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tubestation/xpfe/components/regviewer/regviewer.js

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4.5 KiB
JavaScript

/* -*- Mode: Java; tab-width: 4; c-basic-offset: 4; -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
Script for the registry viewer window
*/
var RDF = Components.classes['@mozilla.org/rdf/rdf-service;1'].getService();
RDF = RDF.QueryInterface(Components.interfaces.nsIRDFService);
var Registry;
var REGISTRY_NAMESPACE_URI = 'urn:mozilla-registry:'
var REGISTRY_VALUE_PREFIX = REGISTRY_NAMESPACE_URI + 'value:';
var kRegistry_Subkeys = RDF.GetResource(REGISTRY_NAMESPACE_URI + 'subkeys');
function debug(msg)
{
//dump(msg + '\n');
}
function OnLoad()
{
Registry = Components.classes['@mozilla.org/registry-viewer;1'].createInstance();
Registry = Registry.QueryInterface(Components.interfaces.nsIRegistryDataSource);
Registry.openWellKnownRegistry(Registry.ApplicationComponentRegistry);
Registry = Registry.QueryInterface(Components.interfaces.nsIRDFDataSource);
var tree = document.getElementById('tree');
tree.database.AddDataSource(Registry);
tree.setAttribute('ref', 'urn:mozilla-registry:key:/');
}
function OnSelect(event)
{
var tree = event.target;
var items = tree.selectedItems;
var properties = document.getElementById('properties');
if (properties.firstChild) {
properties.removeChild(properties.firstChild);
}
if (items.length == 1) {
// Exactly one item is selected. Show as much information as we
// can about it.
var table = document.createElement('html:table');
debug('selected item = ' + items[0].getAttribute('id'));
var uri = items[0].getAttribute('id');
var source = RDF.GetResource(uri);
var arcs = Registry.ArcLabelsOut(source);
while (arcs.hasMoreElements()) {
var property = arcs.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
if (property == kRegistry_Subkeys)
continue;
var propstr = property.Value.substr(REGISTRY_VALUE_PREFIX.length);
debug('propstr = ' + propstr);
var target = Registry.GetTarget(source, property, true);
var targetstr;
var literal;
literal = target.QueryInterface(Components.interfaces.nsIRDFLiteral);
if (literal) {
targetstr = literal.Value;
}
else {
literal = target.QueryInterface(Components.interfaces.nsIRDFInt)
if (literal) {
targetstr = literal.Value;
}
else {
// Hmm. Not sure!
}
}
debug('targetstr = ' + targetstr);
var tr = document.createElement('html:tr');
table.appendChild(tr);
var td1 = document.createElement('html:td');
td1.appendChild(document.createTextNode(propstr));
tr.appendChild(td1);
var td2 = document.createElement('html:td');
td2.appendChild(document.createTextNode(targetstr));
tr.appendChild(td2);
}
properties.appendChild(table);
}
}