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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.
 *
 * @package    Zend_View
 * @subpackage Helper
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @version    $Id: Placeholder.php 7078 2007-12-11 14:29:33Z matthew $
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/** Zend_View_Helper_Placeholder_Container_Standalone */
require_once 'Zend/View/Helper/Placeholder/Container/Standalone.php';

/**
 * Helper for setting and retrieving stylesheets
 *
 * @uses       Zend_View_Helper_Placeholder_Container_Standalone
 * @package    Zend_View
 * @subpackage Helper
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_View_Helper_HeadStyle extends Zend_View_Helper_Placeholder_Container_Standalone
{
    /**
     * Registry key for placeholder
     * @var string
     */
    protected $_regKey = 'Zend_View_Helper_HeadStyle';

/**
     * Allowed optional attributes
     * @var array
     */
    protected $_optionalAttributes = array('lang', 'title', 'media', 'dir');

/**
     * Allowed media types
     * @var array
     */
    protected $_mediaTypes = array(
        'all', 'aural', 'braille', 'handheld', 'print',
        'projection', 'screen', 'tty', 'tv'
    );

/**
     * Capture type and/or attributes (used for hinting during capture)
     * @var string
     */
    protected $_captureAttrs = null;

/**
     * Capture lock
     * @var bool
     */
    protected $_captureLock;

/**
     * Capture type (append, prepend, set)
     * @var string
     */
    protected $_captureType;

/**
     * Constructor
     *
     * Set separator to PHP_EOL.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
        $this->setSeparator(PHP_EOL);
    }

/**
     * Return headStyle object
     *
     * Returns headStyle helper object; optionally, allows specifying
     *
     * @param  string $content Stylesheet contents
     * @param  string $placement Append, prepend, or set
     * @param  string|array $attributes Optional attributes to utilize
     * @return Zend_View_Helper_HeadStyle
     */
    public function headStyle($content = null, $placement = 'APPEND', $attributes = array())
    {
        if ((null !== $content) && is_string($content)) {
            switch (strtoupper($placement)) {
                case 'SET':
                    $action = 'setStyle';
                    break;
                case 'PREPEND':
                    $action = 'prependStyle';
                    break;
                case 'APPEND':
                default:
                    $action = 'appendStyle';
                    break;
            }
            $this->$action($content, $attributes);
        }

return $this;
    }

/**
     * Overload method calls
     *
     * Allows the following method calls:
     * - appendStyle($content, $attributes = array())
     * - offsetSetStyle($index, $content, $attributes = array())
     * - prependStyle($content, $attributes = array())
     * - setStyle($content, $attributes = array())
     *
     * @param  string $method
     * @param  array $args
     * @return void
     * @throws Zend_View_Exception When no $content provided or invalid method
     */
    public function __call($method, $args)
    {
        if (preg_match('/^(?P<action>set|(ap|pre)pend|offsetSet)(Style)$/', $method, $matches)) {
            $index  = null;
            $argc   = count($args);
            $action = $matches['action'];

if ('offsetSet' == $action) {
                if (0 < $argc) {
                    $index = array_shift($args);
                    --$argc;
                }
            }

if (1 > $argc) {
                require_once 'Zend/View/Exception.php';
                throw new Zend_View_Exception(sprintf('Method "%s" requires minimally content for the stylesheet', $method));
            }

$content = $args[0];
            $attrs   = array();
            if (isset($args[1])) {
                $attrs = (array) $args[1];
            }

