dc
Version:
A multi-dimensional charting library built to work natively with crossfilter and rendered using d3.js
116 lines (102 loc) • 4.12 kB
HTML
<html lang="en">
<head>
<title>dc.js - Table Pagination Example</title>
<meta charset="UTF-8">
<link rel="stylesheet" type="text/css" href="../css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="../css/dc.css"/>
</head>
<body>
<div class="container">
<script type="text/javascript" src="header.js"></script>
<div class="row">
<div id="piechart"><h4>Expt:</h4>
<div class="reset" style="visibility: hidden;">selected: <span class="filter"></span>
<a href="javascript:piechart.filterAll();dc.redrawAll();">reset</a>
</div>
</div>
</div>
<div class="row">
<div id="paging">
Showing <span id="begin"></span>-<span id="end"></span> of <span id="size"></span> <span id="totalsize"></span>
<input id="last" class="btn" type="Button" value="Last" onclick="javascript:last()" />
<input id="next" class="btn" type="button" value="Next" onclick="javascript:next()"/>
</div>
<table id="test" class="table table-striped"></table>
</div>
<script type="text/javascript" src="../js/promise-polyfill.js"></script>
<script type="text/javascript" src="../js/fetch.umd.js"></script>
<script type="text/javascript" src="../js/d3.js"></script>
<script type="text/javascript" src="../js/crossfilter.js"></script>
<script type="text/javascript" src="../js/dc.js"></script>
<script type="text/javascript">
var chart = dc.dataTable("#test");
var piechart = dc.pieChart("#piechart");
var ndx;
d3.csv("morley.csv").then(function(experiments) {
ndx = crossfilter(experiments);
var fmt = d3.format('02d');
var runDimension = ndx.dimension(function(d) {return [fmt(+d.Expt),fmt(+d.Run)];}),
experimentDimension = ndx.dimension(function(d) {return d.Expt;}),
experimentGroup = experimentDimension.group().reduceCount();
piechart.width(300).height(280)
.innerRadius(100).externalLabels(50).externalRadiusPadding(50).drawPaths(true)
.dimension(experimentDimension).group(experimentGroup)
.legend(dc.legend())
.controlsUseVisibility(true);
chart
.width(300)
.height(480)
.dimension(runDimension)
.size(Infinity)
.showSections(false)
.columns(['Expt', 'Run', 'Speed'])
.sortBy(function (d) { return [fmt(+d.Expt),fmt(+d.Run)]; })
.order(d3.ascending)
.on('preRender', update_offset)
.on('preRedraw', update_offset)
.on('pretransition', display);
dc.renderAll();
});
// use odd page size to show the effect better
var ofs = 0, pag = 17;
function update_offset() {
var totFilteredRecs = ndx.groupAll().value();
var end = ofs + pag > totFilteredRecs ? totFilteredRecs : ofs + pag;
ofs = ofs >= totFilteredRecs ? Math.floor((totFilteredRecs - 1) / pag) * pag : ofs;
ofs = ofs < 0 ? 0 : ofs;
chart.beginSlice(ofs);
chart.endSlice(ofs+pag);
}
function display() {
var totFilteredRecs = ndx.groupAll().value();
var end = ofs + pag > totFilteredRecs ? totFilteredRecs : ofs + pag;
d3.select('#begin')
.text(end === 0? ofs : ofs + 1);
d3.select('#end')
.text(end);
d3.select('#last')
.attr('disabled', ofs-pag<0 ? 'true' : null);
d3.select('#next')
.attr('disabled', ofs+pag>=totFilteredRecs ? 'true' : null);
d3.select('#size').text(totFilteredRecs);
if(totFilteredRecs != ndx.size()){
d3.select('#totalsize').text("(filtered Total: " + ndx.size() + " )");
}else{
d3.select('#totalsize').text('');
}
}
function next() {
ofs += pag;
update_offset();
chart.redraw();
}
function last() {
ofs -= pag;
update_offset();
chart.redraw();
}
</script>
</div>
</body>
</html>