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nv.models.scatterChart = function() {
var margin = {top: 30, right: 20, bottom: 50, left: 60},
width = null,
height = null,
color = d3.scale.category20().range(),
showDistX = false,
showDistY = false,
showLegend = true,
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, e, graph) {
return '<h3>' + key + '</h3>' +
'<p>' + y + ' at ' + x + '</p>'
};
var scatter = nv.models.scatter(),
x = scatter.xScale(),
y = scatter.yScale(),
xAxis = nv.models.axis().orient('bottom').scale(x).tickPadding(10),
yAxis = nv.models.axis().orient('left').scale(y).tickPadding(10),
legend = nv.models.legend().height(30),
distX = nv.models.distribution().axis('x').scale(x),
distY = nv.models.distribution().axis('y').scale(y),
dispatch = d3.dispatch('tooltipShow', 'tooltipHide'),
x0, y0; //TODO: abstract distribution component and have old scales stored there
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),
var 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)),
yVal = yAxis.tickFormat()(scatter.y()(e.point)),
contentX = tooltipX(e.series.key, xVal, yVal, e, chart),
contentY = tooltipY(e.series.key, xVal, yVal, e, chart);
//content = tooltip(e.series.key, xVal, yVal, e, chart);
nv.tooltip.show([leftX, topX], contentX, 'n', 1);
nv.tooltip.show([leftY, topY], contentY, 'e', 1);
//nv.tooltip.show([left, top], content, e.value < 0 ? 'n' : 's');
};
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
//TODO: decide if this makes sense to add into all the models for ease of updating (updating without needing the selection)
chart.update = function() { container.transition().call(chart) };
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
x0 = x0 || scatter.xScale();
y0 = y0 || scatter.yScale();
var wrap = container.selectAll('g.wrap.scatterChart').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'wrap nvd3 scatterChart chart-' + scatter.id()).append('g');
gEnter.append('g').attr('class', 'legendWrap');
gEnter.append('g').attr('class', 'x axis');
gEnter.append('g').attr('class', 'y axis');
gEnter.append('g').attr('class', 'scatterWrap');
gEnter.append('g').attr('class', 'distWrap');
var g = wrap.select('g')
if (showLegend) {
legend.width( availableWidth / 2 );
wrap.select('.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('.legendWrap')
.attr('transform', 'translate(' + (availableWidth / 2) + ',' + (-margin.top) +')');
}
scatter
.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 }))
g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
var scatterWrap = wrap.select('.scatterWrap')
.datum(data.filter(function(d) { return !d.disabled }));
d3.transition(scatterWrap).call(scatter);
xAxis
.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
.ticks( availableHeight / 36 )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.y.axis'))
.call(yAxis);
distX
.width(availableWidth)
.color(data.map(function(d,i) {
return d.color || color[i % color.length];
}).filter(function(d,i) { return !data[i].disabled }));
gEnter.select('.distWrap').append('g')
.attr('class', 'distributionX')
.attr('transform', 'translate(0,' + y.range()[0] + ')');
g.select('.distributionX')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distX);
distY
.width(availableHeight)
.color(data.map(function(d,i) {
return d.color || color[i % color.length];
}).filter(function(d,i) { return !data[i].disabled }));
gEnter.select('.distWrap').append('g')
.attr('class', 'distributionY')
.attr('transform', 'translate(-' + distY.size() + ',0)');
g.select('.distributionY')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distY);
legend.dispatch.on('legendClick', function(d,i, that) {
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;
});
}
chart.update();
});
/*
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)
});
*/
scatter.dispatch.on('elementMouseover.tooltip', function(e) {
d3.select('.chart-' + scatter.id() + ' .series-' + e.seriesIndex + ' .distx-' + e.pointIndex)
.attr('y1', e.pos[1] - availableHeight);
d3.select('.chart-' + scatter.id() + ' .series-' + e.seriesIndex + ' .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);
});
if (tooltips) dispatch.on('tooltipShow', function(e) { showTooltip(e, that.parentNode) } ); // TODO: maybe merge with above?
scatter.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
d3.select('.chart-' + scatter.id() + ' .series-' + e.seriesIndex + ' .distx-' + e.pointIndex)
.attr('y1', 0);
d3.select('.chart-' + scatter.id() + ' .series-' + e.seriesIndex + ' .disty-' + e.pointIndex)
.attr('x2', distY.size());
});
if (tooltips) dispatch.on('tooltipHide', nv.tooltip.cleanup);
//store old scales for use in transitions on update, to animate from old to new positions, and sizes
x0 = x.copy();
y0 = y.copy();
});
return chart;
}
chart.dispatch = dispatch;
chart.legend = legend;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
d3.rebind(chart, scatter, 'interactive', 'shape', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius', 'fisheye', 'fisheyeRadius');
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(_);
distX.color(_);
distY.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.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
return chart;
}