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metricsgraphics.js
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metricsgraphics.js
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(function() {
"use strict";
var MG = {version:'2.0.0'};
var charts = {};
MG.globals = {};
MG.deprecations = {
rollover_callback: { replacement: 'mouseover', version: '2.0' },
rollout_callback: { replacement: 'mouseout', version: '2.0' }
};
MG.globals.link = false;
MG.globals.version = "1.1";
MG.data_graphic = function() {
'use strict';
var defaults = {};
defaults.all = {
missing_is_zero: false, // if true, missing values will be treated as zeros
legend: '' , // an array identifying the labels for a chart's lines
legend_target: '', // if set, the specified element is populated with a legend
error: '', // if set, a graph will show an error icon and log the error to the console
animate_on_load: false, // animate lines on load
top: 40, // the size of the top margin
bottom: 30, // the size of the bottom margin
right: 10, // size of the right margin
left: 50, // size of the left margin
buffer: 8, // the buffer between the actual chart area and the margins
width: 350, // the width of the entire graphic
height: 220, // the height of the entire graphic
small_height_threshold: 120, // the height threshold for when smaller text appears
small_width_threshold: 160, // the width threshold for when smaller text appears
small_text: false, // coerces small text regardless of graphic size
xax_count: 6, // number of x axis ticks
xax_tick_length: 5, // x axis tick length
yax_count: 5, // number of y axis ticks
yax_tick_length: 5, // y axis tick length
x_extended_ticks: false, // extends x axis ticks across chart - useful for tall charts
y_extended_ticks: false, // extends y axis ticks across chart - useful for long charts
y_scale_type: 'linear',
max_x: null,
max_y: null,
min_x: null,
min_y: null, // if set, y axis starts at an arbitrary value
min_y_from_data: false, // if set, y axis will start at minimum value rather than at 0
point_size: 2.5, // the size of the dot that appears on a line on mouse-over
x_accessor: 'date',
xax_units: '',
x_label: '',
x_axis: true,
y_axis: true,
y_accessor: 'value',
y_label: '',
yax_units: '',
x_rug: false,
y_rug: false,
transition_on_update: true,
mouseover: null,
show_rollover_text: true,
show_confidence_band: null, // given [l, u] shows a confidence at each point from l to u
xax_format: function(d) {
var df = d3.time.format('%b %d');
var pf = d3.formatPrefix(d);
// format as date or not, of course user can pass in
// a custom function if desired
switch($.type(args.data[0][0][args.x_accessor])) {
case 'date':
return df(d);
break;
case 'number':
return pf.scale(d) + pf.symbol;
break;
default:
return d;
}
},
area: true,
chart_type: 'line',
data: [],
decimals: 2, // the number of decimals in any rollover
format: 'count', // format = {count, percentage}
inflator: 10/9, // for setting y axis max
linked: false, // links together all other graphs with linked:true, so rollovers in one trigger rollovers in the others
list: false,
baselines: null, // sets the baseline lines
markers: null, // sets the marker lines
scalefns: {},
scales: {},
show_years: true,
target: '#viz',
interpolate: 'cardinal', // interpolation method to use when rendering lines
custom_line_color_map: [], // allows arbitrary mapping of lines to colors, e.g. [2,3] will map line 1 to color 2 and line 2 to color 3
max_data_size: null // explicitly specify the the max number of line series, for use with custom_line_color_map
}
defaults.point = {
buffer: 16,
ls: false,
lowess: false,
point_size: 2.5,
size_accessor: null,
color_accessor: null,
size_range: null, // when we set a size_accessor option, this array determines the size range, e.g. [1,5]
color_range: null, // e.g. ['blue', 'red'] to color different groups of points
size_domain: null,
color_domain: null,
color_type: 'number' // can be either 'number' - the color scale is quantitative - or 'category' - the color scale is qualitative.
