/wp-content/plugins/codepress-admin-columns/classes/values.php

<?php



/**

 * CPAC_Values Class

 *

 * @since     1.4.4

 *

 */

class CPAC_Values

{

	protected $excerpt_length, $thumbnail_size;



	/**

	 * Constructor

	 *

	 * @since     1.0

	 */

	function __construct()

	{

		// number of words

		$this->excerpt_length	= 20;

		$this->thumbnail_size	= apply_filters( 'cpac_thumbnail_size', array(80,80) );

	}



	/**

	 * Admin requests for orderby column

	 *

	 * @since     1.0

	 */

	public function get_stored_columns($type)

	{

		return Codepress_Admin_Columns::get_stored_columns($type);

	}



	/**

	 * Checks if column-meta key exists

	 *

	 * @since     1.0

	 */

	public static function is_column_meta( $id = '' )

	{

		return Codepress_Admin_Columns::is_column_meta( $id );

	}



	/**

	 * Returns excerpt

	 *

	 * @since     1.0

	 */

	protected function get_post_excerpt($post_id)

	{

		global $post;



		$save_post 	= $post;

		$post 		= get_post($post_id);

		$excerpt 	= get_the_excerpt();

		$post 		= $save_post;



		$output = $this->get_shortened_string($excerpt, $this->excerpt_length );



		return $output;

	}



	/**

	 * Returns shortened string

	 *

	 * @since     1.0

	 */

	protected function get_shortened_string($string = '', $num_words = 55, $more = null)

	{

		if (!$string)

			return false;



		return wp_trim_words( $string, $num_words, $more );

	}



	/**

	 *	Get image from assets folder

	 *

	 * 	@since     1.3.1

	 */

	protected function get_asset_image($name = '', $title = '')

	{

		if ( $name )

			return sprintf("<img alt='' src='%s' title='%s'/>", CPAC_URL."/assets/images/{$name}", $title);

	}



	/**

	 *	Shorten URL

	 *

	 * 	@since     1.3.1

	 */

	protected function get_shorten_url($url = '')

	{

		if ( !$url )

			return false;



		// shorten url

		$short_url 	= url_shorten( $url );



		return "<a title='{$url}' href='{$url}'>{$short_url}</a>";

	}



	/**

	 *	Get column value of post attachments

	 *

	 * 	@since     1.0

	 */

	protected function get_column_value_attachments( $post_id )

	{

		$result 	 	= '';

		$attachment_ids = $this->get_attachment_ids($post_id);

		if ( $attachment_ids ) {

			foreach ( $attachment_ids as $attach_id ) {

				if ( wp_get_attachment_image($attach_id) )

					$result .= wp_get_attachment_image( $attach_id, $this->thumbnail_size, true );

			}

		}

		return $result;

	}



	/**

	 *	Get column value of post attachments

	 *

	 * 	@since     1.2.1

	 */

	protected function get_attachment_ids( $post_id )

	{

		return Codepress_Admin_Columns::get_attachment_ids( $post_id );

	}



	/**

	 * Get a thumbnail

	 *

	 * @since     1.0

	 */

	protected function get_thumbnail( $image = '' )

	{

		if ( empty($image) )

			return false;



		// get thumbnail image size

		$image_size = $this->thumbnail_size; // w, h



		// incase the thumbnail dimension is set by name

		if ( !is_array($image_size) ) {

			global $_wp_additional_image_sizes;

			if ( isset($_wp_additional_image_sizes[$image_size]) ) {

				$_size 		= $_wp_additional_image_sizes[$image_size];

				$image_size = array( $_size['width'], $_size['height'] );

			}

		}



		// fallback for image size incase the passed size name does not exists

		if ( !isset($image_size[0]) || !isset($image_size[1]) ) {

			$image_size = array(80, 80);

		}



		// get correct image path

		$image_path = str_replace( WP_CONTENT_URL, WP_CONTENT_DIR, $image);



		// resize image

		if ( file_exists($image_path) && $this->is_image($image_path) ) {

			$resized = image_resize( $image_path, $image_size[0], $image_size[1], true);



			// resize worked

			if ( ! is_wp_error( $resized ) ) {

				$image  = str_replace( WP_CONTENT_DIR, WP_CONTENT_URL, $resized);



				return "<img src='{$image}' alt='' width='{$image_size[0]}' height='{$image_size[1]}' />";

			}



			// resizing failed so let's return full image with maxed dimensions

			else {

				return "<img src='{$image}' alt='' style='max-width:{$image_size[0]}px;max-height:{$image_size[1]}px' />";

			}

		}



		return false;

	}



	/**

	 * Checks an URL for image extension

	 *

	 * @since     1.2

	 */

	protected function is_image($url)

	{

		$validExt  	= array('.jpg', '.jpeg', '.gif', '.png', '.bmp');

		$ext    	= strrchr($url, '.');



		return in_array($ext, $validExt);

