зеркало из https://github.com/mozilla/gecko-dev.git
579 строки
15 KiB
JavaScript
579 строки
15 KiB
JavaScript
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Adrian Havill <havill@redhat.com>
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*/
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//GLOBALS
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//locale bundles
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var regionsBundle;
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var languagesBundle;
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var acceptedBundle;
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var prefLangBundle;
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//dictionary of all supported locales
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var availLanguageDict;
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//XUL listbox handles
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var available_languages;
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var active_languages;
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//XUL window pref window interface object
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var pref_string = new String();
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//Reg expression for splitting multiple pref values
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var separatorRe = /\s*,\s*/;
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function GetBundles()
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{
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if (!regionsBundle) regionsBundle = srGetStrBundle("chrome://global/locale/regionNames.properties");
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if (!languagesBundle) languagesBundle = srGetStrBundle("chrome://global/locale/languageNames.properties");
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if (!prefLangBundle) prefLangBundle = srGetStrBundle("chrome://communicator/locale/pref/pref-languages.properties");
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if (!acceptedBundle) acceptedBundle = srGetStrBundle("resource:/res/language.properties");
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}
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function Init()
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{
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try {
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GetBundles();
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}
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catch(ex) {
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}
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ReadAvailableLanguages();
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if (!("arguments" in window)) {
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//no caller arguments - load base window
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try {
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active_languages = document.getElementById('active_languages');
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} //try
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catch(ex) {
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} //catch
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try {
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parent.initPanel('chrome://communicator/content/pref/pref-languages.xul');
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}
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catch(ex) {
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//pref service backup
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} //catch
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pref_string = active_languages.getAttribute("prefvalue");
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LoadActiveLanguages();
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SelectLanguage();
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} else {
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//load available languages popup
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try {
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//add language popup
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available_languages = document.getElementById('available_languages');
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active_languages = window.opener.document.getElementById('active_languages');
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pref_string = window.opener.document.getElementById('intlAcceptLanguages').label;
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} //try
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catch(ex) {
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} //catch
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LoadAvailableLanguages();
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}
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}
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function AddLanguage()
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{
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//cludge: make pref string available from the popup
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document.getElementById('intlAcceptLanguages').label = pref_string;
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window.openDialog("chrome://communicator/content/pref/pref-languages-add.xul","_blank","modal,chrome,centerscreen,resizable=yes,titlebar", "addlangwindow");
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UpdateSavePrefString();
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SelectLanguage();
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}
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function ReadAvailableLanguages()
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{
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availLanguageDict = new Array();
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var visible = new String();
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var str = new String();
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var i =0;
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var acceptedBundleEnum = acceptedBundle.getSimpleEnumeration();
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var curItem;
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var stringName;
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var stringNameProperty;
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while (acceptedBundleEnum.hasMoreElements()) {
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//progress through the bundle
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curItem = acceptedBundleEnum.getNext();
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//"unpack" the item, nsIPropertyElement is now partially scriptable
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curItem = curItem.QueryInterface(Components.interfaces.nsIPropertyElement);
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//dump string name (key)
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stringName = curItem.key;
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stringNameProperty = stringName.split('.');
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if (stringNameProperty[1] == 'accept') {
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//dump the UI string (value)
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visible = curItem.value;
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//if (visible == 'true') {
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str = stringNameProperty[0];
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var stringLangRegion = stringNameProperty[0].split('-');
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if (stringLangRegion[0]) {
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var tit;
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try {
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tit = languagesBundle.GetStringFromName(stringLangRegion[0]);
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}
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catch (ex) {
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tit = "";
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}
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if (stringLangRegion.length > 1) {
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try {
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tit += "/" + regionsBundle.GetStringFromName(stringLangRegion[1]);
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}
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catch (ex) {
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tit += "["+str+"]";
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}
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} //if region
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tit = tit + " [" + str + "]";
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} //if language
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if (str && tit) {
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availLanguageDict[i] = new Array(3);
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availLanguageDict[i][0] = tit;
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availLanguageDict[i][1] = str;
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availLanguageDict[i][2] = visible;
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i++;
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} // if str&tit
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//} //if visible
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} //if accepted
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} //while
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availLanguageDict.sort( // sort on first element
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function (a, b) {
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if (a[0] < b[0]) return -1;
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if (a[0] > b[0]) return 1;
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return 0;
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});
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}
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function LoadAvailableLanguages()
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{
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if (availLanguageDict)
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for (var i = 0; i < availLanguageDict.length; i++) {
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if (availLanguageDict[i][2] == 'true') {
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AddListItem(document, available_languages, availLanguageDict[i][1], availLanguageDict[i][0]);
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} //if
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} //for
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}
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function LoadActiveLanguages()
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{
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if (pref_string) {
