/*
- Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
+ Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
dojo._hasResource["dojo.back"] = true;
dojo.provide("dojo.back");
+dojo.getObject("back", true, dojo);
+
/*=====
dojo.back = {
// summary: Browser history management resources
=====*/
-(function(){
- var back = dojo.back;
+(function(){
+ var back = dojo.back,
// everyone deals with encoding the hash slightly differently
- function getHash(){
+ getHash= back.getHash= function(){
var h = window.location.hash;
if(h.charAt(0) == "#"){ h = h.substring(1); }
- return dojo.isMozilla ? h : decodeURIComponent(h);
- }
+ return dojo.isMozilla ? h : decodeURIComponent(h);
+ },
- function setHash(h){
+ setHash= back.setHash= function(h){
if(!h){ h = ""; }
window.location.hash = encodeURIComponent(h);
historyCounter = history.length;
- }
-
- // if we're in the test for these methods, expose them on dojo.back. ok'd with alex.
- if(dojo.exists("tests.back-hash")){
- back.getHash = getHash;
- back.setHash = setHash;
- }
-
+ };
+
var initialHref = (typeof(window) !== "undefined") ? window.location.href : "";
var initialHash = (typeof(window) !== "undefined") ? getHash() : "";
var initialState = null;
return;
}
}
-
- if(dojo.isSafari && dojo.isSafari < 3){
- var hisLen = history.length;
- if(hisLen > historyCounter) handleForwardButton();
- else if(hisLen < historyCounter) handleBackButton();
- historyCounter = hisLen;
- }
}
};
back.init = function(){
- //summary: Initializes the undo stack. This must be called from a <script>
+ //summary: Initializes the undo stack. This must be called from a <script>
// block that lives inside the <body> tag to prevent bugs on IE.
// description:
// Only call this method before the page's DOM is finished loading. Otherwise
};
back.setInitialState = function(/*Object*/args){
- //summary:
+ //summary:
// Sets the state object and back callback for the very first page
// that is loaded.
//description:
=====*/
back.addToHistory = function(/*dojo.__backArgs*/ args){
- // summary:
- // adds a state object (args) to the history list.
+ // summary:
+ // adds a state object (args) to the history list.
// description:
// To support getting back button notifications, the object
// argument should implement a function called either "back",
// "backButton", or "handle". The string "back" will be passed as
// the first and only argument to this callback.
- //
+ //
// To support getting forward button notifications, the object
// argument should implement a function called either "forward",
// "forwardButton", or "handle". The string "forward" will be
// | });
// BROWSER NOTES:
- // Safari 1.2:
+ // Safari 1.2:
// back button "works" fine, however it's not possible to actually
// DETECT that you've moved backwards by inspecting window.location.
// Unless there is some other means of locating.
// previous hash value, but to the last full page load. This suggests
// that the iframe is the correct way to capture the back button in
// these cases.
- // Don't test this page using local disk for MSIE. MSIE will not create
- // a history list for iframe_history.html if served from a file: URL.
- // The XML served back from the XHR tests will also not be properly
- // created if served from local disk. Serve the test pages from a web
+ // Don't test this page using local disk for MSIE. MSIE will not create
+ // a history list for iframe_history.html if served from a file: URL.
+ // The XML served back from the XHR tests will also not be properly
+ // created if served from local disk. Serve the test pages from a web
// server to test in that browser.
// IE 6.0:
// same behavior as IE 5.5 SP2
//If addToHistory is called, then that means we prune the
//forward stack -- the user went back, then wanted to
//start a new forward path.
- forwardStack = [];
+ forwardStack = [];
var hash = null;
var url = null;
}
changingUrl = true;
- setTimeout(function() {
- setHash(hash);
- changingUrl = false;
+ setTimeout(function() {
+ setHash(hash);
+ changingUrl = false;
}, 1);
bookmarkAnchor.href = hash;
};
back._iframeLoaded = function(evt, ifrLoc){
- //summary:
+ //summary:
// private method. Do not call this directly.
var query = getUrlQuery(ifrLoc.href);
- if(query == null){
+ if(query == null){
// alert("iframeLoaded");
// we hit the end of the history, so we should go back
if(historyStack.length == 1){
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