}
defaults.histogram = {
mouseover: function(d, i) {
$('#histogram svg .active_datapoint')
.html('Frequency Count: ' + d.y);
},
binned: false,
bins: null,
processed_x_accessor: 'x',
processed_y_accessor: 'y',
processed_dx_accessor: 'dx',
bar_margin: 1
}
defaults.bar = {
y_accessor: 'factor',
x_accessor: 'value',
baseline_accessor: null,
predictor_accessor: null,
predictor_proportion: 5,
dodge_accessor: null,
binned: true,
padding_percentage: 0,
outer_padding_percentage: .1,
height: 500,
top: 20,
bar_height: 20,
left: 70
}
defaults.missing = {
top: 0,
bottom: 0,
right: 0,
left: 0,
legend_target: '',
width: 350,
height: 220,
missing_text: 'Data currently missing or unavailable'
}
var args = arguments[0];
if (!args) { args = {}; }
//args = merge_with_defaults(args, moz.defaults.all);
var g = '';
if (args.list) {
args.x_accessor = 0;
args.y_accessor = 1;
}
// check for deprecated parameters
for (var key in MG.deprecations) {
if (args.hasOwnProperty(key)) {
var deprecation = MG.deprecations[key],
message = 'Use of `args.' + key + '` has been deprecated',
replacement = deprecation.replacement,
version;
// transparently alias the deprecated
if (replacement) {
if (args[replacement]) {
message += '. The replacement - `args.' + replacement + '` - has already been defined. This definition will be discarded.';
} else {
args[replacement] = args[key];
}
}
if (deprecation.warned) continue;
deprecation.warned = true;
if (replacement) {
message += ' in favor of `args.' + replacement + '`'
}
warnDeprecation(message, deprecation.version);
}
}
//build the chart
if(args.chart_type == 'missing-data'){
args = merge_with_defaults(args, defaults.missing);
charts.missing(args);
}
else if(args.chart_type == 'point'){
var a = merge_with_defaults(defaults.point, defaults.all);
args = merge_with_defaults(args, a);
charts.point(args).mainPlot().markers().rollover();
}
else if(args.chart_type == 'histogram'){
var a = merge_with_defaults(defaults.histogram, defaults.all);
args = merge_with_defaults(args, a);
charts.histogram(args).mainPlot().markers().rollover();
}
else if (args.chart_type == 'bar'){
var a = merge_with_defaults(defaults.bar, defaults.all);
args = merge_with_defaults(args, a);
charts.bar(args).mainPlot().markers().rollover();
}
else {
args = merge_with_defaults(args, defaults.all);
charts.line(args).markers().mainPlot().rollover();
}
return args.data;
}
/*!
* Bootstrap v3.3.1 (http://getbootstrap.com)
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
*/
/*!
* Generated using the Bootstrap Customizer (http://getbootstrap.com/customize/?id=698666b23215c58f23d4)
* Config saved to config.json and https://gist.github.com/698666b23215c58f23d4
*/
if (typeof jQuery === 'undefined') {
throw new Error('Bootstrap\'s JavaScript requires jQuery')
}
+function ($) {
var version = $.fn.jquery.split(' ')[0].split('.')
if ((version[0] < 2 && version[1] < 9) || (version[0] == 1 && version[1] == 9 && version[2] < 1)) {
throw new Error('Bootstrap\'s JavaScript requires jQuery version 1.9.1 or higher')
}
}(jQuery);
/* ========================================================================
* Bootstrap: tooltip.js v3.3.1
* http://getbootstrap.com/javascript/#tooltip
* Inspired by the original jQuery.tipsy by Jason Frame
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* ======================================================================== */
+function ($) {
'use strict';
if(typeof $().tooltip == 'function')
return true;
// TOOLTIP PUBLIC CLASS DEFINITION
// ===============================
var Tooltip = function (element, options) {
this.type =
this.options =
this.enabled =
this.timeout =
this.hoverState =
this.$element = null
this.init('tooltip', element, options)
}
Tooltip.VERSION = '3.3.1'
Tooltip.TRANSITION_DURATION = 150
Tooltip.DEFAULTS = {
animation: true,
placement: 'top',
selector: false,
template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',
trigger: 'hover focus',
title: '',
delay: 0,
html: false,
container: false,
viewport: {
selector: 'body',
padding: 0
}
}
Tooltip.prototype.init = function (type, element, options) {
this.enabled = true
this.type = type
this.$element = $(element)
this.options = this.getOptions(options)
this.$viewport = this.options.viewport && $(this.options.viewport.selector || this.options.viewport)
var triggers = this.options.trigger.split(' ')
for (var i = triggers.length; i--;) {
var trigger = triggers[i]
if (trigger == 'click') {
this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
} else if (trigger != 'manual') {
var eventIn = trigger == 'hover' ? 'mouseenter' : 'focusin'
var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'
this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
}
}
this.options.selector ?
