/assets/snippets/evogallery/classes/gallery.class.inc.php

<?php

/*---------------------------------------------------------------------------

* Gallery - Contains functions for generating a listing of gallery thumbanils

*                   while controlling various display aspects.

*--------------------------------------------------------------------------*/

class Gallery

{

	var $config;  // Array containing snippet configuration values



	/**

	* Class constructor, set configuration parameters

	*/

	function Gallery($params)

	{

		global $modx;



		$this->config = $params;



		$this->galleriesTable = 'portfolio_galleries';

	}



	/**

	* Determine what action was requested and process request

	*/

	function execute()

	{

		$output = '';



		$this->config['type'] = isset($this->config['type']) ? $this->config['type'] : 'simple-list';



		if ($this->config['includeAssets'])

			$this->getConfig($this->config['type']);



		if ($this->config['display'] == 'galleries')

			$output = $this->renderGalleries();

		elseif ($this->config['display'] == 'single')

			$output = $this->renderSingle();

        else

			$output = $this->renderImages();



		return $output;

	}



	/**

	* Generate a listing of document galleries

	*/

	function renderGalleries()

	{

		global $modx;



		// Retrieve chunks/default templates from disk

		$tpl = ($this->config['tpl'] == '') ? file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.default.txt') : $modx->getChunk($this->config['tpl']);

		$item_tpl = ($this->config['itemTpl'] == '') ? file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.item.default.txt') : $modx->getChunk($this->config['itemTpl']);

		$item_tpl_first = ($this->config['itemTplFirst'] == '') ? @file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.item.first.txt') : $modx->getChunk($this->config['itemTplFirst']);

		$item_tpl_alt = ($this->config['itemTplAlt'] == '') ? @file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.item.alt.txt') : $modx->getChunk($this->config['itemTplAlt']);

		$item_tpl_last = ($this->config['itemTplLast'] == '') ? @file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.item.last.txt') : $modx->getChunk($this->config['itemTplLast']);



		// Hide/show docs based on configuration

		$docSelect = '';

		if ($this->config['docId'] != '*' && !empty($this->config['docId']))

		{

			if (strpos($this->config['docId'], ',') !== false)

			{

				$docSelect = 'parent IN ('.$this->config['docId'].')';

			}

			else

				$docSelect = 'parent = ' . $this->config['docId'];

		}

		if ($this->config['excludeDocs'] > 0)

		{

			$excludeDocs = '';

			if (strpos($this->config['excludeDocs'], ',') !== false)

			{

				$excludeDocs = 'parent NOT IN ('.$this->config['excludeDocs'].')';

			}

			else

				$excludeDocs .= 'parent != ' . $this->config['excludeDocs'];

			if (!empty($docSelect))

				$docSelect.= ' AND ';

			$docSelect.= $excludeDocs;

		}



		$phx = new PHxParser();  // Instantiate PHx



		$items = '';



		// Retrieve list of documents under the requested id

		$filter = " WHERE deleted = '0' AND published = '1' AND type = 'document' AND hidemenu <= '" . $this->config['ignoreHidden'] . "'";

		if (!empty($docSelect))

			$filter.=' AND '.$docSelect;

	

		if ($this->config['paginate']) {

			//Retrieve total records

			$totalRows = $modx->db->getValue('select count(*) from '.$modx->getFullTableName('site_content').$filter);

			if (!empty($this->config['limit']) && $totalRows>$this->config['limit'])

				$totalRows = $this->config['limit'];

			$limit = $this->paginate($totalRows);

			if (!empty($limit))

				$limit = ' limit '.$limit;

		} else

			$limit = !empty($this->config['limit']) ? ' limit '.$this->config['limit'] : "";

		$result = $modx->db->query("select id, pagetitle, longtitle, description, alias, pub_date, introtext, editedby, editedon, publishedon, publishedby, menutitle from " . $modx->getFullTableName('site_content') . $filter. ' order by '. $this->config['gallerySortBy'] . ' ' . $this->config['gallerySortDir'] . $limit);

		$recordCount = $modx->db->getRecordCount($result);

		if ($recordCount > 0)

		{

		    $count = 1;

			while ($row = $modx->fetchRow($result))

			{

				$item_phx = new PHxParser();



				// Get total number of images for total placeholder

				$total_result = $modx->db->select("filename", $modx->getFullTableName($this->galleriesTable), "content_id = '" . $row['id'] . "'");

                $total = $modx->db->getRecordCount($total_result);



				// Fetch first image for each gallery, using the image sort order/direction

				$image_result = $modx->db->select("filename", $modx->getFullTableName($this->galleriesTable), "content_id = '" . $row['id'] . "'", $this->config['sortBy'] . ' ' . $this->config['sortDir'], '1');

				if ($modx->db->getRecordCount($image_result) > 0)

