gecko-dev/xpfe/components/prefwindow/resources/content/pref-languages.js
ben%netscape.com c2e603eb00 code cleanup
2000-05-17 06:29:22 +00:00

511 lines
12 KiB
JavaScript

//GLOBALS
//pref service and pref string
var prefInt = parent.hPrefWindow.pref;
//locale bundles
var regionsBundle;
var languagesBundle;
var acceptedBundle;
//dictionary of all supported locales
var availLanguageDict;
//XUL tree handles
var available_languages;
var available_languages_treeroot;
//XUL tree handles
var active_languages;
var active_languages_treeroot;
//XUL window pref window interface object
var pref_string = new String();
function GetBundles()
{
if (!regionsBundle) regionsBundle = srGetStrBundle("chrome://global/locale/regionNames.properties");
if (!languagesBundle) languagesBundle = srGetStrBundle("chrome://global/locale/languageNames.properties");
if (!acceptedBundle) acceptedBundle = srGetStrBundle("resource:/res/language.properties");
}
function Init()
{
doSetOKCancel(AddAvailableLanguage);
dump("********** Init()\n");
try {
GetBundles()
ReadAvailableLanguages();
}
catch(ex) {
dump("*** Couldn't get string bundles\n");
}
if (!window.arguments) {
//no caller arguments - load base window
try {
active_languages = document.getElementById('active_languages');
active_languages_treeroot = document.getElementById('active_languages_root');
prefwindow_proxy_object = document.getElementById('intlAcceptLanguages');
} //try
catch(ex) {
dump("*** Couldn't get XUL element handles\n");
} //catch
try {
parent.initPanel('chrome://communicator/content/pref/pref-languages2.xul');
}
catch(ex) {
dump("*** Couldn't initialize page switcher and pref loader.\n");
//pref service backup
} //catch
try {
pref_string = parent.hPrefWindow.getPref( "string", "intl.accept_languages");
//fall-back (hard-coded for Beta2, need to move to XUL/DTD)
if (!pref_string) pref_string = "en";
} //try
catch(ex) {
dump("*** Couldn't read pref string\n");
} //catch
try {
dump("*** Language PrefString: " + pref_string + "\n");
} //try
catch(ex) {
dump("*** Pref object doesn't exist\n");
} //catch
LoadActiveLanguages();
} else {
//load available languages popup
try {
//add language popup
available_languages = document.getElementById('available_languages');
available_languages_treeroot = document.getElementById('available_languages_root');
active_languages = window.opener.document.getElementById('active_languages');
active_languages_treeroot = window.opener.document.getElementById('active_languages_root');
pref_string = window.opener.document.getElementById('intlAcceptLanguages').value;
} //try
catch(ex) {
dump("*** Couldn't get XUL element handles\n");
} //catch
try {
dump("*** AddAvailable Language PrefString: " + pref_string + "\n");
} //try
catch(ex) {
dump("*** Pref object doesn't exist\n");
} //catch
LoadAvailableLanguages();
}
}
function AddLanguage()
{
dump("********** AddLanguage()\n");
//cludge: make pref string available from the popup
document.getElementById('intlAcceptLanguages').value = pref_string;
window.openDialog("chrome://communicator/content/pref/pref-languages-add.xul","","modal=yes,chrome,resizable=no", "addlangwindow");
UpdateSavePrefString();
}
function ReadAvailableLanguages()
{
availLanguageDict = new Array();
var visible = new String();
var str = new String();
var i =0;
acceptedBundleEnum = acceptedBundle.getSimpleEnumeration();
while (acceptedBundleEnum.hasMoreElements()) {
//progress through the bundle
curItem = acceptedBundleEnum.getNext();
//"unpack" the item, nsIPropertyElement is now partially scriptable
curItem = curItem.QueryInterface(Components.interfaces.nsIPropertyElement);
//dump string name (key)
var stringName = curItem.getKey();
stringNameProperty = stringName.split('.');
if (stringNameProperty[1] == 'accept') {
//dump the UI string (value)
visible = curItem.getValue();
//if (visible == 'true') {
str = stringNameProperty[0];
stringLangRegion = stringNameProperty[0].split('-');
if (stringLangRegion[0]) {
try {
var tit = languagesBundle.GetStringFromName(stringLangRegion[0]);
}
catch (ex) {
dump("No language string for:" + stringLangRegion[1] + "\n");
}
if (stringLangRegion[1]) {
try {
var tit = tit + "/" + regionsBundle.GetStringFromName(stringLangRegion[1]);
}
catch (ex) {
dump("No region string for:" + stringLangRegion[1] + "\n");
}
} //if region
tit = tit + " [" + str + "]";
} //if language
if (str) if (tit) {
availLanguageDict[i] = new Array(2);
availLanguageDict[i][0] = tit;
availLanguageDict[i][1] = str;
availLanguageDict[i][2] = visible;
i++;
if (tit) {}
else dump('Not label for :' + str + ', ' + tit+'\n');
} // if str&tit
//} //if visible
} //if accepted
} //while
availLanguageDict.sort();
}
function LoadAvailableLanguages()
{
dump("Loading available languages!\n");
if (availLanguageDict) for (i = 0; i < availLanguageDict.length; i++) {
if (availLanguageDict[i][2] == 'true') {
AddTreeItem(document, available_languages_treeroot, availLanguageDict[i][1], availLanguageDict[i][0]);
} //if
} //for
}
function LoadActiveLanguages()
{
dump("LoadActiveLanguages, PrefString: " + pref_string + "\n");
try {
arrayOfPrefs = pref_string.split(', ');
