Ticket #21273: 21273-5.patch

wp-admin/js/common.dev.js

@@ -95 +95 @@
         page:    null, // #wpcontent
 
         init: function() {
+                var self = this;
+
                 this.element = $('#screen-meta');
                 this.toggles = $('.screen-meta-toggle a');
                 this.page    = $('#wpcontent');
 
                 this.toggles.click( this.toggleEvent );
+
+                $(document).ready( function(){
+                        self.autoOpen(); // that happens too early when the page is not cached, may need to run on $(window).load()
+
+                        if ( 'onhashchange' in window ) {
+                                $(window).bind('hashchange.help-tabs', function(){
+                                        self.autoOpen();
+                                });
+                        } else { // IE7
+                                $(document.body).bind('click.help-tabs', function(e){
+                                        if ( e.target.href && /^#.+/.test(e.target.href) ) { // only links where href="#something"
+                                                self.autoOpen(e.target.href); // no need to prevent default as the link doesn't go to another page
+                                        }
+                                });
+                        }
+                });
         },
 
         toggleEvent: function( e ) {
@@ -131 +149 @@
                         $('.screen-meta-toggle').css('visibility', '');
                         panel.parent().hide();
                 });
+
+                screenMeta.updateHash();
+        },
+
+        updateHash: function( hash ) {
+                hash = hash || '';
+                window.location.hash = hash;
+        },
+        
+        autoOpen : function(hash) {
+                var panel = hash || window.location.hash;
+        
+                if ( $(panel).length ) {
+                        // Activate the panel.
+                        $('.contextual-help-tabs li, div.help-tab-content').removeClass('active');
+                        $(panel+', '+panel.replace(/tab-panel-/, 'tab-link-')).addClass('active');
+        
+                        // Scroll to the top.
+                        $('html').animate({ scrollTop: 0 }, 'fast', function(){
+                                // Open the help panel if needed.
+                                if ( ! $('#contextual-help-wrap').is(':visible') )
+                                        screenMeta.open( $('#contextual-help-wrap'), $('#contextual-help-link') );
+                        });
+                };
         }
 };
 
-/**
- * Help tabs.
- */
 $('.contextual-help-tabs').delegate('a', 'click focus', function(e) {
         var link = $(this),
                 panel;
@@ -144 +183 @@
         e.preventDefault();
 
         // Don't do anything if the click is for the tab already showing.
-        if ( link.is('.active a') )
+        if ( link.parent().hasClass('active') )
                 return false;
 
         // Links
@@ -153 +192 @@
 
         panel = $( link.attr('href') );
 
+        screenMeta.updateHash( $(panel).attr('id') );
+
         // Panels
-        $('.help-tab-content').not( panel ).removeClass('active').hide();
-        panel.addClass('active').show();
+        $('.help-tab-content.active').removeClass('active');
+        panel.addClass('active');
 });
 
 $(document).ready( function() {