1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/browser/components/preferences/languages.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,304 @@
1.4 +/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +var gLanguagesDialog = {
1.10 +
1.11 + _availableLanguagesList : [],
1.12 + _acceptLanguages : { },
1.13 +
1.14 + _selectedItemID : null,
1.15 +
1.16 + init: function ()
1.17 + {
1.18 + if (!this._availableLanguagesList.length)
1.19 + this._loadAvailableLanguages();
1.20 + },
1.21 +
1.22 + get _activeLanguages()
1.23 + {
1.24 + return document.getElementById("activeLanguages");
1.25 + },
1.26 +
1.27 + get _availableLanguages()
1.28 + {
1.29 + return document.getElementById("availableLanguages");
1.30 + },
1.31 +
1.32 + _loadAvailableLanguages: function ()
1.33 + {
1.34 + // This is a parser for: resource://gre/res/language.properties
1.35 + // The file is formatted like so:
1.36 + // ab[-cd].accept=true|false
1.37 + // ab = language
1.38 + // cd = region
1.39 + var bundleAccepted = document.getElementById("bundleAccepted");
1.40 + var bundleRegions = document.getElementById("bundleRegions");
1.41 + var bundleLanguages = document.getElementById("bundleLanguages");
1.42 + var bundlePreferences = document.getElementById("bundlePreferences");
1.43 +
1.44 + function LanguageInfo(aName, aABCD, aIsVisible)
1.45 + {
1.46 + this.name = aName;
1.47 + this.abcd = aABCD;
1.48 + this.isVisible = aIsVisible;
1.49 + }
1.50 +
1.51 + // 1) Read the available languages out of language.properties
1.52 + var strings = bundleAccepted.strings;
1.53 + while (strings.hasMoreElements()) {
1.54 + var currString = strings.getNext();
1.55 + if (!(currString instanceof Components.interfaces.nsIPropertyElement))
1.56 + break;
1.57 +
1.58 + var property = currString.key.split("."); // ab[-cd].accept
1.59 + if (property[1] == "accept") {
1.60 + var abCD = property[0];
1.61 + var abCDPairs = abCD.split("-"); // ab[-cd]
1.62 + var useABCDFormat = abCDPairs.length > 1;
1.63 + var ab = useABCDFormat ? abCDPairs[0] : abCD;
1.64 + var cd = useABCDFormat ? abCDPairs[1] : "";
1.65 + if (ab) {
1.66 + var language = "";
1.67 + try {
1.68 + language = bundleLanguages.getString(ab);
1.69 + }
1.70 + catch (e) { continue; };
1.71 +
1.72 + var region = "";
1.73 + if (useABCDFormat) {
1.74 + try {
1.75 + region = bundleRegions.getString(cd);
1.76 + }
1.77 + catch (e) { continue; }
1.78 + }
1.79 +
1.80 + var name = "";
1.81 + if (useABCDFormat)
1.82 + name = bundlePreferences.getFormattedString("languageRegionCodeFormat",
1.83 + [language, region, abCD]);
1.84 + else
1.85 + name = bundlePreferences.getFormattedString("languageCodeFormat",
1.86 + [language, abCD]);
1.87 +
1.88 + if (name && abCD) {
1.89 + var isVisible = currString.value == "true" &&
1.90 + (!(abCD in this._acceptLanguages) || !this._acceptLanguages[abCD]);
1.91 + var li = new LanguageInfo(name, abCD, isVisible);
1.92 + this._availableLanguagesList.push(li);
1.93 + }
1.94 + }
1.95 + }
1.96 + }
1.97 + this._buildAvailableLanguageList();
1.98 + },
1.99 +
1.100 + _buildAvailableLanguageList: function ()
1.101 + {
1.102 + var availableLanguagesPopup = document.getElementById("availableLanguagesPopup");
1.103 + while (availableLanguagesPopup.hasChildNodes())
1.104 + availableLanguagesPopup.removeChild(availableLanguagesPopup.firstChild);
1.105 +
1.106 + // Sort the list of languages by name
1.107 + this._availableLanguagesList.sort(function (a, b) {
