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   1  <?php
   2  /**
   3   * TControlAdapter class file.
   4   *
   5   * @author Qiang Xue <qiang.xue@gmail.com>
   6   * @link http://www.pradosoft.com/
   7   * @copyright Copyright &copy; 2005 PradoSoft
   8   * @license http://www.pradosoft.com/license/
   9   * @version $Id: TControlAdapter.php 1397 2006-09-07 07:55:53Z wei $
  10   * @package System.Web.UI
  11   */
  12  
  13  /**
  14   * TControlAdapter class
  15   *
  16   * TControlAdapter is the base class for adapters that customize
  17   * various behaviors for the control to which the adapter is attached.
  18   *
  19   * @author Qiang Xue <qiang.xue@gmail.com>
  20   * @version $Id: TControlAdapter.php 1397 2006-09-07 07:55:53Z wei $
  21   * @package System.Web.UI
  22   * @since 3.0
  23   */
  24  class TControlAdapter extends TApplicationComponent
  25  {
  26      /**
  27       * @var TControl the control to which the adapter is attached
  28       */
  29      private $_control;
  30  
  31      /**
  32       * Constructor.
  33       * @param TControl the control to which the adapter is attached
  34       */
  35  	public function __construct($control)
  36      {
  37          $this->_control=$control;
  38      }
  39  
  40      /**
  41       * @return TControl the control to which this adapter is attached
  42       */
  43  	public function getControl()
  44      {
  45          return $this->_control;
  46      }
  47  
  48      /**
  49       * @return TPage the page that contains the attached control
  50       */
  51  	public function getPage()
  52      {
  53          return $this->_control?$this->_control->getPage():null;
  54      }
  55  
  56      /**
  57       * Creates child controls for the attached control.
  58       * Default implementation calls the attached control's corresponding method.
  59       */
  60  	public function createChildControls()
  61      {
  62          $this->_control->createChildControls();
  63      }
  64  
  65      /**
  66       * Loads additional persistent control state.
  67       * Default implementation calls the attached control's corresponding method.
  68       */
  69  	public function loadState()
  70      {
  71          $this->_control->loadState();
  72      }
  73  
  74      /**
  75       * Saves additional persistent control state.
  76       * Default implementation calls the attached control's corresponding method.
  77       */
  78  	public function saveState()
  79      {
  80          $this->_control->saveState();
  81      }
  82  
  83      /**
  84       * This method is invoked when the control enters 'OnInit' stage.
  85       * Default implementation calls the attached control's corresponding method.
  86       * @param TEventParameter event parameter to be passed to the event handlers
  87       */
  88  	public function onInit($param)
  89      {
  90          $this->_control->onInit($param);
  91      }
  92  
  93      /**
  94       * This method is invoked when the control enters 'OnLoad' stage.
  95       * Default implementation calls the attached control's corresponding method.
  96       * @param TEventParameter event parameter to be passed to the event handlers
  97       */
  98  	public function onLoad($param)
  99      {
 100          $this->_control->onLoad($param);
 101      }
 102  
 103      /**
 104       * This method is invoked when the control enters 'OnPreRender' stage.
 105       * Default implementation calls the attached control's corresponding method.
 106       * @param TEventParameter event parameter to be passed to the event handlers
 107       */
 108  	public function onPreRender($param)
 109      {
 110          $this->_control->onPreRender($param);
 111      }
 112  
 113      /**
 114       * This method is invoked when the control enters 'OnUnload' stage.
 115       * Default implementation calls the attached control's corresponding method.
 116       * @param TEventParameter event parameter to be passed to the event handlers
 117       */
 118  	public function onUnload($param)
 119      {
 120          $this->_control->onUnload($param);
 121      }
 122  
 123      /**
 124       * This method is invoked when the control renders itself.
 125       * Default implementation calls the attached control's corresponding method.
 126       * @param THtmlWriter writer for the rendering purpose
 127       */
 128  	public function render($writer)
 129      {
 130          $this->_control->render($writer);
 131      }
 132  
 133      /**
 134       * Renders the control's children.
 135       * Default implementation calls the attached control's corresponding method.
 136       * @param THtmlWriter writer for the rendering purpose
 137       */
 138  	public function renderChildren($writer)
 139      {
 140          $this->_control->renderChildren($writer);
 141      }
 142  }
 143  
 144  ?>