PHP Piwik_DataTable::addSummaryRow方法代碼示例

 /**
  * Adds a summary row to the given data table
  *
  * @param Piwik_DataTable  $table
  */
 public function filter($table)
 {
     if ($table->getRowsCount() <= $this->startRowToSummarize + 1) {
         return;
     }
     $table->filter('Sort', array($this->columnToSortByBeforeTruncating, 'desc'));
     $rows = $table->getRows();
     $count = $table->getRowsCount();
     $newRow = new Piwik_DataTable_Row();
     for ($i = $this->startRowToSummarize; $i < $count; $i++) {
         if (!isset($rows[$i])) {
             // case when the last row is a summary row, it is not indexed by $cout but by Piwik_DataTable::ID_SUMMARY_ROW
             $summaryRow = $table->getRowFromId(Piwik_DataTable::ID_SUMMARY_ROW);
             //FIXME: I'm not sure why it could return false, but it was reported in: http://forum.piwik.org/read.php?2,89324,page=1#msg-89442
             if ($summaryRow) {
                 $newRow->sumRow($summaryRow, $enableCopyMetadata = false);
             }
         } else {
             $newRow->sumRow($rows[$i], $enableCopyMetadata = false);
         }
     }
     $newRow->setColumns(array('label' => $this->labelSummaryRow) + $newRow->getColumns());
     if ($this->deleteRows) {
         $table->filter('Limit', array(0, $this->startRowToSummarize));
     }
     $table->addSummaryRow($newRow);
     unset($rows);
 }

 /**
  * Limits the given data table
  *
  * @param Piwik_DataTable  $table
  */
 public function filter($table)
 {
     $table->setRowsCountBeforeLimitFilter();
     if ($this->keepSummaryRow) {
         $summaryRow = $table->getRowFromId(Piwik_DataTable::ID_SUMMARY_ROW);
     }
     // we delete from 0 to offset
     if ($this->offset > 0) {
         $table->deleteRowsOffset(0, $this->offset);
     }
     // at this point the array has offset less elements. We delete from limit to the end
     if ($this->limit >= 0) {
         $table->deleteRowsOffset($this->limit);
     }
     if ($this->keepSummaryRow && $summaryRow) {
         $table->addSummaryRow($summaryRow);
     }
 }

 /**
  * Generates a dataTable given a multidimensional PHP array that associates LABELS to Piwik_DataTableRows
  * This is used for the "Actions" DataTable, where a line is the aggregate of all the subtables
  * Example: the category /blog has 3 visits because it has /blog/index (2 visits) + /blog/about (1 visit)
  *
  * @param array  $table
  * @param array  $parents
  * @return Piwik_DataTable
  */
 public static function generateDataTable($table, $parents = array())
 {
     $dataTableToReturn = new Piwik_DataTable();
     foreach ($table as $label => $maybeDatatableRow) {
         // case the aInfo is a subtable-like array
         // it means that we have to go recursively and process it
         // then we build the row that is an aggregate of all the children
         // and we associate this row to the subtable
         if (!$maybeDatatableRow instanceof Piwik_DataTable_Row) {
             array_push($parents, array($dataTableToReturn->getId(), $label));
             $subTable = self::generateDataTable($maybeDatatableRow, $parents);
             $subTable->setParents($parents);
             $row = new Piwik_DataTable_Row_DataTableSummary($subTable);
             $row->setColumns(array('label' => $label) + $row->getColumns());
             $row->addSubtable($subTable);
             array_pop($parents);
         } else {
             $row = $maybeDatatableRow;
         }
         if ($row->getMetadata('issummaryrow') == true) {
             $row->deleteMetadata('issummaryrow');
             $dataTableToReturn->addSummaryRow($row);
         } else {
             $dataTableToReturn->addRow($row);
         }
     }
     return $dataTableToReturn;
 }