				{

					$image = $modx->fetchRow($image_result);

					foreach ($image as $name => $value)

						if ($name=='filename')

							$item_phx->setPHxVariable($name, rawurlencode(trim($value)));

						else

							$item_phx->setPHxVariable($name, trim($value));

					$item_phx->setPHxVariable('images_dir', $this->config['galleriesUrl'] . $row['id'] . '/');

					$item_phx->setPHxVariable('thumbs_dir', $this->config['galleriesUrl'] . $row['id'] . '/thumbs/');

					$item_phx->setPHxVariable('original_dir', $this->config['galleriesUrl'] . $row['id'] . '/original/');

					$item_phx->setPHxVariable('plugin_dir', $this->config['snippetUrl'] . $this->config['type'] . '/');



					foreach ($row as $name => $value)

						$item_phx->setPHxVariable($name, trim($value));

                    

                    // Get template variable output for row and set variables as needed

                    $row_tvs = $modx->getTemplateVarOutput('*',$row['id']);

					foreach ($row_tvs as $name => $value)

						$item_phx->setPHxVariable($name, trim($value));



					$item_phx->setPHxVariable('total', $total);



    				if(!empty($item_tpl_first) && $count == 1){

        				$items .= $item_phx->Parse($item_tpl_first);

    				} else if(!empty($item_tpl_last) && $count == $recordCount){

        				$items .= $item_phx->Parse($item_tpl_last);

    				} else if(!empty($item_tpl_alt) && $count % $this->config['itemAltNum'] == 0){

        				$items .= $item_phx->Parse($item_tpl_alt);

    				} else {

        				$items .= $item_phx->Parse($item_tpl);

    				}



				}

				$count++;

			}

		}



		$phx->setPHxVariable('items', $items);

		$phx->setPHxVariable('plugin_dir', $this->config['snippetUrl'] . $this->config['type'] . '/');



		return $phx->Parse($tpl);  // Pass through PHx;

	}



	/**

	* Generate a listing of thumbnails/images for gallery/slideshow display

	*/

	function renderImages()

	{

		global $modx;



		// Retrieve chunks/default templates from disk

		$tpl = ($this->config['tpl'] == '') ? file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.default.txt') : $modx->getChunk($this->config['tpl']);

		$item_tpl = ($this->config['itemTpl'] == '') ? file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.item.default.txt') : $modx->getChunk($this->config['itemTpl']);

		$item_tpl_first = ($this->config['itemTplFirst'] == '') ? @file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.item.first.txt') : $modx->getChunk($this->config['itemTplFirst']);

		$item_tpl_alt = ($this->config['itemTplAlt'] == '') ? @file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.item.alt.txt') : $modx->getChunk($this->config['itemTplAlt']);

		$item_tpl_last = ($this->config['itemTplLast'] == '') ? @file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.item.last.txt') : $modx->getChunk($this->config['itemTplLast']);



		$docSelect = '';

		if ($this->config['docId'] != '*' && !empty($this->config['docId']))

		{

			if (strpos($this->config['docId'], ',') !== false)

			{

				$docSelect = 'content_id IN ('.$this->config['docId'].')';

			}

			else

				$docSelect = 'content_id = ' . $this->config['docId'];

		}

		if ($this->config['excludeDocs'] > 0)

		{

			$excludeDocs = '';

			if (strpos($this->config['excludeDocs'], ',') !== false)

			{

				$excludeDocs = 'content_id NOT IN ('.$this->config['excludeDocs'].')';

			}

			else

				$excludeDocs .= 'content_id != ' . $this->config['excludeDocs'];

			if (!empty($docSelect))

				$docSelect.= ' AND ';

			$docSelect.= $excludeDocs;

		}



		if (!empty($this->config['tags']))

		{

            $mode = (!empty($this->config['tagMode']) ? $this->config['tagMode'] : 'AND');

            foreach (explode(',', $this->config['tags']) as $tag) {

            	$tagSelect .= "keywords LIKE '%" . trim($tag) . "%' ".$mode." ";

            }

            $tagSelect = rtrim($tagSelect, ' '.$mode.' ');

			if (!empty($docSelect))

				$docSelect.=' AND ';

            $docSelect .= "(".$tagSelect.")";

		}



		$phx = new PHxParser();  // Instantiate PHx



		$items = '';

		$limit = '';

		$where = !empty($docSelect)?' WHERE '.$docSelect.' ':'';

		if ($this->config['paginate']) {

			//Retrieve total records

			$totalRows = $modx->db->getValue('select count(*) from '.$modx->getFullTableName($this->galleriesTable).$where.(!empty($this->config['limit']) ? ' limit '.$this->config['limit'] : ""));

