Files
gf-core/src/www/js/wc.js
hallgren a229c539e9 Wide coverage demo web app: add speech synthesis
Works in Safari and Chrome.
2014-03-17 15:59:43 +00:00

109 lines
2.6 KiB
JavaScript

var wc={}
wc.f=document.forms[0]
wc.e=element("extra")
wc.p=element("pick")
wc.translate=function() {
var f=wc.f, e=wc.e, p=wc.p
f.translate.disabled=true
f.output.value=""
wc.r=[]
wc.current=0
clear(e)
clear(p)
function show_error(msg) {
if(e) e.innerHTML=msg
else f.output.value="["+msg+"]"
}
function show_pick(i) { return function() { show_trans(i); return false; } }
function show_picks() {
clear(p)
for(var i=0;i<wc.r.length;i++) {
p.appendChild(text(" "))
var pick=text(i+1) // +"⃝"
if(i!=wc.current) {
var pick=node("a",{href:"#"},[pick])
pick.onclick=pick.onmouseover=show_pick(i)
}
p.appendChild(span_class("pick",pick))
}
p.appendChild(wrap_class("small","pick",
node("a",{href:wc.google_translate_url(),
target:"google_translate"},
[text("Google Translate")])))
}
function show_trans(i) {
var r=wc.r[i]
f.output.value=r.text
if(e) e.innerHTML=r.prob+"<br>"+r.tree
wc.current=i
if(wc.p /*&& wc.r.length>1*/) show_picks()
if(f.speak.checked) wc.speak(r.text,f.to.value)
}
function trans(text,i) {
function showit(result) {
wc.r[i].text=result
if(wc.current==i) show_trans(i)
else show_picks()
f.translate.disabled=false
if(wc.p && i<9) trans(text,i+1)
}
function step3(trans) {
if(trans.length>=1) {
if(trans[0].error) show_error(trans[0].error)
else {
var r=wc.r[i]=trans[0]
if(e && wc.current==i) e.innerHTML=r.prob+"<br>"+r.tree
unlextext(r.linearizations[0].text,showit)
}
}
else if(i==0) show_error("Unable to translate")
}
gftranslate.translate(text,f.from.value,f.to.value,i,1,step3)
}
function step2(text) { trans(text,0) }
lextext(f.input.value,step2)
return false;
}
wc.speak=function(text,lang) {
if(wc.speech) {
var u=new SpeechSynthesisUtterance(text)
u.lang=add_country(alangcode(lang))
speechSynthesis.cancel()
speechSynthesis.speak(u)
}
}
wc.swap=function() {
var f=wc.f
f.input.value=f.output.value;
var from=f.from.value
f.from.value=f.to.value
f.to.value=from
wc.translate()
}
wc.google_translate_url=function() {
return "http://translate.google.com/"
+"#"+alangcode(wc.f.from.value)
+"/"+alangcode(wc.f.to.value)
+"/"+encodeURIComponent(wc.f.input.value)
}
/*
wc.try_google=function() {
var w=window.open(wc.google_translate_url(),
"google_translate")
w.focus()
}
*/
function init_speech() {
wc.speech=window.speechSynthesis && window.speechSynthesis.getVoices().length>0
if(wc.speech) element("speak").style.display="inline"
}
init_speech()
setTimeout(init_speech,500) // A hack for Chrome.