geojson : geojson.features,
 		    i, len;
 
 		if (features) {
 			for (i = 0, len = features.length; i < len; i++) {
 				// Only add this if geometry or geometries are set and not null
-				if (features[i].geometries || features[i].geometry || features[i].features) {
+				if (features[i].geometries || features[i].geometry) {
 					this.addData(features[i]);
 				}
 			}
@@ -97,23 +97,23 @@ L.extend(L.GeoJSON, {
 
 		case 'Polygon':
 			latlngs = this.coordsToLatLngs(coords, 1);
+			latlngs = this.removeLastPoint(latlngs, 0);
 			return new L.Polygon(latlngs);
 
 		case 'MultiLineString':
 			latlngs = this.coordsToLatLngs(coords, 1);
 			return new L.MultiPolyline(latlngs);
 
-		case 'MultiPolygon':
+		case "MultiPolygon":
 			latlngs = this.coordsToLatLngs(coords, 2);
+			// geojson closes the polygons added the frist
+			// coordinate at the end
+			latlngs = this.removeLastPoint(latlngs, 1);
 			return new L.MultiPolygon(latlngs);
 
-		case 'GeometryCollection':
+		case "GeometryCollection":
 			for (i = 0, len = geometry.geometries.length; i < len; i++) {
-				layer = this.geometryToLayer({
-					geometry: geometry.geometries[i],
-					type: 'Feature',
-					properties: geojson.properties
-				}, pointToLayer);
+				layer = this.geometryToLayer(geometry.geometries[i], pointToLayer);
 				layers.push(layer);
 			}
 			return new L.FeatureGroup(layers);
@@ -123,6 +123,21 @@ L.extend(L.GeoJSON, {
 		}
 	},
 
+	// removes the last point from each array. It allows to remove the
+	// duplicated point GeoJSON uses to close Polygons
+	removeLastPoint: function (coords, levelsDeep) {
+		var latlng,
+			latlngs = [],
+			i, len;
+		for (i = 0, len = coords.length; i < len; i++) {
+			latlng = levelsDeep ?
+				this.removeLastPoint(coords[i], levelsDeep - 1) :
+				coords[i].slice(0, coords[i].length - 1);
+			latlngs.push(latlng);
+		}
+		return latlngs;
+	},
+
 	coordsToLatLng: function (coords, reverse) { // (Array, Boolean) -> LatLng
 		var lat = parseFloat(coords[reverse ? 0 : 1]),
 		    lng = parseFloat(coords[reverse ? 1 : 0]);

src/layer/tile/TileLayer.js

@@ -186,12 +186,20 @@ L.TileLayer = L.Class.extend({
 	},
 
 	_updateOpacity: function () {
-		L.DomUtil.setOpacity(this._container, this.options.opacity);
-
-		// stupid webkit hack to force redrawing of tiles
 		var i,
 		    tiles = this._tiles;
 
+		if (!L.Browser.ie7 && !L.Browser.ie8) {
+			L.DomUtil.setOpacity(this._container, this.options.opacity);
+		} else {
+			for (i in tiles) {
+				if (tiles.hasOwnProperty(i)) {
+					L.DomUtil.setOpacity(tiles[i], this.options.opacity);
+				}
+			}
+        }
+
+		// stupid webkit hack to force redrawing of tiles
 		if (L.Browser.webkit) {
 			for (i in tiles) {
 				if (tiles.hasOwnProperty(i)) {
@@ -199,6 +207,8 @@ L.TileLayer = L.Class.extend({
 				}
 			}
 		}
+
+
 	},
 
 	_initContainer: function () {
@@ -471,6 +481,11 @@ L.TileLayer = L.Class.extend({
 	_createTile: function () {
 		var tile = this._tileImg.cloneNode(false);
 		tile.onselectstart = tile.onmousemove = L.Util.falseFn;
+		// in IE7 and IE8 should be set per tile
+		if ((L.Browser.ie7 || L.Browser.ie8) && this.options.opacity !== undefined) {
+			L.DomUtil.setOpacity(tile, this.options.opacity);
+		}
+
 		return tile;
 	},