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/* --- Translations object -------------------------------------------------- */
var tree_icon="../minibar/tree-btn.png";
var alignment_icon="../minibar/align-btn.png";
function Translations(server,opts) {
this.server=server;
// Default values for options:
this.options={
show_abstract: false,
show_trees: false, // add buttons to show abstract syntax trees,
// parse trees & word alignment
tree_img_format: "png", // format for trees & alignment images,
// can be "gif", "png" or "svg"
show_grouped_translations: true,
show_brackets: false // show bracketed string
}
// Apply supplied options
if(opts) for(var o in opts) this.options[o]=opts[o];
this.main=empty("div");
this.menus=empty("span");
this.to_menu=empty_id("select","to_menu");
appendChildren(this.menus,[text(" To: "), this.to_menu])
this.to_menu.onchange=bind(this.get_translations,this);
}
Translations.prototype.change_grammar=function(grammar) {
this.grammar=grammar;
update_language_menu(this.to_menu,grammar);
insertFirst(this.to_menu,option("All","All"));
this.to_menu.value="All";
}
Translations.prototype.clear=function() {
this.main.innerHTML="";
}
Translations.prototype.translateFrom=function(current,startcat,lin_action) {
this.current=current;
this.startcat=startcat;
this.lin_action=lin_action;
this.get_translations();
}
Translations.prototype.get_translations=function() {
with(this) {
var c=current;
var args={from:c.from,input:gf_unlex(c.input),cat:startcat}
if(options.show_grouped_translations)
server.translategroup(args,bind(show_groupedtranslations,this));
else
server.translate(args,bind(show_translations,this));
}
}
Translations.prototype.target_lang=function() {
with(this) return langpart(to_menu.value,grammar.name);
}
Translations.prototype.show_translations=function(translationResults) {
var self=this;
function tdt(tree_btn,s,action) {
var txt=text(s);
if(action) {
txt=node("span",{onclick:action},[txt])
//txt=button(s,action)
}
return self.options.show_trees ? tda([tree_btn,text(" "),txt]) : td(txt)
}
function act(lin) {
return self.lin_action ? function() { self.lin_action(lin) } : null
}
with(self) {
var trans=main;
//var to=target_lang(); // wrong
var to=to_menu.value;
var cnt=translationResults.length; // cnt==1 usually
//trans.translations=translations;
trans.single_translation=[];
trans.innerHTML="";
/*
trans.appendChild(wrap("h3",text(cnt<1 ? "No translations?" :
cnt>1 ? ""+cnt+" translations:":
"One translation:")));
*/
for(var p=0;p<cnt;p++) {
var tra=translationResults[p];
var bra=tra.brackets;
if (tra.translations != null) {
for (q = 0; q < tra.translations.length; q++) {
var t = tra.translations[q];
var lin=t.linearizations;
var tbody=empty("tbody");
if(options.show_abstract && t.tree)
tbody.appendChild(
tr([th(text("Abstract: ")),
tdt(node("span",{},[abstree_button(t.tree),
alignment_button(t.tree)]),
t.tree)]));
for(var i=0;i<lin.length;i++) {
if(lin[i].to==to)
trans.single_translation.push(lin[i].text);
if(lin[i].to==current.from && lin[i].brackets)
bra=lin[i].brackets;
if(to=="All" || lin[i].to==to) {
var langcode=langpart(lin[i].to,grammar.name)
//var hdr=text(langcode+": ")
var hdr=button(langcode,act(lin[i]))
//hdr.disabled=lin[i].to==current.from
var btn=parsetree_button(t.tree,lin[i].to)
tbody.appendChild(tr([th(hdr),
tdt(btn,lin[i].text)]));
}
}
trans.appendChild(wrap("table",tbody));
}
}
else if(tra.typeErrors) {
var errs=tra.typeErrors;
for(var i=0;i<errs.length;i++)
trans.appendChild(wrap("pre",text(errs[i].msg)))
}
if(options.show_brackets)
trans.appendChild(div_class("brackets",draw_brackets(bra)));
}
}
}
Translations.prototype.show_groupedtranslations=function(translationsResult) {
with(this) {
var trans=main;
var to=target_lang();
//var to=to_menu.value // wrong
var cnt=translationsResult.length;
//trans.translations=translationsResult;
trans.single_translation=[];
trans.innerHTML="";
for(var p=0;p<cnt;p++) {
var t=translationsResult[p];
if(to=="All" || t.to==to) {
var lin=t.linearizations;
var tbody=empty("tbody");
if(to=="All") tbody.appendChild(tr([th(text(t.to+":"))]));
for(var i=0;i<lin.length;i++) {
if(to!="All") trans.single_translation[i]=lin[i].text;
tbody.appendChild(tr([td(text(lin[i].text))]));
if (lin.length > 1) tbody.appendChild(tr([td(text(lin[i].tree))]));
}
trans.appendChild(wrap("table",tbody));
}
}
}
}
Translations.prototype.abstree_button=function(abs) {
var f=this.options.tree_img_format;
var i=button_img(tree_icon,"toggle_img(this)");
i.title="Click to display abstract syntax tree"
i.other=this.server.current_grammar_url+"?command=abstrtree&format="+f+"&tree="+encodeURIComponent(abs);
return i;
}
Translations.prototype.alignment_button=function(abs) {
var f=this.options.tree_img_format;
var i=button_img(alignment_icon,"toggle_img(this)");
i.title="Click to display word alignment"
i.other=this.server.current_grammar_url+"?command=alignment&format="+f+"&tree="+encodeURIComponent(abs);
return i;
}
Translations.prototype.parsetree_button=function(abs,lang) {
var f=this.options.tree_img_format;
var i=button_img(tree_icon,"toggle_img(this)");
i.title="Click to display parse tree"
i.other=this.server.current_grammar_url
+"?command=parsetree&format="+f+"&from="+lang+"&tree="+encodeURIComponent(abs);
return i;
}
function draw_brackets(b) {
return b.token
? span_class("token",text(b.token))
: node("span",{"class":"brackets",
title:(b.fun||"_")+":"+b.cat+" "+b.fid+":"+b.index},
b.children.map(draw_brackets))
}
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