PHP Book::getSubsections方法代码示例

 /**
  * Uses $this->manifest to generate itself.
  *
  * @param array $book_contents
  * @param array $metadata
  */
 protected function createToc($book_contents, $metadata)
 {
     $vars = array('post_title' => '', 'stylesheet' => $this->stylesheet, 'post_content' => '', 'isbn' => @$metadata['pb_ebook_isbn']);
     $options = get_option('pressbooks_theme_options_global');
     // Start by inserting self into correct manifest position
     $array_pos = $this->positionOfToc();
     $file_id = 'table-of-contents';
     $filename = "{$file_id}.{$this->filext}";
     $vars['post_title'] = __('Table Of Contents', 'pressbooks');
     $this->manifest = array_slice($this->manifest, 0, $array_pos + 1, true) + array($file_id => array('ID' => -1, 'post_title' => $vars['post_title'], 'filename' => $filename)) + array_slice($this->manifest, $array_pos + 1, count($this->manifest) - 1, true);
     // HTML
     $li_count = 0;
     $i = 1;
     $html = '<div id="toc"><h1>' . __('Contents', 'pressbooks') . '</h1><ul>';
     foreach ($this->manifest as $k => $v) {
         // We only care about front-matter, part, chapter, back-matter
         // Skip the rest
         $subtitle = '';
         $author = '';
         $license = '';
         $title = Sanitize\strip_br($v['post_title']);
         if (preg_match('/^front-matter-/', $k)) {
             $class = 'front-matter ';
             $class .= \PressBooks\Taxonomy\front_matter_type($v['ID']);
             $subtitle = trim(get_post_meta($v['ID'], 'pb_subtitle', true));
             $author = trim(get_post_meta($v['ID'], 'pb_section_author', true));
             $license = $options['copyright_license'] ? get_post_meta($v['ID'], 'pb_section_license', true) : '';
         } elseif (preg_match('/^part-/', $k)) {
             $class = 'part';
             if (get_post_meta($v['ID'], 'pb_part_invisible', true) == 'on') {
                 $class .= ' display-none';
             }
         } elseif (preg_match('/^chapter-/', $k)) {
             $class = 'chapter';
             $class .= \PressBooks\Taxonomy\chapter_type($v['ID']);
             $subtitle = trim(get_post_meta($v['ID'], 'pb_subtitle', true));
             $author = trim(get_post_meta($v['ID'], 'pb_section_author', true));
             $license = $options['copyright_license'] ? get_post_meta($v['ID'], 'pb_section_license', true) : '';
             if ($this->numbered && \PressBooks\Taxonomy\chapter_type($v['ID']) !== 'numberless') {
                 $title = " {$i}. " . $title;
             }
             if (\PressBooks\Taxonomy\chapter_type($v['ID']) !== 'numberless') {
                 ++$i;
             }
         } elseif (preg_match('/^back-matter-/', $k)) {
             $class = 'back-matter ';
             $class .= \PressBooks\Taxonomy\back_matter_type($v['ID']);
             $subtitle = trim(get_post_meta($v['ID'], 'pb_subtitle', true));
             $author = trim(get_post_meta($v['ID'], 'pb_section_author', true));
             $license = $options['copyright_license'] ? get_post_meta($v['ID'], 'pb_section_license', true) : '';
         } else {
             continue;
         }
         $html .= sprintf('<li class="%s"><a href="%s"><span class="toc-chapter-title">%s</span>', $class, $v['filename'], Sanitize\decode($title));
         if ($subtitle) {
             $html .= ' <span class="chapter-subtitle">' . Sanitize\decode($subtitle) . '</span>';
         }
         if ($author) {
             $html .= ' <span class="chapter-author">' . Sanitize\decode($author) . '</span>';
         }
         if ($license) {
             $html .= ' <span class="chapter-license">' . $license . '</span> ';
         }
         $html .= "</a>";
         if (\PressBooks\Export\Export::shouldParseSections() == true) {
             $sections = \PressBooks\Book::getSubsections($v['ID']);
             if ($sections) {
                 $s = 1;
                 $html .= '<ul class="sections">';
                 foreach ($sections as $section) {
                     $html .= '<li class="section"><a href="' . $v['filename'] . '#section-' . $s . '"><span class="toc-subsection-title">' . Sanitize\decode($section) . '</span></a></li>';
                     ++$s;
                 }
                 $html .= '</ul>';
             }
         }
         $html .= "</li>\n";
         ++$li_count;
     }
     if (0 == $li_count) {
         $html .= '<li></li>';
     }
     $html .= "</ul></div>\n";
     // Create file
     $vars['post_content'] = $html;
     file_put_contents($this->tmpDir . "/OEBPS/{$filename}", $this->loadTemplate($this->dir . '/templates/xhtml.php', $vars));
 }

