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dompdf/src/Positioner/Inline.php 2.23 KB
670b6d6f8   tuan   2016/09/22 - Copy...
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  <?php
  /**
   * @package dompdf
   * @link    http://dompdf.github.com/
   * @author  Benj Carson <benjcarson@digitaljunkies.ca>
   * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
   */
  
  namespace Dompdf\Positioner;
  
  use Dompdf\FrameDecorator\AbstractFrameDecorator;
  use Dompdf\FrameDecorator\Inline as InlineFrameDecorator;
  use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
  use Dompdf\Exception;
  
  /**
   * Positions inline frames
   *
   * @package dompdf
   */
  class Inline extends AbstractPositioner
  {
  
      function __construct(AbstractFrameDecorator $frame)
      {
          parent::__construct($frame);
      }
  
      //........................................................................
  
      function position()
      {
          /**
           * Find our nearest block level parent and access its lines property.
           * @var BlockFrameDecorator
           */
          $p = $this->_frame->find_block_parent();
  
          // Debugging code:
  
  //     Helpers::pre_r("
  Positioning:");
  //     Helpers::pre_r("Me: " . $this->_frame->get_node()->nodeName . " (" . spl_object_hash($this->_frame->get_node()) . ")");
  //     Helpers::pre_r("Parent: " . $p->get_node()->nodeName . " (" . spl_object_hash($p->get_node()) . ")");
  
          // End debugging
  
          if (!$p)
              throw new Exception("No block-level parent found.  Not good.");
  
          $f = $this->_frame;
  
          $cb = $f->get_containing_block();
          $line = $p->get_current_line_box();
  
          // Skip the page break if in a fixed position element
          $is_fixed = false;
          while ($f = $f->get_parent()) {
              if ($f->get_style()->position === "fixed") {
                  $is_fixed = true;
                  break;
              }
          }
  
          $f = $this->_frame;
  
          if (!$is_fixed && $f->get_parent() &&
              $f->get_parent() instanceof InlineFrameDecorator &&
              $f->is_text_node()
          ) {
  
              $min_max = $f->get_reflower()->get_min_max_width();
  
              // If the frame doesn't fit in the current line, a line break occurs
              if ($min_max["min"] > ($cb["w"] - $line->left - $line->w - $line->right)) {
                  $p->add_line();
              }
          }
  
          $f->set_position($cb["x"] + $line->w, $line->y);
  
      }
  }