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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