history.php

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<?php
class dataface_actions_history {

        function handle(&$params){
                $app =& Dataface_Application::getInstance();
                $record =& $app->getRecord();
                $context = array();
                if ( !$record ) return PEAR::raiseError("No record is currently selected", DATAFACE_E_ERROR);
                
                $history_tablename = $record->_table->tablename.'__history';
                if ( !Dataface_Table::tableExists($history_tablename) )
                        $context['error'] = PEAR::raiseError("This record has no history yet recorded.", DATAFACE_E_NOTICE);
                else {
                        import('Dataface/HistoryTool.php');
                        $history_tool = new Dataface_HistoryTool();
                        $history_log = $history_tool->getHistoryLog($record);
                        $context['log'] =& $history_log;
                        
                        
                        // let's make a query string for the current record
                        //current_record_qstr
                        
                        $keys = array_keys($record->_table->keys());
                        $qstr = array();
                        foreach ( $keys as $key){
                                $qstr[] = urlencode('--__keys__['.$key.']').'='.urlencode($record->strval($key));
                        }
                        $context['current_record_qstr'] = implode('&',$qstr);
                }
                
                df_display($context, 'Dataface_RecordHistory.html');
        }

}

?>