/administrator/components/com_zoo/helpers/zoo.php

<?php

/**
* @package   ZOO Component
* @file      zoo.php
* @version   2.3.7 March 2011
* @author    YOOtheme http://www.yootheme.com
* @copyright Copyright (C) 2007 - 2011 YOOtheme GmbH
* @license   http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
*/


// no direct access

defined('_JEXEC') or die('Restricted access');



/*

	Class: ZooHelper

		The general helper Class for zoo

*/

class ZooHelper {



	/*

		Function: toolbarHelp

			Add help button to current toolbar to show help url in popup window.



	   Parameters:

	      $ref - Help url



	   Returns:

	      Void

	*/

	public static function toolbarHelp($ref = 'http://docs.yootheme.com/home/category/zoo-20') {

		$toolbar = JToolBar::getInstance('toolbar');

		$toolbar->appendButton('ZooHelp', $ref);

	}



	/*

		Function: resizeImage

			Resize and cache image file.



		Returns:

			String - image path

	*/

	public static function resizeImage($file, $width, $height) {



		// init vars

		$width      = (int) $width;

		$height     = (int) $height;

		$file_info  = pathinfo($file);

		$thumbfile  = JPATH_ROOT.'/cache/com_zoo/images/'. $file_info['filename'] . '_' . md5($file.$width.$height) . '.' . $file_info['extension'];

		$cache_time = 86400; // cache time 24h



		// check thumbnail directory

		if (!JFolder::exists(dirname($thumbfile))) {

			JFolder::create(dirname($thumbfile));

		}



		// create or re-cache thumbnail

		if (YImageThumbnail::check() && (!is_file($thumbfile) || ($cache_time > 0 && time() > (filemtime($thumbfile) + $cache_time)))) {

			$thumbnail = new YImageThumbnail($file);



			if ($width > 0 && $height > 0) {

				$thumbnail->setSize($width, $height);

				$thumbnail->save($thumbfile);

			} else if ($width > 0 && $height == 0) {

				$thumbnail->sizeWidth($width);

				$thumbnail->save($thumbfile);

			} else if ($width == 0 && $height > 0) {

				$thumbnail->sizeHeight($height);

				$thumbnail->save($thumbfile);

			} else {

                if (JFile::exists($file)) {

                    JFile::copy($file, $thumbfile);

                }

            }



		}



		if (is_file($thumbfile)) {

			return $thumbfile;

		}



		return $file;

	}



	/*

		Function: triggerContentPlugins

			Trigger joomla content plugins on given text.



	   Parameters:

            $text - Text



		Returns:

			String - Text

	*/

	public static function triggerContentPlugins($text) {



		// import joomla content plugins

		JPluginHelper::importPlugin('content');



		$params        = new JParameter('');

		$dispatcher    = JDispatcher::getInstance();

		$article       = JTable::getInstance('content');

		$article->text = $text;



		// disable loadmodule plugin on feed view

		if (JFactory::getDocument()->getType() == 'feed') {

			$plugin = JPluginHelper::getPlugin('content', 'loadmodule');

			$pluginParams = new JParameter($plugin->params);

			if ($pluginParams->get('enabled', 1)) {

				// expression to search for

				$regex = '/{loadposition\s*.*?}/i';

				$article->text = preg_replace($regex, '', $article->text);

			}

		}



		$dispatcher->trigger('onPrepareContent', array(&$article, &$params, 0));



		return $article->text;

	}



    /*

		Function: getGroups

			Returns user group objects.



		Returns:

			Array - groups

	*/

	public static function getGroups() {



		$db    = JFactory::getDBO();

		$query = "SELECT g.id, g.name FROM #__groups AS g";



		$db->setQuery($query);



		return $db->loadObjectList("id");

	}



    /*

		Function: getLayouts

			Returns layouts for a type of an app.



		Returns:

			Array - layouts

	*/

    public static function getLayouts($application, $type_id, $layout_type = '') {



        $result = array();



        // get template

        if ($template = $application->getTemplate()) {



			// get renderer

			$renderer = new ItemRenderer();

			$renderer->addPath($template->getPath());



			$path   = 'item';

			$prefix = 'item.';

			if ($renderer->pathExists($path.DIRECTORY_SEPARATOR.$type_id)) {

				$path   .= DIRECTORY_SEPARATOR.$type_id;

				$prefix .= $type_id.'.';

			}



			foreach ($renderer->getLayouts($path) as $layout) {

				$metadata = $renderer->getLayoutMetaData($prefix.$layout);

				if (empty($layout_type) || ($metadata->get('type') == $layout_type)) {

					$result[$layout] = $metadata;

				}

			}

		}



        return $result;



    }



}



/*

   Class: JHTMLZoo

   	  A class that contains zoo html functions

*/

class JHTMLZoo {



	/*

    	Function: calendar

    	  Get zoo datepicker.



