[3102] | 1 | |
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| 2 | (function() |
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| 3 | {var _THREADS=[];var _ie;function _config(pObj,pEvent,pHandler) |
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| 4 | {if(typeof pObj=='object') |
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| 5 | {if(pEvent.substring(0,2)=='on') |
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| 6 | pEvent=pEvent.substring(2,pEvent.length);if(pObj.addEventListener) |
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| 7 | pObj.addEventListener(pEvent,pHandler,false);else if(pObj.attachEvent) |
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| 8 | pObj.attachEvent('on'+pEvent,pHandler);}} |
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| 9 | function _xhr() |
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| 10 | {try |
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| 11 | {return new XMLHttpRequest();} |
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| 12 | catch(_e) |
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| 13 | {_ie=true;try |
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| 14 | {return new ActiveXObject('Msxml2.XMLHTTP');} |
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| 15 | catch(_e1) |
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| 16 | {try |
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| 17 | {return new ActiveXObject('Microsoft.XMLHTTP');} |
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| 18 | catch(_e2) |
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| 19 | {return false;}}}} |
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| 20 | function _HANDLER() |
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| 21 | {var _ID=arguments[0];if(_THREADS[_ID]) |
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| 22 | {if(_ie&&_THREADS[_ID]._XHR.readyState!=4) |
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| 23 | return false;switch(_THREADS[_ID]._XHR.readyState) |
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| 24 | {case 3:if(_THREADS[_ID]._HANDLER.stream) |
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| 25 | {var _data=_THREADS[_ID]._XHR.responseText.substr(_THREADS[_ID]._index).replace(/^ +| +$/g,'');_THREADS[_ID]._rtlen=_THREADS[_ID]._XHR.responseText.length;if(_THREADS[_ID]._index<_THREADS[_ID]._rtlen&&_data.length) |
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| 26 | {try |
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| 27 | {_THREADS[_ID]._HANDLER.stream(_data);} |
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| 28 | catch(_e) |
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| 29 | {}} |
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| 30 | if(_THREADS[_ID]) |
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| 31 | {_THREADS[_ID]._index=_THREADS[_ID]._rtlen;}} |
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| 32 | break;case 4:try |
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| 33 | {switch(_THREADS[_ID]._XHR.status) |
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| 34 | {case 200:var _data=(_THREADS[_ID]._MODE=='XML')?_THREADS[_ID]._XHR.responseXML:_THREADS[_ID]._XHR.responseText;if(_ie&&_THREADS[_ID]._HANDLER.stream) |
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| 35 | _THREADS[_ID]._HANDLER.stream(_data);var _request=(_THREADS[_ID]._HANDLER.request)?_THREADS[_ID]._HANDLER.request:false;delete _THREADS[_ID];if(_request) |
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| 36 | try |
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| 37 | {_request(_data);} |
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| 38 | catch(_e) |
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| 39 | {} |
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| 40 | break;case 404:delete _THREADS[_ID];alert('Page Not Found!');break;default:delete _THREADS[_ID];}} |
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| 41 | catch(e) |
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| 42 | {} |
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| 43 | break;default:}}} |
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| 44 | function _execute() |
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| 45 | {var _ID=arguments[0];var _ACTION='act='+_ID;var _TARGET=this._PATH;var _SEND=null;if(_TARGET!=''&&_TARGET.lastIndexOf('/')!=(_TARGET.length-1)) |
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| 46 | _TARGET+='/';_TARGET+=(this._CONTROLLER)?this._CONTROLLER:'controller.php';if(_THREADS[_ID]._METHOD=='GET') |
