<?php
/**
 * Post Slider
 *
 * Display a slideshow or grid of Post Entries
 *
 * Todo: test with layerslider elements. currently throws error bc layerslider is only included if layerslider element is detected which is not the case with the post/page element
 *
 * This class does not support post css files
 * ==========================================
 */
if( ! defined( 'ABSPATH' ) ) {  exit;  }    // Exit if accessed directly


if( ! class_exists( 'avia_sc_postslider', false ) )
{
	class avia_sc_postslider extends aviaShortcodeTemplate
	{
		/**
		 * Create the config array for the shortcode button
		 */
		protected function shortcode_insert_button()
		{
			$this->config['version']		= '1.0';
			$this->config['self_closing']	= 'yes';
			$this->config['base_element']	= 'yes';

			$this->config['name']			= __( 'Post Slider', 'avia_framework' );
			$this->config['tab']			= __( 'Content Elements', 'avia_framework' );
			$this->config['icon']			= AviaBuilder::$path['imagesURL'] . 'sc-postslider.png';
			$this->config['order']			= 30;
			$this->config['target']			= 'avia-target-insert';
			$this->config['shortcode']		= 'av_postslider';
			$this->config['tooltip']		= __( 'Display a Slideshow of Post Entries', 'avia_framework' );
			$this->config['drag-level']		= 3;
			$this->config['disabling_allowed'] = true;
			$this->config['id_name']		= 'id';
			$this->config['id_show']		= 'yes';
			$this->config['alb_desc_id']	= 'alb_description';
		}

		protected function extra_assets()
		{
			$ver = Avia_Builder()->get_theme_version();
			$min_js = avia_minify_extension( 'js' );
			$min_css = avia_minify_extension( 'css' );

			//load css
			wp_enqueue_style( 'avia-module-slideshow', AviaBuilder::$path['pluginUrlRoot'] . "avia-shortcodes/slideshow/slideshow{$min_css}.css", array( 'avia-layout' ), $ver );
			wp_enqueue_style( 'avia-module-postslider', AviaBuilder::$path['pluginUrlRoot'] . "avia-shortcodes/postslider/postslider{$min_css}.css", array( 'avia-module-slideshow' ), $ver );

				//load js
			wp_enqueue_script( 'avia-module-slideshow', AviaBuilder::$path['pluginUrlRoot'] . "avia-shortcodes/slideshow/slideshow{$min_js}.js", array( 'avia-shortcodes' ), $ver, true );
		}

		/**
		 * Popup Elements
		 *
		 * If this function is defined in a child class the element automatically gets an edit button, that, when pressed
		 * opens a modal window that allows to edit the element properties
		 *
		 * @return void
		 */
		protected function popup_elements()
		{
			$this->elements = array(

				array(
						'type' 	=> 'tab_container',
						'nodescription' => true
					),

				array(
						'type' 	=> 'tab',
						'name'  => __( 'Content', 'avia_framework' ),
						'nodescription' => true
					),

					array(
							'type'			=> 'template',
							'template_id'	=> 'toggle_container',
							'templates_include'	=> array(
													$this->popup_key( 'content_slides' ),
													$this->popup_key( 'content_filter' ),
													$this->popup_key( 'content_excerpt' ),
												),
							'nodescription' => true
						),

				array(
						'type' 	=> 'tab_close',
						'nodescription' => true
					),

				array(
						'type' 	=> 'tab',
						'name'  => __( 'Styling', 'avia_framework' ),
						'nodescription' => true
					),

					array(
							'type'			=> 'template',
							'template_id'	=> 'toggle_container',
							'templates_include'	=> array(
													$this->popup_key( 'styling_columns' ),
													$this->popup_key( 'styling_image' ),
													$this->popup_key( 'styling_navigation' )
												),
							'nodescription' => true
						),

				array(
						'type' 	=> 'tab_close',
						'nodescription' => true
					),

				array(
						'type' 	=> 'tab',
						'name'  => __( 'Advanced', 'avia_framework' ),
						'nodescription' => true
					),

					array(
							'type' 	=> 'toggle_container',
							'nodescription' => true
						),

						array(
								'type'			=> 'template',
								'template_id'	=> $this->popup_key( 'advanced_animation_slider' ),
								'nodescription' => true
							),

						array(
								'type'			=> 'template',
								'template_id'	=> 'lazy_loading_toggle',
								'lockable'		=> true
							),

						array(
								'type'			=> 'template',
								'template_id'	=> 'screen_options_toggle',
								'lockable'		=> true
							),

						array(
								'type'			=> 'template',
								'template_id'	=> 'developer_options_toggle',
								'args'			=> array( 'sc' => $this )
							),

					array(
							'type' 	=> 'toggle_container_close',
							'nodescription' => true
						),

				array(
						'type' 	=> 'tab_close',
						'nodescription' => true
					),

				array(
						'type'			=> 'template',
						'template_id'	=> 'element_template_selection_tab',
						'args'			=> array( 'sc' => $this )
					),

				array(
						'type' 	=> 'tab_container_close',
						'nodescription' => true
					)

