in mc/Scripts/nv.d3.js [7063:7604]
nv.models.lineWithFocusChart = function() {
"use strict";
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var lines = nv.models.line()
, lines2 = nv.models.line()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
, x2Axis = nv.models.axis()
, y2Axis = nv.models.axis()
, legend = nv.models.legend()
, brush = d3.svg.brush()
, tooltip = nv.models.tooltip()
, interactiveLayer = nv.interactiveGuideline()
;
var margin = {top: 30, right: 30, bottom: 30, left: 60}
, margin2 = {top: 0, right: 30, bottom: 20, left: 60}
, color = nv.utils.defaultColor()
, width = null
, height = null
, height2 = 50
, useInteractiveGuideline = false
, x
, y
, x2
, y2
, showLegend = true
, brushExtent = null
, noData = null
, dispatch = d3.dispatch('brush', 'stateChange', 'changeState')
, transitionDuration = 250
, state = nv.utils.state()
, defaultState = null
;
lines.clipEdge(true).duration(0);
lines2.interactive(false);
xAxis.orient('bottom').tickPadding(5);
yAxis.orient('left');
x2Axis.orient('bottom').tickPadding(5);
y2Axis.orient('left');
tooltip.valueFormatter(function(d, i) {
return yAxis.tickFormat()(d, i);
}).headerFormatter(function(d, i) {
return xAxis.tickFormat()(d, i);
});
//============================================================
// Private Variables
//------------------------------------------------------------
var stateGetter = function(data) {
return function(){
return {
active: data.map(function(d) { return !d.disabled })
};
}
};
var stateSetter = function(data) {
return function(state) {
if (state.active !== undefined)
data.forEach(function(series,i) {
series.disabled = !state.active[i];
});
}
};
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
nv.utils.initSVG(container);
var availableWidth = nv.utils.availableWidth(width, container, margin),
availableHeight1 = nv.utils.availableHeight(height, container, margin) - height2,
availableHeight2 = height2 - margin2.top - margin2.bottom;
chart.update = function() { container.transition().duration(transitionDuration).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 No Data 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 = lines.xScale();
y = lines.yScale();
x2 = lines2.xScale();
y2 = lines2.yScale();
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-lineWithFocusChart').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-lineWithFocusChart').append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-legendWrap');
var focusEnter = gEnter.append('g').attr('class', 'nv-focus');
focusEnter.append('g').attr('class', 'nv-x nv-axis');
focusEnter.append('g').attr('class', 'nv-y nv-axis');
focusEnter.append('g').attr('class', 'nv-linesWrap');
focusEnter.append('g').attr('class', 'nv-interactive');
var contextEnter = gEnter.append('g').attr('class', 'nv-context');
contextEnter.append('g').attr('class', 'nv-x nv-axis');
contextEnter.append('g').attr('class', 'nv-y nv-axis');
contextEnter.append('g').attr('class', 'nv-linesWrap');
contextEnter.append('g').attr('class', 'nv-brushBackground');
contextEnter.append('g').attr('class', 'nv-x nv-brush');
// Legend
if (showLegend) {
legend.width(availableWidth);
g.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight1 = nv.utils.availableHeight(height, container, margin) - height2;
}
g.select('.nv-legendWrap')
.attr('transform', 'translate(0,' + (-margin.top) +')')
}
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//Set up interactive layer
if (useInteractiveGuideline) {
interactiveLayer
.width(availableWidth)
.height(availableHeight1)
.margin({left:margin.left, top:margin.top})
.svgContainer(container)
.xScale(x);
wrap.select(".nv-interactive").call(interactiveLayer);
}
// Main Chart Component(s)
lines
.width(availableWidth)
.height(availableHeight1)
.color(
data
.map(function(d,i) {
return d.color || color(d, i);
})
.filter(function(d,i) {
return !data[i].disabled;
})
);
lines2
.defined(lines.defined())
.width(availableWidth)
.height(availableHeight2)
.color(
data
.map(function(d,i) {
return d.color || color(d, i);
})
.filter(function(d,i) {
return !data[i].disabled;
})
);
g.select('.nv-context')
.attr('transform', 'translate(0,' + ( availableHeight1 + margin.bottom + margin2.top) + ')')
var contextLinesWrap = g.select('.nv-context .nv-linesWrap')
.datum(data.filter(function(d) { return !d.disabled }))
d3.transition(contextLinesWrap).call(lines2);
// Setup Main (Focus) Axes
xAxis
.scale(x)
._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
.tickSize(-availableHeight1, 0);
yAxis
.scale(y)
._ticks( nv.utils.calcTicksY(availableHeight1/36, data) )
.tickSize( -availableWidth, 0);
g.select('.nv-focus .nv-x.nv-axis')
.attr('transform', 'translate(0,' + availableHeight1 + ')');
