http://www.voidcn.com/article/p-fghptgsp-bhu.html
<meta charset="utf-8">
<style>
body {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
position: relative;
width: 960px;
}
.axis text {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.bar {
fill: steelblue;
fill-opacity: .9;
text-anchor: start;
}
label {
position: absolute;
top: 10px;
right: 10px;
}
</style>
<body>
<label><input type="checkbox"> Sort values</label>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script>
var margin = {top: 50, right: 20, bottom: 30, left: 40},
width = 960 - margin.left - margin.right,
height = 700 - margin.top - margin.bottom;
var x = d3.scale.linear()
.rangeRound([0, width]);
var y = d3.scale.ordinal()
.rangeRoundBands([0, height], .5, .3);
var xAxis = d3.svg.axis()
.scale(x)
.orient("top")
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var data =
[
{"letter" : "A" , "frequency" : 4167},
{"letter" : "B" , "frequency" : 6167},
{"letter" : "C" , "frequency" : 3167},
{"letter" : "D" , "frequency" : 5127},
{"letter" : "E" , "frequency" : 2167},
{"letter" : "F" , "frequency" : 8167},
{"letter" : "G" , "frequency" : 3167},
{"letter" : "H" , "frequency" : 9167}
];
y.domain(data.map(function(d) { return d.letter; }));
x.domain([0, d3.max(data, function(d) { return d.frequency; })]);
svg.append("g")
.attr("class", "x axis")
.call(xAxis)
.append("text")
.attr("x", width-80)
.attr("dy", ".81em")
.style("font" ,"10px sans-serif")
.style("text-anchor", "begin")
.text("Frequency");
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate("+0 + ",0)")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(0 ,0)")
.call(yAxis);
svg.selectAll(".bar")
.data(data)
.enter()
.append("rect")
.attr("class", "bar")
.attr("x", 5)
.attr("width",function(d) { return x(d.frequency);})
.attr("y", function(d) { return y(d.letter); })
.attr("height", y.rangeBand())
.on("mouseover", hyper_mouse)
.on("click", hyper);
d3.select("input")
.on("change", change);
var sortTimeout = setTimeout(function() {
d3.select("input").property("checked", false).each(change);
}, 2000);
function hyper(d){
location.href="#";
}
function hyper_mouse(d){
$('.bar').hover(function() {
$(this).css('cursor','pointer');
});
}
function change() {
clearTimeout(sortTimeout);
// Copy-on-write since tweens are evaluated after a delay.
var x0 = y.domain(data.sort(this.checked
? function(a, b) { return b.frequency - a.frequency; }
: function(a, b) { return d3.ascending(a.letter, b.letter); })
.map(function(d) { return d.letter; }))
.copy();
svg.selectAll(".bar")
.sort(function(a, b) { return x0(a.letter) - x0(b.letter); });
var transition = svg.transition().duration(750),
delay = function(d, i) { return i * 50; };
transition.selectAll(".bar")
.delay(delay)
.attr("y", function(d) { return x0(d.letter); });
transition.select(".y.axis")
.call(yAxis)
.selectAll("g")
.delay(delay);
}
</script>
</body>
没有评论:
发表评论