				);

		}

		/**
		 * Create and register templates for easier maintainance
		 *
		 * @since 4.6.4
		 */
		protected function register_dynamic_templates()
		{

			/**
			 * Content Tab
			 * ===========
			 */

			$c = array(
						array(
							'name'		=> __( 'Which Entries Should Be Used', 'avia_framework' ),
							'desc'		=> __( 'Select which entries should be displayed by selecting a taxonomy', 'avia_framework' ),
							'id'		=> 'link',
							'type'		=> 'linkpicker',
							'fetchTMPL'	=> true,
							'multiple'	=> 6,
							'std'		=> 'category',
							'lockable'	=> true,
							'subtype'	=> array( __( 'Display Entries from:', 'avia_framework' ) => 'taxonomy' )
						),

						array(
							'name'		=> __( 'Multiple Categories/Terms Relation', 'avia_framework' ),
							'desc'		=> __( 'Select to use an OR or AND relation. In AND an entry must be in all selected categories/terms to be displayed. Defaults to OR', 'avia_framework' ),
							'id'		=> 'term_rel',
							'type'		=> 'select',
							'std'		=> '',
							'lockable'	=> true,
							'subtype'	=> array(
												__( 'OR', 'avia_framework' )	=> '',
												__( 'AND', 'avia_framework' )	=> 'AND'
											)
						)

				);

			if( current_theme_supports( 'add_avia_builder_post_type_option' ) )
			{
				$element = array(
								'type'			=> 'template',
								'template_id'	=> 'avia_builder_post_type_option',
								'lockable'		=> true,
							);

				array_unshift( $c, $element );
			}

			$template = array(
							array(
								'type'			=> 'template',
								'template_id'	=> 'toggle',
								'title'			=> __( 'Entries', 'avia_framework' ),
								'content'		=> $c
							),
					);

			AviaPopupTemplates()->register_dynamic_template( $this->popup_key( 'content_slides' ), $template );

			$c = array(
						array(
							'type'			=> 'template',
							'template_id' 	=> 'wc_options_non_products',
							'lockable'		=> true
						),


						array(
							'type'			=> 'template',
							'template_id' 	=> 'date_query',
							'lockable'		=> true,
							'period'		=> true
						),

						array(
							'name'		=> __( 'Entry Number', 'avia_framework' ),
							'desc'		=> __( 'How many items should be displayed?', 'avia_framework' ),
							'id'		=> 'items',
							'type'		=> 'select',
							'std'		=> '9',
							'lockable'	=> true,
							'subtype'	=> AviaHtmlHelper::number_array( 1, 100, 1, array( 'All' => '-1' ) )
						),

						array(
							'name'		=> __( 'Offset Number', 'avia_framework' ),
							'desc'		=> __( 'The offset determines where the query begins pulling posts. Useful if you want to remove a certain number of posts because you already query them with another post slider element.', 'avia_framework' ),
							'id'		=> 'offset',
							'type'		=> 'select',
							'std'		=> '0',
							'lockable'	=> true,
							'subtype'	=> AviaHtmlHelper::number_array( 1, 100, 1, array( __( 'Deactivate offset', 'avia_framework') => '0', __( 'Do not allow duplicate posts on the entire page (set offset automatically)', 'avia_framework' ) => 'no_duplicates' ) )
						),

						array(
							'type'			=> 'template',
							'template_id' 	=> 'page_element_filter',
							'lockable'		=> true
						)
				);

			$template = array(
							array(
								'type'			=> 'template',
								'template_id'	=> 'toggle',
								'title'			=> __( 'Filters', 'avia_framework' ),
								'content'		=> $c
							),
					);

			AviaPopupTemplates()->register_dynamic_template( $this->popup_key( 'content_filter' ), $template );

