<?php

/**

 * @author    ThemePunch <info@themepunch.com>

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

 * @copyright 2015 ThemePunch

 */

 

if( !defined( 'ABSPATH') ) exit();



class RevSliderFunctions{

	

	public static function throwError($message,$code=null){

		if(!empty($code)){

			throw new Exception($message,$code);

		}else{

			throw new Exception($message);

		}

	}

	

	

	/**

	 * set output for download

	 */

	public static function downloadFile($str,$filename="output.txt"){

		

		//output for download

		header('Content-Description: File Transfer');

		header('Content-Type: text/html; charset=UTF-8');

		header("Content-Disposition: attachment; filename=".$filename.";");

		header("Content-Transfer-Encoding: binary");

		header("Content-Length: ".strlen($str));			

		echo $str;			

		exit();

	}

	

	

	

	/**

	 * turn boolean to string

	 */

	public static function boolToStr($bool){

		if(gettype($bool) == "string")

			return($bool);

		if($bool == true)

			return("true");

		else 

			return("false");

	}

	

	/**

	 * convert string to boolean

	 */

	public static function strToBool($str){

		if(is_bool($str))

			return($str);

			

		if(empty($str))

			return(false);

			

		if(is_numeric($str))

			return($str != 0);

			

		$str = strtolower($str);

		if($str == "true")

			return(true);

			

		return(false);

	}

	

	

	/**

	 * get value from array. if not - return alternative

	 */

	public static function getVal($arr,$key,$altVal=""){

		if(is_array($arr)){

			if(isset($arr[$key])){

				return($arr[$key]);

			}

		}elseif(is_object($arr)){

			if(isset($arr->$key)){

				return($arr->$key);

			}

		}

		return($altVal);

	}



	

	//------------------------------------------------------------

	// get variable from post or from get. post wins.

	public static function getPostGetVariable($name,$initVar = ""){

		$var = $initVar;

		if(isset($_POST[$name])) $var = $_POST[$name];

		else if(isset($_GET[$name])) $var = $_GET[$name];

		return($var);

	}

	

	

	//------------------------------------------------------------

	public static function getPostVariable($name,$initVar = ""){

		$var = $initVar;

		if(isset($_POST[$name])) $var = $_POST[$name];

		return($var);

	}

	

	

	//------------------------------------------------------------

	public static function getGetVar($name,$initVar = ""){

		$var = $initVar;

		if(isset($_GET[$name])) $var = $_GET[$name];

		return($var);

	}

	

	public static function sortByOrder($a, $b) {

		return $a['order'] - $b['order'];

	}

	

	/**

	 * validate that some file exists, if not - throw error

	 */

	public static function validateFilepath($filepath,$errorPrefix=null){

		if(file_exists($filepath) == true)

			return(false);

		if($errorPrefix == null)

			$errorPrefix = "File";

		$message = $errorPrefix." ".esc_attr($filepath)." not exists!";

		self::throwError($message);

	}

	

	/**

	 * validate that some value is numeric

	 */

	public static function validateNumeric($val,$fieldName=""){

		self::validateNotEmpty($val,$fieldName);

		

		if(empty($fieldName))

			$fieldName = "Field";

		

		if(!is_numeric($val))

			self::throwError("$fieldName should be numeric ");

	}

	

	/**

	 * validate that some variable not empty

	 */

	public static function validateNotEmpty($val,$fieldName=""){

		

		if(empty($fieldName))

			$fieldName = "Field";

			

		if(empty($val) && is_numeric($val) == false)

			self::throwError("Field <b>$fieldName</b> should not be empty");

	}



	

	//------------------------------------------------------------

	//get path info of certain path with all needed fields

	public static function getPathInfo($filepath){

		$info = pathinfo($filepath);

		

		//fix the filename problem

		if(!isset($info["filename"])){

			$filename = $info["basename"];

			if(isset($info["extension"]))

				$filename = substr($info["basename"],0,(-strlen($info["extension"])-1));