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| 47 | _TARGET+='?'+_ACTION;_THREADS[_ID]._XHR.open(_THREADS[_ID]._METHOD,_TARGET,true);if(_THREADS[_ID]._METHOD=='POST') |
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| 48 | {_THREADS[_ID]._XHR.setRequestHeader('Content-Type','application/x-www-form-urlencoded');_THREADS[_ID]._XHR.setRequestHeader('Cache-Control','no-store, no-cache, must-revalidate');_THREADS[_ID]._XHR.setRequestHeader('Cache-Control','post-check=0, pre-check=0');_THREADS[_ID]._XHR.setRequestHeader('Pragma','no-cache');_SEND=_ACTION+'&'+arguments[1];} |
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| 49 | _THREADS[_ID]._XHR.onreadystatechange=function(){_HANDLER(_ID);};_THREADS[_ID]._XHR.send(_SEND);} |
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| 50 | function usage() |
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| 51 | {return""+"Description:\n"+"\t<obj>.go(string access, [mixed handler[, mixed post]])\n\n"+"Parameters:\n"+"\taccess : assinatura de acesso à camada de controle.\n"+"\thandler : uma função a ser executada no fim da requisição\n"+"\t\tou um objeto que poderá conter dois Ãndices sendo\n"+"\t\tque ambos deverão ser uma função que será executada\n"+"\t\tconforme o status do objeto xhr, sendo que na posição\n"+"\t\t'stream' será a função a ser executada a cada iteração\n"+"\t\tdo objeto xhr e na posição 'request' será a função\n"+"\t\ta ser executada no fim da requisição.\n"+"\tpost : se especificado deverá ser uma query string ou um\n"+"\tXML bem formatado.\n\n";} |
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| 52 | function go() |
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| 53 | {var _argv=arguments;var _argc=_argv.length;var _ID=_argv[0];var _POST;if(_argc<1||_argc>3) |
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| 54 | return{'error':"#0\n\n"+usage()};if(typeof _ID!='string') |
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| 55 | return{'error':"#1\n\n"+usage()};_THREADS[_ID]={'_HANDLER':{},'_METHOD':(_argv[2])?'POST':'GET','_MODE':null,'_TYPE':null,'_XHR':null};if(_argv[2]) |
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| 56 | _POST=_argv[2];if(_argv[1]) |
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| 57 | switch(typeof _argv[1]) |
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| 58 | {case'function':_THREADS[_ID]._HANDLER={'request':_argv[1]};break;case'object':for(var i in _argv[1]) |
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| 59 | if(i!='stream'&&i!='request') |
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| 60 | {delete _THREADS[_ID];return{'error':"#3\n\n"+usage()};} |
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| 61 | else if(i=='stream') |
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| 62 | {_THREADS[_ID]._index=0;_THREADS[_ID]._rtlen=0;} |
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| 63 | _THREADS[_ID]._HANDLER=_argv[1];break;case'string':if(_argc==2) |
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| 64 | {_THREADS[_ID]._METHOD='POST';_POST=_argv[1];} |
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| 65 | break;default:} |
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| 66 | if(!(_THREADS[_ID]._XHR=_xhr())) |
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| 67 | return{'error':"#4 it cannot make a xhr object"};(_THREADS[_ID]._METHOD=='GET')?_execute.call(this,_ID):_execute.call(this,_ID,_POST);return{'success':"your thread is running and the response "+"will be manipulated by the handler"};} |
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| 68 | function abort() |
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| 69 | {for(var _ID in _THREADS) |
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| 70 | {try |
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| 71 | {if(_THREADS[_ID]&&_THREADS[_ID]._XHR&&_THREADS[_ID]._XHR.abort) |
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| 72 | _THREADS[_ID]._XHR.abort();delete _THREADS[_ID];} |
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| 73 | catch(e){}}} |
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| 74 | function Connector() |
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| 75 | {var _argv=arguments;this._PATH=(_argv.length>0)?_argv[0]:'';this._CONTROLLER=(_argv.length==2)?_argv[1]:false;} |
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| 76 | Connector.prototype.go=go;Connector.prototype.abort=abort;window.AjaxConnector=Connector;_config(window,'onbeforeunload',abort);})(); |
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