зеркало из https://github.com/mozilla/pjs.git
340 строки
11 KiB
JavaScript
340 строки
11 KiB
JavaScript
# -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is the Firefox Preferences System.
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#
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# The Initial Developer of the Original Code is
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# Ben Goodger.
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# Portions created by the Initial Developer are Copyright (C) 2005
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Ben Goodger <ben@mozilla.org>
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# Adrian Havill <havill@redhat.com>
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# Steffen Wilberg <steffen.wilberg@web.de>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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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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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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