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   1  <?php
   2  /*
   3   * Limb PHP Framework
   4   *
   5   * @link http://limb-project.com 
   6   * @copyright  Copyright &copy; 2004-2007 BIT(http://bit-creative.com)
   7   * @license    LGPL http://www.gnu.org/copyleft/lesser.html 
   8   */
   9  
  10  
  11  /**

  12   * The parent compile time component for lists

  13   * @tag list:LIST

  14   * @convert_to_expression from

  15   * @package wact
  16   * @version $Id: list.tag.php 5945 2007-06-06 08:31:43Z pachanga $
  17   */
  18  class WactListListTag extends WactRuntimeComponentTag
  19  {
  20    protected $runtimeIncludeFile = 'limb/wact/src/components/list/WactListComponent.class.php';
  21    protected $runtimeComponentName = 'WactListComponent';
  22  
  23    function generateTagContent($code_writer)
  24    {
  25      if ($this->hasAttribute('from'))
  26      {
  27        $code_writer->writePHP($this->getComponentRefCode() . '->registerDataset(');
  28        $this->attributeNodes['from']->generateExpression($code_writer);
  29        $code_writer->writePHP(');' . "\n");
  30      }
  31  
  32      $code_writer->writePHP($this->getComponentRefCode() . '->rewind();' . "\n");
  33      $code_writer->writePHP('if (' . $this->getComponentRefCode() . '->valid()) {' . "\n");
  34  
  35      parent :: generateTagContent($code_writer);
  36  
  37      $code_writer->writePHP('}' . "\n");
  38  
  39      $emptyChild = $this->findImmediateChildByClass('WactListDefaultTag');
  40      if ($emptyChild)
  41      {
  42        $code_writer->writePHP(' else { ' . "\n");
  43        $emptyChild->generateNow($code_writer);
  44        $code_writer->writePHP('}' . "\n");
  45      }
  46    }
  47  }
  48  ?>