in mc/Scripts/nv.d3.js [8120:8357]
function chart(selection) {
renderWatch.reset();
renderWatch.models(multibar);
if (showXAxis) renderWatch.models(xAxis);
if (showYAxis) renderWatch.models(yAxis);
selection.each(function(data) {
var container = d3.select(this),
that = this;
nv.utils.initSVG(container);
var availableWidth = nv.utils.availableWidth(width, container, margin),
availableHeight = nv.utils.availableHeight(height, container, margin);
chart.update = function() {
if (duration === 0)
container.call(chart);
else
container.transition()
.duration(duration)
.call(chart);
};
chart.container = this;
state
.setter(stateSetter(data), chart.update)
.getter(stateGetter(data))
.update();
// DEPRECATED set state.disableddisabled
state.disabled = data.map(function(d) { return !!d.disabled });
if (!defaultState) {
var key;
defaultState = {};
for (key in state) {
if (state[key] instanceof Array)
defaultState[key] = state[key].slice(0);
else
defaultState[key] = state[key];
}
}
// Display noData message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
nv.utils.noData(chart, container)
return chart;
} else {
container.selectAll('.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-multiBarWithLegend').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multiBarWithLegend').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 - controlWidth());
g.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = nv.utils.availableHeight(height, container, margin);
}
g.select('.nv-legendWrap')
.attr('transform', 'translate(' + controlWidth() + ',' + (-margin.top) +')');
}
// Controls
if (showControls) {
var controlsData = [
{ key: controlLabels.grouped || 'Grouped', disabled: multibar.stacked() },
{ key: controlLabels.stacked || 'Stacked', disabled: !multibar.stacked() }
];
controls.width(controlWidth()).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 + ')');
if (rightAlignYAxis) {
g.select(".nv-y.nv-axis")
.attr("transform", "translate(" + availableWidth + ",0)");
}
// Main Chart Component(s)
multibar
.disabled(data.map(function(series) { return series.disabled }))
.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 }));
barsWrap.call(multibar);
// Setup Axes
if (showXAxis) {
xAxis
.scale(x)
._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
.tickSize(-availableHeight, 0);
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + y.range()[0] + ')');
g.select('.nv-x.nv-axis')
.call(xAxis);
var xTicks = g.select('.nv-x.nv-axis > g').selectAll('g');
xTicks
.selectAll('line, text')
.style('opacity', 1)
if (staggerLabels) {
var getTranslate = function(x,y) {
return "translate(" + x + "," + y + ")";
};
var staggerUp = 5, staggerDown = 17; //pixels to stagger by
// Issue #140
xTicks
.selectAll("text")
.attr('transform', function(d,i,j) {
return getTranslate(0, (j % 2 == 0 ? staggerUp : staggerDown));
});
var totalInBetweenTicks = d3.selectAll(".nv-x.nv-axis .nv-wrap g g text")[0].length;
g.selectAll(".nv-x.nv-axis .nv-axisMaxMin text")
.attr("transform", function(d,i) {
return getTranslate(0, (i === 0 || totalInBetweenTicks % 2 !== 0) ? staggerDown : staggerUp);
});
}
if (reduceXTicks)
xTicks
.filter(function(d,i) {
return i % Math.ceil(data[0].values.length / (availableWidth / 100)) !== 0;
})
.selectAll('text, line')
.style('opacity', 0);
if(rotateLabels)
xTicks
.selectAll('.tick text')
.attr('transform', 'rotate(' + rotateLabels + ' 0,0)')
.style('text-anchor', rotateLabels > 0 ? 'start' : 'end');
g.select('.nv-x.nv-axis').selectAll('g.nv-axisMaxMin text')
.style('opacity', 1);
}
if (showYAxis) {
yAxis
.scale(y)
._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
.tickSize( -availableWidth, 0);
g.select('.nv-y.nv-axis')
.call(yAxis);
}
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
legend.dispatch.on('stateChange', function(newState) {
for (var key in newState)
state[key] = newState[key];
dispatch.stateChange(state);
chart.update();
});
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':
case controlLabels.grouped:
multibar.stacked(false);
break;
case 'Stacked':
case controlLabels.stacked:
multibar.stacked(true);
break;
}
state.stacked = multibar.stacked();
dispatch.stateChange(state);
chart.update();
});
// Update chart from a state object passed to event handler
dispatch.on('changeState', function(e) {
if (typeof e.disabled !== 'undefined') {
data.forEach(function(series,i) {
series.disabled = e.disabled[i];
});
state.disabled = e.disabled;
}
if (typeof e.stacked !== 'undefined') {
multibar.stacked(e.stacked);
state.stacked = e.stacked;
stacked = e.stacked;
}
chart.update();
});
});
renderWatch.renderEnd('multibarchart immediate');
return chart;
}