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each micro optimization testing

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1 parent 36777bb commit b28777391020635e396efff39a2cd1de37cdbafd @VinylFox committed Jul 30, 2010
Showing with 187 additions and 0 deletions.
  1. +26 −0 examples/each/each-override.html
  2. +105 −0 examples/each/each-override.js
  3. +56 −0 src/Ext.Override.Ext.each.js
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26 examples/each/each-override.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+ <title>Hello World Window Example Override</title>
+ <link rel="stylesheet" type="text/css" href="../../resources/css/ext-all.css" />
+
+ <!-- GC -->
+ <!-- LIBS -->
+ <script type="text/javascript" src="../../adapter/ext/ext-base-debug.js"></script>
+ <!-- ENDLIBS -->
+
+ <script type="text/javascript" src="../../ext-all-debug.js"></script>
+
+ <script language="javascript" src="../../src/Ext.Override.Ext.each.js"></script>
+
+ <script language="javascript" src="each-override.js"></script>
+
+</head>
+<body>
+
+ <div id="grid-example"></div>
+
+</div>
+</body>
+</html>
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105 examples/each/each-override.js
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+Ext.onReady(function(){
+ var start = new Date();
+ // NOTE: This is an example showing simple state management. During development,
+ // it is generally best to disable state management as dynamically-generated ids
+ // can change across page loads, leading to unpredictable results. The developer
+ // should ensure that stable state ids are set for stateful components in real apps.
+ Ext.state.Manager.setProvider(new Ext.state.CookieProvider());
+
+ // sample static data for the store
+ var myData = [
+ ['3m Co',71.72,0.02,0.03,'9/1 12:00am'],
+ ['Alcoa Inc',29.01,0.42,1.47,'9/1 12:00am'],
+ ['Altria Group Inc',83.81,0.28,0.34,'9/1 12:00am'],
+ ['American Express Company',52.55,0.01,0.02,'9/1 12:00am'],
+ ['American International Group, Inc.',64.13,0.31,0.49,'9/1 12:00am'],
+ ['AT&T Inc.',31.61,-0.48,-1.54,'9/1 12:00am'],
+ ['Boeing Co.',75.43,0.53,0.71,'9/1 12:00am'],
+ ['Caterpillar Inc.',67.27,0.92,1.39,'9/1 12:00am'],
+ ['Citigroup, Inc.',49.37,0.02,0.04,'9/1 12:00am'],
+ ['E.I. du Pont de Nemours and Company',40.48,0.51,1.28,'9/1 12:00am'],
+ ['Exxon Mobil Corp',68.1,-0.43,-0.64,'9/1 12:00am'],
+ ['General Electric Company',34.14,-0.08,-0.23,'9/1 12:00am'],
+ ['General Motors Corporation',30.27,1.09,3.74,'9/1 12:00am'],
+ ['Hewlett-Packard Co.',36.53,-0.03,-0.08,'9/1 12:00am'],
+ ['Honeywell Intl Inc',38.77,0.05,0.13,'9/1 12:00am'],
+ ['Intel Corporation',19.88,0.31,1.58,'9/1 12:00am'],
+ ['International Business Machines',81.41,0.44,0.54,'9/1 12:00am'],
+ ['Johnson & Johnson',64.72,0.06,0.09,'9/1 12:00am'],
+ ['JP Morgan & Chase & Co',45.73,0.07,0.15,'9/1 12:00am'],
+ ['McDonald\'s Corporation',36.76,0.86,2.40,'9/1 12:00am'],
+ ['Merck & Co., Inc.',40.96,0.41,1.01,'9/1 12:00am'],
+ ['Microsoft Corporation',25.84,0.14,0.54,'9/1 12:00am'],
+ ['Pfizer Inc',27.96,0.4,1.45,'9/1 12:00am'],
+ ['The Coca-Cola Company',45.07,0.26,0.58,'9/1 12:00am'],
+ ['The Home Depot, Inc.',34.64,0.35,1.02,'9/1 12:00am'],
+ ['The Procter & Gamble Company',61.91,0.01,0.02,'9/1 12:00am'],
+ ['United Technologies Corporation',63.26,0.55,0.88,'9/1 12:00am'],
