编辑文件 - FormRadio.php

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路径: /srv/systems_dir/biblioteca_yuppie/library/Bootstrap/View/Helper/FormRadio.php
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<?php
/**
 * View helper definition
 *
 * @category Helpers
 * @package Bootstrap_View
 * @subpackage Helper
 * @author Jaime Neto <contato@jaimeneto.com>
 */

require_once 'Zend/View/Helper/FormElement.php';

/**
 * Helper to generate a set of radio button elements
 *
 * @category Helpers
 * @package Bootstrap_View
 * @subpackage Helper
 * @author Jaime Neto <contato@jaimeneto.com>
 */
class Bootstrap_View_Helper_FormRadio extends Zend_View_Helper_FormElement
{
    /**
     * Input type to use
     * @var string
     */
    protected $_inputType = 'radio';

/**
     * Whether or not this element represents an array collection by default
     * @var bool
     */
    protected $_isArray = false;

/**
     * Generates a set of radio button elements.
     *
     * @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 radio value to mark as 'checked'.
     *
     * @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 array|string $attribs Attributes added to each radio.
     *
     * @return string The radio buttons XHTML.
     */
    public function formRadio($name, $value = null, $attribs = null, $options = null, $listsep = '')
    {
        $info = $this->_getInfo($name, $value, $attribs, $options, $listsep);
        extract($info); // name, value, attribs, options, listsep, disable

// retrieve attributes for labels (prefixed with 'label_' or 'label')
        $label_attribs = array();
        foreach ($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]);
                $label_attribs[$tmp] = $val;
                unset($attribs[$key]);
            }
        }

$buttonType = isset($attribs['buttonType']) 
                    ? $attribs['buttonType'] 
                    : null;
        
        $inline = isset($attribs['inline']) && $attribs['inline'];
        
        unset($attribs['buttonType'], $attribs['inline']);
        
        if ($buttonType) {
            $label_attribs['class'] = isset($label_attribs['class']) 
                    ? trim($label_attribs['class'] . ' btn btn-' . $buttonType)
                    : 'btn btn-' . $buttonType;
            
        } else {
            if ($inline) {
                $label_attribs['class'] = isset($label_attribs['class']) 
                        ? trim($label_attribs['class'] . ' radio-inline')
                        : 'radio-inline';
            }
        }

$labelPlacement = 'append';
        foreach ($label_attribs as $key => $val) {
            switch (strtolower($key)) {
                case 'placement':
                    unset($label_attribs[$key]);
                    $val = strtolower($val);
                    if (in_array($val, array('prepend', 'append'))) {
                        $labelPlacement = $val;
                    }
                    break;
            }
        }

// the radio button 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, "");

// add radio buttons to the list.
        foreach ($options as $opt_value => $opt_label) {

// Should the label be escaped?
            if ($escape) {
                $opt_label = $this->view->escape($opt_label);
            }

// is it disabled?
            $disabled = '';
            if (true === $disable) {
                $disabled = ' disabled="disabled"';
            } elseif (is_array($disable) && in_array($opt_value, $disable)) {
                $disabled = ' disabled="disabled"';
            }

$labelAttribs = $label_attribs;
            
            // is it checked?
            $checked = '';
            if (in_array($opt_value, $value)) {
                $checked = ' checked="checked"';
                
                if( isset($labelAttribs['class']) ){
                    $labelAttribs['class'] .= ' active';
                }else{
                    $labelAttribs['class'] = 'active';
                }
            }

// generate ID
            $optId = $id . '-' . $filter->filter($opt_value);

$radio = '';
            if (!$inline) {
                $radio .= '<div class="radio">';
            }
            
            // Wrap the radios in labels
            $radio .= '<label'
                    . $this->_htmlAttribs($labelAttribs) . '>'
                    . (('prepend' == $labelPlacement) ? $opt_label : '')
                    . '<input type="' . $this->_inputType . '"'
                    . ' name="' . $name . '"'
                    . ' id="' . $optId . '"'
                    . ' value="' . $this->view->escape($opt_value) . '"'
                    . $checked
                    . $disabled
                    . $this->_htmlAttribs($attribs)
                    . $endTag
                    . (('append' == $labelPlacement) ? $opt_label : '')
                    . '</label>';

if (!$inline) {
                $radio .= '</div>';
            }
            
            // add to the array of radio buttons
            $list[] = $radio;
        }

// done!
        $xhtml .= implode($listsep, $list);

if ($buttonType) {
            $xhtml = '<div class="btn-group" data-toggle="buttons">'
                   . $xhtml
                   . '</div>';
        }
        
        return $xhtml;
    }
}

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