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https://github.com/classilla/tenfourfox.git
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313 lines
10 KiB
JavaScript
313 lines
10 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var gLanguagesDialog = {
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_availableLanguagesList : [],
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_acceptLanguages : { },
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_selectedItemID : null,
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init: function ()
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{
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if (!this._availableLanguagesList.length)
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this._loadAvailableLanguages();
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},
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// Ugly hack used to trigger extra reflow in order to work around XUL bug 1194844;
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// see bug 1194346.
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forceReflow: function ()
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{
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this._activeLanguages.style.fontKerning = "none";
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setTimeout("gLanguagesDialog._activeLanguages.style.removeProperty('font-kerning')", 0);
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},
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get _activeLanguages()
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{
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return document.getElementById("activeLanguages");
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},
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get _availableLanguages()
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{
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return document.getElementById("availableLanguages");
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},
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_loadAvailableLanguages: function ()
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{
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// This is a parser for: resource://gre/res/language.properties
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// The file is formatted like so:
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// ab[-cd].accept=true|false
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// ab = language
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// cd = region
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var bundleAccepted = document.getElementById("bundleAccepted");
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var bundleRegions = document.getElementById("bundleRegions");
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var bundleLanguages = document.getElementById("bundleLanguages");
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var bundlePreferences = document.getElementById("bundlePreferences");
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function LanguageInfo(aName, aABCD, aIsVisible)
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{
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this.name = aName;
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this.abcd = aABCD;
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this.isVisible = aIsVisible;
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}
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// 1) Read the available languages out of language.properties
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var strings = bundleAccepted.strings;
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while (strings.hasMoreElements()) {
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var currString = strings.getNext();
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if (!(currString instanceof Components.interfaces.nsIPropertyElement))
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break;
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var property = currString.key.split("."); // ab[-cd].accept
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if (property[1] == "accept") {
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var abCD = property[0];
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var abCDPairs = abCD.split("-"); // ab[-cd]
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var useABCDFormat = abCDPairs.length > 1;
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var ab = useABCDFormat ? abCDPairs[0] : abCD;
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var cd = useABCDFormat ? abCDPairs[1] : "";
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if (ab) {
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var language = "";
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try {
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language = bundleLanguages.getString(ab);
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}
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catch (e) { continue; };
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var region = "";
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if (useABCDFormat) {
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try {
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region = bundleRegions.getString(cd);
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}
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catch (e) { continue; }
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}
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var name = "";
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if (useABCDFormat)
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name = bundlePreferences.getFormattedString("languageRegionCodeFormat",
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[language, region, abCD]);
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else
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name = bundlePreferences.getFormattedString("languageCodeFormat",
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[language, abCD]);
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if (name && abCD) {
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var isVisible = currString.value == "true" &&
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(!(abCD in this._acceptLanguages) || !this._acceptLanguages[abCD]);
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var li = new LanguageInfo(name, abCD, isVisible);
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this._availableLanguagesList.push(li);
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}
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}
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}
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}
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this._buildAvailableLanguageList();
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},
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_buildAvailableLanguageList: function ()
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{
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var availableLanguagesPopup = document.getElementById("availableLanguagesPopup");
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while (availableLanguagesPopup.hasChildNodes())
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availableLanguagesPopup.removeChild(availableLanguagesPopup.firstChild);
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// Sort the list of languages by name
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this._availableLanguagesList.sort(function (a, b) {
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return a.name.localeCompare(b.name);
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});
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// Load the UI with the data
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for (var i = 0; i < this._availableLanguagesList.length; ++i) {
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var abCD = this._availableLanguagesList[i].abcd;
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if (this._availableLanguagesList[i].isVisible &&
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(!(abCD in this._acceptLanguages) || !this._acceptLanguages[abCD])) {
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var menuitem = document.createElement("menuitem");
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menuitem.id = this._availableLanguagesList[i].abcd;
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availableLanguagesPopup.appendChild(menuitem);
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menuitem.setAttribute("label", this._availableLanguagesList[i].name);
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}
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}
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},
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readAcceptLanguages: function ()
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{
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while (this._activeLanguages.hasChildNodes())
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this._activeLanguages.removeChild(this._activeLanguages.firstChild);
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var selectedIndex = 0;
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var preference = document.getElementById("intl.accept_languages");
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if (preference.value == "")
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return undefined;
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var languages = preference.value.toLowerCase().split(/\s*,\s*/);
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for (var i = 0; i < languages.length; ++i) {
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var name = this._getLanguageName(languages[i]);
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if (!name)
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name = "[" + languages[i] + "]";
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var listitem = document.createElement("listitem");
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listitem.id = languages[i];
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if (languages[i] == this._selectedItemID)
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selectedIndex = i;
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this._activeLanguages.appendChild(listitem);
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listitem.setAttribute("label", name);
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// Hash this language as an "Active" language so we don't
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// show it in the list that can be added.
