kopia lustrzana https://github.com/drastus/sejm-calculator
124 wiersze
4.0 KiB
TypeScript
124 wiersze
4.0 KiB
TypeScript
import Chartist, {ChartistStatic, IChartistSvg} from 'chartist';
|
|
import {committees, constituencies} from './data';
|
|
import {calculateMandates} from './mandates';
|
|
import constituencyTemplate from './templates/constituency.pug';
|
|
import tableTemplate from './templates/table.pug';
|
|
import './styles/styles.css';
|
|
|
|
const clearResults = (bar: ChartistStatic['Bar'], pie: ChartistStatic['Pie']) => {
|
|
document.querySelectorAll<HTMLTableDataCellElement>('tr td:last-child').forEach((td) => {
|
|
td.innerHTML = '';
|
|
});
|
|
bar.detach();
|
|
pie.detach();
|
|
document.getElementById('support-bar-chart')!.innerHTML = '';
|
|
document.getElementById('division-pie-chart')!.innerHTML = '';
|
|
document.getElementById('constituency-results')!.innerHTML = '';
|
|
};
|
|
|
|
const displayConstituencyResults = () => {
|
|
const container = document.getElementById('constituency-results');
|
|
constituencies.forEach((constituency, constituenyIndex) => {
|
|
const data = (constituency.mandates && constituency.support)
|
|
? constituency.mandates.map((mandates, committeeIndex) => ({
|
|
committee: committees[committeeIndex].name,
|
|
support: (constituency.support as number[])[committeeIndex],
|
|
mandates,
|
|
}))
|
|
: [];
|
|
data.sort((a, b) => b.support - a.support);
|
|
container!.insertAdjacentHTML('beforeend', constituencyTemplate({
|
|
number: constituenyIndex + 1,
|
|
name: constituency.name,
|
|
size: constituency.size,
|
|
data,
|
|
}));
|
|
});
|
|
};
|
|
|
|
const handleCalculateButtonClick = (event: Event) => {
|
|
event.preventDefault();
|
|
|
|
const inputs = document.querySelectorAll<HTMLInputElement>('#support-form input');
|
|
const support = Array
|
|
.from(inputs)
|
|
.map((input) => parseFloat(input.value))
|
|
.map((value) => (Number.isNaN(value) ? 0 : value));
|
|
if (support.reduce((a, b) => a + b, 0) > 100) {
|
|
inputs.forEach((input) => input.setCustomValidity('Suma poparcia nie może przekraczać 100%'));
|
|
return;
|
|
} else {
|
|
inputs.forEach((input) => input.setCustomValidity(''));
|
|
}
|
|
if (!document.querySelector<HTMLFormElement>('#support-form')!.checkValidity()) return;
|
|
const mandates = calculateMandates(support);
|
|
|
|
mandates.forEach((value, index) => {
|
|
const committeeId = committees[index].id;
|
|
const td = document.querySelector<HTMLTableDataCellElement>(`tr.${committeeId} td:last-child`);
|
|
if (td) td.textContent = value.toString();
|
|
});
|
|
|
|
const sortedSupport = committees.slice(0, -1).map((c, i) => ({
|
|
label: c.shortName,
|
|
support: {value: support[i], className: c.id},
|
|
})).sort((a, b) => b.support.value - a.support.value);
|
|
const barChartData = {
|
|
labels: sortedSupport.map((ss) => ss.label),
|
|
series: sortedSupport.map((ss) => ss.support),
|
|
};
|
|
const barChartOptions = {
|
|
distributeSeries: true,
|
|
};
|
|
const bar = new Chartist.Bar('#support-bar-chart', barChartData, barChartOptions);
|
|
bar.on('draw', (data: {type: string; element: IChartistSvg}) => {
|
|
if (data.type === 'bar') {
|
|
data.element.attr({
|
|
style: 'stroke-width: 30px',
|
|
});
|
|
}
|
|
});
|
|
|
|
const sortedMandates = committees.map((c, i) => ({
|
|
label: c.shortName,
|
|
mandates: {value: mandates[i], className: c.id},
|
|
})).sort((a, b) => b.mandates.value - a.mandates.value);
|
|
const pieChartData = {
|
|
series: sortedMandates.map((sm) => sm.mandates),
|
|
};
|
|
const pieChartOptions = {
|
|
donut: true,
|
|
donutWidth: 60,
|
|
startAngle: 270,
|
|
total: 460 * 2,
|
|
labelInterpolationFnc: (value: number, index: number) => (
|
|
value < 15 ? '' : `${sortedMandates[index].label} ${value}`
|
|
),
|
|
};
|
|
const pie = new Chartist.Pie('#division-pie-chart', pieChartData, pieChartOptions);
|
|
|
|
displayConstituencyResults();
|
|
|
|
inputs.forEach((input) => input.addEventListener('input', () => {
|
|
clearResults(bar, pie);
|
|
}));
|
|
};
|
|
|
|
const generateTable = () => {
|
|
const form: HTMLElement = document.getElementById('support-form')!;
|
|
form.insertAdjacentHTML('afterbegin', tableTemplate({
|
|
committees,
|
|
}));
|
|
};
|
|
|
|
const bindActions = () => {
|
|
document
|
|
.querySelector('#calculate-button')!
|
|
.addEventListener('click', handleCalculateButtonClick);
|
|
};
|
|
|
|
document.addEventListener('DOMContentLoaded', () => {
|
|
generateTable();
|
|
bindActions();
|
|
});
|