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@ -2012,6 +2012,407 @@ nv.models.sparkline = function() {
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return chart;
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};
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return chart;
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}
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nv.models.stackedArea = function() {
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var margin = {top: 0, right: 0, bottom: 0, left: 0},
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width = 960,
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height = 500,
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color = d3.scale.category10().range(),
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style = 'stack',
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offset = 'zero',
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order = 'default';
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/************************************
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* offset:
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* 'wiggle' (stream)
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* 'zero' (stacked)
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* 'expand' (normalize to 100%)
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* 'silhouette' (simple centered)
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*
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* order:
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* 'inside-out' (stream)
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* 'default' (input order)
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************************************/
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function chart(selection) {
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selection.each(function(data) {
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// Need to leave data alone to switch between stacked, stream, and expanded
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var dataCopy = JSON.parse(JSON.stringify(data));
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//log(dataCopy);
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dataCopy = dataCopy.map(function(series) { return series.values })
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//compute the data based on offset and order (calc's y0 for every point)
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//dataCopy = d3.layout.stack().offset(offset).order(order).values(function(d){ return d.values })(dataCopy);
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dataCopy = d3.layout.stack().offset(offset).order(order)(dataCopy);
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var mx = dataCopy[0].length - 1, // assumes that all layers have same # of samples & that there is at least one layer
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my = d3.max(dataCopy, function(d) {
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return d3.max(d, function(d) {
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return d.y0 + d.y;
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});
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});
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// Select the wrapper g, if it exists.
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var wrap = d3.select(this).selectAll('g.d3stream').data([dataCopy]);
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// Create the skeletal chart on first load.
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var gEnter = wrap.enter().append('g').attr('class', 'd3stream').append('g');
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var g = wrap.select('g')
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.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
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// Update the stacked graph
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var availableWidth = width - margin.left - margin.right,
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availableHeight = height - margin.top - margin.bottom;
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var area = d3.svg.area()
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.x(function(d) { return d.x * availableWidth / mx; })
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.y0(function(d) { return availableHeight - d.y0 * availableHeight / my; })
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.y1(function(d) { return availableHeight - (d.y + d.y0) * availableHeight / my; });
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var zeroArea = d3.svg.area()
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.x(function(d) { return d.x * availableWidth / mx; })
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.y0(function(d) { return availableHeight - d.y0 * availableHeight / my; })
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.y1(function(d) { return availableHeight - d.y0 * availableHeight / my; })
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var path = g.selectAll('path')
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.data(function(d) { return d });
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//.data(dataCopy);
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path.enter().append('path');
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d3.transition(path.exit())
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.attr('d', zeroArea)
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.remove();
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path
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.style('fill-opacity', .75)
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.style('stroke-opacity', .75)
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.style('fill', function(d,i){ return color[i % 10] })
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.style('stroke', function(d,i){ return color[i % 10] });
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d3.transition(path)
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.attr('d', area);
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});
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return chart;
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}
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chart.margin = function(_) {
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if (!arguments.length) return margin;
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margin = _;
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return chart;
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};
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chart.width = function(_) {
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if (!arguments.length) return width;
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width = _;
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return chart;
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};
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chart.height = function(_) {
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if (!arguments.length) return height;
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height = _;
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return chart;
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};
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chart.color = function(_) {
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if (!arguments.length) return color;
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color = _;
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return chart;
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};
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chart.offset = function(_) {
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if (!arguments.length) return offset;
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offset = _;
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return chart;
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};
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chart.order = function(_) {
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if (!arguments.length) return order;
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order = _;
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return chart;
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};
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//shortcut for offset + order
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chart.style = function(_) {
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if (!arguments.length) return style;
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style = _;
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switch (style) {
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case 'stack':
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offset = 'zero';
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order = 'default';
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break;
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case 'stream':
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offset = 'wiggle';
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order = 'inside-out';
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break;
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case 'expand':
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offset = 'expand';
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order = 'default';
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break;
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}
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return chart;
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};
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return chart;
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}
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nv.models.stackedAreaWithLegend = function() {
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var margin = {top: 30, right: 20, bottom: 50, left: 60},
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width = 960,
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height = 500,
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dotRadius = function() { return 2.5 },
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color = d3.scale.category10().range(),
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dispatch = d3.dispatch('tooltipShow', 'tooltipHide');
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var x = d3.scale.linear(),
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y = d3.scale.linear(),
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getX = function(d) { return d.x },
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getY = function(d) { return d.y },
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xAxis = nv.models.xaxis().scale(x),
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yAxis = nv.models.yaxis().scale(y),
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legend = nv.models.legend().height(30),
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controls = nv.models.legend().height(30),
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stacked = nv.models.stackedArea();
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var controlsData = [
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{ key: 'Stacked' },
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{ key: 'Stream', disabled: true },
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{ key: 'Expanded', disabled: true }
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];
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function chart(selection) {
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selection.each(function(data) {
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var series = data.filter(function(d) { return !d.disabled })
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//.map(function(d) { return d.values });
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.reduce(function(prev, curr, index) { //sum up all the y's
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curr.values.forEach(function(d,i) {
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if (!index) prev[i] = {x: d.x, y:0};
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prev[i].y += getY(d);
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});
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return prev;
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}, []);
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x .domain(d3.extent(d3.merge(series), getX ))
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.range([0, width - margin.left - margin.right]);
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//TODO: remove if stream
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y .domain(stacked.offset() == 'zero' ?
