nv.models.scatterPlusLineChart = function() { "use strict"; //============================================================ // Public Variables with Default Settings //------------------------------------------------------------ var scatter = nv.models.scatter() , xAxis = nv.models.axis() , yAxis = nv.models.axis() , legend = nv.models.legend() , controls = nv.models.legend() , distX = nv.models.distribution() , distY = nv.models.distribution() ; var margin = {top: 30, right: 20, bottom: 50, left: 75} , width = null , height = null , color = nv.utils.defaultColor() , x = d3.fisheye ? d3.fisheye.scale(d3.scale.linear).distortion(0) : scatter.xScale() , y = d3.fisheye ? d3.fisheye.scale(d3.scale.linear).distortion(0) : scatter.yScale() , showDistX = false , showDistY = false , showLegend = true , showXAxis = true , showYAxis = true , rightAlignYAxis = false , showControls = !!d3.fisheye , fisheye = 0 , pauseFisheye = false , tooltips = true , tooltipX = function(key, x, y) { return '' + x + '' } , tooltipY = function(key, x, y) { return '' + y + '' } , tooltip = function(key, x, y, date) { return '
' + date + '
' } , state = {} , defaultState = null , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState') , noData = "No Data Available." , transitionDuration = 250 ; scatter .xScale(x) .yScale(y) ; xAxis .orient('bottom') .tickPadding(10) ; yAxis .orient((rightAlignYAxis) ? 'right' : 'left') .tickPadding(10) ; distX .axis('x') ; distY .axis('y') ; controls.updateState(false); //============================================================ //============================================================ // Private Variables //------------------------------------------------------------ var x0, y0; var showTooltip = function(e, offsetElement) { //TODO: make tooltip style an option between single or dual on axes (maybe on all charts with axes?) var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ), top = e.pos[1] + ( offsetElement.offsetTop || 0), leftX = e.pos[0] + ( offsetElement.offsetLeft || 0 ), topX = y.range()[0] + margin.top + ( offsetElement.offsetTop || 0), leftY = x.range()[0] + margin.left + ( offsetElement.offsetLeft || 0 ), topY = e.pos[1] + ( offsetElement.offsetTop || 0), xVal = xAxis.tickFormat()(scatter.x()(e.point, e.pointIndex)), yVal = yAxis.tickFormat()(scatter.y()(e.point, e.pointIndex)); if( tooltipX != null ) nv.tooltip.show([leftX, topX], tooltipX(e.series.key, xVal, yVal, e, chart), 'n', 1, offsetElement, 'x-nvtooltip'); if( tooltipY != null ) nv.tooltip.show([leftY, topY], tooltipY(e.series.key, xVal, yVal, e, chart), 'e', 1, offsetElement, 'y-nvtooltip'); if( tooltip != null ) nv.tooltip.show([left, top], tooltip(e.series.key, xVal, yVal, e.point.tooltip, e, chart), e.value < 0 ? 'n' : 's', null, offsetElement); }; var controlsData = [ { key: 'Magnify', disabled: true } ]; //============================================================ 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().duration(transitionDuration).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 noData 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 x = scatter.xScale(); y = scatter.yScale(); x0 = x0 || x; y0 = y0 || y; //------------------------------------------------------------ //------------------------------------------------------------ // Setup containers and skeleton of chart var wrap = container.selectAll('g.nv-wrap.nv-scatterChart').data([data]); var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-scatterChart nv-chart-' + scatter.id()); var gEnter = wrapEnter.append('g'); var g = wrap.select('g') // background for pointer events gEnter.append('rect').attr('class', 'nvd3 nv-background').style("pointer-events","none"); gEnter.append('g').attr('class', 'nv-x nv-axis'); gEnter.append('g').attr('class', 'nv-y nv-axis'); gEnter.append('g').attr('class', 'nv-scatterWrap'); gEnter.append('g').attr('class', 'nv-regressionLinesWrap'); gEnter.append('g').attr('class', 'nv-distWrap'); gEnter.append('g').attr('class', 'nv-legendWrap'); gEnter.append('g').attr('class', 'nv-controlsWrap'); wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')'); if (rightAlignYAxis) { g.select(".nv-y.nv-axis") .attr("transform", "translate(" + availableWidth + ",0)"); } //------------------------------------------------------------ //------------------------------------------------------------ // Legend if (showLegend) { legend.width( availableWidth / 2 ); wrap.select('.nv-legendWrap') .datum(data) .call(legend); if ( margin.top != legend.height()) { margin.top = legend.height(); availableHeight = (height || parseInt(container.style('height')) || 400) - margin.top - margin.bottom; } wrap.select('.nv-legendWrap') .attr('transform', 'translate(' + (availableWidth / 2) + ',' + (-margin.top) +')'); } //------------------------------------------------------------ //------------------------------------------------------------ // Controls if (showControls) { controls.width(180).color(['#444']); g.select('.nv-controlsWrap') .datum(controlsData) .attr('transform', 'translate(0,' + (-margin.top) +')') .call(controls); } //------------------------------------------------------------ //------------------------------------------------------------ // Main Chart Component(s) scatter .width(availableWidth) .height(availableHeight) .color(data.map(function(d,i) { return d.color || color(d, i); }).filter(function(d,i) { return !data[i].disabled })) wrap.select('.nv-scatterWrap') .datum(data.filter(function(d) { return !d.disabled })) .call(scatter); wrap.select('.nv-regressionLinesWrap') .attr('clip-path', 'url(#nv-edge-clip-' + scatter.id() + ')'); var regWrap = wrap.select('.nv-regressionLinesWrap').selectAll('.nv-regLines') .data(function(d) {return d }); regWrap.enter().append('g').attr('class', 'nv-regLines'); var regLine = regWrap.selectAll('.nv-regLine').data(function(d){return [d]}); var regLineEnter = regLine.enter() .append('line').attr('class', 'nv-regLine') .style('stroke-opacity', 0); regLine .transition() .attr('x1', x.range()[0]) .attr('x2', x.range()[1]) .attr('y1', function(d,i) {return y(x.domain()[0] * d.slope + d.intercept) }) .attr('y2', function(d,i) { return y(x.domain()[1] * d.slope + d.intercept) }) .style('stroke', function(d,i,j) { return color(d,j) }) .style('stroke-opacity', function(d,i) { return (d.disabled || typeof d.slope === 'undefined' || typeof d.intercept === 'undefined') ? 0 : 1 }); //------------------------------------------------------------ //------------------------------------------------------------ // Setup Axes if (showXAxis) { xAxis .scale(x) .ticks( xAxis.ticks() ? xAxis.ticks() : availableWidth / 100 ) .tickSize( -availableHeight , 0); g.select('.nv-x.nv-axis') .attr('transform', 'translate(0,' + y.range()[0] + ')') .call(xAxis); } if (showYAxis) { yAxis .scale(y) .ticks( yAxis.ticks() ? yAxis.ticks() : availableHeight / 36 ) .tickSize( -availableWidth, 0); g.select('.nv-y.nv-axis') .call(yAxis); } if (showDistX) { distX .getData(scatter.x()) .scale(x) .width(availableWidth) .color(data.map(function(d,i) { return d.color || color(d, i); }).filter(function(d,i) { return !data[i].disabled })); gEnter.select('.nv-distWrap').append('g') .attr('class', 'nv-distributionX'); g.select('.nv-distributionX') .attr('transform', 'translate(0,' + y.range()[0] + ')') .datum(data.filter(function(d) { return !d.disabled })) .call(distX); } if (showDistY) { distY .getData(scatter.y()) .scale(y) .width(availableHeight) .color(data.map(function(d,i) { return d.color || color(d, i); }).filter(function(d,i) { return !data[i].disabled })); gEnter.select('.nv-distWrap').append('g') .attr('class', 'nv-distributionY'); g.select('.nv-distributionY') .attr('transform', 'translate(' + (rightAlignYAxis ? availableWidth : -distY.size() ) + ',0)') .datum(data.filter(function(d) { return !d.disabled })) .call(distY); } //------------------------------------------------------------ if (d3.fisheye) { g.select('.nv-background') .attr('width', availableWidth) .attr('height', availableHeight) ; g.select('.nv-background').on('mousemove', updateFisheye); g.select('.nv-background').on('click', function() { pauseFisheye = !pauseFisheye;}); scatter.dispatch.on('elementClick.freezeFisheye', function() { pauseFisheye = !pauseFisheye; }); } function updateFisheye() { if (pauseFisheye) { g.select('.nv-point-paths').style('pointer-events', 'all'); return false; } g.select('.nv-point-paths').style('pointer-events', 'none' ); var mouse = d3.mouse(this); x.distortion(fisheye).focus(mouse[0]); y.distortion(fisheye).focus(mouse[1]); g.select('.nv-scatterWrap') .datum(data.filter(function(d) { return !d.disabled })) .call(scatter); if (showXAxis) g.select('.nv-x.nv-axis').call(xAxis); if (showYAxis) g.select('.nv-y.nv-axis').call(yAxis); g.select('.nv-distributionX') .datum(data.filter(function(d) { return !d.disabled })) .call(distX); g.select('.nv-distributionY') .datum(data.filter(function(d) { return !d.disabled })) .call(distY); } //============================================================ // Event Handling/Dispatching (in chart's scope) //------------------------------------------------------------ controls.dispatch.on('legendClick', function(d,i) { d.disabled = !d.disabled; fisheye = d.disabled ? 