// Setup Brush
brush
.x(x2)
.on('brush', function() {
onBrush();
});
if (brushExtent) brush.extent(brushExtent);
var brushBG = g.select('.nv-brushBackground').selectAll('g')
.data([brushExtent || brush.extent()])
var brushBGenter = brushBG.enter()
.append('g');
brushBGenter.append('rect')
.attr('class', 'left')
.attr('x', 0)
.attr('y', 0)
.attr('height', availableHeight2);
brushBGenter.append('rect')
.attr('class', 'right')
.attr('x', 0)
.attr('y', 0)
.attr('height', availableHeight2);
var gBrush = g.select('.nv-x.nv-brush')
.call(brush);
gBrush.selectAll('rect')
.attr('height', availableHeight2);
gBrush.selectAll('.resize').append('path').attr('d', resizePath);
onBrush();
// Setup Secondary (Context) Axes
x2Axis
.scale(x2)
._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
.tickSize(-availableHeight2, 0);
g.select('.nv-context .nv-x.nv-axis')
.attr('transform', 'translate(0,' + y2.range()[0] + ')');
d3.transition(g.select('.nv-context .nv-x.nv-axis'))
.call(x2Axis);
y2Axis
.scale(y2)
._ticks( nv.utils.calcTicksY(availableHeight2/36, data) )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.nv-context .nv-y.nv-axis'))
.call(y2Axis);
g.select('.nv-context .nv-x.nv-axis')
.attr('transform', 'translate(0,' + y2.range()[0] + ')');
//============================================================
// 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();
});
interactiveLayer.dispatch.on('elementMousemove', function(e) {
lines.clearHighlights();
var singlePoint, pointIndex, pointXLocation, allData = [];
data
.filter(function(series, i) {
series.seriesIndex = i;
return !series.disabled;
})
.forEach(function(series,i) {
var extent = brush.empty() ? x2.domain() : brush.extent();
var currentValues = series.values.filter(function(d,i) {
return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
});
pointIndex = nv.interactiveBisect(currentValues, e.pointXValue, lines.x());
var point = currentValues[pointIndex];
var pointYValue = chart.y()(point, pointIndex);
if (pointYValue != null) {
lines.highlightPoint(i, pointIndex, true);
}
if (point === undefined) return;
if (singlePoint === undefined) singlePoint = point;
if (pointXLocation === undefined) pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
allData.push({
key: series.key,
value: chart.y()(point, pointIndex),
color: color(series,series.seriesIndex)
});
});
//Highlight the tooltip entry based on which point the mouse is closest to.
if (allData.length > 2) {
var yValue = chart.yScale().invert(e.mouseY);
var domainExtent = Math.abs(chart.yScale().domain()[0] - chart.yScale().domain()[1]);
var threshold = 0.03 * domainExtent;
var indexToHighlight = nv.nearestValueIndex(allData.map(function(d){return d.value}),yValue,threshold);
if (indexToHighlight !== null)
allData[indexToHighlight].highlight = true;
}
var xValue = xAxis.tickFormat()(chart.x()(singlePoint,pointIndex));
interactiveLayer.tooltip
.position({left: e.mouseX + margin.left, top: e.mouseY + margin.top})
.chartContainer(that.parentNode)
.valueFormatter(function(d,i) {
return d == null ? "N/A" : yAxis.tickFormat()(d);
})
.data({
value: xValue,
index: pointIndex,
series: allData
})();
interactiveLayer.renderGuideLine(pointXLocation);
});
interactiveLayer.dispatch.on("elementMouseout",function(e) {
lines.clearHighlights();
});
dispatch.on('changeState', function(e) {
if (typeof e.disabled !== 'undefined') {
data.forEach(function(series,i) {
series.disabled = e.disabled[i];
});
}
chart.update();
});
//============================================================
// Functions
//------------------------------------------------------------
// Taken from crossfilter (http://square.github.com/crossfilter/)
function resizePath(d) {
var e = +(d == 'e'),
x = e ? 1 : -1,
y = availableHeight2 / 3;
return 'M' + (.5 * x) + ',' + y
+ 'A6,6 0 0 ' + e + ' ' + (6.5 * x) + ',' + (y + 6)
+ 'V' + (2 * y - 6)
+ 'A6,6 0 0 ' + e + ' ' + (.5 * x) + ',' + (2 * y)
+ 'Z'
+ 'M' + (2.5 * x) + ',' + (y + 8)
+ 'V' + (2 * y - 8)
+ 'M' + (4.5 * x) + ',' + (y + 8)
+ 'V' + (2 * y - 8);
}
function updateBrushBG() {
if (!brush.empty()) brush.extent(brushExtent);
brushBG
.data([brush.empty() ? x2.domain() : brushExtent])
.each(function(d,i) {
var leftWidth = x2(d[0]) - x.range()[0],
rightWidth = availableWidth - x2(d[1]);
d3.select(this).select('.left')
.attr('width', leftWidth < 0 ? 0 : leftWidth);
d3.select(this).select('.right')
.attr('x', x2(d[1]))
.attr('width', rightWidth < 0 ? 0 : rightWidth);
});
}
function onBrush() {
brushExtent = brush.empty() ? null : brush.extent();
var extent = brush.empty() ? x2.domain() : brush.extent();
//The brush extent cannot be less than one. If it is, don't update the line chart.
