--- /dev/null
+
+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 '<strong>' + x + '</strong>' }
+ , tooltipY = function(key, x, y) { return '<strong>' + y + '</strong>' }
+ , tooltip = function(key, x, y, date) { return '<h3>' + key + '</h3>'
+ + '<p>' + date + '</p>' }
+ , 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;
+}
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