			$limit = $this->paginate($totalRows);

			if (!empty($limit))

				$limit = ' limit '.$limit;

		} else

			$limit = !empty($this->config['limit']) ? ' limit '.$this->config['limit'] : "";

		// Retrieve photos from the database table

		$result = $modx->db->query("select * from ". $modx->getFullTableName($this->galleriesTable). $where. ' order by '. $this->config['sortBy'] . ' ' . $this->config['sortDir']. $limit);

        $recordCount = $modx->db->getRecordCount($result);

		if ($recordCount > 0)

		{

            $count = 1;		    

			while ($row = $modx->fetchRow($result))

			{

				$item_phx = new PHxParser();

				foreach ($row as $name => $value)

					if ($name=='filename')

						$item_phx->setPHxVariable($name, rawurlencode(trim($value)));

					else

						$item_phx->setPHxVariable($name, trim($value));

				$imgsize = getimagesize($this->config['galleriesPath'] . $row['content_id'] . '/' . $row['filename']); 

				$item_phx->setPHxVariable('width',$imgsize[0]); 

				$item_phx->setPHxVariable('height',$imgsize[1]); 

				$item_phx->setPHxVariable('image_withpath', $this->config['galleriesUrl'] . $row['content_id'] . '/' . $row['filename']);

				$item_phx->setPHxVariable('images_dir', $this->config['galleriesUrl'] . $row['content_id'] . '/');

				$item_phx->setPHxVariable('thumbs_dir', $this->config['galleriesUrl'] . $row['content_id'] . '/thumbs/');

				$item_phx->setPHxVariable('original_dir', $this->config['galleriesUrl'] . $row['content_id'] . '/original/');

				$item_phx->setPHxVariable('plugin_dir', $this->config['snippetUrl'] . $this->config['type'] . '/');

				if(!empty($item_tpl_first) && $count == 1){

    				$items .= $item_phx->Parse($item_tpl_first);

				} else if(!empty($item_tpl_last) && $count == $recordCount){

    				$items .= $item_phx->Parse($item_tpl_last);

				} else if(!empty($item_tpl_alt) && $count % $this->config['itemAltNum'] == 0){

    				$items .= $item_phx->Parse($item_tpl_alt);

				} else {

    				$items .= $item_phx->Parse($item_tpl);

				}

				$count++;

			}

		}

		$phx->setPHxVariable('items', $items);

		$phx->setPHxVariable('plugin_dir', $this->config['snippetUrl'] . $this->config['type'] . '/');



		return $phx->Parse($tpl);  // Pass through PHx;

	}



	/**

	* Generate a listing of a single thumbnail/image for gallery/slideshow display

	*/

	function renderSingle()

	{

		global $modx;



		// Retrieve chunks/default templates from disk

		$tpl = ($this->config['tpl'] == '') ? file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.default.txt') : $modx->getChunk($this->config['tpl']);

		$item_tpl = ($this->config['itemTpl'] == '') ? file_get_contents($this->config['snippetPath'] . $this->config['type'] . '/tpl.item.default.txt') : $modx->getChunk($this->config['itemTpl']);



		$picSelect = '';

		if ($this->config['picId'] != '*' && !empty($this->config['picId']))

		{

				$picSelect = "id = '" . $this->config['picId'] . "'";

		}



		$phx = new PHxParser();  // Instantiate PHx



		$items = '';



		// Retrieve photos from the database table

	    $result = $modx->db->select("*", $modx->getFullTableName($this->galleriesTable), $picSelect);

		if ($modx->db->getRecordCount($result) > 0)

		{

			while ($row = $modx->fetchRow($result))

			{

				$item_phx = new PHxParser();

				foreach ($row as $name => $value)

					if ($name=='filename')

						$item_phx->setPHxVariable($name, rawurlencode(trim($value)));

					else

						$item_phx->setPHxVariable($name, trim($value));

				$item_phx->setPHxVariable('images_dir', $this->config['galleriesUrl'] . $row['content_id'] . '/');

				$item_phx->setPHxVariable('thumbs_dir', $this->config['galleriesUrl'] . $row['content_id'] . '/thumbs/');

				$item_phx->setPHxVariable('original_dir', $this->config['galleriesUrl'] . $row['content_id'] . '/original/');

				$item_phx->setPHxVariable('plugin_dir', $this->config['snippetUrl'] . $this->config['type'] . '/');

				$items .= $item_phx->Parse($item_tpl);

			}

		}



		$phx->setPHxVariable('items', $items);

		$phx->setPHxVariable('plugin_dir', $this->config['snippetUrl'] . $this->config['type'] . '/');



		return $phx->Parse($tpl);  // Pass through PHx;

	}



	/**

	* Get configuration settings for the selected gallery/slideshow type

	*/

	function getConfig($type)

