<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>SlickGrid example 6: AJAX Load</title>
<link rel="stylesheet" href="../slick.grid.css" type="text/css"/>
<link rel="stylesheet" href="../css/smoothness/jquery-ui-1.8.16.custom.css" type="text/css"/>
<link rel="stylesheet" href="examples.css" type="text/css"/>
<style>
.cell-story {
white-space: normal !important;
line-height: 19px !important;
}
.loading-indicator {
display: inline-block;
padding: 12px;
background: white;
-opacity: 0.5;
color: black;
font-weight: bold;
z-index: 9999;
border: 1px solid red;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
-moz-box-shadow: 0 0 5px red;
-webkit-box-shadow: 0px 0px 5px red;
-text-shadow: 1px 1px 1px white;
}
.loading-indicator label {
padding-left: 20px;
background: url('../images/ajax-loader-small.gif') no-repeat center left;
}
</style>
</head>
<body>
<div style="width:700px;float:left;">
<div class="grid-header" style="width:100%">
<label>Hackernews stories</label>
<span style="float:right;display:inline-block;">
Search:
<input type="text" id="txtSearch" value="github">
</span>
</div>
<div id="myGrid" style="width:100%;height:600px;"></div>
<div id="pager" style="width:100%;height:20px;"></div>
</div>
<div style="margin-left:750px;margin-top:40px;;">
<h2>Demonstrates:</h2>
<ul>
<li>loading data through AJAX</li>
<li>custom row height</li>
</ul>
<h2>WARNING:</h2>
<ul>
<li>API access to Hackernews provided through ThriftDB has some latency when paging through results. Be patient.
</li>
</ul>
<h2>View Source:</h2>
<ul>
<li><A href="https://github.com/mleibman/SlickGrid/blob/gh-pages/examples/example6-ajax-loading.html" target="_sourcewindow"> View the source for this example on Github</a></li>
</ul>
</div>
<script src="../lib/firebugx.js"></script>
<script src="../lib/jquery-1.7.min.js"></script>
<script src="../lib/jquery-ui-1.8.16.custom.min.js"></script>
<script src="../lib/jquery.event.drag-2.2.js"></script>
<script src="../lib/jquery.jsonp-2.4.min.js"></script>
<script src="../slick.core.js"></script>
<script src="../slick.remotemodel.js"></script>
<script src="../slick.grid.js"></script>
<script>
var grid;
var loader = new Slick.Data.RemoteModel();
var storyTitleFormatter = function (row, cell, value, columnDef, dataContext) {
s ="<b><a href='" + dataContext["url"] + "' target=_blank>" +
dataContext["title"] + "</a></b><br/>";
desc = dataContext["text"];
if (desc) { // on Hackernews many stories don't have a description
s += desc;
}
return s;
};
var dateFormatter = function (row, cell, value, columnDef, dataContext) {
return (value.getMonth()+1) + "/" + value.getDate() + "/" + value.getFullYear();
};
var columns = [
{id: "num", name: "#", field: "index", width: 40},
{id: "story", name: "Story", width: 520, formatter: storyTitleFormatter, cssClass: "cell-story"},
{id: "date", name: "Date", field: "create_ts", width: 60, formatter: dateFormatter, sortable: true},
{id: "points", name: "Points", field: "points", width: 60, sortable: true}
];
var options = {
rowHeight: 64,
editable: false,
enableAddRow: false,
enableCellNavigation: false
};
var loadingIndicator = null;
$(function () {
grid = new Slick.Grid("#myGrid", loader.data, columns, options);
grid.onViewportChanged.subscribe(function (e, args) {
var vp = grid.getViewport();
loader.ensureData(vp.top, vp.bottom);
});
grid.onSort.subscribe(function (e, args) {
loader.setSort(args.sortCol.field, args.sortAsc ? 1 : -1);
var vp = grid.getViewport();
loader.ensureData(vp.top, vp.bottom);
});
loader.onDataLoading.subscribe(function () {
if (!loadingIndicator) {
loadingIndicator = $("<span class='loading-indicator'><label>Buffering...</label></span>").appendTo(document.body);
var $g = $("#myGrid");
loadingIndicator
.css("position", "absolute")
.css("top", $g.position().top + $g.height() / 2 - loadingIndicator.height() / 2)
.css("left", $g.position().left + $g.width() / 2 - loadingIndicator.width() / 2);
}
loadingIndicator.show();
});
loader.onDataLoaded.subscribe(function (e, args) {
for (var i = args.from; i <= args.to; i++) {
grid.invalidateRow(i);
}
grid.updateRowCount();
grid.render();
loadingIndicator.fadeOut();
});
$("#txtSearch").keyup(function (e) {
if (e.which == 13) {
loader.setSearch($(this).val());
var vp = grid.getViewport();
loader.ensureData(vp.top, vp.bottom);
}
});
loader.setSearch($("#txtSearch").val());
loader.setSort("create_ts", -1);
grid.setSortColumn("date", false);
// load the first page
grid.onViewportChanged.notify();
})
</script>
</body>
</html>