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metricsgraphics.js
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metricsgraphics.js
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(function(root, factory) {
if (typeof define === 'function' && define.amd) {
define(['d3', 'jquery'], factory);
} else if (typeof exports === 'object') {
module.exports = factory(require('d3'), require('jquery'));
} else {
root.MG = factory(root.d3, root.jQuery);
}
}(this, function(d3, $) {
window.MG = {version: '2.5.0'};
function register(chartType, descriptor, defaults) {
MG.charts[chartType] = {
descriptor: descriptor,
defaults: defaults || {}
};
}
MG.register = register;
/**
Record of all registered hooks.
For internal use only.
*/
MG._hooks = {};
/**
Add a hook callthrough to the stack.
Hooks are executed in the order that they were registered.
*/
MG.add_hook = function(name, func, context) {
var hooks;
if (!MG._hooks[name]) {
MG._hooks[name] = [];
}
hooks = MG._hooks[name];
var already_registered =
hooks.filter(function(hook) {
return hook.func === func;
})
.length > 0;
if (already_registered) {
throw 'That function is already registered.';
}
hooks.push({
func: func,
context: context
});
};
/**
Execute registered hooks.
Optional arguments
*/
MG.call_hook = function(name) {
var hooks = MG._hooks[name],
result = [].slice.apply(arguments, [1]),
processed;
if (hooks) {
hooks.forEach(function(hook) {
if (hook.func) {
var params = processed || result;
if (params && params.constructor !== Array) {
params = [params];
}
params = [].concat.apply([], params);
processed = hook.func.apply(hook.context, params);
}
});
}
return processed || result;
};
MG.globals = {};
MG.deprecations = {
rollover_callback: { replacement: 'mouseover', version: '2.0' },
rollout_callback: { replacement: 'mouseout', version: '2.0' },
show_years: { replacement: 'show_secondary_x_label', version: '2.1' }
};
MG.globals.link = false;
MG.globals.version = "1.1";
MG.charts = {};
MG.data_graphic = function(args) {
'use strict';
var defaults = {
missing_is_zero: false, // if true, missing values will be treated as zeros
missing_is_hidden: false, // if true, missing values will appear as broken segments
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
full_width: false, // sets the graphic width to be the width of the parent element and resizes dynamically
full_height: false, // sets the graphic width to be the width of the parent element and resizes dynamically
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
xax_start_at_min: false,
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: null, // xax_format is a function that formats the labels for the x axis.
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
linked_format: '%Y-%m-%d', // What granularity to link on for graphs. Default is at day
list: false,
baselines: null, // sets the baseline lines
markers: null, // sets the marker lines
scalefns: {},
scales: {},
show_year_markers: false,
show_secondary_x_label: true,
target: '#viz',
interpolate: 'cardinal', // interpolation method to use when rendering lines
interpolate_tension: 0.7, // its range is from 0 to 1; increase if your data is irregular and you notice artifacts
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
aggregate_rollover: false, // links the lines in a multi-line chart
show_tooltips: true // if enabled, a chart's description will appear in a tooltip (requires jquery)
};
MG.call_hook('global.defaults', defaults);
if (!args) { args = {}; }
var selected_chart = MG.charts[args.chart_type || defaults.chart_type];
merge_with_defaults(args, selected_chart.defaults, defaults);
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 + '`';
}
warn_deprecation(message, deprecation.version);
}
}
MG.call_hook('global.before_init', args);
new selected_chart.descriptor(args);
return args.data;
};
if (typeof jQuery !== 'undefined') {
/*!
* 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
*/
/* ========================================================================
* 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) {
'use strict';
var container = d3.select(args.target);
// remove the current title if it exists
container.select('.mg-chart-title').remove();
if (args.target && args.title) {
//only show question mark if there's a description
var optional_question_mark = (args.show_tooltips && args.description)
? '<i class="fa fa-question-circle fa-inverse description"></i>'
: '';
container.insert('h2', ':first-child')
.attr('class', 'mg-chart-title')
.html(args.title + optional_question_mark);
//activate the question mark if we have a description
if (args.show_tooltips && args.description) {
var $newTitle = $(container.node()).find('h2.mg-chart-title');
$newTitle.popover({
html: true,
animation: false,
content: args.description,
trigger: 'hover',
placement: 'top',
container: $newTitle
});
}
}
if (args.error) {
error(args);
}
}
MG.chart_title = chart_title;
function y_rug(args) {
'use strict';
var svg = mg_get_svg_child_of(args.target);
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.mg-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', 'mg-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('mg-y-rug-mono', false);
} else {
rug.attr('stroke', null);
rug.classed('mg-y-rug-mono', true);
}
}
MG.y_rug = y_rug;
function y_axis(args) {
if (!args.processed) {
args.processed = {};
}
var svg = mg_get_svg_child_of(args.target);
var g;
var min_y,
max_y;
args.scalefns.yf = function(di) {
//since we want to show actual zeros when missing_is_hidden is on
if(args.missing_is_hidden && di['missing']) {
return args.scales.Y(di[args.y_accessor]) + 42.1234;
}
return args.scales.Y(di[args.y_accessor]);
};
var _set = false,
gtZeroFilter = function(d) { return d[args.y_accessor] > 0; },
mapToY = function(d) { return d[args.y_accessor]; };
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(gtZeroFilter);
}
if (a.length > 0) { // get min/max in one pass
var extent = d3.extent(a, mapToY);
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 case is for the y-axis to start at 0, unless we explicitly want it
// to start at an 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 (args.chart_type === 'bar') {
min_y = 0;
max_y = d3.max(args.data[0], function(d) {
var trio = [];
trio.push(d[args.y_accessor]);
if (args.baseline_accessor !== null) {
trio.push(d[args.baseline_accessor]);
}
if (args.predictor_accessor !== null) {
trio.push(d[args.predictor_accessor]);
}
return Math.max.apply(null, trio);
});
}
//if a min_y or max_y have been set, use those instead
min_y = args.min_y !== null ? args.min_y : min_y;
max_y = args.max_y !== null ? args.max_y : max_y * args.inflator;
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));