mirror of
https://github.com/bendtherules/chart-builder-demo.git
synced 2026-08-18 13:42:05 +00:00
86 lines
2.6 KiB
JavaScript
86 lines
2.6 KiB
JavaScript
function drawChart(data,axisLabel)
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{
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var eleChart = d3.select(".chart").html(""),
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eleChartBbox = eleChart.node().getBoundingClientRect(),
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margin = {top: 35, right: 20, bottom: 60, left: 70},
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width = +eleChartBbox.width - margin.left - margin.right,
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height = +eleChartBbox.height - margin.top - margin.bottom;
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var svg = eleChart.append("svg").attr("width",eleChartBbox.width).attr("height",eleChartBbox.height);
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var x = d3.scaleBand().rangeRound([0, width]).padding(0.25),
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y = d3.scaleLinear().rangeRound([height, 0]);
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var g = svg.append("g")
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
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x.domain(data.map(function(d) { return d.x; }));
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y.domain([0, d3.max(data, function(d) { return d.y; })]);
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g.append("g")
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.attr("class", "axis axis-x")
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.style("font-size",".75em")
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.attr("transform", "translate(0," + height + ")")
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.call(d3.axisBottom(x));
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g.append("g")
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.attr("class", "axis axis-y")
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.style("font-size",".75em")
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.call(d3.axisLeft(y).ticks(10))
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.append("text")
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.attr("transform", "translate(15,0) rotate(-90)")
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.attr("y", 6)
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.attr("dy", "0.71em")
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.attr("text-anchor", "end")
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.text("y");
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var xLabel = ((axisLabel.length == 2) && axisLabel[0] ) || "X-label";
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var yLabel = ((axisLabel.length == 2) && axisLabel[1] ) || "Y-label";
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var xLabelPos = d3.select(".axis-x").node().getBBox().height*2 + height;
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var yLabelPos = -d3.select(".axis-y").node().getBBox().width*0.65;
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g
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.append('g').classed("label-x",true)
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.attr('transform', 'translate(' + (width/2) + ', ' + xLabelPos + ')')
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.append('text')
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.attr('text-anchor', 'middle')
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.text(xLabel);
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g
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.append('g').classed("label-y",true)
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.attr('transform', 'translate(' + yLabelPos + ', ' + (height/2) + ') rotate(-90)')
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.append('text')
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.attr('text-anchor', 'middle')
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.attr("shape-rendering","crispEdges")
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.text(yLabel);
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var tip_points = d3.tip()
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.attr('class', 'd3-tip')
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.html(function(d) { return d.y; });
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var vis = svg.call(tip_points);
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g.selectAll(".bar")
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.data(data)
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.enter().append("rect")
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.attr("class", "bar")
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.attr("x", function(d) { return x(d.x); })
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.attr("y", function(d) { return y(d.y); })
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.attr("width", x.bandwidth())
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.attr("height", function(d) { return height - y(d.y); })
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.on('mouseover', function () {
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tip_points.show.apply(this,arguments);
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})
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.on('mouseout', function () {
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tip_points.hide.apply(this,arguments);
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});
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}
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function cleanChart() {
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var eleChart = d3.select(".chart").html("");
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} |