			$c = array(
						array(
							'name'		=> __( 'Slide Content', 'avia_framework' ),
							'desc'		=> __( 'Select what information you want to display', 'avia_framework' ),
							'id'		=> 'contents',
							'type'		=> 'select',
							'std'		=> 'excerpt',
							'lockable'	=> true,
							'subtype'	=> array(
												__( 'Title and Excerpt', 'avia_framework' )					=> 'excerpt',
												__( 'Title, Excerpt and Read More Link', 'avia_framework' )	=> 'excerpt_read_more',
												__( 'Only Title', 'avia_framework' )						=> 'title',
												__( 'Title and Read More Link', 'avia_framework' )			=> 'title_read_more',
												__( 'Only Excerpt', 'avia_framework' )						=> 'only_excerpt',
												__( 'Excerpt and Read More Link', 'avia_framework' )		=> 'only_excerpt_read_more',
												__( 'No Title, no Excerpt', 'avia_framework' )				=> 'no'
											)
						),

				);

			$template = array(
							array(
								'type'			=> 'template',
								'template_id'	=> 'toggle',
								'title'			=> __( 'Content', 'avia_framework' ),
								'content'		=> $c
							),
					);

			AviaPopupTemplates()->register_dynamic_template( $this->popup_key( 'content_excerpt' ), $template );


			/**
			 * Styling Tab
			 * ===========
			 */

			$c = array(
						array(
							'name'		=> __( 'Columns', 'avia_framework' ),
							'desc'		=> __( 'How many columns should be displayed?', 'avia_framework' ),
							'id'		=> 'columns',
							'type'		=> 'select',
							'std'		=> '3',
							'lockable'	=> true,
							'subtype'	=> array(
												__( '1 Columns', 'avia_framework' )	=> '1',
												__( '2 Columns', 'avia_framework' )	=> '2',
												__( '3 Columns', 'avia_framework' )	=> '3',
												__( '4 Columns', 'avia_framework' )	=> '4',
												__( '5 Columns', 'avia_framework' )	=> '5',
											)
						)

				);

			$template = array(
							array(
								'type'			=> 'template',
								'template_id'	=> 'toggle',
								'title'			=> __( 'Columns', 'avia_framework' ),
								'content'		=> $c
							),
					);

			AviaPopupTemplates()->register_dynamic_template( $this->popup_key( 'styling_columns' ), $template );

			$c = array(
						array(
							'name'		=> __( 'Preview Image Size', 'avia_framework' ),
							'desc'		=> __( 'Set the image size of the preview images', 'avia_framework' ),
							'id'		=> 'preview_mode',
							'type'		=> 'select',
							'std'		=> 'auto',
							'lockable'	=> true,
							'subtype'	=> array(
												__( 'Set the preview image size automatically based on column width', 'avia_framework' )	=> 'auto',
												__( 'Choose the preview image size manually (select thumbnail size)', 'avia_framework' )	=> 'custom'
											)
						),

						array(
							'name'		=> __( 'Select custom preview image size', 'avia_framework' ),
							'desc'		=> __( 'Choose image size for Preview Image', 'avia_framework' ),
							'id'		=> 'image_size',
							'type'		=> 'select',
							'std'		=> 'portfolio',
							'lockable'	=> true,
							'required' 	=> array( 'preview_mode', 'equals', 'custom' ),
							'subtype'	=>  AviaHelper::get_registered_image_sizes( array( 'logo' ) )
						)
				);

			$template = array(
							array(
								'type'			=> 'template',
								'template_id'	=> 'toggle',
								'title'			=> __( 'Preview Image', 'avia_framework' ),
								'content'		=> $c
							),
					);

			AviaPopupTemplates()->register_dynamic_template( $this->popup_key( 'styling_image' ), $template );


			$c = array(

						array(
							'type'			=> 'template',
							'template_id'	=> 'slideshow_controls',
							'std_nav'		=> 'av-navigate-arrows',
							'lockable'		=> true
						)

				);

			$template = array(
							array(
								'type'			=> 'template',
								'template_id'	=> 'toggle',
								'title'			=> __( 'Navigation Controls', 'avia_framework' ),
								'content'		=> $c
							),
					);

			AviaPopupTemplates()->register_dynamic_template( $this->popup_key( 'styling_navigation' ), $template );

