199 lines
8.3 KiB
JavaScript
199 lines
8.3 KiB
JavaScript
/**
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* @copyright (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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Joomla = window.Joomla || {};
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((Joomla, document) => {
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Joomla.hideAssociation = (formControl, languageCode) => {
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document.querySelectorAll('#associations .control-group').forEach(element => {
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// Current selected language. Hide it
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const el = element.querySelector('.control-label label');
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if (el) {
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const attribute = el.getAttribute('for');
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if (attribute.replace(/_name$/, '') === `${formControl}_associations_${languageCode.replace('-', '_')}`) {
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element.classList.add('hidden');
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}
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}
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});
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};
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Joomla.showAssociationMessage = () => {
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const associations = document.getElementById('associations');
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if (associations) {
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const html = document.createElement('joomla-alert');
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html.innerText = Joomla.Text._('JGLOBAL_ASSOC_NOT_POSSIBLE');
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associations.insertAdjacentElement('afterbegin', html);
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}
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document.querySelectorAll('#associations .control-group').forEach(element => {
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element.classList.add('hidden');
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});
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};
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/**
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* Inject associations into other association fields
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*
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* This function is called whenever the Ajax request within propagateAssociation() completes
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* successfully.
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* Its purpose is to inject the associations which have been returned in the Ajax response into
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* the other association fields in the form.
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* It does this by invoking the various callback functions of those association fields (i.e. the
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* function which gets called whenever the administrator selects an association via the modal),
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* and passing the appropriate associated record details.
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*
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* @param result The response from the Ajax request.
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* Its structure is that generated by the JResponseJson class,
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* with the data field containing the associations
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* @param callbackFunctionPrefix The name of the callback function which the modal window uses
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* to set the selected item as the association, but minus the
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* language tag at the end
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*
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* @return boolean
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*
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* @since 3.9.0
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*/
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Joomla.injectAssociations = (result, callbackFunctionPrefix) => {
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let functionName;
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if (result.success) {
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if (result.data.length !== 0) {
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Object.keys(result.data).forEach(lang => {
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functionName = callbackFunctionPrefix + lang.replace('-', '_');
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window[functionName](result.data[lang].id, result.data[lang].title, result.data[lang].catid, null, null, lang);
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});
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}
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if (result.message) {
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Joomla.renderMessages({
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notice: [result.message]
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});
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}
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} else {
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Joomla.renderMessages({
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warning: [Joomla.Text._('JGLOBAL_ASSOCIATIONS_PROPAGATE_FAILED')]
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});
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}
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};
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/**
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* Propagate associations from this field into other association fields
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*
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* This function is called whenever an administrator populates an association (in the association
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* modal field) and then clicks on the Propagate button.
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* The purpose of this function is to find what other records (if any) are associated with the
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* one which the administrator has selected, and populate the other association fields with these
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* records. (Otherwise, if the administrator just clicks on Save without clicking on Propagate,
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* those other associations will be deleted). It does this by finding the id of the selected
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* associated record (from a hidden field) and makes an Ajax call to the server to find the other
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* associations, also passing up the language of the record currently being edited, as it should
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* be excluded. Once it has received from the server the other associations it calls
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* injectAssociations to inject them into the other association fields within the form.
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*
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* @param fieldPrefix The stem of the html ids for the elements comprising the
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* modal field
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* @param callbackFunctionPrefix The name of the callback function which the modal window uses
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* to set the selected item as the association, but minus the
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* language tag at the end
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*
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* @return boolean
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*
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* @since 3.9.0
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*/
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Joomla.propagateAssociation = (fieldPrefix, callbackFunctionPrefix) => {
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// Find the id of the record which has been set as an association
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const assocId = document.getElementById(`${fieldPrefix}_id`).value;
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// Find the language of the record being edited
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const languageField = document.getElementById('jform_language');
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const currentLang = languageField.options[languageField.selectedIndex].value;
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const data = {
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task: 'ajax.fetchAssociations',
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format: 'json',
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assocId,
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excludeLang: currentLang
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};
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data[Joomla.getOptions('csrf.token', '')] = 1;
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const queryString = Object.keys(data).reduce((a, k) => {
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a.push(`${k}=${encodeURIComponent(data[k])}`);
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return a;
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}, []).join('&');
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const url = `${document.forms.adminForm.action}&${queryString}`;
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Joomla.request({
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// Find the action url associated with the form - we need to add the token to this
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url,
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method: 'GET',
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data: JSON.stringify(data),
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headers: {
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'Content-Type': 'application/json'
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},
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onSuccess: response => {
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Joomla.injectAssociations(JSON.parse(response), callbackFunctionPrefix);
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},
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onError: () => {
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Joomla.renderMessages({
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warning: [Joomla.Text._('JGLOBAL_ASSOCIATIONS_PROPAGATE_FAILED')]
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});
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}
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});
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return false;
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};
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document.addEventListener('DOMContentLoaded', () => {
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const associationsEditOptions = Joomla.getOptions('system.associations.edit');
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const formControl = associationsEditOptions.formControl || 'jform';
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const formControlLanguage = document.getElementById(`${formControl}_language`);
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// Hide the associations tab if needed
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if (parseInt(associationsEditOptions.hidden, 10) === 1) {
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Joomla.showAssociationMessage();
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} else if (formControlLanguage) {
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// Hide only the associations for the current language
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Joomla.hideAssociation(formControl, formControlLanguage.value);
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}
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// When changing the language
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if (formControlLanguage) {
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formControlLanguage.addEventListener('change', ({
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target
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}) => {
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// Remove message if any
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Joomla.removeMessages();
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let existsAssociations = false;
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/** For each language, remove the associations, ie,
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* empty the associations fields and reset the buttons to Select/Create
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*/
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document.querySelectorAll('#associations .control-group').forEach(element => {
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const attribute = element.querySelector('.control-label label').getAttribute('for');
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const languageCode = attribute.replace('_name', '').replace('jform_associations_', '');
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// Show the association fields
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element.classList.remove('hidden');
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// Check if there was an association selected for this language
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if (!existsAssociations && document.getElementById(`${formControl}_associations_${languageCode}_id`).value !== '') {
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existsAssociations = true;
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}
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// Call the modal clear button
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let clear = document.getElementById(`${formControl}_associations_${languageCode}_clear`);
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clear = clear || element.querySelector('[data-button-action="clear"]');
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clear.click();
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});
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// If associations existed, send a warning to the user
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if (existsAssociations) {
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Joomla.renderMessages({
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warning: [Joomla.Text._('JGLOBAL_ASSOCIATIONS_RESET_WARNING')]
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});
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}
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// If the selected language is All hide the fields and add a message
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const selectedLanguage = target.value;
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if (selectedLanguage === '*') {
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Joomla.showAssociationMessage();
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} else {
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// Else show the associations fields/buttons and hide the current selected language
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Joomla.hideAssociation(formControl, selectedLanguage);
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}
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});
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}
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});
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})(Joomla, document);
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