Sindbad~EG File Manager

<?php
/**
 * CF7 Skins - Skins Class.
 * 
 * Base class for templates and styles.
 *
 * @package cf7skins
 * @author Neil Murray
 * 
 * @since 0.1.0
 */

/**
 * Return if class already exists in theme or other plugins to avoid errors.
 * 
 * @since 0.2.0
 */
if ( class_exists( 'CF7_Skin' ) ) {
	return;
}

class CF7_Skin {
	
	// Class variables
	var $name, $version, $textdomain;
	
	/**
	 * Class constructor
	 * 
	 * @since 0.1.0
	 */
	function __construct() {
		// Set class variables
		$this->name 	  = CF7SKINS_OPTIONS;
		$this->version 	  = CF7SKINS_VERSION;
		$this->textdomain = CF7SKINS_TEXTDOMAIN;
	}
	
	
	/**
	 * Get post id in post edit screen.
	 * 
	 * @since 0.1.0
	 */
	function get_id() {
		$post_id = isset( $_GET['post'] ) ? (int) $_GET['post'] : 0;
		return $post_id;
	}
	
	/**
	 * Get slug name for template or style based on directory name.
	 * 
	 * @param $skin (TYPE) current processed template or style reading data
	 * 
	 * @since 0.1.0
	 */
	function get_slug_name( $skin ) {
		echo str_replace(' ', '-', $skin['dir'] );
	}
	
	/**
	 * Return the skin thumbnail image url.
	 * 
	 * @param $skin (TYPE) current processed template or style reading data
	 * 
	 * @since 0.1.0
	 */
	function get_skin_thumbnail( $skin ) {
		$imgpath = $skin['path'] . $skin['dir'] . '/thumbnail.png';
		
		// Check if thumbnail.png exists or load default thumbnail
		if( file_exists( $imgpath ) ) {
			$imgurl = $skin['url'] . $skin['dir'] . '/thumbnail.png';
		}
		else {
			$imgurl = CF7SKINS_URL . 'images/no-preview.png';
		}
		return $imgurl;
	}
	
	/**
	 * Return the skin modal image url, if does not exist thumbnail.png will be returned.
	 * 
	 * @parameter $skin is the current processed skin reading data
	 * 
	 * @since 0.1.0
	 */
	function get_skin_modal( $skin ) {
		$imgpath = $skin['path'] . $skin['dir'] . '/modal.png';
		
		// Check if modal.png exists
		if( file_exists( $imgpath ) ) {
			$imgurl = $skin['url'] . $skin['dir'] . '/modal.png';
		}
		else {
			$imgurl = $this->get_skin_thumbnail( $skin );
		}
		return $imgurl;
	}

} // End class