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themes_eh.php
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Tue, Oct 7, 8:07 AM

themes_eh.php
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<?php
/**
* @version $Id: themes_eh.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 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);
}
/**
* Ensure, that current object is always taken from live table.
*
* @param kDBBase|kDBItem|kDBList $object Object.
* @param kEvent $event Event.
*
* @return void
*/
protected function dbBuild(&$object, kEvent $event)
{
if ( $event->Special == 'current' ) {
$event->setEventParam('live_table', true);
}
parent::dbBuild($object, $event);
}
/**
* Ensures that current theme detection will fallback to primary without extra DB query.
*
* @param kEvent $event Event.
*
* @return integer
*/
public function getPassedID(kEvent $event)
{
if ( $event->Special == 'current' ) {
$theme_id = $this->Application->GetVar('m_theme');
if ( !$theme_id ) {
$theme_id = 'default';
}
else {
$event->setEventParam(kEvent::FLAG_ID_FROM_REQUEST, true);
}
$this->Application->SetVar('m_theme', $theme_id);
$this->Application->SetVar($event->getPrefixSpecial() . '_id', $theme_id);
return $theme_id;
}
return parent::getPassedID($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)
{
$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);
}
/**
* Validate entered stylesheet path.
*
* @param kEvent $event Event.
*
* @return void
*/
protected function OnBeforeItemUpdate(kEvent $event)
{
parent::OnBeforeItemUpdate($event);
/** @var ThemeItem $object */
$object = $event->getObject();
if ( $object->GetDBField('StylesheetFile') && !$object->getStylesheetFile() ) {
$object->SetError('StylesheetFile', 'not_found');
}
}
/**
* 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);
/** @var kDBItem $object */
$object = $this->Application->recallObject($event->Prefix . '.-item', null, Array ('skip_autoload' => true, 'live_table' => true));
$object->Load($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 ;
}
$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 ) {
$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);
/** @var kDBList $object */
$object = $event->getObject();
if ( in_array($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' ) {
/** @var EditPickerHelper $edit_picker_helper */
$edit_picker_helper = $this->Application->recallObject('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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