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87551e88f8
Conflicts: app/controllers/admin/stats_controller.rb app/views/admin/stats/index.html.haml
70 lines
No EOL
2.7 KiB
HTML
70 lines
No EOL
2.7 KiB
HTML
<script>
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var registered = '<%= h @registrations.count%>';
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var data = <%=raw @other_info.to_json %>;
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var valueLabelWidth = 70; // space reserved for value labels (right)
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var barHeight = 24; // height of one bar
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var barLabelWidth = 210; // space reserved for bar labels
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var barLabelPadding = 8; // padding between bar and bar labels (left)
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var gridLabelHeight = 18; // space reserved for gridline labels
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var gridChartOffset = 3; // space between start of grid and first bar
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var maxBarWidth = 350; // width of the bar with the max value
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var color = d3.scale.category20();
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// accessor functions
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var barLabel = function(d) { return d['status']; };
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var barValue = function(d) { return d['value'] / registered * 100; };
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var barValues = function(d) { return d['value']; };
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// scales
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var yScale = d3.scale.ordinal().domain(d3.range(0, data.length)).rangeBands([0, data.length * barHeight]);
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var y = function(d, i) { return yScale(i); };
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var yText = function(d, i) { return y(d, i) + yScale.rangeBand() / 2; };
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var yMax = d3.max(data, function(d){ return barValue(d) + 15; });
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var x = d3.scale.linear().domain([0, yMax]).range([0, maxBarWidth]);
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// svg container element
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var chart = d3.select('#other_info').append("svg")
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.attr('width', maxBarWidth + barLabelWidth + valueLabelWidth)
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.attr('height', gridLabelHeight + gridChartOffset + data.length * barHeight);
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// bar labels
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var labelsContainer = chart.append('g')
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.attr('transform', 'translate(' + (barLabelWidth - barLabelPadding) + ',' + (gridLabelHeight + gridChartOffset) + ')');
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labelsContainer.selectAll('text').data(data).enter().append('text')
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.attr('y', yText)
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.attr('stroke', 'none')
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.attr('fill', 'black')
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.attr("dy", ".35em") // vertical-align: middle
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.attr('text-anchor', 'end')
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.text(barLabel);
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// bars
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var barsContainer = chart.append('g')
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.attr('transform', 'translate(' + barLabelWidth + ',' + (gridLabelHeight + gridChartOffset) + ')');
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barsContainer.selectAll("rect").data(data).enter().append("rect")
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.attr('y', y)
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.attr('height', yScale.rangeBand())
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.attr('width', function(d) { return x(barValue(d)); })
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.attr('stroke', 'white')
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.attr('fill', function(d) { return color(barLabel(d)); });
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// bar value labels
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barsContainer.selectAll("text").data(data).enter().append("text")
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.attr("x", 5)
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.attr("y", yText)
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.attr("dx", 3) // padding-left
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.attr("dy", ".35em") // vertical-align: middle
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.attr("text-anchor", "start") // text-align: right
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.attr("fill", "black")
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.attr("stroke", "none")
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.text(function(d) { return d3.round(barValues(d), 2) + " (" + d3.round(barValue(d), 0) + "%)"; });
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// start line
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barsContainer.append("line")
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.attr("y1", -gridChartOffset)
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.attr("y2", yScale.rangeExtent()[1] + gridChartOffset)
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.style("stroke", "#000");
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</script> |