RetroZilla/mailnews/base/prefs/resources/content/am-prefs.js
2015-10-20 23:03:22 -04:00

121 lines
4.3 KiB
JavaScript

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* functions for disabling front end elements when the appropriate
back-end preference is locked. */
var nsPrefBranch = null;
// Prefs in mailnews require dynamic portions to indicate
// which of multiple servers or identies. This function
// takes a string and a xul element.
// The string is a prefstring with a token %tokenname%.
// The xul element has an attribute of name |tokenname|
// whose value is substituted into the string and returned
// by the function.
// Any tokens which do not have associated attribute value
// are not substituted, and left in the string as-is.
function substPrefTokens(aStr, element)
{
var tokenpat = /%(\w+)%/;
var token;
var newprefstr = "";
var prefPartsArray = aStr.split(".");
/* here's a little loop that goes through
each part of the string separated by a dot, and
if any parts are of the form %string%, it will replace
them with the value of the attribute of that name from
the xul object */
for (var i=0; i< prefPartsArray.length; i++) {
token = prefPartsArray[i].match(tokenpat);
if (token) { /* we've got a %% match */
if (token[1]) {
if (element[token[1]]) {
newprefstr += element[token[1]] + "."; // here's where we get the info
} else { /* all we got was this stinkin % */
newprefstr += prefPartsArray[i] + ".";
}
}
} else /* if (token) */ {
newprefstr += prefPartsArray[i] + ".";
}
}
newprefstr = newprefstr.slice(0,-1); // remove the last char, a dot
if (newprefstr.length <=0 )
newprefstr = null;
return newprefstr;
}
// A simple function which given a xul element with
// the pref related attributes (pref, preftype, prefstring)
// return if the prefstring specified in that element is
// locked (true/false).
// If it does not have a valid prefstring, a false is returned.
function getAccountValueIsLocked(element)
{
var prefstr = "";
var preftype;
var prefval;
var prefstring;
if (!nsPrefBranch) {
var prefService = Components.classes["@mozilla.org/preferences-service;1"];
prefService = prefService.getService();
prefService = prefService.QueryInterface(Components.interfaces.nsIPrefService);
nsPrefBranch = prefService.getBranch(null);
}
prefstring = element.getAttribute("prefstring");
if (prefstring) {
preftype = element.getAttribute("preftype");
prefstr = substPrefTokens(prefstring, element);
// see if the prefstring is locked
if (prefstr) {
var bLocked=nsPrefBranch.prefIsLocked(prefstr);
return bLocked;
}
}
return false;
}