/library/Digitalus/View/Helper/Interface/Link.php

<?php

/**

 * Link helper

 *

 * 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://digitalus-media.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 info@digitalus-media.com so we can send you a copy immediately.

 *

 * @author      Forrest Lyman

 * @category    Digitalus CMS

 * @package     Digitalus

 * @subpackage  Digitalus_View

 * @copyright   Copyright (c) 2007 - 2010,  Digitalus Media USA (digitalus-media.com)

 * @license     http://digitalus-media.com/license/new-bsd     New BSD License

 * @version     $Id: Link.php 767 2010-05-04 19:22:01Z lowtower@gmx.de $

 * @link        http://www.digitaluscms.com

 * @since       Release 1.5.0

 */



/**

 * @see Zend_View_Helper_Abstract

 */

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



/**

 * Link helper

 *

 * @author      Forrest Lyman

 * @copyright   Copyright (c) 2007 - 2010,  Digitalus Media USA (digitalus-media.com)

 * @license     http://digitalus-media.com/license/new-bsd     New BSD License

 * @version     Release: @package_version@

 * @link        http://www.digitaluscms.com

 * @since       Release 1.5.0

 * @uses        viewHelper Digitalus_View_Helper_GetBaseUrl

 * @uses        viewHelper Digitalus_View_Helper_GetTranslation

 */

class Digitalus_View_Helper_Interface_Link extends Zend_View_Helper_Abstract

{

    public $link;

    public $baseUrl;



    /**

     *

     */

    public function link($label, $link, $icon = null, $class = 'link', $target = null, $suppressLabel = false, $translate = true)

    {

        $this->link = Digitalus_Toolbox_String::stripLeading('/', $link);

        $this->baseUrl = Digitalus_Toolbox_String::stripLeading('/', $this->view->getBaseUrl());



        // clean the link

        if ($this->isRemoteLink($link) || $this->isAnchorLink($link)) {

            $cleanLink = $link;

        } else {

            $cleanLink = '/' . $this->addBaseUrl($this->link);

        }



        if ($target != null) {

            $target = 'target="' . $target . '"';

        }



        $linkParts[] = '<a href="' . $cleanLink . '" class="' . $class .'" ' . $target . '>';



        if (null !== $icon) {

            $linkParts[] = $this->getIcon($icon, $label);

        }

        if (!empty($label) && true != $suppressLabel) {

            if (true === (bool)$translate) {

                $linkParts[] = $this->view->getTranslation((string)$label);

            } else {

                $linkParts[] = (string)$label;

            }

        }

        $linkParts[] = '</a>';

        return implode(null, $linkParts);

    }



    public function addBaseUrl($path)

    {

        if (!empty($this->baseUrl)) {

            if (substr($path, 0, strlen($this->baseUrl) != $this->baseUrl)) {

                return $this->baseUrl . '/' . $path;

            }

        }

        return $path;

    }



    public function isAnchorLink($link)

    {

        if (strpos($link, '#') === false) {

            return false;

        } else {

            return true;

        }

    }



    public function isRemoteLink($link)

    {

        if (strpos($link, 'http') === false) {

            return false;

        } else {

            return true;

        }

    }



    public function getIcon($icon, $alt)

    {

        $config = Zend_Registry::get('config');

        $this->iconPath = $config->filepath->icons;

        $iconPath = $this->iconPath;

        $iconPath = $this->addBaseUrl($iconPath . '/' . $icon);

        return '<img src="/' . $iconPath . '" title="' . htmlspecialchars($alt) . '" alt="' . htmlspecialchars($alt) . '" class="icon" />';

    }

}