New methods for array finding

src/Chart.Core.js

@@ -217,6 +217,41 @@
 				return -1;
 			}
 		},
+		where = helpers.where = function(collection, filterCallback){
+			var filtered = [];
+
+			helpers.each(collection, function(item){
+				if (filterCallback(item)){
+					filtered.push(item);
+				}
+			});
+
+			return filtered;
+		},
+		findNextWhere = helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex){
+			// Default to start of the array
+			if (!startIndex){
+				startIndex = -1;
+			}
+			for (var i = startIndex + 1; i < arrayToSearch.length; i++) {
+				var currentItem = arrayToSearch[i];
+				if (filterCallback(currentItem)){
+					return currentItem;
+				}
+			};
+		},
+		findPreviousWhere = helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex){
+			// Default to end of the array
+			if (!startIndex){
+				startIndex = arrayToSearch.length;
+			}
+			for (var i = startIndex - 1; i >= 0; i--) {
+				var currentItem = arrayToSearch[i];
+				if (filterCallback(currentItem)){
+					return currentItem;
+				}
+			};
+		},
 		inherits = helpers.inherits = function(extensions){
 			//Basic javascript inheritance based on the model created in Backbone.js
 			var parent = this;
@@ -717,7 +752,7 @@
 			var ctx = chart.ctx,
 				width = chart.canvas.width,
 				height = chart.canvas.height;
-			//console.log(width + " x " + height);
+
 			if (window.devicePixelRatio) {
 				ctx.canvas.style.width = width + "px";
 				ctx.canvas.style.height = height + "px";