зеркало из https://github.com/mozilla/pjs.git
309 строки
8.0 KiB
JavaScript
309 строки
8.0 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//get prefInt services
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var availCharsetDict = [];
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var prefBranch = null; //Preferences Interface
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var pref_string_title = "";
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var pref_string_content = "";
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var pref_string_object = null;
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function Init()
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{
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var applicationArea = "";
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if ("arguments" in window && window.arguments[0])
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applicationArea = window.arguments[0];
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prefBranch = Components.classes["@mozilla.org/preferences-service;1"];
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if (prefBranch) {
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prefBranch = prefBranch.getService(Components.interfaces.nsIPrefBranch);
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if (applicationArea.indexOf("mail") != -1) {
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pref_string_title = "intl.charsetmenu.mailedit";
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} else {
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//default is the browser
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pref_string_title = "intl.charsetmenu.browser.static";
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}
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pref_string_object = prefBranch.getComplexValue(pref_string_title, Components.interfaces.nsIPrefLocalizedString)
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pref_string_content = pref_string_object.data;
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AddRemoveLatin1('add');
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}
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LoadAvailableCharSets();
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LoadActiveCharSets();
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}
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function readRDFString(aDS,aRes,aProp)
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{
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var n = aDS.GetTarget(aRes, aProp, true);
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if (n)
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return n.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
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else
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return "";
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}
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function LoadAvailableCharSets()
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{
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try {
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var available_charsets_listbox = document.getElementById('available_charsets');
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var rdf=Components.classes["@mozilla.org/rdf/rdf-service;1"].getService(Components.interfaces.nsIRDFService);
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var kNC_Root = rdf.GetResource("NC:DecodersRoot");
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var kNC_name = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");
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var rdfDataSource = rdf.GetDataSource("rdf:charset-menu");
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var rdfContainer =
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Components.classes["@mozilla.org/rdf/container;1"]
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.createInstance(Components.interfaces.nsIRDFContainer);
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rdfContainer.Init(rdfDataSource, kNC_Root);
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var availableCharsets = rdfContainer.GetElements();
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var charset;
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for (var i = 0; i < rdfContainer.GetCount(); i++) {
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charset = availableCharsets.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
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availCharsetDict[i] = new Array(2);
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availCharsetDict[i][0] = readRDFString(rdfDataSource, charset, kNC_name);
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availCharsetDict[i][1] = charset.Value;
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AddListItem(document,
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available_charsets_listbox,
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availCharsetDict[i][1],
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availCharsetDict[i][0]);
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}
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}
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catch (e) {}
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}
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function GetCharSetTitle(id)
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{
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if (availCharsetDict) {
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for (var j = 0; j < availCharsetDict.length; j++) {
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if (availCharsetDict[j][1] == id) {
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return availCharsetDict[j][0];
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}
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}
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}
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return '';
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}
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function AddRemoveLatin1(action)
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{
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var arrayOfPrefs = [];
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arrayOfPrefs = pref_string_content.split(', ');
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if (arrayOfPrefs.length > 0) {
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for (var i = 0; i < arrayOfPrefs.length; i++) {
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if (arrayOfPrefs[i] == 'ISO-8859-1') {
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if (action == 'remove') {
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arrayOfPrefs[i] = arrayOfPrefs[arrayOfPrefs.length-1];
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arrayOfPrefs.length = arrayOfPrefs.length - 1;
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}
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pref_string_content = arrayOfPrefs.join(', ');
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return;
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}
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}
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if (action == 'add') {
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arrayOfPrefs[arrayOfPrefs.length] = 'ISO-8859-1';
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pref_string_content = arrayOfPrefs.join(', ');
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}
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}
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}
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function LoadActiveCharSets()
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{
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var active_charsets = document.getElementById('active_charsets');
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var arrayOfPrefs = [];
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var str;
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var tit;
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arrayOfPrefs = pref_string_content.split(', ');
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if (arrayOfPrefs.length > 0) {
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for (var i = 0; i < arrayOfPrefs.length; i++) {
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str = arrayOfPrefs[i];
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tit = GetCharSetTitle(str);
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if (str && tit)
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AddListItem(document, active_charsets, str, tit);
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}
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}
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}
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function enable_save()
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{
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var save_button = document.documentElement.getButton("accept");
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save_button.removeAttribute('disabled');
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}
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function update_buttons()
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{
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var available_charsets = document.getElementById('available_charsets');
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var active_charsets = document.getElementById('active_charsets');
