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<?php |
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namespace Friends\Blocks_Everywhere\Handler; |
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|
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require_once __DIR__ . '/handlers/class-friends-message.php'; |
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require_once __DIR__ . '/handlers/class-friends-status-post.php'; |
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|
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abstract class Handler { |
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/** |
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* Editor object |
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* |
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* @var Editor|null |
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*/ |
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protected $editor = null; |
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|
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/** |
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* Editor settings |
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* |
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* @var array |
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*/ |
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protected $settings = []; |
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|
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/** |
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* Record the do_blocks hook |
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* |
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* @var string|null |
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*/ |
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private $doing_hook = null; |
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|
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/** |
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* Direct copy of core `do_blocks`, but for comments. |
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* |
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* This also has the benefit that we don't run `wpautop` on block transformed comments, potentially breaking them. |
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* |
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* @param String $content Comment text |
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* @return String |
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*/ |
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public function do_blocks( $content, $hook ) { |
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$blocks = parse_blocks( $content ); |
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$output = ''; |
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|
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foreach ( $blocks as $block ) { |
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$output .= render_block( $block ); |
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} |
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|
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// If there are blocks in this content, we shouldn't run wpautop() on it later. |
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$priority = has_filter( $hook, 'wpautop' ); |
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if ( false !== $priority && doing_filter( $hook ) && has_blocks( $content ) ) { |
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$this->doing_hook = $hook; |
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remove_filter( $hook, 'wpautop', $priority ); |
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add_filter( $hook, [ $this, 'restore_wpautop_hook' ], $priority + 1 ); |
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} |
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|
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return ltrim( $output ); |
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} |
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|
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/** |
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* Restore the above `remove_filter` for comments |
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* |
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* @param String $content Comment ext |
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* @return String |
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**/ |
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public function restore_wpautop_hook( $content ) { |
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$current_priority = has_filter( $this->doing_hook, [ $this, 'restore_wpautop_hook' ] ); |
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|
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if ( $current_priority !== false ) { |
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add_filter( $this->doing_hook, 'wpautop', $current_priority - 1 ); |
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remove_filter( $this->doing_hook, [ $this, 'restore_wpautop_hook' ], $current_priority ); |
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} |
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|
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$this->doing_hook = null; |
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return $content; |
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} |
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|
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/** |
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* Add the Gutenberg editor to the comment editor, but only if it includes blocks. |
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* |
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* @param string $editor Editor HTML. |
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* @return string |
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*/ |
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public function the_editor( $editor ) { |
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$editor = preg_replace( '@.*?(<textarea.*?</textarea>).*@', '$1', $editor ); |
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|
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return '<div class="blocks-everywhere iso-editor__loading">' . $editor . '</div>'; |
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} |
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|
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public function wp_editor_settings( $settings ) { |
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$settings['tinymce'] = false; |
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$settings['quicktags'] = false; |
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return $settings; |
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} |
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|
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public function get_editor_type() { |
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return 'core'; |
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} |
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|
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/** |
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* Remove blocks that aren't allowed |
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* |
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* @param string $content |
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* @return string |
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*/ |
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public function remove_blocks( $content ) { |
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if ( ! has_blocks( $content ) ) { |
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return $content; |
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} |
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|
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$allowed = $this->get_allowed_blocks(); |
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$blocks = parse_blocks( $content ); |
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$output = ''; |
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|
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foreach ( $blocks as $block ) { |
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if ( in_array( $block['blockName'], $allowed, true ) ) { |
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$output .= serialize_block( $block ); |
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} |
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} |
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|
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return ltrim( $output ); |
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} |
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|
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/** |
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* Get a list of allowed blocks by looking at the allowed comment tags |
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* |
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* @return string[] |
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*/ |
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protected function get_allowed_blocks() { |
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global $allowedtags; |
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|
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$allowed = [ 'core/paragraph', 'core/list', 'core/code', 'core/list-item' ]; |
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$convert = [ |
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'blockquote' => 'core/quote', |
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'h1' => 'core/heading', |
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'h2' => 'core/heading', |
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'h3' => 'core/heading', |
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'img' => 'core/image', |
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'ul' => 'core/list', |
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'ol' => 'core/list', |
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'pre' => 'core/code', |
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'table' => 'core/table', |
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'video' => 'core/video', |
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]; |
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|
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foreach ( array_keys( $allowedtags ) as $tag ) { |
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if ( isset( $convert[ $tag ] ) ) { |
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$allowed[] = $convert[ $tag ]; |
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} |
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} |
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|
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return apply_filters( 'blocks_everywhere_allowed_blocks', array_unique( $allowed ), $this->get_editor_type() ); |
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} |
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|
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/** |
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* Modify KSES filters to match the allowed blocks |
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* |
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* @param array $tags |
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* @return void |
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*/ |
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public function get_kses_for_allowed_blocks( array $tags ) { |
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$allowed = $this->get_allowed_blocks(); |
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|
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if ( in_array( 'core/paragraph', $allowed, true ) ) { |
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$tags['p'] = [ 'class' => true ]; |
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$tags['br'] = []; |
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} |
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|
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if ( in_array( 'core/code', $allowed, true ) ) { |
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if ( ! isset( $tags['pre'] ) ) { |
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$tags['pre'] = []; |
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} |
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|
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$tags['pre']['class'] = true; |
