Viewing file:  widgets.php (8.22 KB) -rw-rw-rw-
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<?php
/**
* WordPress Widgets Administration API
*
* @package WordPress
* @subpackage Administration
*/
/**
* Display list of the available widgets.
*
* @since 2.5.0
*/
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';
}
$args = wp_list_widget_controls_dynamic_sidebar( array( 0 => $args, 1 => $widget['params'][0] ) );
call_user_func_array( 'wp_widget_control', $args );
}
}
/**
* Callback to sort array by a 'name' key.
*
* @since 3.1.0
* @access private
*/
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 id slug of the sidebar
* @param string optional $sidebar_name Include the HTML for the sidebar name
*/
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 ) {
?>
<div class="sidebar-name">
<div class="sidebar-name-arrow"><br /></div>
<h3><?php echo esc_html( $sidebar_name ); ?> <span class="spinner"></span></h3>
</div>
<?php
}
echo '<div class="sidebar-description">';
if ( ! empty( $description ) ) {
echo '<p class="description">' . $description . '</p>';
}
echo '</div>';
dynamic_sidebar( $sidebar );
echo '</div>';
}
/**
* {@internal Missing Short Description}}
*
* @since 2.5.0
*
* @param array $params
* @return array
*/
function wp_list_widget_controls_dynamic_sidebar( $params ) {
global $wp_registered_widgets;
static $i = 0;
$i++;
$widget_id = $params[0]['widget_id'];
$id = isset($params[0]['_temp_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 $params;
}
function next_widget_id_number($id_base) {
global $wp_registered_widgets;
$number = 1;
foreach ( $wp_registered_widgets as $widget_id => $widget ) {
if ( preg_match( '/' . $id_base . '-([0-9]+)$/', $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
*
* @param array $sidebar_args
* @return array
*/
function wp_widget_control( $sidebar_args ) {
global $wp_registered_widgets, $wp_registered_widget_controls, $sidebars_widgets;
$widget_id = $sidebar_args['widget_id'];
$sidebar_id = isset($sidebar_args['id']) ? $sidebar_args['id'] : false;
$key = $sidebar_id ? array_search( $widget_id, $sidebars_widgets[$sidebar_id] ) : '-1'; // position of widget in sidebar
$control = isset($wp_registered_widget_controls[$widget_id]) ? $wp_registered_widget_controls[$widget_id] : array();
$widget = $wp_registered_widgets[$widget_id];
$id_format = $widget['id'];
$widget_number = isset($control['params'][0]['number']) ? $control['params'][0]['number'] : '';
$id_base = isset($control['id_base']) ? $control['id_base'] : $widget_id;
$multi_number = isset($sidebar_args['_multi_num']) ? $sidebar_args['_multi_num'] : '';
$add_new = isset($sidebar_args['_add']) ? $sidebar_args['_add'] : '';
$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">
<a class="widget-action hide-if-no-js" href="#available-widgets"></a>
<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"><h4><?php echo $widget_title ?><span class="in-widget-title"></span></h4></div>
</div>
<div class="widget-inside">
<form method="post">
<div class="widget-content">
<?php
if ( isset($control['callback']) )
$has_form = call_user_func_array( $control['callback'], $control['params'] );
else
echo "\t\t<p>" . __('There are no options for this widget.') . "</p>\n"; ?>
</div>
<input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr($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 if (isset( $control['width'] )) echo esc_attr($control['width']); ?>" />
<input type="hidden" name="widget-height" class="widget-height" value="<?php if (isset( $control['height'] )) echo esc_attr($control['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">
<a class="widget-control-remove" href="#remove"><?php _e('Delete'); ?></a> |
<a class="widget-control-close" href="#close"><?php _e('Close'); ?></a>
</div>
<div class="alignright<?php if ( 'noform' === $has_form ) echo ' widget-control-noform'; ?>">
<?php submit_button( __( 'Save' ), 'button-primary widget-control-save right', 'savewidget', false, array( 'id' => 'widget-' . esc_attr( $id_format ) . '-savewidget' ) ); ?>
<span class="spinner"></span>
</div>
<br class="clear" />
</div>
</form>
</div>
<div class="widget-description">
<?php echo ( $widget_description = wp_widget_description($widget_id) ) ? "$widget_description\n" : "$widget_title\n"; ?>
</div>
<?php
echo $sidebar_args['after_widget'];
return $sidebar_args;
}
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