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Created: Wed, Oct 8, 5:33 AM

translator_event_handler.php
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	<?php
	/**
	* @version $Id: translator_event_handler.php 16513 2017-01-20 14:10:53Z alex $
	* @package In-Portal
	* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
	* @license GNU/GPL
	* In-Portal is Open Source software.
	* This means that this software may have been modified pursuant
	* the GNU General Public License, and as distributed it includes
	* or is derivative of works licensed under the GNU General Public License
	* or other free or open source software licenses.
	* See http://www.in-portal.org/license for copyright notices and details.
	*/

	defined('FULL_PATH') or die('restricted access!');

	class TranslatorEventHandler extends kDBEventHandler
	{
	/**
	* Allows to override standard permission mapping
	*
	* @return void
	* @access protected
	* @see kEventHandler::$permMapping
	*/
	protected function mapPermissions()
	{
	parent::mapPermissions();

	$permissions = Array(
	'OnChangeLanguage' => Array('subitem' => 'add\|edit'),
	'OnSaveAndClose' => Array('subitem' => 'add\|edit'),
	);

	$this->permMapping = array_merge($this->permMapping, $permissions);
	}

	/**
	* Check permission of item, that being translated
	*
	* @param kEvent $event
	* @return bool
	* @access public
	*/
	public function CheckPermission(kEvent $event)
	{
	list($prefix, ) = $this->getPrefixAndField($event);

	$top_prefix = $this->Application->GetTopmostPrefix($prefix, true);
	$event->setEventParam('top_prefix', $top_prefix);

	return parent::CheckPermission($event);
	}


	/**
	* Returns prefix and field being translated
	*
	* @param kEvent $event
	*/
	function getPrefixAndField($event)
	{
	$field = $this->Application->GetVar($event->getPrefixSpecial(true).'_field');

	if (strpos($field,':') !== false) {
	list($prefix, $field) = explode(':', $field);
	}
	else {
	$prefix = $this->Application->GetVar($event->getPrefixSpecial(true).'_prefix');
	}
	return Array($prefix, $field);
	}

	/**
	* Loads record to be translated
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnLoad($event)
	{
	list($obj_prefix, $field) = $this->getPrefixAndField($event);

	/** @var kDBItem $object */
	$object = $this->Application->recallObject($obj_prefix);

	/** @var kDBItem $translator */
	$translator = $event->getObject();

	$def_lang = $this->Application->GetDefaultLanguageId();

	$current_lang = $translator->GetDBField('Language');
	if (!$current_lang) $current_lang = $this->Application->RecallVar('trans_lang');
	if (!$current_lang) $current_lang = $this->Application->GetVar('m_lang');
	/*if ($current_lang == $def_lang) {
	$current_lang = $def_lang + 1;
	}*/
	$this->Application->StoreVar('trans_lang', $current_lang); //remember translation language for user friendlyness

	$translator->SetID(1);
	$translator->SetDBField('Original', $object->GetDBField('l'.$this->Application->GetVar('m_lang').'_'.$field));
	$translator->SetDBField('Language', $current_lang);
	$translator->SetDBField('SwitchLanguage', $current_lang);

	$translator->SetDBField('Translation', $object->GetDBField('l'.$current_lang.'_'.$field));

	/** @var LanguagesItem $cur_lang */
	$cur_lang = $this->Application->recallObject('lang.current');

	$cur_lang->Load($current_lang);

	$translator->SetDBField('Charset', CHARSET);

	$event->redirect = false;
	}

	/**
	* Saves changes into temporary table and closes editing window
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnSaveAndClose($event)
	{
	$event->CallSubEvent('OnPreSave');

	$event->SetRedirectParam('opener', 'u');
	}

	/**
	* Saves edited item into temp table
	* If there is no id, new item is created in temp table
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnPreSave(kEvent $event)
	{
	/** @var kDBItem $translator */
	$translator = $event->getObject();

	$field_values = $this->getSubmittedFields($event);
	$translator->SetFieldsFromHash($field_values);
	$event->setEventParam('form_data', $field_values);

	list($obj_prefix, $field) = $this->getPrefixAndField($event);

	/** @var kDBItem $object */
	$object = $this->Application->recallObject($obj_prefix);

	$lang = $translator->GetDBField('Language');

	$object->SetFieldOptions('l' . $lang . '_' . $field, Array ());
	$object->SetDBField('l' . $lang . '_' . $field, $translator->GetDBField('Translation'));
	$this->RemoveRequiredFields($object);
	$object->Update();
	}

	/**
	* Changes current language in translation popup
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnChangeLanguage($event)
	{
	$event->CallSubEvent('OnPreSave');

	/** @var kDBItem $object */
	$object = $event->getObject();

	$object->SetDBField('Language', $object->GetDBField('SwitchLanguage'));

	$event->CallSubEvent('OnLoad');
	$event->redirect = false;
	}

	}

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