<?php

class AdminEventsHandler extends kDBEventHandler {

	function mapPermissions()
	{
		parent::mapPermissions();
		$permissions = Array(
			'OnSaveColumns'		=>	array('self' => true),
			'OnClosePopup'		=>	array('self' => true),
		);
		$this->permMapping = array_merge($this->permMapping, $permissions);
	}

	function OnResetModRwCache(&$event)
	{
		$this->Conn->Query('DELETE FROM '.TABLE_PREFIX.'Cache WHERE VarName LIKE "mod_rw%"');
	}

	function OnResetCMSMenuCache(&$event)
	{
		$this->Conn->Query('DELETE FROM '.TABLE_PREFIX.'Cache WHERE VarName = "cms_menu"');
	}

	function OnResetSections(&$event)
	{
		$this->Conn->Query('DELETE FROM '.TABLE_PREFIX.'Cache WHERE VarName = "sections_parsed"');
	}

	function OnResetConfigsCache(&$event)
	{
		$this->Conn->Query('DELETE FROM '.TABLE_PREFIX.'Cache WHERE VarName = "config_files" OR VarName = "configs_parsed" OR VarName = "sections_parsed"');
	}

	/**
	 * Refreshes ThemeFiles & Theme tables by actual content on HDD
	 *
	 * @param kEvent $event
	 */
	function OnRebuildThemes(&$event)
	{
		$themes_helper =& $this->Application->recallObject('ThemesHelper');
		/* @var $themes_helper kThemesHelper */

		$themes_helper->refreshThemes();
	}

	function OnSaveColumns(&$event) {
		$picker_helper =& $this->Application->RecallObject('ColumnPickerHelper');
		$picker_helper->SetGridName($this->Application->GetLinkedVar('grid_name'));
		/* @var $picker_helper kColumnPickerHelper */

		$picked = trim($this->Application->GetVar('picked_str'), '|');
		$hidden = trim($this->Application->GetVar('hidden_str'), '|');

		$main_prefix = $this->Application->GetVar('main_prefix');

		$picker_helper->SaveColumns($main_prefix, $picked, $hidden);
		$this->finalizePopup($event);
	}

	/**
	 * Just closes popup & deletes last_template & opener_stack if popup, that is closing
	 *
	 * @param kEvent $event
	 */
	function OnClosePopup(&$event)
	{
		$event->SetRedirectParam('opener', 'u');
	}

	/**
	 * Occurs right after initialization of the kernel, used mainly as hook-to event
	 *
	 * @param kEvent $event
	 */
	function OnStartup(&$event)
	{
		
	}

	/**
	 * Is called after tree was build (when not from cache)
	 *
	 * @param kEvent $event
	 */
	function OnAfterBuildTree(&$event)
	{

	}

}