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   1  <?PHP
   2  /**
   3   * patTemplate function that enables you to insert any
   4   * template, that has been loaded previously into the
   5   * current template.
   6   *
   7   * You may pass any variables to the template.
   8   *
   9   * $Id: Call.php 10381 2008-06-01 03:35:53Z pasamio $
  10   *
  11   * @package        patTemplate
  12   * @subpackage    Functions
  13   * @author        Stephan Schmidt <schst@php.net>
  14   */
  15  
  16  // Check to ensure this file is within the rest of the framework
  17  defined('JPATH_BASE') or die();
  18  
  19  /**
  20   * template does not exist
  21   */
  22  define( 'PATTEMPLATE_FUNCTION_CALL_ERROR_NO_TEMPLATE', 'patTemplate::Function::Call::NT' );
  23  
  24  /**
  25   * patTemplate function that enables you to insert any
  26   * template, that has been loaded previously into the
  27   * current template.
  28   *
  29   * You may pass any variables to the template.
  30   *
  31   * $Id: Call.php 10381 2008-06-01 03:35:53Z pasamio $
  32   *
  33   * @package        patTemplate
  34   * @subpackage    Functions
  35   * @author        Stephan Schmidt <schst@php.net>
  36   */
  37  class patTemplate_Function_Call extends patTemplate_Function
  38  {
  39      /**
  40      * name of the function
  41      * @access    private
  42      * @var        string
  43      */
  44      var $_name    =    'Call';
  45  
  46      /**
  47      * reference to the patTemplate object that instantiated the module
  48      *
  49      * @access    protected
  50      * @var    object
  51      */
  52      var    $_tmpl;
  53  
  54      /**
  55      * set a reference to the patTemplate object that instantiated the reader
  56      *
  57      * @access    public
  58      * @param    object        patTemplate object
  59      */
  60  	function setTemplateReference( &$tmpl )
  61      {
  62          $this->_tmpl = &$tmpl;
  63      }
  64  
  65      /**
  66      * call the function
  67      *
  68      * @access    public
  69      * @param    array    parameters of the function (= attributes of the tag)
  70      * @param    string    content of the tag
  71      * @return    string    content to insert into the template
  72      */
  73  	function call( $params, $content )
  74      {
  75          // get the name of the template to use
  76          if (isset($params['template'])) {
  77              $tmpl = $params['template'];
  78              unset( $params['template'] );
  79          } elseif (isset($params['_originalTag'])) {
  80              $tmpl = $params['_originalTag'];
  81              unset( $params['_originalTag'] );
  82          } else {
  83              return patErrorManager::raiseError( PATTEMPLATE_FUNCTION_CALL_ERROR_NO_TEMPLATE, 'No template for Call function specified.' );
  84          }
  85  
  86          if (!$this->_tmpl->exists( $tmpl )) {
  87  
  88              $tmpl = strtolower($tmpl);
  89  
  90              // try some autoloading magic
  91              $componentLocation  = $this->_tmpl->getOption('componentFolder');
  92              $componentExtension = $this->_tmpl->getOption('componentExtension');
  93              $filename = $componentLocation . '/' . $tmpl . '.' . $componentExtension;
  94              $this->_tmpl->readTemplatesFromInput($filename);
  95  
  96              // still does not exist
  97              if( !$this->_tmpl->exists( $tmpl ) ) {
  98                  return patErrorManager::raiseError( PATTEMPLATE_FUNCTION_CALL_ERROR_NO_TEMPLATE, 'Template '.$tmpl.' does not exist' );
  99              }
 100          }
 101  
 102          /**
 103           * clear template and all of its dependencies
 104           */
 105          $this->_tmpl->clearTemplate( $tmpl, true );
 106  
 107          /**
 108           * add variables
 109           */
 110          $this->_tmpl->addVars( $tmpl, $params );
 111          $this->_tmpl->addVar( $tmpl, 'CONTENT', $content );
 112  
 113          /**
 114           * get content
 115           */
 116          return $this->_tmpl->getParsedTemplate( $tmpl );
 117      }
 118  }
 119  ?>