BookStack/resources/assets/js/components/shelf-sort.js
2019-06-06 11:49:51 +01:00

56 lines
1.6 KiB
JavaScript

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