(this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
this.fixTitle()
}
Tooltip.prototype.getDefaults = function () {
return Tooltip.DEFAULTS
}
Tooltip.prototype.getOptions = function (options) {
options = $.extend({}, this.getDefaults(), this.$element.data(), options)
if (options.delay && typeof options.delay == 'number') {
options.delay = {
show: options.delay,
hide: options.delay
}
}
return options
}
Tooltip.prototype.getDelegateOptions = function () {
var options = {}
var defaults = this.getDefaults()
this._options && $.each(this._options, function (key, value) {
if (defaults[key] != value) options[key] = value
})
return options
}
Tooltip.prototype.enter = function (obj) {
var self = obj instanceof this.constructor ?
obj : $(obj.currentTarget).data('bs.' + this.type)
if (self && self.$tip && self.$tip.is(':visible')) {
self.hoverState = 'in'
return
}
if (!self) {
self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
$(obj.currentTarget).data('bs.' + this.type, self)
}
clearTimeout(self.timeout)
self.hoverState = 'in'
if (!self.options.delay || !self.options.delay.show) return self.show()
self.timeout = setTimeout(function () {
if (self.hoverState == 'in') self.show()
}, self.options.delay.show)
}
Tooltip.prototype.leave = function (obj) {
var self = obj instanceof this.constructor ?
obj : $(obj.currentTarget).data('bs.' + this.type)
if (!self) {
self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
$(obj.currentTarget).data('bs.' + this.type, self)
}
clearTimeout(self.timeout)
self.hoverState = 'out'
if (!self.options.delay || !self.options.delay.hide) return self.hide()
self.timeout = setTimeout(function () {
if (self.hoverState == 'out') self.hide()
}, self.options.delay.hide)
}
Tooltip.prototype.show = function () {
var e = $.Event('show.bs.' + this.type)
if (this.hasContent() && this.enabled) {
this.$element.trigger(e)
var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0])
if (e.isDefaultPrevented() || !inDom) return
var that = this
var $tip = this.tip()
var tipId = this.getUID(this.type)
this.setContent()
$tip.attr('id', tipId)
this.$element.attr('aria-describedby', tipId)
if (this.options.animation) $tip.addClass('fade')
var placement = typeof this.options.placement == 'function' ?
this.options.placement.call(this, $tip[0], this.$element[0]) :
this.options.placement
var autoToken = /\s?auto?\s?/i
var autoPlace = autoToken.test(placement)
if (autoPlace) placement = placement.replace(autoToken, '') || 'top'
$tip
.detach()
.css({ top: 0, left: 0, display: 'block' })
.addClass(placement)
.data('bs.' + this.type, this)
this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
var pos = this.getPosition()
var actualWidth = $tip[0].offsetWidth
var actualHeight = $tip[0].offsetHeight
if (autoPlace) {
var orgPlacement = placement
var $container = this.options.container ? $(this.options.container) : this.$element.parent()
var containerDim = this.getPosition($container)
placement = placement == 'bottom' && pos.bottom + actualHeight > containerDim.bottom ? 'top' :
placement == 'top' && pos.top - actualHeight < containerDim.top ? 'bottom' :
placement == 'right' && pos.right + actualWidth > containerDim.width ? 'left' :
placement == 'left' && pos.left - actualWidth < containerDim.left ? 'right' :
placement
$tip
.removeClass(orgPlacement)
.addClass(placement)
}
var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)
this.applyPlacement(calculatedOffset, placement)
var complete = function () {
var prevHoverState = that.hoverState
that.$element.trigger('shown.bs.' + that.type)
that.hoverState = null
if (prevHoverState == 'out') that.leave(that)
}
$.support.transition && this.$tip.hasClass('fade') ?
