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Merge pull request #152 from dingedi/main

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Fix display issue on libretranslate.com
This commit is contained in:
Piero Toffanin 2021-10-09 15:31:02 -04:00 committed by GitHub
parent 2bd7947006 7b3d9f286e
commit 59e1be95df
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 330 additions and 331 deletions
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2
app/app.py
View file

@ -1,6 +1,7 @@
import os
from functools import wraps
import pkg_resources
from flask import Flask, abort, jsonify, render_template, request
from flask_swagger import swagger
from flask_swagger_ui import get_swaggerui_blueprint
@ -176,6 +177,7 @@ def create_app(args):
frontendTimeout=args.frontend_timeout,
api_keys=args.api_keys,
web_version=os.environ.get("LT_WEB") is not None,
version=pkg_resources.require("LibreTranslate")[0].version
)
@app.route("/javascript-licenses", methods=["GET"])

325
app/static/js/app.js Normal file
View file

@ -0,0 +1,325 @@
// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-3.0
// API host/endpoint
var BaseUrl = window.location.protocol + "//" + window.location.host;
var htmlRegex = /<(.*)>.*?|<(.*)\/>/;
document.addEventListener('DOMContentLoaded', function(){
var sidenavElems = document.querySelectorAll('.sidenav');
var sidenavInstances = M.Sidenav.init(sidenavElems);
var app = new Vue({
el: '#app',
delimiters: ['[[',']]'],
data: {
BaseUrl: BaseUrl,
loading: true,
error: "",
langs: [],
settings: {},
sourceLang: "",
targetLang: "",
loadingTranslation: false,
inputText: "",
inputTextareaHeight: 250,
savedTanslatedText: "",
translatedText: "",
output: "",
charactersLimit: -1,
copyTextLabel: "Copy text",
suggestions: false,
isSuggesting: false,
},
mounted: function(){
var self = this;
var requestSettings = new XMLHttpRequest();
requestSettings.open('GET', BaseUrl + '/frontend/settings', true);
requestSettings.onload = function() {
if (this.status >= 200 && this.status < 400) {
// Success!
self.settings = JSON.parse(this.response);
self.sourceLang = self.settings.language.source.code;
self.targetLang = self.settings.language.target.code;
self.charactersLimit = self.settings.charLimit;
self.suggestions = self.settings.suggestions;
}else {
self.error = "Cannot load /frontend/settings";
self.loading = false;
}
};
requestSettings.onerror = function() {
self.error = "Error while calling /frontend/settings";
self.loading = false;
};
requestSettings.send();
var requestLanguages = new XMLHttpRequest();
requestLanguages.open('GET', BaseUrl + '/languages', true);
requestLanguages.onload = function() {
if (this.status >= 200 && this.status < 400) {
// Success!
self.langs = JSON.parse(this.response);
self.langs.push({ name: 'Auto Detect (Experimental)', code: 'auto' })
if (self.langs.length === 0){
self.loading = false;
self.error = "No languages available. Did you install the models correctly?"
return;
}
self.loading = false;
} else {
self.error = "Cannot load /languages";
self.loading = false;
}
};
requestLanguages.onerror = function() {
self.error = "Error while calling /languages";
self.loading = false;
};
requestLanguages.send();
},
updated: function(){
M.FormSelect.init(this.$refs.sourceLangDropdown);
M.FormSelect.init(this.$refs.targetLangDropdown);
if (this.inputText === ""){
this.$refs.inputTextarea.style.height = this.inputTextareaHeight + "px";
this.$refs.translatedTextarea.style.height = this.inputTextareaHeight + "px";
}else{
this.$refs.inputTextarea.style.height = this.$refs.translatedTextarea.style.height = "1px";
this.$refs.inputTextarea.style.height = Math.max(this.inputTextareaHeight, this.$refs.inputTextarea.scrollHeight + 32) + "px";
this.$refs.translatedTextarea.style.height = Math.max(this.inputTextareaHeight, this.$refs.translatedTextarea.scrollHeight + 32) + "px";
}
if (this.charactersLimit !== -1 && this.inputText.length >= this.charactersLimit){
this.inputText = this.inputText.substring(0, this.charactersLimit);
}
// Update "selected" attribute (to overcome a vue.js limitation)
// but properly display checkmarks on supported browsers.
