wp/wp-admin/includes/widgets.php
changeset 0 d970ebf37754
child 5 5e2f62d02dcd
equal deleted inserted replaced
-1:000000000000 0:d970ebf37754
       
     1 <?php
       
     2 /**
       
     3  * WordPress Widgets Administration API
       
     4  *
       
     5  * @package WordPress
       
     6  * @subpackage Administration
       
     7  */
       
     8 
       
     9 /**
       
    10  * Display list of the available widgets.
       
    11  *
       
    12  * @since 2.5.0
       
    13  */
       
    14 function wp_list_widgets() {
       
    15 	global $wp_registered_widgets, $sidebars_widgets, $wp_registered_widget_controls;
       
    16 
       
    17 	$sort = $wp_registered_widgets;
       
    18 	usort( $sort, '_sort_name_callback' );
       
    19 	$done = array();
       
    20 
       
    21 	foreach ( $sort as $widget ) {
       
    22 		if ( in_array( $widget['callback'], $done, true ) ) // We already showed this multi-widget
       
    23 			continue;
       
    24 
       
    25 		$sidebar = is_active_widget( $widget['callback'], $widget['id'], false, false );
       
    26 		$done[] = $widget['callback'];
       
    27 
       
    28 		if ( ! isset( $widget['params'][0] ) )
       
    29 			$widget['params'][0] = array();
       
    30 
       
    31 		$args = array( 'widget_id' => $widget['id'], 'widget_name' => $widget['name'], '_display' => 'template' );
       
    32 
       
    33 		if ( isset($wp_registered_widget_controls[$widget['id']]['id_base']) && isset($widget['params'][0]['number']) ) {
       
    34 			$id_base = $wp_registered_widget_controls[$widget['id']]['id_base'];
       
    35 			$args['_temp_id'] = "$id_base-__i__";
       
    36 			$args['_multi_num'] = next_widget_id_number($id_base);
       
    37 			$args['_add'] = 'multi';
       
    38 		} else {
       
    39 			$args['_add'] = 'single';
       
    40 			if ( $sidebar )
       
    41 				$args['_hide'] = '1';
       
    42 		}
       
    43 
       
    44 		$args = wp_list_widget_controls_dynamic_sidebar( array( 0 => $args, 1 => $widget['params'][0] ) );
       
    45 		call_user_func_array( 'wp_widget_control', $args );
       
    46 	}
       
    47 }
       
    48 
       
    49 /**
       
    50  * Callback to sort array by a 'name' key.
       
    51  *
       
    52  * @since 3.1.0
       
    53  * @access private
       
    54  */
       
    55 function _sort_name_callback( $a, $b ) {
       
    56 	return strnatcasecmp( $a['name'], $b['name'] );
       
    57 }
       
    58 
       
    59 /**
       
    60  * Show the widgets and their settings for a sidebar.
       
    61  * Used in the admin widget config screen.
       
    62  *
       
    63  * @since 2.5.0
       
    64  *
       
    65  * @param string $sidebar id slug of the sidebar
       
    66  */
       
    67 function wp_list_widget_controls( $sidebar ) {
       
    68 	add_filter( 'dynamic_sidebar_params', 'wp_list_widget_controls_dynamic_sidebar' );
       
    69 
       
    70 	echo "<div id='$sidebar' class='widgets-sortables'>\n";
       
    71 
       
    72 	$description = wp_sidebar_description( $sidebar );
       
    73 
       
    74 	if ( !empty( $description ) ) {
       
    75 		echo "<div class='sidebar-description'>\n";
       
    76 		echo "\t<p class='description'>$description</p>";
       
    77 		echo "</div>\n";
       
    78 	}
       
    79 
       
    80 	dynamic_sidebar( $sidebar );
       
    81 	echo "</div>\n";
       
    82 }
       
    83 
       
    84 /**
       
    85  * {@internal Missing Short Description}}
       
    86  *
       
    87  * @since 2.5.0
       
    88  *
       
    89  * @param array $params
       
    90  * @return array
       
    91  */
       
    92 function wp_list_widget_controls_dynamic_sidebar( $params ) {
       
    93 	global $wp_registered_widgets;
       
