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| Rev | Author | Line No. | Line |
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| 53 | jmachado | 1 | /** |
| 2 | * |
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| 3 | * AJAX Functions |
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| 4 | * |
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| 5 | * This code is protected under GNU LGPL License |
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| 6 | * |
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| 7 | * @author Jorge Machado |
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| 8 | * @date April 2008 |
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| 9 | **/ |
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| 1 | fvelez | 10 | |
| 53 | jmachado | 11 | /** |
| 12 | * Starts XMLHTTP Ajax request |
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| 13 | * |
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| 14 | * @author Jorge Machado |
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| 15 | * @date April 2008 |
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| 16 | * |
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| 17 | * params: |
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| 18 | * @params HTTP GET Parameters for query string |
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| 19 | * @xmlHttpRequest request |
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| 20 | * @id target element |
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| 21 | * @stateChanged target function |
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| 22 | * @innerPhrase to put while waiting for response |
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| 23 | * @navjsp requested jsp |
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| 24 | */ |
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| 25 | function startRequest(xmlHttpRequest,params,id,stateChanged,innerPhrase,navjsp) |
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| 26 | { |
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| 27 | if(innerPhrase != '') |
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| 28 | getObjectById(id).innerHTML = innerPhrase; |
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| 29 | if (xmlHttpRequest==null) |
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| 30 | { |
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| 31 | alert ("Browser does not support HTTP Request"); |
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| 32 | return; |
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| 33 | } |
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| 34 | var url= navjsp; |
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| 35 | if(params != null && params.length > 0) |
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| 36 | { |
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| 37 | url=url+"?"+ params; |
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| 38 | url=url+"&sid="+Math.random(); |
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| 39 | } |
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| 40 | else |
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| 41 | { |
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| 42 | url=url+"?sid="+Math.random(); |
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| 43 | } |
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| 44 | xmlHttpRequest.onreadystatechange=stateChanged; |
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| 45 | xmlHttpRequest.open("GET",url,true); |
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| 46 | xmlHttpRequest.send(null); |
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| 47 | } |
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| 1 | fvelez | 48 | |
| 53 | jmachado | 49 | /** |
| 50 | * Return an HTML element given ID |
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| 51 | * |
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| 52 | * @author Jorge Machado |
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| 53 | * @date April 2008 |
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| 54 | * |
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| 55 | * params: |
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| 56 | * @objectId required object |
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| 57 | */ |
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| 58 | function getObjectById(objectId) |
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| 59 | { |
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| 60 | // cross-browser function to get an object's style object given its id |
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| 61 | try |
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| 62 | { |
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| 63 | if(document.getElementById && document.getElementById(objectId)) |
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| 1 | fvelez | 64 | { |
| 65 | // W3C DOM |
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| 53 | jmachado | 66 | return document.getElementById(objectId); |
| 67 | } |
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| 68 | else if (document.all(objectId)) |
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| 69 | { |
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| 1 | fvelez | 70 | // MSIE 4 DOM |
| 53 | jmachado | 71 | return document.all(objectId); |
| 72 | } |
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| 73 | else if (document.layers && document.layers[objectId]) |
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| 74 | { |
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| 1 | fvelez | 75 | // NN 4 DOM.. note: this won't find nested layers |
| 53 | jmachado | 76 | return document.layers[objectId]; |
| 1 | fvelez | 77 | } |
| 53 | jmachado | 78 | else |
| 1 | fvelez | 79 | { |
| 80 | return false; |
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| 81 | } |
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| 53 | jmachado | 82 | } |
| 83 | catch(e) |
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| 84 | { |
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| 85 | return false; |
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| 86 | } |
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| 1 | fvelez | 87 | } |
| 88 | |||
| 92 | jmachado | 89 | function hide(id,showId) |
| 90 | { |
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| 91 | getObjectById(id).style.visibility='hidden'; |
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| 92 | getObjectById(id).style.position='absolute'; |
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| 93 | getObjectById(showId).style.visibility='visible'; |
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| 94 | getObjectById(showId).style.position='relative'; |
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| 95 | } |
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| 96 | function show(id,hideId) |
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| 97 | { |
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| 98 | getObjectById(id).style.visibility='visible'; |