if (Math.abs(extent[0] - extent[1]) <= 1) {
return;
}
dispatch.brush({extent: extent, brush: brush});
updateBrushBG();
// Update Main (Focus)
var focusLinesWrap = g.select('.nv-focus .nv-linesWrap')
.datum(
data
.filter(function(d) { return !d.disabled })
.map(function(d,i) {
return {
key: d.key,
area: d.area,
values: d.values.filter(function(d,i) {
return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
})
}
})
);
focusLinesWrap.transition().duration(transitionDuration).call(lines);
// Update Main (Focus) Axes
g.select('.nv-focus .nv-x.nv-axis').transition().duration(transitionDuration)
.call(xAxis);
g.select('.nv-focus .nv-y.nv-axis').transition().duration(transitionDuration)
.call(yAxis);
}
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
lines.dispatch.on('elementMouseover.tooltip', function(evt) {
tooltip.data(evt).position(evt.pos).hidden(false);
});
lines.dispatch.on('elementMouseout.tooltip', function(evt) {
tooltip.hidden(true)
});
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.legend = legend;
chart.lines = lines;
chart.lines2 = lines2;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
chart.x2Axis = x2Axis;
chart.y2Axis = y2Axis;
chart.interactiveLayer = interactiveLayer;
chart.tooltip = tooltip;
chart.options = nv.utils.optionsFunc.bind(chart);
chart._options = Object.create({}, {
// simple options, just get/set the necessary values
width: {get: function(){return width;}, set: function(_){width=_;}},
height: {get: function(){return height;}, set: function(_){height=_;}},
focusHeight: {get: function(){return height2;}, set: function(_){height2=_;}},
showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
brushExtent: {get: function(){return brushExtent;}, set: function(_){brushExtent=_;}},
defaultState: {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
noData: {get: function(){return noData;}, set: function(_){noData=_;}},
// deprecated options
tooltips: {get: function(){return tooltip.enabled();}, set: function(_){
// deprecated after 1.7.1
nv.deprecated('tooltips', 'use chart.tooltip.enabled() instead');
tooltip.enabled(!!_);
}},
tooltipContent: {get: function(){return tooltip.contentGenerator();}, set: function(_){
// deprecated after 1.7.1
nv.deprecated('tooltipContent', 'use chart.tooltip.contentGenerator() instead');
tooltip.contentGenerator(_);
}},
// options that require extra logic in the setter
margin: {get: function(){return margin;}, set: function(_){
margin.top = _.top !== undefined ? _.top : margin.top;
margin.right = _.right !== undefined ? _.right : margin.right;
margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
margin.left = _.left !== undefined ? _.left : margin.left;
}},
color: {get: function(){return color;}, set: function(_){
color = nv.utils.getColor(_);
legend.color(color);
// line color is handled above?
}},
interpolate: {get: function(){return lines.interpolate();}, set: function(_){
lines.interpolate(_);
lines2.interpolate(_);
}},
xTickFormat: {get: function(){return xAxis.tickFormat();}, set: function(_){
xAxis.tickFormat(_);
x2Axis.tickFormat(_);
}},
yTickFormat: {get: function(){return yAxis.tickFormat();}, set: function(_){
yAxis.tickFormat(_);
y2Axis.tickFormat(_);
}},
duration: {get: function(){return transitionDuration;}, set: function(_){
transitionDuration=_;
yAxis.duration(transitionDuration);
y2Axis.duration(transitionDuration);
xAxis.duration(transitionDuration);
x2Axis.duration(transitionDuration);
}},
x: {get: function(){return lines.x();}, set: function(_){
lines.x(_);
lines2.x(_);
}},
y: {get: function(){return lines.y();}, set: function(_){
lines.y(_);
lines2.y(_);
}},
useInteractiveGuideline: {get: function(){return useInteractiveGuideline;}, set: function(_){
useInteractiveGuideline = _;
if (useInteractiveGuideline) {
lines.interactive(false);
lines.useVoronoi(false);
}
}}
});
nv.utils.inheritOptions(chart, lines);
nv.utils.initOptions(chart);
return chart;
};