// Also change the <select> width value depending on the <option> length
for (var i = 0; i < this.$refs.sourceLangDropdown.children.length; i++){
var el = this.$refs.sourceLangDropdown.children[i];
if (el.value === this.sourceLang){
el.setAttribute('selected', '');
this.$refs.sourceLangDropdown.style.width = getTextWidth(el.text) + 24 + 'px';
}else{
el.removeAttribute('selected');
}
}
for (var i = 0; i < this.$refs.targetLangDropdown.children.length; i++){
var el = this.$refs.targetLangDropdown.children[i];
if (el.value === this.targetLang){
el.setAttribute('selected', '');
this.$refs.targetLangDropdown.style.width = getTextWidth(el.text) + 24 + 'px';
}else{
el.removeAttribute('selected');
}
}
},
computed: {
requestCode: function(){
return ['const res = await fetch("' + this.BaseUrl + '/translate", {',
' method: "POST",',
' body: JSON.stringify({',
' q: "' + this.$options.filters.escape(this.inputText) + '",',
' source: "' + this.$options.filters.escape(this.sourceLang) + '",',
' target: "' + this.$options.filters.escape(this.targetLang) + '",',
' format: "' + (this.isHtml ? "html" : "text") + '"',
' }),',
' headers: { "Content-Type": "application/json" }',
'});',
'',
'console.log(await res.json());'].join("\n");
},
isHtml: function(){
return htmlRegex.test(this.inputText);
},
canSendSuggestion() {
return this.translatedText.trim() !== "" && this.translatedText !== this.savedTanslatedText;
}
},
filters: {
escape: function(v){
return v.replace('"', '\\\"');
},
highlight: function(v){
return Prism.highlight(v, Prism.languages.javascript, 'javascript');
}
},
methods: {
abortPreviousTransRequest: function(){
if (this.transRequest){
this.transRequest.abort();
this.transRequest = null;
}
},
swapLangs: function(e){
this.closeSuggestTranslation(e)
var t = this.sourceLang;
this.sourceLang = this.targetLang;
this.targetLang = t;
this.inputText = this.translatedText;
this.translatedText = "";
this.handleInput();
},
dismissError: function(){
this.error = '';
},
handleInput: function(e){
this.closeSuggestTranslation(e)
if (this.timeout) clearTimeout(this.timeout);
this.timeout = null;
if (this.inputText === ""){
this.translatedText = "";
this.output = "";
this.abortPreviousTransRequest();
this.loadingTranslation = false;
return;
}
var self = this;
self.loadingTranslation = true;
this.timeout = setTimeout(function(){
self.abortPreviousTransRequest();
var request = new XMLHttpRequest();
self.transRequest = request;
var data = new FormData();
data.append("q", self.inputText);
data.append("source", self.sourceLang);
data.append("target", self.targetLang);
data.append("format", self.isHtml ? "html" : "text");
data.append("api_key", localStorage.getItem("api_key") || "");
request.open('POST', BaseUrl + '/translate', true);
request.onload = function() {
try{
var res = JSON.parse(this.response);
// Success!