$item = $this->createData($content, $attrs);

if ('offsetSet' == $action) {
                $this->offsetSet($index, $item);
            } else {
                $this->$action($item);
            }

return $this;
        }

return parent::__call($method, $args);
    }

/**
     * Determine if a value is a valid style tag
     *
     * @param  mixed $value
     * @param  string $method
     * @return boolean
     */
    protected function _isValid($value)
    {
        if ((!$value instanceof stdClass)
            || !isset($value->content)
            || !isset($value->attributes))
        {
            return false;
        }

return true;
    }

/**
     * Override append to enforce style creation
     *
     * @param  mixed $value
     * @return void
     */
    public function append($value)
    {
        if (!$this->_isValid($value)) {
            require_once 'Zend/View/Exception.php';
            throw new Zend_View_Exception('Invalid value passed to append; please use appendStyle()');
        }

return $this->getContainer()->append($value);
    }

/**
     * Override offsetSet to enforce style creation
     *
     * @param  string|int $index
     * @param  mixed $value
     * @return void
     */
    public function offsetSet($index, $value)
    {
        if (!$this->_isValid($value)) {
            require_once 'Zend/View/Exception.php';
            throw new Zend_View_Exception('Invalid value passed to offsetSet; please use offsetSetStyle()');
        }

return $this->getContainer()->offsetSet($index, $value);
    }

/**
     * Override prepend to enforce style creation
     *
     * @param  mixed $value
     * @return void
     */
    public function prepend($value)
    {
        if (!$this->_isValid($value)) {
            require_once 'Zend/View/Exception.php';
            throw new Zend_View_Exception('Invalid value passed to prepend; please use prependStyle()');
        }

return $this->getContainer()->prepend($value);
    }

/**
     * Override set to enforce style creation
     *
     * @param  mixed $value
     * @return void
     */
    public function set($value)
    {
        if (!$this->_isValid($value)) {
            require_once 'Zend/View/Exception.php';
            throw new Zend_View_Exception('Invalid value passed to set; please use setStyle()');
        }

return $this->getContainer()->set($value);
    }

/**
     * Start capture action
     *
     * @param  mixed $captureType
     * @param  string $typeOrAttrs
     * @return void
     */
    public function captureStart($type = Zend_View_Helper_Placeholder_Container_Abstract::APPEND, $attrs = null)
    {
        if ($this->_captureLock) {
            require_once 'Zend/View/Helper/Placeholder/Container/Exception.php';
            throw new Zend_View_Helper_Placeholder_Container_Exception('Cannot nest headStyle captures');
        }

$this->_captureLock        = true;
        $this->_captureAttrs       = $attrs;
        $this->_captureType        = $type;
        ob_start();
    }

/**
     * End capture action and store
     *
     * @return void
     */
    public function captureEnd()
    {
        $content             = ob_get_clean();
        $attrs               = $this->_captureAttrs;
        $this->_captureAttrs = null;
        $this->_captureLock  = false;

switch ($this->_captureType) {
            case Zend_View_Helper_Placeholder_Container_Abstract::SET:
                $this->setStyle($content, $attrs);
                break;
            case Zend_View_Helper_Placeholder_Container_Abstract::PREPEND:
                $this->prependStyle($content, $attrs);
                break;
            case Zend_View_Helper_Placeholder_Container_Abstract::APPEND:
            default:
                $this->appendStyle($content, $attrs);
                break;
        }
    }

/**
     * Convert content and attributes into valid style tag
     *
     * @param  stdClass $item Item to render
     * @param  string $indent Indentation to use
     * @return string
     */
    public function itemToString(stdClass $item, $indent)
    {
        $attrString = '';
        if (!empty($item->attributes)) {
            foreach ($item->attributes as $key => $value) {
                if (!in_array($key, $this->_optionalAttributes)) {
                    continue;
                }
                if ('media' == $key) {
                    if(false === strpos($value, ',')) {
                        if (!in_array($value, $this->_mediaTypes)) {
                            continue;
                        }
                    } else {
                        $media_types = explode(',', $value);
                        $value = '';
                        foreach($media_types as $type) {
                            if (!in_array($type, $this->_mediaTypes)) {
                                continue;
                            }
                            $value .= $type .',';
                        }
                        $value = substr($value, 0, -1);
                    }
                }
                $attrString .= sprintf(' %s="%s"', $key, htmlspecialchars($value));
            }
        }

