Add "Accessibility Mode" for widgets screen (can be turned on from Screen Options). Add set_user_setting() to the UI state saving functions.

git-svn-id: http://svn.automattic.com/wordpress/trunk@11503 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/ie.css

@@ -373,7 +373,7 @@ table.ie-fixed {
 }
 
 * html .widget-title h4 {
-	width: 210px;
+	width: 205px;
 }
 
 * html #removing-widget .in-widget-title {

wp-admin/css/widgets.css

@@ -322,3 +322,43 @@ a.widget-control-edit {
 	font-size: 12px;
 }
 
+#access-off,
+.widgets_access .widget-action,
+.widgets_access .sidebar-name-arrow,
+.widgets_access #access-on,
+.widgets_access .widget-holder .description {
+	display: none;
+}
+
+.widgets_access .widget-holder,
+.widgets_access #widget-list {
+	padding-top: 10px;
+}
+
+.widgets_access #access-off {
+	display: inline;
+}
+
+.widgets_access #wpbody-content .widget-title-action,
+.widgets_access #wpbody-content .widget-control-edit,
+.widgets_access .closed .widgets-sortables,
+.widgets_access .closed .widget-holder {
+	display: block;
+}
+
+.widgets_access .closed .sidebar-name {
+	-moz-border-radius-bottomleft: 0;
+	-moz-border-radius-bottomright: 0;
+	-webkit-border-bottom-right-radius: 0;
+	-webkit-border-bottom-left-radius: 0;
+	-khtml-border-bottom-right-radius: 0;
+	-khtml-border-bottom-left-radius: 0;
+	border-bottom-right-radius: 0;
+	border-bottom-left-radius: 0;
+}
+
+.widgets_access .sidebar-name,
+.widgets_access .widget .widget-top {
+	cursor: default;
+}
+

wp-admin/includes/template.php

@@ -3431,6 +3431,8 @@ function screen_meta($screen) {
 	if ( !isset($_wp_contextual_help) )
 		$_wp_contextual_help = array();
 
+	$widgets_access = '';
+
 	switch ( $screen ) {
 		case 'post':
 			if ( !isset($_wp_contextual_help['post']) ) {
@@ -3474,6 +3476,8 @@ function screen_meta($screen) {
 				$help = widgets_help();
 				$_wp_contextual_help['widgets'] = $help;
 			}
+			$widgets_access = '<p><a id="access-on" href="widgets.php?widgets-access=on">' . __('Enable accessibility mode') . '</a><a id="access-off" href="widgets.php?widgets-access=off">' . __('Disable accessibility mode') . "</a></p>\n";
+			$show_screen = true;
 			break;
 	}
 ?>
@@ -3496,6 +3500,7 @@ function screen_meta($screen) {
 <?php endif; ?>
 <?php echo screen_layout($screen); ?>
 <?php echo $screen_options; ?>
+<?php echo $widgets_access; ?>
 <div><?php wp_nonce_field( 'screen-options-nonce', 'screenoptionnonce', false ); ?></div>
 </form>
 </div>

wp-admin/js/widgets.dev.js

@@ -6,6 +6,10 @@ wpWidgets = {
 	init : function() {
         var rem;
 
+		if ( $('body').hasClass('widgets_access') ) {
+			return;
+		}
+
 		$('#widgets-right div.sidebar-name').click(function(){
             var c = $(this).siblings('.widgets-sortables');
 			if ( c.is(':visible') ) {

wp-admin/widgets.php

@@ -300,6 +300,15 @@ if ( isset($_GET['editwidget']) && $_GET['editwidget'] ) {
 	exit;
 }
 
+$widgets_access = get_user_setting( 'widgets_access' );
+if ( isset($_GET['widgets-access']) ) {
+	$widgets_access = 'on' == $_GET['widgets-access'] ? 'on' : 'off';
+	set_user_setting( 'widgets_access', $widgets_access );
+}
+
+if ( 'on' == $widgets_access )
+	add_filter( 'admin_body_class', create_function('', '{return " widgets_access ";}') );
+
 $messages = array(
 	__('Changes saved.')
 );

wp-includes/functions.php

@@ -783,6 +783,7 @@ function wp_user_settings() {
 
 	setcookie( 'wp-settings-' . $user->ID, $settings, time() + 31536000, SITECOOKIEPATH );
 	setcookie( 'wp-settings-time-' . $user->ID, time(), time() + 31536000, SITECOOKIEPATH );
+	$_COOKIE['wp-settings-' . $user->ID] = $settings;
 }
 
 /**
@@ -798,44 +799,73 @@ function wp_user_settings() {
  */
 function get_user_setting( $name, $default = false ) {
 
-	$arr = get_all_user_settings();
+	$all = get_all_user_settings();
 
-	return isset($arr[$name]) ? $arr[$name] : $default;
+	return isset($all[$name]) ? $all[$name] : $default;
+}
+
+/**
+ * Add or update user interface setting.
+ *
+ * Both $name and $value can contain only ASCII letters, numbers and underscores.
+ * This function has to be used before any output has started as it calls setcookie().
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.8.0
+ *
+ * @param string $name The name of the setting.
+ * @param string $value The value for the setting.
+ * @return bool true if set successfully/false if not.
+ */
+function set_user_setting( $name, $value ) {
+
+	if ( headers_sent() )
+		return false;
+
+	$all = get_all_user_settings();
+	$name = preg_replace( '/[^A-Za-z0-9_]+/', '', $name );
+
+	if ( empty($name) )
+		return false;
+
+	$all[$name] = $value;
+
+	return wp_set_all_user_settings($all);
 }
 