			$info["filename"] = $filename;

		}

		

		return($info);

	}

	

	/**

	 * Convert std class to array, with all sons

	 * @param unknown_type $arr

	 */

	public static function convertStdClassToArray($arr){

		$arr = (array)$arr;

		

		$arrNew = array();

		

		foreach($arr as $key=>$item){

			$item = (array)$item;

			$arrNew[$key] = $item;

		}

		

		return($arrNew);

	}

	

	public static function cleanStdClassToArray($arr){

		$arr = (array)$arr;

		

		$arrNew = array();

		

		foreach($arr as $key=>$item){

			$arrNew[$key] = $item;

		}

		

		return($arrNew);

	}

	

	

	/**

	 * encode array into json for client side

	 */

	public static function jsonEncodeForClientSide($arr){

		$json = "";

		if(!empty($arr)){

			$json = json_encode($arr);

			$json = addslashes($json);

		}



		if(empty($json)) $json = '{}';



		$json = "'".$json."'";

		

		return($json);

	}





	/**

	 * decode json from the client side

	 */

	public static function jsonDecodeFromClientSide($data){

	

		$data = stripslashes($data);

		$data = str_replace('&#092;"','\"',$data);

		$data = json_decode($data);

		$data = (array)$data;

		

		return($data);

	}

	

	

	/**

	 * do "trim" operation on all array items.

	 */

	public static function trimArrayItems($arr){

		if(gettype($arr) != "array")

			RevSliderFunctions::throwError("trimArrayItems error: The type must be array");

		

		foreach ($arr as $key=>$item){

			if(is_array($item)){

				foreach($item as $key => $value){

					$arr[$key][$key] = trim($value);

				}

			}else{

				$arr[$key] = trim($item);

			}

		}

		

		return($arr);

	}

	

	

	/**

	 * get link html

	 */

	public static function getHtmlLink($link,$text,$id="",$class=""){

		

		if(!empty($class))

			$class = " class='$class'";

		

		if(!empty($id))

			$id = " id='$id'";

			

		$html = "<a href=\"$link\"".$id.$class.">$text</a>";

		return($html);

	}

	

	/**

	 * get select from array

	 */

	public static function getHTMLSelect($arr,$default="",$htmlParams="",$assoc = false){

		

		$html = "<select $htmlParams>";

		foreach($arr as $key=>$item){				

			$selected = "";

			

			if($assoc == false){

				if($item == $default) $selected = " selected ";

			}else{ 

				if(trim($key) == trim($default)) $selected = " selected ";

			}

			

			

			if($assoc == true)

				$html .= "<option $selected value='$key'>$item</option>";

			else

				$html .= "<option $selected value='$item'>$item</option>";

		}

		$html.= "</select>";

		return($html);

	}

	

	

	/**

	 * convert assoc array to array

	 */

	public static function assocToArray($assoc){

		$arr = array();

		foreach($assoc as $item)

			$arr[] = $item;

		

		return($arr);

	}

	

	/**

	 * 

	 * strip slashes from textarea content after ajax request to server

	 */

	public static function normalizeTextareaContent($content){

		if(empty($content))

			return($content);

		$content = stripslashes($content);

		$content = trim($content);

		return($content);

	}

	

	

	/**

	 * get text intro, limit by number of words

	 */

	public static function getTextIntro($text, $limit){

		 

		$arrIntro = explode(' ', $text, $limit);

		 

		if (count($arrIntro)>=$limit) {

			array_pop($arrIntro);

			$intro = implode(" ",$arrIntro);

			$intro = trim($intro);

			if(!empty($intro))

				$intro .= '...';

		} else {

			$intro = implode(" ",$arrIntro);

		}

		  

		$intro = preg_replace('`\[[^\]]*\]`','',$intro);

		return($intro);

	}

	

	

