<?php
  /**
   * @package dompdf
   * @link    http://www.dompdf.com/
   * @author  Benj Carson <benjcarson@digitaljunkies.ca>
   * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
   * @version $Id: block_positioner.cls.php 448 2011-11-13 13:00:03Z fabien.menager $
   */
  
  /**
   * Positions block frames
   *
   * @access private
   * @package dompdf
   */
  class Block_Positioner extends Positioner {
  
  
    function __construct(Frame_Decorator $frame) { parent::__construct($frame); }
    
    //........................................................................
  
    function position() {
      $frame = $this->_frame;
      $style = $frame->get_style();
      $cb = $frame->get_containing_block();
      $p = $frame->find_block_parent();
      
      if ( $p ) {
        $float = $style->float;
        if ( !DOMPDF_ENABLE_CSS_FLOAT || !$float || $float === "none" ) {
          $p->add_line(true);
        }
        $y = $p->get_current_line_box()->y;
        
      } else
        $y = $cb["y"];
  
      $x = $cb["x"];
  
      // Relative positionning
      if ( $style->position === "relative" ) {
        $top =    $style->length_in_pt($style->top,    $cb["h"]);
        //$right =  $style->length_in_pt($style->right,  $cb["w"]);
        //$bottom = $style->length_in_pt($style->bottom, $cb["h"]);
        $left =   $style->length_in_pt($style->left,   $cb["w"]);
        
        $x += $left;
        $y += $top;
      }
      
      $frame->set_position($x, $y);
    }
  }