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);
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
00079 $disabled = '';
00080 if ($disable) {
00081 $disabled = ' disabled="disabled"';
00082 }
00083
00084
00085 $endTag = ' />';
00086 if (($this->view instanceof Zend_View_Abstract) && !$this->view->doctype()->isXhtml()) {
00087 $endTag= '>';
00088 }
00089
00090
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
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
00143 $checkedString = '';
00144 if ($checked || ($value === $checkedValue)) {
00145 $checkedString = ' checked="checked"';
00146 $checked = true;
00147 } else {
00148 $checked = false;
00149 }
00150
00151
00152 if ($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 }