if (res.translatedText !== undefined){
self.translatedText = res.translatedText;
self.loadingTranslation = false;
self.output = JSON.stringify(res, null, 4);
}else{
throw new Error(res.error || "Unknown error");
}
}catch(e){
self.error = e.message;
self.loadingTranslation = false;
}
};
request.onerror = function() {
self.error = "Error while calling /translate";
self.loadingTranslation = false;
};
request.send(data);
}, '{{ frontendTimeout }}');
},
copyText: function(e){
e.preventDefault();
this.$refs.translatedTextarea.select();
this.$refs.translatedTextarea.setSelectionRange(0, 9999999); /* For mobile devices */
document.execCommand("copy");
if (this.copyTextLabel === "Copy text"){
this.copyTextLabel = "Copied";
var self = this;
setTimeout(function(){
self.copyTextLabel = "Copy text";
}, 1500);
}
},
suggestTranslation: function(e) {
e.preventDefault();
this.savedTanslatedText = this.translatedText
this.isSuggesting = true;
},
closeSuggestTranslation: function(e) {
this.translatedText = this.savedTanslatedText
e.preventDefault();
this.isSuggesting = false;
},
sendSuggestion: function(e) {
e.preventDefault();
var self = this;
var request = new XMLHttpRequest();
self.transRequest = request;
var data = new FormData();
data.append("q", self.inputText);
data.append("s", self.translatedText);
data.append("source", self.sourceLang);
data.append("target", self.targetLang);
request.open('POST', BaseUrl + '/suggest', true);
request.onload = function() {
try{
var res = JSON.parse(this.response);
if (res.success){
M.toast({html: 'Thanks for your correction.'})
self.closeSuggestTranslation(e)
}else{
throw new Error(res.error || "Unknown error");
}
}catch(e){
self.error = e.message;
self.closeSuggestTranslation(e)
}
};
request.onerror = function() {
self.error = "Error while calling /suggest";
self.loadingTranslation = false;
};
request.send(data);
},
deleteText: function(e){
e.preventDefault();
this.inputText = this.translatedText = this.output = "";
}
}
});
});
function getTextWidth(text) {
var canvas = getTextWidth.canvas || (getTextWidth.canvas = document.createElement("canvas"));
var ctx = canvas.getContext("2d");
ctx.font = 'bold 16px sans-serif';
var textWidth = Math.ceil(ctx.measureText(text).width);
return textWidth;
}
function setApiKey(){
var prevKey = localStorage.getItem("api_key") || "";
var newKey = "";
newKey = window.prompt("Type in your API Key. If you need an API key, contact the server operator.", prevKey);
if (newKey === null) newKey = "";
localStorage.setItem("api_key", newKey);
}
// @license-end

334
app/templates/index.html
View file

@ -19,7 +19,7 @@
<link rel="stylesheet" href="{{ url_for('static', filename='css/materialize.min.css') }}">
<link rel="stylesheet" href="{{ url_for('static', filename='css/material-icons.css') }}" />
<link rel="stylesheet" href="{{ url_for('static', filename='css/prism.min.css') }}" />
<link rel="stylesheet" href="{{ url_for('static', filename='css/main.css') }}?t=2" />
<link rel="stylesheet" href="{{ url_for('static', filename='css/main.css') }}?v={{ version }}" />
{% if gaId %}
<!-- Global site tag (gtag.js) - Google Analytics -->
@ -245,335 +245,7 @@
window.Prism.manual = true;
// @license-end
</script>
<script src="{{ url_for('static', filename='js/prism.min.js') }}"></script>
<script>
// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-3.0
// API host/endpoint
var BaseUrl = window.location.protocol + "//" + window.location.host;
var htmlRegex = /<(.*)>.*?|<(.*)\/>/;
document.addEventListener('DOMContentLoaded', function(){
var sidenavElems = document.querySelectorAll('.sidenav');
var sidenavInstances = M.Sidenav.init(sidenavElems);
var app = new Vue({
el: '#app',
delimiters: ['[[',']]'],
data: {
BaseUrl: BaseUrl,
loading: true,
error: "",
langs: [],
settings: {},
sourceLang: "",
targetLang: "",
loadingTranslation: false,
inputText: "",
inputTextareaHeight: 250,
savedTanslatedText: "",
translatedText: "",
output: "",
charactersLimit: -1,
copyTextLabel: "Copy text",
suggestions: false,
isSuggesting: false,
},
mounted: function(){
var self = this;
var requestSettings = new XMLHttpRequest();
requestSettings.open('GET', BaseUrl + '/frontend/settings', true);
requestSettings.onload = function() {
if (this.status >= 200 && this.status < 400) {
// Success!