	   Returns:

	      Returns zoo datepicker html string.

 	*/

	public static function calendar($value, $name, $id, $attribs = null)	{



		if (!defined('ZOO_CALENDAR_SCRIPT_DECLARATION')) {

			define('ZOO_CALENDAR_SCRIPT_DECLARATION', true);



			JHTML::script('date.js', 'administrator/components/com_zoo/assets/js/');



			$translations = array(

				'closeText' => 'Done',

				'currentText' => 'Today',

				'dayNames' => array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'),

				'dayNamesMin' => array('Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'),

				'dayNamesShort' => array('Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'),

				'monthNames' => array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'),

				'monthNamesShort' => array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'),

				'prevText' => 'Prev',

				'nextText' => 'Next',

				'weekHeader' => 'Wk',

				'appendText' => '(yyyy-mm-dd)'

			);



			foreach ($translations as $key => $translation) {

				$translations[$key] = is_array($translation) ? array_map(create_function('$text', 'return JText::_($text);'), $translation) : JText::_($translation);

			}



			$javascript = 'jQuery(function($) { $("body").Calendar({ translations: '.json_encode($translations).' }); });';



			JFactory::getDocument()->addScriptDeclaration($javascript);			



		}



		if (is_array($attribs)) {

			$attribs = JArrayHelper::toString($attribs);

		}



		return '<input style="width: 110px" type="text" name="'.$name.'" id="'.$id.'" value="'.htmlspecialchars($value, ENT_COMPAT, 'UTF-8').'" '.$attribs.' />'

			.'<img src="'.JURI::root(true).'/templates/system/images/calendar.png'.'" class="zoo-calendar" />';

	}



	/*

    	Function: image

    	  Get image resource info.



	   Returns:

	      Array - Image info

 	*/

	public static function image($image, $width = null, $height = null) {



		$resized_image = ZooHelper::resizeImage(JPATH_ROOT.DS.$image, $width, $height);

		$inner_path    = trim(str_replace('\\', '/', preg_replace('/^'.preg_quote(JPATH_ROOT, '/').'/i', '', $resized_image)), '/');

		$path 		   = JPATH_ROOT.'/'.$inner_path;



		if (is_file($path) && $size = getimagesize($path)) {



			$info['path'] 	= $path;

			$info['src'] 	= JURI::root().$inner_path;

			$info['mime'] 	= $size['mime'];

			$info['width'] 	= $size[0];

			$info['height'] = $size[1];

			$info['width_height'] = sprintf('width="%d" height="%d"', $info['width'], $info['height']);



			return $info;

		}



		return null;

	}



	/*

		Function: categoryList

			Returns category select list html string.

	*/

	public static function categoryList($application, $options, $name, $attribs = null, $key = 'value', $text = 'text', $selected = NULL, $idtag = false, $translate = false) {



		// set options

		if (is_array($options)) {

			reset($options);

		} else {

			$options = array($options);

		}



		// get category tree list

		$list = CategoryHelper::buildTreeList(0, $application->getCategoryTree(), array(), '-&nbsp;', '.&nbsp;&nbsp;&nbsp;', '&nbsp;&nbsp;');



		// create options

		foreach ($list as $category) {

			$options[] = JHTML::_('select.option', $category->id, $category->treename);

		}



		return JHTML::_('select.genericlist', $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);



	}



	/*

		Function: layoutList

			Returns layout select list html string.

	*/

	public static function layoutList($application, $type_id, $layout_type, $options, $name, $attribs = null, $key = 'value', $text = 'text', $selected = NULL, $idtag = false, $translate = false) {



		// set options

		if (is_array($options)) {

			reset($options);

		} else {

			$options = array($options);

		}



        $layouts = ZooHelper::getLayouts($application, $type_id, $layout_type);



        foreach ($layouts as $layout => $metadata) {

            $options[] = JHTML::_('select.option', $layout, $metadata->get('name'));

        }



        return JHTML::_('select.genericlist', $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);





		// create options

		foreach ($application->getTemplates() as $template) {

			$metadata = $template->getMetadata();

			$options[] = JHTML::_('select.option', $template->name, $metadata['name']);

		}



		return JHTML::_('select.genericlist', $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);



	}



 	/*

    	Function: typeList

    		Returns type select list html string.

 	*/

	public static function typeList($options, $name, $attribs = null, $key = 'value', $text = 'text', $selected = null, $idtag = false, $translate = false, $filter = array()) {



		if (is_array($options)) {

			reset($options);

		} else {

			$options = array($options);

		}



		foreach (Zoo::getApplication()->getTypes() as $type) {

			if (empty($filter) || in_array($type->id, $filter)) {

				$options[] = JHTML::_('select.option', $type->id, JText::_($type->name));

			}

		}



		return JHTML::_('select.genericlist', $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);

	}



 	/*

    	Function: authorList

    		Returns author select list html string.