1.108 + return a.name.localeCompare(b.name);
1.109 + });
1.110 +
1.111 + // Load the UI with the data
1.112 + for (var i = 0; i < this._availableLanguagesList.length; ++i) {
1.113 + var abCD = this._availableLanguagesList[i].abcd;
1.114 + if (this._availableLanguagesList[i].isVisible &&
1.115 + (!(abCD in this._acceptLanguages) || !this._acceptLanguages[abCD])) {
1.116 + var menuitem = document.createElement("menuitem");
1.117 + menuitem.id = this._availableLanguagesList[i].abcd;
1.118 + availableLanguagesPopup.appendChild(menuitem);
1.119 + menuitem.setAttribute("label", this._availableLanguagesList[i].name);
1.120 + }
1.121 + }
1.122 + },
1.123 +
1.124 + readAcceptLanguages: function ()
1.125 + {
1.126 + while (this._activeLanguages.hasChildNodes())
1.127 + this._activeLanguages.removeChild(this._activeLanguages.firstChild);
1.128 +
1.129 + var selectedIndex = 0;
1.130 + var preference = document.getElementById("intl.accept_languages");
1.131 + if (preference.value == "")
1.132 + return undefined;
1.133 + var languages = preference.value.toLowerCase().split(/\s*,\s*/);
1.134 + for (var i = 0; i < languages.length; ++i) {
1.135 + var name = this._getLanguageName(languages[i]);
1.136 + if (!name)
1.137 + name = "[" + languages[i] + "]";
1.138 + var listitem = document.createElement("listitem");
1.139 + listitem.id = languages[i];
1.140 + if (languages[i] == this._selectedItemID)
1.141 + selectedIndex = i;
1.142 + this._activeLanguages.appendChild(listitem);
1.143 + listitem.setAttribute("label", name);
1.144 +
1.145 + // Hash this language as an "Active" language so we don't
1.146 + // show it in the list that can be added.
1.147 + this._acceptLanguages[languages[i]] = true;
1.148 + }
1.149 +
1.150 + if (this._activeLanguages.childNodes.length > 0) {
1.151 + this._activeLanguages.ensureIndexIsVisible(selectedIndex);
1.152 + this._activeLanguages.selectedIndex = selectedIndex;
1.153 + }
1.154 +
1.155 + return undefined;
1.156 + },
1.157 +
1.158 + writeAcceptLanguages: function ()
1.159 + {
1.160 + return undefined;
1.161 + },
1.162 +
1.163 + onAvailableLanguageSelect: function ()
1.164 + {
1.165 + var addButton = document.getElementById("addButton");
1.166 + addButton.disabled = false;
1.167 +
1.168 + this._availableLanguages.removeAttribute("accesskey");
1.169 + },
1.170 +
1.171 + addLanguage: function ()
1.172 + {
1.173 + var selectedID = this._availableLanguages.selectedItem.id;
1.174 + var preference = document.getElementById("intl.accept_languages");
1.175 + var arrayOfPrefs = preference.value.toLowerCase().split(/\s*,\s*/);
1.176 + for (var i = 0; i < arrayOfPrefs.length; ++i ){
1.177 + if (arrayOfPrefs[i] == selectedID)
1.178 + return;
1.179 + }
1.180 +
1.181 + this._selectedItemID = selectedID;
1.182 +
1.183 + if (preference.value == "")
1.184 + preference.value = selectedID;
1.185 + else {
1.186 + arrayOfPrefs.unshift(selectedID);
1.187 + preference.value = arrayOfPrefs.join(",");
1.188 + }
1.189 +
1.190 + this._acceptLanguages[selectedID] = true;
1.191 + this._availableLanguages.selectedItem = null;
1.192 +
1.193 + // Rebuild the available list with the added item removed...
1.194 + this._buildAvailableLanguageList();
1.195 +
1.196 + this._availableLanguages.setAttribute("label", this._availableLanguages.getAttribute("label2"));
1.197 + },
1.198 +
1.199 + removeLanguage: function ()
1.200 + {
1.201 + // Build the new preference value string.
