+++ /dev/null
-
-nv.models.multiBar = function() {
- "use strict";
- //============================================================
- // Public Variables with Default Settings
- //------------------------------------------------------------
-
- var margin = {top: 0, right: 0, bottom: 0, left: 0}
- , width = 960
- , height = 500
- , x = d3.scale.ordinal()
- , y = d3.scale.linear()
- , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
- , getX = function(d) { return d.x }
- , getY = function(d) { return d.y }
- , forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
- , clipEdge = true
- , stacked = false
- , stackOffset = 'zero' // options include 'silhouette', 'wiggle', 'expand', 'zero', or a custom function
- , color = nv.utils.defaultColor()
- , hideable = false
- , barColor = null // adding the ability to set the color for each rather than the whole group
- , disabled // used in conjunction with barColor to communicate from multiBarHorizontalChart what series are disabled
- , delay = 1200
- , xDomain
- , yDomain
- , xRange
- , yRange
- , groupSpacing = 0.1
- , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
- ;
-
- //============================================================
-
-
- //============================================================
- // Private Variables
- //------------------------------------------------------------
-
- var x0, y0 //used to store previous scales
- ;
-
- //============================================================
-
-
- function chart(selection) {
- selection.each(function(data) {
- var availableWidth = width - margin.left - margin.right,
- availableHeight = height - margin.top - margin.bottom,
- container = d3.select(this);
-
- if(hideable && data.length) hideable = [{
- values: data[0].values.map(function(d) {
- return {
- x: d.x,
- y: 0,
- series: d.series,
- size: 0.01
- };}
- )}];
-
- if (stacked)
- data = d3.layout.stack()
- .offset(stackOffset)
- .values(function(d){ return d.values })
- .y(getY)
- (!data.length && hideable ? hideable : data);
-
-
- //add series index to each data point for reference
- data.forEach(function(series, i) {
- series.values.forEach(function(point) {
- point.series = i;
- });
- });
-
-
- //------------------------------------------------------------
- // HACK for negative value stacking
- if (stacked)
- data[0].values.map(function(d,i) {
- var posBase = 0, negBase = 0;
- data.map(function(d) {
- var f = d.values[i]
- f.size = Math.abs(f.y);
- if (f.y<0) {
- f.y1 = negBase;
- negBase = negBase - f.size;
- } else
- {
- f.y1 = f.size + posBase;
- posBase = posBase + f.size;
- }
- });
- });
-
- //------------------------------------------------------------
- // Setup Scales
-
- // remap and flatten the data for use in calculating the scales' domains
- var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
- data.map(function(d) {
- return d.values.map(function(d,i) {
- return { x: getX(d,i), y: getY(d,i), y0: d.y0, y1: d.y1 }
- })
- });
-
- x .domain(xDomain || d3.merge(seriesData).map(function(d) { return d.x }))
- .rangeBands(xRange || [0, availableWidth], groupSpacing);
-
- //y .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return d.y + (stacked ? d.y1 : 0) }).concat(forceY)))
- y .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return stacked ? (d.y > 0 ? d.y1 : d.y1 + d.y ) : d.y }).concat(forceY)))
- .range(yRange || [availableHeight, 0]);
-
- // If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
- if (x.domain()[0] === x.domain()[1])
- x.domain()[0] ?
- x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
- : x.domain([-1,1]);
-
- if (y.domain()[0] === y.domain()[1])
- y.domain()[0] ?