 /**
  * @param array $book_contents
  * @param array $metadata
  */
 protected function echoBackMatter($book_contents, $metadata)
 {
     $back_matter_printf = '<div class="back-matter %s" id="%s">';
     $back_matter_printf .= '<div class="back-matter-title-wrap"><h3 class="back-matter-number">%s</h3><h1 class="back-matter-title">%s</h1></div>';
     $back_matter_printf .= '<div class="ugc back-matter-ugc">%s</div>%s';
     $back_matter_printf .= '</div>';
     $i = $s = 1;
     foreach ($book_contents['back-matter'] as $back_matter) {
         if (!$back_matter['export']) {
             continue;
         }
         $id = $back_matter['ID'];
         $subclass = \PressBooks\Taxonomy\back_matter_type($id);
         $slug = $back_matter['post_name'];
         $title = get_post_meta($id, 'pb_show_title', true) ? $back_matter['post_title'] : '<span class="display-none">' . $back_matter['post_title'] . '</span>';
         // Preserve auto-indexing in Prince using hidden span
         $content = $back_matter['post_content'];
         $short_title = trim(get_post_meta($id, 'pb_short_title', true));
         $subtitle = trim(get_post_meta($id, 'pb_subtitle', true));
         $author = trim(get_post_meta($id, 'pb_section_author', true));
         $sections = \PressBooks\Book::getSubsections($id);
         if ($sections) {
             $content = \PressBooks\Book::tagSubsections($content);
         }
         if ($author) {
             $content = '<h2 class="chapter-author">' . Sanitize\decode($author) . '</h2>' . $content;
         }
         if ($subtitle) {
             $content = '<h2 class="chapter-subtitle">' . Sanitize\decode($subtitle) . '</h2>' . $content;
         }
         if ($short_title) {
             $content = '<h6 class="short-title">' . Sanitize\decode($short_title) . '</h6>' . $content;
         }
         printf($back_matter_printf, $subclass, $slug, $i, Sanitize\decode($title), $content, $this->doEndnotes($id));
         echo "\n";
         ++$i;
     }
 }

 /**
  * Restructures \PressBooks\Book::getBookContents() into a format more useful
  * for direct iteration, and tracks a nesting level for Bookmark and ToC
  * entries.
  *
  * @return array
  */
 function getOrderedBookContents()
 {
     $book_contents = \PressBooks\Book::getBookContents();
     $ordered = array();
     foreach ($book_contents as $type => $struct) {
         if (strpos($type, '__') === 0) {
             continue;
             // Skip __magic keys
         }
         switch ($type) {
             case 'part':
                 foreach ($struct as $part) {
                     $part_content = trim(get_post_meta($part['ID'], 'pb_part_content', true));
                     if ($part_content || $this->atLeastOneExport($part['chapters'])) {
                         if (!empty($part['post_content'])) {
                             $part['mpdf_level'] = 1;
                             $part['post_content'] .= $part_content;
                         } else {
                             $part['post_content'] = $part_content;
                             $part['mpdf_level'] = 0;
                         }
                         $ordered[] = $part;
                         foreach ($part['chapters'] as $chapter) {
                             if (!$chapter['export']) {
                                 continue;
                             }
                             $chapter['mpdf_level'] = $part['mpdf_level'] + 1;
                             $ordered[] = $chapter;
                             if (\PressBooks\Export\Export::shouldParseSections() == true) {
                                 $sections = \PressBooks\Book::getSubsections($chapter['ID']);
                                 if ($sections) {
                                     foreach ($sections as $section) {
                                         $section['mpdf_level'] = $part['mpdf_level'] + 2;
                                         $ordered[] = $section;
                                     }
                                 }
                             }
                         }
                     }
                 }
                 break;
             default:
                 foreach ($struct as $item) {
                     if (!$item['export']) {
                         continue;
                     }
                     $item['mpdf_level'] = 1;
                     $ordered[] = $item;
                     if (\PressBooks\Export\Export::shouldParseSections() == true) {
                         $sections = \PressBooks\Book::getSubsections($item['ID']);
                         if ($sections) {
                             foreach ($sections as $section) {
                                 $section['mpdf_level'] = 2;
                                 $ordered[] = $section;
                             }
                         }
                     }
                 }
                 break;
         }
     }
     return $ordered;
 }

/**
 * Returns an array of subsections in front matter, back matter, or chapters.
 *
 * @param $id
 *
 * @return array
 */
function pb_get_sections($id)
{
    return \PressBooks\Book::getSubsections($id);
}