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104 lines
4.0 KiB
JavaScript
104 lines
4.0 KiB
JavaScript
# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is Mozilla Application Suite.
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#
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# The Initial Developer of the Original Code is
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# Ian Oeschger.
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# Portions created by the Initial Developer are Copyright (C) 2003
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Brant Gurganus <brantgurganus2001@cherokeescouting.org>
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# Jeff Walden <jwalden+code@mit.edu>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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# Set the default content pack to the Mozilla content pack. Use the
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# setHelpFileURI function to set this value.
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var helpFileURI;
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# openHelp - Opens up the Mozilla Help Viewer with the specified
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# topic and content pack.
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# see http://www.mozilla.org/projects/help-viewer/content_packs.html
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function openHelp(topic, contentPack)
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{
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# helpFileURI is the content pack to use in this function. If contentPack is defined,
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# use that and set the helpFileURI to that value so that it will be the default.
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helpFileURI = contentPack || helpFileURI;
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# Try to find previously opened help.
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var topWindow = locateHelpWindow(helpFileURI);
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if ( topWindow ) {
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# Open topic in existing window.
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topWindow.focus();
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topWindow.displayTopic(topic);
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} else {
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# Open topic in new window.
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const params = Components.classes["@mozilla.org/embedcomp/dialogparam;1"]
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.createInstance(Components.interfaces.nsIDialogParamBlock);
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params.SetNumberStrings(2);
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params.SetString(0, helpFileURI);
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params.SetString(1, topic);
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const ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
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.getService(Components.interfaces.nsIWindowWatcher);
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#ifdef XP_WIN
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#define HELP_ALWAYS_RAISED_TOGGLE
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#endif
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#ifdef HELP_ALWAYS_RAISED_TOGGLE
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ww.openWindow(null, "chrome://help/content/help.xul", "_blank", "chrome,all,alwaysRaised,dialog=no", params);
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#else
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ww.openWindow(null, "chrome://help/content/help.xul", "_blank", "chrome,all,dialog=no", params);
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#endif
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}
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}
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# setHelpFileURI - Sets the default content pack to use in the Help Viewer
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function setHelpFileURI(rdfURI)
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{
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helpFileURI = rdfURI;
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}
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# Locate existing help window for this content pack.
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function locateHelpWindow(contentPack) {
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const windowManagerInterface = Components
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.classes['@mozilla.org/appshell/window-mediator;1'].getService()
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.QueryInterface(Components.interfaces.nsIWindowMediator);
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const iterator = windowManagerInterface.getEnumerator("mozilla:help");
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var topWindow = null;
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var aWindow;
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# Loop through help windows looking for one with selected content
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# pack.
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while (iterator.hasMoreElements()) {
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aWindow = iterator.getNext();
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if (aWindow.getHelpFileURI() == contentPack) {
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topWindow = aWindow;
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}
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}
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return topWindow;
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}
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