654 lines
22 KiB
JavaScript
654 lines
22 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; 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):
|
|
* Ian Oeschger <oeschger@brownhen.com> (Original Author)
|
|
* Peter Wilson (added sidebar tabs)
|
|
* R.J. Keller <rlk@trfenv.com>
|
|
*
|
|
* 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 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 ***** */
|
|
|
|
//-------- global variables
|
|
var helpBrowser;
|
|
var helpSearchPanel;
|
|
var emptySearch;
|
|
var emptySearchText
|
|
var emptySearchLink
|
|
var helpTocPanel;
|
|
var helpIndexPanel;
|
|
var helpGlossaryPanel;
|
|
|
|
// Namespaces
|
|
const NC = "http://home.netscape.com/NC-rdf#";
|
|
const SN = "rdf:http://www.w3.org/1999/02/22-rdf-syntax-ns#";
|
|
const XML = "http://www.w3.org/XML/1998/namespace#"
|
|
const MAX_LEVEL = 40; // maximum depth of recursion in search datasources.
|
|
|
|
// Resources
|
|
const RDF = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService(Components.interfaces.nsIRDFService);
|
|
const RDF_ROOT = RDF.GetResource("urn:root");
|
|
const NC_PANELLIST = RDF.GetResource(NC + "panellist");
|
|
const NC_PANELID = RDF.GetResource(NC + "panelid");
|
|
const NC_EMPTY_SEARCH_TEXT = RDF.GetResource(NC + "emptysearchtext");
|
|
const NC_EMPTY_SEARCH_LINK = RDF.GetResource(NC + "emptysearchlink");
|
|
const NC_DATASOURCES = RDF.GetResource(NC + "datasources");
|
|
const NC_SUBHEADINGS = RDF.GetResource(NC + "subheadings");
|
|
const NC_NAME = RDF.GetResource(NC + "name");
|
|
const NC_CHILD = RDF.GetResource(NC + "child");
|
|
const NC_LINK = RDF.GetResource(NC + "link");
|
|
const NC_TITLE = RDF.GetResource(NC + "title");
|
|
const NC_BASE = RDF.GetResource(NC + "base");
|
|
const NC_DEFAULTTOPIC = RDF.GetResource(NC + "defaulttopic");
|
|
|
|
const RDFCUtils = Components.classes["@mozilla.org/rdf/container-utils;1"].getService(Components.interfaces.nsIRDFContainerUtils);
|
|
var RDFContainer = Components.classes["@mozilla.org/rdf/container;1"].createInstance(Components.interfaces.nsIRDFContainer);
|
|
const CONSOLE_SERVICE = Components.classes['@mozilla.org/consoleservice;1'].getService(Components.interfaces.nsIConsoleService);
|
|
|
|
var RE;
|
|
|
|
var helpFileURI;
|
|
var helpFileDS;
|
|
// Set from nc:base attribute on help rdf file. It may be used for prefix reduction on all links within
|
|
// the current help set.
|
|
var helpBaseURI;
|
|
|
|
const defaultHelpFile = "chrome://help/locale/mozillahelp.rdf";
|
|
// Set from nc:defaulttopic. It is used when the requested uri has no topic specified.
|
|
var defaultTopic = "welcome";
|
|
var searchDatasources = "rdf:null";
|
|
var searchDS = null;
|
|
|
|
const NSRESULT_RDF_SYNTAX_ERROR = 0x804e03f7;
|
|
|
|
// This function is called by dialogs/windows that want to display context-sensitive help
|
|
// These dialogs/windows should include the script chrome://help/content/contextHelp.js
|
|
function displayTopic(topic) {
|
|
// Use default topic if topic is not specified.
|
|
if (!topic)
|
|
topic = defaultTopic;
|
|
|
|
// Get the help page to open.
|
|
var uri = getLink(topic);
|
|
|
|
// Use default topic if specified topic is not found.
|
|
if (!uri) // Topic not found - revert to default.
