1 /* ***** BEGIN LICENSE BLOCK *****
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 *
4 * The contents of this file are subject to the Mozilla Public License Version
5 * 1.1 (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 * http://www.mozilla.org/MPL/
8 *
9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
12 * License.
13 *
14 * The Original Code is Lightning code.
15 *
16 * The Initial Developer of the Original Code is Oracle Corporation
17 * Portions created by the Initial Developer are Copyright (C) 2005
18 * the Initial Developer. All Rights Reserved.
19 *
20 * Contributor(s):
21 * Vladimir Vukicevic <vladimir@pobox.com>
22 * Mike Shaver <shaver@mozilla.org>
23 * Joey Minta <jminta@gmail.com>
24 *
25 * Alternatively, the contents of this file may be used under the terms of
26 * either the GNU General Public License Version 2 or later (the "GPL"), or
27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
29 * of those above. If you wish to allow use of your version of this file only
30 * under the terms of either the GPL or the LGPL, and not to allow others to
31 * use your version of this file under the terms of the MPL, indicate your
32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
36 *
37 * ***** END LICENSE BLOCK ***** */
38
ltnCreateInstance
39 function ltnCreateInstance(cid, iface) {
40 if (!iface)
41 iface = "nsISupports";
42 try {
43 return Components.classes[cid].createInstance(Components.interfaces[iface]);
44 } catch(e) {
45 dump("#### ltnCreateInstance failed for: " + cid + "\n");
46 var frame = Components.stack;
47 for (var i = 0; frame && (i < 4); i++) {
48 dump(i + ": " + frame + "\n");
49 frame = frame.caller;
50 }
51 throw e;
52 }
53 }
54
ltnGetService
55 function ltnGetService(cid, iface) {
56 if (!iface)
57 iface = "nsISupports";
58 try {
59 return Components.classes[cid].getService(Components.interfaces[iface]);
60 } catch(e) {
61 dump("#### ltnGetService failed for: " + cid + "\n");
62 var frame = Components.stack;
63 for (var i = 0; frame && (i < 4); i++) {
64 dump(i + ": " + frame + "\n");
65 frame = frame.caller;
66 }
67 throw e;
68 }
69 }
70
71 var atomSvc;
ltnGetAtom
72 function ltnGetAtom(str) {
73 if (!atomSvc) {
74 atomSvc = ltnGetService("@mozilla.org/atom-service;1", "nsIAtomService");
75 }
76
77 return atomSvc.getAtom(str);
78 }
79
80 var CalDateTime = new Components.Constructor("@mozilla.org/calendar/datetime;1",
81 Components.interfaces.calIDateTime);
82
83 // Use these functions, since setting |element.collapsed = true| is NOT reliable
collapseElement
84 function collapseElement(element) {
85 element.style.visibility = "collapse";
86 }
87
uncollapseElement
88 function uncollapseElement(element) {
89 element.style.visibility = "";
90 }
91
92 function updateUndoRedoMenu() {
93 //XXX give Lightning some undo/redo UI!
94 }
95
96 /**
97 * Gets the value of a string in a .properties file
98 *
99 * @param aBundleName the name of the properties file. It is assumed that the
100 * file lives in chrome://lightning/locale/
101 * @param aStringName the name of the string within the properties file
102 */
ltnGetString
103 function ltnGetString(aBundleName, aStringName)
104 {
105 var sbs = Components.classes["@mozilla.org/intl/stringbundle;1"]
106 .getService(Components.interfaces.nsIStringBundleService);
107 var props = sbs.createBundle("chrome://lightning/locale/"+aBundleName+".properties");
108 return props.GetStringFromName(aStringName);
109 }