--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/View/Helper/FormCheckbox.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,163 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_View
+ * @subpackage Helper
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: FormCheckbox.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * Abstract class for extension
+ */
+require_once 'Zend/View/Helper/FormElement.php';
+
+
+/**
+ * Helper to generate a "checkbox" element
+ *
+ * @category   Zend
+ * @package    Zend_View
+ * @subpackage Helper
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_View_Helper_FormCheckbox extends Zend_View_Helper_FormElement
+{
+    /**
+     * Default checked/unchecked options
+     * @var array
+     */
+    protected static $_defaultCheckedOptions = array(
+        'checkedValue'   => '1',
+        'uncheckedValue' => '0'
+    );
+
+    /**
+     * Generates a 'checkbox' element.
+     *
+     * @access public
+     *
+     * @param string|array $name If a string, the element name.  If an
+     * array, all other parameters are ignored, and the array elements
+     * are extracted in place of added parameters.
+     * @param mixed $value The element value.
+     * @param array $attribs Attributes for the element tag.
+     * @return string The element XHTML.
+     */
+    public function formCheckbox($name, $value = null, $attribs = null, array $checkedOptions = null)
+    {
+        $info = $this->_getInfo($name, $value, $attribs);
+        extract($info); // name, id, value, attribs, options, listsep, disable
+
+        $checked = false;
+        if (isset($attribs['checked']) && $attribs['checked']) {
+            $checked = true;
+            unset($attribs['checked']);
+        } elseif (isset($attribs['checked'])) {
+            $checked = false;
+            unset($attribs['checked']);
+        }
+
+        $checkedOptions = self::determineCheckboxInfo($value, $checked, $checkedOptions);
+
+        // is the element disabled?
+        $disabled = '';
+        if ($disable) {
+            $disabled = ' disabled="disabled"';
+        }
+
+        // XHTML or HTML end tag?
+        $endTag = ' />';
+        if (($this->view instanceof Zend_View_Abstract) && !$this->view->doctype()->isXhtml()) {
+            $endTag= '>';
+        }
+
+        // build the element
+        $xhtml = '';
+        if (!$disable && !strstr($name, '[]')) {
+            $xhtml = $this->_hidden($name, $checkedOptions['uncheckedValue']);
+        }
+        $xhtml .= '<input type="checkbox"'
+                . ' name="' . $this->view->escape($name) . '"'
+                . ' id="' . $this->view->escape($id) . '"'
+                . ' value="' . $this->view->escape($checkedOptions['checkedValue']) . '"'
+                . $checkedOptions['checkedString']
+                . $disabled
+                . $this->_htmlAttribs($attribs)
+                . $endTag;
+
+        return $xhtml;
+    }
+
+    /**
+     * Determine checkbox information
+     *
+     * @param  string $value
+     * @param  bool $checked
+     * @param  array|null $checkedOptions
+     * @return array
+     */
+    public static function determineCheckboxInfo($value, $checked, array $checkedOptions = null)
+    {
+        // Checked/unchecked values
+        $checkedValue   = null;
+        $uncheckedValue = null;
+        if (is_array($checkedOptions)) {
+            if (array_key_exists('checkedValue', $checkedOptions)) {
+                $checkedValue = (string) $checkedOptions['checkedValue'];
+                unset($checkedOptions['checkedValue']);
+            }
+            if (array_key_exists('uncheckedValue', $checkedOptions)) {
+                $uncheckedValue = (string) $checkedOptions['uncheckedValue'];
+                unset($checkedOptions['uncheckedValue']);
+            }
+            if (null === $checkedValue) {
+                $checkedValue = (string) array_shift($checkedOptions);
+            }
+            if (null === $uncheckedValue) {
+                $uncheckedValue = (string) array_shift($checkedOptions);
+            }
+        } elseif ($value !== null) {
+            $uncheckedValue = self::$_defaultCheckedOptions['uncheckedValue'];
+        } else {
+            $checkedValue   = self::$_defaultCheckedOptions['checkedValue'];
+            $uncheckedValue = self::$_defaultCheckedOptions['uncheckedValue'];
+        }
+
+        // is the element checked?
+        $checkedString = '';
+        if ($checked || ((string) $value === $checkedValue)) {
+            $checkedString = ' checked="checked"';
+            $checked = true;
+        } else {
+            $checked = false;
+        }
+
+        // Checked value should be value if no checked options provided
+        if ($checkedValue == null) {
+            $checkedValue = $value;
+        }
+
+        return array(
+            'checked'        => $checked,
+            'checkedString'  => $checkedString,
+            'checkedValue'   => $checkedValue,
+            'uncheckedValue' => $uncheckedValue,
+        );
+    }
+}