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nv.models.linePlusBarChart = function() {
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//============================================================
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// Public Variables with Default Settings
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//------------------------------------------------------------
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var lines = nv.models.line()
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, bars = nv.models.historicalBar()
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, xAxis = nv.models.axis()
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, y1Axis = nv.models.axis()
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, y2Axis = nv.models.axis()
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, legend = nv.models.legend()
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;
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var margin = {top: 30, right: 60, bottom: 50, left: 60}
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, width = null
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, height = null
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, getX = function(d) { return d.x }
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, getY = function(d) { return d.y }
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, color = nv.utils.defaultColor()
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, showLegend = true
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, tooltips = true
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, tooltip = function(key, x, y, e, graph) {
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return '<h3>' + key + '</h3>' +
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'<p>' + y + ' at ' + x + '</p>';
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}
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, x
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, y1
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, y2
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, state = {}
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, defaultState = null
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, noData = "No Data Available."
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, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState')
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;
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bars
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.padData(true)
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;
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lines
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.clipEdge(false)
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.padData(true)
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;
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xAxis
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.orient('bottom')
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.tickPadding(7)
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.highlightZero(false)
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;
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y1Axis
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.orient('left')
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;
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y2Axis
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.orient('right')
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;
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//============================================================
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//============================================================
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// Private Variables
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//------------------------------------------------------------
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var showTooltip = function(e, offsetElement) {
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var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
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top = e.pos[1] + ( offsetElement.offsetTop || 0),
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x = xAxis.tickFormat()(lines.x()(e.point, e.pointIndex)),
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y = (e.series.bar ? y1Axis : y2Axis).tickFormat()(lines.y()(e.point, e.pointIndex)),
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content = tooltip(e.series.key, x, y, e, chart);
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nv.tooltip.show([left, top], content, e.value < 0 ? 'n' : 's', null, offsetElement);
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}
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;
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//------------------------------------------------------------
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function chart(selection) {
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selection.each(function(data) {
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var container = d3.select(this),
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that = this;
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var availableWidth = (width || parseInt(container.style('width')) || 960)
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- margin.left - margin.right,
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availableHeight = (height || parseInt(container.style('height')) || 400)
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- margin.top - margin.bottom;
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chart.update = function() { container.transition().call(chart); };
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chart.container = this;
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//set state.disabled
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state.disabled = data.map(function(d) { return !!d.disabled });
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if (!defaultState) {
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var key;
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defaultState = {};
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for (key in state) {
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if (state[key] instanceof Array)
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defaultState[key] = state[key].slice(0);
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else
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defaultState[key] = state[key];
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}
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}
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//------------------------------------------------------------
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// Display No Data message if there's nothing to show.
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if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
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var noDataText = container.selectAll('.nv-noData').data([noData]);
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noDataText.enter().append('text')
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.attr('class', 'nvd3 nv-noData')
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.attr('dy', '-.7em')
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.style('text-anchor', 'middle');
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noDataText
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.attr('x', margin.left + availableWidth / 2)
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.attr('y', margin.top + availableHeight / 2)
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.text(function(d) { return d });
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return chart;
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} else {
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container.selectAll('.nv-noData').remove();
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}
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Setup Scales