	/**

	 * add missing px/% to value, do also for object and array

	 * @since: 5.0

	 **/

	public static function add_missing_val($obj, $set_to = 'px'){



		if(is_array($obj)){

			foreach($obj as $key => $value){

				if(strpos($value, $set_to) === false){

					$obj[$key] = $value.$set_to;

				}

			}

		}elseif(is_object($obj)){

			foreach($obj as $key => $value){

				if(strpos($value, $set_to) === false){

					$obj->$key = $value.$set_to;

				}

			}

		}else{

			if(strpos($obj, $set_to) === false){

				$obj .= $set_to;

			}

		}

		

		return $obj;

	}

	

	

	/**

	 * normalize object with device informations depending on what is enabled for the Slider

	 * @since: 5.0

	 **/

	public static function normalize_device_settings($obj, $enabled_devices, $return = 'obj', $set_to_if = array()){ //array -> from -> to

		/*desktop

		notebook

		tablet

		mobile*/

		

		if(!empty($set_to_if)){

			foreach($obj as $key => $value) {

				foreach($set_to_if as $from => $to){

					if(trim($value) == $from) $obj->$key = $to;

				}

			}

		}

		

		$inherit_size = self::get_biggest_device_setting($obj, $enabled_devices);

		if($enabled_devices['desktop'] == 'on'){

			if(!isset($obj->desktop) || $obj->desktop === ''){

				$obj->desktop = $inherit_size;

			}else{

				$inherit_size = $obj->desktop;

			}

		}else{

			$obj->desktop = $inherit_size;

		}

		

		if($enabled_devices['notebook'] == 'on'){

			if(!isset($obj->notebook) || $obj->notebook === ''){

				$obj->notebook = $inherit_size;

			}else{

				$inherit_size = $obj->notebook;

			}

		}else{

			$obj->notebook = $inherit_size;

		}

		

		if($enabled_devices['tablet'] == 'on'){

			if(!isset($obj->tablet) || $obj->tablet === ''){

				$obj->tablet = $inherit_size;

			}else{

				$inherit_size = $obj->tablet;

			}

		}else{

			$obj->tablet = $inherit_size;

		}

		

		if($enabled_devices['mobile'] == 'on'){

			if(!isset($obj->mobile) || $obj->mobile === ''){

				$obj->mobile = $inherit_size;

			}else{

				$inherit_size = $obj->mobile;

			}

		}else{

			$obj->mobile = $inherit_size;

		}

		

		switch($return){

			case 'obj':

				//order according to: desktop, notebook, tablet, mobile

				$new_obj = new stdClass();

				$new_obj->desktop = $obj->desktop;

				$new_obj->notebook = $obj->notebook;

				$new_obj->tablet = $obj->tablet;

				$new_obj->mobile = $obj->mobile;

				return $new_obj;

			break;

			case 'html-array':

				if($obj->desktop === $obj->notebook && $obj->desktop === $obj->mobile && $obj->desktop === $obj->tablet){

					return $obj->desktop;

				}else{

					return "['".@$obj->desktop."','".@$obj->notebook."','".@$obj->tablet."','".@$obj->mobile."']";

				}

			break;

		}

		

		return $obj;

	}

	

	

	/**

	 * return biggest value of object depending on which devices are enabled

	 * @since: 5.0

	 **/

	public static function get_biggest_device_setting($obj, $enabled_devices){

		

		if($enabled_devices['desktop'] == 'on'){

			if(isset($obj->desktop) && $obj->desktop != ''){

				return $obj->desktop;

			}

		}

		

		if($enabled_devices['notebook'] == 'on'){

			if(isset($obj->notebook) && $obj->notebook != ''){

				return $obj->notebook;

			}

		}

		

		if($enabled_devices['tablet'] == 'on'){

			if(isset($obj->tablet) && $obj->tablet != ''){

				return $obj->tablet;

			}

		}

		

		if($enabled_devices['mobile'] == 'on'){

			if(isset($obj->mobile) && $obj->mobile != ''){

				return $obj->mobile;

			}

		}

		

		return '';

	}

	

	

