gecko/browser/components/preferences/languages.js
Andres Hernandez fd33841755 Bug 325901 - fix unnecessarily preprocessed files in browser/, r=gavin
--HG--
extra : rebase_source : cc42d98604e38528f3bc9941dce4f15ec8ad5d67
2012-08-10 14:20:25 -06:00

305 lines
9.9 KiB
JavaScript

/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
var gLanguagesDialog = {
_availableLanguagesList : [],
_acceptLanguages : { },
_selectedItemID : null,
init: function ()
{
if (!this._availableLanguagesList.length)
this._loadAvailableLanguages();
},
get _activeLanguages()
{
return document.getElementById("activeLanguages");
},
get _availableLanguages()
{
return document.getElementById("availableLanguages");
},
_loadAvailableLanguages: function ()
{
// This is a parser for: resource://gre/res/language.properties
// The file is formatted like so:
// ab[-cd].accept=true|false
// ab = language
// cd = region
var bundleAccepted = document.getElementById("bundleAccepted");
var bundleRegions = document.getElementById("bundleRegions");
var bundleLanguages = document.getElementById("bundleLanguages");
var bundlePreferences = document.getElementById("bundlePreferences");
function LanguageInfo(aName, aABCD, aIsVisible)
{
this.name = aName;
this.abcd = aABCD;
this.isVisible = aIsVisible;
}
// 1) Read the available languages out of language.properties
var strings = bundleAccepted.strings;
while (strings.hasMoreElements()) {
var currString = strings.getNext();
if (!(currString instanceof Components.interfaces.nsIPropertyElement))
break;
var property = currString.key.split("."); // ab[-cd].accept
if (property[1] == "accept") {
var abCD = property[0];
var abCDPairs = abCD.split("-"); // ab[-cd]
var useABCDFormat = abCDPairs.length > 1;
var ab = useABCDFormat ? abCDPairs[0] : abCD;
var cd = useABCDFormat ? abCDPairs[1] : "";
if (ab) {
var language = "";
try {
language = bundleLanguages.getString(ab);
}
catch (e) { continue; };
var region = "";
if (useABCDFormat) {
try {
region = bundleRegions.getString(cd);
}
catch (e) { continue; }
}
var name = "";
if (useABCDFormat)
name = bundlePreferences.getFormattedString("languageRegionCodeFormat",
[language, region, abCD]);
else
name = bundlePreferences.getFormattedString("languageCodeFormat",
[language, abCD]);
if (name && abCD) {
var isVisible = currString.value == "true" &&
(!(abCD in this._acceptLanguages) || !this._acceptLanguages[abCD]);
var li = new LanguageInfo(name, abCD, isVisible);
this._availableLanguagesList.push(li);
}
}
}
}
this._buildAvailableLanguageList();
},
_buildAvailableLanguageList: function ()
{
var availableLanguagesPopup = document.getElementById("availableLanguagesPopup");
while (availableLanguagesPopup.hasChildNodes())
availableLanguagesPopup.removeChild(availableLanguagesPopup.firstChild);
// Sort the list of languages by name
this._availableLanguagesList.sort(function (a, b) {
return a.name.localeCompare(b.name);
});
// Load the UI with the data
for (var i = 0; i < this._availableLanguagesList.length; ++i) {
var abCD = this._availableLanguagesList[i].abcd;
if (this._availableLanguagesList[i].isVisible &&
(!(abCD in this._acceptLanguages) || !this._acceptLanguages[abCD])) {
var menuitem = document.createElement("menuitem");
menuitem.id = this._availableLanguagesList[i].abcd;
availableLanguagesPopup.appendChild(menuitem);
menuitem.setAttribute("label", this._availableLanguagesList[i].name);
}
}
},
readAcceptLanguages: function ()
{
while (this._activeLanguages.hasChildNodes())
this._activeLanguages.removeChild(this._activeLanguages.firstChild);
var selectedIndex = 0;
var preference = document.getElementById("intl.accept_languages");
if (preference.value == "")
return undefined;
var languages = preference.value.toLowerCase().split(/\s*,\s*/);
for (var i = 0; i < languages.length; ++i) {
var name = this._getLanguageName(languages[i]);
if (!name)
name = "[" + languages[i] + "]";
var listitem = document.createElement("listitem");
listitem.id = languages[i];
if (languages[i] == this._selectedItemID)
selectedIndex = i;
this._activeLanguages.appendChild(listitem);
listitem.setAttribute("label", name);
// Hash this language as an "Active" language so we don't
// show it in the list that can be added.