 /**
  * Delete user interface settings.
  *
  * Deleting settings would reset them to the defaults.
+ * This function has to be used before any output has started as it calls setcookie().
  *
  * @package WordPress
  * @subpackage Option
  * @since 2.7.0
  *
  * @param mixed $names The name or array of names of the setting to be deleted.
+ * @return bool true if deleted successfully/false if not.
  */
 function delete_user_setting( $names ) {
-	global $current_user;
 
-	$arr = get_all_user_settings();
+	if ( headers_sent() )
+		return false;
+
+	$all = get_all_user_settings();
 	$names = (array) $names;
 
 	foreach ( $names as $name ) {
-		if ( isset($arr[$name]) ) {
-			unset($arr[$name]);
-			$settings = '';
+		if ( isset($all[$name]) ) {
+			unset($all[$name]);
+			$deleted = true;
 		}
 	}
 
-	if ( isset($settings) ) {
-		foreach ( $arr as $k => $v )
-			$settings .= $k . '=' . $v . '&';
+	if ( isset($deleted) )
+		return wp_set_all_user_settings($all);
 
-		$settings = rtrim($settings, '&');
-
-		update_user_option( $current_user->ID, 'user-settings', $settings );
-		setcookie('wp-settings-' . $current_user->ID, $settings, time() + 31536000, SITECOOKIEPATH);
-	}
+	return false;
 }
 
 /**
@@ -848,21 +878,57 @@ function delete_user_setting( $names ) {
  * @return array the last saved user settings or empty array.
  */
 function get_all_user_settings() {
+	global $_updated_user_settings;
+
 	if ( ! $user = wp_get_current_user() )
 		return array();
 
-	$arr = array();
+	if ( isset($_updated_user_settings) && is_array($_updated_user_settings) )
+		return $_updated_user_settings;
+
+	$all = array();
 	if ( isset($_COOKIE['wp-settings-' . $user->ID]) ) {
 		$cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user->ID] );
 
 		if ( $cookie && strpos($cookie, '=') ) // the '=' cannot be 1st char
-			parse_str($cookie, $arr);
+			parse_str($cookie, $all);
 
-	} elseif ( isset($user->wp_usersettings) && is_string($user->wp_usersettings) ) {
-		parse_str( $user->wp_usersettings, $arr );
+	} else {
+		$option = get_user_option('user-settings', $user->ID);
+		if ( $option && is_string($option) )
+			parse_str( $option, $all );
 	}
 
-	return $arr;
+	return $all;
+}
+
+/**
+ * Private. Set all user interface settings.
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.8.0
+ *
+ */
+function wp_set_all_user_settings($all) {
+	global $_updated_user_settings;
+
+	if ( ! $user = wp_get_current_user() )
+		return false;
+
+	$_updated_user_settings = $all;
+	$settings = '';
+	foreach ( $all as $k => $v ) {
+		$v = preg_replace( '/[^A-Za-z0-9_]+/', '', $v );
+		$settings .= $k . '=' . $v . '&';
+	}
+
+	$settings = rtrim($settings, '&');
+
+	update_user_option( $user->ID, 'user-settings', $settings, false );
+	update_user_option( $user->ID, 'user-settings-time', time(), false );
+
+	return true;
 }
 
 /**
@@ -876,8 +942,8 @@ function delete_all_user_settings() {
 	if ( ! $user = wp_get_current_user() )
 		return;
 
-	delete_usermeta( $user->ID, 'user-settings' );
-	setcookie('wp-settings-'.$user->ID, ' ', time() - 31536000, SITECOOKIEPATH);
+	update_user_option( $user->ID, 'user-settings', '', false );
+	setcookie('wp-settings-' . $user->ID, ' ', time() - 31536000, SITECOOKIEPATH);
 }
 
 /**

wp-includes/script-loader.php

@@ -332,7 +332,7 @@ function wp_default_scripts( &$scripts ) {
 		$scripts->add( 'media-upload', "/wp-admin/js/media-upload$suffix.js", array( 'thickbox' ), '20090114' );
 		$scripts->add_data( 'media-upload', 'group', 1 );
 
-		$scripts->add( 'admin-widgets', "/wp-admin/js/widgets$suffix.js", array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-droppable' ), '20090530' );
+		$scripts->add( 'admin-widgets', "/wp-admin/js/widgets$suffix.js", array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-droppable' ), '20090601' );
 		$scripts->add_data( 'admin-widgets', 'group', 1 );
 
 		$scripts->add( 'word-count', "/wp-admin/js/word-count$suffix.js", array( 'jquery' ), '20090422' );
@@ -438,7 +438,7 @@ function wp_default_styles( &$styles ) {
 
 	$styles->add( 'global', '/wp-admin/css/global.css', array(), '20090514' );
 	$styles->add( 'media', '/wp-admin/css/media.css', array(), '20090516' );
-	$styles->add( 'widgets', '/wp-admin/css/widgets.css', array(), '20090530' );
+	$styles->add( 'widgets', '/wp-admin/css/widgets.css', array(), '20090601' );
 	$styles->add( 'dashboard', '/wp-admin/css/dashboard.css', array(), '20090514' );
 	$styles->add( 'install', '/wp-admin/css/install.css', array(), '20090514' );
 	$styles->add( 'theme-editor', '/wp-admin/css/theme-editor.css', array(), '20090514' );