function _register() {
$settings = $this->get_settings();
+ $empty = true;
- if ( empty($settings) ) {
- // If there are none, we register the widget's existance with a
- // generic template
- $this->_set(1);
- $this->_register_one();
- } elseif ( is_array($settings) ) {
+ if ( is_array($settings) ) {
foreach ( array_keys($settings) as $number ) {
if ( is_numeric($number) ) {
$this->_set($number);
$this->_register_one($number);
+ $empty = false;
}
}
}
+
+ if ( $empty ) {
+ // If there are none, we register the widget's existance with a
+ // generic template
+ $this->_set(1);
+ $this->_register_one();
+ }
}
function _set($number) {
* The default for the name is "Sidebar #", with '#' being replaced with the
* number the sidebar is currently when greater than one. If first sidebar, the
* name will be just "Sidebar". The default for id is "sidebar-" followed by the
- * number the sidebar creation is currently at.
+ * number the sidebar creation is currently at. If the id is provided, and mutliple
+ * sidebars are being defined, the id will have "-2" appended, and so on.
*
* @since 2.2.0
*
if ( is_string($args) )
parse_str($args, $args);
- for ( $i=1; $i <= $number; $i++ ) {
+ for ( $i = 1; $i <= $number; $i++ ) {
$_args = $args;
- if ( $number > 1 ) {
+ if ( $number > 1 )
$_args['name'] = isset($args['name']) ? sprintf($args['name'], $i) : sprintf(__('Sidebar %d'), $i);
- } else {
+ else
$_args['name'] = isset($args['name']) ? $args['name'] : __('Sidebar');
- }
- if (isset($args['id'])) {
+ // Custom specified ID's are suffixed if they exist already.
+ // Automatically generated sidebar names need to be suffixed regardless starting at -0
+ if ( isset($args['id']) ) {
$_args['id'] = $args['id'];
+ $n = 2; // Start at -2 for conflicting custom ID's
+ while ( isset($wp_registered_sidebars[$_args['id']]) )
+ $_args['id'] = $args['id'] . '-' . $n++;
} else {
$n = count($wp_registered_sidebars);
do {
- $n++;
- $_args['id'] = "sidebar-$n";
- } while (isset($wp_registered_sidebars[$_args['id']]));
+ $_args['id'] = 'sidebar-' . ++$n;
+ } while ( isset($wp_registered_sidebars[$_args['id']]) );
}
-
register_sidebar($_args);
}
}
*
* @since 2.2.0
* @uses $wp_registered_sidebars Stores the new sidebar in this array by sidebar ID.
- * @uses parse_str() Converts a string to an array to be used in the rest of the function.
- * @usedby register_sidebars()
*
* @param string|array $args Builds Sidebar based off of 'name' and 'id' values
* @return string The sidebar id that was added.
function register_sidebar($args = array()) {
global $wp_registered_sidebars;
- if ( is_string($args) )
- parse_str($args, $args);
-
$i = count($wp_registered_sidebars) + 1;
$defaults = array(
'name' => sprintf(__('Sidebar %d'), $i ),
'id' => "sidebar-$i",
+ 'description' => '',
'before_widget' => '<li id="%1$s" class="widget %2$s">',
'after_widget' => "</li>\n",
'before_title' => '<h2 class="widgettitle">',
'after_title' => "</h2>\n",
);
- $sidebar = array_merge($defaults, (array) $args);
+ $sidebar = wp_parse_args( $args, $defaults );
$wp_registered_sidebars[$sidebar['id']] = $sidebar;
+ add_theme_support('widgets');
+
+ do_action( 'register_sidebar', $sidebar );
+
return $sidebar['id'];
}
* @param int|string $id Widget ID.
* @param string $name Widget display title.
* @param callback $output_callback Run when widget is called.
- * @param array|string Optional. $options Widget Options.
+ * @param array|string $options Optional. Widget Options.
* @param mixed $params,... Widget parameters to add to widget.
* @return null Will return if $output_callback is empty after removing widget.
*/
);
$widget = array_merge($widget, $options);
- if ( is_callable($output_callback) && ( !isset($wp_registered_widgets[$id]) || did_action( 'widgets_init' ) ) )
+ if ( is_callable($output_callback) && ( !isset($wp_registered_widgets[$id]) || did_action( 'widgets_init' ) ) ) {
+ do_action( 'wp_register_sidebar_widget', $widget );
$wp_registered_widgets[$id] = $widget;
+ }
}
/**
return esc_html( $wp_registered_widgets[$id]['description'] );
}
+/**
+ * Retrieve description for a sidebar.
+ *
+ * When registering sidebars a 'description' parameter can be included that
+ * describes the sidebar for display on the widget administration panel.
+ *
+ * @since 2.9.0
+ *
+ * @param int|string $id sidebar ID.
+ * @return string Sidebar description, if available. Null on failure to retrieve description.
+ */
+function wp_sidebar_description( $id ) {
+ if ( !is_scalar($id) )
+ return;
+
+ global $wp_registered_sidebars;
+
+ if ( isset($wp_registered_sidebars[$id]['description']) )
+ return esc_html( $wp_registered_sidebars[$id]['description'] );
+}
+
+
/**
* Remove widget from sidebar.
*
* @param int|string $id Widget ID.
*/
function wp_unregister_sidebar_widget($id) {
+ do_action( 'wp_unregister_sidebar_widget', $id );
+
wp_register_sidebar_widget($id, '', '');
wp_unregister_widget_control($id);
}
$callback = $wp_registered_widgets[$id]['callback'];
+ do_action( 'dynamic_sidebar', $wp_registered_widgets[$id] );
+
if ( is_callable($callback) ) {
call_user_func_array($callback, $params);
$did_one = true;
*
* @since 2.2.0
*
- * @param callback Optional, Widget callback to check.
