<?php

	class StylesheetsEventHandler extends InpDBEventHandler 
	{
	
		/**
		 * Compile stylesheet file based on theme definitions
		 *
		 * @param kEvent $event
		 */
		function OnCompileStylesheet(&$event)
		{
			$this->Application->setUnitOption($event->Prefix,'AutoLoad',false);
			$object =& $event->getObject();
			$object->SwitchToLive();
			
			$ids = explode(',', $event->MasterEvent->getEventParam('ids') );
			
			if($ids)
			{
				$this->Application->setUnitOption('selectors','AutoLoad',false);
				$selector_item =& $this->Application->recallObject('selectors.item', 'selectors', Array('live_table'=>true) );
				$parent_field = $this->Application->getUnitOption($selector_item->Prefix,'ForeignKey');
				
				$sql_template = 'SELECT '.$selector_item->IDField.' FROM '.$selector_item->TableName.' WHERE '.$parent_field.' = %s';
				
				foreach($ids as $id)
				{
					$object->Load($id);
					$selectors_ids = $this->Conn->GetCol( sprintf($sql_template,$id) );
					$ret = '/* This file is generated automatically. Don\'t edit it manually ! */'."\n\n";
					
					foreach($selectors_ids as $selector_id)
					{
						$selector_item->Load($selector_id);
						$ret .= $selector_item->CompileStyle()."\n";
					}
					
					$ret .= $object->GetDBField('AdvancedCSS');
					
					$compile_ts = time();		
					$css_path = DOC_ROOT.BASE_PATH.'/kernel/stylesheets/';
					
					$css_file = $css_path.strtolower($object->GetDBField('Name')).'-'.$compile_ts.'.css';
					
					$fp = fopen($css_file,'w');
					if($fp)
					{
						$prev_css = $css_path.strtolower($object->GetDBField('Name')).'-'.$object->GetDBField('LastCompiled').'.css';
						if( file_exists($prev_css) ) unlink($prev_css);
						
						fwrite($fp, $ret);
						fclose($fp);
						
						$object->SetDBField('LastCompiled_date', $compile_ts);
						$object->SetDBField('LastCompiled_time', $compile_ts);
						$object->Update();
					}
				}
			}
		}
		
		
	}

?>