decide.nolog.cz/app/components/poll-evaluation-chart.js
2018-12-31 10:17:03 +01:00

116 lines
3.3 KiB
JavaScript

import { inject as service } from '@ember/service';
import Component from '@ember/component';
import { get, computed } from '@ember/object';
import { isArray } from '@ember/array';
import { isPresent } from '@ember/utils';
import moment from 'moment';
const addArrays = function() {
let args = Array.prototype.slice.call(arguments);
let basis = args.shift();
if (!isArray(basis)) {
return [];
}
args.forEach(function(array) {
array.forEach(function(value, index) {
if (isPresent(value)) {
basis[index] = basis[index] + value;
}
});
});
return basis;
};
export default Component.extend({
i18n: service(),
type: 'bar',
data: computed('users.[]', 'options.{[],each.title}', 'currentLocale', function() {
let labels = this.options.map((option) => {
let value = get(option, 'title');
if (!this.isFindADate) {
return value;
}
let hasTime = value.length > 10; // 'YYYY-MM-DD'.length === 10
let momentFormat = hasTime ? 'LLLL' : this.momentLongDayFormat;
let timezone = this.timezone;
let date = hasTime && isPresent(timezone) ? moment.tz(value, timezone) : moment(value);
date.locale(this.currentLocale);
return date.format(momentFormat);
});
let datasets = [];
let participants = this.get('users.length');
let yes = this.users.map((user) => {
return user.get('selections').map((selection) => {
return selection.get('type') === 'yes' ? 1 : 0;
});
});
datasets.push({
label: this.i18n.t('answerTypes.yes.label').toString(),
backgroundColor: 'rgba(151,187,205,0.5)',
borderColor: 'rgba(151,187,205,0.8)',
hoverBackgroundColor: 'rgba(151,187,205,0.75)',
hoverBorderColor: 'rgba(151,187,205,1)',
data: addArrays.apply(this, yes).map((value) => Math.round(value / participants * 100))
});
if (this.answerType === 'YesNoMaybe') {
let maybe = this.users.map((user) => {
return user.get('selections').map((selection) => {
return selection.get('type') === 'maybe' ? 1 : 0;
});
});
datasets.push({
label: this.i18n.t('answerTypes.maybe.label').toString(),
backgroundColor: 'rgba(220,220,220,0.5)',
borderColor: 'rgba(220,220,220,0.8)',
hoverBackgroundColor: 'rgba(220,220,220,0.75)',
hoverBorderColor: 'rgba(220,220,220,1)',
data: addArrays.apply(this, maybe).map((value) => Math.round(value / participants * 100))
});
}
return {
datasets,
labels
};
}),
chartOptions: computed(function () {
return {
legend: {
display: false
},
scales: {
xAxes: [{
stacked: true
}],
yAxes: [{
stacked: true,
ticks: {
callback(value) {
return `${value} %`;
},
max: 100,
min: 0
}
}]
},
tooltips: {
mode: 'label',
callbacks: {
label(tooltipItem, data) {
let { datasets } = data;
let { datasetIndex } = tooltipItem;
let { label } = datasets[datasetIndex];
let value = tooltipItem.yLabel;
return `${label}: ${value} %`;
}
}
}
}
}),
});