Simple Translator: initial support for translation with the GF robust parser

3 files changed, 50 insertions, 3 deletions

diff --git a/src/www/translator/about.html b/src/www/translator/about.html
index 0d790285b..5a45582ea 100644
--- a/src/www/translator/about.html
+++ b/src/www/translator/about.html
@@ -31,6 +31,8 @@ The tool supports two machine translation services:
   <li>The <a href="http://www.grammaticalframework.org/">GF</a> web service.
   The user picks which GF grammar to use from a menu of available grammars.
   <li>The <a href="http://www.apertium.org/">Apertium</a> web service.
+  <li>The GF Robust Parser. This is an exprimental service that supports
+      translation from English to a few other languages.
 </ul>
 
 <p>If an unsatisfactory automatic translation is
@@ -65,7 +67,7 @@ closed and reopened later. Documents can be saved locally or in the cloud.
 
 <hr>
 <div class=modtime><small>
-<!-- hhmts start -->Last modified: Wed Oct  3 16:26:13 CEST 2012 <!-- hhmts end -->
+<!-- hhmts start -->Last modified: Fri Apr  5 15:24:59 CEST 2013 <!-- hhmts end -->
   </small></div>
 <address>
 <a href="http://www.cse.chalmers.se/~hallgren/">TH</a>
diff --git a/src/www/translator/index.html b/src/www/translator/index.html
index 7dc696352..7f61c3c67 100644
--- a/src/www/translator/index.html
+++ b/src/www/translator/index.html
@@ -60,6 +60,7 @@
 	    <tr><td><span onclick="">Default translation method</span>
 	      <dl id=methods>
 		<dt><label><input name=method value=Manual type=radio onchange="translator.change(this)">Manual</label>
+		<dt><label><input name=method value=GFRobust type=radio onchange="translator.change(this)">GF Robust Parser</label>
 	      </dl>
 	  </table>
 	<dt><label><input name=cloud type=checkbox onchange="translator.change(this)"> Save in the cloud</label>
@@ -76,7 +77,7 @@
 </div>
 <hr>
 <div class=modtime><small>HMTL
-<!-- hhmts start -->Last modified: Wed Apr  3 20:29:44 CEST 2013 <!-- hhmts end -->
+<!-- hhmts start -->Last modified: Fri Apr  5 15:09:28 CEST 2013 <!-- hhmts end -->
 </small></div>
 <a href="about.html">About</a>
 
diff --git a/src/www/translator/translator.js b/src/www/translator/translator.js
index 2d9a278a1..88231f011 100644
--- a/src/www/translator/translator.js
+++ b/src/www/translator/translator.js
@@ -117,6 +117,9 @@ Translator.prototype.update_language_menus=function() {
     case "Manual":
 	mark_menus(yes,yes)
 	break;
+    case "GFRobust":
+	mark_menus(gfrobust_ssupport,gfrobust_tsupport)
+	break;
     case "Apertium":
 	function ssupport(code) {
 	    return apertium.isTranslatable(alangcode(code))
@@ -136,6 +139,10 @@ Translator.prototype.update_language_menus=function() {
     }
 }
 
+function gfrobust_ssupport(code) { return code=="Eng" }
+var gfrobust_targets=toSet(["Eng","Ger","Fin","Bul","Hin"]) // !!! Get list from server
+function gfrobust_tsupport(code) { return gfrobust_targets[code] }
+
 Translator.prototype.gf_supported=function(grammar,langcode) {
     var t=this;
     var concname=t.grammar_info[grammar].name+langcode
@@ -198,6 +205,42 @@ Translator.prototype.update_translation=function(i) {
 	else
 	    upd3(["[Apertium does not support "+show_translation(o)+"]"])
     }
+    function update_gfrobust_translation() {
+	function upd3(txts) { update_segment("GFRobust",txts) }
+	function upd2(ts) {
+	    switch(ts.length) {
+	    case 0: upd3(["[no translation]"]);break;
+	    default: upd3([ts]); break;
+	    }
+	}
+	function upd1(translate_output) {
+	    //console.log(translate_output)
+	    upd2(translate_output)
+	}
+	function upd0(source) {
+	    var url="http://www.grammaticalframework.org:41296/robust-parser.cgi"
+	    http_get_json(url+"?sentence="+encodeURIComponent(source)+"&to=Parse"+o.to,upd1)
+	}
+	var fls=gfrobust_ssupport(o.from)
+	var tls=gfrobust_tsupport(o.to)
+	if(fls && tls) {
+	    var want={from:o.from, to:o.to, method:"GFRobust"}
+	    if(!eq_options(segment.options,want)) {
+		//console.log("Updating "+i)
+		//lextext(segment.source,upd0)
+		upd0(segment.source)
+	    }
+	    //else console.log("No update ",want,segment.options)
+	}
+	else {
+	    var fn=" from "+concname(o.from)
+	    var tn=" to "+concname(o.to)
+	    var msg="The GF robust translation service: not supported:"
+	    if(!fls) msg+=fn+(tls ? "." : ", ")
+	    if(!tls) msg+=tn+"."
+	    upd3(["["+msg+"]"])
+	}
+    }
 
     function update_gf_translation(grammar,gfrom,gto) {
 	var server=t.servers[grammar]
@@ -243,6 +286,7 @@ Translator.prototype.update_translation=function(i) {
     switch(m) {
     case "Manual":  /* Nothing to do */ break;
     case "Apertium": update_apertium_translation(); break;
+    case "GFRobust": update_gfrobust_translation(); break;
     default: // GF
 	function upd00(grammar_info) {
 	    var gname=grammar_info.name
@@ -808,7 +852,7 @@ type Segment = { source:String, target:String, options:Options }
 type DocOptions = Options & { view:View, cloud:Bool }
 type Options = {from: Lang, to: Lang, method:Method}
 type Lang = String // Eng, Swe, Ita, etc
-type Method = "Manual" | "Apertium" | GFGrammarName
+type Method = "Manual" | "Apertium" | "GFRobust" | GFGrammarName
 type View = "segmentbysegment" | "paralleltexts"
 type GFGrammarName = String // e.g. "Foods.pgf"