DOM: Add folder argument to getCompositions

It can be useful to be able to only get comps in single folder

Author: runegan

lib/dom.js

@@ -78,24 +78,16 @@ aeq.extend({
 	},
 
 	/**
-	 * Gets all the CompItems in the project
+	 * Gets all the CompItems in the project. Or all CompItems in the given folder.
 	 * @method
 	 * @memberof aeq
+	 * @param {FolderItem} [folder=app.project] The folder to get comps from.
+	 * @param {boolean} [deep=true]             Go through subfolders looking for comps.
 	 * @return {aeq.arrayEx} Array of CompItems
 	 */
-	getCompositions: function () {
-		var arr = [];
-		var len = app.project.items.length;
-
-		for (var i=1; i <= len; i++)
-		{
-			var item = app.project.item(i);
-
-			if (aeq.isComp(item))
-				arr.push(item);
-		}
-
-		return aeq.arrayEx(arr);
+	getCompositions: function(folder, deep) {
+		var items = aeq.getItems(folder, deep)
+		return items.filter( aeq.isComp )
 	},
 
 	/**