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var dataBars = data.filter(function(d) { return !d.disabled && d.bar });
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var dataLines = data.filter(function(d) { return !d.bar }); // removed the !d.disabled clause here to fix Issue #240
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//x = xAxis.scale();
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x = dataLines.filter(function(d) { return !d.disabled; }).length && dataLines.filter(function(d) { return !d.disabled; })[0].values.length ? lines.xScale() : bars.xScale();
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//x = dataLines.filter(function(d) { return !d.disabled; }).length ? lines.xScale() : bars.xScale(); //old code before change above
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y1 = bars.yScale();
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y2 = lines.yScale();
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Setup containers and skeleton of chart
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var wrap = d3.select(this).selectAll('g.nv-wrap.nv-linePlusBar').data([data]);
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var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-linePlusBar').append('g');
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var g = wrap.select('g');
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gEnter.append('g').attr('class', 'nv-x nv-axis');
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gEnter.append('g').attr('class', 'nv-y1 nv-axis');
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gEnter.append('g').attr('class', 'nv-y2 nv-axis');
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gEnter.append('g').attr('class', 'nv-barsWrap');
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gEnter.append('g').attr('class', 'nv-linesWrap');
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gEnter.append('g').attr('class', 'nv-legendWrap');
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Legend
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if (showLegend) {
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legend.width( availableWidth / 2 );
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g.select('.nv-legendWrap')
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.datum(data.map(function(series) {
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series.originalKey = series.originalKey === undefined ? series.key : series.originalKey;
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series.key = series.originalKey + (series.bar ? ' (left axis)' : ' (right axis)');
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return series;
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}))
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.call(legend);
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if ( margin.top != legend.height()) {
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margin.top = legend.height();
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availableHeight = (height || parseInt(container.style('height')) || 400)
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- margin.top - margin.bottom;
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}
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g.select('.nv-legendWrap')
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.attr('transform', 'translate(' + ( availableWidth / 2 ) + ',' + (-margin.top) +')');
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}
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//------------------------------------------------------------
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wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
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//------------------------------------------------------------
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// Main Chart Component(s)
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lines
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.width(availableWidth)
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.height(availableHeight)
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.color(data.map(function(d,i) {
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return d.color || color(d, i);
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}).filter(function(d,i) { return !data[i].disabled && !data[i].bar }))
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bars
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.width(availableWidth)
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.height(availableHeight)
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.color(data.map(function(d,i) {
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return d.color || color(d, i);
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}).filter(function(d,i) { return !data[i].disabled && data[i].bar }))
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var barsWrap = g.select('.nv-barsWrap')
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.datum(dataBars.length ? dataBars : [{values:[]}])
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var linesWrap = g.select('.nv-linesWrap')
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.datum(dataLines[0] && !dataLines[0].disabled ? dataLines : [{values:[]}] );
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//.datum(!dataLines[0].disabled ? dataLines : [{values:dataLines[0].values.map(function(d) { return [d[0], null] }) }] );
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d3.transition(barsWrap).call(bars);
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d3.transition(linesWrap).call(lines);
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Setup Axes
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xAxis
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.scale(x)
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.ticks( availableWidth / 100 )
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.tickSize(-availableHeight, 0);
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g.select('.nv-x.nv-axis')
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.attr('transform', 'translate(0,' + y1.range()[0] + ')');
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d3.transition(g.select('.nv-x.nv-axis'))
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.call(xAxis);
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y1Axis
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.scale(y1)
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.ticks( availableHeight / 36 )
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.tickSize(-availableWidth, 0);
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d3.transition(g.select('.nv-y1.nv-axis'))
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.style('opacity', dataBars.length ? 1 : 0)
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.call(y1Axis);
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y2Axis
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.scale(y2)
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.ticks( availableHeight / 36 )
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.tickSize(dataBars.length ? 0 : -availableWidth, 0); // Show the y2 rules only if y1 has none
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g.select('.nv-y2.nv-axis')
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.style('opacity', dataLines.length ? 1 : 0)
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.attr('transform', 'translate(' + availableWidth + ',0)');
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//.attr('transform', 'translate(' + x.range()[1] + ',0)');
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d3.transition(g.select('.nv-y2.nv-axis'))
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.call(y2Axis);
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//------------------------------------------------------------
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//============================================================
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// Event Handling/Dispatching (in chart's scope)
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//------------------------------------------------------------
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legend.dispatch.on('legendClick', function(d,i) {
