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<?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: FormSelect.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* Abstract class for extension
*/
require_once 'Zend/View/Helper/FormElement.php';
/**
* Helper to generate "select" list of options
*
* @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_FormSelect extends Zend_View_Helper_FormElement
{
/**
* Generates 'select' list of options.
*
* @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 option value to mark as 'selected'; if an
* array, will mark all values in the array as 'selected' (used for
* multiple-select elements).
*
* @param array|string $attribs Attributes added to the 'select' tag.
*
* @param array $options An array of key-value pairs where the array
* key is the radio value, and the array value is the radio text.
*
* @param string $listsep When disabled, use this list separator string
* between list values.
*
* @return string The select tag and options XHTML.
*/
public function formSelect($name, $value = null, $attribs = null,
$options = null, $listsep = "<br />\n")
{
$info = $this->_getInfo($name, $value, $attribs, $options, $listsep);
extract($info); // name, id, value, attribs, options, listsep, disable
// force $value to array so we can compare multiple values to multiple
// options; also ensure it's a string for comparison purposes.
$value = array_map('strval', (array) $value);
// check if element may have multiple values
$multiple = '';
if (substr($name, -2) == '[]') {
// multiple implied by the name
$multiple = ' multiple="multiple"';
}
if (isset($attribs['multiple'])) {
// Attribute set
if ($attribs['multiple']) {
// True attribute; set multiple attribute
$multiple = ' multiple="multiple"';
// Make sure name indicates multiple values are allowed
if (!empty($multiple) && (substr($name, -2) != '[]')) {
$name .= '[]';
}
} else {
// False attribute; ensure attribute not set
$multiple = '';
}
unset($attribs['multiple']);
}
// now start building the XHTML.
$disabled = '';
if (true === $disable) {
$disabled = ' disabled="disabled"';
}
// Build the surrounding select element first.
$xhtml = '<select'
. ' name="' . $this->view->escape($name) . '"'
. ' id="' . $this->view->escape($id) . '"'
. $multiple
. $disabled
. $this->_htmlAttribs($attribs)
. ">\n ";
// build the list of options
$list = array();
$translator = $this->getTranslator();
foreach ((array) $options as $opt_value => $opt_label) {
if (is_array($opt_label)) {
$opt_disable = '';
if (is_array($disable) && in_array($opt_value, $disable)) {
$opt_disable = ' disabled="disabled"';
}
if (null !== $translator) {
$opt_value = $translator->translate($opt_value);
}
$list[] = '<optgroup'
. $opt_disable
. ' label="' . $this->view->escape($opt_value) .'">';
foreach ($opt_label as $val => $lab) {
$list[] = $this->_build($val, $lab, $value, $disable);
}
$list[] = '</optgroup>';
} else {
$list[] = $this->_build($opt_value, $opt_label, $value, $disable);
}
}
// add the options to the xhtml and close the select
$xhtml .= implode("\n ", $list) . "\n</select>";
return $xhtml;
}
/**
* Builds the actual <option> tag
*
* @param string $value Options Value
* @param string $label Options Label
* @param array $selected The option value(s) to mark as 'selected'
* @param array|bool $disable Whether the select is disabled, or individual options are
* @return string Option Tag XHTML
*/
protected function _build($value, $label, $selected, $disable)
{
if (is_bool($disable)) {
$disable = array();
}
$opt = '<option'
. ' value="' . $this->view->escape($value) . '"'
. ' label="' . $this->view->escape($label) . '"';
// selected?
if (in_array((string) $value, $selected)) {
$opt .= ' selected="selected"';
}
// disabled?
if (in_array($value, $disable)) {
$opt .= ' disabled="disabled"';
}
$opt .= '>' . $this->view->escape($label) . "</option>";
return $opt;
}
}
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