$tip
.one('bsTransitionEnd', complete)
.emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
complete()
}
}
Tooltip.prototype.applyPlacement = function (offset, placement) {
var $tip = this.tip()
var width = $tip[0].offsetWidth
var height = $tip[0].offsetHeight
// manually read margins because getBoundingClientRect includes difference
var marginTop = parseInt($tip.css('margin-top'), 10)
var marginLeft = parseInt($tip.css('margin-left'), 10)
// we must check for NaN for ie 8/9
if (isNaN(marginTop)) marginTop = 0
if (isNaN(marginLeft)) marginLeft = 0
offset.top = offset.top + marginTop
offset.left = offset.left + marginLeft
// $.fn.offset doesn't round pixel values
// so we use setOffset directly with our own function B-0
$.offset.setOffset($tip[0], $.extend({
using: function (props) {
$tip.css({
top: Math.round(props.top),
left: Math.round(props.left)
})
}
}, offset), 0)
$tip.addClass('in')
// check to see if placing tip in new offset caused the tip to resize itself
var actualWidth = $tip[0].offsetWidth
var actualHeight = $tip[0].offsetHeight
if (placement == 'top' && actualHeight != height) {
offset.top = offset.top + height - actualHeight
}
var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight)
if (delta.left) offset.left += delta.left
else offset.top += delta.top
var isVertical = /top|bottom/.test(placement)
var arrowDelta = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight
var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight'
$tip.offset(offset)
this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical)
}
Tooltip.prototype.replaceArrow = function (delta, dimension, isHorizontal) {
this.arrow()
.css(isHorizontal ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')
.css(isHorizontal ? 'top' : 'left', '')
}
Tooltip.prototype.setContent = function () {
var $tip = this.tip()
var title = this.getTitle()
$tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
$tip.removeClass('fade in top bottom left right')
}
Tooltip.prototype.hide = function (callback) {
var that = this
var $tip = this.tip()
var e = $.Event('hide.bs.' + this.type)
function complete() {
if (that.hoverState != 'in') $tip.detach()
that.$element
.removeAttr('aria-describedby')
.trigger('hidden.bs.' + that.type)
callback && callback()
}
this.$element.trigger(e)
if (e.isDefaultPrevented()) return
$tip.removeClass('in')
$.support.transition && this.$tip.hasClass('fade') ?
$tip
.one('bsTransitionEnd', complete)
.emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
complete()
this.hoverState = null
return this
}
Tooltip.prototype.fixTitle = function () {
var $e = this.$element
if ($e.attr('title') || typeof ($e.attr('data-original-title')) != 'string') {
$e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
}
}
Tooltip.prototype.hasContent = function () {
return this.getTitle()
}
Tooltip.prototype.getPosition = function ($element) {
$element = $element || this.$element
var el = $element[0]
var isBody = el.tagName == 'BODY'
var elRect = el.getBoundingClientRect()
if (elRect.width == null) {
// width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093
elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })
}
var elOffset = isBody ? { top: 0, left: 0 } : $element.offset()
var scroll = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }
var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null
return $.extend({}, elRect, scroll, outerDims, elOffset)
}
Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
return placement == 'bottom' ? { top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 } :
placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :
placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
/* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }
}
Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {
var delta = { top: 0, left: 0 }
if (!this.$viewport) return delta
var viewportPadding = this.options.viewport && this.options.viewport.padding || 0
var viewportDimensions = this.getPosition(this.$viewport)
if (/right|left/.test(placement)) {
var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll
var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight
if (topEdgeOffset < viewportDimensions.top) { // top overflow
delta.top = viewportDimensions.top - topEdgeOffset
} else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow
delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset