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var arrayOfPrefs = pref_string.split(separatorRe);
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for (var i = 0; i < arrayOfPrefs.length; i++) {
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var str = arrayOfPrefs[i];
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var tit = GetLanguageTitle(str);
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if (str) {
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if (!tit)
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tit = '[' + str + ']';
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AddListItem(document, active_languages, str, tit);
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} //if
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} //for
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}
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}
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function LangAlreadyActive(langId)
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{
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var found = false;
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try {
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var arrayOfPrefs = pref_string.split(separatorRe);
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if (arrayOfPrefs)
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for (var i = 0; i < arrayOfPrefs.length; i++) {
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if (arrayOfPrefs[i] == langId) {
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found = true;
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break;
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}
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}
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return found;
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}
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catch(ex){
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return false;
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}
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}
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function isAlpha(mixedCase) {
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var allCaps = mixedCase.toUpperCase();
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for (var i = allCaps.length - 1; i >= 0; i--) {
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var c = allCaps.charAt(i);
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if (c < 'A' || c > 'Z') return false;
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}
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return true;
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}
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function isAlphaNum(mixedCase) {
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var allCaps = mixedCase.toUpperCase();
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for (var i = allCaps.length - 1; i >= 0; i--) {
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var c = allCaps.charAt(i);
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if ((c < 'A' || c > 'Z') && (c < '0' || c > '9')) return false;
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}
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return true;
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}
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function IsRFC1766LangTag(candidate) {
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/* Valid language codes examples:
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i.e. ja-JP-kansai (Kansai dialect of Japanese)
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en-US-texas (Texas dialect)
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i-klingon-tng (did TOS Klingons speak in non-English?)
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sgn-US-MA (Martha Vineyard's Sign Language)
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*/
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var tags = candidate.split('-');
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/* if not IANA "i" or a private "x" extension, the primary
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tag should be a ISO 639 country code, two or three letters long.
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we don't check if the country code is bogus or not.
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*/
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var checkedTags = 0;
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if (tags[0].toLowerCase() != "x" && tags[0].toLowerCase() != "i") {
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if (tags[0].length != 2 && tags[0].length != 3) return false;
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if (!isAlpha(tags[0])) return false;
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checkedTags++;
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/* the first subtag can be either a 2 letter ISO 3166 country code,
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or an IANA registered tag from 3 to 8 characters.
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*/
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if (tags.length > 1) {
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if (tags[1].length < 2 || tags[1].length > 3) return false;
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if (!isAlphaNum(tags[1])) return false;
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/* do not allow user-assigned ISO 3166 country codes */
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if (tags[1].length == 2 && isAlpha(tags[1])) {
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var countryCode = tags[1].toUpperCase();
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if (countryCode == "AA" || countryCode == "ZZ") return false;
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if (countryCode[0] == 'X') return false;
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if (countryCode[0] == 'Q' && countryCode[1] > 'L') return false;
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}
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checkedTags++;
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}
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}
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else if (tags.length < 2) return false;
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else {
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if ((tags[1].length < 1) || (tags[1].length > 8)) return false;
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if (!isAlphaNum(tags[1])) return false;
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checkedTags++;
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}
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/* any remaining subtags must be one to eight alphabetic characters */
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for (var i = checkedTags; i < tags.length; i++) {
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if ((tags[1].length < 1) || (tags[i].length > 8)) return false;
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if (!isAlphaNum(tags[i])) return false;
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checkedTags++;
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}
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return true;
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}
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function AddAvailableLanguage()
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{
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var Languagename = new String();
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var Languageid = new String();
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//selected languages
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for (var nodeIndex=0; nodeIndex < available_languages.selectedItems.length; nodeIndex++) {
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var selItem = available_languages.selectedItems[nodeIndex];
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Languagename = selItem.getAttribute('label');
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Languageid = selItem.getAttribute('id');
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if (!LangAlreadyActive(Languageid)) {
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AddListItem(window.opener.document, active_languages, Languageid, Languagename);
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}//if
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} //loop selected languages
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//user-defined languages
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var otherField = document.getElementById( "languages.other" );
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if (otherField.value) {
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/* reject bogus lang strings, INCLUDING those with HTTP "q"
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values kludged on the end of them
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*/
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if (!IsRFC1766LangTag(otherField.value)) {
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window.alert(prefLangBundle.GetStringFromName("illegalOtherLanguage"));
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return false;
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}
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Languageid = otherField.value;
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Languageid = Languageid.toLowerCase();
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Languagename = GetLanguageTitle(Languageid);
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if (!Languagename)
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Languagename = '[' + Languageid + ']';
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if (!LangAlreadyActive(Languageid)) {
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AddListItem(window.opener.document, active_languages, Languageid, Languagename);
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}//if
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}
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available_languages.clearSelection();
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return true;
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} //AddAvailableLanguage
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function HandleDoubleClick(node)
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{
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var languageId = node.id;
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var languageName = node.getAttribute('label');
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if (languageName && languageName.length > 0)
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{
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if (!LangAlreadyActive(languageId)) {
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AddListItem(window.opener.document, active_languages, languageId, languageName);
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}
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window.close();