self.settings = JSON.parse(this.response);
self.sourceLang = self.settings.language.source.code;
self.targetLang = self.settings.language.target.code;
self.charactersLimit = self.settings.charLimit;
self.suggestions = self.settings.suggestions;
}else {
self.error = "Cannot load /frontend/settings";
self.loading = false;
}
};
requestSettings.onerror = function() {
self.error = "Error while calling /frontend/settings";
self.loading = false;
};
requestSettings.send();
var requestLanguages = new XMLHttpRequest();
requestLanguages.open('GET', BaseUrl + '/languages', true);
requestLanguages.onload = function() {
if (this.status >= 200 && this.status < 400) {
// Success!
self.langs = JSON.parse(this.response);
self.langs.push({ name: 'Auto Detect (Experimental)', code: 'auto' })
if (self.langs.length === 0){
self.loading = false;
self.error = "No languages available. Did you install the models correctly?"
return;
}
self.loading = false;
} else {
self.error = "Cannot load /languages";
self.loading = false;
}
};
requestLanguages.onerror = function() {
self.error = "Error while calling /languages";
self.loading = false;
};
requestLanguages.send();
},
updated: function(){
M.FormSelect.init(this.$refs.sourceLangDropdown);
M.FormSelect.init(this.$refs.targetLangDropdown);
if (this.inputText === ""){
this.$refs.inputTextarea.style.height = this.inputTextareaHeight + "px";
this.$refs.translatedTextarea.style.height = this.inputTextareaHeight + "px";
}else{
this.$refs.inputTextarea.style.height = this.$refs.translatedTextarea.style.height = "1px";
this.$refs.inputTextarea.style.height = Math.max(this.inputTextareaHeight, this.$refs.inputTextarea.scrollHeight + 32) + "px";
this.$refs.translatedTextarea.style.height = Math.max(this.inputTextareaHeight, this.$refs.translatedTextarea.scrollHeight + 32) + "px";
}
if (this.charactersLimit !== -1 && this.inputText.length >= this.charactersLimit){
this.inputText = this.inputText.substring(0, this.charactersLimit);
}
// Update "selected" attribute (to overcome a vue.js limitation)
// but properly display checkmarks on supported browsers.
// Also change the <select> width value depending on the <option> length
for (var i = 0; i < this.$refs.sourceLangDropdown.children.length; i++){
var el = this.$refs.sourceLangDropdown.children[i];
if (el.value === this.sourceLang){
el.setAttribute('selected', '');
this.$refs.sourceLangDropdown.style.width = getTextWidth(el.text) + 24 + 'px';
}else{
el.removeAttribute('selected');
}
}
for (var i = 0; i < this.$refs.targetLangDropdown.children.length; i++){
var el = this.$refs.targetLangDropdown.children[i];
if (el.value === this.targetLang){
el.setAttribute('selected', '');
this.$refs.targetLangDropdown.style.width = getTextWidth(el.text) + 24 + 'px';
}else{
el.removeAttribute('selected');
}
}
},
computed: {
requestCode: function(){
return ['const res = await fetch("' + this.BaseUrl + '/translate", {',
' method: "POST",',
' body: JSON.stringify({',
' q: "' + this.$options.filters.escape(this.inputText) + '",',
' source: "' + this.$options.filters.escape(this.sourceLang) + '",',
' target: "' + this.$options.filters.escape(this.targetLang) + '",',
' format: "' + (this.isHtml ? "html" : "text") + '"',
' }),',
' headers: { "Content-Type": "application/json" }',
'});',
'',
'console.log(await res.json());'].join("\n");
},
isHtml: function(){
return htmlRegex.test(this.inputText);
},
canSendSuggestion() {
return this.translatedText.trim() !== "" && this.translatedText !== this.savedTanslatedText;
}
},
filters: {
escape: function(v){
return v.replace('"', '\\\"');
},
highlight: function(v){
return Prism.highlight(v, Prism.languages.javascript, 'javascript');
}
},
methods: {
abortPreviousTransRequest: function(){
if (this.transRequest){
this.transRequest.abort();
this.transRequest = null;
}
},
swapLangs: function(e){
this.closeSuggestTranslation(e)
var t = this.sourceLang;
this.sourceLang = this.targetLang;
this.targetLang = t;
this.inputText = this.translatedText;
this.translatedText = "";
this.handleInput();
},
dismissError: function(){
this.error = '';
},
handleInput: function(e){
this.closeSuggestTranslation(e)
if (this.timeout) clearTimeout(this.timeout);
this.timeout = null;
if (this.inputText === ""){
this.translatedText = "";
this.output = "";
this.abortPreviousTransRequest();
this.loadingTranslation = false;
return;
}
var self = this;
self.loadingTranslation = true;
this.timeout = setTimeout(function(){
self.abortPreviousTransRequest();
var request = new XMLHttpRequest();
self.transRequest = request;
var data = new FormData();
data.append("q", self.inputText);
data.append("source", self.sourceLang);
data.append("target", self.targetLang);
data.append("format", self.isHtml ? "html" : "text");
data.append("api_key", localStorage.getItem("api_key") || "");
request.open('POST', BaseUrl + '/translate', true);
request.onload = function() {
try{
var res = JSON.parse(this.response);
// Success!
