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Viewing changes to webui/ecosystem/extjs/build/util/History-min.js

  • Committer: parra
  • Date: 2010-03-15 02:39:02 UTC
  • Revision ID: svn-v4:ac5bba68-f036-4e09-846e-8f32731cc928:trunk/gelee:1433
merged gelee at svn

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webui/ecosystem/extjs/build/util/History-min.js
 
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/*
 
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 * Ext JS Library 3.0 RC2
 
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 * Copyright(c) 2006-2009, Ext JS, LLC.
 
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 * licensing@extjs.com
 
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 * 
 
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 * http://extjs.com/license
 
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 */
 
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Ext.History=(function(){var iframe,hiddenField;var ready=false;var currentToken;function getHash(){var href=top.location.href,i=href.indexOf("#");return i>=0?href.substr(i+1):null;}
 
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function doSave(){hiddenField.value=currentToken;}
 
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function handleStateChange(token){currentToken=token;Ext.History.fireEvent('change',token);}
 
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function updateIFrame(token){var html=['<html><body><div id="state">',token,'</div></body></html>'].join('');try{var doc=iframe.contentWindow.document;doc.open();doc.write(html);doc.close();return true;}catch(e){return false;}}
 
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function checkIFrame(){if(!iframe.contentWindow||!iframe.contentWindow.document){setTimeout(checkIFrame,10);return;}
 
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var doc=iframe.contentWindow.document;var elem=doc.getElementById("state");var token=elem?elem.innerText:null;var hash=getHash();setInterval(function(){doc=iframe.contentWindow.document;elem=doc.getElementById("state");var newtoken=elem?elem.innerText:null;var newHash=getHash();if(newtoken!==token){token=newtoken;handleStateChange(token);top.location.hash=token;hash=token;doSave();}else if(newHash!==hash){hash=newHash;updateIFrame(newHash);}},50);ready=true;Ext.History.fireEvent('ready',Ext.History);}
 
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function startUp(){currentToken=hiddenField.value?hiddenField.value:getHash();if(Ext.isIE){checkIFrame();}else{var hash=getHash();setInterval(function(){var newHash=getHash();if(newHash!==hash){hash=newHash;handleStateChange(hash);doSave();}},50);ready=true;Ext.History.fireEvent('ready',Ext.History);}}
 
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return{fieldId:'x-history-field',iframeId:'x-history-frame',events:{},init:function(onReady,scope){if(ready){Ext.callback(onReady,scope,[this]);return;}
 
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if(!Ext.isReady){Ext.onReady(function(){Ext.History.init(onReady,scope);});return;}
 
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hiddenField=Ext.getDom(Ext.History.fieldId);if(Ext.isIE){iframe=Ext.getDom(Ext.History.iframeId);}
 
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this.addEvents('ready','change');if(onReady){this.on('ready',onReady,scope,{single:true});}
 
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startUp();},add:function(token,preventDup){if(preventDup!==false){if(this.getToken()==token){return true;}}
 
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if(Ext.isIE){return updateIFrame(token);}else{top.location.hash=token;return true;}},back:function(){history.go(-1);},forward:function(){history.go(1);},getToken:function(){return ready?currentToken:getHash();}};})();Ext.apply(Ext.History,new Ext.util.Observable());
 
 
b'\\ No newline at end of file'