| /* |
| Copyright (c) 2004-2009, 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 |
| */ |
| |
| |
| if(!dojo._hasResource["dojo.back"]){ |
| dojo._hasResource["dojo.back"]=true; |
| dojo.provide("dojo.back"); |
| (function(){ |
| var _1=dojo.back; |
| function _2(){ |
| var h=window.location.hash; |
| if(h.charAt(0)=="#"){ |
| h=h.substring(1); |
| } |
| return dojo.isMozilla?h:decodeURIComponent(h); |
| }; |
| function _3(h){ |
| if(!h){ |
| h=""; |
| } |
| window.location.hash=encodeURIComponent(h); |
| _4=history.length; |
| }; |
| if(dojo.exists("tests.back-hash")){ |
| _1.getHash=_2; |
| _1.setHash=_3; |
| } |
| var _5=(typeof (window)!=="undefined")?window.location.href:""; |
| var _6=(typeof (window)!=="undefined")?_2():""; |
| var _7=null; |
| var _8=null; |
| var _9=null; |
| var _a=null; |
| var _b=[]; |
| var _c=[]; |
| var _d=false; |
| var _e=false; |
| var _4; |
| function _f(){ |
| var _10=_c.pop(); |
| if(!_10){ |
| return; |
| } |
| var _11=_c[_c.length-1]; |
| if(!_11&&_c.length==0){ |
| _11=_7; |
| } |
| if(_11){ |
| if(_11.kwArgs["back"]){ |
| _11.kwArgs["back"](); |
| }else{ |
| if(_11.kwArgs["backButton"]){ |
| _11.kwArgs["backButton"](); |
| }else{ |
| if(_11.kwArgs["handle"]){ |
| _11.kwArgs.handle("back"); |
| } |
| } |
| } |
| } |
| _b.push(_10); |
| }; |
| _1.goBack=_f; |
| function _12(){ |
| var _13=_b.pop(); |
| if(!_13){ |
| return; |
| } |
| if(_13.kwArgs["forward"]){ |
| _13.kwArgs.forward(); |
| }else{ |
| if(_13.kwArgs["forwardButton"]){ |
| _13.kwArgs.forwardButton(); |
| }else{ |
| if(_13.kwArgs["handle"]){ |
| _13.kwArgs.handle("forward"); |
| } |
| } |
| } |
| _c.push(_13); |
| }; |
| _1.goForward=_12; |
| function _14(url,_15,_16){ |
| return {"url":url,"kwArgs":_15,"urlHash":_16}; |
| }; |
| function _17(url){ |
| var _18=url.split("?"); |
| if(_18.length<2){ |
| return null; |
| }else{ |
| return _18[1]; |
| } |
| }; |
| function _19(){ |
| var url=(dojo.config["dojoIframeHistoryUrl"]||dojo.moduleUrl("dojo","resources/iframe_history.html"))+"?"+(new Date()).getTime(); |
| _d=true; |
| if(_a){ |
| dojo.isWebKit?_a.location=url:window.frames[_a.name].location=url; |
| }else{ |
| } |
| return url; |
| }; |
| function _1a(){ |
| if(!_e){ |
| var hsl=_c.length; |
| var _1b=_2(); |
| if((_1b===_6||window.location.href==_5)&&(hsl==1)){ |
| _f(); |
| return; |
| } |
| if(_b.length>0){ |
| if(_b[_b.length-1].urlHash===_1b){ |
| _12(); |
| return; |
| } |
| } |
| if((hsl>=2)&&(_c[hsl-2])){ |
| if(_c[hsl-2].urlHash===_1b){ |
| _f(); |
| return; |
| } |
| } |
| if(dojo.isSafari&&dojo.isSafari<3){ |
| var _1c=history.length; |
| if(_1c>_4){ |
| _12(); |
| }else{ |
| if(_1c<_4){ |
| _f(); |
| } |
| } |
| _4=_1c; |
| } |
| } |
| }; |
| _1.init=function(){ |
| if(dojo.byId("dj_history")){ |
| return; |
