forked from GitHub/gf-core
302 lines
9.0 KiB
JavaScript
302 lines
9.0 KiB
JavaScript
/* --- Translations object -------------------------------------------------- */
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var tree_icon="../minibar/tree-btn.png";
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var alignment_icon="../minibar/align-btn.png";
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function Translations(server,opts) {
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this.server=server;
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// Default values for options:
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this.options={
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show_abstract: false,
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abstract_action: null, // action when selecting the abstracy syntax tree
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show_trees: false, // add buttons to show abstract syntax trees,
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// parse trees & word alignment
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tree_img_format: "png", // format for trees & alignment images,
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// can be "gif", "png" or "svg"
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show_grouped_translations: true,
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show_brackets: false, // show bracketed string
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translate_limit: 25 // maximum number of parse trees to retrieve
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}
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// Apply supplied options
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if(opts) for(var o in opts) this.options[o]=opts[o];
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this.main=empty("div");
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this.menus=empty("span");
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var tom=this.to_menu=node("select",{id:"to_menu",multiple:"",size:5},[]);
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appendChildren(this.menus,[text(" To: "), this.to_menu])
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tom.onchange=bind(this.change_language,this);
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var o=this.options
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if(o.initial_grammar && o.initial_toLangs) {
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var local=mt_local(o.initial_grammar);
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local.put("toLangs",o.initial_toLangs)
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}
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/* // This seems triggers weird scrolling behavior in Firefox and Chrome:
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tom.onmouseover=function() { var n=tom.options.length;
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tom.size=n<12 ? n : 12; }
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tom.onmouseout=function() { var n=tom.options.length;
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tom.size=n<4 ? n : 4; }
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*/
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}
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Translations.prototype.change_grammar=function(grammar) {
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var t=this
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t.grammar=grammar;
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t.local=mt_local(t.server.current_grammar_url)
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update_language_menu(t.to_menu,grammar);
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insertFirst(t.to_menu,option("All","All"));
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t.to_menu.value="All";
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var toLangs=t.local.get("toLangs")
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if(toLangs) {
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t.toLangs=toLangs
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t.toSet=toSet(toLangs)
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var os=to_menu.options
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for(var i=0;i<os.length;i++)
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os[i].selected=t.toSet[os[i].value] || false
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}
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else {
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t.toLangs=["All"]
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t.toSet={"All":true}
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}
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}
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Translations.prototype.clear=function() {
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this.main.innerHTML="";
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}
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Translations.prototype.change_language=function() {
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var toLangs=[]
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var os=to_menu.options;
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for(var i=0;i<os.length;i++)
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if(os[i].selected) {
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toLangs.push(os[i].value)
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toSet[os[i].value]=true;
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}
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this.toLangs=toLangs
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this.toSet=toSet(toLangs)
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this.local.put("toLangs",toLangs)
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this.get_translations();
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}
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Translations.prototype.translateFrom=function(current,startcat,lin_action) {
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this.current=current;
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this.startcat=startcat;
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this.lin_action=lin_action;
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this.get_translations();
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}
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Translations.prototype.get_translations=function() {
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with(this) {
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var c=current;
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var args={from:c.from,input:gf_unlex(c.input),cat:startcat}
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if(options.translate_limit) args.limit=options.translate_limit
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if(options.show_grouped_translations)
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server.translategroup(args,bind(show_groupedtranslations,this));
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else
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server.translate(args,bind(show_translations,this));
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}
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}
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Translations.prototype.target_lang=function() {
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with(this) return langpart(to_menu.value,grammar.name);
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}
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Translations.prototype.show_translations=function(translationResults) {
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var self=this;
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function tdt(tree_btn,s,action) {
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var txt=text(s);
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if(action) {
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txt=wrap("span",[txt])
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txt.onclick=action
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//txt=button(s,action)
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}
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return self.options.show_trees ? td([tree_btn,text(" "),txt]) : td(txt)
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}
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function act(lin) {
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return self.lin_action ? function() { self.lin_action(lin) } : null
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}
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function show_lin(tree_btn,lin,tree) {
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function draw_table(lintable) {
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function draw_texts(texts) {
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return texts.map(function(s) { return wrap("div",text(s)) })
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}
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function draw_row(row) {
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return tr([td(text(row.params)),td(draw_texts(row.texts))])
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}
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return wrap_class("table","lintable",lintable.map(draw_row))
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}
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function get_tabular() {
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var t=this
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var pa=this.parentNode
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function show_table(lins) {
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if(lins.length==1) {
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var ta=draw_table(lins[0].table)
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replaceNode(ta,t)
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ta.onclick=function() { replaceNode(t,ta) }
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t.onclick=function() { replaceNode(ta,t) }
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}
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}
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self.server.pgf_call("linearizeTable",{"tree":tree,"to":lin.to},
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show_table)
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}
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return tdt(tree_btn,lin.text,get_tabular)
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}
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with(self) {
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var trans=main;
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//var to=target_lang(); // wrong
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var to=to_menu.value;
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var toLangs=self.toLangs
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var toSet=self.toSet
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var cnt=translationResults.length; // cnt==1 usually
