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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- * The contents of this file are subject to the Netscape 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/NPL/
- *
- * 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 Netscape are
- * Copyright (C) 1998-1999 Netscape Communications Corporation. All
- * Rights Reserved.
- */
-
-
- /* 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;
-
- if (!nsPrefBranch) {
- var prefService = Components.classes["@mozilla.org/preferences-service;1"];
- prefService = prefService.getService();
- prefService = prefService.QueryInterface(Components.interfaces.nsIPrefService);
-
- nsPrefBranch = prefService.getBranch(null);
- }
-
-
- if (element.getAttribute("pref") == "true" ) {
- preftype = element.getAttribute("preftype");
- prefstring = element.getAttribute("prefstring");
- prefstr = substPrefTokens(prefstring, element);
- // see if the prefstring is locked
- if (prefstr) {
- var bLocked=nsPrefBranch.prefIsLocked(prefstr);
- return bLocked;
- }
- }
- return false;
- }
-
-