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<?php |
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/** |
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* Black Studio TinyMCE Widget - Compatibility with older WordPress versions |
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* |
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* @package Black_Studio_TinyMCE_Widget |
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*/ |
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// Exit if accessed directly. |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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if ( ! class_exists( 'Black_Studio_TinyMCE_Compatibility_WordPress' ) ) { |
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/** |
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* Class that provides compatibility code with older WordPress versions |
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* |
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* @package Black_Studio_TinyMCE_Widget |
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* @since 2.0.0 |
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*/ |
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final class Black_Studio_TinyMCE_Compatibility_WordPress { |
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/** |
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* The single instance of the class |
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* |
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* @var object |
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* @since 2.0.0 |
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*/ |
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protected static $_instance = null; |
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/** |
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* Return the single class instance |
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* |
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* @return object |
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* @since 2.0.0 |
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*/ |
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public static function instance() { |
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if ( is_null( self::$_instance ) ) { |
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self::$_instance = new self(); |
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} |
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return self::$_instance; |
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} |
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/** |
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* Class constructor |
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* |
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* @uses get_bloginfo() |
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* @uses add_action() |
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* |
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* @since 2.0.0 |
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*/ |
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protected function __construct() { |
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$current_version = get_bloginfo( 'version' ); |
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$previous_versions = array( '3.5', '3.9' ); |
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foreach ( $previous_versions as $previous_version ) { |
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if ( version_compare( $current_version, $previous_version, '<' ) ) { |
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add_action( 'admin_init', array( $this, 'wp_pre_' . str_replace( '.', '', $previous_version ) ), intval( 10 * $previous_version ) ); |
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} |
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} |
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} |
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/** |
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* Prevent the class from being cloned |
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* |
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* @return void |
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* @since 2.0.0 |
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*/ |
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protected function __clone() { |
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_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ uh?' ), '2.0' ); |
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} |
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/** |
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* Compatibility for WordPress prior to 3.5 |
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* |
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* @uses add_filter() |
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* @uses Black_Studio_TinyMCE_Admin::enabled() |
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* |
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* @return void |
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* @since 2.0.0 |
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*/ |
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public function wp_pre_35() { |
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if ( bstw()->admin()->enabled() ) { |
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add_filter( '_upload_iframe_src', array( $this, 'wp_pre_35_upload_iframe_src' ), 65 ); |
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} |
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} |
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/** |
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* Enable full media options in upload dialog for WordPress prior to 3.5 |
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* (this is done excluding post_id parameter in Thickbox iframe url) |
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* |
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* @global string $pagenow |
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* @param string $upload_iframe_src Source of the iframe for the upload dialog. |
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* @return string |
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* @since 2.0.0 |
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*/ |
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public function wp_pre_35_upload_iframe_src( $upload_iframe_src ) { |
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global $pagenow; |
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if ( 'widgets.php' === $pagenow || ( 'admin-ajax.php' === $pagenow && isset( $_POST['id_base'] ) && 'black-studio-tinymce' === $_POST['id_base'] ) ) { |
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$upload_iframe_src = str_replace( 'post_id=0', '', $upload_iframe_src ); |
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} |
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return $upload_iframe_src; |
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} |
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/** |
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* Compatibility for WordPress prior to 3.9 |
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* |
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* @uses add_action() |
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* @uses remove_action() |
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* @uses add_filter() |
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* @uses get_bloginfo() |
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* @uses Black_Studio_TinyMCE_Admin::enabled() |
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* |
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* @return void |
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* @since 2.0.0 |
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*/ |
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public function wp_pre_39() { |
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$wp_version = get_bloginfo( 'version' ); |
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if ( bstw()->admin()->enabled() ) { |