$html = '<style type="text/css"' . $attrString . '>' . PHP_EOL
              . $indent . '' . PHP_EOL
              . '</style>';

if (isset($item->attributes['conditional'])
            && !empty($item->attributes['conditional'])
            && is_string($item->attributes['conditional']))
        {
            $html = '';
        }

return $html;
    }

/**
     * Create string representation of placeholder
     *
     * @param  string|int $indent
     * @return string
     */
    public function toString($indent = null)
    {
        $indent = (null !== $indent)
                ? $this->getWhitespace($indent)
                : $this->getIndent();

$items = array();
        $this->getContainer()->ksort();
        foreach ($this as $item) {
            if (!$this->_isValid($item)) {
                continue;
            }
            $items[] = $this->itemToString($item, $indent);
        }

$return = $indent . implode($this->getSeparator() . $indent, $items);
        $return = preg_replace("/(\r\n?|\n)/", '$1' . $indent, $return);
        return $return;
    }

/**
     * Create data item for use in stack
     *
     * @param  string $content
     * @param  array $attributes
     * @return stdClass
     */
    public function createData($content, array $attributes)
    {
        if (!isset($attributes['media'])) {
            $attributes['media'] = 'screen';
        } else if(is_array($attributes['media'])) {
            $attributes['media'] = implode(',', $attributes['media']);
        }

$data = new stdClass();
        $data->content    = $content;
        $data->attributes = $attributes;

return $data;
    }
}

Nama File / Folder	Size	Action
Partial	--	NONE
Placeholder	--	NONE
Abstract.php	1.692KB	Edit File Delete File Rename
DeclareVars.php	3.033KB	Edit File Delete File Rename
Fieldset.php	2.398KB	Edit File Delete File Rename
FormButton.php	3.158KB	Edit File Delete File Rename
FormCheckbox.php	5.385KB	Edit File Delete File Rename
FormElement.php	5.577KB	Edit File Delete File Rename
FormErrors.php	3.944KB	Edit File Delete File Rename
FormFile.php	2.411KB	Edit File Delete File Rename
FormImage.php	3.095KB	Edit File Delete File Rename
FormLabel.php	2.161KB	Edit File Delete File Rename
FormMultiCheckbox.php	2.294KB	Edit File Delete File Rename
FormNote.php	1.827KB	Edit File Delete File Rename
FormPassword.php	2.893KB	Edit File Delete File Rename
FormReset.php	2.61KB	Edit File Delete File Rename
FormSelect.php	5.844KB	Edit File Delete File Rename
FormSubmit.php	2.546KB	Edit File Delete File Rename
FormText.php	2.54KB	Edit File Delete File Rename
FormTextarea.php	2.953KB	Edit File Delete File Rename
HeadLink.php	12.98KB	Edit File Delete File Rename
HeadMeta.php	10.598KB	Edit File Delete File Rename
HeadScript.php	14.921KB	Edit File Delete File Rename
HeadStyle.php	11.895KB	Edit File Delete File Rename
HeadTitle.php	5.229KB	Edit File Delete File Rename
HtmlElement.php	3.931KB	Edit File Delete File Rename
HtmlFlash.php	1.946KB	Edit File Delete File Rename
HtmlObject.php	2.635KB	Edit File Delete File Rename
HtmlPage.php	2.182KB	Edit File Delete File Rename
HtmlQuicktime.php	2.422KB	Edit File Delete File Rename
InlineScript.php	2.154KB	Edit File Delete File Rename
Interface.php	1.379KB	Edit File Delete File Rename
PaginationControl.php	4.39KB	Edit File Delete File Rename
Partial.php	4.752KB	Edit File Delete File Rename
PartialLoop.php	3.191KB	Edit File Delete File Rename
Placeholder.php	2.529KB	Edit File Delete File Rename
RenderToPlaceholder.php	1.45KB	Edit File Delete File Rename
Translate.php	5.521KB	Edit File Delete File Rename