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d.disabled = !d.disabled;
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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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wrap.selectAll('.nv-series').classed('disabled', false);
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return d;
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});
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}
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state.disabled = data.map(function(d) { return !!d.disabled });
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dispatch.stateChange(state);
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chart.update();
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});
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dispatch.on('tooltipShow', function(e) {
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if (tooltips) showTooltip(e, that.parentNode);
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});
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// Update chart from a state object passed to event handler
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dispatch.on('changeState', function(e) {
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if (typeof e.disabled !== 'undefined') {
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data.forEach(function(series,i) {
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series.disabled = e.disabled[i];
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});
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state.disabled = e.disabled;
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}
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selection.call(chart);
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});
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//============================================================
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});
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return chart;
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}
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//============================================================
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// Event Handling/Dispatching (out of chart's scope)
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//------------------------------------------------------------
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lines.dispatch.on('elementMouseover.tooltip', function(e) {
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e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
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dispatch.tooltipShow(e);
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});
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lines.dispatch.on('elementMouseout.tooltip', function(e) {
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dispatch.tooltipHide(e);
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});
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bars.dispatch.on('elementMouseover.tooltip', function(e) {
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e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
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dispatch.tooltipShow(e);
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});
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bars.dispatch.on('elementMouseout.tooltip', function(e) {
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dispatch.tooltipHide(e);
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});
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dispatch.on('tooltipHide', function() {
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if (tooltips) nv.tooltip.cleanup();
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});
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//============================================================
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|
|
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|
|
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//============================================================
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|
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// Expose Public Variables
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//------------------------------------------------------------
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// expose chart's sub-components
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chart.dispatch = dispatch;
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chart.legend = legend;
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chart.lines = lines;
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chart.bars = bars;
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chart.xAxis = xAxis;
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chart.y1Axis = y1Axis;
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chart.y2Axis = y2Axis;
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|
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d3.rebind(chart, lines, 'defined', 'size', 'clipVoronoi', 'interpolate');
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//TODO: consider rebinding x, y and some other stuff, and simply do soemthign lile bars.x(lines.x()), etc.
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//d3.rebind(chart, lines, 'x', 'y', 'size', 'xDomain', 'yDomain', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'id');
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chart.x = function(_) {
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if (!arguments.length) return getX;
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getX = _;
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lines.x(_);
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bars.x(_);
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return chart;
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};
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chart.y = function(_) {
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if (!arguments.length) return getY;
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getY = _;
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lines.y(_);
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bars.y(_);
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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.top = typeof _.top != 'undefined' ? _.top : margin.top;
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|
|
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
|
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|
|
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
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|
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
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|
return chart;
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|
};
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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(_) {
|
|
|
|
if (!arguments.length) return color;
|
|
|
|
color = nv.utils.getColor(_);
|
|
|
|
legend.color(color);
|
|
|
|
return chart;
|
|
|
|
};
|
|
|
|
|
|
|
|
chart.showLegend = function(_) {
|
|
|
|
if (!arguments.length) return showLegend;
|
|
|
|
showLegend = _;
|
|
|
|
return chart;
|
|
|
|
};
|
|
|
|
|
|
|
|
chart.tooltips = function(_) {
|
|
|
|
if (!arguments.length) return tooltips;
|
|
|
|
tooltips = _;
|
|
|
|
return chart;
|
|
|
|
};
|
|
|
|
|
|
|
|
chart.tooltipContent = function(_) {
|
|
|
|
if (!arguments.length) return tooltip;
|
|
|
|
tooltip = _;
|
|
|
|
return chart;
|
|
|
|
};
|
|
|
|
|
|
|
|
chart.state = function(_) {
|
|
|
|
if (!arguments.length) return state;
|
|
|
|
state = _;
|
|
|
|
return chart;
|
|
|
|
};
|
|
|
|
|
|
|
|
chart.defaultState = function(_) {
|
|
|
|
if (!arguments.length) return defaultState;
|
|
|
|
defaultState = _;
|
|
|
|
return chart;
|
|
|
|
};
|
|
|
|
|
|
|
|
chart.noData = function(_) {
|
|
|
|
if (!arguments.length) return noData;
|
|
|
|
noData = _;
|
|
|
|
return chart;
|
|
|
|
};
|
|
|
|
|
|
|
|
//============================================================
|
|
|
|
|
|
|
|
|
|
|
|
return chart;
|
|
|
|
}
|