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<?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 ";
}