	}



	/**

	 * Get a thumbnail

	 *

	 * @since     1.3.1

	 */

	protected function get_media_thumbnails($meta)

	{

		$meta = $this->strip_trim( str_replace(' ','', $meta) );



		// split media ids

		$media_ids = array($meta);

		if ( strpos($meta, ',') !== false )

			$media_ids = explode(',', $meta);



		// check if media exists

		$thumbs = '';

		foreach ( $media_ids as $media_id )

			if ( is_numeric($media_id) )

				$thumbs .= wp_get_attachment_url($media_id) ? "<span class='cpac-column-value-image'>".wp_get_attachment_image( $media_id, array(80,80), true )."</span>" : '';



		return $thumbs;

	}



	/**

	 *	Convert file size to readable format

	 *

	 * 	@since     1.4.5

	 */

	function get_readable_filesize($size)

    {

		$filesizename = array(" Bytes", " KB", " MB", " GB", " TB", " PB", " EB", " ZB", " YB");

		return $size ? round($size/pow(1024, ($i = floor(log($size, 1024)))), 2) . $filesizename[$i] : '0 Bytes';

    }



	/**

	 *	Get column value of Custom Field

	 *

	 * 	@since     1.0

	 */

	protected function get_column_value_custom_field($object_id, $column_name, $meta_type = 'post')

	{

		/** Users */

		if ( 'user' == $meta_type ) {

			$type = 'wp-users';

		}



		/** Media */

		elseif ( 'media' == $meta_type ) {

			$type = 'wp-media';

			$meta_type = 'post';

		}



		/** Posts */

		else {

			$type 	= get_post_type($object_id);

		}



		// get column

		$columns 	= $this->get_stored_columns($type);



		// inputs

		$field	 	= isset($columns[$column_name]['field']) 	  ? $columns[$column_name]['field'] 		: '';

		$fieldtype	= isset($columns[$column_name]['field_type']) ? $columns[$column_name]['field_type'] 	: '';

		$before 	= isset($columns[$column_name]['before']) 	  ? $columns[$column_name]['before'] 		: '';

		$after 		= isset($columns[$column_name]['after']) 	  ? $columns[$column_name]['after'] 		: '';



		// rename hidden custom fields to their original name

		$field = substr($field,0,10) == "cpachidden" ? str_replace('cpachidden','',$field) : $field;



		// Get meta field value

		$meta 	 	= get_metadata($meta_type, $object_id, $field, true);



		// multiple meta values

		if ( ( $fieldtype == 'array' && is_array($meta) ) || is_array($meta) ) {

			$meta 	= get_metadata($meta_type, $object_id, $field, true);

			$meta 	= $this->recursive_implode(', ', $meta);

		}



		// make sure there are no serialized arrays or null data

		if ( !is_string($meta) )

			return false;



		// handles each field type differently..

		switch ($fieldtype) :



			// Image

			case "image" :

				$meta = $this->get_thumbnail($meta);

				break;



			// Media Library ID

			case "library_id" :

				$meta = $this->get_media_thumbnails($meta);

				break;



			// Excerpt

			case "excerpt" :

				$meta = $this->get_shortened_string($meta, $this->excerpt_length);

				break;



			// Date

			case "date" :

				$meta = $this->get_date($meta);

				break;



			// Post Title

			case "title_by_id" :

				$titles = $this->get_custom_field_value_title($meta);

				if ( $titles )

					$meta = $titles;

				break;



			// User Name

			case "user_by_id" :

				$names = $this->get_custom_field_value_user($meta);

				if ( $names )

					$meta = $names;

				break;



			// Checkmark

			case "checkmark" :

				$checkmark = $this->get_asset_image('checkmark.png');



				if ( empty($meta) || 'false' === $meta || '0' === $meta ) {

					$checkmark = '';

				}



				$meta = $checkmark;

				break;



			// Color

			case "color" :

				if ( !empty($meta) ) {

					$meta = "<div class='cpac-color'><span style='background-color:{$meta}'></span>{$meta}</div>";

				}

				break;



		endswitch;



		// filter for customization

		$meta = apply_filters('cpac_get_column_value_custom_field', $meta, $fieldtype, $field, $type, $object_id );



		// add before and after string

		if ( $meta ) {

			$meta = "{$before}{$meta}{$after}";

		}



		return $meta;

	}



	/**

	 *	Get custom field value 'Title by ID'

	 *

	 * 	@since     1.3

	 */

	protected function get_custom_field_value_title($meta)

	{

		//remove white spaces and strip tags

		$meta = $this->strip_trim( str_replace(' ','', $meta) );



		// var

		$ids = $titles = array();



		// check for multiple id's

		if ( strpos($meta, ',') !== false )

			$ids = explode(',',$meta);

		elseif ( is_numeric($meta) )

			$ids[] = $meta;



		// display title with link

		if ( $ids && is_array($ids) ) {

			foreach ( $ids as $id ) {

				$title = is_numeric($id) ? get_the_title($id) : '';

