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56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
import Sortable from "sortablejs";
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class ShelfSort {
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constructor(elem) {
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this.elem = elem;
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this.input = document.getElementById('books-input');
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this.shelfBooksList = elem.querySelector('[shelf-sort-assigned-books]');
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this.initSortable();
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this.setupListeners();
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}
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initSortable() {
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const scrollBoxes = this.elem.querySelectorAll('.scroll-box');
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for (let scrollBox of scrollBoxes) {
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new Sortable(scrollBox, {
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group: 'shelf-books',
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ghostClass: 'primary-background-light',
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animation: 150,
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onSort: this.onChange.bind(this),
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});
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}
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}
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setupListeners() {
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this.elem.addEventListener('click', event => {
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const sortItem = event.target.closest('.scroll-box-item:not(.instruction)');
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if (sortItem) {
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event.preventDefault();
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this.sortItemClick(sortItem);
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}
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});
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}
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/**
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* Called when a sort item is clicked.
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* @param {Element} sortItem
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*/
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sortItemClick(sortItem) {
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const lists = this.elem.querySelectorAll('.scroll-box');
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const newList = Array.from(lists).filter(list => sortItem.parentElement !== list);
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if (newList.length > 0) {
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newList[0].appendChild(sortItem);
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}
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this.onChange();
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}
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onChange() {
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const shelfBookElems = Array.from(this.shelfBooksList.querySelectorAll('[data-id]'));
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this.input.value = shelfBookElems.map(elem => elem.getAttribute('data-id')).join(',');
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}
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}
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export default ShelfSort; |