if (res.translatedText !== undefined){
self.translatedText = res.translatedText;
self.loadingTranslation = false;
self.output = JSON.stringify(res, null, 4);
}else{
throw new Error(res.error || "Unknown error");
}
}catch(e){
self.error = e.message;
self.loadingTranslation = false;
}
};
request.onerror = function() {
self.error = "Error while calling /translate";
self.loadingTranslation = false;
};
request.send(data);
}, '{{ frontendTimeout }}');
},
copyText: function(e){
e.preventDefault();
this.$refs.translatedTextarea.select();
this.$refs.translatedTextarea.setSelectionRange(0, 9999999); /* For mobile devices */
document.execCommand("copy");
if (this.copyTextLabel === "Copy text"){
this.copyTextLabel = "Copied";
var self = this;
setTimeout(function(){
self.copyTextLabel = "Copy text";
}, 1500);
}
},
suggestTranslation: function(e) {
e.preventDefault();
this.savedTanslatedText = this.translatedText
this.isSuggesting = true;
},
closeSuggestTranslation: function(e) {
this.translatedText = this.savedTanslatedText
e.preventDefault();
this.isSuggesting = false;
},
sendSuggestion: function(e) {
e.preventDefault();
var self = this;
var request = new XMLHttpRequest();
self.transRequest = request;
var data = new FormData();
data.append("q", self.inputText);
data.append("s", self.translatedText);
data.append("source", self.sourceLang);
data.append("target", self.targetLang);
request.open('POST', BaseUrl + '/suggest', true);
request.onload = function() {
try{
var res = JSON.parse(this.response);
if (res.success){
M.toast({html: 'Thanks for your correction.'})
self.closeSuggestTranslation(e)
}else{
throw new Error(res.error || "Unknown error");
}
}catch(e){
self.error = e.message;
self.closeSuggestTranslation(e)
}
};
request.onerror = function() {
self.error = "Error while calling /suggest";
self.loadingTranslation = false;
};
request.send(data);
},
deleteText: function(e){
e.preventDefault();
this.inputText = this.translatedText = this.output = "";
}
}
});
});
function getTextWidth(text) {
var canvas = getTextWidth.canvas || (getTextWidth.canvas = document.createElement("canvas"));
var ctx = canvas.getContext("2d");
ctx.font = 'bold 16px sans-serif';
var textWidth = Math.ceil(ctx.measureText(text).width);
return textWidth;
}
function setApiKey(){
var prevKey = localStorage.getItem("api_key") || "";
var newKey = "";
newKey = window.prompt("Type in your API Key. If you need an API key, contact the server operator.", prevKey);
if (newKey === null) newKey = "";
localStorage.setItem("api_key", newKey);
}
// @license-end
</script>
<script src="{{ url_for('static', filename='js/prism.min.js') }}"></script>
<script src="{{ url_for('static', filename='js/app.js') }}?v={{ version }}"></script>
</body>
</html>