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3b94b3e812
Summary: See PHI1017. This is a trivial fix even though these burnups are headed toward a grisly fate. Test Plan: Moused over some January datapoints, saw "1" instead of "0". Reviewers: amckinley Reviewed By: amckinley Differential Revision: https://secure.phabricator.com/D19967
126 lines
2.8 KiB
JavaScript
126 lines
2.8 KiB
JavaScript
/**
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* @provides javelin-behavior-line-chart
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* @requires javelin-behavior
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* javelin-dom
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* javelin-vector
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* phui-chart-css
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*/
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JX.behavior('line-chart', function(config) {
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function fn(n) {
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return n + '(' + JX.$A(arguments).slice(1).join(', ') + ')';
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}
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var h = JX.$(config.hardpoint);
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var d = JX.Vector.getDim(h);
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var padding = {
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top: 24,
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left: 48,
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bottom: 48,
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right: 32
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};
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var size = {
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frameWidth: d.x,
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frameHeight: d.y,
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};
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size.width = size.frameWidth - padding.left - padding.right;
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size.height = size.frameHeight - padding.top - padding.bottom;
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var x = d3.time.scale()
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.range([0, size.width]);
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var y = d3.scale.linear()
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.range([size.height, 0]);
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var xAxis = d3.svg.axis()
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.scale(x)
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.orient('bottom');
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var yAxis = d3.svg.axis()
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.scale(y)
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.orient('left');
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var svg = d3.select('#' + config.hardpoint).append('svg')
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.attr('width', size.frameWidth)
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.attr('height', size.frameHeight)
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.attr('class', 'chart');
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var g = svg.append('g')
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.attr('transform', fn('translate', padding.left, padding.top));
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g.append('rect')
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.attr('class', 'inner')
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.attr('width', size.width)
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.attr('height', size.height);
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var line = d3.svg.line()
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.x(function(d) { return x(d.date); })
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.y(function(d) { return y(d.count); });
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var data = [];
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for (var ii = 0; ii < config.x[0].length; ii++) {
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data.push(
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{
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date: new Date(config.x[0][ii] * 1000),
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count: +config.y[0][ii]
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});
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}
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x.domain(d3.extent(data, function(d) { return d.date; }));
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var yex = d3.extent(data, function(d) { return d.count; });
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yex[0] = 0;
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yex[1] = yex[1] * 1.05;
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y.domain(yex);
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g.append('path')
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.datum(data)
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.attr('class', 'line')
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.attr('d', line);
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g.append('g')
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.attr('class', 'x axis')
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.attr('transform', fn('translate', 0, size.height))
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.call(xAxis);
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g.append('g')
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.attr('class', 'y axis')
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.attr('transform', fn('translate', 0, 0))
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.call(yAxis);
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var div = d3.select('body')
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.append('div')
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.attr('class', 'chart-tooltip')
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.style('opacity', 0);
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g.selectAll('dot')
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.data(data)
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.enter()
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.append('circle')
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.attr('class', 'point')
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.attr('r', 3)
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.attr('cx', function(d) { return x(d.date); })
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.attr('cy', function(d) { return y(d.count); })
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.on('mouseover', function(d) {
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var d_y = d.date.getFullYear();
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// NOTE: Javascript months are zero-based. See PHI1017.
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var d_m = d.date.getMonth() + 1;
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var d_d = d.date.getDate();
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div
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.html(d_y + '-' + d_m + '-' + d_d + ': ' + d.count)
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.style('opacity', 0.9)
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.style('left', (d3.event.pageX - 60) + 'px')
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.style('top', (d3.event.pageY - 38) + 'px');
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})
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.on('mouseout', function() {
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div.style('opacity', 0);
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});
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});
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