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Wide Coverage Demo web app: more client side caching

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For example, you can now reorder paragraphs by cut & paste, without causing
anything to be sent to the server for re-translation.

Also some color & layout tweaks.
This commit is contained in:
hallgren
2014-04-17 13:48:00 +00:00
parent 0c04bdb4b9
commit 3fd6dc90f9
2 changed files with 63 additions and 73 deletions
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117
src/www/js/wc.js
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@@ -4,8 +4,8 @@ wc.f=document.forms[0]
wc.o=element("output")
wc.e=element("extra")
wc.p=element("pick")
wc.serial=0
wc.os=[] // output segment list
wc.cache={} // output segment cache, indexed by source text
wc.local=appLocalStorage("gf.wc.")
wc.delayed_translate=function() {
@@ -43,9 +43,7 @@ wc.load=function() {
}
wc.translate=function() {
var current= ++wc.serial
var f=wc.f, e=wc.e, p=wc.p
var selected= -1
/*
function disable(yes) {
@@ -59,18 +57,16 @@ wc.translate=function() {
return s.split(/([.!?]+[ \t\n]+|\n\n+|[ \t\n]*[-•*+#]+[ \t\n]+)/)
}
function translate_segment(si) { // si = segment index
function translate_segment(so) { // so = segment output
var rs=[] // list of alternative translations for this segment
var current_pick=0 // index of currently selected alternative
var get_more // if defined, a function that will fetch more alternatives
var output=wc.os[si].target // the element where this segment is shown
function show_error(msg) {
//if(e) e.innerHTML="<span class=low_quality>Translation problem: "+msg+"</span>"
//else
{
replaceChildren(output,text("["+msg+"]"))
output.className="error"
replaceChildren(so.target,text("["+msg+"]"))
so.target.className="error"
}
//disable(false)
}
@@ -95,32 +91,27 @@ wc.translate=function() {
*/
}
function show_more() {
selected=si
wc.selected=so
var r=rs[current_pick]
if(e) e.innerHTML=(r.prob||"")+"<br>"+(r.tree||"")
if(wc.p /*&& rs.length>1*/) show_picks()
//if(f.speak.checked) wc.speak(t.text,f.to.value)
if(get_more) {
var f=get_more
get_more=null
f()
}
}
output.onclick=show_more
so.target.onclick=show_more
function show_trans(i) {
var r=rs[i]
replaceChildren(output,text(r.text))
wc.os[si].text=r.text
output.className=r.t.quality
replaceChildren(so.target,text(r.text))
so.text=r.text
so.target.className=r.t.quality
current_pick=i
if(selected==si) show_more()
if(wc.selected==so) show_more()
}
function showit2(r) {
rs.push(r)
var j=rs.length-1
if(current_pick==j) show_trans(j)
else if(selected==si) show_picks()
else if(wc.selected==so) show_picks()
//disable(false)
}
function showit(r) {
@@ -136,52 +127,42 @@ wc.translate=function() {
function word_for_word(text,cont) {
function step3(tra) {
if(wc.serial==current) {
if(tra.length>=1) {
var r=tra[0]
if(r.error!=undefined) {
if(i==0 && rs.length==0) show_error(tra[0].error)
}
else {
var r=tra[0]
if(r.linearizations) show_words(r)
}
if(tra.length>=1) {
var r=tra[0]
if(r.error!=undefined) {
if(i==0 && rs.length==0) show_error(tra[0].error)
}
else {
var r=tra[0]
if(r.linearizations) show_words(r)
}
else if(i==0 && rs.length==0)
show_error("Unable to translate")
}
else if(i==0 && rs.length==0)
show_error("Unable to translate")
}
gftranslate.wordforword(text,f.from.value,f.to.value,step3)
}
function trans(text,i,count) {
function step3(tra) {
if(wc.serial==current) {
if(tra.length>=1) {
var r=tra[0]
if(r.error!=undefined) {
if(i==0 && rs.length==0) {
//show_error(tra[0].error)
word_for_word(text)
}
}
else {
for(var ti=0;ti<tra.length;ti++) {
var r=tra[ti]
if(r.linearizations) showit(r)
//else show_error("no linearizations")
}
/*
if(wc.p && i==0 && count==1) {
if(si==selected) trans(text,1,9)
else get_more=function() { trans(text,1,9) }
}
*/
if(tra.length>=1) {
var r=tra[0]
if(r.error!=undefined) {
if(i==0 && rs.length==0) {
//show_error(tra[0].error)
word_for_word(text)
}
}
else {
for(var ti=0;ti<tra.length;ti++) {
var r=tra[ti]
if(r.linearizations) showit(r)
//else show_error("no linearizations")
}
}
else if(i==0 && rs.length==0)
show_error("Unable to translate")
}
else if(i==0 && rs.length==0)
show_error("Unable to translate")
}
gftranslate.translate(text,f.from.value,f.to.value,i,count,step3)
}
@@ -202,8 +183,8 @@ wc.translate=function() {
step3cnl,
function(){step2(text)})
}
if(wc.cnl) step2cnl(is[si])
else step2(is[si])
if(wc.cnl) step2cnl(so.input)
else step2(so.input)
}
//disable(true)
@@ -212,7 +193,9 @@ wc.translate=function() {
clear(p)
var old={}
var old=wc.cache
var old_selected=wc.selected
wc.selected=null
for(var i=0;i<wc.os.length;i++) old[wc.os[i].input]=wc.os[i]
// could also keep all copies if the same text occurs more than once...
wc.os=[]
@@ -222,21 +205,25 @@ wc.translate=function() {
for(var i=0;i<is.length;i++) {
var same=old[is[i]]
if(same && same.to==f.to.value) { // reuse unchanged segment?
if(same && same.to==f.to.value && same.from==f.from.value) {
// reuse an unchanged segment
wc.os[i]=same
wc.o.appendChild(same.target)
if(same==old_selected) wc.selected=same
delete old[is[i]] // can't use the same node twice
}
else {
wc.os[i]={input:is[i],text:is[i],to:f.to.value}
// create a new output segment
var o=wc.os[i]={input:is[i],text:is[i],
from:f.from.value,to:f.to.value}
if(i&1) { // punctuation
var o=wc.os[i].target=span_class("punct",text(is[i]))
wc.o.appendChild(o)
o.target=span_class("punct",text(is[i]))
wc.o.appendChild(o.target)
}
else { // text segment to be translated
var o=wc.os[i].target=span_class("placeholder",text(is[i]))
wc.o.appendChild(o)
translate_segment(i)
o.target=span_class("placeholder",text(is[i]))
wc.o.appendChild(o.target)
translate_segment(o)
}
}
}