gecko-dev/xpfe/components/prefwindow/resources/content/pref-charset.js

416 lines
10 KiB
JavaScript

//get prefInt services
var availCharsetList = [];
var activeCharsetList = [];
var availCharsetDict = [];
var ccm = null; //Charset Coverter Mgr.
var prefInt = null; //Preferences Interface
var pref_string_title = "";
var pref_string_content = "";
function Init()
{
doSetOKCancel(Save);
var applicationArea = "";
if ("arguments" in window && window.arguments[0])
applicationArea = window.arguments[0];
prefInt = Components.classes["@mozilla.org/preferences;1"];
if (prefInt) {
prefInt = prefInt.getService(Components.interfaces.nsIPref);
if (applicationArea.indexOf("mail") != -1) {
pref_string_title = "intl.charsetmenu.mailedit";
} else {
//default is the browser
pref_string_title = "intl.charsetmenu.browser.static";
}
pref_string_content = prefInt.getLocalizedUnicharPref(pref_string_title);
AddRemoveLatin1('add');
}
ccm = Components.classes['@mozilla.org/charset-converter-manager;1'];
if (ccm) {
ccm = ccm.getService(Components.interfaces.nsICharsetConverterManager2);
availCharsetList = ccm.GetDecoderList();
}
LoadAvailableCharSets();
LoadActiveCharSets();
}
function LoadAvailableCharSets()
{
var available_charsets = document.getElementById('available_charsets');
var available_charsets_treeroot = document.getElementById('available_charsets_root');
var atom;
var i;
var str;
var tit;
var visible;
if (availCharsetList) {
for (i = 0; i < availCharsetList.Count(); i++) {
atom = availCharsetList.GetElementAt(i);
atom = atom.QueryInterface(Components.interfaces.nsIAtom);
if (atom) {
str = atom.GetUnicode();
try {
tit = ccm.GetCharsetTitle(atom);
} catch (ex) {
//don't ignore charset detectors without a title
tit = str;
}
try {
visible = ccm.GetCharsetData(atom,'.notForBrowser');
visible = false;
} catch (ex) {
visible = true;
}
} //atom
if (str && tit) {
availCharsetDict[i] = new Array(2);
availCharsetDict[i][0] = tit;
availCharsetDict[i][1] = str;
availCharsetDict[i][2] = visible;
}
}
}
availCharsetDict.sort();
if (availCharsetDict) {
for (i = 0; i < availCharsetDict.length; i++) {
if (availCharsetDict[i][2]) {
AddTreeItem(document,
available_charsets_treeroot,
availCharsetDict[i][1],
availCharsetDict[i][0]);
} //if visible
}
}
}
function GetCharSetTitle(id)
{
if (availCharsetDict) {
for (var j = 0; j < availCharsetDict.length; j++) {
if (availCharsetDict[j][1] == id) {
return availCharsetDict[j][0];
}
}
}
return '';
}
function GetCharSetVisibility(id)
{
if (availCharsetDict) {
for (var j = 0; j < availCharsetDict.length; j++) {
if (availCharsetDict[j][1] == id)
return availCharsetDict[j][2];
}
}
return false;
}
function AddRemoveLatin1(action)
{
var arrayOfPrefs = [];
arrayOfPrefs = pref_string_content.split(', ');
if (arrayOfPrefs.length > 0) {
for (var i = 0; i < arrayOfPrefs.length; i++) {
if (arrayOfPrefs[i] == 'ISO-8859-1') {
if (action == 'remove') {
arrayOfPrefs[i] = arrayOfPrefs[arrayOfPrefs.length-1];
arrayOfPrefs.length = arrayOfPrefs.length - 1;
}
pref_string_content = arrayOfPrefs.join(', ');
return;
}
}
if (action == 'add') {
arrayOfPrefs[arrayOfPrefs.length] = 'ISO-8859-1';
pref_string_content = arrayOfPrefs.join(', ');
}
}
}
function LoadActiveCharSets()
{
var active_charsets = document.getElementById('active_charsets');
var active_charsets_treeroot = document.getElementById('active_charsets_root');
var arrayOfPrefs = [];
var str;
var tit;
var visible;
arrayOfPrefs = pref_string_content.split(', ');
if (arrayOfPrefs.length > 0) {
for (var i = 0; i < arrayOfPrefs.length; i++) {
str = arrayOfPrefs[i];
tit = GetCharSetTitle(str);
visible = GetCharSetVisibility(str);
if (!tit)
tit = str;
if (str && tit && visible) {
AddTreeItem(document, active_charsets_treeroot, str, tit);
} //if
} //for
}
}
function SelectAvailableCharset()
{
//Remove the selection in the active charsets list
var active_charsets = document.getElementById('active_charsets');
if (active_charsets.selectedItems.length > 0)
active_charsets.clearItemSelection();
update_buttons();
} //SelectAvailableCharset
function SelectActiveCharset()
{
//Remove the selection in the available charsets list
var available_charsets = document.getElementById('available_charsets');
if (available_charsets.selectedItems.length > 0)
available_charsets.clearItemSelection();
update_buttons();
} //SelectActiveCharset
function enable_save()
{
var save_button = document.getElementById('ok');
save_button.removeAttribute('disabled');
}
function update_buttons()
{
