/* 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 */ /* This is an optimized version of Dojo, built for deployment and not for development. To get sources and documentation, please visit: http://dojotoolkit.org */ if(!dojo._hasResource["dojo.back"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. 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, // everyone deals with encoding the hash slightly differently getHash= back.getHash= function(){ var h = window.location.hash; if(h.charAt(0) == "#"){ h = h.substring(1); } return dojo.isMozilla ? h : decodeURIComponent(h); }, setHash= back.setHash= function(h){ if(!h){ h = ""; } window.location.hash = encodeURIComponent(h); historyCounter = history.length; }; var initialHref = (typeof(window) !== "undefined") ? window.location.href : ""; var initialHash = (typeof(window) !== "undefined") ? getHash() : ""; var initialState = null; var locationTimer = null; var bookmarkAnchor = null; var historyIframe = null; var forwardStack = []; var historyStack = []; var moveForward = false; var changingUrl = false; var historyCounter; function handleBackButton(){ //summary: private method. Do not call this directly. //The "current" page is always at the top of the history stack. var current = historyStack.pop(); if(!current){ return; } var last = historyStack[historyStack.length-1]; if(!last && historyStack.length == 0){ last = initialState; } if(last){ if(last.kwArgs["back"]){ last.kwArgs["back"](); }else if(last.kwArgs["backButton"]){ last.kwArgs["backButton"](); }else if(last.kwArgs["handle"]){ last.kwArgs.handle("back"); } } forwardStack.push(current); } back.goBack = handleBackButton; function handleForwardButton(){ //summary: private method. Do not call this directly. var last = forwardStack.pop(); if(!last){ return; } if(last.kwArgs["forward"]){ last.kwArgs.forward(); }else if(last.kwArgs["forwardButton"]){ last.kwArgs.forwardButton(); }else if(last.kwArgs["handle"]){ last.kwArgs.handle("forward"); } historyStack.push(last); } back.goForward = handleForwardButton; function createState(url, args, hash){ //summary: private method. Do not call this directly. return {"url": url, "kwArgs": args, "urlHash": hash}; //Object } function getUrlQuery(url){ //summary: private method. Do not call this directly. var segments = url.split("?"); if(segments.length < 2){ return null; //null } else{ return segments[1]; //String } } function loadIframeHistory(){ //summary: private method. Do not call this directly. var url = (dojo.config["dojoIframeHistoryUrl"] || dojo.moduleUrl("dojo", "resources/iframe_history.html")) + "?" + (new Date()).getTime(); moveForward = true; if(historyIframe){ dojo.isWebKit ? historyIframe.location = url : window.frames[historyIframe.name].location = url; }else{ //console.warn("dojo.back: Not initialised. You need to call dojo.back.init() from a