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}//if
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} //HandleDoubleClick
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function RemoveActiveLanguage()
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{
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var nextNode = null;
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var numSelected = active_languages.selectedItems.length;
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var deleted_all = false;
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while (active_languages.selectedItems.length > 0) {
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var selectedNode = active_languages.selectedItems[0];
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nextNode = selectedNode.nextSibling;
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if (!nextNode)
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if (selectedNode.previousSibling)
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nextNode = selectedNode.previousSibling;
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active_languages.removeChild(selectedNode);
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} //while
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if (nextNode) {
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active_languages.selectItem(nextNode)
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} else {
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//active_languages.clearSelection();
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}
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UpdateSavePrefString();
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} //RemoveActiveLanguage
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function GetLanguageTitle(id)
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{
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if (availLanguageDict)
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for (var j = 0; j < availLanguageDict.length; j++) {
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if ( availLanguageDict[j][1] == id) {
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//title =
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return availLanguageDict[j][0];
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}
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}
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return '';
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}
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function AddListItem(doc, listbox, langID, langTitle)
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{
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try { //let's beef up our error handling for languages without label / title
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// Create a listitem for the new Language
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var item = doc.createElement('listitem');
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// Copy over the attributes
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item.setAttribute('label', langTitle);
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item.setAttribute('id', langID);
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listbox.appendChild(item);
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} //try
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catch (ex) {
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} //catch
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}
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function UpdateSavePrefString()
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{
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var num_languages = 0;
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pref_string = "";
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for (var item = active_languages.firstChild; item != null; item = item.nextSibling) {
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var languageid = item.getAttribute('id');
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if (languageid.length > 1) {
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num_languages++;
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//separate >1 languages by commas
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if (num_languages > 1) {
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pref_string = pref_string + "," + " " + languageid;
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} else {
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pref_string = languageid;
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} //if
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} //if
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}//for
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active_languages.setAttribute("prefvalue", pref_string);
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}
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function MoveUp() {
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if (active_languages.selectedItems.length == 1) {
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var selected = active_languages.selectedItems[0];
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var before = selected.previousSibling
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if (before) {
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before.parentNode.insertBefore(selected, before);
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active_languages.selectItem(selected);
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active_languages.ensureElementIsVisible(selected);
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}
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}
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if (active_languages.selectedIndex == 0)
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{
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// selected item is first
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var moveUp = document.getElementById("up");
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moveUp.disabled = true;
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}
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if (active_languages.childNodes.length > 1)
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{
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// more than one item so we can move selected item back down
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var moveDown = document.getElementById("down");
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moveDown.disabled = false;
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}
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UpdateSavePrefString();
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} //MoveUp
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function MoveDown() {
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if (active_languages.selectedItems.length == 1) {
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var selected = active_languages.selectedItems[0];
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if (selected.nextSibling) {
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if (selected.nextSibling.nextSibling) {
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active_languages.insertBefore(selected, selected.nextSibling.nextSibling);
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}
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else {
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active_languages.appendChild(selected);
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}
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active_languages.selectItem(selected);
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}
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}
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if (active_languages.selectedIndex == active_languages.childNodes.length - 1)
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{
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// selected item is last
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var moveDown = document.getElementById("down");
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moveDown.disabled = true;
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}
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if (active_languages.childNodes.length > 1)
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{
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// more than one item so we can move selected item back up
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var moveUp = document.getElementById("up");
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moveUp.disabled = false;
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}
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UpdateSavePrefString();
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} //MoveDown
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function SelectLanguage() {
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if (active_languages.selectedItems.length) {
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document.getElementById("remove").disabled = false;
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var selected = active_languages.selectedItems[0];
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document.getElementById("down").disabled = !selected.nextSibling;
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document.getElementById("up").disabled = !selected.previousSibling;
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}
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else {
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document.getElementById("remove").disabled = true;
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document.getElementById("down").disabled = true;
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document.getElementById("up").disabled = true;
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}
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if (parent.hPrefWindow.getPrefIsLocked(document.getElementById("up").getAttribute("prefstring")))
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document.getElementById("up").disabled = true;
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if (parent.hPrefWindow.getPrefIsLocked(document.getElementById("down").getAttribute("prefstring")))
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document.getElementById("down").disabled = true;
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if (parent.hPrefWindow.getPrefIsLocked(document.getElementById("add").getAttribute("prefstring")))
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document.getElementById("add").disabled = true;
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if (parent.hPrefWindow.getPrefIsLocked(document.getElementById("remove").getAttribute("prefstring")))
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document.getElementById("remove").disabled = true;
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} // SelectLanguage
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