			/**
			 * Advanced Tab
			 * ===========
			 */

			$c = array(
/*
						array(
							'name'		=> __( 'Post Slider Transition', 'avia_framework' ),
							'desc'		=> __( 'Choose the transition for your Post Slider.', 'avia_framework' ),
							'id'		=> 'animation',
							'type'		=> 'select',
							'std'		=> 'fade',
							'subtype'	=> array(
												__( 'Slide', 'avia_framework' )	=> 'slide',
												__( 'Fade', 'avia_framework' )	=> 'fade'
											),
						),
*/

						array(
							'type'			=> 'template',
							'template_id'	=> 'slideshow_rotation',
							'select_vals'	=> 'yes,no',
							'stop_id'		=> 'autoplay_stopper',
							'lockable'		=> true
						)

				);

			$template = array(
							array(
								'type'			=> 'template',
								'template_id'	=> 'toggle',
								'title'			=> __( 'Slider Animation', 'avia_framework' ),
								'content'		=> $c
							),
					);

			AviaPopupTemplates()->register_dynamic_template( $this->popup_key( 'advanced_animation_slider' ), $template );

		}

		/**
		 * Editor Element - this function defines the visual appearance of an element on the AviaBuilder Canvas
		 * Most common usage is to define some markup in the $params['innerHtml'] which is then inserted into the drag and drop container
		 * Less often used: $params['data'] to add data attributes, $params['class'] to modify the className
		 *
		 * @param array $params			holds the default values for $content and $args.
		 * @return array				usually holds an innerHtml key that holds item specific markup.
		 */
		public function editor_element( $params )
		{
			$params = parent::editor_element( $params );
			$params['content'] = null; //remove to allow content elements

			return $params;
		}

		/**
		 * Frontend Shortcode Handler
		 *
		 * @param array $atts array of attributes
		 * @param string $content text within enclosing form of shortcode element
		 * @param string $shortcodename the shortcode found, when == callback name
		 * @return string $output returns the modified html string
		 */
		public function shortcode_handler( $atts, $content = '', $shortcodename = '', $meta = '' )
		{
			$default = avia_post_slider::get_defaults();

			$locked = array();
			Avia_Element_Templates()->set_locked_attributes( $atts, $this, $shortcodename, $default, $locked, $content );
			Avia_Element_Templates()->add_template_class( $meta, $atts, $default );

			$screen_sizes = AviaHelper::av_mobile_sizes( $atts );

			if( isset( $atts['img_scrset'] ) && 'disabled' == $atts['img_scrset'] )
			{
				Av_Responsive_Images()->force_disable( 'disabled' );
			}

			if( isset( $atts['link'] ) )
			{
				$atts['link'] = explode(',', $atts['link'], 2 );
				$atts['taxonomy'] = $atts['link'][0];

				if( isset( $atts['link'][1] ) )
				{
					$atts['categories'] = $atts['link'][1];
				}
			}

			$atts['class'] = $meta['el_class'];
			$atts['el_id'] = $meta['custom_el_id'];

			$atts = array_merge( $atts, $screen_sizes );

			/**
			 * @since 4.5.5
			 * @return array
			 */
			$atts = apply_filters( 'avf_post_slider_args', $atts, $this->config['shortcode'], $this );

			$slider = new avia_post_slider( $atts );
			$slider->query_entries();
			$html = $slider->html();

			Av_Responsive_Images()->force_disable( 'reset' );

			return $html;
		}

	}
}


if ( ! class_exists( 'avia_post_slider', false ) )
{
	/**
	 * This class does not support post css files
	 * ==========================================
	 */
	class avia_post_slider
	{
		/**
		 * @since < 4.0
		 * @var int
		 */
		static public $slide = 0;

		/**
		 *
		 * @since < 4.0
		 * @var array
		 */
		protected $atts;

		/**
		 *
		 * @since < 4.0
		 * @var WP_Query
		 */
		protected $entries;

		/**
		 *
		 * @since 4.7.6.4
		 * @var int
		 */
		protected $current_page;

		/**
		 * @since < 4.0
		 * @since 5.6			added to pass a WP_Query object
		 * @param array $atts
		 */
		public function __construct( $atts = array() )
		{
			$this->entries = null;
			$this->current_page = 1;

			if( isset( $atts['wp_query'] ) && $atts['wp_query'] instanceof WP_Query )
			{
				$this->entries = $atts['wp_query'];
				$this->set_posts_on_current_page();
			}

			$this->atts = shortcode_atts( avia_post_slider::get_defaults(), $atts, 'av_postslider' );

			if( ! in_array( $this->atts['slider_navigation'], array( 'av-navigate-arrows', 'av-navigate-dots', 'av-navigate-arrows av-navigate-dots' ) ) )
			{
				$this->atts['slider_navigation'] = 'av-navigate-arrows';
			}

			if( $this->atts['term_rel'] != 'AND' )
			{
				$this->atts['term_rel'] = 'IN';
			}
		}