var available_charsets = document.getElementById('available_charsets');
var active_charsets = document.getElementById('active_charsets');
var remove_button = document.getElementById('remove_button');
var add_button = document.getElementById('add_button');
var up_button = document.getElementById('up_button');
var down_button = document.getElementById('down_button');
var activeCharsetSelected = (active_charsets.selectedItems.length > 0);
remove_button.disabled = !activeCharsetSelected;
if (activeCharsetSelected) {
up_button.disabled = !(active_charsets.selectedItems[0].previousSibling);
down_button.disabled = !(active_charsets.selectedItems[0].nextSibling);
}
else {
up_button.disabled = true;
down_button.disabled = true;
}
add_button.disabled = (available_charsets.selectedItems.length == 0);
}
function AddAvailableCharset()
{
var active_charsets = document.getElementById('active_charsets');
var active_charsets_treeroot = document.getElementById('active_charsets_root');
var available_charsets = document.getElementById('available_charsets');
for (var nodeIndex=0; nodeIndex < available_charsets.selectedItems.length; nodeIndex++)
{
var selItem = available_charsets.selectedItems[nodeIndex];
var selRow = selItem.firstChild;
var selCell = selRow.firstChild;
var charsetname = selCell.getAttribute('label');
var charsetid = selCell.getAttribute('id');
var already_active = false;
for (var item = active_charsets_treeroot.firstChild; item != null; item = item.nextSibling) {
var row = item.firstChild;
var cell = row.firstChild;
var active_charsetid = cell.getAttribute('id');
if (active_charsetid == charsetid)
{
already_active = true;
break;
}//if
}//for
if (already_active == false) {
AddTreeItem(document, active_charsets_treeroot, charsetid, charsetname);
}//if
}//for
available_charsets.clearItemSelection();
enable_save();
} //AddAvailableCharset
function RemoveActiveCharset()
{
var active_charsets_treeroot = document.getElementById('active_charsets_root');
var tree = document.getElementById('active_charsets');
var nextNode = null;
var numSelected = tree.selectedItems.length;
var deleted_all = false;
while (tree.selectedItems.length > 0) {
var selectedNode = tree.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_charsets_treeroot.removeChild(selectedNode);
} //while
if (nextNode) {
tree.selectItem(nextNode)
} else {
//tree.clearItemSelection();
}
enable_save();
} //RemoveActiveCharset
function Save()
{
// Iterate through the 'active charsets tree to collect the charsets
// that the user has chosen.
var active_charsets = document.getElementById('active_charsets');
var active_charsets_treeroot = document.getElementById('active_charsets_root');
var row = null;
var cell = null;
var charsetid = "";
var num_charsets = 0;
var pref_string_content = '';
for (var item = active_charsets_treeroot.firstChild; item != null; item = item.nextSibling) {
row = item.firstChild;
cell = row.firstChild;
charsetid = cell.getAttribute('id');
if (charsetid.length > 1) {
num_charsets++;
//separate >1 charsets by commas
if (num_charsets > 1)
pref_string_content = pref_string_content + ", " + charsetid;
else
pref_string_content = charsetid;
}
}
try
{
if (prefInt) {
prefInt.SetCharPref(pref_string_title, pref_string_content);
window.close();
}
}
catch(ex) {
confirm('exception' + ex);
}
} //Save
function MoveUp() {
var tree = document.getElementById('active_charsets');
if (tree.selectedItems.length == 1) {
var selected = tree.selectedItems[0];
var before = selected.previousSibling
if (before) {
before.parentNode.insertBefore(selected, before);
tree.selectItem(selected);
tree.ensureElementIsVisible(selected);
}
}
enable_save();
} //MoveUp
function MoveDown() {
var tree = document.getElementById('active_charsets');
if (tree.selectedItems.length == 1) {
var selected = tree.selectedItems[0];
if (selected.nextSibling) {
if (selected.nextSibling.nextSibling) {
selected.parentNode.insertBefore(selected, selected.nextSibling.nextSibling);
}
else {
selected.parentNode.appendChild(selected);
}
tree.selectItem(selected);
}
}
enable_save();
} //MoveDown
function AddTreeItem(doc, treeRoot, ID, UIstring)
{
// Create a treerow for the new item
var item = doc.createElement('treeitem');
var row = doc.createElement('treerow');
var cell = doc.createElement('treecell');
// Copy over the attributes
cell.setAttribute('label', UIstring);
cell.setAttribute('id', ID);
// Add it to the tree
item.appendChild(row);
row.appendChild(cell);
treeRoot.appendChild(item);
}