| nv.models.multiChart = function() { |
| "use strict"; |
| //============================================================ |
| // Public Variables with Default Settings |
| //------------------------------------------------------------ |
| |
| var margin = {top: 30, right: 20, bottom: 50, left: 60}, |
| color = d3.scale.category20().range(), |
| width = null, |
| height = null, |
| showLegend = true, |
| tooltips = true, |
| tooltip = function(key, x, y, e, graph) { |
| return '<h3>' + key + '</h3>' + |
| '<p>' + y + ' at ' + x + '</p>' |
| }, |
| x, |
| y, |
| yDomain1, |
| yDomain2 |
| ; //can be accessed via chart.lines.[x/y]Scale() |
| |
| //============================================================ |
| // Private Variables |
| //------------------------------------------------------------ |
| |
| var x = d3.scale.linear(), |
| yScale1 = d3.scale.linear(), |
| yScale2 = d3.scale.linear(), |
| |
| lines1 = nv.models.line().yScale(yScale1), |
| lines2 = nv.models.line().yScale(yScale2), |
| |
| bars1 = nv.models.multiBar().stacked(false).yScale(yScale1), |
| bars2 = nv.models.multiBar().stacked(false).yScale(yScale2), |
| |
| stack1 = nv.models.stackedArea().yScale(yScale1), |
| stack2 = nv.models.stackedArea().yScale(yScale2), |
| |
| xAxis = nv.models.axis().scale(x).orient('bottom').tickPadding(5), |
| yAxis1 = nv.models.axis().scale(yScale1).orient('left'), |
| yAxis2 = nv.models.axis().scale(yScale2).orient('right'), |
| |
| legend = nv.models.legend().height(30), |
| dispatch = d3.dispatch('tooltipShow', 'tooltipHide'); |
| |
| var showTooltip = function(e, offsetElement) { |
| var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ), |
| top = e.pos[1] + ( offsetElement.offsetTop || 0), |
| x = xAxis.tickFormat()(lines1.x()(e.point, e.pointIndex)), |
| y = ((e.series.yAxis == 2) ? yAxis2 : yAxis1).tickFormat()(lines1.y()(e.point, e.pointIndex)), |
| content = tooltip(e.series.key, x, y, e, chart); |
| |
| nv.tooltip.show([left, top], content, undefined, undefined, offsetElement.offsetParent); |
| }; |
| |
| function chart(selection) { |
| selection.each(function(data) { |
| var container = d3.select(this), |
| that = this; |
| |
| chart.update = function() { container.transition().call(chart); }; |
| chart.container = this; |
| |
| var availableWidth = (width || parseInt(container.style('width')) || 960) |
| - margin.left - margin.right, |
| availableHeight = (height || parseInt(container.style('height')) || 400) |
| - margin.top - margin.bottom; |
| |
| var dataLines1 = data.filter(function(d) {return !d.disabled && d.type == 'line' && d.yAxis == 1}) |
| var dataLines2 = data.filter(function(d) {return !d.disabled && d.type == 'line' && d.yAxis == 2}) |
| var dataBars1 = data.filter(function(d) {return !d.disabled && d.type == 'bar' && d.yAxis == 1}) |
| var dataBars2 = data.filter(function(d) {return !d.disabled && d.type == 'bar' && d.yAxis == 2}) |
| var dataStack1 = data.filter(function(d) {return !d.disabled && d.type == 'area' && d.yAxis == 1}) |
| var dataStack2 = data.filter(function(d) {return !d.disabled && d.type == 'area' && d.yAxis == 2}) |
| |
| var series1 = data.filter(function(d) {return !d.disabled && d.yAxis == 1}) |
| .map(function(d) { |
| return d.values.map(function(d,i) { |
| return { x: d.x, y: d.y } |
| }) |
| }) |
| |
| var series2 = data.filter(function(d) {return !d.disabled && d.yAxis == 2}) |
| .map(function(d) { |
| return d.values.map(function(d,i) { |
| return { x: d.x, y: d.y } |
| }) |
| }) |
| |
| x .domain(d3.extent(d3.merge(series1.concat(series2)), function(d) { return d.x } )) |
| .range([0, availableWidth]); |
| |
| var wrap = container.selectAll('g.wrap.multiChart').data([data]); |
| var gEnter = wrap.enter().append('g').attr('class', 'wrap nvd3 multiChart').append('g'); |
| |
| gEnter.append('g').attr('class', 'x axis'); |
| gEnter.append('g').attr('class', 'y1 axis'); |
| gEnter.append('g').attr('class', 'y2 axis'); |
| gEnter.append('g').attr('class', 'lines1Wrap'); |
| gEnter.append('g').attr('class', 'lines2Wrap'); |
| gEnter.append('g').attr('class', 'bars1Wrap'); |
| gEnter.append('g').attr('class', 'bars2Wrap'); |
| gEnter.append('g').attr('class', 'stack1Wrap'); |
| gEnter.append('g').attr('class', 'stack2Wrap'); |
| gEnter.append('g').attr('class', 'legendWrap'); |
| |
| var g = wrap.select('g'); |
| |
| if (showLegend) { |
| legend.width( availableWidth / 2 ); |
| |
| g.select('.legendWrap') |
| .datum(data.map(function(series) { |
