27 lines
1.0 KiB
JavaScript
27 lines
1.0 KiB
JavaScript
document.addEventListener('DOMContentLoaded', () => {
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const downloadCodeInput = document.getElementById('download_code_input');
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const downloadButton = document.getElementById('download_button');
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const downloadForm = document.getElementById('download_form');
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downloadCodeInput.addEventListener('beforeinput', (e) => {
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if (/^[a-zA-Z0-9-]+$/.test(e.data)) { return; }
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e.preventDefault();
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if (e.data === ' ') {
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downloadCodeInput.value += '-';
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}
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});
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const disableEnableDownload = () => { downloadButton.disabled = (downloadCodeInput.value === ''); };
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disableEnableDownload();
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downloadCodeInput.addEventListener('input', disableEnableDownload);
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downloadForm.addEventListener('submit', (e) => {
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if (downloadCodeInput.value === '') {
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e.preventDefault();
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} else {
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setTimeout(() => {
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downloadCodeInput.value = '';
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downloadButton.disabled = true;
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}, 0);
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}
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});
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downloadCodeInput.focus();
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});
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