0 : 2.5; g.select('.nv-background') .style('pointer-events', d.disabled ? 'none' : 'all'); g.select('.nv-point-paths').style('pointer-events', d.disabled ? 'all' : 'none' ); if (d.disabled) { x.distortion(fisheye).focus(0); y.distortion(fisheye).focus(0); g.select('.nv-scatterWrap').call(scatter); g.select('.nv-x.nv-axis').call(xAxis); g.select('.nv-y.nv-axis').call(yAxis); } else { pauseFisheye = false; } chart.update(); }); legend.dispatch.on('stateChange', function(newState) { state = newState; dispatch.stateChange(state); chart.update(); }); scatter.dispatch.on('elementMouseover.tooltip', function(e) { d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-distx-' + e.pointIndex) .attr('y1', e.pos[1] - availableHeight); d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-disty-' + e.pointIndex) .attr('x2', e.pos[0] + distX.size()); e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top]; dispatch.tooltipShow(e); }); 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(); }); //============================================================ //store old scales for use in transitions on update x0 = x.copy(); y0 = y.copy(); }); return chart; } //============================================================ // Event Handling/Dispatching (out of chart's scope) //------------------------------------------------------------ scatter.dispatch.on('elementMouseout.tooltip', function(e) { dispatch.tooltipHide(e); d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-distx-' + e.pointIndex) .attr('y1', 0); d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-disty-' + e.pointIndex) .attr('x2', distY.size()); }); dispatch.on('tooltipHide', function() { if (tooltips) nv.tooltip.cleanup(); }); //============================================================ //============================================================ // Expose Public Variables //------------------------------------------------------------ // expose chart's sub-components chart.dispatch = dispatch; chart.scatter = scatter; chart.legend = legend; chart.controls = controls; chart.xAxis = xAxis; chart.yAxis = yAxis; chart.distX = distX; chart.distY = distY; d3.rebind(chart, scatter, 'id', 'interactive', 'pointActive', 'x', 'y', 'shape', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'xRange', 'yRange', 'sizeDomain', 'sizeRange', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius', 'useVoronoi'); chart.options = nv.utils.optionsFunc.bind(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); distX.color(color); distY.color(color); return chart; }; chart.showDistX = function(_) { if (!arguments.length) return showDistX; showDistX = _; return chart; }; chart.showDistY = function(_) { if (!arguments.length) return showDistY; showDistY = _; return chart; }; chart.showControls = function(_) { if (!arguments.length) return showControls; showControls = _; return chart; }; chart.showLegend = function(_) { if (!arguments.length) return showLegend; showLegend = _; return chart; }; chart.showXAxis = function(_) { if (!arguments.length) return showXAxis; showXAxis = _; return chart; }; chart.showYAxis = function(_) { if (!arguments.length) return showYAxis; showYAxis = _; return chart; }; chart.rightAlignYAxis = function(_) { if(!arguments.length) return rightAlignYAxis; rightAlignYAxis = _; yAxis.orient( (_) ? 'right' : 'left'); return chart; }; chart.fisheye = function(_) { if (!arguments.length) return fisheye; fisheye = _; 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.tooltipXContent = function(_) { if (!arguments.length) return tooltipX; tooltipX = _; return chart; }; chart.tooltipYContent = function(_) { if (!arguments.length) return tooltipY; tooltipY = _; 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; }; chart.transitionDuration = function(_) { if (!arguments.length) return transitionDuration; transitionDuration = _; return chart; }; //============================================================ return chart; }