vendor/dompdf/dompdf/src/FrameDecorator/TableRowGroup.php

   1 <?php
   2 /**
   3  * @package dompdf
   4  * @link    http://dompdf.github.com/
   5  * @author  Benj Carson <benjcarson@digitaljunkies.ca>
   6  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
   7  */
   8 namespace Dompdf\FrameDecorator;
   9
  10 use Dompdf\Dompdf;
  11 use Dompdf\Frame;
  12
  13 /**
  14  * Table row group decorator
  15  *
  16  * Overrides split() method for tbody, thead & tfoot elements
  17  *
  18  * @package dompdf
  19  */
  20 class TableRowGroup extends AbstractFrameDecorator
  21 {
  22
  23     /**
  24      * Class constructor
  25      *
  26      * @param Frame $frame   Frame to decorate
  27      * @param Dompdf $dompdf Current dompdf instance
  28      */
  29     function __construct(Frame $frame, Dompdf $dompdf)
  30     {
  31         parent::__construct($frame, $dompdf);
  32     }
  33
  34     /**
  35      * Override split() to remove all child rows and this element from the cellmap
  36      *
  37      * @param Frame $child
  38      * @param bool $force_pagebreak
  39      *
  40      * @return void
  41      */
  42     function split(Frame $child = null, $force_pagebreak = false)
  43     {
  44         if (is_null($child)) {
  45             parent::split();
  46             return;
  47         }
  48
  49         // Remove child & all subsequent rows from the cellmap
  50         $cellmap = $this->get_parent()->get_cellmap();
  51         $iter = $child;
  52
  53         while ($iter) {
  54             $cellmap->remove_row($iter);
  55             $iter = $iter->get_next_sibling();
  56         }
  57
  58         // If we are splitting at the first child remove the
  59         // table-row-group from the cellmap as well
  60         if ($child === $this->get_first_child()) {
  61             $cellmap->remove_row_group($this);
  62             parent::split();
  63             return;
  64         }
  65
  66         $cellmap->update_row_group($this, $child->get_prev_sibling());
  67         parent::split($child);
  68     }
  69 }
  70