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   1  <?php
   2  //--------------------------------------------------------------------------------
   3  // Copyright 2003 Procata, Inc.
   4  // Released under the LGPL license (http://www.gnu.org/copyleft/lesser.html)
   5  //--------------------------------------------------------------------------------
   6  /**
   7  * @package WACT_COMPONENT
   8  * @version $Id: widgets.inc.php,v 1.1 2004/02/11 22:25:12 jeffmoore Exp $
   9  */
  10  //--------------------------------------------------------------------------------
  11  
  12  /**
  13  * Widgets are runtime components which have no compile time template tag.
  14  * They can be created and added by the PHP script controlling the template.
  15  */
  16  
  17  
  18  /**
  19  * Allows plain text to be added
  20  * Widgets are runtime components which have no compile time template tag.
  21  * They can be created and added by the PHP script controlling the template.
  22  * @see http://wact.sourceforge.net/index.php/TextWidget
  23  * @access public
  24  * @package WACT_COMPONENT
  25  */
  26  class TextWidget extends Component {
  27      /**
  28      * Text to add
  29      * @var string
  30      */
  31      var $text;
  32  
  33      /**
  34      * Constructs TextComponent
  35      * @param string text to add
  36      * @access public
  37      */
  38  	function TextWidget($text) {
  39          $this->text = $text;
  40          $this->IsDynamicallyRendered = TRUE;
  41      }
  42  
  43      /**
  44      * Override parent method to prevent use of children
  45      * @return void
  46      * @access public
  47      */
  48  	function addChild() {
  49          // Should we kick an error message here?
  50      }
  51  
  52      /**
  53      * Outputs the text Widget.
  54      * @return void
  55      * @access public
  56      */
  57  	function render() {
  58          echo ( htmlspecialchars($this->text, ENT_NOQUOTES) );
  59      }
  60  }
  61  
  62  /**
  63  * Allows a tag to be created, which cannot contain children e.g. img
  64  * @see http://wact.sourceforge.net/index.php/TagWidget
  65  * @access public
  66  * @package WACT_COMPONENT
  67  */
  68  class TagWidget extends TagComponent {
  69      /**
  70      * Name of the tag
  71      * @var string
  72      * @access private
  73      */
  74      var $tag;
  75      
  76      /**
  77      * Whether the tag is closing or not
  78      * @var boolean
  79      * @access private
  80      */
  81      var $closing = true;
  82      
  83      /**
  84      * Constructs TagWidget
  85      * @param string name of tag
  86      * @param boolean whether tag is closing
  87      * @access public
  88      */
  89  	function TagWidget($tag,$closing=true) {
  90          $this->tag = htmlspecialchars($tag,ENT_QUOTES);
  91          $this->closing = $closing;
  92          $this->IsDynamicallyRendered = TRUE;
  93      }
  94      
  95      /**
  96      * Override parent method to prevent use of children
  97      * @return void
  98      * @access public
  99      */
 100  	function addChild() {
 101          // Should we kick an error message here?
 102      }
 103  
 104      /**
 105      * Outputs the tag
 106      * @return void
 107      * @access public
 108      */
 109  	function render() {
 110          echo ( '<'.$this->tag );
 111          echo ( $this->renderAttributes());
 112          if ( $this->closing )
 113              echo ( '/>' );
 114          else
 115              echo ( '>' );
 116      }
 117  }
 118  
 119  /**
 120  * Allows a tag to be created, which can contain children
 121  * @see http://wact.sourceforge.net/index.php/TagContainerWidget
 122  * @access public
 123  * @package WACT_COMPONENT
 124  */
 125  class TagContainerWidget extends TagComponent {
 126      /**
 127      * Name of the tag
 128      * @var string
 129      * @access private
 130      */
 131      var $tag;
 132      
 133      /**
 134      * Constructs TagContainerWidget
 135      * @param string name of tag
 136      * @param boolean whether tag is closing
 137      * @access public
 138      */
 139  	function TagContainerWidget($tag) {
 140          $this->tag = htmlspecialchars($tag, ENT_QUOTES);
 141          $this->IsDynamicallyRendered = TRUE;
 142      }
 143      
 144      /**
 145      * Outputs the tag, rendering any child components as well
 146      * @return void
 147      * @access public
 148      */
 149  	function render() {
 150          echo ( '<'.$this->tag );
 151          echo ( $this->renderAttributes().'>');
 152          parent :: render();
 153          echo ( '</'.$this->tag.'>' );
 154      }
 155  }
 156  ?>