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Created: Thu, Sep 25, 11:51 PM

themes_eh.php
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	<?php
	/**
	* @version $Id: themes_eh.php 12960 2009-12-20 13:11:53Z 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 ThemesEventHandler extends kDBEventHandler {

	/**
	* Allows to override standart permission mapping
	*
	*/
	function mapPermissions()
	{
	parent::mapPermissions();
	$permissions = Array(
	'OnItemBuild' => Array('self' => true),
	'OnChangeTheme' => Array('self' => true),
	);

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

	/**
	* Allows to set selected theme as primary
	*
	* @param kEvent $event
	*/
	function OnSetPrimary(&$event)
	{
	if ($this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1)) {
	$event->status = erFAIL;
	return;
	}

	$ids = $this->StoreSelectedIDs($event);
	if ($ids) {
	$id = array_shift($ids);
	$this->setPrimary($id);

	$rebuild_event = new kEvent('adm:OnRebuildThemes');
	$this->Application->HandleEvent($rebuild_event);
	}

	$this->clearSelectedIDs($event);
	}

	function setPrimary($id)
	{
	$id_field = $this->Application->getUnitOption($this->Prefix, 'IDField');
	$table_name = $this->Application->getUnitOption($this->Prefix, 'TableName');

	$sql = 'UPDATE '.$table_name.'
	SET PrimaryTheme = 0';
	$this->Conn->Query($sql);


	$sql = 'UPDATE '.$table_name.'
	SET PrimaryTheme = 1, Enabled = 1
	WHERE '.$id_field.' = '.$id;
	$this->Conn->Query($sql);
	}

	/**
	* Set's primary theme (when checkbox used on editing form)
	*
	* @param kEvent $event
	*/
	function OnAfterCopyToLive(&$event)
	{
	$object =& $this->Application->recallObject($event->Prefix.'.-item', null, Array('skip_autoload' => true, 'live_table' => true));
	/* @var $object kDBItem */

	$object->Load($event->getEventParam('id'));

	if ($object->GetDBField('PrimaryTheme')) {
	$this->setPrimary($event->getEventParam('id'));
	}
	}

	/**
	* Also rebuilds theme files, when enabled theme is saved
	*
	* @param kEvent $event
	*/
	function OnSave(&$event)
	{
	parent::OnSave($event);

	if (($event->status != erSUCCESS) \|\| !$event->getEventParam('ids')) {
	return ;
	}

	$ids = $event->getEventParam('ids');

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

	$sql = 'SELECT COUNT(*)
	FROM ' . $table_name . '
	WHERE ' . $id_field . ' IN (' . $ids . ') AND (Enabled = 1)';
	$enabled_themes = $this->Conn->GetOne($sql);

	if ($enabled_themes) {
	$rebuild_event = new kEvent('adm:OnRebuildThemes');
	$this->Application->HandleEvent($rebuild_event);
	}
	}

	/**
	* Allows to change the theme
	*
	* @param kEvent $event
	*/
	function OnChangeTheme(&$event)
	{
	if ($this->Application->isAdminUser) {
	// for structure theme dropdown
	$this->Application->StoreVar('theme_id', $this->Application->GetVar('theme'));
	$this->Application->StoreVar('RefreshStructureTree', 1);
	return ;
	}

	$this->Application->SetVar('t', 'index');
	$this->Application->SetVar('m_cat_id', 0);

	if (MOD_REWRITE) {
	$mod_rewrite_helper =& $this->Application->recallObject('ModRewriteHelper');
	/* @var $mod_rewrite_helper kModRewriteHelper */

	$mod_rewrite_helper->removePages();
	}

	$this->Application->SetVar('m_theme', $this->Application->GetVar('theme'));
	}

	/**
	* Apply system filter to themes list
	*
	* @param kEvent $event
	*/
	function SetCustomQuery(&$event)
	{
	parent::SetCustomQuery($event);

	if ($event->Special == 'enabled' \|\| !$this->Application->isAdminUser) {
	// "enabled" special or Front-End

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

	$object->addFilter('enabled_filter', '%1$s.Enabled = 1');
	}
	}
	}

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