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add_filter( 'black_studio_tinymce_widget_script', array( $this, 'wp_pre_39_handle' ), 61 ); |
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add_filter( 'tiny_mce_before_init', array( $this, 'wp_pre_39_tiny_mce_before_init' ), 61 ); |
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add_action( 'admin_print_footer_scripts', array( $this, 'wp_pre_39_admin_print_footer_scripts' ) ); |
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remove_action( 'admin_print_footer_scripts', array( bstw()->admin(), 'admin_print_footer_scripts' ) ); |
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if ( ! version_compare( $wp_version, '3.2', '<' ) ) { |
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remove_action( 'admin_print_footer_scripts', array( $this, 'wp_pre_32_admin_print_footer_scripts' ) ); |
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} |
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if ( ! version_compare( $wp_version, '3.3', '<' ) ) { |
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remove_action( 'admin_print_footer_scripts', array( $this, 'wp_pre_33_admin_print_footer_scripts' ) ); |
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} |
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add_action( 'black_studio_tinymce_editor', array( $this, 'wp_pre_39_editor' ), 10, 4 ); |
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remove_action( 'black_studio_tinymce_editor', array( bstw()->admin(), 'editor' ), 10, 3 ); |
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} |
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} |
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/** |
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* Filter to enqueue style / script for WordPress prior to 3.9 |
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* |
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* @return string |
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* @since 2.0.0 |
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*/ |
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public function wp_pre_39_handle() { |
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return 'black-studio-tinymce-widget-pre39'; |
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} |
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/** |
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* TinyMCE initialization for WordPress prior to 3.9 |
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* |
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* @param mixed[] $settings Array of settings. |
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* @return mixed[] |
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* @since 2.0.0 |
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*/ |
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public function wp_pre_39_tiny_mce_before_init( $settings ) { |
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$custom_settings = array( |
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'remove_linebreaks' => false, |
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'convert_newlines_to_brs' => false, |
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'force_p_newlines' => true, |
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'force_br_newlines' => false, |
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'remove_redundant_brs' => false, |
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'forced_root_block' => 'p', |
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'apply_source_formatting' => true, |
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); |
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// Return modified settings. |
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return array_merge( $settings, $custom_settings ); |
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} |
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/** |
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* Enqueue footer scripts for WordPress prior to 3.9 |
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* |
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* @uses wp_editor() |
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* |
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* @return void |
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* @since 2.0.0 |
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*/ |
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public function wp_pre_39_admin_print_footer_scripts() { |
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if ( function_exists( 'wp_editor' ) ) { |
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wp_editor( '', 'black-studio-tinymce-widget' ); |
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} |
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} |
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/** |
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* Output the visual editor code for WordPress prior to 3.9 |
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* |
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* @uses esc_attr() |
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* @uses esc_textarea() |
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* @uses do_action() |
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* |
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* @param string $text Widget text. |
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* @param string $id Widget ID. |
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* @param string $name Widget name. |
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* @param string $type Widget type. |
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* @return void |
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* @since 2.0.0 |
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*/ |
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public function wp_pre_39_editor( $text, $id, $name = '', $type = 'visual' ) { |
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$switch_class = 'visual' === $type ? 'html-active' : 'tmce-active'; |
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?> |
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<div id="<?php echo esc_attr( $id ); ?>-wp-content-wrap" class="wp-core-ui wp-editor-wrap <?php echo esc_attr( $switch_class ); ?> has-dfw"> |
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<div id="<?php echo esc_attr( $id ); ?>-wp-content-editor-tools" class="wp-editor-tools hide-if-no-js"> |
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<div class="wp-editor-tabs"> |
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<a id="<?php echo esc_attr( $id ); ?>-content-html" class="wp-switch-editor switch-html"><?php esc_html_e( 'HTML' ); ?></a> |
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<a id="<?php echo esc_attr( $id ); ?>-content-tmce" class="wp-switch-editor switch-tmce"><?php esc_html_e( 'Visual' ); ?></a> |
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</div> |
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<div id="<?php esc_attr( $id ); ?>-wp-content-media-buttons" class="wp-media-buttons"> |
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<?php do_action( 'media_buttons', $id ); ?> |
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</div> |
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</div> |
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<div class="wp-editor-container"> |
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<textarea class="widefat" rows="20" cols="40" id="<?php echo esc_attr( $id ); ?>" name="<?php echo esc_attr( $name ); ?>"><?php echo esc_textarea( $text ); ?></textarea> |
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</div> |
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</div> |
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<?php |
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} |
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} // END class Black_Studio_TinyMCE_Compatibility_Wordpress |
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} // END class_exists check |
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black-studio /
black-studio-tinymce-widget