| } |
| var src=dojo.config["dojoIframeHistoryUrl"]||dojo.moduleUrl("dojo","resources/iframe_history.html"); |
| if(dojo._postLoad){ |
| console.error("dojo.back.init() must be called before the DOM has loaded. "+"If using xdomain loading or djConfig.debugAtAllCosts, include dojo.back "+"in a build layer."); |
| }else{ |
| document.write("<iframe style=\"border:0;width:1px;height:1px;position:absolute;visibility:hidden;bottom:0;right:0;\" name=\"dj_history\" id=\"dj_history\" src=\""+src+"\"></iframe>"); |
| } |
| }; |
| _1.setInitialState=function(_1d){ |
| _7=_14(_5,_1d,_6); |
| }; |
| _1.addToHistory=function(_1e){ |
| _b=[]; |
| var _1f=null; |
| var url=null; |
| if(!_a){ |
| if(dojo.config["useXDomain"]&&!dojo.config["dojoIframeHistoryUrl"]){ |
| console.warn("dojo.back: When using cross-domain Dojo builds,"+" please save iframe_history.html to your domain and set djConfig.dojoIframeHistoryUrl"+" to the path on your domain to iframe_history.html"); |
| } |
| _a=window.frames["dj_history"]; |
| } |
| if(!_9){ |
| _9=dojo.create("a",{style:{display:"none"}},dojo.body()); |
| } |
| if(_1e["changeUrl"]){ |
| _1f=""+((_1e["changeUrl"]!==true)?_1e["changeUrl"]:(new Date()).getTime()); |
| if(_c.length==0&&_7.urlHash==_1f){ |
| _7=_14(url,_1e,_1f); |
| return; |
| }else{ |
| if(_c.length>0&&_c[_c.length-1].urlHash==_1f){ |
| _c[_c.length-1]=_14(url,_1e,_1f); |
| return; |
| } |
| } |
| _e=true; |
| setTimeout(function(){ |
| _3(_1f); |
| _e=false; |
| },1); |
| _9.href=_1f; |
| if(dojo.isIE){ |
| url=_19(); |
| var _20=_1e["back"]||_1e["backButton"]||_1e["handle"]; |
| var tcb=function(_21){ |
| if(_2()!=""){ |
| setTimeout(function(){ |
| _3(_1f); |
| },1); |
| } |
| _20.apply(this,[_21]); |
| }; |
| if(_1e["back"]){ |
| _1e.back=tcb; |
| }else{ |
| if(_1e["backButton"]){ |
| _1e.backButton=tcb; |
| }else{ |
| if(_1e["handle"]){ |
| _1e.handle=tcb; |
| } |
| } |
| } |
| var _22=_1e["forward"]||_1e["forwardButton"]||_1e["handle"]; |
| var tfw=function(_23){ |
| if(_2()!=""){ |
| _3(_1f); |
| } |
| if(_22){ |
| _22.apply(this,[_23]); |
| } |
| }; |
| if(_1e["forward"]){ |
| _1e.forward=tfw; |
| }else{ |
| if(_1e["forwardButton"]){ |
| _1e.forwardButton=tfw; |
| }else{ |
| if(_1e["handle"]){ |
| _1e.handle=tfw; |
| } |
| } |
| } |
| }else{ |
| if(!dojo.isIE){ |
| if(!_8){ |
| _8=setInterval(_1a,200); |
| } |
| } |
| } |
| }else{ |
| url=_19(); |
| } |
| _c.push(_14(url,_1e,_1f)); |
| }; |
| _1._iframeLoaded=function(evt,_24){ |
| var _25=_17(_24.href); |
| if(_25==null){ |
| if(_c.length==1){ |
| _f(); |
| } |
| return; |
| } |
| if(_d){ |
| _d=false; |
| return; |
| } |
| if(_c.length>=2&&_25==_17(_c[_c.length-2].url)){ |
| _f(); |
| }else{ |
| if(_b.length>0&&_25==_17(_b[_b.length-1].url)){ |
| _12(); |
| } |
| } |
| }; |
| })(); |
| } |