this._acceptLanguages[languages[i]] = true;
}
if (this._activeLanguages.childNodes.length > 0) {
this._activeLanguages.ensureIndexIsVisible(selectedIndex);
this._activeLanguages.selectedIndex = selectedIndex;
}
return undefined;
},
writeAcceptLanguages: function ()
{
return undefined;
},
onAvailableLanguageSelect: function ()
{
var addButton = document.getElementById("addButton");
addButton.disabled = false;
this._availableLanguages.removeAttribute("accesskey");
},
addLanguage: function ()
{
var selectedID = this._availableLanguages.selectedItem.id;
var preference = document.getElementById("intl.accept_languages");
var arrayOfPrefs = preference.value.toLowerCase().split(/\s*,\s*/);
for (var i = 0; i < arrayOfPrefs.length; ++i ){
if (arrayOfPrefs[i] == selectedID)
return;
}
this._selectedItemID = selectedID;
if (preference.value == "")
preference.value = selectedID;
else {
arrayOfPrefs.unshift(selectedID);
preference.value = arrayOfPrefs.join(",");
}
this._acceptLanguages[selectedID] = true;
this._availableLanguages.selectedItem = null;
// Rebuild the available list with the added item removed...
this._buildAvailableLanguageList();
this._availableLanguages.setAttribute("label", this._availableLanguages.getAttribute("label2"));
},
removeLanguage: function ()
{
// Build the new preference value string.
var languagesArray = [];
for (var i = 0; i < this._activeLanguages.childNodes.length; ++i) {
var item = this._activeLanguages.childNodes[i];
if (!item.selected)
languagesArray.push(item.id);
else
this._acceptLanguages[item.id] = false;
}
var string = languagesArray.join(",");
// Get the item to select after the remove operation completes.
var selection = this._activeLanguages.selectedItems;
var lastSelected = selection[selection.length-1];
var selectItem = lastSelected.nextSibling || lastSelected.previousSibling;
selectItem = selectItem ? selectItem.id : null;
this._selectedItemID = selectItem;
// Update the preference and force a UI rebuild
var preference = document.getElementById("intl.accept_languages");
preference.value = string;
this._buildAvailableLanguageList();
},
_getLanguageName: function (aABCD)
{
if (!this._availableLanguagesList.length)
this._loadAvailableLanguages();
for (var i = 0; i < this._availableLanguagesList.length; ++i) {
if (aABCD == this._availableLanguagesList[i].abcd)
return this._availableLanguagesList[i].name;
}
return "";
},
moveUp: function ()
{
var selectedItem = this._activeLanguages.selectedItems[0];
var previousItem = selectedItem.previousSibling;
var string = "";
for (var i = 0; i < this._activeLanguages.childNodes.length; ++i) {
var item = this._activeLanguages.childNodes[i];
string += (i == 0 ? "" : ",");
if (item.id == previousItem.id)
string += selectedItem.id;
else if (item.id == selectedItem.id)
string += previousItem.id;
else
string += item.id;
}
this._selectedItemID = selectedItem.id;
// Update the preference and force a UI rebuild
var preference = document.getElementById("intl.accept_languages");
preference.value = string;
},
moveDown: function ()
{
var selectedItem = this._activeLanguages.selectedItems[0];
var nextItem = selectedItem.nextSibling;
var string = "";
for (var i = 0; i < this._activeLanguages.childNodes.length; ++i) {
var item = this._activeLanguages.childNodes[i];
string += (i == 0 ? "" : ",");
if (item.id == nextItem.id)
string += selectedItem.id;
else if (item.id == selectedItem.id)
string += nextItem.id;
else
string += item.id;
}
this._selectedItemID = selectedItem.id;
// Update the preference and force a UI rebuild
var preference = document.getElementById("intl.accept_languages");
preference.value = string;
},
onLanguageSelect: function ()
{
var upButton = document.getElementById("up");
var downButton = document.getElementById("down");
var removeButton = document.getElementById("remove");
switch (this._activeLanguages.selectedCount) {
case 0:
upButton.disabled = downButton.disabled = removeButton.disabled = true;
break;
case 1:
upButton.disabled = this._activeLanguages.selectedIndex == 0;
downButton.disabled = this._activeLanguages.selectedIndex == this._activeLanguages.childNodes.length - 1;
removeButton.disabled = false;
break;
default:
upButton.disabled = true;
downButton.disabled = true;
removeButton.disabled = false;
}
}
};