| series.originalKey = series.originalKey === undefined ? series.key : series.originalKey; |
| series.key = series.originalKey + (series.yAxis == 1 ? '' : ' (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('.legendWrap') |
| .attr('transform', 'translate(' + ( availableWidth / 2 ) + ',' + (-margin.top) +')'); |
| } |
| |
| |
| lines1 |
| .width(availableWidth) |
| .height(availableHeight) |
| .interpolate("monotone") |
| .color(data.map(function(d,i) { |
| return d.color || color[i % color.length]; |
| }).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'line'})); |
| |
| lines2 |
| .width(availableWidth) |
| .height(availableHeight) |
| .interpolate("monotone") |
| .color(data.map(function(d,i) { |
| return d.color || color[i % color.length]; |
| }).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'line'})); |
| |
| bars1 |
| .width(availableWidth) |
| .height(availableHeight) |
| .color(data.map(function(d,i) { |
| return d.color || color[i % color.length]; |
| }).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'bar'})); |
| |
| bars2 |
| .width(availableWidth) |
| .height(availableHeight) |
| .color(data.map(function(d,i) { |
| return d.color || color[i % color.length]; |
| }).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'bar'})); |
| |
| stack1 |
| .width(availableWidth) |
| .height(availableHeight) |
| .color(data.map(function(d,i) { |
| return d.color || color[i % color.length]; |
| }).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'area'})); |
| |
| stack2 |
| .width(availableWidth) |
| .height(availableHeight) |
| .color(data.map(function(d,i) { |
| return d.color || color[i % color.length]; |
| }).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'area'})); |
| |
| g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')'); |
| |
| |
| var lines1Wrap = g.select('.lines1Wrap') |
| .datum(dataLines1) |
| var bars1Wrap = g.select('.bars1Wrap') |
| .datum(dataBars1) |
| var stack1Wrap = g.select('.stack1Wrap') |
| .datum(dataStack1) |
| |
| var lines2Wrap = g.select('.lines2Wrap') |
| .datum(dataLines2) |
| var bars2Wrap = g.select('.bars2Wrap') |
| .datum(dataBars2) |
| var stack2Wrap = g.select('.stack2Wrap') |
| .datum(dataStack2) |
| |
| var extraValue1 = dataStack1.length ? dataStack1.map(function(a){return a.values}).reduce(function(a,b){ |
| return a.map(function(aVal,i){return {x: aVal.x, y: aVal.y + b[i].y}}) |
| }).concat([{x:0, y:0}]) : [] |
| var extraValue2 = dataStack2.length ? dataStack2.map(function(a){return a.values}).reduce(function(a,b){ |
| return a.map(function(aVal,i){return {x: aVal.x, y: aVal.y + b[i].y}}) |
| }).concat([{x:0, y:0}]) : [] |
| |
| yScale1 .domain(yDomain1 || d3.extent(d3.merge(series1).concat(extraValue1), function(d) { return d.y } )) |
| .range([0, availableHeight]) |
| |
| yScale2 .domain(yDomain2 || d3.extent(d3.merge(series2).concat(extraValue2), function(d) { return d.y } )) |
| .range([0, availableHeight]) |
| |
| lines1.yDomain(yScale1.domain()) |
| bars1.yDomain(yScale1.domain()) |
| stack1.yDomain(yScale1.domain()) |
| |
| lines2.yDomain(yScale2.domain()) |
| bars2.yDomain(yScale2.domain()) |
| stack2.yDomain(yScale2.domain()) |
| |
| if(dataStack1.length){d3.transition(stack1Wrap).call(stack1);} |
| if(dataStack2.length){d3.transition(stack2Wrap).call(stack2);} |
| |
| if(dataBars1.length){d3.transition(bars1Wrap).call(bars1);} |
| if(dataBars2.length){d3.transition(bars2Wrap).call(bars2);} |
| |
| if(dataLines1.length){d3.transition(lines1Wrap).call(lines1);} |
| if(dataLines2.length){d3.transition(lines2Wrap).call(lines2);} |
| |
| |
| |
| xAxis |
| .ticks( availableWidth / 100 ) |
| .tickSize(-availableHeight, 0); |
| |
| g.select('.x.axis') |
| .attr('transform', 'translate(0,' + availableHeight + ')'); |
| d3.transition(g.select('.x.axis')) |
| .call(xAxis); |
| |
| yAxis1 |
| .ticks( availableHeight / 36 ) |
| .tickSize( -availableWidth, 0); |
| |
| |
| d3.transition(g.select('.y1.axis')) |
| .call(yAxis1); |
| |
| yAxis2 |
| .ticks( availableHeight / 36 ) |
| .tickSize( -availableWidth, 0); |
| |
| d3.transition(g.select('.y2.axis')) |
| .call(yAxis2); |
| |
| g.select('.y2.axis') |
| .style('opacity', series2.length ? 1 : 0) |
| .attr('transform', 'translate(' + x.range()[1] + ',0)'); |
| |
| legend.dispatch.on('stateChange', function(newState) { |
| chart.update(); |
| }); |
| |
| dispatch.on('tooltipShow', function(e) { |
| if (tooltips) showTooltip(e, that.parentNode); |
| }); |
| |
| }); |
| |
| return chart; |
| } |
| |
| |