	{

		global $modx;



		if (file_exists($this->config['snippetPath'] . $type . '/tpl.config.txt'))

		{

			$register = 0;



			$config = file($this->config['snippetPath'] . $type . '/tpl.config.txt');

			foreach ($config as $line)

			{

				$line = trim($line);



				if ($line == '')

					$register = 0;

				elseif (strpos($line, '@SCRIPT') === 0)

					$register = 1;

				elseif (strpos($line, '@CSS') === 0)

					$register = 2;

				elseif (strpos($line, '@EXTSCRIPT') === 0)

					$register = 3;

				elseif (strpos($line, '@EXTCSS') === 0)

					$register = 4;

				else

				{

					switch ($register)

					{

						case 1:

							$modx->regClientStartupScript($this->config['snippetUrl'] . $type . '/' . $line);

							break;

						case 2:

							$modx->regClientCSS($this->config['snippetUrl'] . $type . '/' . $line);

							break;

						case 3:

							$modx->regClientStartupScript($line);

							break;

						case 4:

							$modx->regClientCSS($line);

							break;

					}

				}

			}

		}

	}



	/**

	* Replace placeholders in template

	*/

	function processTemplate($tpl, $params)

	{

		//Parse placeholders

		foreach($params as $key=>$value)

		{

			$tpl = str_replace('[+'.$key.'+]', $value, $tpl);

		}

		return $tpl;

	}



	/**

	*  Set pagination's placeholders

	*  Return string with limit values for SQL query

	*/

	function paginate($totalRows) {

		global $modx;

		if (!$this->config['paginate'])

			return "";



		$pageUrl = !empty($this->config['id'])?$this->config['id'].'_page':'page';

		$page = isset($_GET[$pageUrl])?intval($_GET[$pageUrl]):1;

		$rowsPerPage = $this->config['show'];

		$totalPages = ceil($totalRows/$rowsPerPage);

		$previous = $page - 1;

		$next = $page + 1;

		$start = ($page-1)*$rowsPerPage;

		if ($start<0)

			$start = 0;

		$stop = $start + $rowsPerPage - 1;

		if ($stop>=$totalRows)

			$stop = $totalRows - 1;



		$split = "";

		if ($previous > 0 && $next <= $totalPages)

			$split = $paginateSplitterCharacter;



		$previoustpl = '';

		$previousplaceholder = '';

		if ($previous > 0)

			$previoustpl = 'tplPaginatePrevious';

		elseif ($this->config['paginateAlwaysShowLinks'])

			$previoustpl = 'tplPaginatePreviousOff';

		if (!empty($previoustpl))

			$previousplaceholder = $this->processTemplate($this->config[$previoustpl],

															array('url'=>$modx->makeUrl($modx->documentIdentifier,'',($previous!=1?"$pageUrl=$previous":"")),

																'PaginatePreviousText'=>$this->config['paginatePreviousText']));			

		$nexttpl = '';

		$nextplaceholder = '';

		if ($next <= $totalPages)

			$nexttpl = 'tplPaginateNext';

		elseif ($this->config['paginateAlwaysShowLinks'])

			$nexttpl = 'tplPaginateNextOff';

		if (!empty($nexttpl))

			$nextplaceholder = $this->processTemplate($this->config[$nexttpl],

														array('url'=>$modx->makeUrl($modx->documentIdentifier,'',($next!=1?"$pageUrl=$next":"")),

																'PaginateNextText'=>$this->config['paginateNextText']));			



		$pages = '';

		for ($i=1;$i<=$totalPages;$i++) {

			if ($i != $page) {

				$pages .= $this->processTemplate($this->config['tplPaginatePage'],

												array('url'=>$modx->makeUrl($modx->documentIdentifier,'',($i!=1?"$pageUrl=$i":"")),'page'=>$i));

			} else {

				$modx->setPlaceholder($this->config['id']."currentPage", $i);

				$pages .= $this->processTemplate($this->config['tplPaginateCurrentPage'], array('page'=>$i));

			}

		}

		$modx->setPlaceholder($this->config['id']."next", $nextplaceholder);

		$modx->setPlaceholder($this->config['id']."previous", $previousplaceholder);

		$modx->setPlaceholder($this->config['id']."splitter", $split);

		$modx->setPlaceholder($this->config['id']."start", $start+1);

		$modx->setPlaceholder($this->config['id']."stop", $stop+1);

		$modx->setPlaceholder($this->config['id']."total", $totalRows);

		$modx->setPlaceholder($this->config['id']."pages", $pages);

		$modx->setPlaceholder($this->config['id']."perPage", $rowsPerPage);

		$modx->setPlaceholder($this->config['id']."totalPages", $totalPages);

		return $start.','.($stop-$start+1);

	}	



}

?>