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Editing: widgets.php
<?php /** * WordPress Widgets Administration API * * @package WordPress * @subpackage Administration */ /** * Display list of the available widgets. * * @since 2.5.0 * * @global array $wp_registered_widgets * @global array $wp_registered_widget_controls */ function wp_list_widgets() { global $wp_registered_widgets, $wp_registered_widget_controls; $sort = $wp_registered_widgets; usort( $sort, '_sort_name_callback' ); $done = array(); foreach ( $sort as $widget ) { if ( in_array( $widget['callback'], $done, true ) ) { // We already showed this multi-widget. continue; } $sidebar = is_active_widget( $widget['callback'], $widget['id'], false, false ); $done[] = $widget['callback']; if ( ! isset( $widget['params'][0] ) ) { $widget['params'][0] = array(); } $args = array( 'widget_id' => $widget['id'], 'widget_name' => $widget['name'], '_display' => 'template', ); if ( isset( $wp_registered_widget_controls[ $widget['id'] ]['id_base'] ) && isset( $widget['params'][0]['number'] ) ) { $id_base = $wp_registered_widget_controls[ $widget['id'] ]['id_base']; $args['_temp_id'] = "$id_base-__i__"; $args['_multi_num'] = next_widget_id_number( $id_base ); $args['_add'] = 'multi'; } else { $args['_add'] = 'single'; if ( $sidebar ) { $args['_hide'] = '1'; } } $control_args = array( 0 => $args, 1 => $widget['params'][0], ); $sidebar_args = wp_list_widget_controls_dynamic_sidebar( $control_args ); wp_widget_control( ...$sidebar_args ); } } /** * Callback to sort array by a 'name' key. * * @since 3.1.0 * @access private * * @param array $a First array. * @param array $b Second array. * @return int Comparison result. */ function _sort_name_callback( $a, $b ) { return strnatcasecmp( $a['name'], $b['name'] ); } /** * Show the widgets and their settings for a sidebar. * Used in the admin widget config screen. * * @since 2.5.0 * * @param string $sidebar Sidebar ID. * @param string $sidebar_name Optional. Sidebar name. Default empty. */ function wp_list_widget_controls( $sidebar, $sidebar_name = '' ) { add_filter( 'dynamic_sidebar_params', 'wp_list_widget_controls_dynamic_sidebar' ); $description = wp_sidebar_description( $sidebar ); echo '<div id="' . esc_attr( $sidebar ) . '" class="widgets-sortables">'; if ( $sidebar_name ) { $add_to = sprintf( /* translators: %s: Widgets sidebar name. */ __( 'Add to: %s' ), $sidebar_name ); ?> <div class="sidebar-name" data-add-to="<?php echo esc_attr( $add_to ); ?>"> <button type="button" class="handlediv hide-if-no-js" aria-expanded="true"> <span class="screen-reader-text"><?php echo esc_html( $sidebar_name ); ?></span> <span class="toggle-indicator" aria-hidden="true"></span> </button> <h2><?php echo esc_html( $sidebar_name ); ?> <span class="spinner"></span></h2> </div> <?php } if ( ! empty( $description ) ) { ?> <div class="sidebar-description"> <p class="description"><?php echo $description; ?></p> </div> <?php } dynamic_sidebar( $sidebar ); echo '</div>'; } /** * Retrieves the widget control arguments. * * @since 2.5.0 * * @global array $wp_registered_widgets * * @param array $params * @return array Widget control arguments. */ function wp_list_widget_controls_dynamic_sidebar( $params ) { global $wp_registered_widgets; static $i = 0; ++$i; $widget_id = $params[0]['widget_id']; $id = $params[0]['_temp_id'] ?? $widget_id; $hidden = isset( $params[0]['_hide'] ) ? ' style="display:none;"' : ''; $params[0]['before_widget'] = "<div id='widget-{$i}_{$id}' class='widget'$hidden>"; $params[0]['after_widget'] = '</div>'; $params[0]['before_title'] = '%BEG_OF_TITLE%'; // Deprecated. $params[0]['after_title'] = '%END_OF_TITLE%'; // Deprecated. if ( is_callable( $wp_registered_widgets[ $widget_id ]['callback'] ) ) { $wp_registered_widgets[ $widget_id ]['_callback'] = $wp_registered_widgets[ $widget_id ]['callback']; $wp_registered_widgets[ $widget_id ]['callback'] = 'wp_widget_control'; } return $params; } /** * @global array $wp_registered_widgets * * @param string $id_base * @return int Next available widget ID number. */ function next_widget_id_number( $id_base ) { global $wp_registered_widgets; $number = 1; foreach ( $wp_registered_widgets as $widget_id => $widget ) { if ( preg_match( '/' . preg_quote( $id_base, '/' ) . '-([0-9]+)$/', $widget_id, $matches ) ) { $number = max( $number, $matches[1] ); } } ++$number; return $number; } /** * Meta widget used to display the control form for a widget. * * Called from dynamic_sidebar(). * * @since 2.5.0 * * @global array $wp_registered_widgets * @global array $wp_registered_widget_controls * @global array $sidebars_widgets * * @param array $sidebar_args * @return array Passed through value of `$sidebar_args` param. */ function wp_widget_control( $sidebar_args ) { global $wp_registered_widgets, $wp_registered_widget_controls, $sidebars_widgets; $widget_id = $sidebar_args['widget_id']; $sidebar_id = $sidebar_args['id'] ?? false; $key = $sidebar_id ? array_search( $widget_id, $sidebars_widgets[ $sidebar_id ], true ) : '-1'; // Position of widget in sidebar. $control = $wp_registered_widget_controls[ $widget_id ] ?? array(); $widget = $wp_registered_widgets[ $widget_id ]; $id_format = $widget['id']; $widget_number = $control['params'][0]['number'] ?? ''; $id_base = $control['id_base'] ?? $widget_id; $width = $control['width'] ?? ''; $height = $control['height'] ?? ''; $multi_number = $sidebar_args['_multi_num'] ?? ''; $add_new = $sidebar_args['_add'] ?? ''; $before_form = $sidebar_args['before_form'] ?? '<form method="post">'; $after_form = $sidebar_args['after_form'] ?? '</form>'; $before_widget_content = $sidebar_args['before_widget_content'] ?? '<div class="widget-content">'; $after_widget_content = $sidebar_args['after_widget_content'] ?? '</div>'; $query_arg = array( 'editwidget' => $widget['id'] ); if ( $add_new ) { $query_arg['addnew'] = 1; if ( $multi_number ) { $query_arg['num'] = $multi_number; $query_arg['base'] = $id_base; } } else { $query_arg['sidebar'] = $sidebar_id; $query_arg['key'] = $key; } /* * We aren't showing a widget control, we're outputting a template * for a multi-widget control. */ if ( isset( $sidebar_args['_display'] ) && 'template' === $sidebar_args['_display'] && $widget_number ) { // number == -1 implies a template where id numbers are replaced by a generic '__i__'. $control['params'][0]['number'] = -1; // With id_base widget ID's are constructed like {$id_base}-{$id_number}. if ( isset( $control['id_base'] ) ) { $id_format = $control['id_base'] . '-__i__'; } } $wp_registered_widgets[ $widget_id ]['callback'] = $wp_registered_widgets[ $widget_id ]['_callback']; unset( $wp_registered_widgets[ $widget_id ]['_callback'] ); $widget_title = esc_html( strip_tags( $sidebar_args['widget_name'] ) ); $has_form = 'noform'; echo $sidebar_args['before_widget']; ?> <div class="widget-top"> <div class="widget-title-action"> <button type="button" class="widget-action hide-if-no-js" aria-expanded="false"> <span class="screen-reader-text edit"> <?php /* translators: Hidden accessibility text. %s: Widget title. */ printf( __( 'Edit widget: %s' ), $widget_title ); ?> </span> <span class="screen-reader-text add"> <?php /* translators: Hidden accessibility text. %s: Widget title. */ printf( __( 'Add widget: %s' ), $widget_title ); ?> </span> <span class="toggle-indicator" aria-hidden="true"></span> </button> <a class="widget-control-edit hide-if-js" href="<?php echo esc_url( add_query_arg( $query_arg ) ); ?>"> <span class="edit"><?php _ex( 'Edit', 'widget' ); ?></span> <span class="add"><?php _ex( 'Add', 'widget' ); ?></span> <span class="screen-reader-text"><?php echo $widget_title; ?></span> </a> </div> <div class="widget-title"><h3><?php echo $widget_title; ?><span class="in-widget-title"></span></h3></div> </div> <div class="widget-inside"> <?php echo $before_form; ?> <?php echo $before_widget_content; ?> <?php if ( isset( $control['callback'] ) ) { $has_form = call_user_func_array( $control['callback'], $control['params'] ); } else { echo "\t\t<p>" . __( 'There are no options for this widget.' ) . "</p>\n"; } $noform_class = ''; if ( 'noform' === $has_form ) { $noform_class = ' widget-control-noform'; } ?> <?php echo $after_widget_content; ?> <input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr( $id_format ); ?>" /> <input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr( $id_base ); ?>" /> <input type="hidden" name="widget-width" class="widget-width" value="<?php echo esc_attr( $width ); ?>" /> <input type="hidden" name="widget-height" class="widget-height" value="<?php echo esc_attr( $height ); ?>" /> <input type="hidden" name="widget_number" class="widget_number" value="<?php echo esc_attr( $widget_number ); ?>" /> <input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr( $multi_number ); ?>" /> <input type="hidden" name="add_new" class="add_new" value="<?php echo esc_attr( $add_new ); ?>" /> <div class="widget-control-actions"> <div class="alignleft"> <button type="button" class="button-link button-link-delete widget-control-remove"><?php _e( 'Delete' ); ?></button> <span class="widget-control-close-wrapper"> | <button type="button" class="button-link widget-control-close"><?php _e( 'Done' ); ?></button> </span> </div> <div class="alignright<?php echo $noform_class; ?>"> <?php submit_button( __( 'Save' ), 'primary widget-control-save right', 'savewidget', false, array( 'id' => 'widget-' . esc_attr( $id_format ) . '-savewidget' ) ); ?> <span class="spinner"></span> </div> </div> <?php echo $after_form; ?> </div> <div class="widget-description"> <?php $widget_description = wp_widget_description( $widget_id ); echo ( $widget_description ) ? "$widget_description\n" : "$widget_title\n"; ?> </div> <?php echo $sidebar_args['after_widget']; return $sidebar_args; } /** * @param string $classes * @return string Modified body classes. */ function wp_widgets_access_body_class( $classes ) { return "$classes widgets_access "; }
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