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//trans.translations=translations;
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trans.single_translation=[];
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trans.innerHTML="";
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/*
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trans.appendChild(wrap("h3",text(cnt<1 ? "No translations?" :
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cnt>1 ? ""+cnt+" translations:":
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"One translation:")));
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*/
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for(var p=0;p<cnt;p++) {
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var tra=translationResults[p];
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var bra=tra.brackets;
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if (tra.translations != null) {
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for (q = 0; q < tra.translations.length; q++) {
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var t = tra.translations[q];
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var lin=t.linearizations;
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var tbody=empty("tbody");
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if(options.show_abstract && t.tree) {
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function abs_act() {
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self.options.abstract_action(t.tree)
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}
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var abs_hdr = options.abstract_action
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? title("Edit the syntax tree",
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button("Abstract",abs_act))
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: text("Abstract: ")
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tbody.appendChild(
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tr([th(abs_hdr),
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tdt(node("span",{},
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[abstree_button(t.tree),
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alignment_button(t.tree,to=="All",toLangs)]),
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t.tree)]));
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}
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for(var i=0;i<lin.length;i++) {
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if(lin[i].to==to && toLangs.length==1)
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trans.single_translation.push(lin[i].text);
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if(lin[i].to==current.from && lin[i].brackets)
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bra=lin[i].brackets;
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if(to=="All" || toSet[lin[i].to]) {
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var langcode=langpart(lin[i].to,grammar.name)
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//var hdr=text(langcode+": ")
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var hdr=title("Switch input language to "+langcode,
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button(langcode,act(lin[i])))
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//hdr.disabled=lin[i].to==current.from
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var btn=parsetree_button(t.tree,lin[i].to)
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tbody.appendChild(
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tr([th(hdr),show_lin(btn,lin[i],t.tree)]));
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}
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}
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trans.appendChild(wrap("table",tbody));
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}
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}
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else if(tra.typeErrors) {
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var errs=tra.typeErrors;
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for(var i=0;i<errs.length;i++)
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trans.appendChild(wrap("pre",text(errs[i].msg)))
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}
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if(options.show_brackets)
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trans.appendChild(div_class("brackets",draw_brackets(bra)));
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}
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}
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}
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Translations.prototype.show_groupedtranslations=function(translationsResult) {
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with(this) {
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var trans=main;
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var to=target_lang();
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//var to=to_menu.value // wrong
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var cnt=translationsResult.length;
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//trans.translations=translationsResult;
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trans.single_translation=[];
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trans.innerHTML="";
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for(var p=0;p<cnt;p++) {
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var t=translationsResult[p];
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if(to=="All" || t.to==to) {
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var lin=t.linearizations;
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var tbody=empty("tbody");
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if(to=="All") tbody.appendChild(tr([th(text(t.to+":"))]));
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for(var i=0;i<lin.length;i++) {
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if(to!="All") trans.single_translation[i]=lin[i].text;
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tbody.appendChild(tr([td(text(lin[i].text))]));
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if (lin.length > 1) tbody.appendChild(tr([td(text(lin[i].tree))]));
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}
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trans.appendChild(wrap("table",tbody));
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}
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}
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}
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}
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Translations.prototype.abstree_button=function(abs) {
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var f=this.options.tree_img_format;
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var img=this.server.current_grammar_url+"?command=abstrtree&format="+f+"&tree="+encodeURIComponent(abs)
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var btn=tree_button(img,"&nocat=true");
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btn.title="Click to display abstract syntax tree"
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return btn
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}
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Translations.prototype.alignment_button=function(abs,all,toLangs) {
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var f=this.options.tree_img_format;
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var i=button_img(alignment_icon,function(){toggle_img(i)});
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var to= all ? "" : "&to="+encodeURIComponent(toLangs.join(" "))
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i.title="Click to display word alignment"
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i.other=this.server.current_grammar_url+"?command=alignment&format="+f+"&tree="+encodeURIComponent(abs)+to;
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return i;
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}
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Translations.prototype.parsetree_button=function(abs,lang) {
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var f=this.options.tree_img_format;
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var img=this.server.current_grammar_url
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+"?command=parsetree&format="+f+"&nodefont=arial"
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+"&from="+lang+"&tree="+encodeURIComponent(abs);
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var btn=tree_button(img)
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btn.title="Click to display parse tree. Click again to show function names."
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return btn;
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}
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/* --- Auxiliary functions -------------------------------------------------- */
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function mt_local(grammar_url) {
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return appLocalStorage("gf.minibar_translations."+grammar_url+".")
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}
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function tree_button(img_url,opt) {
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var imgs=[tree_icon,img_url+(opt||"&nofun=true"),img_url]
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var current=0;
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function cycle() {
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current++;
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if(current>=imgs.length) current=0;
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i.src=imgs[current]
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}
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var i=button_img(tree_icon,cycle);
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return i
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}
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function draw_brackets(b) {
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return b.token
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? span_class("token",text(b.token))
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: node("span",{"class":"brackets",
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title:(b.fun||"_")+":"+b.cat+" "+b.fid+":"+b.index},
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b.children.map(draw_brackets))
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}
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// Convert an array of strings to a set (for quick & easy membership tests)
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function toSet(a) {
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var set={}
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for(var i=0;i<a.length;i++) set[a[i]]=true
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return set
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}
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