125 lines
4 KiB
JavaScript
125 lines
4 KiB
JavaScript
import $ from 'jquery';
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import '../utils/storage';
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const sessionKey = 'grav:admin:pages';
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if (!sessionStorage.getItem(sessionKey)) {
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sessionStorage.setItem(sessionKey, '{}');
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}
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export default class PagesTree {
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constructor(query, elements = undefined) {
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this.query = query;
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this.elements = $(elements !== undefined ? elements : this.query);
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this.session = JSON.parse(sessionStorage.getItem(sessionKey) || '{}');
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if (!this.elements.length) { return; }
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this.restore();
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this.elements.find('.page-icon').on('click', (event) => this.toggle(event.target));
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this.elements.data('tree_init', 1);
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$('[data-page-toggleall]').on('click', (event) => {
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let element = $(event.target).closest('[data-page-toggleall]');
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let action = element.data('page-toggleall');
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this[action]();
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});
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}
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reload() {
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const elements = $(this.query).filter((index, element) => !$(element).data('tree_init'));
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if (!elements.length) { return; }
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this.constructor(this.query, elements);
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}
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toggle(elements, dontStore = false) {
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if (typeof elements === 'string') {
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elements = $(`[data-nav-id="${elements}"]`).find('[data-toggle="children"]');
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}
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elements = $(elements || this.elements);
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elements.each((index, element) => {
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element = $(element);
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let state = this.getState(element.closest('[data-toggle="children"]'));
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this[state.isOpen ? 'collapse' : 'expand'](state.id, dontStore);
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});
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}
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collapse(elements, dontStore = false) {
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if (typeof elements === 'string') {
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elements = $(`[data-nav-id="${elements}"]`).find('[data-toggle="children"]');
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}
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elements = $(elements || this.elements);
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elements.each((index, element) => {
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element = $(element);
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let state = this.getState(element);
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if (state.isOpen) {
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state.children.hide();
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state.icon.removeClass('children-open').addClass('children-closed');
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if (!dontStore) { delete this.session[state.id]; }
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}
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});
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if (!dontStore) { this.save(); }
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}
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expand(elements, dontStore = false) {
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if (typeof elements === 'string') {
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let element = $(`[data-nav-id="${elements}"]`);
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let parents = element.parents('[data-nav-id]');
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// loop back through parents, we don't want to expand an hidden child
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if (parents.length) {
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parents = parents.find('[data-toggle="children"]:first');
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parents = parents.add(element.find('[data-toggle="children"]:first'));
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return this.expand(parents, dontStore);
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}
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elements = element.find('[data-toggle="children"]:first');
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}
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elements = $(elements || this.elements);
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elements.each((index, element) => {
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element = $(element);
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let state = this.getState(element);
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if (!state.isOpen) {
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state.children.show();
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state.icon.removeClass('children-closed').addClass('children-open');
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if (!dontStore) { this.session[state.id] = 1; }
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}
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});
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if (!dontStore) { this.save(); }
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}
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restore() {
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this.collapse(null, true);
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Object.keys(this.session).forEach((key) => {
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this.expand(key, 'no-store');
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});
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}
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save() {
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return sessionStorage.setItem(sessionKey, JSON.stringify(this.session));
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}
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getState(element) {
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element = $(element);
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return {
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id: element.closest('[data-nav-id]').data('nav-id'),
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children: element.closest('li.page-item').find('ul:first'),
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icon: element.find('.page-icon'),
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get isOpen() { return this.icon.hasClass('children-open'); }
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};
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}
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}
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let Instance = new PagesTree('[data-toggle="children"]');
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export { Instance };
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