    94 	static $i = 0;
       
    95 	$i++;
       
    96 
       
    97 	$widget_id = $params[0]['widget_id'];
       
    98 	$id = isset($params[0]['_temp_id']) ? $params[0]['_temp_id'] : $widget_id;
       
    99 	$hidden = isset($params[0]['_hide']) ? ' style="display:none;"' : '';
       
   100 
       
   101 	$params[0]['before_widget'] = "<div id='widget-{$i}_{$id}' class='widget'$hidden>";
       
   102 	$params[0]['after_widget'] = "</div>";
       
   103 	$params[0]['before_title'] = "%BEG_OF_TITLE%"; // deprecated
       
   104 	$params[0]['after_title'] = "%END_OF_TITLE%"; // deprecated
       
   105 	if ( is_callable( $wp_registered_widgets[$widget_id]['callback'] ) ) {
       
   106 		$wp_registered_widgets[$widget_id]['_callback'] = $wp_registered_widgets[$widget_id]['callback'];
       
   107 		$wp_registered_widgets[$widget_id]['callback'] = 'wp_widget_control';
       
   108 	}
       
   109 
       
   110 	return $params;
       
   111 }
       
   112 
       
   113 function next_widget_id_number($id_base) {
       
   114 	global $wp_registered_widgets;
       
   115 	$number = 1;
       
   116 
       
   117 	foreach ( $wp_registered_widgets as $widget_id => $widget ) {
       
   118 		if ( preg_match( '/' . $id_base . '-([0-9]+)$/', $widget_id, $matches ) )
       
   119 			$number = max($number, $matches[1]);
       
   120 	}
       
   121 	$number++;
       
   122 
       
   123 	return $number;
       
   124 }
       
   125 
       
   126 /**
       
   127  * Meta widget used to display the control form for a widget.
       
   128  *
       
   129  * Called from dynamic_sidebar().
       
   130  *
       
   131  * @since 2.5.0
       
   132  *
       
   133  * @param array $sidebar_args
       
   134  * @return array
       
   135  */
       
   136 function wp_widget_control( $sidebar_args ) {
       
   137 	global $wp_registered_widgets, $wp_registered_widget_controls, $sidebars_widgets;
       
   138 
       
   139 	$widget_id = $sidebar_args['widget_id'];
       
   140 	$sidebar_id = isset($sidebar_args['id']) ? $sidebar_args['id'] : false;
       
   141 	$key = $sidebar_id ? array_search( $widget_id, $sidebars_widgets[$sidebar_id] ) : '-1'; // position of widget in sidebar
       
   142 	$control = isset($wp_registered_widget_controls[$widget_id]) ? $wp_registered_widget_controls[$widget_id] : array();
       
   143 	$widget = $wp_registered_widgets[$widget_id];
       
   144 
       
   145 	$id_format = $widget['id'];
       
   146 	$widget_number = isset($control['params'][0]['number']) ? $control['params'][0]['number'] : '';
       
   147 	$id_base = isset($control['id_base']) ? $control['id_base'] : $widget_id;
       
   148 	$multi_number = isset($sidebar_args['_multi_num']) ? $sidebar_args['_multi_num'] : '';
       
   149 	$add_new = isset($sidebar_args['_add']) ? $sidebar_args['_add'] : '';
       
   150 
       
   151 	$query_arg = array( 'editwidget' => $widget['id'] );
       
   152 	if ( $add_new ) {
       
   153 		$query_arg['addnew'] = 1;
       
   154 		if ( $multi_number ) {
       
   155 			$query_arg['num'] = $multi_number;
       
   156 			$query_arg['base'] = $id_base;
       
   157 		}
       
   158 	} else {
       
   159 		$query_arg['sidebar'] = $sidebar_id;
       
   160 		$query_arg['key'] = $key;
       
   161 	}
       
   162 
       
   163 	// We aren't showing a widget control, we're outputting a template for a multi-widget control
       
   164 	if ( isset($sidebar_args['_display']) && 'template' == $sidebar_args['_display'] && $widget_number ) {
       