+ ['Verizon Communications',35.57,0.39,1.11,'9/1 12:00am'],
+ ['Wal-Mart Stores, Inc.',45.45,0.73,1.63,'9/1 12:00am']
+ ];
+
+ /**
+ * Custom function used for column renderer
+ * @param {Object} val
+ */
+ function change(val){
+ if(val > 0){
+ return '<span style="color:green;">' + val + '</span>';
+ }else if(val < 0){
+ return '<span style="color:red;">' + val + '</span>';
+ }
+ return val;
+ }
+
+ /**
+ * Custom function used for column renderer
+ * @param {Object} val
+ */
+ function pctChange(val){
+ if(val > 0){
+ return '<span style="color:green;">' + val + '%</span>';
+ }else if(val < 0){
+ return '<span style="color:red;">' + val + '%</span>';
+ }
+ return val;
+ }
+
+ // create the data store
+ var store = new Ext.data.ArrayStore({
+ fields: [
+ {name: 'company'},
+ {name: 'price', type: 'float'},
+ {name: 'change', type: 'float'},
+ {name: 'pctChange', type: 'float'},
+ {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
+ ]
+ });
+
+ // manually load local data
+ store.loadData(myData);
+
+ // create the Grid
+ var grid = new Ext.grid.GridPanel({
+ store: store,
+ columns: [
+ {id:'company',header: 'Company', width: 160, sortable: true, dataIndex: 'company'},
+ {header: 'Price', width: 75, sortable: true, renderer: 'usMoney', dataIndex: 'price'},
+ {header: 'Change', width: 75, sortable: true, renderer: change, dataIndex: 'change'},
+ {header: '% Change', width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'},
+ {header: 'Last Updated', width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
+ ],
+ stripeRows: true,
+ autoExpandColumn: 'company',
+ height: 350,
+ width: 600,
+ title: 'Array Grid',
+ // config options for stateful behavior
+ stateful: true,
+ stateId: 'grid'
+ });
+
+ // render the grid to the specified div in the page
+ grid.render('grid-example');
+ (function(){alert(total);}).defer(300);
+});
View
56 src/Ext.Override.Ext.each.js
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+//--- BYPASS FOR WHEN SINGLE ITEM + SCOPE OPTIMIZATION ---
+/*Ext.each = function(array, fn, scope){
+ if(Ext.isEmpty(array, true)){
+ return;
+ }
+ if (!Ext.isIterable(array) || Ext.isPrimitive(array)) {
+ if ((scope) ? fn.call(scope, array, 0, array) : fn(array, 0, array) === false) {
+ return 0;
+ }
+ } else {
+ for (var i = 0, len = array.length; i < len; i++) {
+ if ((scope) ? fn.call(scope, array[i], i, array) : fn(array[i], i, array) === false) {
+ return i;
+ }
+ }
+ }
+};*/
+
+//--- SCOPE OPTIMIZATION ---
+/*Ext.each = function(array, fn, scope){
+ if(Ext.isEmpty(array, true)){
+ return;
+ }
+ if(!Ext.isIterable(array) || Ext.isPrimitive(array)){
+ array = [array];
+ }
+ for(var i = 0, len = array.length; i < len; i++){
+ if((scope) ? fn.call(scope, array[i], i, array) : fn(array[i], i, array) === false){
+ return i;
+ }
+ }
+};*/
+
+Ext.eachFn = function(array, fn, scope){
+ if (Ext.isEmpty(array, true)) {
+ return;
+ }
+ if (!Ext.isIterable(array) || Ext.isPrimitive(array)) {
+ array = [array];
+ }
+ for (var i = 0, len = array.length; i < len; i++) {
+ if (fn.call(scope || array[i], array[i], i, array) === false) {
+ return i;
+ }
+ }
+};
+
+var total = 0, measure = function(){
+ return function(array, fn, scope){
+ var start = new Date();
+ Ext.eachFn(array, fn, scope);
+ total += (new Date() - start);
+ };
+};
+
+Ext.each = measure();

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