15     private $currentBlock;  variable in action_plugin_columns
50                     $this->currentBlock->openSection();
54                     $this->currentBlock->closeSection($c);
72         $this->currentBlock = $this->block[0];
118                 $this->currentBlock = new columns_block(count($this->block), $this->currentBlock);
119                 $this->currentBlock->addColumn($callIndex, $this->currentSectionLevel);
120                 $this->currentBlock->startSection($sectionEdit);
121                 $this->block[] = $this->currentBlock;
125                 $this->currentBlock->addColumn($callIndex, $this->currentSectionLevel);
126                 $this->currentBlock->startSection($sectionEdit);
130                 $this->currentBlock->endSection($sectionEdit);
131                 $this->currentBlock->close($callIndex);
132                 $this->currentBlock = $this->currentBlock->getParent();