   165 		// number == -1 implies a template where id numbers are replaced by a generic '__i__'
       
   166 		$control['params'][0]['number'] = -1;
       
   167 		// with id_base widget id's are constructed like {$id_base}-{$id_number}
       
   168 		if ( isset($control['id_base']) )
       
   169 			$id_format = $control['id_base'] . '-__i__';
       
   170 	}
       
   171 
       
   172 	$wp_registered_widgets[$widget_id]['callback'] = $wp_registered_widgets[$widget_id]['_callback'];
       
   173 	unset($wp_registered_widgets[$widget_id]['_callback']);
       
   174 
       
   175 	$widget_title = esc_html( strip_tags( $sidebar_args['widget_name'] ) );
       
   176 	$has_form = 'noform';
       
   177 
       
   178 	echo $sidebar_args['before_widget']; ?>
       
   179 	<div class="widget-top">
       
   180 	<div class="widget-title-action">
       
   181 		<a class="widget-action hide-if-no-js" href="#available-widgets"></a>
       
   182 		<a class="widget-control-edit hide-if-js" href="<?php echo esc_url( add_query_arg( $query_arg ) ); ?>">
       
   183 			<span class="edit"><?php _ex( 'Edit', 'widget' ); ?></span>
       
   184 			<span class="add"><?php _ex( 'Add', 'widget' ); ?></span>
       
   185 			<span class="screen-reader-text"><?php echo $widget_title; ?></span>
       
   186 		</a>
       
   187 	</div>
       
   188 	<div class="widget-title"><h4><?php echo $widget_title ?><span class="in-widget-title"></span></h4></div>
       
   189 	</div>
       
   190 
       
   191 	<div class="widget-inside">
       
   192 	<form action="" method="post">
       
   193 	<div class="widget-content">
       
   194 <?php
       
   195 	if ( isset($control['callback']) )
       
   196 		$has_form = call_user_func_array( $control['callback'], $control['params'] );
       
   197 	else
       
   198 		echo "\t\t<p>" . __('There are no options for this widget.') . "</p>\n"; ?>
       
   199 	</div>
       
   200 	<input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr($id_format); ?>" />
       
   201 	<input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr($id_base); ?>" />
       
   202 	<input type="hidden" name="widget-width" class="widget-width" value="<?php if (isset( $control['width'] )) echo esc_attr($control['width']); ?>" />
       
   203 	<input type="hidden" name="widget-height" class="widget-height" value="<?php if (isset( $control['height'] )) echo esc_attr($control['height']); ?>" />
       
   204 	<input type="hidden" name="widget_number" class="widget_number" value="<?php echo esc_attr($widget_number); ?>" />
       
   205 	<input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr($multi_number); ?>" />
       
   206 	<input type="hidden" name="add_new" class="add_new" value="<?php echo esc_attr($add_new); ?>" />
       
   207 
       
   208 	<div class="widget-control-actions">
       
   209 		<div class="alignleft">
       
   210 		<a class="widget-control-remove" href="#remove"><?php _e('Delete'); ?></a> |
       
   211 		<a class="widget-control-close" href="#close"><?php _e('Close'); ?></a>
       
   212 		</div>
       
   213 		<div class="alignright<?php if ( 'noform' === $has_form ) echo ' widget-control-noform'; ?>">
       
   214 			<?php submit_button( __( 'Save' ), 'button-primary widget-control-save right', 'savewidget', false, array( 'id' => 'widget-' . esc_attr( $id_format ) . '-savewidget' ) ); ?>
       
   215 			<span class="spinner"></span>
       
   216 		</div>
       
   217 		<br class="clear" />
       
   218 	</div>
       
   219 	</form>
       
   220 	</div>
       
   221 
       
   222 	<div class="widget-description">
       
   223 <?php echo ( $widget_description = wp_widget_description($widget_id) ) ? "$widget_description\n" : "$widget_title\n"; ?>
       
   224 	</div>
       
   225 <?php
       
   226 	echo $sidebar_args['after_widget'];
       
   227 	return $sidebar_args;
       
   228 }