72 lines
2.4 KiB
JavaScript
72 lines
2.4 KiB
JavaScript
/* jshint esversion: 6 */
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const defaults = {
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nameToReplace: 'idx',
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removeSelector: '.remove',
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minimalId: 'auto'
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}
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export function formStamp(element, options = {})
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{
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const {
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nameToReplace,
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removeSelector,
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minimalId
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} = { ...defaults, ...element.dataset, ...options };
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const container = element.parentElement;
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const template = element.querySelector('template');
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const itemSelector = '.' + template.content.firstElementChild.className.replace(/ /g, '.');
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const startWithId = minimalId === 'auto' ? container.querySelectorAll(itemSelector).length : parseInt(minimalId);
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let created = 0;
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const afterDomManipulation = () => {
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element.dispatchEvent(new CustomEvent('afterStampDomManipulation'));
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}
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const removeRow = (removeItem) => () => {
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const rowToDelete = removeItem.closest(itemSelector);
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// Flow renders identity fields directly at the form tag, so we need to look
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if (rowToDelete.dataset.stampRemoveWithMe) {
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container.closest('form')
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.querySelectorAll(rowToDelete.dataset.stampRemoveWithMe)
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.forEach(child => child.remove())
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}
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if (element.dispatchEvent(new CustomEvent(
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'beforeStampRemoval',
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{
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cancelable: true,
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detail: {
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toBeRemoved: rowToDelete
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}
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}
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))) {
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rowToDelete.remove();
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afterDomManipulation();
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}
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}
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element.addEventListener('click', () => {
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const clone = template.content.cloneNode(true);
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clone.querySelectorAll('input, select, textarea').forEach(child => {
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child.name = child.name.replace(nameToReplace, startWithId + created);
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});
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clone.querySelectorAll(removeSelector).forEach(child => {
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child.onclick = removeRow(child);
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});
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if (element.dispatchEvent(new CustomEvent(
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'beforeStampInsert',
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{
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detail: {
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i: startWithId + created,
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node: clone
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},
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cancelable: true
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}
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))) {
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element.before(clone);
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afterDomManipulation();
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created++;
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}
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});
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container.querySelectorAll(removeSelector).forEach(child => {
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child.onclick = removeRow(child);
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});
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}
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export default formStamp;
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