phrases_event_handler.php
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Created: Sat, Feb 1, 9:08 AM

phrases_event_handler.php
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	<?php
	/**
	* @version $Id: phrases_event_handler.php 12734 2009-10-20 19:28:11Z 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 PhrasesEventHandler extends kDBEventHandler
	{
	/**
	* Apply some special processing to
	* object beeing recalled before using
	* it in other events that call prepareObject
	*
	* @param Object $object
	* @param kEvent $event
	* @access protected
	*/
	function prepareObject(&$object, &$event)
	{
	// don't call parent

	if ($event->Special == 'import') {
	$object->setRequired('LangFile', true);
	$object->setRequired('Phrase', false);
	$object->setRequired('Translation', false);

	// allow multiple phrase types to be selected during import
	$field_options = $object->GetFieldOptions('PhraseType');
	$field_options['type'] = 'string';
	$object->SetFieldOptions('PhraseType', $field_options);
	}
	}

	/**
	* Allow to create phrases from front end in debug mode with DBG_PHRASES constant set
	*
	* @param kEvent $event
	*/
	function CheckPermission(&$event)
	{
	if (!$this->Application->isAdmin && $this->Application->isDebugMode() && constOn('DBG_PHRASES')) {
	$allow_events = Array ('OnCreate', 'OnUpdate');

	if (in_array($event->Name, $allow_events)) {
	return true;
	}
	}

	return parent::CheckPermission($event);
	}

	function mapPermissions()
	{
	parent::mapPermissions();

	$permissions = Array (
	'OnItemBuild' => Array('self' => true, 'subitem' => true),
	'OnNew' => Array('self' => true, 'subitem' => true),
	'OnPrepareUpdate' => Array('self' => true, 'subitem' => true),
	);

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

	/**
	* Forces new label in case if issued from get link
	*
	* @param kEvent $event
	*/
	function OnNew(&$event)
	{
	parent::OnNew($event);
	$label = $this->Application->GetVar('phrases_label');

	$object =& $event->getObject( $label ? Array('live_table' => true, 'skip_autoload' => true) : Array('skip_autoload' => true) );
	if ($label) {
	$object->SetDBField('Phrase', $label);
	// phrase is created in language, used to display phrases
	$object->SetDBField('LanguageId', $this->Application->GetVar('m_lang'));
	$object->SetDBField('PhraseType', 1);

	$primary_language = $this->Application->GetDefaultLanguageId();
	$live_table = $this->Application->getUnitOption($event->Prefix, 'TableName');
	$sql = 'SELECT Translation FROM %s WHERE Phrase = %s';
	$primary_value = $this->Conn->GetOne( sprintf($sql, $live_table, $this->Conn->qstr($label) ) );
	$object->SetDBField('PrimaryTranslation', $primary_value);
	}

	$last_module = $this->Application->GetVar('last_module');
	if ($last_module) {
	$object->SetDBField('Module', $last_module);
	}

	if ($event->Special == 'export' \|\| $event->Special == 'import') {
	$object->SetDBField('PhraseType', '\|0\|1\|2\|');
	$modules = $this->Conn->GetCol('SELECT Name FROM '.TABLE_PREFIX.'Modules');
	$object->SetDBField('Module', '\|'.implode('\|', $modules).'\|' );
	}
	}

	/**
	* Prepares existing phrase editing
	*
	* @param kEvent $event
	*/
	function OnPrepareUpdate(&$event)
	{
	$language_id = $this->Application->GetVar('m_lang');
	$label = $this->Application->GetVar('phrases_label');

	$table_name = $this->Application->getUnitOption($event->Prefix, 'TableName');
	$label_idfield = $this->Application->getUnitOption($event->Prefix, 'IDField');

	$sql = 'SELECT ' . $label_idfield . '
	FROM ' . $table_name . '
	WHERE Phrase = '.$this->Conn->qstr($label).' AND LanguageId = '.(int)$language_id;
	$this->Application->SetVar($event->getPrefixSpecial() . '_id', $this->Conn->GetOne($sql));

	$event->redirect = false;
	}

	/**
	* Forces create to use live table
	*
	* @param kEvent $event
	*/
	function OnCreate(&$event)
	{
	if ( $this->Application->GetVar($event->Prefix . '_label') ) {
	$object =& $event->getObject( Array('skip_autoload' => true) );

	if ($this->Application->GetVar('m_lang') != $this->Application->GetVar('lang_id')) {
	$object->SwitchToLive();
	}
	}

	parent::OnCreate($event);
	}

	/**
	* Set last change info, when phrase is created
	*
	* @param kEvent $event
	*/
	function OnBeforeItemCreate(&$event)
	{
	parent::OnBeforeItemCreate($event);

	$this->_setPhraseKey($event);
	$this->_setLastUpdated($event);
	}

	/**
	* Update last change info, when phrase is updated
	*
	* @param kEvent $event
	*/
	function OnBeforeItemUpdate(&$event)
	{
	parent::OnBeforeItemUpdate($event);

	$this->_setPhraseKey($event);
	$this->_setLastUpdated($event);
	}

	/**
	* Set's phrase key, used for phrase updating and loading
	*
	* @param kEvent $event
	*/
	function _setPhraseKey(&$event)
	{
	$object =& $event->getObject();
	/* @var $object kDBItem */

	$object->SetDBField('PhraseKey', mb_strtoupper($object->GetDBField('Phrase')));
	}

	/**
	* Save phrase change date & ip translation was made from
	*
	* @param kEvent $event
	*/
	function _setLastUpdated(&$event)
	{
	$object =& $event->getObject();
	/* @var $object kDBItem */

	if ($object->GetOriginalField('Translation') != $object->GetDBField('Translation')) {
	$object->SetDBField('LastChanged_date', adodb_mktime() );
	$object->SetDBField('LastChanged_time', adodb_mktime() );
	$object->SetDBField('LastChangeIP', $_SERVER['REMOTE_ADDR']);
	}

	$this->Application->Session->SetCookie('last_module', $object->GetDBField('Module'));
	}

	/**
	* Changes default module to custom (when available)
	*
	* @param kEvent $event
	*/
	function OnAfterConfigRead(&$event)
	{
	parent::OnAfterConfigRead($event);

	if ($this->Application->findModule('Name', 'Custom')) {
	$fields = $this->Application->getUnitOption($event->Prefix, 'Fields');
	$fields['Module']['default'] = 'Custom';
	$this->Application->setUnitOption($event->Prefix, 'Fields', $fields);
	}
	}

	}

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