nv.models.multiBarHorizontalChart = function() { //============================================================ // Public Variables with Default Settings //------------------------------------------------------------ var multibar = nv.models.multiBarHorizontal() , xAxis = nv.models.axis() , yAxis = nv.models.axis() , legend = nv.models.legend().height(30) , controls = nv.models.legend().height(30) ; var margin = {top: 30, right: 20, bottom: 50, left: 60} , width = null , height = null , color = nv.utils.defaultColor() , showControls = true , showLegend = true , stacked = false , tooltips = true , tooltip = function(key, x, y, e, graph) { return '
' + y + '
' } , x //can be accessed via chart.xScale() , y //can be accessed via chart.yScale() , noData = 'No Data Available.' , dispatch = d3.dispatch('tooltipShow', 'tooltipHide') ; multibar .stacked(stacked) ; xAxis .orient('left') .tickPadding(5) .highlightZero(false) .showMaxMin(false) .tickFormat(function(d) { return d }) ; yAxis .orient('bottom') .tickFormat(d3.format(',.1f')) ; //============================================================ //============================================================ // 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()(multibar.x()(e.point, e.pointIndex)), y = yAxis.tickFormat()(multibar.y()(e.point, e.pointIndex)), content = tooltip(e.series.key, x, y, e, chart); nv.tooltip.show([left, top], content, e.value < 0 ? 'e' : 'w', 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; //------------------------------------------------------------ // Display No Data message if there's nothing to show. if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) { container.append('text') .attr('class', 'nvd3 nv-noData') .attr('x', availableWidth / 2) .attr('y', availableHeight / 2) .attr('dy', '-.7em') .style('text-anchor', 'middle') .text(noData); return chart; } else { container.select('.nv-noData').remove(); } //------------------------------------------------------------ //------------------------------------------------------------ // Setup Scales x = multibar.xScale(); y = multibar.yScale(); //------------------------------------------------------------ //------------------------------------------------------------ // Setup containers and skeleton of chart var wrap = container.selectAll('g.nv-wrap.nv-multiBarHorizontalChart').data([data]); var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multiBarHorizontalChart').append('g'); var g = wrap.select('g'); gEnter.append('g').attr('class', 'nv-x nv-axis'); gEnter.append('g').attr('class', 'nv-y nv-axis'); gEnter.append('g').attr('class', 'nv-barsWrap'); gEnter.append('g').attr('class', 'nv-legendWrap'); gEnter.append('g').attr('class', 'nv-controlsWrap'); //------------------------------------------------------------ //------------------------------------------------------------ // Legend if (showLegend) { legend.width(availableWidth / 2); g.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; } g.select('.nv-legendWrap') .attr('transform', 'translate(' + (availableWidth / 2) + ',' + (-margin.top) +')'); } //------------------------------------------------------------ //------------------------------------------------------------ // Controls if (showControls) { var controlsData = [ { key: 'Grouped', disabled: multibar.stacked() }, { key: 'Stacked', disabled: !multibar.stacked() } ]; controls.width(180).color(['#444', '#444', '#444']); g.select('.nv-controlsWrap') .datum(controlsData) .attr('transform', 'translate(0,' + (-margin.top) +')') .call(controls); } //------------------------------------------------------------ wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')'); //------------------------------------------------------------ // Main Chart Component(s) multibar .width(availableWidth) .height(availableHeight) .color(data.map(function(d,i) { return d.color || color(d, i); }).filter(function(d,i) { return !data[i].disabled })) var barsWrap = g.select('.nv-barsWrap') .datum(data.filter(function(d) { return !d.disabled })) d3.transition(barsWrap).call(multibar); //------------------------------------------------------------ //------------------------------------------------------------ // Setup Axes xAxis .scale(x) .ticks( availableHeight / 24 ) .tickSize(-availableWidth, 0); d3.transition(g.select('.nv-x.nv-axis')) .call(xAxis); var xTicks = g.select('.nv-x.nv-axis').selectAll('g'); xTicks .selectAll('line, text') .style('opacity', 1) yAxis .scale(y) .ticks( availableWidth / 100 ) .tickSize( -availableHeight, 0); g.select('.nv-y.nv-axis') .attr('transform', 'translate(0,' + availableHeight + ')'); d3.transition(g.select('.nv-y.nv-axis')) .call(yAxis); //------------------------------------------------------------ //============================================================ // Event Handling/Dispatching (in chart's scope) //------------------------------------------------------------ legend.dispatch.on('legendClick', function(d,i) { d.disabled = !d.disabled; if (!data.filter(function(d) { return !d.disabled }).length) { data.map(function(d) { d.disabled = false; wrap.selectAll('.nv-series').classed('disabled', false); return d; }); } selection.transition().call(chart); }); controls.dispatch.on('legendClick', function(d,i) { if (!d.disabled) return; controlsData = controlsData.map(function(s) { s.disabled = true; return s; }); d.disabled = false; switch (d.key) { case 'Grouped': multibar.stacked(false); break; case 'Stacked': multibar.stacked(true); break; } selection.transition().call(chart); }); dispatch.on('tooltipShow', function(e) { if (tooltips) showTooltip(e, that.parentNode); }); //============================================================ chart.update = function() { selection.transition().call(chart) }; chart.container = this; }); return chart; } //============================================================ // Event Handling/Dispatching (out of chart's scope) //------------------------------------------------------------ multibar.dispatch.on('elementMouseover.tooltip', function(e) { e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top]; dispatch.tooltipShow(e); }); multibar.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.multibar = multibar; chart.legend = legend; chart.xAxis = xAxis; chart.yAxis = yAxis; d3.rebind(chart, multibar, 'x', 'y', 'xDomain', 'yDomain', 'forceX', 'forceY', 'clipEdge', 'id', 'delay', 'showValues', 'valueFormat', 'stacked'); 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 = nv.utils.getColor(_); legend.color(color); 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.tooltip = function(_) { if (!arguments.length) return tooltip; tooltip = _; 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.noData = function(_) { if (!arguments.length) return noData; noData = _; return chart; }; //============================================================ return chart; }