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First working version of the AJAX translation client.

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This commit is contained in:
bjorn
2008-08-15 11:14:13 +00:00
parent 0ce04f1a6e
commit 08fae303df
4 changed files with 94 additions and 9 deletions
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4
src/server/MainFastCGI.hs
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@@ -42,8 +42,8 @@ cgiMain pgf =
mfrom <- getLang pgf "from" mfrom <- getLang pgf "from"
mto <- getLang pgf "to" mto <- getLang pgf "to"
outputJSON $ translate pgf input mcat mfrom mto outputJSON $ translate pgf input mcat mfrom mto
"/cats" -> outputJSON $ categories pgf "/categories" -> outputJSON $ categories pgf
"/langs" -> outputJSON $ languages pgf "/languages" -> outputJSON $ languages pgf
_ -> outputNotFound path _ -> outputNotFound path
getCat :: PGF -> String -> CGI (Maybe Category) getCat :: PGF -> String -> CGI (Maybe Category)

31
src/server/gf-client.html
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@@ -4,9 +4,36 @@
<head> <head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script type="text/javascript" src="gf-server-jsapi.js"></script> <script type="text/javascript" src="gf-server-jsapi.js"></script>
<script type="text/javascript" src="translator.js"></script>
<script type="text/javascript">
function updateTranslation () {
var input = document.getElementById('inputText').value;
var fromLang = document.getElementById('fromLang').value;
var toLang = document.getElementById('toLang').value;
var output = document.getElementById('output');
var callback = function(translation) {
removeChildren(output);
output.appendChild(formatTranslation(translation));
};
gf.translate(input, fromLang, toLang, '', callback);
}
function populateLangs (langs) {
var f = document.getElementById('fromLang');
var t = document.getElementById('toLang');
for (var i in langs) {
addOption(f, langs[i], langs[i]);
addOption(t, langs[i], langs[i]);
}
}
function initialize() {
gf.getLanguages(populateLangs);
}
</script>
<title>Web-based GF Translator</title> <title>Web-based GF Translator</title>
</head> </head>
<body> <body onload="initialize()">
<form id="translate"> <form id="translate">
<p> <p>
<input type="text" name="inputText" id="inputText" value="this cheese is warm" size="50" /> <input type="text" name="inputText" id="inputText" value="this cheese is warm" size="50" />
@@ -14,7 +41,7 @@
<p> <p>
From: <select name="fromLang" id="fromLang" onchange=""><option value="">Any language</option></select> From: <select name="fromLang" id="fromLang" onchange=""><option value="">Any language</option></select>
To: <select name="toLang" id="toLang"><option value="">All languages</option></select> To: <select name="toLang" id="toLang"><option value="">All languages</option></select>
<input type="button" value="Translate" onclick="translate(document.getElementById('inputText').value,document.getElementById('fromLang').value,document.getElementById('toLang').value,'');" /> <input type="button" value="Translate" onclick="updateTranslation();" />
</p> </p>
</form> </form>
<div id="output"></div> <div id="output"></div>

19
src/server/gf-server-jsapi.js
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@@ -1,8 +1,14 @@
function translate (input,from,to,cat) { var gf = new Object();
httpGetText("gf.fcgi/translate?input="+escape(input)+"&from="+escape(from)+"&to="+escape(to)+"&cat="+escape(cat), function (output) { alert(output); });
}
function httpGetText(url, callback) { gf.translate = function (input,from,to,cat,callback) {
gf.httpGetText("gf.fcgi/translate?input="+escape(input)+"&from="+escape(from)+"&to="+escape(to)+"&cat="+escape(cat), function (output) { callback(gf.readJSON(output)); });
};
gf.getLanguages = function (callback) {
gf.httpGetText("gf.fcgi/languages", function (output) { callback(gf.readJSON(output)); });
};
gf.httpGetText = function (url, callback) {
var XMLHttpRequestObject = false; var XMLHttpRequestObject = false;
if (window.XMLHttpRequest) { if (window.XMLHttpRequest) {
@@ -25,5 +31,8 @@ function httpGetText(url, callback) {
XMLHttpRequestObject.send(null); XMLHttpRequestObject.send(null);
} }
};
} gf.readJSON = function (text) {
return eval("("+text+")");
};

49
src/server/translator.js Normal file
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@@ -0,0 +1,49 @@
function formatTranslation (outputs) {
var dl1 = document.createElement("dl");
for (var fromLang in outputs) {
var ul = document.createElement("ul");
addDefinition(dl1, document.createTextNode(fromLang), ul);
for (var i in outputs[fromLang]) {
var dl2 = document.createElement("dl");
for (var toLang in outputs[fromLang][i]) {
addDefinition(dl2, document.createTextNode(toLang), document.createTextNode(outputs[fromLang][i][toLang]));
}
addItem(ul, dl2);
}
}
return dl1;
}
/* DOM utilities for specific tags */
function addDefinition (dl, t, d) {
var dt = document.createElement("dt");
dt.appendChild(t);
dl.appendChild(dt);
var dd = document.createElement("dd");
dd.appendChild(d);
dl.appendChild(dd);
}
function addItem (ul, i) {
var li = document.createElement("ul");
li.appendChild(i);
ul.appendChild(li);
}
function addOption (select, value, content) {
var option = document.createElement("option");
option.value = value;
option.appendChild(document.createTextNode(content));
select.appendChild(option);
}
/* General DOM utilities */
/* Removes all the children of a node */
function removeChildren(node) {
while (node.hasChildNodes()) {
node.removeChild(node.firstChild);
}
}