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