| //============================================================ |
| // Event Handling/Dispatching (out of chart's scope) |
| //------------------------------------------------------------ |
| |
| lines1.dispatch.on('elementMouseover.tooltip', function(e) { |
| e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top]; |
| dispatch.tooltipShow(e); |
| }); |
| |
| lines1.dispatch.on('elementMouseout.tooltip', function(e) { |
| dispatch.tooltipHide(e); |
| }); |
| |
| lines2.dispatch.on('elementMouseover.tooltip', function(e) { |
| e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top]; |
| dispatch.tooltipShow(e); |
| }); |
| |
| lines2.dispatch.on('elementMouseout.tooltip', function(e) { |
| dispatch.tooltipHide(e); |
| }); |
| |
| bars1.dispatch.on('elementMouseover.tooltip', function(e) { |
| e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top]; |
| dispatch.tooltipShow(e); |
| }); |
| |
| bars1.dispatch.on('elementMouseout.tooltip', function(e) { |
| dispatch.tooltipHide(e); |
| }); |
| |
| bars2.dispatch.on('elementMouseover.tooltip', function(e) { |
| e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top]; |
| dispatch.tooltipShow(e); |
| }); |
| |
| bars2.dispatch.on('elementMouseout.tooltip', function(e) { |
| dispatch.tooltipHide(e); |
| }); |
| |
| stack1.dispatch.on('tooltipShow', function(e) { |
| //disable tooltips when value ~= 0 |
| //// TODO: consider removing points from voronoi that have 0 value instead of this hack |
| if (!Math.round(stack1.y()(e.point) * 100)) { // 100 will not be good for very small numbers... will have to think about making this valu dynamic, based on data range |
| setTimeout(function() { d3.selectAll('.point.hover').classed('hover', false) }, 0); |
| return false; |
| } |
| |
| e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top], |
| dispatch.tooltipShow(e); |
| }); |
| |
| stack1.dispatch.on('tooltipHide', function(e) { |
| dispatch.tooltipHide(e); |
| }); |
| |
| stack2.dispatch.on('tooltipShow', function(e) { |
| //disable tooltips when value ~= 0 |
| //// TODO: consider removing points from voronoi that have 0 value instead of this hack |
| if (!Math.round(stack2.y()(e.point) * 100)) { // 100 will not be good for very small numbers... will have to think about making this valu dynamic, based on data range |
| setTimeout(function() { d3.selectAll('.point.hover').classed('hover', false) }, 0); |
| return false; |
| } |
| |
| e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top], |
| dispatch.tooltipShow(e); |
| }); |
| |
| stack2.dispatch.on('tooltipHide', function(e) { |
| dispatch.tooltipHide(e); |
| }); |
| |
| lines1.dispatch.on('elementMouseover.tooltip', function(e) { |
| e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top]; |
| dispatch.tooltipShow(e); |
| }); |
| |
| lines1.dispatch.on('elementMouseout.tooltip', function(e) { |
| dispatch.tooltipHide(e); |
| }); |
| |
| lines2.dispatch.on('elementMouseover.tooltip', function(e) { |
| e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top]; |
| dispatch.tooltipShow(e); |
| }); |
| |
| lines2.dispatch.on('elementMouseout.tooltip', function(e) { |
| dispatch.tooltipHide(e); |
| }); |
| |
| dispatch.on('tooltipHide', function() { |
| if (tooltips) nv.tooltip.cleanup(); |
| }); |
| |
| |
| |
| //============================================================ |
| // Global getters and setters |
| //------------------------------------------------------------ |
| |
| chart.dispatch = dispatch; |
| chart.lines1 = lines1; |
| chart.lines2 = lines2; |
| chart.bars1 = bars1; |
| chart.bars2 = bars2; |
| chart.stack1 = stack1; |
| chart.stack2 = stack2; |
| chart.xAxis = xAxis; |
| chart.yAxis1 = yAxis1; |
| chart.yAxis2 = yAxis2; |
| chart.options = nv.utils.optionsFunc.bind(chart); |
| |
| chart.x = function(_) { |
| if (!arguments.length) return getX; |
| getX = _; |
| lines1.x(_); |
| bars1.x(_); |
| return chart; |
| }; |
| |
| chart.y = function(_) { |
| if (!arguments.length) return getY; |
| getY = _; |
| lines1.y(_); |
| bars1.y(_); |
| return chart; |
| }; |
| |
| chart.yDomain1 = function(_) { |
| if (!arguments.length) return yDomain1; |
| yDomain1 = _; |
| return chart; |
| }; |
| |
| chart.yDomain2 = function(_) { |
| if (!arguments.length) return yDomain2; |
| yDomain2 = _; |
| 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.color = function(_) { |
| if (!arguments.length) return color; |
| color = _; |
| legend.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; |
| }; |
| |
| return chart; |
| } |
| |