		/**
		 * @since 4.5.5
		 */
		public function __destruct()
		{
			unset( $this->atts );
			unset( $this->entries );
		}

		/**
		 * Returns the defaults array
		 *
		 * @since 4.8
		 * @return array
		 */
		static public function get_defaults()
		{
			$defaults = array(
							'type'					=> 'slider', // can also be used as grid
							'style'					=> '', //no_margin
							'columns'				=> '4',
							'items'					=> '16',
							'taxonomy'				=> 'category',
							'term_rel'				=> 'IN',
							'control_layout'		=> 'av-control-default',
							'slider_navigation'		=> 'av-navigate-arrows',
							'nav_visibility_desktop'	=> '',
							'wc_prod_visible'		=> '',
							'wc_prod_hidden'		=> '',
							'wc_prod_featured'		=> '',
							'wc_prod_sale'			=> '',
							'prod_order_by'			=> '',
							'prod_order'			=> '',
							'show_meta_data'		=> '',		//	'' | 'always' | 'on_empty_title' | 'on_empty_content' (use filter to change)
							'post_type'				=> get_post_types(),
							'contents'				=> 'excerpt',
							'preview_mode'			=> 'auto',
							'image_size'			=> 'portfolio',
							'animation'				=> 'fade',
							'transition_speed'		=> '',
							'autoplay'				=> 'no',
							'interval'				=> 5,
							'autoplay_stopper'		=> '',
							'manual_stopper'		=> '',
							'paginate'				=> 'no',
							'use_main_query_pagination' => 'no',
							'class'					=> '',
							'el_id'					=> '',
							'categories'			=> array(),
							'custom_query'			=> array(),
							'offset'				=> 0,
							'custom_markup'			=> '',
							'av_display_classes'	=> '',
							'date_filter'			=> '',
							'date_filter_start'		=> '',
							'date_filter_end'		=> '',
							'date_filter_format'	=> 'yy/mm/dd',		//	'yy/mm/dd' | 'dd-mm-yy'	| yyyymmdd
							'period_filter_unit_1'	=> '',
							'period_filter_unit_2'	=> '',
							'page_element_filter'	=> '',
							'lazy_loading'			=> 'disabled',
							'img_scrset'			=> ''
			);

			return $defaults;
		}

		/**
		 * @since 5.4
		 * @return array
		 */
		public function get_atts()
		{
			return $this->atts;
		}

		/**
		 *
		 * @since < 4.0
		 * @return string
		 */




// Umgestaltung der Ausgabe (Auszug, innerhalb der Klasse avia_post_slider)

      public function html()
      {
          $output = '';

          if( empty( $this->entries ) || ! $this->entries instanceof WP_Query || empty( $this->entries->posts ) )
          {
              return $output;
          }

          avia_post_slider::$slide ++;
          extract( $this->atts );

          if( $preview_mode == 'auto' )
          {
              $image_size = 'portfolio';
          }

          $extraClass        = 'first';
          $grid              = 'one_third';
          $post_loop_count   = 1;
          $loop_counter      = 1;
          $autoplay            = $autoplay == 'no' ? false : true;
          $total            = $columns % 2 ? 'odd' : 'even';
          $blogstyle         = function_exists( 'avia_get_option' ) ? avia_get_option( 'blog_global_style', '' ) : '';
          $excerpt_length    = 60;
          $total_posts       = $this->entries->post_count;
          $output_class      = 'avia-content-slider-wrap avia-content-slider-active ' . $style . ' ' . $class;
          $data              = 'data-autoplay="' . $autoplay . '" data-interval="' . $interval . '" data-animation="' . $animation . '" ';
          $data             .= 'data-manual_stopper="' . $manual_stopper . '" data-loop_once="' . $autoplay_stopper . '" ';
          $total_thumb_count = 0;


          if( ! in_array( $columns, array( 1, 2, 3, 4, 5 ) ) )
          {
              $columns = 3;
          }

          switch( $columns )
          {
              case '1':
                  $grid = 'no_margin';
                  break;
              case '2':
                  $grid = 'one_half';
                  break;
              case '3':
                  $grid = 'one_third';
                  break;
              case '4':
                  $grid = 'one_fourth';
                  break;
              case '5':
                  $grid = 'one_fifth';
                  break;
          }

          $this->set_posts_on_current_page();

