forked from GitHub/gf-core
289 lines
7.1 KiB
JavaScript
289 lines
7.1 KiB
JavaScript
var wc={}
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wc.cnl="Phrasebook" // try this controlled natural language first
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wc.f=document.forms[0]
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wc.o=element("output")
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wc.e=element("extra")
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wc.p=element("pick")
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wc.serial=0
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wc.os=[] // output segment list
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wc.local=appLocalStorage("gf.wc.")
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wc.delayed_translate=function() {
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function restart(){ if(wc.f.input.value!=wc.translating) wc.translate() }
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if(wc.timer) clearTimeout(wc.timer);
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wc.timer=setTimeout(restart,500)
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var h=wc.f.input.scrollHeight,bh=document.body.clientHeight
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if(h>bh) h=bh
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if(wc.f.input.clientHeight<h) wc.f.input.style.height=h+15+"px"
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}
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wc.clear=function() {
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wc.f.input.value=""
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wc.f.input.style.height=""
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clear(wc.o)
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wc.delayed_translate()
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}
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wc.save=function() {
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var f=wc.f
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wc.local.put("from",f.from.value)
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wc.local.put("to",f.to.value)
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wc.local.put("input",f.input.value)
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wc.local.put("colors",f.colors.checked)
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}
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wc.load=function() {
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var f=wc.f
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f.input.value=wc.local.get("input",f.input.value)
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f.from.value=wc.local.get("from",f.from.value)
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f.to.value=wc.local.get("to",f.to.value)
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f.colors.checked=wc.local.get("colors",f.colors.checked)
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wc.colors()
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wc.delayed_translate()
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}
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wc.translate=function() {
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var current= ++wc.serial
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var f=wc.f, e=wc.e, p=wc.p
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var selected= -1
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/*
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function disable(yes) {
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f.translate.disabled=yes
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f.to.disabled=yes
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if(f.swap) f.swap.disabled=yes
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}
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*/
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function split_punct(s) {
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return s.split(/([.!?]+[ \t\n]+|\n\n+|[ \t\n]*[-•*+#]+[ \t\n]+)/)
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}
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function translate_segment(si) { // si = segment index
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var rs=[] // list of alternative translations for this segment
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var current_pick=0 // index of currently selected alternative
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var get_more // if defined, a function that will fetch more alternatives
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var output=wc.os[si].target // the element where this segment is shown
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function show_error(msg) {
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//if(e) e.innerHTML="<span class=low_quality>Translation problem: "+msg+"</span>"
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//else
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{
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replaceChildren(output,text("["+msg+"]"))
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output.className="error"
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}
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//disable(false)
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}
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function show_pick(i) { return function() { show_trans(i); return false; } }
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function show_picks() {
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clear(p)
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for(var i=0;i<rs.length;i++) {
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p.appendChild(text(" "))
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var pick=text(i+1) // +"⃝"
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if(i!=current_pick) {
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var pick=node("a",{href:"#"},[pick])
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pick.onclick=pick.onmouseover=show_pick(i)
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}
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var q=rs[i].t.quality
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p.appendChild(span_class("pick "+q,pick))
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}
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/*
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p.appendChild(wrap_class("small","pick",
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node("a",{href:wc.google_translate_url(),
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target:"google_translate"},
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[text("Google Translate")])))
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*/
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}
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function show_more() {
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selected=si
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var r=rs[current_pick]
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if(e) e.innerHTML=(r.prob||"")+"<br>"+r.tree
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if(wc.p /*&& rs.length>1*/) show_picks()
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//if(f.speak.checked) wc.speak(t.text,f.to.value)
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if(get_more) {
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var f=get_more
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get_more=null
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f()
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}
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}
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output.onclick=show_more
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function show_trans(i) {
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var r=rs[i]
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replaceChildren(output,text(r.text))
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wc.os[si].text=r.text
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output.className=r.t.quality
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current_pick=i
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if(selected==si) show_more()
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}
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function showit(r) {
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r.t=trans_quality(r)
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//r.t.text=r.t.text.trimRight()
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r.text=r.t.text
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rs.push(r)
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var j=rs.length-1
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if(current_pick==j) show_trans(j)
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else if(selected==si) show_picks()
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//disable(false)
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}
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function trans(text,i,count) {
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function step3(tra) {
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if(wc.serial==current) {
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if(tra.length>=1) {
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var r=tra[0]
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if(r.error!=undefined) {
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if(i==0 && rs.length==0) show_error(tra[0].error)
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}
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else {
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for(var ti=0;ti<tra.length;ti++) {
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var r=tra[ti]