- y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
- : y.domain([-1,1]);
-
-
- x0 = x0 || x;
- y0 = y0 || y;
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Setup containers and skeleton of chart
-
- var wrap = container.selectAll('g.nv-wrap.nv-multibar').data([data]);
- var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multibar');
- var defsEnter = wrapEnter.append('defs');
- var gEnter = wrapEnter.append('g');
- var g = wrap.select('g')
-
- gEnter.append('g').attr('class', 'nv-groups');
-
- wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
- //------------------------------------------------------------
-
-
-
- defsEnter.append('clipPath')
- .attr('id', 'nv-edge-clip-' + id)
- .append('rect');
- wrap.select('#nv-edge-clip-' + id + ' rect')
- .attr('width', availableWidth)
- .attr('height', availableHeight);
-
- g .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
-
-
-
- var groups = wrap.select('.nv-groups').selectAll('.nv-group')
- .data(function(d) { return d }, function(d,i) { return i });
- groups.enter().append('g')
- .style('stroke-opacity', 1e-6)
- .style('fill-opacity', 1e-6);
- groups.exit()
- .transition()
- .selectAll('rect.nv-bar')
- .delay(function(d,i) {
- return i * delay/ data[0].values.length;
- })
- .attr('y', function(d) { return stacked ? y0(d.y0) : y0(0) })
- .attr('height', 0)
- .remove();
- groups
- .attr('class', function(d,i) { return 'nv-group nv-series-' + i })
- .classed('hover', function(d) { return d.hover })
- .style('fill', function(d,i){ return color(d, i) })
- .style('stroke', function(d,i){ return color(d, i) });
- groups
- .transition()
- .style('stroke-opacity', 1)
- .style('fill-opacity', .75);
-
-
- var bars = groups.selectAll('rect.nv-bar')
- .data(function(d) { return (hideable && !data.length) ? hideable.values : d.values });
-
- bars.exit().remove();
-
-
- var barsEnter = bars.enter().append('rect')
- .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
- .attr('x', function(d,i,j) {
- return stacked ? 0 : (j * x.rangeBand() / data.length )
- })
- .attr('y', function(d) { return y0(stacked ? d.y0 : 0) })
- .attr('height', 0)
- .attr('width', x.rangeBand() / (stacked ? 1 : data.length) )
- .attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',0)'; })
- ;
- bars
- .style('fill', function(d,i,j){ return color(d, j, i); })
- .style('stroke', function(d,i,j){ return color(d, j, i); })
- .on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
- d3.select(this).classed('hover', true);
- dispatch.elementMouseover({
- value: getY(d,i),
- point: d,
- series: data[d.series],
- pos: [x(getX(d,i)) + (x.rangeBand() * (stacked ? data.length / 2 : d.series + .5) / data.length), y(getY(d,i) + (stacked ? d.y0 : 0))], // TODO: Figure out why the value appears to be shifted
- pointIndex: i,
- seriesIndex: d.series,
- e: d3.event
- });
- })
- .on('mouseout', function(d,i) {
- d3.select(this).classed('hover', false);
- dispatch.elementMouseout({
- value: getY(d,i),
- point: d,
- series: data[d.series],
- pointIndex: i,
- seriesIndex: d.series,
- e: d3.event
- });
- })
- .on('click', function(d,i) {
- dispatch.elementClick({
- value: getY(d,i),
- point: d,
- series: data[d.series],
- pos: [x(getX(d,i)) + (x.rangeBand() * (stacked ? data.length / 2 : d.series + .5) / data.length), y(getY(d,i) + (stacked ? d.y0 : 0))], // TODO: Figure out why the value appears to be shifted
- pointIndex: i,
- seriesIndex: d.series,
- e: d3.event
- });
- d3.event.stopPropagation();
- })
- .on('dblclick', function(d,i) {
- dispatch.elementDblClick({
- value: getY(d,i),
- point: d,
- series: data[d.series],
- pos: [x(getX(d,i)) + (x.rangeBand() * (stacked ? data.length / 2 : d.series + .5) / data.length), y(getY(d,i) + (stacked ? d.y0 : 0))], // TODO: Figure out why the value appears to be shifted
- pointIndex: i,
- seriesIndex: d.series,
- e: d3.event
- });
- d3.event.stopPropagation();
- });
- bars
- .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
- .transition()
- .attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',0)'; })
-
- if (barColor) {
- if (!disabled) disabled = data.map(function() { return true });
- bars
- .style('fill', function(d,i,j) { return d3.rgb(barColor(d,i)).darker( disabled.map(function(d,i) { return i }).filter(function(d,i){ return !disabled[i] })[j] ).toString(); })
- .style('stroke', function(d,i,j) { return d3.rgb(barColor(d,i)).darker( disabled.map(function(d,i) { return i }).filter(function(d,i){ return !disabled[i] })[j] ).toString(); });
- }
-
-
- if (stacked)
- bars.transition()
- .delay(function(d,i) {
-
- return i * delay / data[0].values.length;
- })
- .attr('y', function(d,i) {
-
- return y((stacked ? d.y1 : 0));
- })
- .attr('height', function(d,i) {
- return Math.max(Math.abs(y(d.y + (stacked ? d.y0 : 0)) - y((stacked ? d.y0 : 0))),1);
- })
- .attr('x', function(d,i) {
- return stacked ? 0 : (d.series * x.rangeBand() / data.length )
- })
- .attr('width', x.rangeBand() / (stacked ? 1 : data.length) );
- else
- bars.transition()
- .delay(function(d,i) {
- return i * delay/ data[0].values.length;
- })
- .attr('x', function(d,i) {
- return d.series * x.rangeBand() / data.length
- })
- .attr('width', x.rangeBand() / data.length)
- .attr('y', function(d,i) {
- return getY(d,i) < 0 ?