          $output .= '<div ' . $data . ' class="' . $output_class . '">';
          $output .= '<div class="avia-content-slider-inner">';

// Hier wird die neue Klasse hinzugefügt
          $output .= '<div class="slide-entry-wrap av-postslider-columns-' . $columns . '">';

          while ( $this->entries->have_posts() ) : $this->entries->the_post();

              $current_post_data  = array();
              $current_post_data['format'] = get_post_format();
              if( empty( $current_post_data['format'] ) )
              {
                  $current_post_data['format'] = 'standard';
              }
              
              $current_post_data['permalink'] = get_permalink();
              $current_post_data['title'] = get_the_title();
              $current_post_data['content'] = get_the_excerpt();
              $current_post_data['author'] = get_the_author();
              $current_post_data['date'] = get_the_time(get_option('date_format'));
              $current_post_data['image'] = get_the_post_thumbnail(get_the_ID(), $image_size);

              $output .= '<article class="slide-entry flex_column ' . $grid . ' ' . $current_post_data['format'] . '">';
              $output .= '<div class="slide-entry-inner">';
              
// Platzhalte falls kein featured image da ist
  
              $output .= '<a href="' . $current_post_data['permalink'] . '" data-rel="slide-'. avia_post_slider::$slide .'" class="slide-image">';
              $output .= '    <span class="slide-overlay"></span>';

              // NEUER CODE FÜR DEN ENFOLD-STANDARD-PLATZHALTER
              if( empty( $current_post_data['image'] ) )
              {
                  // Hier ist der von Ihnen bereitgestellte SVG-Code
                  $output .= '<span class="fallback-post-type-icon avia-svg-icon avia-font-svg_entypo-fontello" data-av_svg_icon="link" data-av_iconset="svg_entypo-fontello"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="26" height="32" viewBox="0 0 26 32" preserveAspectRatio="xMidYMid meet" role="graphics-symbol" aria-hidden="true"><path d="M9.408 23.488q0.448-0.448 1.088-0.448t1.152 0.448q1.024 1.088 0 2.24l-1.344 1.28q-1.792 1.792-4.224 1.792-2.496 0-4.288-1.792t-1.792-4.224q0-2.496 1.792-4.288l4.736-4.736q2.24-2.176 4.608-2.464t4.096 1.376q0.512 0.512 0.512 1.152t-0.512 1.152q-1.152 1.024-2.24 0-1.6-1.536-4.224 1.088l-4.736 4.672q-0.832 0.832-0.832 2.048t0.832 1.984q0.832 0.832 2.016 0.832t2.016-0.832zM23.808 5.12q1.792 1.792 1.792 4.224 0 2.496-1.792 4.288l-5.056 5.056q-2.368 2.304-4.8 2.304-1.984 0-3.584-1.6-0.448-0.448-0.448-1.088t0.448-1.152q0.448-0.448 1.12-0.448t1.12 0.448q1.6 1.536 3.904-0.768l5.056-4.992q0.896-0.896 0.896-2.048 0-1.216-0.896-1.984-0.768-0.832-1.792-0.992t-1.92 0.672l-1.6 1.6q-0.512 0.448-1.152 0.448t-1.088-0.448q-1.088-1.088 0-2.24l1.6-1.6q1.728-1.728 4.064-1.632t4.128 1.952z"></path></svg></span>';
              } else {
                  $output .= $current_post_data['image'];
              }
              $output .= '</a>';





              $output .= '    <div class="slide-content">';
              $output .= '        <header class="entry-content-header">';
              $output .= '            <h3 class="slide-content-title">';
              $output .= '                <a href="' . $current_post_data['permalink'] . '" title="' . $current_post_data['title'] . '">' . $current_post_data['title'] . '</a>';
              $output .= '            </h3>';
              $output .= '            <div class="slide-meta">';
              $output .= '                <span class="blog-author minor-meta">' . $current_post_data['author'] . '</span>';
              $output .= '                <span class="text-sep">|</span>';
              $output .= '                <span class="blog-date minor-meta">' . $current_post_data['date'] . '</span>';
              $output .= '            </div>';
              $output .= '        </header>';
              $output .= '        <div class="entry-content">';
              $output .= '            ' . $current_post_data['content'];
              $output .= '        </div>';
              $output .= '    </div>';
              $output .= '    <footer class="entry-footer">';
              $output .= '         <a class="more-link" href="' . $current_post_data['permalink'] . '">' . __('Read more','avia_framework') . '<span class="avia_continue_reading_arrow"></span></a>';
              $output .= '    </footer>';
              $output .= '</div>';
              $output .= '</article>';