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this._acceptLanguages[languages[i]] = true;
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}
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if (this._activeLanguages.childNodes.length > 0) {
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this._activeLanguages.ensureIndexIsVisible(selectedIndex);
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this._activeLanguages.selectedIndex = selectedIndex;
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}
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return undefined;
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},
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writeAcceptLanguages: function ()
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{
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return undefined;
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},
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onAvailableLanguageSelect: function ()
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{
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var addButton = document.getElementById("addButton");
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addButton.disabled = false;
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this._availableLanguages.removeAttribute("accesskey");
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},
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addLanguage: function ()
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{
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var selectedID = this._availableLanguages.selectedItem.id;
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var preference = document.getElementById("intl.accept_languages");
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var arrayOfPrefs = preference.value.toLowerCase().split(/\s*,\s*/);
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for (var i = 0; i < arrayOfPrefs.length; ++i ){
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if (arrayOfPrefs[i] == selectedID)
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return;
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}
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this._selectedItemID = selectedID;
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if (preference.value == "")
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preference.value = selectedID;
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else {
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arrayOfPrefs.unshift(selectedID);
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preference.value = arrayOfPrefs.join(",");
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}
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this._acceptLanguages[selectedID] = true;
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this._availableLanguages.selectedItem = null;
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// Rebuild the available list with the added item removed...
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this._buildAvailableLanguageList();
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this._availableLanguages.setAttribute("label", this._availableLanguages.getAttribute("label2"));
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},
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removeLanguage: function ()
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{
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// Build the new preference value string.
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var languagesArray = [];
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for (var i = 0; i < this._activeLanguages.childNodes.length; ++i) {
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var item = this._activeLanguages.childNodes[i];
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if (!item.selected)
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languagesArray.push(item.id);
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else
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this._acceptLanguages[item.id] = false;
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}
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var string = languagesArray.join(",");
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// Get the item to select after the remove operation completes.
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var selection = this._activeLanguages.selectedItems;
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var lastSelected = selection[selection.length-1];
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var selectItem = lastSelected.nextSibling || lastSelected.previousSibling;
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selectItem = selectItem ? selectItem.id : null;
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this._selectedItemID = selectItem;
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// Update the preference and force a UI rebuild
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var preference = document.getElementById("intl.accept_languages");
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preference.value = string;
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this._buildAvailableLanguageList();
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},
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_getLanguageName: function (aABCD)
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{
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if (!this._availableLanguagesList.length)
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this._loadAvailableLanguages();
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for (var i = 0; i < this._availableLanguagesList.length; ++i) {
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if (aABCD == this._availableLanguagesList[i].abcd)
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return this._availableLanguagesList[i].name;
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}
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return "";
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},
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moveUp: function ()
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{
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var selectedItem = this._activeLanguages.selectedItems[0];
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var previousItem = selectedItem.previousSibling;
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var string = "";
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for (var i = 0; i < this._activeLanguages.childNodes.length; ++i) {
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var item = this._activeLanguages.childNodes[i];
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string += (i == 0 ? "" : ",");
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if (item.id == previousItem.id)
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string += selectedItem.id;
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else if (item.id == selectedItem.id)
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string += previousItem.id;
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else
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string += item.id;
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}
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this._selectedItemID = selectedItem.id;
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// Update the preference and force a UI rebuild
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var preference = document.getElementById("intl.accept_languages");
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preference.value = string;
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},
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moveDown: function ()
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{
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var selectedItem = this._activeLanguages.selectedItems[0];
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var nextItem = selectedItem.nextSibling;
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var string = "";
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for (var i = 0; i < this._activeLanguages.childNodes.length; ++i) {
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var item = this._activeLanguages.childNodes[i];
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string += (i == 0 ? "" : ",");
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if (item.id == nextItem.id)
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string += selectedItem.id;
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else if (item.id == selectedItem.id)
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string += nextItem.id;
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else
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string += item.id;
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}
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this._selectedItemID = selectedItem.id;
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// Update the preference and force a UI rebuild
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var preference = document.getElementById("intl.accept_languages");
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preference.value = string;
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},
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onLanguageSelect: function ()
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{
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var upButton = document.getElementById("up");
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var downButton = document.getElementById("down");
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var removeButton = document.getElementById("remove");
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switch (this._activeLanguages.selectedCount) {
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case 0:
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upButton.disabled = downButton.disabled = removeButton.disabled = true;
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break;
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case 1:
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upButton.disabled = this._activeLanguages.selectedIndex == 0;
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downButton.disabled = this._activeLanguages.selectedIndex == this._activeLanguages.childNodes.length - 1;
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removeButton.disabled = false;
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break;
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default:
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upButton.disabled = true;
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downButton.disabled = true;
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removeButton.disabled = false;
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}
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}
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};
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