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   1  <?php
   2  /* vim: set expandtab tabstop=4 shiftwidth=4: */
   3  // +----------------------------------------------------------------------+
   4  // | PHP Version 4                                                        |
   5  // +----------------------------------------------------------------------+
   6  // | Copyright (c) 1997-2003 The PHP Group                                |
   7  // +----------------------------------------------------------------------+
   8  // | This source file is subject to version 2.0 of the PHP license,       |
   9  // | that is bundled with this package in the file LICENSE, and is        |
  10  // | available at through the world-wide-web at                           |
  11  // | http://www.php.net/license/2_02.txt.                                 |
  12  // | If you did not receive a copy of the PHP license and are unable to   |
  13  // | obtain it through the world-wide-web, please send a note to          |
  14  // | license@php.net so we can mail you a copy immediately.               |
  15  // +----------------------------------------------------------------------+
  16  // | Authors: Alexey Borzov <avb@php.net>                                 |
  17  // +----------------------------------------------------------------------+
  18  //
  19  // $Id: xbutton.php,v 1.1 2005/12/06 01:50:39 matthieu_ Exp $
  20  
  21  require_once 'HTML/QuickForm/element.php';
  22  
  23  /**
  24   * Class for HTML 4.0 <button> element
  25   * 
  26   * @author  Alexey Borzov <avb@php.net>
  27   * @since   3.2.3
  28   * @access  public
  29   */
  30  class HTML_QuickForm_xbutton extends HTML_QuickForm_element
  31  {
  32     /**
  33      * Contents of the <button> tag
  34      * @var      string
  35      * @access   private
  36      */
  37      var $_content; 
  38  
  39     /**
  40      * Class constructor
  41      * 
  42      * @param    string  Button name
  43      * @param    string  Button content (HTML to add between <button></button> tags)
  44      * @param    mixed   Either a typical HTML attribute string or an associative array
  45      * @access   public
  46      */
  47      function HTML_QuickForm_xbutton($elementName = null, $elementContent = null, $attributes = null)
  48      {
  49          $this->HTML_QuickForm_element($elementName, null, $attributes);
  50          $this->setContent($elementContent);
  51          $this->setPersistantFreeze(false);
  52          $this->_type = 'xbutton';
  53      }
  54  
  55  
  56      function toHtml()
  57      {
  58          return '<button' . $this->getAttributes(true) . '>' . $this->_content . '</button>';
  59      }
  60  
  61  
  62      function getFrozenHtml()
  63      {
  64          return $this->toHtml();
  65      }
  66  
  67  
  68      function freeze()
  69      {
  70          return false;
  71      }
  72  
  73  
  74      function setName($name)
  75      {
  76          $this->updateAttributes(array(
  77              'name' => $name 
  78          ));
  79      }
  80  
  81  
  82      function getName()
  83      {
  84          return $this->getAttribute('name');
  85      }
  86  
  87  
  88      function setValue($value)
  89      {
  90          $this->updateAttributes(array(
  91              'value' => $value
  92          ));
  93      }
  94  
  95  
  96      function getValue()
  97      {
  98          return $this->getAttribute('value');
  99      }
 100  
 101  
 102     /**
 103      * Sets the contents of the button element
 104      *
 105      * @param    string  Button content (HTML to add between <button></button> tags)
 106      */
 107      function setContent($content)
 108      {
 109          $this->_content = $content;
 110      }
 111  
 112  
 113      function onQuickFormEvent($event, $arg, &$caller)
 114      {
 115          if ('updateValue' != $event) {
 116              return parent::onQuickFormEvent($event, $arg, $caller);
 117          } else {
 118              $value = $this->_findValue($caller->_constantValues);
 119              if (null === $value) {
 120                  $value = $this->_findValue($caller->_defaultValues);
 121              }
 122              if (null !== $value) {
 123                  $this->setValue($value);
 124              }
 125          }
 126          return true;
 127      }
 128  
 129  
 130     /**
 131      * Returns a 'safe' element's value
 132      * 
 133      * The value is only returned if the button's type is "submit" and if this
 134      * particlular button was clicked
 135      */
 136      function exportValue(&$submitValues, $assoc = false)
 137      {
 138          if ('submit' == $this->getAttribute('type')) {
 139              return $this->_prepareValue($this->_findValue($submitValues), $assoc);
 140          } else {
 141              return null;
 142          }
 143      }
 144  }
 145  ?>