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if(r.linearizations) showit(r)
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//else show_error("no linearizations")
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}
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/*
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if(wc.p && i==0 && count==1) {
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if(si==selected) trans(text,1,9)
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else get_more=function() { trans(text,1,9) }
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}
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*/
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}
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}
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else if(i==0 && rs.length==0)
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show_error("Unable to translate")
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}
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}
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gftranslate.translate(text,f.from.value,f.to.value,i,count,step3)
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}
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function step2(text) { trans(text,0,10) }
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function step2cnl(text) {
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function step3cnl(results) {
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var trans=results[0].translations
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if(trans && trans.length>=1) {
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var r=trans[0]
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r.prob=0
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showit(r)
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}
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step2(text)
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}
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wc.pgf_online.translate({from:wc.cnl+f.from.value,
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to:wc.cnl+f.to.value,
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lexer:"text",unlexer:"text",input:text},
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step3cnl,
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function(){step2(text)})
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}
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if(wc.cnl) step2cnl(is[si])
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else step2(is[si])
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}
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//disable(true)
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clear(wc.o)
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clear(e)
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clear(p)
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var old={}
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for(var i=0;i<wc.os.length;i++) old[wc.os[i].input]=wc.os[i]
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// could also keep all copies if the same text occurs more than once...
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wc.os=[]
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wc.translating=f.input.value
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var is=split_punct(wc.translating+"\n")
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for(var i=0;i<is.length;i++) {
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var same=old[is[i]]
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if(same && same.to==f.to.value) { // reuse unchanged segment?
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wc.os[i]=same
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wc.o.appendChild(same.target)
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delete old[is[i]] // can't use the same node twice
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}
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else {
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wc.os[i]={input:is[i],text:is[i],to:f.to.value}
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if(i&1) { // punctuation
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var o=wc.os[i].target=span_class("punct",text(is[i]))
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wc.o.appendChild(o)
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}
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else { // text segment to be translated
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var o=wc.os[i].target=span_class("placeholder",text(is[i]))
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wc.o.appendChild(o)
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translate_segment(i)
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}
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}
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}
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wc.save()
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return false;
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}
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wc.speak=function(text,lang) {
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if(wc.speech) {
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var u=new SpeechSynthesisUtterance(text)
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u.lang=add_country(alangcode(lang))
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speechSynthesis.cancel()
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speechSynthesis.speak(u)
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}
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}
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wc.colors=function() {
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document.body.className=wc.f.colors.checked ? "colors" : ""
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wc.local.put("colors",wc.f.colors.checked)
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}
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wc.swap=function() {
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var f=wc.f
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function txt(r) { return r.text }
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f.input.value=wc.os.map(txt).join("").trimRight()
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var from=f.from.value
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f.from.value=f.to.value
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f.to.value=from
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wc.translate()
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}
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wc.google_translate_url=function() {
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return "http://translate.google.com/"
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+"#"+alangcode(wc.f.from.value)
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+"/"+alangcode(wc.f.to.value)
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+"/"+encodeURIComponent(wc.f.input.value)
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}
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wc.try_google=function() {
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var w=window.open(wc.google_translate_url(),
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"google_translate")
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w.focus()
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}
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// Update language selection menus with the languages supported by the grammar
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function init_languages() {
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function init2(langs) {
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var langset=toSet(langs)
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function update_menu(m) {
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var l=m.value
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clear(m)
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for(var i=0;i<langs.length;i++)
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m.appendChild(option(concname(langs[i]),langs[i]))
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if(langset[l]) m.value=l
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}
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update_menu(wc.f.from)
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update_menu(wc.f.to)
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}
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gftranslate.get_languages(init2)
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}
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function init_speech() {
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var speak=element("speak")
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if(speak) {
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wc.speech=window.speechSynthesis && window.speechSynthesis.getVoices().length>0
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if(wc.speech) speak.style.display="inline"
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}
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}
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init_languages()
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init_speech()
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setTimeout(init_speech,500) // A hack for Chrome.
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if(wc.cnl) {
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wc.pgf_online=pgf_online({});
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wc.pgf_online.switch_grammar(wc.cnl+".pgf")
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}
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wc.load()
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wc.f.input.focus()
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