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Created: Fri, Nov 21, 5:14 AM

themes_eh.php
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	<?php
	/**
	* @version $Id: themes_eh.php 15698 2013-02-19 11:33:17Z 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 standard permission mapping
	*
	* @return void
	* @access protected
	* @see kEventHandler::$permMapping
	*/
	protected function mapPermissions()
	{
	parent::mapPermissions();

	$permissions = Array(
	'OnChangeTheme' => Array('self' => true),
	);

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

	/**
	* Checks user permission to execute given $event
	*
	* @param kEvent $event
	* @return bool
	* @access public
	*/
	public function CheckPermission(kEvent $event)
	{
	if ( $event->Name == 'OnItemBuild' ) {
	// check permission without using $event->getSection(),
	// so first cache rebuild won't lead to "ldefault_Name" field being used
	return true;
	}

	return parent::CheckPermission($event);
	}

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

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

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

	$this->clearSelectedIDs($event);
	}

	function setPrimary($id)
	{
	$config = $this->getUnitConfig();
	$table_name = $config->getTableName();

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


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

	/**
	* Set's primary theme (when checkbox used on editing form)
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnAfterCopyToLive(kEvent $event)
	{
	parent::OnAfterCopyToLive($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
	* @return void
	* @access protected
	*/
	protected function OnSave(kEvent $event)
	{
	parent::OnSave($event);

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

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

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

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

	/**
	* 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);

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

	/**
	* Apply system filter to themes list
	*
	* @param kEvent $event
	* @return void
	* @access protected
	* @see kDBEventHandler::OnListBuild()
	*/
	protected function SetCustomQuery(kEvent $event)
	{
	parent::SetCustomQuery($event);

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

	if ( in_array($event->Special, Array ('enabled', 'selected', 'available')) \|\| !$this->Application->isAdminUser ) {
	// "enabled" special or Front-End
	$object->addFilter('enabled_filter', '%1$s.Enabled = ' . STATUS_ACTIVE);
	}

	// site domain theme picker
	if ( $event->Special == 'selected' \|\| $event->Special == 'available' ) {
	$edit_picker_helper = $this->Application->recallObject('EditPickerHelper');
	/* @var $edit_picker_helper EditPickerHelper */

	$edit_picker_helper->applyFilter($event, 'Themes');
	}

	// apply domain-based theme filtering
	$themes = $this->Application->siteDomainField('Themes');

	if ( strlen($themes) ) {
	$themes = explode('\|', substr($themes, 1, -1));
	$object->addFilter('domain_filter', '%1$s.ThemeId IN (' . implode(',', $themes) . ')');
	}
	}
	}

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