search-field-link.php

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<?php
/**
 * Display the search LINK input field
 *
 * @file class-search-widget.php See for usage
 */

$gravityview_view = GravityView_View::getInstance();
$view_id = $gravityview_view->getViewId();
$search_field = $gravityview_view->search_field;

// base url to calculate the final full link
$base_url = GravityView_Widget_Search::get_search_form_action();

// Make sure that there are choices to display
if ( empty( $search_field['choices'] ) ) {
    gravityview()->log->debug( 'search-field-link.php - No choices for field' );
    return;
}

$links_label = empty( $search_field['label'] ) ? __( 'Show only:', 'gk-gravityview' ) : $search_field['label'];

/**
 * @filter `gravityview/extension/search/links_label` Change the label for the "Link" search bar input type
 * @since 1.17 Use search field label as default value, if set. Before that, it was hard-coded to "Show only:"
 * @param string $links_label Default: `Show only:` if search field label is not set. Otherwise, search field label.
 */
$links_label = apply_filters( 'gravityview/extension/search/links_label', $links_label );

/**
 * @filter `gravityview/extension/search/links_sep` Change what separates search bar "Link" input type links
 * @param string $links_sep Default: `&nbsp;|&nbsp;` Used to connect multiple links
 */
$links_sep = apply_filters( 'gravityview/extension/search/links_sep', '&nbsp;|&nbsp;' );

?>

<div class="gv-search-box gv-search-field-link gv-search-box-links">
    <p>
        <?php echo esc_html( $links_label ); ?>

        <?php

        $search_value = \GV\Utils::_GET( $search_field['name'] );

        foreach ( $search_field['choices'] as $k => $choice ) {

            if ( 0 != $k ) {
                echo esc_html( $links_sep );
            }

            $active = ( '' !== $search_value && in_array( $search_value, array( $choice['text'], $choice['value'] ) ) ) ? ' class="active"' : false;

            if ( $active ) {
                $link = remove_query_arg( array( 'pagenum', $search_field['name'] ), $base_url );
            } else {
                $link = add_query_arg( array( $search_field['name'] => urlencode( $choice['value'] ) ), remove_query_arg( array('pagenum'), $base_url ) );
            }
            ?>

            <a href="<?php echo esc_url_raw( $link ); ?>" <?php echo $active; ?>><?php echo esc_html( $choice['text'] ); ?></a>

        <?php } ?>
    </p>
</div>