|
|
uri = getLink(defaultTopic);
|
|
loadURI(uri);
|
|
}
|
|
|
|
// Initialize the Help window
|
|
function init() {
|
|
//cache panel references.
|
|
helpSearchPanel = document.getElementById("help-search-panel");
|
|
helpTocPanel = document.getElementById("help-toc-panel");
|
|
helpIndexPanel = document.getElementById("help-index-panel");
|
|
helpGlossaryPanel = document.getElementById("help-glossary-panel");
|
|
helpBrowser = document.getElementById("help-content");
|
|
|
|
// Get the help content pack, base URL, and help topic
|
|
var helpTopic = defaultTopic;
|
|
if ("arguments" in window && window.arguments[0] instanceof Components.interfaces.nsIDialogParamBlock) {
|
|
helpFileURI = window.arguments[0].GetString(0);
|
|
helpBaseURI = helpFileURI.substring(0, helpFileURI.lastIndexOf("/")+1); // trailing "/" included.
|
|
helpTopic = window.arguments[0].GetString(1);
|
|
}
|
|
|
|
loadHelpRDF();
|
|
|
|
displayTopic(helpTopic);
|
|
|
|
// Initalize History.
|
|
var sessionHistory = Components.classes["@mozilla.org/browser/shistory;1"]
|
|
.createInstance(Components.interfaces.nsISHistory);
|
|
|
|
window.XULBrowserWindow = new nsHelpStatusHandler();
|
|
|
|
//Start the status handler.
|
|
window.XULBrowserWindow.init();
|
|
|
|
// Hook up UI through Progress Listener
|
|
const interfaceRequestor = helpBrowser.docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
|
|
const webProgress = interfaceRequestor.getInterface(Components.interfaces.nsIWebProgress);
|
|
webProgress.addProgressListener(window.XULBrowserWindow, Components.interfaces.nsIWebProgress.NOTIFY_ALL);
|
|
|
|
//Always show the Table of Contents sidebar at startup.
|
|
showPanel('help-toc');
|
|
}
|
|
|
|
function loadHelpRDF() {
|
|
if (!helpFileDS) {
|
|
try {
|
|
helpFileDS = RDF.GetDataSourceBlocking(helpFileURI);
|
|
}
|
|
catch (e if (e.result == NSRESULT_RDF_SYNTAX_ERROR)) {
|
|
log("Help file: " + helpFileURI + " contains a syntax error.");
|
|
}
|
|
catch (e) {
|
|
log("Help file: " + helpFileURI + " was not found.");
|
|
}
|
|
try {
|
|
document.title = getAttribute(helpFileDS, RDF_ROOT, NC_TITLE, "");
|
|
helpBaseURI = getAttribute(helpFileDS, RDF_ROOT, NC_BASE, helpBaseURI);
|
|
defaultTopic = getAttribute(helpFileDS, RDF_ROOT, NC_DEFAULTTOPIC, "welcome");
|
|
|
|
var panelDefs = helpFileDS.GetTarget(RDF_ROOT, NC_PANELLIST, true);
|
|
RDFContainer.Init(helpFileDS, panelDefs);
|
|
var iterator = RDFContainer.GetElements();
|
|
while (iterator.hasMoreElements()) {
|
|
var panelDef = iterator.getNext();
|
|
var panelID = getAttribute(helpFileDS, panelDef, NC_PANELID, null);
|
|
|
|
var datasources = getAttribute(helpFileDS, panelDef, NC_DATASOURCES, "rdf:none");
|
|
datasources = normalizeLinks(helpBaseURI, datasources);
|
|
// cache additional datsources to augment search datasources.
|
|
if (panelID == "search") {
|
|
emptySearchText = getAttribute(helpFileDS, panelDef, NC_EMPTY_SEARCH_TEXT, "No search items found.");
|
|
emptySearchLink = getAttribute(helpFileDS, panelDef, NC_EMPTY_SEARCH_LINK, "about:blank");
|
|
searchDatasources = datasources;
|
|
datasources = "rdf:null"; // but don't try to display them yet!