1.202 + var languagesArray = [];
1.203 + for (var i = 0; i < this._activeLanguages.childNodes.length; ++i) {
1.204 + var item = this._activeLanguages.childNodes[i];
1.205 + if (!item.selected)
1.206 + languagesArray.push(item.id);
1.207 + else
1.208 + this._acceptLanguages[item.id] = false;
1.209 + }
1.210 + var string = languagesArray.join(",");
1.211 +
1.212 + // Get the item to select after the remove operation completes.
1.213 + var selection = this._activeLanguages.selectedItems;
1.214 + var lastSelected = selection[selection.length-1];
1.215 + var selectItem = lastSelected.nextSibling || lastSelected.previousSibling;
1.216 + selectItem = selectItem ? selectItem.id : null;
1.217 +
1.218 + this._selectedItemID = selectItem;
1.219 +
1.220 + // Update the preference and force a UI rebuild
1.221 + var preference = document.getElementById("intl.accept_languages");
1.222 + preference.value = string;
1.223 +
1.224 + this._buildAvailableLanguageList();
1.225 + },
1.226 +
1.227 + _getLanguageName: function (aABCD)
1.228 + {
1.229 + if (!this._availableLanguagesList.length)
1.230 + this._loadAvailableLanguages();
1.231 + for (var i = 0; i < this._availableLanguagesList.length; ++i) {
1.232 + if (aABCD == this._availableLanguagesList[i].abcd)
1.233 + return this._availableLanguagesList[i].name;
1.234 + }
1.235 + return "";
1.236 + },
1.237 +
1.238 + moveUp: function ()
1.239 + {
1.240 + var selectedItem = this._activeLanguages.selectedItems[0];
1.241 + var previousItem = selectedItem.previousSibling;
1.242 +
1.243 + var string = "";
1.244 + for (var i = 0; i < this._activeLanguages.childNodes.length; ++i) {
1.245 + var item = this._activeLanguages.childNodes[i];
1.246 + string += (i == 0 ? "" : ",");
1.247 + if (item.id == previousItem.id)
1.248 + string += selectedItem.id;
1.249 + else if (item.id == selectedItem.id)
1.250 + string += previousItem.id;
1.251 + else
1.252 + string += item.id;
1.253 + }
1.254 +
1.255 + this._selectedItemID = selectedItem.id;
1.256 +
1.257 + // Update the preference and force a UI rebuild
1.258 + var preference = document.getElementById("intl.accept_languages");
1.259 + preference.value = string;
1.260 + },
1.261 +
1.262 + moveDown: function ()
1.263 + {
1.264 + var selectedItem = this._activeLanguages.selectedItems[0];
1.265 + var nextItem = selectedItem.nextSibling;
1.266 +
1.267 + var string = "";
1.268 + for (var i = 0; i < this._activeLanguages.childNodes.length; ++i) {
1.269 + var item = this._activeLanguages.childNodes[i];
1.270 + string += (i == 0 ? "" : ",");
1.271 + if (item.id == nextItem.id)
1.272 + string += selectedItem.id;
1.273 + else if (item.id == selectedItem.id)
1.274 + string += nextItem.id;
1.275 + else
1.276 + string += item.id;
1.277 + }
1.278 +
1.279 + this._selectedItemID = selectedItem.id;
1.280 +
1.281 + // Update the preference and force a UI rebuild
1.282 + var preference = document.getElementById("intl.accept_languages");
1.283 + preference.value = string;
1.284 + },
1.285 +
1.286 + onLanguageSelect: function ()
1.287 + {
1.288 + var upButton = document.getElementById("up");
1.289 + var downButton = document.getElementById("down");
1.290 + var removeButton = document.getElementById("remove");
1.291 + switch (this._activeLanguages.selectedCount) {
1.292 + case 0:
1.293 + upButton.disabled = downButton.disabled = removeButton.disabled = true;
1.294 + break;
1.295 + case 1:
1.296 + upButton.disabled = this._activeLanguages.selectedIndex == 0;
1.297 + downButton.disabled = this._activeLanguages.selectedIndex == this._activeLanguages.childNodes.length - 1;
1.298 + removeButton.disabled = false;
1.299 + break;
1.300 + default:
1.301 + upButton.disabled = true;
1.302 + downButton.disabled = true;
1.303 + removeButton.disabled = false;
1.304 + }
1.305 + }
1.306 +};
1.307 +