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d3.extent(d3.merge(series), getY ) :
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[0, 1] // 0 - 100%
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)
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.range([height - margin.top - margin.bottom, 0]);
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stacked
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.width(width - margin.left - margin.right)
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.height(height - margin.top - margin.bottom)
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var wrap = d3.select(this).selectAll('g.wrap').data([data]);
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var gEnter = wrap.enter().append('g').attr('class', 'wrap d3stackedWithLegend').append('g');
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gEnter.append('g').attr('class', 'x axis');
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gEnter.append('g').attr('class', 'y axis');
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gEnter.append('g').attr('class', 'stackedWrap');
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gEnter.append('g').attr('class', 'legendWrap');
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gEnter.append('g').attr('class', 'controlsWrap');
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legend.dispatch.on('legendClick', function(d,i) {
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d.disabled = !d.disabled;
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if (d.disabled)
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d.values.map(function(p) { p._y = p.y; p.y = 0; return p });
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else
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d.values.map(function(p) { p.y = p._y; return p });
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if (!data.filter(function(d) { return !d.disabled }).length) {
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data.map(function(d) {
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d.disabled = false;
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d.values.map(function(p) { p.y = p._y; return p });
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//wrap.selectAll('.series').classed('disabled', false);
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return d;
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});
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}
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selection.transition().call(chart);
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});
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controls.dispatch.on('legendClick', function(d,i) {
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if (!d.disabled) return;
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controlsData = controlsData.map(function(s) {
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s.disabled = true;
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return s;
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});
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d.disabled = false;
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switch (d.key) {
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case 'Stacked':
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stacked.style('stack');
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break;
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case 'Stream':
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stacked.style('stream');
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break;
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case 'Expanded':
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stacked.style('expand');
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break;
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}
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selection.transition().call(chart);
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});
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/*
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legend.dispatch.on('legendMouseover', function(d, i) {
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d.hover = true;
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selection.transition().call(chart)
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});
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legend.dispatch.on('legendMouseout', function(d, i) {
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d.hover = false;
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selection.transition().call(chart)
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});
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stacked.dispatch.on('pointMouseover.tooltip', function(e) {
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dispatch.tooltipShow({
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point: e.point,
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series: e.series,
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pos: [e.pos[0] + margin.left, e.pos[1] + margin.top],
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seriesIndex: e.seriesIndex,
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pointIndex: e.pointIndex
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});
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});
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stacked.dispatch.on('pointMouseout.tooltip', function(e) {
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dispatch.tooltipHide(e);
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});
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*/
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//TODO: margins should be adjusted based on what components are used: axes, axis labels, legend
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margin.top = legend.height();
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var g = wrap.select('g')
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.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
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legend.width(width/2 - margin.right);
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controls.width(260);
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g.select('.legendWrap')
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.datum(data)
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.attr('transform', 'translate(' + (width/2 - margin.left) + ',' + (-margin.top) +')')
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.call(legend);
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g.select('.controlsWrap')
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.datum(controlsData)
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.attr('transform', 'translate(0,' + (-margin.top) +')')
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.call(controls);
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var stackedWrap = g.select('.stackedWrap')
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.datum(data);
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//.datum(data.filter(function(d) { return !d.disabled }))
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d3.transition(stackedWrap).call(stacked);
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xAxis
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.domain(x.domain())
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.range(x.range())
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.ticks( width / 100 )
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.tickSize(-(height - margin.top - margin.bottom), 0);
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g.select('.x.axis')
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.attr('transform', 'translate(0,' + y.range()[0] + ')');
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d3.transition(g.select('.x.axis'))
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.call(xAxis);
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yAxis
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.domain(y.domain())
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.range(y.range())
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.ticks( stacked.offset() == 'wiggle' ? 0 : height / 36 )
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.tickSize(-(width - margin.right - margin.left), 0)
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.tickFormat(stacked.offset() == 'zero' ? d3.format(',2f') : d3.format('%')); //TODO: stacked format should be set by caller
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d3.transition(g.select('.y.axis'))
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|
|
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|
.call(yAxis);
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|
|
|
|
|
|
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});
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|
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|
|
|
|
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return chart;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
chart.dispatch = dispatch;
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|
|
|
|
|
|
|
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|
chart.x = function(_) {
|
|
|
|
|
if (!arguments.length) return getX;
|
|
|
|
|
getX = _;
|
|
|
|
|
stacked.x(_);
|
|
|
|
|
return chart;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
chart.y = function(_) {
|
|
|
|
|
if (!arguments.length) return getY;
|
|
|
|
|
getY = _;
|
|
|
|
|
stacked.y(_);
|
|
|
|
|
return chart;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
chart.margin = function(_) {
|
|
|
|
|
if (!arguments.length) return margin;
|
|
|
|
|
margin = _;
|
|
|
|
|
return chart;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
chart.width = function(_) {
|
|
|
|
|
if (!arguments.length) return width;
|
|
|
|
|
width = _;
|
|
|
|
|
return chart;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
chart.height = function(_) {
|
|
|
|
|
if (!arguments.length) return height;
|
|
|
|
|
height = _;
|
|
|
|
|
return chart;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
chart.dotRadius = function(_) {
|
|
|
|
|
if (!arguments.length) return dotRadius;
|
|
|
|
|
dotRadius = d3.functor(_);
|
|
|
|
|
stacked.dotRadius = _;
|
|
|
|
|
return chart;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Expose the x-axis' tickFormat method.
|
|
|
|
|
//chart.xAxis = {};
|
|
|
|
|
//d3.rebind(chart.xAxis, xAxis, 'tickFormat');
|
|
|
|
|
chart.xAxis = xAxis;
|
|
|
|
|
|
|
|
|
|
// Expose the y-axis' tickFormat method.
|
|
|
|
|
//chart.yAxis = {};
|
|
|
|
|
//d3.rebind(chart.yAxis, yAxis, 'tickFormat');
|
|
|
|
|
chart.yAxis = yAxis;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return chart;
|
|
|
|
|
}
|
|
|
|
|
})();
|
|
|
|
|