[Sommaire] [Imprimer]

   1  <?php
   2  
   3  require_once  'Horde/Browser.php';
   4  require_once  'Horde/Block/Collection.php';
   5  
   6  /**
   7   * The Horde_Block_Layout_View class represents the user defined portal layout.
   8   *
   9   * $Horde: framework/Block/Block/Layout/View.php,v 1.4.2.3 2006/06/23 04:35:21 chuck Exp $
  10   *
  11   * Copyright 2003-2006 Mike Cochrane <mike@graftonhall.co.nz>
  12   * Copyright 2003-2006 Jan Schneider <jan@horde.org>
  13   *
  14   * See the enclosed file COPYING for license information (LGPL). If you
  15   * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
  16   *
  17   * @author  Mike Cochrane <mike@graftonhall.co.nz>
  18   * @author  Jan Schneider <jan@horde.org>
  19   * @since   Horde 3.2
  20   * @package Horde_Block
  21   */
  22  class Horde_Block_Layout_View {
  23  
  24      /**
  25       * The current block layout.
  26       *
  27       * @var array
  28       */
  29      var $_layout = array();
  30  
  31      /**
  32       * All applications used in this layout.
  33       *
  34       * @var array
  35       */
  36      var $_applications = array();
  37  
  38      /**
  39       * CSS link tags pulled out of block content.
  40       *
  41       * @var array
  42       */
  43      var $_linkTags = array();
  44  
  45      /**
  46       * Constructor.
  47       */
  48      function Horde_Block_Layout_View($layout = '')
  49      {
  50          $this->_layout = @unserialize($layout);
  51          if (!$this->_layout) {
  52              $this->_layout = array();
  53          }
  54      }
  55  
  56      /**
  57       * Render the current layout as HTML.
  58       *
  59       * @return string HTML layout.
  60       */
  61      function toHtml()
  62      {
  63          $browser = &Browser::singleton();
  64          $tplDir = $GLOBALS['registry']->get('templates', 'horde');
  65          $interval = $GLOBALS['prefs']->getValue('summary_refresh_time');
  66  
  67          $html = '<table class="nopadding" cellspacing="6" width="100%">';
  68  
  69          $covered = array();
  70          foreach ($this->_layout as $row_num => $row) {
  71              $width = floor(100 / count($row));
  72              $html .= '<tr>';
  73              foreach ($row as $col_num => $item) {
  74                  if (isset($covered[$row_num]) && isset($covered[$row_num][$col_num])) {
  75                      continue;
  76                  }
  77                  if (is_array($item)) {
  78                      $this->_applications[$item['app']] = $item['app'];
  79                      $block = &Horde_Block_Collection::getBlock($item['app'], $item['params']['type'], $item['params']['params']);
  80                      $rowspan = $item['height'];
  81                      $colspan = $item['width'];
  82                      $width *= $colspan;
  83                      for ($i = 0; $i < $item['height']; $i++) {
  84                          if (!isset($covered[$row_num + $i])) {
  85                              $covered[$row_num + $i] = array();
  86                          }
  87                          for ($j = 0; $j < $item['width']; $j++) {
  88                              $covered[$row_num + $i][$col_num + $j] = true;
  89                          }
  90                      }
  91                      if (is_a($block, 'PEAR_Error')) {
  92                          $header = _("Error");
  93                          $content = $block->getMessage();
  94                          ob_start();
  95                          include $tplDir . '/portal/block.inc';
  96                          $html .= ob_get_clean();
  97                      } elseif (is_a($block, 'Horde_Block')) {
  98                          $header = $block->getTitle();
  99                          $content = $block->getContent();
 100                          ob_start();
 101                          include $tplDir . '/portal/block.inc';
 102                          $html .= ob_get_clean();
 103                      } else {
 104                          $html .= '<td width="' . $width . '%">&nbsp;</td>';
 105                      }
 106                  } else {
 107                      $html .= '<td width="' . $width . '%">&nbsp;</td>';
 108                  }
 109              }
 110              $html .= '</tr>';
 111          }
 112          $html .= '</table>';
 113  
 114          // Strip any CSS <link> tags out of the returned content so
 115          // they can be handled seperately.
 116          if (preg_match_all('/<link .*?rel="stylesheet".*?\/>/', $html, $links)) {
 117              $html = str_replace($links[0], '', $html);
 118              $this->_linkTags = $links[0];
 119          }
 120  
 121          return $html;
 122      }
 123  
 124      /**
 125       * Get any link tags found in the view.
 126       */
 127      function getLinkTags()
 128      {
 129          return $this->_linkTags;
 130      }
 131  
 132      /**
 133       * Return a list of all the applications used by blocks in this layout.
 134       *
 135       * @return array List of applications.
 136       */
 137      function getApplications()
 138      {
 139          return array_keys($this->_applications);
 140      }
 141  
 142  }