	/**

	 * change hex to rgba

	 */

    public static function hex2rgba($hex, $transparency = false, $raw = false, $do_rgb = false) {

        if($transparency !== false){

			$transparency = ($transparency > 0) ? number_format( ( $transparency / 100 ), 2, ".", "" ) : 0;

        }else{

            $transparency = 1;

        }



        $hex = str_replace("#", "", $hex);

		

        if(strlen($hex) == 3) {

            $r = hexdec(substr($hex,0,1).substr($hex,0,1));

            $g = hexdec(substr($hex,1,1).substr($hex,1,1));

            $b = hexdec(substr($hex,2,1).substr($hex,2,1));

        } else if(self::isrgb($hex)){

			return $hex;

		} else {

            $r = hexdec(substr($hex,0,2));

            $g = hexdec(substr($hex,2,2));

            $b = hexdec(substr($hex,4,2));

        }

		

		if($do_rgb){

			$ret = $r.', '.$g.', '.$b;

		}else{

			$ret = $r.', '.$g.', '.$b.', '.$transparency;

		}

		if($raw){

			return $ret;

		}else{

			return 'rgba('.$ret.')';

		}



    }

	



	public static function isrgb($rgba){

		if(strpos($rgba, 'rgb') !== false) return true;

		

		return false;

	}



	

	/**

	 * change rgba to hex

	 * @since: 5.0

	 */

	public static function rgba2hex($rgba){

		if(strtolower($rgba) == 'transparent') return $rgba;

		

		$temp = explode(',', $rgba);

		$rgb = array();

		if(count($temp) == 4) unset($temp[3]);

		foreach($temp as $val){

			$t = dechex(preg_replace('/[^\d.]/', '', $val));

			if(strlen($t) < 2) $t = '0'.$t;

			$rgb[] = $t;

		}

		

		return '#'.implode('', $rgb);

	}

	

	

	/**

	 * get transparency from rgba

	 * @since: 5.0

	 */

	public static function get_trans_from_rgba($rgba, $in_percent = false){

		if(strtolower($rgba) == 'transparent') return 100;

		

		$temp = explode(',', $rgba);

		if(count($temp) == 4){

			return ($in_percent) ? preg_replace('/[^\d.]/', '', $temp[3]) : preg_replace('/[^\d.]/', "", $temp[3]) * 100;

		}

		return 100;

	}

	

	

	public static function get_responsive_size($slider){

		$operations = new RevSliderOperations();

		$arrValues = $operations->getGeneralSettingsValues();

		

		$enable_custom_size_notebook = $slider->slider->getParam('enable_custom_size_notebook','off');

		$enable_custom_size_tablet = $slider->slider->getParam('enable_custom_size_tablet','off');

		$enable_custom_size_iphone = $slider->slider->getParam('enable_custom_size_iphone','off');

		$adv_resp_sizes = ($enable_custom_size_notebook == 'on' || $enable_custom_size_tablet == 'on' || $enable_custom_size_iphone == 'on') ? true : false;

		

		if($adv_resp_sizes == true){

			$width = $slider->slider->getParam("width", 1240, RevSlider::FORCE_NUMERIC);

			$def = $width;

			$width .= ',';

			if($enable_custom_size_notebook == 'on'){

				$width.= $slider->slider->getParam("width_notebook", 1024, RevSlider::FORCE_NUMERIC);

				$def = $slider->slider->getParam("width_notebook", 1024, RevSlider::FORCE_NUMERIC);

			}else{

				$width.= $def;

			}

			$width.= ',';

			if($enable_custom_size_tablet == 'on'){

				$width.= $slider->slider->getParam("width_tablet", 778, RevSlider::FORCE_NUMERIC);

				$def = $slider->slider->getParam("width_tablet", 778, RevSlider::FORCE_NUMERIC);

			}else{

				$width.= $def;

			}

			$width.= ',';

			if($enable_custom_size_iphone == 'on'){

				$width.= $slider->slider->getParam("width_mobile", 480, RevSlider::FORCE_NUMERIC);