}
} else {
var leftEdgeOffset = pos.left - viewportPadding
var rightEdgeOffset = pos.left + viewportPadding + actualWidth
if (leftEdgeOffset < viewportDimensions.left) { // left overflow
delta.left = viewportDimensions.left - leftEdgeOffset
} else if (rightEdgeOffset > viewportDimensions.width) { // right overflow
delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset
}
}
return delta
}
Tooltip.prototype.getTitle = function () {
var title
var $e = this.$element
var o = this.options
title = $e.attr('data-original-title')
|| (typeof o.title == 'function' ? o.title.call($e[0]) : o.title)
return title
}
Tooltip.prototype.getUID = function (prefix) {
do prefix += ~~(Math.random() * 1000000)
while (document.getElementById(prefix))
return prefix
}
Tooltip.prototype.tip = function () {
return (this.$tip = this.$tip || $(this.options.template))
}
Tooltip.prototype.arrow = function () {
return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'))
}
Tooltip.prototype.enable = function () {
this.enabled = true
}
Tooltip.prototype.disable = function () {
this.enabled = false
}
Tooltip.prototype.toggleEnabled = function () {
this.enabled = !this.enabled
}
Tooltip.prototype.toggle = function (e) {
var self = this
if (e) {
self = $(e.currentTarget).data('bs.' + this.type)
if (!self) {
self = new this.constructor(e.currentTarget, this.getDelegateOptions())
$(e.currentTarget).data('bs.' + this.type, self)
}
}
self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
}
Tooltip.prototype.destroy = function () {
var that = this
clearTimeout(this.timeout)
this.hide(function () {
that.$element.off('.' + that.type).removeData('bs.' + that.type)
})
}
// TOOLTIP PLUGIN DEFINITION
// =========================
function Plugin(option) {
return this.each(function () {
var $this = $(this)
var data = $this.data('bs.tooltip')
var options = typeof option == 'object' && option
var selector = options && options.selector
if (!data && option == 'destroy') return
if (selector) {
if (!data) $this.data('bs.tooltip', (data = {}))
if (!data[selector]) data[selector] = new Tooltip(this, options)
} else {
if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))
}
if (typeof option == 'string') data[option]()
})
}
var old = $.fn.tooltip
$.fn.tooltip = Plugin
$.fn.tooltip.Constructor = Tooltip
// TOOLTIP NO CONFLICT
// ===================
$.fn.tooltip.noConflict = function () {
$.fn.tooltip = old
return this
}
}(jQuery);
/* ========================================================================
* Bootstrap: popover.js v3.3.1
* http://getbootstrap.com/javascript/#popovers
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* ======================================================================== */
+function ($) {
'use strict';
if(typeof $().popover == 'function')
return true;
// POPOVER PUBLIC CLASS DEFINITION
// ===============================
var Popover = function (element, options) {
this.init('popover', element, options)
}
if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js')
Popover.VERSION = '3.3.1'
Popover.DEFAULTS = $.extend({}, $.fn.tooltip.Constructor.DEFAULTS, {
placement: 'right',
trigger: 'click',
content: '',
template: '<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>'
})
// NOTE: POPOVER EXTENDS tooltip.js
// ================================
Popover.prototype = $.extend({}, $.fn.tooltip.Constructor.prototype)
Popover.prototype.constructor = Popover
Popover.prototype.getDefaults = function () {
return Popover.DEFAULTS
}
Popover.prototype.setContent = function () {
var $tip = this.tip()
var title = this.getTitle()
var content = this.getContent()
$tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title)
$tip.find('.popover-content').children().detach().end()[ // we use append for html objects to maintain js events
this.options.html ? (typeof content == 'string' ? 'html' : 'append') : 'text'
](content)
$tip.removeClass('fade top bottom left right in')
// IE8 doesn't accept hiding via the `:empty` pseudo selector, we have to do
// this manually by checking the contents.
if (!$tip.find('.popover-title').html()) $tip.find('.popover-title').hide()
}
Popover.prototype.hasContent = function () {
return this.getTitle() || this.getContent()
}
Popover.prototype.getContent = function () {
var $e = this.$element
var o = this.options
return $e.attr('data-content')
|| (typeof o.content == 'function' ?