}
catch (ex) {
dump("failed to split the preference string!\n");
}
if (arrayOfPrefs) for (i = 0; i < arrayOfPrefs.length; i++) {
str = arrayOfPrefs[i];
tit = GetLanguageTitle(str);
if (str) if (tit) {
AddTreeItem(document, active_languages_treeroot, str, tit);
} //if
} //for
}
function LangAlreadyActive(langId)
{
dump("*** LangAlreadyActive, PrefString: " + pref_string + "\n");
try {
if (pref_string.indexOf(langId) != -1)
return true;
else
return false;
}
catch(ex){
return false;
}
}
function AddAvailableLanguage()
{
var Languagename = new String();
var Languageid = new String();
//selected languages
for (var nodeIndex=0; nodeIndex < available_languages.selectedItems.length; nodeIndex++) {
var selItem = available_languages.selectedItems[nodeIndex];
var selRow = selItem.firstChild;
var selCell = selRow.firstChild;
Languagename = selCell.getAttribute('value');
Languageid = selCell.getAttribute('id');
already_active = false;
if (!LangAlreadyActive(Languageid)) {
AddTreeItem(window.opener.document, active_languages_treeroot, Languageid, Languagename);
}//if
} //loop selected languages
//user-defined languages
var otherField = document.getElementById( "languages.other" );
if (otherField.value) {
dump("Other field: " + otherField.value + "\n");
Languageid = otherField.value;
Languageid = Languageid.toLowerCase();
Languagename = GetLanguageTitle(Languageid);
already_active = false;
if (!LangAlreadyActive(Languageid)) {
AddTreeItem(window.opener.document, active_languages_treeroot, Languageid, Languagename);
}//if
}
available_languages.clearItemSelection();
window.close();
} //AddAvailableLanguage
function RemoveActiveLanguage()
{
var nextNode = null;
var numSelected = active_languages.selectedItems.length;
var deleted_all = false;
while (active_languages.selectedItems.length > 0) {
var selectedNode = active_languages.selectedItems[0];
nextNode = selectedNode.nextSibling;
if (!nextNode)
if (selectedNode.previousSibling)
nextNode = selectedNode.previousSibling;
var row = selectedNode.firstChild;
var cell = row.firstChild;
row.removeChild(cell);
selectedNode.removeChild(row);
active_languages_treeroot.removeChild(selectedNode);
} //while
if (nextNode) {
active_languages.selectItem(nextNode)
} else {
//active_languages.clearItemSelection();
}
UpdateSavePrefString();
} //RemoveActiveLanguage
function GetLanguageTitle(id)
{
if (availLanguageDict) for (j = 0; j < availLanguageDict.length; j++) {
if ( availLanguageDict[j][1] == id) {
//title =
dump("found title for:" + id + " ==> " + availLanguageDict[j][0] + "\n");
return availLanguageDict[j][0];
}
}
return '';
}
function AddTreeItem(doc, treeRoot, langID, langTitle)
{
try { //let's beef up our error handling for languages without label / title
// Create a treerow for the new Language
var item = doc.createElement('treeitem');
var row = doc.createElement('treerow');
var cell = doc.createElement('treecell');
// Copy over the attributes
cell.setAttribute('value', langTitle);
cell.setAttribute('id', langID);
// Add it to the active languages tree
item.appendChild(row);
row.appendChild(cell);
treeRoot.appendChild(item);
dump("*** Added tree item: " + langTitle + "\n");
} //try
catch (ex) {
dump("*** Failed to add item: " + langTitle + "\n");
} //catch
}
function UpdateSavePrefString()
{
var num_languages = 0;
pref_string = null;
dump("*** UpdateSavePrefString()\n");
for (var item = active_languages_treeroot.firstChild; item != null; item = item.nextSibling) {
row = item.firstChild;
cell = row.firstChild;
languageid = cell.getAttribute('id');
if (languageid.length > 1) {
num_languages++;
//separate >1 languages by commas
if (num_languages > 1) {
pref_string = pref_string + "," + " " + languageid;
} else {
pref_string = languageid;
} //if
} //if
}//for
dump("*** Pref string set to: " + pref_string + "\n");
parent.hPrefWindow.setPref( "string", "intl.accept_languages", pref_string );
//Save();
}
function Save()
{
dump('*** Save()\n');
try
{
var prefInt = null;
if (!prefInt) {
prefInt = Components.classes["component://netscape/preferences"];
if (prefInt) {
prefInt = prefInt.getService();
prefInt = prefInt.QueryInterface(Components.interfaces.nsIPref);
}
}
if (prefInt)
{
prefInt.SetCharPref("intl.accept_languages", pref_string);
dump('*** saved pref: ' + pref_string + '.\n');
}
}
catch(ex)
{
dump("*** Couldn't save!\n");
}
} //Save
function MoveUp() {
if (active_languages.selectedItems.length == 1) {
var selected = active_languages.selectedItems[0];
var before = selected.previousSibling
if (before) {
before.parentNode.insertBefore(selected, before);
active_languages.selectItem(selected);
active_languages.ensureElementIsVisible(selected);
}
}
UpdateSavePrefString();
} //MoveUp
function MoveDown() {
if (active_languages.selectedItems.length == 1) {
var selected = active_languages.selectedItems[0];
if (selected.nextSibling) {
if (selected.nextSibling.nextSibling) {
selected.parentNode.insertBefore(selected, selected.nextSibling.nextSibling);
}
else {
selected.parentNode.appendChild(selected);
}
active_languages.selectItem(selected);
}
}
UpdateSavePrefString();
} //MoveDown