[Sommaire] [Imprimer]

   1  <?php
   2  
   3  /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
   4  
   5  /**
   6   * Image_Graph - PEAR PHP OO Graph Rendering Utility.
   7   *
   8   * PHP versions 4 and 5
   9   *
  10   * LICENSE: This library is free software; you can redistribute it and/or modify
  11   * it under the terms of the GNU Lesser General Public License as published by
  12   * the Free Software Foundation; either version 2.1 of the License, or (at your
  13   * option) any later version. This library is distributed in the hope that it
  14   * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  15   * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
  16   * General Public License for more details. You should have received a copy of
  17   * the GNU Lesser General Public License along with this library; if not, write
  18   * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19   * 02111-1307 USA
  20   *
  21   * @category   Images
  22   * @package    Image_Graph
  23   * @subpackage Layout
  24   * @author     Jesper Veggerby <pear.nosey@veggerby.dk>
  25   * @copyright  Copyright (C) 2003, 2004 Jesper Veggerby Hansen
  26   * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
  27   * @version    CVS: $Id: Vertical.php,v 1.6 2005/02/21 20:49:55 nosey Exp $
  28   * @link       http://pear.php.net/package/Image_Graph
  29   */
  30  
  31  /**
  32   * Include file Image/Graph/Layout/Horizontal.php
  33   */
  34  require_once  'Image/Graph/Layout/Horizontal.php';
  35  
  36  /**
  37   * Layout for displaying two elements on top of each other.
  38   *
  39   * This splits the area contained by this element in two on top of each other
  40   * by a specified percentage (relative to the top). A layout can be nested.
  41   * Fx. a {@link Image_Graph_Layout_Horizontal} can layout two VerticalLayout's to
  42   * make a 2 by 2 matrix of 'element-areas'.
  43   *
  44   * @category   Images
  45   * @package    Image_Graph
  46   * @subpackage Layout
  47   * @author     Jesper Veggerby <pear.nosey@veggerby.dk>
  48   * @copyright  Copyright (C) 2003, 2004 Jesper Veggerby Hansen
  49   * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
  50   * @version    Release: 0.7.2
  51   * @link       http://pear.php.net/package/Image_Graph
  52   */
  53  class Image_Graph_Layout_Vertical extends Image_Graph_Layout_Horizontal
  54  {
  55  
  56      /**
  57       * Gets the absolute size of one of the parts.
  58       *
  59       * @param string $part The name of the part - auto_part(1|2)
  60       * @return int The number of pixels the edge should be pushed
  61       * @since 0.3.0dev2
  62       * @access private
  63       */
  64      function _getAbsolute(&$part)
  65      {
  66          $part1Size = $this->_part1->_getAutoSize();
  67          $part2Size = $this->_part2->_getAutoSize();
  68          $this->_percentage = false;
  69          if (($part1Size !== false) and ($part2Size !== false)) {
  70              $height = $this->_fillHeight() * $part1Size / ($part1Size + $part2Size);
  71          } elseif ($part1Size !== false) {
  72              $height = $part1Size;
  73          } elseif ($part2Size !== false) {
  74              $height = -$part2Size;
  75          } else {
  76              $height = $this->_fillHeight() / 2;
  77          }
  78  
  79          if ($part == 'auto_part2') {
  80  //            $height = $this->_fillHeight() - $height;
  81          }
  82  
  83          return $height;
  84      }
  85  
  86      /**
  87       * Splits the layout between the parts, by the specified percentage
  88       *
  89       * @access private
  90       */
  91      function _split()
  92      {
  93          if (($this->_part1) && ($this->_part2)) {
  94              if ($this->_percentage !== false) {
  95                  $split1 = 100 - $this->_percentage;
  96                  $split2 = $this->_percentage;
  97                  $this->_part1->_push('bottom', "$split1%");
  98                  $this->_part2->_push('top', "$split2%");
  99              } else {
 100                  $this->_part1->_push('bottom', 'auto_part1');
 101                  $this->_part2->_push('top', 'auto_part2');
 102              }
 103          }
 104      }
 105  
 106  }
 107  
 108  ?>