.-.-.-.-.-

<?php
/**
 * Check actiovation status for js plugins in theme options
 */
function theme_options_js_plugin() {
  global $opt_settings;
  echo '';
  $match_height_selector = $opt_settings['opt-js-match-height-selector'];
  $match_height = $opt_settings['opt-enable-js-match-height'];
  $lazy_load = $opt_settings['opt-enable-lazy-load'];
  $owl_carousel = $opt_settings['opt-enable-owl-carousel'];

$js_plugin = array(
    'match_height'  => $match_height,
  	'lazy_load' 		=> $lazy_load,
  	'owl_carousel'	=> $owl_carousel,
  );

if( count($match_height_selector) > 0 && $match_height == '1' ) {
  	echo '';
  	echo '<input type="hidden" value="'.htmlspecialchars(json_encode($match_height_selector,JSON_FORCE_OBJECT)).'" id="match-height-selector">';
  }
  //Check enabled JS plugin in theme option
  echo '<input type="hidden" value="'.htmlspecialchars(json_encode($js_plugin, JSON_FORCE_OBJECT)).'" id="js-plugins">';
  echo '';
}

/**
* Check activation status for pace js plugin
*/
function pace_js_init() {
  global $opt_settings;
  if( $opt_settings['opt-head-code'] != '' ) {
    echo '';
    echo $opt_settings['opt-head-code'];
    echo '';
  }
}

/**
* Get image attachment id from url
*/
function get_image_id( $attachment_url = '' ) {

global $wpdb;
	$attachment_id = false;

// If there is no url, return.
	if ( '' == $attachment_url )
		return;

// Get the upload directory paths
	$upload_dir_paths = wp_upload_dir();

// Make sure the upload path base directory exists in the attachment URL, to verify that we're working with a media library image
	if ( false !== strpos( $attachment_url, $upload_dir_paths['baseurl'] ) ) {

// If this is the URL of an auto-generated thumbnail, get the URL of the original image
		$attachment_url = preg_replace( '/-\d+x\d+(?=\.(jpg|jpeg|png|gif)$)/i', '', $attachment_url );

// Remove the upload path base directory from the attachment URL
		$attachment_url = str_replace( $upload_dir_paths['baseurl'] . '/', '', $attachment_url );

// Finally, run a custom database query to get the attachment ID from the modified attachment URL
		$attachment_id = $wpdb->get_var( $wpdb->prepare( "SELECT wposts.ID FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta WHERE wposts.ID = wpostmeta.post_id AND wpostmeta.meta_key = '_wp_attached_file' AND wpostmeta.meta_value = '%s' AND wposts.post_type = 'attachment'", $attachment_url ) );

}

return $attachment_id;
}

/**
 * Replace all images src to data-src in the_content
 */
function replace_images_src( $content ) {
  global $opt_settings;
	if( $opt_settings['opt-enable-lazy-load'] == '1' ) {
		$content = mb_convert_encoding($content, 'HTML-ENTITIES', "UTF-8");
	  $dom = new DOMDocument();
	  @$dom->loadHTML($content);

// Convert Images
	  $images = [];

foreach ($dom->getElementsByTagName('img') as $node) {
	    $images[] = $node;
	  }

foreach ($images as $node) {
	    $fallback = $node->cloneNode(true);

$oldsrc = $node->getAttribute('src');
      $image_id = get_image_id( $oldsrc );
      $placeholder = wp_get_attachment_image_src( $image_id, 'image-placeholder' )[0];
	    $node->setAttribute('data-src', $oldsrc );
	    $newsrc = get_template_directory_uri() . '/assets/images/placeholder.jpg';

if( !$placeholder || $opt_settings['opt-lazy-load-blur'] != '1' ) {
        $placeholder = $newsrc;
      }

$node->setAttribute('src', $placeholder);

$oldsrcset = $node->getAttribute('srcset');
	    $node->setAttribute('data-srcset', $oldsrcset );
	    $newsrcset = '';
	    $node->setAttribute('srcset', $newsrcset);

$classes = $node->getAttribute('class');
	    $newclasses = $classes . ' lazy';
	    $node->setAttribute('class', $newclasses);
      $node->setAttribute('style', 'background-color:#E8E8E8');

$noscript = $dom->createElement('noscript', '');
	    $node->parentNode->insertBefore($noscript, $node);
	    $noscript->appendChild($fallback);
	  }

$newHtml = preg_replace('/^<!DOCTYPE.+?>/', '', str_replace( array('<html>', '</html>', '<body>', '</body>'), array('', '', '', ''), $dom->saveHTML()));
	 return $newHtml;
 }else {
   return $content;
 }
}

