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nv.models.lineWithLegend = function() {
var margin = {top: 30, right: 20, bottom: 50, left: 60},
color = d3.scale.category20().range(),
width, height;
var lines = nv.models.line(),
//x = d3.scale.linear(),
//y = d3.scale.linear(),
x = lines.xScale(),
y = lines.yScale(),
xAxis = nv.models.axis().scale(x).orient('bottom'),
yAxis = nv.models.axis().scale(y).orient('left'),
legend = nv.models.legend().height(30),
dispatch = d3.dispatch('tooltipShow', 'tooltipHide');
function chart(selection) {
selection.each(function(data) {
var availableWidth = (width || parseInt(d3.select(this).style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(d3.select(this).style('height')) || 400)
- margin.top - margin.bottom;
lines
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color[i % 10];
}).filter(function(d,i) { return !data[i].disabled }));
var wrap = d3.select(this).selectAll('g.wrap.lineWithLegend').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'wrap nvd3 lineWithLegend').append('g');
gEnter.append('g').attr('class', 'x axis');
gEnter.append('g').attr('class', 'y axis');
gEnter.append('g').attr('class', 'linesWrap');
gEnter.append('g').attr('class', 'legendWrap');
//TODO: margins should be adjusted based on what components are used: axes, axis labels, legend
margin.top = legend.height();
var g = wrap.select('g')
.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
legend.width(availableWidth / 2);
g.select('.legendWrap')
.datum(data)
.attr('transform', 'translate(' + (availableWidth / 2) + ',' + (-margin.top) +')')
.call(legend);
var linesWrap = g.select('.linesWrap')
.datum(data.filter(function(d) { return !d.disabled }))
d3.transition(linesWrap).call(lines);
xAxis
.domain(x.domain())
.range(x.range())
.ticks( availableWidth / 100 )
.tickSize(-availableHeight, 0);
g.select('.x.axis')
.attr('transform', 'translate(0,' + y.range()[0] + ')');
d3.transition(g.select('.x.axis'))
.call(xAxis);
yAxis
.domain(y.domain())
.range(y.range())
.ticks( availableHeight / 36 )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.y.axis'))
.call(yAxis);
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('.series').classed('disabled', false);
return d;
});
}
selection.transition().call(chart);
});
/*
//
legend.dispatch.on('legendMouseover', function(d, i) {
d.hover = true;
selection.transition().call(chart)
});
legend.dispatch.on('legendMouseout', function(d, i) {
d.hover = false;
selection.transition().call(chart)
});
*/
lines.dispatch.on('elementMouseover.tooltip', function(e) {
dispatch.tooltipShow({
point: e.point,
series: e.series,
pos: [e.pos[0] + margin.left, e.pos[1] + margin.top],
seriesIndex: e.seriesIndex,
pointIndex: e.pointIndex
});
});
lines.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
});
// If the legend changed the margin's height, need to recalc positions... should think of a better way to prevent duplicate work
if (margin.top != legend.height())
chart(selection);
return chart;
}
chart.dispatch = dispatch;
chart.legend = legend;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
d3.rebind(chart, lines, 'x', 'y', 'size', 'xDomain', 'yDomain', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'id');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin = _;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
//width = d3.functor(_);
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
//height = d3.functor(_);
return chart;
};
return chart;
}