|
|
}
|
|
|
|
// cache toc datasources for use by ID lookup.
|
|
var tree = document.getElementById("help-" + panelID + "-panel");
|
|
loadDatabasesBlocking(datasources);
|
|
tree.setAttribute("datasources", datasources);
|
|
}
|
|
}
|
|
catch (e) {
|
|
log(e + "");
|
|
}
|
|
}
|
|
}
|
|
|
|
function loadDatabasesBlocking(datasources) {
|
|
var ds = datasources.split(/\s+/);
|
|
for (var i=0; i < ds.length; ++i) {
|
|
if (ds[i] == "rdf:null" || ds[i] == "")
|
|
continue;
|
|
try {
|
|
// we need blocking here to ensure the database is loaded so getLink(topic) works.
|
|
var datasource = RDF.GetDataSourceBlocking(ds[i]);
|
|
}
|
|
catch (e) {
|
|
log("Datasource: " + ds[i] + " was not found.");
|
|
}
|
|
}
|
|
}
|
|
|
|
// prepend helpBaseURI to list of space separated links if the don't start with "chrome:"
|
|
function normalizeLinks(helpBaseURI, links) {
|
|
if (!helpBaseURI)
|
|
return links;
|
|
var ls = links.split(/\s+/);
|
|
if (ls.length == 0)
|
|
return links;
|
|
for (var i=0; i < ls.length; ++i) {
|
|
if (ls[i] == "")
|
|
continue;
|
|
if (ls[i].substr(0,7) != "chrome:" && ls[i].substr(0,4) != "rdf:")
|
|
ls[i] = helpBaseURI + ls[i];
|
|
}
|
|
return ls.join(" ");
|
|
}
|
|
|
|
function getLink(ID) {
|
|
if (!ID)
|
|
return null;
|
|
// Note resources are stored in fileURL#ID format.
|
|
// We have one possible source for an ID for each datasource in the composite datasource.
|
|
// The first ID which matches is returned.
|
|
var tocTree = document.getElementById("help-toc-panel");
|
|
var tocDS = tocTree.database;
|
|
if (tocDS == null)
|
|
return null;
|
|
var tocDatasources = tocTree.getAttribute("datasources");
|
|
var ds = tocDatasources.split(/\s+/);
|
|
for (var i=0; i < ds.length; ++i) {
|
|
if (ds[i] == "rdf:null" || ds[i] == "")
|
|
continue;
|
|
try {
|
|
var rdfID = ds[i] + "#" + ID;
|
|
var resource = RDF.GetResource(rdfID);
|
|
if (resource) {
|
|
var link = tocDS.GetTarget(resource, NC_LINK, true);
|
|
if (link) {
|
|
link = link.QueryInterface(Components.interfaces.nsIRDFLiteral);
|
|
if (link)
|
|
return link.Value;
|
|
else
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
catch (e) { log(rdfID + " " + e);}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
// Called by contextHelp.js to determine if this window is displaying the requested help file.