              $post_loop_count++;
              if($post_loop_count > $columns || $loop_counter == $total_posts)
              {
                  $post_loop_count = 1;
                  $extraClass = '';
              }

              $loop_counter++;

          endwhile;

          $output .= '</div>'; // Schließt den einzigen Wrapper div.slide-entry-wrap


          $output .= '</div>';

          if( false !== strpos( $slider_navigation, 'av-navigate-arrows' ) )
          {
              $output .= '<div class="avia-slideshow-arrows avia-slideshow-controls">';
              $output .= '    <a href="#prev" class="prev-slide">' . __('Previous','avia_framework') . '</a>';
              $output .= '    <a href="#next" class="next-slide">' . __('Next','avia_framework') . '</a>';
              $output .= '</div>';
          }


          if( false !== strpos( $slider_navigation, 'av-navigate-dots' ) && 'av-control-hidden' != $control_layout )
          {
              $output .= '<div class="avia-slideshow-dots avia-slideshow-controls">';
              $output .= '    <a data-avia-slide-to="1" href="#1" class="active-slide">' . '1' . '</a>';

              $counter = 2;
              while($counter <= $total_posts)
              {
                  $output .= '    <a data-avia-slide-to="' . $counter . '" href="#' . $counter . '">' . $counter . '</a>';
                  $counter++;
              }
              $output .= '</div>';
          }

          $output .= '</div>';

          wp_reset_query();

          return $output;
      }



// public funciton html ende


		/**
		 * Create arrows to scroll slides
		 *
		 * @since 4.8.3			reroute to aviaFrontTemplates
		 * @return string
		 */
		protected function slide_navigation_arrows()
		{
			$args = array(
						'context'	=> get_class( $this ),
						'params'	=> $this->atts,
						'svg_icon'	=> true
					);

			return aviaFrontTemplates::slide_navigation_arrows( $args );
		}

		/**
		 * Create dots to scroll tabs
		 *
		 * @since 5.0			reroute to aviaFrontTemplates
		 * @return string
		 */
		protected function slide_navigation_dots()
		{
			$args = array(
						'class_main'		=> 'avia-slideshow-dots avia-slideshow-controls avia-post-slider fade-in',
						'total_entries'		=> $this->entries->post_count,
						'container_entries'	=> $this->atts['columns'],
						'context'			=> get_class( $this ),
						'params'			=> $this->atts
					);

			return aviaFrontTemplates::slide_navigation_dots( $args );
		}

		/**
		 * Fetch new entries
		 *
		 * @since < 4.0
		 * @param array $params
		 */
		public function query_entries( $params = array() )
		{
			global $avia_config;

			if( empty( $params ) )
			{
				$params = $this->atts;
			}

			if( empty( $params['custom_query'] ) )
			{
				$query = array();
				$terms = array();

				if( ! empty( $params['categories'] ) )
				{
					//get the portfolio categories
					$terms = explode( ',', $params['categories'] );
				}

				if( $params['use_main_query_pagination'] == 'yes' )
				{
					$this->current_page = ( $params['paginate'] != 'no' ) ? avia_get_current_pagination_number() : 1;
				}
				else
				{
					$this->current_page = ( $params['paginate'] != 'no' ) ? avia_get_current_pagination_number( 'avia-element-paging' ) : 1;
				}

				//if we find no terms for the taxonomy fetch all taxonomy terms
				if( empty( $terms[0] ) || is_null( $terms[0] ) || $terms[0] === 'null' )
				{
					$term_args = array(
								'taxonomy'		=> $params['taxonomy'],
								'hide_empty'	=> true
							);
					/**
					 * To display private posts you need to set 'hide_empty' to false,
					 * otherwise a category with ONLY private posts will not be returned !!
					 *
					 * You also need to add post_status 'private' to the query params with filter avia_post_slide_query.
					 *
					 * @since 4.4.2
					 * @added_by Günter
					 * @param array $term_args
					 * @param array $params
					 * @return array
					 */
					$term_args = apply_filters( 'avf_av_postslider_term_args', $term_args, $params );

					$allTax = AviaHelper::get_terms( $term_args );

					$terms = array();
					foreach( $allTax as $tax )
					{
						$terms[] = $tax->term_id;
					}
				}

				if( $params['offset'] == 'no_duplicates' )
				{
					$params['offset'] = false;
					$no_duplicates = true;
				}

