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| /*globals define, test, equal, ok, $, describe, it, beforeEach, afterEach, expect, window*/
/*jslint nomen: true, debug: true */
/**
* @module examsSubjectChartView
* @extends module:chartView
*/
define([
"views/chartView",
"underscore",
"utils"
],
function (chartView, _, utils) {
"use strict";
/**
* @name module:examsSubjectChartView
* @description Exam subject chart view
* @class Backbone.View
* @requires module:chartView
* @requires framework
* @requires underscore
* @requires module:utils
* @constructor
* @returns {Function} Backbone.View constructor
*/
var AXISCOLOR = "#777",
GRIDLINECOLOR = "#EEE";
return chartView.extend({
/**
* @name module:examsSubjectChartView#type
* @description Chart type identifier
* @type {string}
*/
type: "spline",
/**
* @name module:examsSubjectChartView#options
* @description Chart options extension
* @property
* @type {object}
*/
options: {
yAxis: [
{
title: {
text: "score".toLocaleString() + ", %",
style: {
color: AXISCOLOR,
fontWeight: "normal"
}
},
gridLineColor: GRIDLINECOLOR
},
{
title: {
text: "choice".toLocaleString() + ", %",
style: {
color: AXISCOLOR,
fontWeight: "normal"
}
},
gridLineColor: GRIDLINECOLOR,
opposite: true
}
],
plotOptions: {
series: {
point: {
events: {
click: function () {
this.series.chart.options
.getWidget().switchMode({
year: this.category
});
return this.category;
}
}
}
}
},
series: [
{
name: "school".toLocaleString()
},
{
name: "district".toLocaleString()
},
{
name: "region".toLocaleString()
},
{
name: "country".toLocaleString()
},
{
name: "whoChose".toLocaleString(),
dashStyle: "shortdot",
yAxis: 1
}
]
},
/**
* @name module:examsSubjectChartView#update
* @description Updates chart state by new data
* @function
* @returns {object|undefined} series or undefined
*/
update: function (data, type) {
if (this.chart && data) {
var range,
view = this,
i,
min = Infinity,
max = -Infinity,
series = {
school: [],
city: [],
region: [],
country: [],
choice: []
};
_.each(data, function (exam) {
var year = (new Date(exam.date)).getFullYear();
/* istanbul ignore else */
Eif (year > max) {
max = year;
}
if (year < min) {
min = year;
}
exam.y = year;
});
_.each(data, function (exam) {
i = exam.y - min;
series.school[i] = exam.average;
series.city[i] = exam.averageCity;
series.region[i] = exam.averageRegion;
series.country[i] = exam.averageCountry;
series.choice[i] = 100 * exam.total / (exam.gtotal || exam.total || 1);
});
range = _.range(min, max + 1);
_.each(series, function (s) {
s = utils.replace(undefined, null);
});
this.updateSpline(series.school, series.city, series.region, series.country, series.choice);
this.chart.xAxis[0].setCategories(range, false);
this.redraw();
return series;
}
return undefined;
}
});
}); |