o.content.call($e[0]) :
o.content)
}
Popover.prototype.arrow = function () {
return (this.$arrow = this.$arrow || this.tip().find('.arrow'))
}
Popover.prototype.tip = function () {
if (!this.$tip) this.$tip = $(this.options.template)
return this.$tip
}
// POPOVER PLUGIN DEFINITION
// =========================
function Plugin(option) {
return this.each(function () {
var $this = $(this)
var data = $this.data('bs.popover')
var options = typeof option == 'object' && option
var selector = options && options.selector
if (!data && option == 'destroy') return
if (selector) {
if (!data) $this.data('bs.popover', (data = {}))
if (!data[selector]) data[selector] = new Popover(this, options)
} else {
if (!data) $this.data('bs.popover', (data = new Popover(this, options)))
}
if (typeof option == 'string') data[option]()
})
}
var old = $.fn.popover
$.fn.popover = Plugin
$.fn.popover.Constructor = Popover
// POPOVER NO CONFLICT
// ===================
$.fn.popover.noConflict = function () {
$.fn.popover = old
return this
}
}(jQuery);
function chart_title(args) {
//is chart title different than existing, if so, clear the fine
//gentleman, otherwise, move along
'use strict';
var currentTitle = $(args.target).find('h2.chart_title');
if(args.title && args.title !== currentTitle.text())
currentTitle.remove();
else
return;
if (args.target && args.title) {
var newTitle;
//only show question mark if there's a description
var optional_question_mark = (args.description)
? '<i class="fa fa-question-circle fa-inverse"></i>'
: '';
$(args.target).prepend('<h2 class="chart_title">'
+ args.title + optional_question_mark + '</h2>');
//activate the question mark if we have a description
if (args.description){
newTitle = $(args.target).find('h2.chart_title');
newTitle.popover({
html: true,
animation: false,
content: args.description,
trigger: 'hover',
placement: 'top',
container: newTitle
});
}
}
if(args.error) {
error(args);
}
}
function y_rug(args) {
'use strict';
var svg = d3.select($(args.target).find('svg').get(0));
var buffer_size = args.chart_type == 'point'
? args.buffer / 2
: args.buffer * 2 / 3;
var all_data = [];
for (var i=0; i<args.data.length; i++) {
for (var j=0; j<args.data[i].length; j++) {
all_data.push(args.data[i][j]);
}
}
var rug = svg.selectAll('line.y-rug').data(all_data);
//set the attributes that do not change after initialization, per
//D3's general update pattern
rug.enter().append('svg:line')
.attr('class', 'y-rug')
.attr('opacity', 0.3);
//remove rug elements that are no longer in use
rug.exit().remove();
//set coordinates of new rug elements
rug.exit().remove();
rug.attr('x1', args.left + 1)
.attr('x2', args.left+buffer_size)
.attr('y1', args.scalefns.yf)
.attr('y2', args.scalefns.yf);
if (args.color_accessor) {
rug.attr('stroke', args.scalefns.color);
rug.classed('y-rug-mono', false);
}
else {
rug.attr('stroke', null);
rug.classed('y-rug-mono', true);
}
}
function y_axis(args) {
var svg = d3.select($(args.target).find('svg').get(0));
var $svg = $($(args.target).find('svg').get(0));
var g;
var min_y, max_y;
args.scalefns.yf = function(di) {
return args.scales.Y(di[args.y_accessor]);
}
var min_y, max_y;
var _set = false;
for (var i=0; i<args.data.length; i++) {
var a = args.data[i];
if (args.y_scale_type == 'log') {
// filter positive values
a = a.filter(function(d) { return d[args.y_accessor] > 0; });
}
if (a.length > 0) {
// get min/max in one pass
var extent = d3.extent(a,function(d) {
return d[args.y_accessor];
});
if (!_set) {
// min_y and max_y haven't been set
min_y = extent[0];
max_y = extent[1];
_set = true;
} else {
min_y = Math.min(extent[0], min_y);
max_y = Math.max(extent[1], max_y);
}
}
}
// the default cause is for the y-axis to start at 0, unless we explicitly want it
// to start at ab arbitrary number or from the data's minimum value
if (min_y >= 0 && !args.min_y && !args.min_y_from_data){
min_y = 0;
}
//if a min_y or max_y have been set, use those instead
min_y = args.min_y ? args.min_y : min_y;
max_y = args.max_y ? args.max_y : max_y;
if (args.y_scale_type != 'log') {
// we are currently saying that if the min val > 0, set 0 as min y.
if (min_y >= 0){
args.y_axis_negative = false;
} else {
min_y = min_y - (max_y * (args.inflator-1));
args.y_axis_negative = true;
}
}
max_y = max_y * args.inflator;
if (!args.min_y && args.min_y_from_data){
min_y = min_y / args.inflator;
}
if (args.y_scale_type == 'log'){
if (args.chart_type == 'histogram') {
// log histogram plots should start just below 1
// so that bins with single counts are visible
min_y = 0.2;
} else {
if (min_y <= 0) {
min_y = 1;
}
}
args.scales.Y = d3.scale.log()
.domain([min_y, max_y])
.range([args.height - args.bottom - args.buffer, args.top])
.clamp(true);
} else {
args.scales.Y = d3.scale.linear()