/**
* Compress CSS Code
*/
function compress($code) {
    $code = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $code);
    $code = str_replace(array("\r\n", "\r", "\n", "\t", '  ', '    ', '    '), '', $code);
    $code = str_replace('{ ', '{', $code);
    $code = str_replace(' }', '}', $code);
    $code = str_replace('; ', ';', $code);

return $code;
}

/**
* Add Custom CSS per page to header
*/
function render_custom_css() {
  echo '<style media="screen" type="text/css">';
  echo compress( custom_css_get_meta( 'custom-css-code' ) );
  echo '</style>';
}

add_filter( 'the_content', 'replace_images_src', 20 );
add_action('ize_head_hooks', 'pace_js_init');
add_action('ize_head_hooks', 'render_custom_css');
add_action('theme_options_js_plugin', 'theme_options_js_plugin');

function theme_add_widget_folders( $folders ){
    $folders[] = get_template_directory() . '/inc/admin/widget-folder/';
    return $folders;
}
add_action('siteorigin_widgets_widget_folders', 'theme_add_widget_folders');

function show_gallery_image_home($type = 'all', $start = '0', $ppp = 5){
  $args = array(
    'post_type' => 'ize_gallery',
    'post_status' => 'publish',
    'posts_per_page' => $ppp,
    'offset' => $start
  );
  $result = '';
  $postquery = new WP_Query($args);
  $layout = array('square', 'landscape', 'landscape', 'square-65', 'square-35');
  $count = 0;
  if($postquery->have_posts()){

foreach ($postquery->get_posts() as $key => $value) {
      $just = CFS()->get('type', $value->ID, array('format' => 'raw'));
      if($just[0] == 'video'){
        $image = CFS()->get('video_thumbnail',$value->ID, array('format' => 'raw'));
        $id = CFS()->get('id_video',$value->ID, array('format' => 'raw'));
        $alt = CFS()->get('alt_image',$value->ID, array('format' => 'raw'));
        $description = CFS()->get('description_image',$value->ID, array('format' => 'raw'));
        if($count == 4){
            $result .= '<div class="last-item ms-item ms-size--'.$layout[$count].' the-last"><div style="background-image:url('.$image.');" class="ms-image"><a href="'.get_home_url().'/gallery" class="explore-more">EXPLORE GALLERY</a></div></div>';
        } else {
          $result .= '<a href="https://www.youtube.com/watch?v='.$id.'"
                                 data-youtube="'.$id.'" type="text/html"
                                 poster="'.$image.'" class="ms-video-item ms-item ms-size--'.$layout[$count].'"  title="'.get_the_title($value->ID).'" data-description="'.$description.'"><div style="background-image:url('.$image.');" class="ms-image"></div></a>';
        }
      } else {
        $image = wp_get_attachment_image_src( get_post_thumbnail_id($value->ID), 'full');
        $image_w = $image[1];
        $image_h = $image[2];
        $alt = CFS()->get('alt_image',$value->ID, array('format' => 'raw'));
        $description = CFS()->get('description_image',$value->ID, array('format' => 'raw'));
        if($count == 4){
          $result .= '<div class="last-item ms-item ms-size--'.$layout[$count].' the-last"><div style="background-image:url('.$image[0].');" class="ms-image"><a href="'.get_home_url().'/gallery" class="explore-more">EXPLORE GALLERY</a></div></div>';

}else{
          $result .= '<a href="'.$image[0].'"  title="'.get_the_title($value->ID).'" data-description="'.$description.'" class="ms-item ms-size--'.$layout[$count].'"><div style="background-image:url('.$image[0].');" class="ms-image"></div></a>';
        }
      }
      $count++;
      if(count($layout) == $count){
        $count = 0;
      }
    }
    wp_reset_postdata();
  }
  return $result;
}

$count++;
      if(count($layout) == $count){
        $count = 0;
      }
    }
    wp_reset_postdata();
  }
  return $result;
}
add_action( 'wp_ajax_nopriv_show_gallery_ajax', 'show_gallery_ajax' );
add_action( 'wp_ajax_show_gallery_ajax', 'show_gallery_ajax' );

function show_gallery_ajax() {
  if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
		echo show_gallery_image($_POST['data']['type'], $_POST['data']['offset'], 9);
	}
	die();
}
function izeTruncate( $string, $limit, $break=" ", $pad="...") {

// return with no change if string is shorter than $limit
 if(strlen($string) <= $limit){
    return $string;
 }

$string = substr($string, 0, $limit);
 if(false !== ($breakpoint = strrpos($string, $break))){
    $string = substr($string, 0, $breakpoint);
 }
 return $string . $pad;
}
function get_excerpt_by_id($post_id){
    if (has_excerpt($post_id)) {
      $the_excerpt = apply_filters( 'the_excerpt', get_the_excerpt($post_id) );
    } else {
      $the_excerpt = '';
    }
    return $the_excerpt;
}

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