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File: LanguageSettingsForm.inc.php
<?php

/**
 * @file classes/manager/form/LanguageSettingsForm.inc.php
 *
 * Copyright (c) 2013-2019 Simon Fraser University
 * Copyright (c) 2003-2019 John Willinsky
 * Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
 *
 * @class LanguageSettingsForm
 * @ingroup manager_form
 *
 * @brief Form for modifying journal language settings.
 */

import('lib.pkp.classes.form.Form');

class LanguageSettingsForm extends Form {

	/** @var array the setting names */
	var $settings;

	/** @var array set of locales available for journal use */
	var $availableLocales;

	/**
	 * Constructor.
	 */
	function LanguageSettingsForm() {
		parent::Form('manager/languageSettings.tpl');

		$this->settings = array(
			'supportedLocales' => 'object',
			'supportedSubmissionLocales' => 'object',
			'supportedFormLocales' => 'object'
		);

		$site =& Request::getSite();
		$this->availableLocales = $site->getSupportedLocales();

		$localeCheck = create_function('$locale,$availableLocales', 'return in_array($locale,$availableLocales);');

		// Validation checks for this form
		$this->addCheck(new FormValidator($this, 'primaryLocale', 'required', 'manager.languages.form.primaryLocaleRequired'), array('AppLocale', 'isLocaleValid'));
		$this->addCheck(new FormValidator($this, 'primaryLocale', 'required', 'manager.languages.form.primaryLocaleRequired'), $localeCheck, array(&$this->availableLocales));
		$this->addCheck(new FormValidatorPost($this));
	}

	/**
	 * Display the form.
	 */
	function display() {
		$templateMgr =& TemplateManager::getManager();
		$site =& Request::getSite();
		$templateMgr->assign('availableLocales', $site->getSupportedLocaleNames());
		$templateMgr->assign('helpTopicId','journal.managementPages.languages');
		parent::display();
	}

	/**
	 * Initialize form data from current settings.
	 */
	function initData() {
		$journal =& Request::getJournal();
		foreach ($this->settings as $settingName => $settingType) {
			$this->_data[$settingName] = $journal->getSetting($settingName);
		}

		$this->setData('primaryLocale', $journal->getPrimaryLocale());

		foreach (array('supportedFormLocales', 'supportedSubmissionLocales', 'supportedLocales') as $name) {
			if ($this->getData($name) == null || !is_array($this->getData($name))) {
				$this->setData($name, array());
			}
		}
		return parent::initData();
	}

	/**
	 * Assign form data to user-submitted data.
	 */
	function readInputData() {
		$vars = array_keys($this->settings);
		$vars[] = 'primaryLocale';
		$this->readUserVars($vars);

		foreach (array('supportedFormLocales', 'supportedSubmissionLocales', 'supportedLocales') as $name) {
			if ($this->getData($name) == null || !is_array($this->getData($name))) {
				$this->setData($name, array());
			}
		}
	}

	/**
	 * Save modified settings.
	 */
	function execute() {
		$journal =& Request::getJournal();
		$settingsDao =& DAORegistry::getDAO('JournalSettingsDAO');

		// Verify additional locales
		foreach (array('supportedLocales', 'supportedSubmissionLocales', 'supportedFormLocales') as $name) {
			$$name = array();
			foreach ($this->getData($name) as $locale) {
				if (AppLocale::isLocaleValid($locale) && in_array($locale, $this->availableLocales)) {
					array_push($$name, $locale);
				}
			}
		}

		$primaryLocale = $this->getData('primaryLocale');

		// Make sure at least the primary locale is chosen as available
		if ($primaryLocale != null && !empty($primaryLocale)) {
			foreach (array('supportedLocales', 'supportedSubmissionLocales', 'supportedFormLocales') as $name) {
				if (!in_array($primaryLocale, $$name)) {
					array_push($$name, $primaryLocale);
				}
			}
		}
		$this->setData('supportedLocales', $supportedLocales);
		$this->setData('supportedSubmissionLocales', $supportedSubmissionLocales);
		$this->setData('supportedFormLocales', $supportedFormLocales);
		parent::execute();

		foreach ($this->_data as $name => $value) {
			if (!in_array($name, array_keys($this->settings))) continue;
			$settingsDao->updateSetting(
				$journal->getId(),
				$name,
				$value,
				$this->settings[$name]
			);
		}

		$journalDao =& DAORegistry::getDAO('JournalDAO');
		$journal->setPrimaryLocale($this->getData('primaryLocale'));
		$journalDao->updateJournal($journal);
	}
}

?>