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var remove_button = document.getElementById('remove_button');
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var add_button = document.getElementById('add_button');
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var up_button = document.getElementById('up_button');
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var down_button = document.getElementById('down_button');
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var activeCharsetSelected = (active_charsets.selectedItems.length > 0);
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remove_button.disabled = !activeCharsetSelected;
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if (activeCharsetSelected) {
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up_button.disabled = !(active_charsets.selectedItems[0].previousSibling);
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down_button.disabled = !(active_charsets.selectedItems[0].nextSibling);
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}
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else {
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up_button.disabled = true;
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down_button.disabled = true;
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}
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add_button.disabled = (available_charsets.selectedItems.length == 0);
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}
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function AddAvailableCharset()
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{
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var active_charsets = document.getElementById('active_charsets');
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var available_charsets = document.getElementById('available_charsets');
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for (var nodeIndex=0; nodeIndex < available_charsets.selectedItems.length; nodeIndex++)
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{
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var selItem = available_charsets.selectedItems[nodeIndex];
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var charsetname = selItem.label;
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var charsetid = selItem.id;
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var already_active = false;
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for (var item = active_charsets.firstChild; item != null; item = item.nextSibling) {
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if (charsetid == item.id) {
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already_active = true;
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break;
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}//if
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}//for
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if (already_active == false) {
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AddListItem(document, active_charsets, charsetid, charsetname);
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}//if
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}//for
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available_charsets.clearSelection();
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enable_save();
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} //AddAvailableCharset
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function RemoveActiveCharset()
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{
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var listbox = document.getElementById('active_charsets');
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var numSelectedItems = listbox.selectedItems.length;
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for (var count = 0; count < numSelectedItems; count ++) {
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listbox.removeChild(listbox.selectedItems[0]);
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}
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listbox.clearSelection();
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enable_save();
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} //RemoveActiveCharset
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function Save()
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{
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// Iterate through the 'active charsets tree to collect the charsets
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// that the user has chosen.
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var active_charsets = document.getElementById('active_charsets');
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var charsetid = "";
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var num_charsets = 0;
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var pref_string_content = '';
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for (var item = active_charsets.firstChild; item != null; item = item.nextSibling) {
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charsetid = item.id;
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if (charsetid.length > 1) {
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num_charsets++;
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//separate >1 charsets by commas
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if (num_charsets > 1)
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pref_string_content = pref_string_content + ", " + charsetid;
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else
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pref_string_content = charsetid;
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}
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}
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try
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{
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if (prefBranch) {
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pref_string_object.data = pref_string_content;
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prefBranch.setComplexValue(pref_string_title, Components.interfaces.nsIPrefLocalizedString, pref_string_object);
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window.close();
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}
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}
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catch(ex) {
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confirm('exception' + ex);
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}
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return true;
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} //Save
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function MoveUp() {
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var listbox = document.getElementById('active_charsets');
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if (listbox.selectedItems.length == 1) {
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var selected = listbox.selectedItems[0];
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var before = selected.previousSibling
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if (before) {
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listbox.insertBefore(selected, before);
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listbox.selectItem(selected);
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listbox.ensureElementIsVisible(selected);
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}
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}
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enable_save();
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} //MoveUp
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function MoveDown() {
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var listbox = document.getElementById('active_charsets');
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if (listbox.selectedItems.length == 1) {
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var selected = listbox.selectedItems[0];
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if (selected.nextSibling) {
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if (selected.nextSibling.nextSibling)
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listbox.insertBefore(selected, selected.nextSibling.nextSibling);
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else
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selected.parentNode.appendChild(selected);
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listbox.selectItem(selected);
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}
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}
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enable_save();
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} //MoveDown
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function AddListItem(doc, listbox, ID, UIstring)
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{
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// Create a treerow for the new item
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var item = doc.createElement('listitem');
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// Copy over the attributes
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item.setAttribute('label', UIstring);
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item.setAttribute('id', ID);
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listbox.appendChild(item);
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}
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