104 lines
3.5 KiB
Plaintext
104 lines
3.5 KiB
Plaintext
$(function() {
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if ($.isController('exercise_collections')) {
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var data = $('#data').data('working-times');
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var averageWorkingTimeValue = parseFloat($('#data').data('average-working-time'));
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var margin = { top: 30, right: 40, bottom: 30, left: 50 },
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width = 720 - margin.left - margin.right,
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height = 500 - margin.top - margin.bottom;
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var x = d3.scaleBand().range([0, width]);
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var y = d3.scaleLinear().range([height, 0]);
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var xAxis = d3.axisBottom(x);
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var yAxisLeft = d3.axisLeft(y);
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var tooltip = d3.select("#graph").append("div").attr("class", "exercise-id-tooltip");
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var averageWorkingTime = d3.line()
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.x(function (d) { return x(d.index) + x.bandwidth()/2; })
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.y(function () { return y(averageWorkingTimeValue); });
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var minWorkingTime = d3.line()
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.x(function (d) { return x(d.index) + x.bandwidth()/2; })
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.y(function () { return y(0.1*averageWorkingTimeValue); });
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var maxWorkingTime = d3.line()
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.x(function (d) { return x(d.index) + x.bandwidth()/2; })
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.y(function () { return y(2*averageWorkingTimeValue); });
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var svg = d3.select('#graph')
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.append("svg")
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.attr("width", width + margin.left + margin.right)
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.attr("height", height + margin.top + margin.bottom)
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.append("g")
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.attr("transform",
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"translate(" + margin.left + "," + margin.top + ")");
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// Get the data
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data = Object.keys(data).map(function (key, index) {
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return {
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index: index,
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exercise_id: parseInt(key),
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working_time: parseFloat(data[key])
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};
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});
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// Scale the range of the data
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x.domain(data.map(function (d) { return d.index; }));
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y.domain([0, d3.max(data, function (d) { return d.working_time; })]);
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// Add the X Axis
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svg.append("g")
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.attr("class", "x axis")
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.attr("transform", "translate(0," + height + ")")
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.call(xAxis);
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// Add the Y Axis
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svg.append("g")
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.attr("class", "y axis")
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.style("fill", "steelblue")
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.call(yAxisLeft);
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// Draw the bars
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svg.selectAll("bar")
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.data(data)
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.enter()
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.append("rect")
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.style("fill", "#008cba")
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.style("cursor", "pointer")
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.on("mousemove", function (d){
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tooltip
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.style("left", d3.event.pageX - 50 + "px")
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.style("top", d3.event.pageY + 50 + "px")
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.style("display", "inline-block")
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.html("<%= I18n.t('activerecord.models.exercise.one') %> ID: " + d.exercise_id + "<br>" +
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"<%= I18n.t('exercises.statistics.average_worktime') %>: " + d.working_time + "s");
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})
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.on("mouseout", function (){ tooltip.style("display", "none");})
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.on("click", function (d) {
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window.location.href = "/exercises/" + d.exercise_id + "/statistics";
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})
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.attr("x", function (d) { return x(d.index); })
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.attr("width", x.bandwidth())
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.attr("y", function (d) { return y(d.working_time); })
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.attr("height", function (d) { return height - y(d.working_time); });
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// Add the average working time path
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svg.append("path")
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.datum(data)
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.attr("class", "line average-working-time")
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.attr("d", averageWorkingTime);
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// Add the anomaly paths (min/max average exercise working time)
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svg.append("path")
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.datum(data)
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.attr("class", "line minimum-working-time")
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.attr("d", minWorkingTime);
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svg.append("path")
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.datum(data)
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.attr("class", "line maximum-working-time")
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.attr("d", maxWorkingTime);
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}
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});
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