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scrolling benchmark raf.html
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scrolling benchmark raf.html
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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>SlickGrid Scrolling Benchmark</title>
<link rel="stylesheet" href="../slick.grid.css" type="text/css" media="screen" charset="utf-8" />
<link rel="stylesheet" href="../css/smoothness/jquery-ui-1.11.3.custom.css" type="text/css" media="screen" charset="utf-8" />
<link rel="stylesheet" href="../examples/examples.css" type="text/css" media="screen" charset="utf-8" />
<style>
.cell-title {
font-weight: bold;
}
.cell-effort-driven {
text-align: center;
}
</style>
</head>
<body>
<script src="../lib/firebugx.js"></script>
<script src="../lib/jquery-1.11.2.min.js"></script>
<script src="../lib/jquery-ui-1.11.3.min.js"></script>
<script src="../lib/jquery.event.drag-2.3.0.js"></script>
<script src="../slick.core.js"></script>
<script src="../slick.grid.js"></script>
<script src="../slick.formatters.js"></script>
<button onclick="grid.debug()">Debug info</button>
<button onclick="startBench(100)">Run (+= 100px)</button>
<button onclick="startBench(300)">Run (+= 300px)</button>
<button onclick="startBench(550)">Run (+= 550px; simulate paging)</button>
<button onclick="startBench(1000)">Run (+= 1'000px)</button>
<button onclick="startBench(5000)">Run (+= 5'000px)</button>
<hr/>
<div id="myGrid" style="width:600px;height:600px;"></div>
<script>
var grid;
var data = [];
var extraColumns = 100;
function testPostRender(cellNode, row, dataContext, colDef) {
cellNode.style.backgroundColor = 'yellow';
}
var columns = [
{id:"title", name:"Title", field:"title", width:120, cssClass:"cell-title"},
{id:"duration", name:"Duration", field:"duration", selectable:false},
{id:"%", name:"% Complete", field:"percentComplete", width:80, resizable:false, formatter:Slick.Formatters.PercentCompleteBar},
{id:"start", name:"Start", field:"start", minWidth:60},
{id:"finish", name:"Finish", field:"finish", minWidth:60},
{id:"effort-driven", name:"Effort Driven", width:80, minWidth:20, maxWidth:80, cssClass:"cell-effort-driven", field:"effortDriven", formatter:Slick.Formatters.Checkmark, asyncPostRender:testPostRender}
];
for (var i=0; i<extraColumns; i++) {
columns.push({id:"col" + i, name:"col" + i, field:"title"});
}
var options = {
editable: false,
enableAddRow: false,
enableCellNavigation: true,
enableAsyncPostRender: true,
forceFitColumns: false
};
function generateRandomTask(index) {
return {
"id": "id_" + index,
"title": "Task " + index,
"duration": "5 days",
"percentComplete": Math.round(Math.random() * 100),
"start": "01/01/2014",
"finish": "01/05/2014",
"effortDriven": (index % 5 == 0)
};
}
$(function()
{
data.getLength = function() { return 5000; };
data.getItem = function(index) {
// lazy-generate
if (!data[index]) {
data[index] = generateRandomTask(index);
}
return data[index];
};
data.getItemMetadata = function (row) {
if (row % 2 === 1) {
return {
"columns": {
"duration": {
"colspan": 3
}
}
};
}
};
// initialize the grid
grid = new Slick.Grid("#myGrid", data, columns, options);
$grid = $("#myGrid div.grid-canvas").parent();
});
var $grid;
var lastScrollTop = 0;
var startTime;
var scrollAmount = 1000;
function queue(callback) {
var raf = window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.msRequestAnimationFrame ||
window.webkitRequestAnimationFrame;
if (raf) {
raf(callback);
} else {
window.setTimeout(callback, 10);
}
}
function startBench(scroll) {
scrollAmount = scroll;
lastScrollTop = 0;
$grid.scrollTop(0);
queue(function(){
startTime = new Date();
bench();
});
}
function bench() {
var scrollTop = $grid[0].scrollTop = lastScrollTop + scrollAmount;
if ($grid[0].scrollTop == lastScrollTop + scrollAmount) {
lastScrollTop = scrollTop;
queue(bench);
}
else {
alert((new Date() - startTime));
}
}
</script>
</body>
</html>