				//wordpress 4.4 offset fix
				if( $params['offset'] == 0 )
				{
					$params['offset'] = false;
				}
				else
				{
					//if the offset is set the paged param is ignored. therefore we need to factor in the page number
					$params['offset'] = $params['offset'] + ( ( $this->current_page - 1 ) * $params['items'] );
				}

				if( empty( $params['post_type'] ) )
				{
					$params['post_type'] = get_post_types();
				}

				if( is_string($params['post_type'] ) )
				{
					$params['post_type'] = explode( ',', $params['post_type'] );
				}

				$orderby = 'date';
				$order = 'DESC';

				$date_query = AviaHelper::date_query( array(), $params );

				// Meta query - replaced by Tax query in WC 3.0.0
				$meta_query = array();
				$tax_query = array();


				// check if taxonomy are set to product or product attributes
				$tax = get_taxonomy( $params['taxonomy'] );

				if( class_exists( 'WooCommerce', false ) && is_object( $tax ) && isset( $tax->object_type ) && in_array( 'product', (array) $tax->object_type ) )
				{
					$avia_config['woocommerce']['disable_sorting_options'] = true;

					avia_wc_set_out_of_stock_query_params( $meta_query, $tax_query, $params['wc_prod_visible'] );
					avia_wc_set_hidden_prod_query_params( $meta_query, $tax_query, $params['wc_prod_hidden'] );
					avia_wc_set_featured_prod_query_params( $meta_query, $tax_query, $params['wc_prod_featured'] );
					avia_wc_set_on_sale_prod_query_params( $meta_query, $tax_query, $params['wc_prod_sale'] );

						//	sets filter hooks !!
					$ordering_args = avia_wc_get_product_query_order_args( $params['prod_order_by'], $params['prod_order'] );

					$orderby = $ordering_args['orderby'];
					$order = $ordering_args['order'];
					$params['meta_key'] = $ordering_args['meta_key'];
				}

				if( ! empty( $terms ) )
				{
					$tax_query[] = array(
										'taxonomy' 	=>	$params['taxonomy'],
										'field' 	=>	'id',
										'terms' 	=>	$terms,
										'operator' 	=>	count( $terms ) == 1 ? 'IN' : $params['term_rel']
								);
				}

				$query = array(
								'orderby'		=> $orderby,
								'order'			=> $order,
								'paged'			=> $this->current_page,
								'post_type'		=> $params['post_type'],
//								'post_status'	=> 'publish',
								'offset'		=> $params['offset'],
								'posts_per_page' => $params['items'],
								'post__not_in'	=> ( ! empty( $no_duplicates ) ) ? $avia_config['posts_on_current_page'] : array(),
								'meta_query'	=> $meta_query,
								'tax_query'		=> $tax_query,
								'date_query'	=> $date_query
							);
			}
			else
			{
				$query = $params['custom_query'];
			}

			if( ! empty( $params['meta_key'] ) )
			{
				$query['meta_key'] = $params['meta_key'];
			}

			if( 'skip_current' == $params['page_element_filter'] )
			{
				$query['post__not_in'] = isset( $query['post__not_in'] ) ? $query['post__not_in'] : [];
				$query['post__not_in'][] = get_the_ID();
			}

			/**
			 * @used_by				config-bbpress\config.php	avia_remove_bbpress_post_type_from_query()			10
			 * @used_by				config-wpml\config.php		avia_translate_ids_from_query						10
			 * @used_by				avia_WPML::handler_avia_post_slide_query										20
			 *
			 * @since < 4.0
			 * @param array $query
			 * @param array $params
			 * @return array
			 */
			$query = apply_filters( 'avia_post_slide_query', $query, $params );

			@$this->entries = new WP_Query( $query ); //@ is used to prevent errors caused by wpml

			$this->set_posts_on_current_page();

			if( function_exists( 'WC' ) )
			{
				avia_wc_clear_catalog_ordering_args_filters();
				$avia_config['woocommerce']['disable_sorting_options'] = false;
			}
		}

		/**
		 * Store the queried post ids in $avia_config
		 *
		 * @since 5.6
		 */
		protected function set_posts_on_current_page()
		{
			global $avia_config;

			if( ! $this->entries instanceof WP_Query )
			{
				return;
			}

			if( $this->entries->post_count > 0 )
			{
				foreach( $this->entries->posts as $entry )
				{
					$avia_config['posts_on_current_page'][] = $entry->ID;
				}
			}
		}
	}
}