wc = widget_context::instance(); // Check the number of words on page add_action( 'wp', array( $this, 'count_words_on_page' ) ); // Define our context add_filter( 'widget_contexts', array( $this, 'add_word_count_context' ) ); add_filter( 'widget_context_control-word_count', array( $this, 'control_word_count' ), 10, 2 ); add_filter( 'widget_context_check-word_count', array( $this, 'context_check_word_count' ), 10, 2 ); } function add_word_count_context( $contexts ) { $contexts[ 'word_count' ] = array( 'label' => __( 'Word Count', 'widget-context' ), 'description' => __( 'Context based on word count on the page.', 'widget-context' ), 'weight' => 15 ); return $contexts; } function count_words_on_page() { global $wp_query; if ( empty( $wp_query->posts ) || is_admin() ) return; foreach ( $wp_query->posts as $post_data ) $this->words_on_page += str_word_count( strip_tags( strip_shortcodes( $post_data->post_content ) ) ); } function context_check_word_count( $check, $settings ) { $settings = wp_parse_args( $settings, array( 'check_wordcount' => false, 'word_count' => null, 'check_wordcount_type' => null ) ); // Make sure this context check was enabled if ( ! $settings['check_wordcount'] ) return $check; $word_count = (int) $settings['word_count']; // No word count specified, bail out if ( ! $word_count ) return $check; if ( $settings['check_wordcount_type'] == 'less' && $this->words_on_page < $word_count ) return true; elseif ( $settings['check_wordcount_type'] == 'more' && $this->words_on_page > $word_count ) return true; return $check; } function control_word_count( $control_args ) { return sprintf( '

%s %s %s

', $this->wc->make_simple_checkbox( $control_args, 'check_wordcount', __('Has', 'widget-context') ), $this->wc->make_simple_dropdown( $control_args, 'check_wordcount_type', array( 'less' => __('less', 'widget-context'), 'more' => __('more', 'widget-context') ), null, __('than', 'widget-context') ), $this->wc->make_simple_textfield( $control_args, 'word_count', null, __('words', 'widget-context') ) ); } }