actions/view_history_record_details.php

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<?php
class dataface_actions_view_history_record_details {
        function handle(&$params){
                $app =& Dataface_Application::getInstance();
                if ( !@$_GET['history__id'] ){
                        return PEAR::raiseError('No history id supplied', DATAFACE_E_ERROR);
                }
                $historyid = $_GET['history__id'];
                $query =& $app->getQuery();
                $table = $query['-table'];
                
                import('Dataface/HistoryTool.php');
                $ht = new Dataface_HistoryTool();
                if ( @$_GET['-show_changes'] ){
                        $record = $ht->getDiffs($table, $historyid);
                } else {
                        $record = $ht->getRecordById($table, $historyid);
                }
                if ( !$record ) return PEAR::raiseError("No history record for table {$table} with history id {$historyid} could be found", DATAFACE_E_ERROR);
                if ( PEAR::isError($record) ) return $record;
                
                $context = array('history_record'=>&$record);
                
                $t =& Dataface_Table::loadTable($table);
                $numfields = count($t->fields());
                $pts = 0;
                $ppf = array();
                foreach ($t->fields() as $field){
                        if ( $t->isText($field['name']) ){
                                $pts+=5;
                                $ppf[$field['name']] = $pts;
                        } else {
                                $pts++;
                                $ppf[$field['name']] = $pts;
                        }
                }
                
                $firstField = null;
                $threshold = floatval(floatval($pts)/floatval(2));
                foreach ( $t->fields()  as $field){
                        if ( $ppf[$field['name']] >= $threshold ){
                                $firstField = $field['name'];
                                break;
                        }
                }
                
                $context['first_field_second_col'] = $firstField;
                $context['changes'] = @$_GET['-show_changes'];
                $context['table'] =& $t;
                df_display($context, 'Dataface_HistoryRecordDetails.html');
                
        }

}
?>