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| 99 | getObjectById(id).style.position='relative'; |
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| 100 | getObjectById(hideId).style.visibility='hidden'; |
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| 101 | getObjectById(hideId).style.position='absolute'; |
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| 102 | |||
| 103 | } |
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| 104 | |||
| 1 | fvelez | 105 | /** |
| 53 | jmachado | 106 | * Creates a new XmlHttpObject |
| 107 | * @author Jorge Machado |
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| 108 | * @date April 2008 |
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| 1 | fvelez | 109 | * |
| 53 | jmachado | 110 | * params: |
| 111 | * @handler target xmlHttpObject function |
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| 1 | fvelez | 112 | */ |
| 53 | jmachado | 113 | function GetXmlHttpObject(handler) |
| 1 | fvelez | 114 | { |
| 53 | jmachado | 115 | var objXmlHttp = null; |
| 116 | if (navigator.userAgent.indexOf("Opera")>=0) |
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| 117 | { |
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| 118 | alert("This example doesn't work in Opera") ; |
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| 119 | return objXmlHttp; |
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| 120 | } |
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| 121 | if (navigator.userAgent.indexOf("MSIE")>=0) |
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| 122 | { |
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| 123 | var strName="Msxml2.XMLHTTP"; |
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| 124 | if (navigator.appVersion.indexOf("MSIE 5.5")>=0) |
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| 1 | fvelez | 125 | { |
| 53 | jmachado | 126 | strName="Microsoft.XMLHTTP"; |
| 1 | fvelez | 127 | } |
| 53 | jmachado | 128 | try |
| 129 | { |
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| 130 | objXmlHttp=new ActiveXObject(strName); |
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| 131 | objXmlHttp.onreadystatechange=handler ; |
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| 132 | return objXmlHttp; |
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| 133 | } |
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| 134 | catch(e) |
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| 135 | { |
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| 136 | alert("Error. Scripting for ActiveX might be disabled") ; |
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| 137 | return objXmlHttp; |
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| 138 | } |
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| 139 | } |
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| 140 | if (navigator.userAgent.indexOf("Mozilla")>=0) |
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| 141 | { |
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| 142 | objXmlHttp=new XMLHttpRequest(); |
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| 143 | objXmlHttp.onload=handler; |
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| 144 | objXmlHttp.onerror=handler; |
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| 145 | return objXmlHttp; |
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| 146 | } |
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| 1 | fvelez | 147 | } |
| 148 | |||
| 53 | jmachado | 149 | /*************************************************** |
| 150 | TopFlashNews |
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| 151 | ***************************************************/ |
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| 152 | var xmlHttpTopFlashNews; |
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| 153 | var getFlashNewsTimeout; |
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| 154 | var getFlashNewsJsp; |
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| 1 | fvelez | 155 | |
| 53 | jmachado | 156 | function getFlashNews(jsp,timeout) |
| 48 | fvelez | 157 | { |
| 53 | jmachado | 158 | getFlashNewsJsp = jsp; |
| 159 | getFlashNewsTimeout = timeout; |
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| 160 | getFlashNewsTimeoutCall(); |
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| 48 | fvelez | 161 | } |
| 53 | jmachado | 162 | function getFlashNewsTimeoutCall() |
| 48 | fvelez | 163 | { |
| 53 | jmachado | 164 | xmlHttpTopFlashNews=GetXmlHttpObject(stateChangedGetFlashNews); |
| 165 | startRequest(xmlHttpTopFlashNews,"","flashTopNews",stateChangedGetFlashNews,"",getFlashNewsJsp) |
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| 48 | fvelez | 166 | } |
| 167 | function stateChangedGetFlashNews() |
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| 168 | { |
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| 53 | jmachado | 169 | if (xmlHttpTopFlashNews.readyState==4 || xmlHttpTopFlashNews.readyState=="complete") |
| 170 | { |
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| 171 | getObjectById("flashTopNews").innerHTML=xmlHttpTopFlashNews.responseText; |
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| 172 | setTimeout(getFlashNewsTimeoutCall,getFlashNewsTimeout); |
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| 173 | } |
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| 48 | fvelez | 174 | } |
| 1 | fvelez | 175 | |
| 176 | |||
| 92 | jmachado | 177 | /*************************************************** |
| 178 | Search |
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| 179 | ***************************************************/ |
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| 180 | var xmlHttpSearch; |
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| 181 | var searchResultsDiv; |
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| 1 | fvelez | 182 | |
| 92 | jmachado | 183 | function searchCall(div,query,searchType,page,module,action) |
| 184 | { |
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| 185 | searchResultsDiv = div; |
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| 186 | xmlHttpSearch=GetXmlHttpObject(stateChangedSearchCall); |
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| 187 | startRequest(xmlHttpSearch,"dispatch=searchModule&query=" + query + "&searchType=" + searchType + "&page=" + page + "&module=" + module,"",stateChangedSearchCall,"",action); |
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| 188 | } |
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| 189 | function stateChangedSearchCall() |
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| 190 | { |
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| 191 | if (xmlHttpSearch.readyState==4 || xmlHttpSearch.readyState=="complete") |
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| 192 | { |
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| 193 | getObjectById(searchResultsDiv).innerHTML=xmlHttpSearch.responseText; |
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| 194 | } |
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| 195 | } |
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| 1 | fvelez | 196 | |
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