/ */ class P4Cms_View_Helper_FormNestedCheckbox extends Zend_View_Helper_FormMultiCheckbox { /** * Generates a set of nested checkbox button elements. * * @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 $values The checkbox value(s) to mark as 'checked'. * @param array $attribs Optional HTML attributes for checkbox * @param array $options A multidimensional array of key-value pairs * where the array key is the checkbox value, * and the array value is the checkbox text. For * nesting entries, the key is ignored and the * value is an array of further entries and/or * nesting levels. * @param int $depth optional - how far we've recursed. * @return string The checkbox XHTML. */ public function formNestedCheckbox( $name, $values = null, $attribs = null, $options = null, $depth = 0 ) { // if set (and it appears to happen) attribs listsep will over-ride our passed // value. Eliminate the possibility. unset($attribs['listsep']); $classes = !$depth ? "nested-checkbox" : ""; $classes .= !$depth && empty($options) ? " empty-checkbox" : ""; $html = "\n"; $entries = array(); foreach ($options ?: array() as $checkboxValue => $value) { // recurse if the entries value is itself an array if (is_array($value)) { // first output any entries we have collected at the current level and clear cache if (!empty($entries)) { $html .= $this->formCheckbox($name, $values, $attribs, $entries); } $entries = array(); // handle the new nesting level $html .= $this->formNestedCheckbox($name, $values, $attribs, $value, $depth + 1); continue; } // cache out this entry, it will be output pre-recursion or at the end $entries[$checkboxValue] = $value; } // output any left-over entries that weren't caught by recursion if (!empty($entries)) { $html .= $this->formCheckbox($name, $values, $attribs, $entries); } // if there are no entries, output empty text if set. if (!$depth && empty($options) && isset($attribs['emptyText'])) { $html .= "

" . $this->view->escape($attribs['emptyText']) . "

"; } $html .= ""; return $html; } /** * Modified version of parent's formRadio to support: * - read-only checkboxes * - supports element specific 'class' options * - id is an md5 of the value for values over 32 characters * * @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 checkbox value to mark as 'checked'. * @param array|string $attribs Attributes added to each checkbox. * @param array $options An array of key-value pairs where the array * key is the checkbox value, and the array value * is the checkbox text. * @return string The checkbox XHTML. */ public function formCheckbox($name, $value = null, $attribs = null, $options = null) { $info = $this->_getInfo($name, $value, $attribs, $options); extract($info); // name, value, attribs, options, disable // also pull out css class details $class = isset($attribs['class']) ? $attribs['class'] : null; // retrieve attributes for labels (prefixed with 'label_' or 'label') $labelAttribs = array(); foreach ($attribs as $key => $val) { $tmp = false; $keyLen = strlen($key); if ((6 < $keyLen) && (substr($key, 0, 6) == 'label_')) { $tmp = substr($key, 6); } elseif ((5 < $keyLen) && (substr($key, 0, 5) == 'label')) { $tmp = substr($key, 5); } if ($tmp) { // make sure first char is lowercase $tmp[0] = strtolower($tmp[0]); $labelAttribs[$tmp] = $val; unset($attribs[$key]); } } $labelPlacement = 'append'; foreach ($labelAttribs as $key => $val) { switch (strtolower($key)) { case 'placement': unset($labelAttribs[$key]); $val = strtolower($val); if (in_array($val, array('prepend', 'append'))) { $labelPlacement = $val; } break; } } // the checkbox values and labels $options = (array) $options; // build the element $xhtml = ''; $list = array(); // should the name affect an array collection? $name = $this->view->escape($name); if ($this->_isArray && ('[]' != substr($name, -2))) { $name .= '[]'; } // ensure value is an array to allow matching multiple times $value = (array) $value; // XHTML or HTML end tag? $endTag = ' />'; if (($this->view instanceof Zend_View_Abstract) && !$this->view->doctype()->isXhtml()) { $endTag= '>'; } // Set up the filter - Alnum + hyphen + underscore require_once 'Zend/Filter/PregReplace.php'; $pattern = @preg_match('/\pL/u', 'a') ? '/[^\p{L}\p{N}\-\_]/u' // Unicode : '/[^a-zA-Z0-9\-\_]/'; // No Unicode $filter = new Zend_Filter_PregReplace($pattern, ""); // normalize read-only option to an array. $readOnly = isset($attribs['readOnly']) && is_array($attribs['readOnly']) ? $attribs['readOnly'] : array(); unset($attribs['readOnly']); // add checkboxes to the list. foreach ($options as $optValue => $optLabel) { // Should the label be escaped? if ($escape) { $optLabel = $this->view->escape($optLabel); } // if class value is an array pull out our elements entry $optClass = $class; if (is_array($class)) { $optClass = isset($class[$optValue]) ? $class[$optValue] : null; } $labelAttribs['class'] = $attribs['class'] = $optClass; // is it disabled? $disabled = ''; if (true === $disable) { $disabled = ' disabled="disabled"'; } elseif (is_array($disable) && in_array($optValue, $disable)) { $disabled = ' disabled="disabled"'; } // is it checked? $checked = ''; if (in_array($optValue, $value)) { $checked = ' checked="checked"'; } // is it read-only? // if so, render a hidden input so the value gets submitted, // but set the main input to be disabled so it looks right. $hiddenInput = ''; if (in_array($optValue, $readOnly)) { $disabled = ' disabled="disabled"'; $hiddenInput = 'filter($optValue) : md5($optValue)); // Wrap the checkboxes in labels $checkbox = '_htmlAttribs($labelAttribs) . ' for="' . $optId . '">' . $hiddenInput . (('prepend' == $labelPlacement) ? $optLabel : '') . '_htmlAttribs($attribs) . $endTag . (('append' == $labelPlacement) ? $optLabel : '') . ''; // Wrap the checkbox in an li $checkbox = '_htmlAttribs(array('class' => $optClass)) . '>' . $checkbox . ''; // add to the array of checkboxes $list[] = $checkbox; } // done! $xhtml .= implode("\n", $list); return $xhtml; } }