+ * @param string $callback Optional, Widget callback to check.
* @param int $widget_id Optional, but needed for checking. Widget ID.
* @param string $id_base Optional, the base ID of a widget created by extending WP_Widget.
* @param bool $skip_inactive Optional, whether to check in 'wp_inactive_widgets'.
*
* @since 2.8
*
- * @param mixed $index, sidebar name, id or number to check.
+ * @param mixed $index Sidebar name, id or number to check.
* @return bool true if the sidebar is in use, false otherwise.
*/
function is_active_sidebar( $index ) {
$index = ( is_int($index) ) ? "sidebar-$index" : sanitize_title($index);
$sidebars_widgets = wp_get_sidebars_widgets();
- if ( isset($sidebars_widgets[$index]) && !empty($sidebars_widgets[$index]) )
+ if ( !empty($sidebars_widgets[$index]) )
return true;
return false;
* @since 2.2.0
* @access private
*
- * @param bool $update Optional, deprecated.
+ * @param bool $deprecated Not used (deprecated).
* @return array Upgraded list of widgets to version 3 array format when called from the admin.
*/
function wp_get_sidebars_widgets($deprecated = true) {
+ if ( $deprecated !== true )
+ _deprecated_argument( __FUNCTION__, '2.8.1' );
+
global $wp_registered_widgets, $wp_registered_sidebars, $_wp_sidebars_widgets;
// If loading from front page, consult $_wp_sidebars_widgets rather than options
$sidebars_widgets = get_option('sidebars_widgets', array());
$_sidebars_widgets = array();
- if ( isset($sidebars_widgets['wp_inactive_widgets']) )
+ if ( isset($sidebars_widgets['wp_inactive_widgets']) || empty($sidebars_widgets) )
$sidebars_widgets['array_version'] = 3;
elseif ( !isset($sidebars_widgets['array_version']) )
$sidebars_widgets['array_version'] = 1;
}
}
- if ( isset($sidebars_widgets['array_version']) )
+ if ( is_array( $sidebars_widgets ) && isset($sidebars_widgets['array_version']) )
unset($sidebars_widgets['array_version']);
$sidebars_widgets = apply_filters('sidebars_widgets', $sidebars_widgets);
return $settings;
}
-/**
- * Deprecated API
- */
-
-/**
- * Register widget for sidebar with backwards compatibility.
- *
- * Allows $name to be an array that accepts either three elements to grab the
- * first element and the third for the name or just uses the first element of
- * the array for the name.
- *
- * Passes to {@link wp_register_sidebar_widget()} after argument list and
- * backwards compatibility is complete.
- *
- * @since 2.2.0
- * @uses wp_register_sidebar_widget() Passes the compiled arguments.
- *
- * @param string|int $name Widget ID.
- * @param callback $output_callback Run when widget is called.
- * @param string $classname Classname widget option.
- * @param mixed $params,... Widget parameters.
- */
-function register_sidebar_widget($name, $output_callback, $classname = '') {
- // Compat
- if ( is_array($name) ) {
- if ( count($name) == 3 )
- $name = sprintf($name[0], $name[2]);
- else
- $name = $name[0];
- }
-
- $id = sanitize_title($name);
- $options = array();
- if ( !empty($classname) && is_string($classname) )
- $options['classname'] = $classname;
- $params = array_slice(func_get_args(), 2);
- $args = array($id, $name, $output_callback, $options);
- if ( !empty($params) )
- $args = array_merge($args, $params);
-
- call_user_func_array('wp_register_sidebar_widget', $args);
-}
-
-/**
- * Alias of {@link wp_unregister_sidebar_widget()}.
- *
- * @see wp_unregister_sidebar_widget()
- *
- * @since 2.2.0
- *
- * @param int|string $id Widget ID.
- */
-function unregister_sidebar_widget($id) {
- return wp_unregister_sidebar_widget($id);
-}
-
-/**
- * Registers widget control callback for customizing options.
- *
- * Allows $name to be an array that accepts either three elements to grab the
- * first element and the third for the name or just uses the first element of
- * the array for the name.
- *
- * Passes to {@link wp_register_widget_control()} after the argument list has
- * been compiled.
- *
- * @since 2.2.0
- *
- * @param int|string $name Sidebar ID.
- * @param callback $control_callback Widget control callback to display and process form.
- * @param int $width Widget width.
- * @param int $height Widget height.
- */
-function register_widget_control($name, $control_callback, $width = '', $height = '') {
- // Compat
- if ( is_array($name) ) {
- if ( count($name) == 3 )
- $name = sprintf($name[0], $name[2]);
- else
- $name = $name[0];
- }
-
- $id = sanitize_title($name);
- $options = array();
- if ( !empty($width) )
- $options['width'] = $width;
- if ( !empty($height) )
- $options['height'] = $height;
- $params = array_slice(func_get_args(), 4);
- $args = array($id, $name, $control_callback, $options);
- if ( !empty($params) )
- $args = array_merge($args, $params);
-
- call_user_func_array('wp_register_widget_control', $args);
-}
-
-/**
- * Alias of {@link wp_unregister_widget_control()}.
- *
- * @since 2.2.0
- * @see wp_unregister_widget_control()
- *
- * @param int|string $id Widget ID.
- */
-function unregister_widget_control($id) {
- return wp_unregister_widget_control($id);
-}
-
/**
* Output an arbitrary widget as a template tag
*
$args = wp_parse_args($args, $default_args);
$instance = wp_parse_args($instance);
+ do_action( 'the_widget', $widget, $instance, $args );
+
$widget_obj->_set(-1);
$widget_obj->widget($args, $instance);
}
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