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<?php |
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/** |
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* Class used to handle paging for gallery templates |
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*/ |
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if ( ! class_exists( 'FooGallery_Paging' ) ) { |
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class FooGallery_Paging { |
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function __construct() { |
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if ( is_admin() ) { |
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//add extra fields to the templates that support lazy loading |
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add_filter( 'foogallery_override_gallery_template_fields', array( $this, 'add_paging_fields' ), 10, 2 ); |
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//build up any preview arguments |
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add_filter( 'foogallery_preview_arguments', array( $this, 'preview_arguments' ), 10, 3 ); |
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} |
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//adds the paging property to a FooGallery |
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add_action( 'foogallery_foogallery_instance_after_load', array( $this, 'determine_paging' ), 10, 2 ); |
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//add the paging attributes to the gallery container |
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add_filter( 'foogallery_build_container_data_options', array( $this, 'add_paging_options' ), 10, 3 ); |
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} |
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/** |
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* Add paging fields to the gallery template |
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* |
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* @uses "foogallery_override_gallery_template_fields" |
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* @param $fields |
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* @param $template |
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* |
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* @return array |
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*/ |
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function add_paging_fields( $fields, $template ) { |
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if ( $template && array_key_exists( 'paging_support', $template ) && true === $template['paging_support'] ) { |
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$fields[] = array( |
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'id' => 'paging_type', |
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'title' => __( 'Paging', 'foogallery' ), |
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'desc' => __( 'Add paging to a large gallery.', 'foogallery' ), |
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'section' => __( 'Paging', 'foogallery' ), |
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'spacer' => '<span class="spacer"></span>', |
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'type' => 'radio', |
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'choices' => apply_filters( 'foogallery_gallery_template_paging_choices', array( |
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'' => __( 'None', 'foogallery' ), |
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'dots' => __( 'Dots', 'foogallery' ), |
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'pagination' => __( 'Pagination', 'foogallery' ), |
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'infinite' => __( 'Infinite Scroll', 'foogallery' ), |
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'loadMore' => __( 'Load More', 'foogallery' ) |
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) ), |
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'row_data'=> array( |
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'data-foogallery-change-selector' => 'input', |
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'data-foogallery-preview' => 'shortcode' |
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) |
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); |
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} |
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return $fields; |
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} |
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/** |
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* Determine if the gallery has paging enabled |
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* |
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* @param $foogallery FooGallery |
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* @param $post |
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*/ |
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function determine_paging( $foogallery, $post ) { |
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//always disable paging by default |
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$paging = $foogallery->get_setting( 'paging_type', '' ) !== ''; |
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$foogallery->paging = apply_filters( 'foogallery_paging', $paging, $foogallery ); |
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} |
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/** |
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* Add the required paging options if needed |
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* |
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* @param $attributes array |
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* @param $gallery FooGallery |
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* |
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* @return array |
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*/ |
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function add_paging_options($options, $gallery, $attributes) { |
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if ( isset( $gallery->paging ) && true === $gallery->paging) { |
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//check if we have arguments from the shortcode and override the saved settings |
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global $current_foogallery_arguments; |
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if ( isset( $current_foogallery_arguments ) && isset( $current_foogallery_arguments['paging'] ) ) { |
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$paging = $current_foogallery_arguments['paging']; |
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} else { |
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$paging = $gallery->get_setting( 'paging_type', '' ); |
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} |
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$options['paging'] = array( |
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'type' => $paging, |
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'theme' => 'fg-light', |
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'size' => 3, |
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'position' => 'both', |
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'scrollToTop' => true |
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); |
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} |
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return $options; |
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} |
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/** |
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* Build up a arguments used in the preview of the gallery |
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* |
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* @param $args |
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* @param $post_data |
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* @param $template |
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* |
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* @return mixed |
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*/ |
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function preview_arguments( $args, $post_data, $template ) { |
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$template_data = foogallery_get_gallery_template( $template ); |
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$post_key = $template. '_paging_type'; |
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//check the template supports paging |
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if ( $template_data && array_key_exists( 'paging_support', $template_data ) && true === $template_data['paging_support'] ) { |
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$args['paging'] = $post_data[FOOGALLERY_META_SETTINGS][$post_key]; |
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} |
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return $args; |
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} |
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} |
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} |
fooplugins /
foogallery
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