- y(0) :
- y(0) - y(getY(d,i)) < 1 ?
- y(0) - 1 :
- y(getY(d,i)) || 0;
- })
- .attr('height', function(d,i) {
- return Math.max(Math.abs(y(getY(d,i)) - y(0)),1) || 0;
- });
-
-
-
- //store old scales for use in transitions on update
- x0 = x.copy();
- y0 = y.copy();
-
- });
-
- return chart;
- }
-
-
- //============================================================
- // Expose Public Variables
- //------------------------------------------------------------
-
- chart.dispatch = dispatch;
-
- chart.options = nv.utils.optionsFunc.bind(chart);
-
- chart.x = function(_) {
- if (!arguments.length) return getX;
- getX = _;
- return chart;
- };
-
- chart.y = function(_) {
- if (!arguments.length) return getY;
- getY = _;
- 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.xScale = function(_) {
- if (!arguments.length) return x;
- x = _;
- return chart;
- };
-
- chart.yScale = function(_) {
- if (!arguments.length) return y;
- y = _;
- return chart;
- };
-
- chart.xDomain = function(_) {
- if (!arguments.length) return xDomain;
- xDomain = _;
- return chart;
- };
-
- chart.yDomain = function(_) {
- if (!arguments.length) return yDomain;
- yDomain = _;
- return chart;
- };
-
- chart.xRange = function(_) {
- if (!arguments.length) return xRange;
- xRange = _;
- return chart;
- };
-
- chart.yRange = function(_) {
- if (!arguments.length) return yRange;
- yRange = _;
- return chart;
- };
-
- chart.forceY = function(_) {
- if (!arguments.length) return forceY;
- forceY = _;
- return chart;
- };
-
- chart.stacked = function(_) {
- if (!arguments.length) return stacked;
- stacked = _;
- return chart;
- };
-
- chart.stackOffset = function(_) {
- if (!arguments.length) return stackOffset;
- stackOffset = _;
- return chart;
- };
-
- chart.clipEdge = function(_) {
- if (!arguments.length) return clipEdge;
- clipEdge = _;
- return chart;
- };
-
- chart.color = function(_) {
- if (!arguments.length) return color;
- color = nv.utils.getColor(_);
- return chart;
- };
-
- chart.barColor = function(_) {
- if (!arguments.length) return barColor;
- barColor = nv.utils.getColor(_);
- return chart;
- };
-
- chart.disabled = function(_) {
- if (!arguments.length) return disabled;
- disabled = _;
- return chart;
- };
-
- chart.id = function(_) {
- if (!arguments.length) return id;
- id = _;
- return chart;
- };
-
- chart.hideable = function(_) {
- if (!arguments.length) return hideable;
- hideable = _;
- return chart;
- };
-
- chart.delay = function(_) {
- if (!arguments.length) return delay;
- delay = _;
- return chart;
- };
-
- chart.groupSpacing = function(_) {
- if (!arguments.length) return groupSpacing;
- groupSpacing = _;
- return chart;
- };
-
- //============================================================
-
-
- return chart;
-}
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