Derive Item#type from Item#_class and use that instead in code that depends on Item types.

src/item/Item.js

@@ -30,6 +30,9 @@ var Item = this.Item = Base.extend(Callback, {
 			if (src._serializeFields)
 				src._serializeFields = Base.merge(
 						this.prototype._serializeFields, src._serializeFields);
+			// Derive the _type string from _class
+			if (src._class)
+				src._type = Base.hyphenate(src._class);
 			return this.base.apply(this, arguments);
 		}
 	}
@@ -247,14 +250,14 @@ var Item = this.Item = Base.extend(Callback, {
 	},
 
 	/**
-	 * The class-name of the item as a string.
+	 * The type of the item as a string.
 	 *
-	 * @type String('Group', 'Layer', 'Path', 'CompoundPath', 'Raster',
-	 * 'PlacedSymbol', 'PointText')
+	 * @type String('group', 'layer', 'path', 'compound-path', 'raster',
+	 * 'placed-symbol', 'point-text')
 	 * @bean
 	 */
-	getClassName: function() {
-		return this._class;
+	getType: function() {
+		return this._type;
 	},
 
 	/**
@@ -2797,7 +2800,7 @@ var Item = this.Item = Base.extend(Callback, {
 			// Exclude Raster items since they never draw a stroke and handle
 			// opacity by themselves (they also don't call _setStyles)
 			if (item._blendMode !== 'normal' || item._opacity < 1
-					&& item._class !== 'Raster' && (item._class !== 'Path'
+					&& item._type !== 'raster' && (item._type !== 'path'
 						|| item.getFillColor() && item.getStrokeColor())) {
 				var bounds = item.getStrokeBounds();
 				if (!bounds.width || !bounds.height)

src/path/CompoundPath.js

@@ -60,7 +60,7 @@ var CompoundPath = this.CompoundPath = PathItem.extend(/** @lends CompoundPath#
 
 	insertChild: function(index, item, _cloning) {
 		// Only allow the insertion of paths
-		if (item._class !== 'Path')
+		if (item._type !== 'path')
 			return null;
 		item = this.base(index, item);
 		// All children except for the bottom one (first one in list) are set

src/path/PathItem.js

@@ -1,4 +1,4 @@
-/*
+g/*
  * Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
  * http://paperjs.org/
  *
@@ -102,7 +102,7 @@ var PathItem = this.PathItem = Item.extend(/** @lends PathItem# */{
 		}
 
 		// First clear the previous content
-		if (this._class === 'Path')
+		if (this._type === 'path')
 			this.removeSegments();
 		else
 			this.removeChildren();

src/svg/SvgExport.js

@@ -389,13 +389,13 @@ new function() {
 	}
 
 	var exporters = {
-		Group: exportGroup,
-		Layer: exportGroup,
-		Raster: exportRaster,
-		PointText: exportText,
-		PlacedSymbol: exportPlacedSymbol,
-		Path: exportPath,
-		CompoundPath: exportCompoundPath
+		group: exportGroup,
+		layer: exportGroup,
+		raster: exportRaster,
+		path: exportPath,
+		'point-text': exportText,
+		'placed-symbol': exportPlacedSymbol,
+		'compound-path': exportCompoundPath
 	};
 
 	function applyStyle(item, node) {
@@ -449,7 +449,7 @@ new function() {
 	}
 
 	function setDefinition(item, node) {
-		var type = item._class.toLowerCase(),
+		var type = item._type,
 			id = definitions.ids[type] = (definitions.ids[type] || 0) + 1;
 		node.id = type + '-' + id;
 		definitions.svgs[item._id] = node;
@@ -476,8 +476,8 @@ new function() {
 	}
 
 	function exportSvg(item) {
-		var exporter = exporters[item._class],
-			node = exporter && exporter(item, item._class);
+		var exporter = exporters[item._type],
+			node = exporter && exporter(item, item._type);
 		return node && applyStyle(item, node);
 	}
 

src/svg/SvgImport.js

@@ -473,7 +473,7 @@ new function() {
 			importer = importers[type],
 			item = importer && importer(node, type);
 		// See importGroup() for an explanation of this filtering:
-		if (item && item._class !== 'Group')
+		if (item && item._type !== 'group')
 			item = applyAttributes(item, node);
 		// Clear definitions at the end of import?
 		if (clearDefs)