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E:/E/GEAMP/www/openbiz/openbiz/others/Zend/View/Helper/FormCheckbox.php

00001 <?php
00027 require_once 'Zend/View/Helper/FormElement.php';
00028 
00029 
00039 class Zend_View_Helper_FormCheckbox extends Zend_View_Helper_FormElement
00040 {
00045     protected static $_defaultCheckedOptions = array(
00046         'checkedValue'   => '1',
00047         'uncheckedValue' => '0'
00048     );
00049 
00062     public function formCheckbox($name, $value = null, $attribs = null, array $checkedOptions = null)
00063     {
00064         $info = $this->_getInfo($name, $value, $attribs);
00065         extract($info); // name, id, value, attribs, options, listsep, disable
00066 
00067         $checked = false;
00068         if (isset($attribs['checked']) && $attribs['checked']) {
00069             $checked = true;
00070             unset($attribs['checked']);
00071         } elseif (isset($attribs['checked'])) {
00072             $checked = false;
00073             unset($attribs['checked']);
00074         }
00075 
00076         $checkedOptions = self::determineCheckboxInfo($value, $checked, $checkedOptions);
00077 
00078         // is the element disabled?
00079         $disabled = '';
00080         if ($disable) {
00081             $disabled = ' disabled="disabled"';
00082         }
00083 
00084         // XHTML or HTML end tag?
00085         $endTag = ' />';
00086         if (($this->view instanceof Zend_View_Abstract) && !$this->view->doctype()->isXhtml()) {
00087             $endTag= '>';
00088         }
00089 
00090         // build the element
00091         $xhtml = '';
00092         if (!$disable && !strstr($name, '[]')) {
00093             $xhtml = $this->_hidden($name, $checkedOptions['uncheckedValue']);
00094         }
00095         $xhtml .= '<input type="checkbox"'
00096                 . ' name="' . $this->view->escape($name) . '"'
00097                 . ' id="' . $this->view->escape($id) . '"'
00098                 . ' value="' . $this->view->escape($checkedOptions['checkedValue']) . '"'
00099                 . $checkedOptions['checkedString']
00100                 . $disabled
00101                 . $this->_htmlAttribs($attribs)
00102                 . $endTag;
00103 
00104         return $xhtml;
00105     }
00106 
00115     public static function determineCheckboxInfo($value, $checked, array $checkedOptions = null)
00116     {
00117         // Checked/unchecked values
00118         $checkedValue   = null;
00119         $uncheckedValue = null;
00120         if (is_array($checkedOptions)) {
00121             if (array_key_exists('checkedValue', $checkedOptions)) {
00122                 $checkedValue = (string) $checkedOptions['checkedValue'];
00123                 unset($checkedOptions['checkedValue']);
00124             }
00125             if (array_key_exists('uncheckedValue', $checkedOptions)) {
00126                 $uncheckedValue = (string) $checkedOptions['uncheckedValue'];
00127                 unset($checkedOptions['uncheckedValue']);
00128             }
00129             if (null === $checkedValue) {
00130                 $checkedValue = array_shift($checkedOptions);
00131             }
00132             if (null === $uncheckedValue) {
00133                 $uncheckedValue = array_shift($checkedOptions);
00134             }
00135         } elseif ($value !== null) {
00136             $uncheckedValue = self::$_defaultCheckedOptions['uncheckedValue'];
00137         } else {
00138             $checkedValue   = self::$_defaultCheckedOptions['checkedValue'];
00139             $uncheckedValue = self::$_defaultCheckedOptions['uncheckedValue'];
00140         }
00141 
00142         // is the element checked?
00143         $checkedString = '';
00144         if ($checked || ($value === $checkedValue)) {
00145             $checkedString = ' checked="checked"';
00146             $checked = true;
00147         } else {
00148             $checked = false;
00149         }
00150 
00151         // Checked value should be value if no checked options provided
00152         if ($checkedValue == null) {
00153             $checkedValue = $value;
00154         }
00155 
00156         return array(
00157             'checked'        => $checked,
00158             'checkedString'  => $checkedString,
00159             'checkedValue'   => $checkedValue,
00160             'uncheckedValue' => $uncheckedValue,
00161         );
00162     }
00163 }

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