From 4e06fa6304c30dd3bfcfa818a84d7fb7e92eea33 Mon Sep 17 00:00:00 2001
From: Paul Bakaus <paul.bakaus@googlemail.com>
Date: Wed, 9 Jul 2008 11:09:40 +0000
Subject: - removed 1.6 branch - changed version in tags/1.5.2 to 1.5.2 -
 merged trunk with 1.6

---
 ui/ui.history.js | 117 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 ui/ui.history.js

(limited to 'ui/ui.history.js')

diff --git a/ui/ui.history.js b/ui/ui.history.js
new file mode 100644
index 000000000..6378b75a0
--- /dev/null
+++ b/ui/ui.history.js
@@ -0,0 +1,117 @@
+/*
+ * jQuery UI History
+ *
+ * Copyright (c) 2008 Klaus Hartl (stilbuero.de)
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
+ * and GPL (GPL-LICENSE.txt) licenses.
+ *
+ * http://docs.jquery.com/UI/History
+ *
+ * Revision: $Id: ui.history.js 5218 2008-04-09 20:08:24Z rdworth $
+ */
+;(function($) {
+
+    // if the UI scope is not availalable, add it
+    $.ui = $.ui || {};    
+    
+    // TODO lazy loading singleton
+    $.ui.hmanager = new function() {
+        var states = {}, def = function() {};
+        
+        var $window = $(window), hash = location.hash;        
+   
+        function getState() {
+            return hash.replace('#', '');
+        } 
+        
+        var iframe;
+        // var keepHistoryIn = iframe || window;
+            
+        return {
+
+            enable: function() {
+                
+                if ($.browser.msie && parseInt($.browser.version) < 8) {
+                    $(function() {
+                        // create hidden iframe for hash change tracking
+                        iframe = $('<iframe id="ui-history-iframe" style="display: none;"></iframe>').
+                                        prependTo(document.body)[0];
+                        
+                        // create initial history entry
+                        iframe.contentWindow.document.open();
+                        iframe.contentWindow.document.close();
+                        
+                        if (getState())
+                            iframe.contentWindow.document.location.hash = getState();
+                        
+                    });
+                }
+                
+                $window.bind('hashchange', function(e) {
+                    // Prevent IE 8 from fireing an event twice,
+                    // one from true event, one from trigger...
+                    if (!iframe && hash == location.hash || iframe && hash == iframe.contentWindow.document.location.hash)
+                        return false;
+
+                    if ($.browser.msie && parseInt($.browser.version) < 8) {
+                        hash = iframe.contentWindow.document.location.hash;
+                    }
+                    else
+                        hash = location.hash;
+                    
+                    if (getState())
+                        states[getState()]();
+                    else
+                        // TODO invoke default
+                        ;
+                });
+                
+                if (!($.browser.msie && parseInt($.browser.version) >= 8)) {
+                    setInterval(
+                        ($.browser.msie ?
+                            function() {
+                                if (hash != iframe.contentWindow.document.location.hash)
+                                    $window.trigger('hashchange');
+                            } : 
+                            function() {
+                                if (hash != location.hash)
+                                    $window.trigger('hashchange');
+                                else
+                                    // Do the history.length check hack for Safari 2
+                                    ;
+                            }
+                        )
+                        , 200
+                    );
+                }
+                
+            },
+
+            add: function(state, handler) {
+                states[state] = handler;
+            },
+            
+            go: function(state) {
+                if (state) {
+                    if ($.browser.msie && parseInt($.browser.version) < 8) {
+                        iframe.contentWindow.document.open();
+                        iframe.contentWindow.document.close();
+                        iframe.contentWindow.document.location.hash = state;                        
+                    }
+                    location.hash = state;
+                    $window.trigger('hashchange');
+                }
+                else 
+                    console.log('TODO do default state');
+            }
+
+        }
+        
+    };
+
+    $.ui.history = function() { 
+        var args = Array.prototype.slice.call(arguments, 1);
+        $.ui.hmanager[arguments[0]].apply($.ui.hmanager, args);
+    };
+    
+})(jQuery);
-- 
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