				$link  = get_edit_post_link($id);

				if ( $title )

					$titles[] = $link ? "<a href='{$link}'>{$title}</a>" : $title;

			}

		}



		return implode('<span class="cpac-divider"></span>', $titles);

	}



	/**

	 *	Get custom field value 'User by ID'

	 *

	 * 	@since     1.4.6.3

	 */

	protected function get_custom_field_value_user($meta)

	{

		//remove white spaces and strip tags

		$meta = $this->strip_trim( str_replace(' ','', $meta) );



		// var

		$ids = $names = array();



		// check for multiple id's

		if ( strpos($meta, ',') !== false )

			$ids = explode(',',$meta);

		elseif ( is_numeric($meta) )

			$ids[] = $meta;



		// display username

		if ( $ids && is_array($ids) ) {

			foreach ( $ids as $id ) {

				if ( !is_numeric($id) )

					continue;



				$userdata = get_userdata($id);

				if ( is_object($userdata) && !empty( $userdata->display_name ) ) {

					$names[] = $userdata->display_name;

				}

			}

		}



		return implode('<span class="cpac-divider"></span>', $names);

	}



	/**

	 *	Get column value of Custom Field

	 *

	 * 	@since     1.2

	 */

	protected function get_user_column_value_custom_field($user_id, $id)

	{

		$columns 	= $this->get_stored_columns('wp-users');



		// inputs

		$field	 	= isset($columns[$id]['field']) 	 ? $columns[$id]['field'] 		: '';

		$fieldtype	= isset($columns[$id]['field_type']) ? $columns[$id]['field_type'] 	: '';

		$before 	= isset($columns[$id]['before']) 	 ? $columns[$id]['before'] 		: '';

		$after 		= isset($columns[$id]['after']) 	 ? $columns[$id]['after'] 		: '';



		// Get meta field value

		$meta 	 	= get_user_meta($user_id, $field, true);



		// multiple meta values

		if ( ( $fieldtype == 'array' && is_array($meta) ) || is_array($meta) ) {

			$meta 	= get_user_meta($user_id, $field);

			$meta 	= $this->recursive_implode(', ', $meta);

		}



		// make sure there are no serialized arrays or empty meta data

		if ( empty($meta) || !is_string($meta) )

			return false;



		// handles each field type differently..

		switch ($fieldtype) :



			// Image

			case "image" :

				$meta = $this->get_thumbnail($meta);

				break;



			// Media Library ID

			case "library_id" :

				$meta = $this->get_media_thumbnails($meta);

				break;



			// Excerpt

			case "excerpt" :

				$meta = $this->get_shortened_string($meta, $this->excerpt_length);

				break;



		endswitch;



		// filter for customization

		$meta = apply_filters('cpac_get_user_column_value_custom_field', $meta, $fieldtype, $field );



		// add before and after string

		$meta = "{$before}{$meta}{$after}";



		return $meta;

	}



	/**

	 *	Implode for multi dimensional array

	 *

	 * 	@since     1.0

	 */

	protected function recursive_implode( $glue, $pieces )

	{

		foreach( $pieces as $r_pieces )	{

			if( is_array( $r_pieces ) ) {

				$retVal[] = $this->recursive_implode( $glue, $r_pieces );

			}

			else {

				$retVal[] = $r_pieces;

			}

		}

		if ( isset($retVal) && is_array($retVal) )

			return implode( $glue, $retVal );



		return false;

	}



	/**

	 * Strip tags and trim

	 *

	 * @since     1.3

	 */

	protected function strip_trim($string)

	{

		return Codepress_Admin_Columns::strip_trim($string);

	}



	/**

	 * Get date

	 *

	 * @since     1.3.1

	 */

	protected function get_date( $date )

	{		

		if ( empty( $date ) || in_array( $date, array( '0000-00-00 00:00:00', '0000-00-00', '00:00:00' ) ) )

			return false;

		

		// Parse with strtotime if it's:

		// - not numeric ( like a unixtimestamp )

		// - date format: yyyymmdd ( format used by ACF ) must start with 19xx or 20xx and is 8 long

		

		// @todo: in theory a numeric string of 8 can also be a unixtimestamp. 

		// we need to replace this with an option to mark a date as unixtimestamp.

		if ( ! is_numeric($date) || ( is_numeric( $date ) && strlen( trim($date) ) == 8 && ( strpos( $date, '20' ) === 0 || strpos( $date, '19' ) === 0  ) ) )

			$date = strtotime($date);

		

		return date_i18n( get_option('date_format'), $date );

	}



	/**

	 * Get time

	 *

	 * @since     1.3.1

	 */

	protected function get_time($date)

	{

		if ( ! $date )

			return false;



		if ( ! is_numeric($date) )

			$date = strtotime($date);



		return date_i18n( get_option('time_format'), $date );

	}

}



?>