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/wp-includes/ -> theme-templates.php (source)

   1  <?php
   2  
   3  /**
   4   * Sets a custom slug when creating auto-draft template parts.
   5   *
   6   * This is only needed for auto-drafts created by the regular WP editor.
   7   * If this page is to be removed, this will not be necessary.
   8   *
   9   * @since 5.9.0
  10   *
  11   * @param int $post_id Post ID.
  12   */
  13  function wp_set_unique_slug_on_create_template_part( $post_id ) {
  14      $post = get_post( $post_id );
  15      if ( 'auto-draft' !== $post->post_status ) {
  16          return;
  17      }
  18  
  19      if ( ! $post->post_name ) {
  20          wp_update_post(
  21              array(
  22                  'ID'        => $post_id,
  23                  'post_name' => 'custom_slug_' . uniqid(),
  24              )
  25          );
  26      }
  27  
  28      $terms = get_the_terms( $post_id, 'wp_theme' );
  29      if ( ! is_array( $terms ) || ! count( $terms ) ) {
  30          wp_set_post_terms( $post_id, wp_get_theme()->get_stylesheet(), 'wp_theme' );
  31      }
  32  }
  33  
  34  /**
  35   * Generates a unique slug for templates.
  36   *
  37   * @access private
  38   * @since 5.8.0
  39   *
  40   * @param string $override_slug The filtered value of the slug (starts as `null` from apply_filter).
  41   * @param string $slug          The original/un-filtered slug (post_name).
  42   * @param int    $post_ID       Post ID.
  43   * @param string $post_status   No uniqueness checks are made if the post is still draft or pending.
  44   * @param string $post_type     Post type.
  45   * @return string The original, desired slug.
  46   */
  47  function wp_filter_wp_template_unique_post_slug( $override_slug, $slug, $post_ID, $post_status, $post_type ) {
  48      if ( 'wp_template' !== $post_type && 'wp_template_part' !== $post_type ) {
  49          return $override_slug;
  50      }
  51  
  52      if ( ! $override_slug ) {
  53          $override_slug = $slug;
  54      }
  55  
  56      /*
  57       * Template slugs must be unique within the same theme.
  58       * TODO - Figure out how to update this to work for a multi-theme environment.
  59       * Unfortunately using `get_the_terms()` for the 'wp-theme' term does not work
  60       * in the case of new entities since is too early in the process to have been saved
  61       * to the entity. So for now we use the currently activated theme for creation.
  62       */
  63      $theme = wp_get_theme()->get_stylesheet();
  64      $terms = get_the_terms( $post_ID, 'wp_theme' );
  65      if ( $terms && ! is_wp_error( $terms ) ) {
  66          $theme = $terms[0]->name;
  67      }
  68  
  69      $check_query_args = array(
  70          'post_name__in'  => array( $override_slug ),
  71          'post_type'      => $post_type,
  72          'posts_per_page' => 1,
  73          'no_found_rows'  => true,
  74          'post__not_in'   => array( $post_ID ),
  75          'tax_query'      => array(
  76              array(
  77                  'taxonomy' => 'wp_theme',
  78                  'field'    => 'name',
  79                  'terms'    => $theme,
  80              ),
  81          ),
  82      );
  83      $check_query      = new WP_Query( $check_query_args );
  84      $posts            = $check_query->posts;
  85  
  86      if ( count( $posts ) > 0 ) {
  87          $suffix = 2;
  88          do {
  89              $query_args                  = $check_query_args;
  90              $alt_post_name               = _truncate_post_slug( $override_slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
  91              $query_args['post_name__in'] = array( $alt_post_name );
  92              $query                       = new WP_Query( $query_args );
  93              $suffix++;
  94          } while ( count( $query->posts ) > 0 );
  95          $override_slug = $alt_post_name;
  96      }
  97  
  98      return $override_slug;
  99  }
 100  
 101  /**
 102   * Prints the skip-link script & styles.
 103   *
 104   * @access private
 105   * @since 5.8.0
 106   *
 107   * @global string $_wp_current_template_content
 108   *
 109   * @return void
 110   */
 111  function the_block_template_skip_link() {
 112      global $_wp_current_template_content;
 113  
 114      // Early exit if not a block theme.
 115      if ( ! current_theme_supports( 'block-templates' ) ) {
 116          return;
 117      }
 118  
 119      // Early exit if not a block template.
 120      if ( ! $_wp_current_template_content ) {
 121          return;
 122      }
 123      ?>
 124  
 125      <?php
 126      /**
 127       * Print the skip-link styles.
 128       */
 129      ?>
 130      <style id="skip-link-styles">
 131          .skip-link.screen-reader-text {
 132              border: 0;
 133              clip: rect(1px,1px,1px,1px);
 134              clip-path: inset(50%);
 135              height: 1px;
 136              margin: -1px;
 137              overflow: hidden;
 138              padding: 0;
 139              position: absolute !important;
 140              width: 1px;
 141              word-wrap: normal !important;
 142          }
 143  
 144          .skip-link.screen-reader-text:focus {
 145              background-color: #eee;
 146              clip: auto !important;
 147              clip-path: none;
 148              color: #444;
 149              display: block;
 150              font-size: 1em;
 151              height: auto;
 152              left: 5px;
 153              line-height: normal;
 154              padding: 15px 23px 14px;
 155              text-decoration: none;
 156              top: 5px;
 157              width: auto;
 158              z-index: 100000;
 159          }
 160      </style>
 161      <?php
 162      /**
 163       * Print the skip-link script.
 164       */
 165      ?>
 166      <script>
 167      ( function() {
 168          var skipLinkTarget = document.querySelector( 'main' ),
 169              sibling,
 170              skipLinkTargetID,
 171              skipLink;
 172  
 173          // Early exit if a skip-link target can't be located.
 174          if ( ! skipLinkTarget ) {
 175              return;
 176          }
 177  
 178          // Get the site wrapper.
 179          // The skip-link will be injected in the beginning of it.
 180          sibling = document.querySelector( '.wp-site-blocks' );
 181  
 182          // Early exit if the root element was not found.
 183          if ( ! sibling ) {
 184              return;
 185          }
 186  
 187          // Get the skip-link target's ID, and generate one if it doesn't exist.
 188          skipLinkTargetID = skipLinkTarget.id;
 189          if ( ! skipLinkTargetID ) {
 190              skipLinkTargetID = 'wp--skip-link--target';
 191              skipLinkTarget.id = skipLinkTargetID;
 192          }
 193  
 194          // Create the skip link.
 195          skipLink = document.createElement( 'a' );
 196          skipLink.classList.add( 'skip-link', 'screen-reader-text' );
 197          skipLink.href = '#' + skipLinkTargetID;
 198          skipLink.innerHTML = '<?php esc_html_e( 'Skip to content' ); ?>';
 199  
 200          // Inject the skip link.
 201          sibling.parentElement.insertBefore( skipLink, sibling );
 202      }() );
 203      </script>
 204      <?php
 205  }
 206  
 207  /**
 208   * Enables the block templates (editor mode) for themes with theme.json by default.
 209   *
 210   * @access private
 211   * @since 5.8.0
 212   */
 213  function wp_enable_block_templates() {
 214      if ( wp_is_block_theme() || WP_Theme_JSON_Resolver::theme_has_support() ) {
 215          add_theme_support( 'block-templates' );
 216      }
 217  }


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