56 lines
2 KiB
JavaScript
56 lines
2 KiB
JavaScript
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document.addEventListener("DOMContentLoaded", () => {
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const electionData = JSON.parse(document.querySelector('#election-data').innerHTML)
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function getMaxResult() {
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return Math.max.apply(
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Math,
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Object.values(electionData.parties).map(
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party => Math.max.apply(Math, party.results)
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)
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)
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}
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Object.keys(electionData.parties).forEach(party => {
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bar = document.createElement('div')
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bar.classList.add('bar');
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[...document.querySelectorAll('.election-results .bars')].forEach(el => el.appendChild(bar.cloneNode(true)))
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legend = document.createElement('div')
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legend.classList.add('legend-item')
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legendParty = document.createElement('span')
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legendParty.classList.add('party')
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legendParty.innerText = party
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legend.appendChild(legendParty)
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legendResult = document.createElement('span')
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legendResult.classList.add('result')
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legendResult.innerText = 0
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legend.appendChild(legendResult);
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[...document.querySelectorAll('.election-results .legend')].forEach(el => el.appendChild(legend.cloneNode(true)))
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})
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function setCycle(cycle) {
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[...document.querySelectorAll('.election-results')].forEach(er => {
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er.querySelector('.year').innerText = electionData.years[cycle];
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bars = er.querySelectorAll('.bar');
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console.log(er);
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[...er.querySelectorAll('.legend-item')].forEach((el, idx) => {
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data = electionData.parties[el.querySelector('.party').innerText]
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el.querySelector('.result').innerText = data.results[cycle]
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bars[idx].style.height = (data.results[cycle] / getMaxResult() * 100) + '%'
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bars[idx].style['background-color'] = data.color
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})
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})
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}
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setCycle(0)
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Reveal.addEventListener('fragmentshown', e => {
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if (e.fragment.hasAttribute('data-cycle')) setCycle(e.fragment.getAttribute('data-cycle'))
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});
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Reveal.addEventListener('fragmenthidden', e => {
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if (e.fragment.hasAttribute('data-cycle')) setCycle(e.fragment.getAttribute('data-cycle') - 1)
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});
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})
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