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} |
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|
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if ( in_array( 'core/quote', $allowed, true ) ) { |
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if ( ! isset( $tags['blockquote'] ) ) { |
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$tags['blockquote'] = []; |
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} |
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|
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$tags['blockquote']['class'] = true; |
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} |
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|
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if ( in_array( 'core/image', $allowed, true ) ) { |
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$tags['img']['class'] = true; |
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} |
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|
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if ( in_array( 'core/image', $allowed, true ) || in_array( 'core/quote', $allowed, true ) ) { |
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$tags['figure'] = [ 'class' => true ]; |
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$tags['figcaption'] = [ 'class' => true ]; |
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} |
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|
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if ( in_array( 'core/embed', $allowed, true ) ) { |
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if ( ! isset( $tags['figure'] ) ) { |
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$tags['figure'] = []; |
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} |
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|
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$tags['figure']['class'] = true; |
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$tags['div'] = [ 'class' => true ]; |
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} |
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|
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if ( in_array( 'core/list', $allowed, true ) ) { |
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if ( ! isset( $tags['ul'] ) ) { |
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$tags['ul'] = []; |
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} |
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if ( ! isset( $tags['ol'] ) ) { |
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$tags['ol'] = []; |
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} |
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if ( ! isset( $tags['li'] ) ) { |
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$tags['li'] = []; |
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} |
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|
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$tags['ul']['class'] = true; |
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$tags['ol']['class'] = true; |
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$tags['li']['class'] = true; |
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} |
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|
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// General formatting |
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$tags['strike'] = []; |
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$tags['s'] = []; |
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$tags['cite'] = []; |
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$tags['kbd'] = []; |
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$tags['mark'] = [ 'class' => true ]; |
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$tags['sub'] = []; |
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$tags['sup'] = []; |
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|
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return $tags; |
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} |
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|
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/** |
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* Load Gutenberg if a comment form is enabled |
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* |
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* @return void |
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*/ |
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public function load_editor( $textarea, $container = null ) { |
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$this->editor = new \Friends\Blocks_Everywhere\Editor(); |
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|
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// Settings for the editor |
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$default_settings = [ |
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'editor' => $this->editor->get_editor_settings(), |
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'iso' => [ |
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'blocks' => [ |
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'allowBlocks' => $this->get_allowed_blocks(), |
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], |
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'moreMenu' => false, |
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'sidebar' => [ |
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'inserter' => false, |
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'inspector' => false, |
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], |
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'toolbar' => [ |
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'navigation' => true, |
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], |
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'defaultPreferences' => [ |
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'fixedToolbar' => true, |
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], |
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'allowEmbeds' => [ |
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'youtube', |
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'vimeo', |
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'wordpress', |
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'wordpress-tv', |
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'videopress', |
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'crowdsignal', |
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'imgur', |
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], |
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], |
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'saveTextarea' => $textarea, |
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'container' => $container, |
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'editorType' => $this->get_editor_type(), |
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'allowUrlEmbed' => false, |
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'pastePlainText' => false, |
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'replaceParagraphCode' => false, |
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'pluginsUrl' => plugins_url( '', __DIR__ ), |
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'version' => \Friends\Blocks_Everywhere\Blocks_Everywhere::VERSION, |
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]; |
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|
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$settings = apply_filters( 'blocks_everywhere_editor_settings', $default_settings ); |
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|
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$this->editor->load( $settings ); |
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$this->settings = $settings; |
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|
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// Enqueue assets |
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$version = $this->enqueue_assets( |
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'blocks-everywhere', |
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'index.min.asset.php', |
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'index.min.js', |
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'style-index.min.css' |
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); |
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|
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wp_localize_script( 'blocks-everywhere', 'wpBlocksEverywhere', $settings ); |
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|
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if ( in_array( 'blocks-everywhere/support-content', $settings['iso']['blocks']['allowBlocks'], true ) ) { |
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$this->enqueue_assets( |
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'support-content-view', |
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'support-content-view.min.asset.php', |
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'support-content-view.min.js', |
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'support-content-view.min.css' |
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); |
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$this->enqueue_assets( |
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'support-content-editor', |
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'support-content-editor.min.asset.php', |
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'support-content-editor.min.js', |
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'support-content-editor.min.css' |
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); |
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} |
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|
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$theme_compat = defined( 'BLOCKS_EVERYWHERE_THEME_COMPAT' ) ? BLOCKS_EVERYWHERE_THEME_COMPAT : false; |
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if ( apply_filters( 'blocks_everywhere_theme_compat', $theme_compat ) ) { |
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$plugin = dirname( __DIR__ ) . '/blocks-everywhere.php'; |
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|
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wp_register_style( 'blocks-everywhere-compat', plugins_url( 'build/theme-compat.min.css', $plugin ), [ 'blocks-everywhere' ], $version ); |
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wp_enqueue_style( 'blocks-everywhere-compat' ); |
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} |
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} |
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|
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private function enqueue_assets( $name, $asset_file, $js_file, $css_file ) { |
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$asset_file = dirname( __DIR__ ) . '/build/' . $asset_file; |
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$asset = file_exists( $asset_file ) ? require_once $asset_file : null; |
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$version = isset( $asset['version'] ) ? $asset['version'] : time(); |
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$plugin = dirname( __DIR__ ) . '/blocks-everywhere.php'; |
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|
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wp_register_script( $name, plugins_url( 'build/' . $js_file, $plugin ), [], $version, true ); |
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wp_enqueue_script( $name ); |
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|
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wp_register_style( $name, plugins_url( 'build/' . $css_file, $plugin ), [], $version ); |
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wp_enqueue_style( $name ); |
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|
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return $version; |
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} |
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|
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/** |
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* Callback to show admin editor |
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* |
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* @param string $hook Hook. |
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* @return boolean |
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*/ |
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public function can_show_admin_editor( $hook ) { |
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return false; |
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} |
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} |
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|