 	*/

    public static function authorList($options, $name, $attribs = null, $key = 'value', $text = 'text', $selected = null, $idtag = false, $translate = false, $show_registered_users = true) {

		$query = 'SELECT DISTINCT u.id AS value, u.name AS text'

			    .' FROM #__users AS u'

                . ' WHERE u.block = 0'

                . ($show_registered_users ? '' : ' AND u.gid > 18');



		return self::queryList($query, $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);

    }



 	/*

    	Function: itemAuthorList

    		Returns author select list html string.

 	*/

	public static function itemAuthorList($options, $name, $attribs = null, $key = 'value', $text = 'text', $selected = null, $idtag = false, $translate = false) {

		$query = 'SELECT DISTINCT u.id AS value, u.name AS text'

			    .' FROM '.ZOO_TABLE_ITEM.' AS i'

			    .' JOIN #__users AS u ON i.created_by = u.id';



		return self::queryList($query, $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);

	}



 	/*

    	Function: itemList

    		Returns item select list html string.

 	*/

	public static function itemList($application, $options, $name, $attribs = null, $key = 'value', $text = 'text', $selected = null, $idtag = false, $translate = false) {

		$query = 'SELECT DISTINCT c.item_id as value, a.name as text'

			   	.' FROM '.ZOO_TABLE_COMMENT.' AS c'

			   	.' LEFT JOIN '.ZOO_TABLE_ITEM. ' AS a ON c.item_id = a.id'

			   	.' WHERE a.application_id = ' . $application->id

			   	.' ORDER BY a.name';



		if (is_array($options)) {

			reset($options);

		} else {

			$options = array($options);

		}



		$db = YDatabase::getInstance();

		$rows = $db->queryAssocList($query);



		foreach ($rows as $row) {

			$options[] = JHTML::_('select.option', $row['value'], $row['text']);

		}



		return JHTML::_('select.genericlist', $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);

	}



  	/*

    	Function: accessLevel

    		Returns user access select list.

 	*/

	public static function accessLevel($selected = null, $exclude = array()) {



        if (is_array($exclude)) {

			reset($exclude);

		} else {

			$exclude = array($exclude);

		}



		$query = 'SELECT id AS value, name AS text'

		. ' FROM #__groups'

		. ' ORDER BY id';



		$db = YDatabase::getInstance();

		$groups = $db->queryAssocList($query);



        foreach($exclude as $key) {

            unset($groups[$key]);

        }



		return JHTML::_('select.genericlist', $groups, 'access', 'class="inputbox"', 'value', 'text', $selected, '', 1);



	}



 	/*

    	Function: itemAuthorList

    		Returns author select list html string.

 	*/

	public static function commentAuthorList($application, $options, $name, $attribs = null, $key = 'value', $text = 'text', $selected = null, $idtag = false, $translate = false) {

		$query = "SELECT DISTINCT c.author AS value, c.author AS text"

			    ." FROM ".ZOO_TABLE_COMMENT." AS c"

			    .' LEFT JOIN '.ZOO_TABLE_ITEM. ' AS a ON c.item_id = a.id'

				." WHERE c.author <> ''"

				." AND a.application_id = " . $application->id

				." ORDER BY c.author";

		return self::queryList($query, $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);

	}



 	/*

    	Function: queryList

			Returns select list html string.

 	*/

	public static function queryList($query, $options, $name, $attribs = null, $key = 'value', $text = 'text', $selected = null, $idtag = false, $translate = false) {



		if (is_array($options)) {

			reset($options);

		} else {

			$options = array($options);

		}



		$db = YDatabase::getInstance();

		$list = $db->queryObjectList($query);



		$options = array_merge($options, $list);

		return JHTML::_('select.genericlist', $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);

	}



 	/*

    	Function: arrayList

			Returns select list html string.

 	*/

	public static function arrayList($array, $options, $name, $attribs = null, $key = 'value', $text = 'text', $selected = null, $idtag = false, $translate = false) {



		if (is_array($options)) {

			reset($options);

		} else {

			$options = array($options);

		}



		$options = array_merge($options, JHTMLZoo::listOptions($array));

		return JHTML::_('select.genericlist', $options, $name, $attribs, $key, $text, $selected, $idtag, $translate);

	}



 	/*

    	Function: selectOptions

    		Returns select option as JHTML compatible array.

 	*/

	public static function listOptions($array, $value = 'value', $text = 'text') {



		$options = array();



		if (is_array($array)) {

			foreach ($array as $val => $txt) {

				$options[] = JHTML::_('select.option', strval($val), $txt, $value, $text);

			}

		}



		return $options;

	}



}