139 lines
4.9 KiB
JavaScript
139 lines
4.9 KiB
JavaScript
import $ from 'jquery';
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/* Dependencies for checking if changes happened since load on a form
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import toastr from '../utils/toastr';
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import { translations } from 'grav-config';
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import { Instance as FormState } from './state';
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*/
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export default class Form {
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constructor(form) {
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this.form = $(form);
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if (!this.form.length || this.form.prop('tagName').toLowerCase() !== 'form') { return; }
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/* Option for not saving while nothing in a form has changed
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this.form.on('submit', (event) => {
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if (FormState.equals()) {
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event.preventDefault();
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toastr.info(translations.PLUGIN_ADMIN.NOTHING_TO_SAVE);
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}
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}); */
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this._attachShortcuts();
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this._attachToggleables();
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this._attachDisabledFields();
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this._submitUncheckedFields();
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this.observer = new MutationObserver(this.addedNodes);
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this.form.each((index, form) => this.observer.observe(form, { subtree: true, childList: true }));
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}
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_attachShortcuts() {
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// CTRL + S / CMD + S - shortcut for [Save] when available
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let saveTask = $('#titlebar [name="task"][value="save"][form="blueprints"]');
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if (saveTask.length) {
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$(global).on('keydown', function(event) {
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const key = String.fromCharCode(event.which).toLowerCase();
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if (!event.shiftKey && ((event.ctrlKey && !event.altKey) || event.metaKey) && key === 's') {
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event.preventDefault();
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saveTask.click();
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}
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});
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}
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}
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_attachToggleables() {
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let query = '[data-grav-field="toggleable"] input[type="checkbox"]';
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this.form.on('change', query, (event) => {
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let toggle = $(event.target);
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let enabled = toggle.is(':checked');
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let parent = toggle.closest('.form-field');
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let label = parent.find('label.toggleable');
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let fields = parent.find('.form-data');
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let inputs = fields.find('input, select, textarea, button');
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label.add(fields).css('opacity', enabled ? '' : 0.7);
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inputs.map((index, input) => {
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let isSelectize = input.selectize;
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input = $(input);
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if (isSelectize) {
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isSelectize[enabled ? 'enable' : 'disable']();
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} else {
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input.prop('disabled', !enabled);
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}
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});
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});
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this.form.find(query).trigger('change');
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}
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_attachDisabledFields() {
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let prefix = '.form-field-toggleable .form-data';
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let query = [];
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['input', 'select', 'label[for]', 'textarea', '.selectize-control'].forEach((item) => {
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query.push(`${prefix} ${item}`);
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});
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this.form.on('mousedown', query.join(', '), (event) => {
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let input = $(event.target);
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let isFor = input.prop('for');
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let isSelectize = (input.hasClass('selectize-control') || input.parents('.selectize-control')).length;
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if (isFor) { input = $(`[id="${isFor}"]`); }
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if (isSelectize) { input = input.closest('.selectize-control').siblings('select[name]'); }
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if (!input.prop('disabled')) { return true; }
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let toggle = input.closest('.form-field').find('[data-grav-field="toggleable"] input[type="checkbox"]');
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toggle.trigger('click');
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});
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}
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_submitUncheckedFields() {
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let submitted = false;
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this.form.each((index, form) => {
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form = $(form);
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form.on('submit', () => {
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// workaround for MS Edge, submitting multiple forms at the same time
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if (submitted) { return false; }
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let formId = form.attr('id');
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let unchecked = form.find('input[type="checkbox"]:not(:checked):not(:disabled)');
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let submit = form.find('[type="submit"]').add(`[form="${formId}"][type="submit"]`);
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if (!unchecked.length) { return true; }
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submit.addClass('pointer-events-disabled');
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unchecked.each((index, element) => {
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element = $(element);
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let name = element.prop('name');
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let fake = $(`<input type="hidden" name="${name}" value="0" />`);
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form.append(fake);
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});
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submitted = true;
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return true;
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});
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});
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}
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addedNodes(mutations) {
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mutations.forEach((mutation) => {
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if (mutation.type !== 'childList') { return; }
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if (mutation.addedNodes) {
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$('body').trigger('mutation._grav', mutation.target, mutation, this);
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}
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if (mutation.removedNodes) {
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$('body').trigger('mutation_removed._grav', { target: mutation.target, mutation }, this);
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}
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});
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}
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}
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export let Instance = new Form('form#blueprints');
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