				$def = $slider->slider->getParam("width_mobile", 480, RevSlider::FORCE_NUMERIC);

			}else{

				$width.= $def;

			}

			

			$height = $slider->slider->getParam("height", 1240, RevSlider::FORCE_NUMERIC);

			$def = $height;

			$height .= ',';

			if($enable_custom_size_notebook == 'on'){

				$height.= $slider->slider->getParam("height_notebook", 1024, RevSlider::FORCE_NUMERIC);

				$def = $slider->slider->getParam("height_notebook", 1024, RevSlider::FORCE_NUMERIC);

			}else{

				$height.= $def;

			}

			$height.= ',';

			if($enable_custom_size_tablet == 'on'){

				$height.= $slider->slider->getParam("height_tablet", 778, RevSlider::FORCE_NUMERIC);

				$def = $slider->slider->getParam("height_tablet", 778, RevSlider::FORCE_NUMERIC);

			}else{

				$height.= $def;

			}

			$height.= ',';

			if($enable_custom_size_iphone == 'on'){

				$height.= $slider->slider->getParam("height_mobile", 480, RevSlider::FORCE_NUMERIC);

				$def = $slider->slider->getParam("height_mobile", 480, RevSlider::FORCE_NUMERIC);

			}else{

				$height.= $def;

			}

			

			$responsive = (isset($arrValues['width'])) ? $arrValues['width'] : '1240';

			$def = (isset($arrValues['width'])) ? $arrValues['width'] : '1240';

			

			$responsive.= ',';

			if($enable_custom_size_notebook == 'on'){

				$responsive.= (isset($arrValues['width_notebook'])) ? $arrValues['width_notebook'] : '1024';

				$def = (isset($arrValues['width_notebook'])) ? $arrValues['width_notebook'] : '1024';

			}else{

				$responsive.= $def;

			}

			$responsive.= ',';

			if($enable_custom_size_tablet == 'on'){

				$responsive.= (isset($arrValues['width_tablet'])) ? $arrValues['width_tablet'] : '778';

				$def = (isset($arrValues['width_tablet'])) ? $arrValues['width_tablet'] : '778';

			}else{

				$responsive.= $def;

			}

			$responsive.= ',';

			if($enable_custom_size_iphone == 'on'){

				$responsive.= (isset($arrValues['width_mobile'])) ? $arrValues['width_mobile'] : '480';

				$def = (isset($arrValues['width_mobile'])) ? $arrValues['width_mobile'] : '480';

			}else{

				$responsive.= $def;

			}

			

			return array(

				'level' => $responsive,

				'height' => $height,

				'width' => $width

			);

		}else{

			

			$responsive = (isset($arrValues['width'])) ? $arrValues['width'] : '1240';

			$def = (isset($arrValues['width'])) ? $arrValues['width'] : '1240';

			$responsive.= ',';			

			$responsive.= (isset($arrValues['width_notebook'])) ? $arrValues['width_notebook'] : '1024';

			$responsive.= ',';	

			$responsive.= (isset($arrValues['width_tablet'])) ? $arrValues['width_tablet'] : '778';

			$responsive.= ',';			

			$responsive.= (isset($arrValues['width_mobile'])) ? $arrValues['width_mobile'] : '480';

			

			return array(

				'visibilitylevel' => $responsive,

				'height' => $slider->slider->getParam("height", "868", RevSlider::FORCE_NUMERIC),

				'width' => $slider->slider->getParam("width", "1240", RevSlider::FORCE_NUMERIC)

			);

		}

	}

	

	

}



if(!function_exists("dmp")){

	function dmp($str){

		echo "<div align='left'>";

		echo "<pre>";

		print_r($str);

		echo "</pre>";

		echo "</div>";

	}

}







/**

 * old classname extends new one (old classnames will be obsolete soon)

 * @since: 5.0

 **/

class UniteFunctionsRev extends RevSliderFunctions {}

?>