|
|
function getHelpFileURI() {
|
|
return helpFileURI;
|
|
}
|
|
|
|
|
|
function getWebNavigation()
|
|
{
|
|
return helpBrowser.webNavigation;
|
|
}
|
|
|
|
function loadURI(uri)
|
|
{
|
|
if (uri.substr(0,7) != "chrome:")
|
|
uri = helpBaseURI + uri;
|
|
const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
|
|
getWebNavigation().loadURI(uri, nsIWebNavigation.LOAD_FLAGS_NONE, null, null, null);
|
|
}
|
|
|
|
function goBack()
|
|
{
|
|
var webNavigation = getWebNavigation();
|
|
if (webNavigation.canGoBack)
|
|
webNavigation.goBack();
|
|
}
|
|
|
|
function goForward()
|
|
{
|
|
var webNavigation = getWebNavigation();
|
|
if (webNavigation.canGoForward)
|
|
webNavigation.goForward();
|
|
}
|
|
|
|
function goHome() {
|
|
// load "Welcome" page
|
|
displayTopic(defaultTopic);
|
|
}
|
|
|
|
function print()
|
|
{
|
|
try {
|
|
content.print();
|
|
} catch (e) {
|
|
}
|
|
}
|
|
|
|
function createBackMenu(event)
|
|
{
|
|
return FillHistoryMenu(event.target, "back");
|
|
}
|
|
|
|
function createForwardMenu(event)
|
|
{
|
|
return FillHistoryMenu(event.target, "forward");
|
|
}
|
|
|
|
function gotoHistoryIndex(aEvent)
|
|
{
|
|
var index = aEvent.target.getAttribute("index");
|
|
if (!index)
|
|
return false;
|
|
try {
|
|
getWebNavigation().gotoIndex(index);
|
|
}
|
|
catch(ex) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function nsHelpStatusHandler()
|
|
{
|
|
}
|
|
|
|
nsHelpStatusHandler.prototype =
|
|
{
|
|
onStateChange : function(aWebProgress, aRequest, aStateFlags, aStatus)
|
|
{
|
|
const nsIWebProgressListener = Components.interfaces.nsIWebProgressListener;
|
|
|
|
// Turn on the throbber.
|
|
if (aStateFlags & nsIWebProgressListener.STATE_START)
|
|
this.throbberElement.setAttribute("busy", "true");
|
|
else if (aStateFlags & nsIWebProgressListener.STATE_STOP)
|
|
this.throbberElement.removeAttribute("busy");
|
|
},
|
|
onStatusChange : function(aWebProgress, aRequest, aStateFlags, aStatus) {},
|
|
onProgressChange : function(aWebProgress, aRequest, aCurSelfProgress,
|
|
aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress) {},
|
|
onSecurityChange : function(aWebProgress, aRequest, state) {},
|
|
onLocationChange : function(aWebProgress, aRequest, aLocation)
|
|
{
|
|
UpdateBackForwardButtons();
|
|
},
|
|
QueryInterface : function(aIID)
|
|
{
|
|
if (aIID.equals(Components.interfaces.nsIWebProgressListener) ||
|
|
aIID.equals(Components.interfaces.nsISupportsWeakReference) ||
|
|
aIID.equals(Components.interfaces.nsIXULBrowserWindow) ||
|
|
aIID.equals(Components.interfaces.nsISupports))
|
|
return this;
|
|
throw Components.results.NS_NOINTERFACE;
|
|
},
|
|
|
|
init : function()
|
|
{
|
|
this.throbberElement = document.getElementById("navigator-throbber");
|
|
},
|
|
|
|
destroy : function()
|
|
{
|
|
//this is needed to avoid memory leaks, see bug 60729
|
|
this.throbberElement = null;
|
|
},
|
|
|
|
setJSStatus : function(status) {},
|
|
setJSDefaultStatus : function(status) {},
|
|
setOverLink : function(link) {}
|
|
}
|
|
|
|
function UpdateBackForwardButtons()
|
|
{
|
|
var backBroadcaster = document.getElementById("canGoBack");
|
|
var forwardBroadcaster = document.getElementById("canGoForward");
|
|
var webNavigation = getWebNavigation();
|
|
|
|
// Avoid setting attributes on broadcasters if the value hasn't changed!
|
|
// Remember, guys, setting attributes on elements is expensive! They
|
|
// get inherited into anonymous content, broadcast to other widgets, etc.!
|
|
// Don't do it if the value hasn't changed! - dwh
|
|
|
|
var backDisabled = (backBroadcaster.getAttribute("disabled") == "true");
|
|
var forwardDisabled = (forwardBroadcaster.getAttribute("disabled") == "true");
|
|
|
|
if (backDisabled == webNavigation.canGoBack)
|
|
backBroadcaster.setAttribute("disabled", !backDisabled);
|
|
|
|
if (forwardDisabled == webNavigation.canGoForward)
|
|
forwardBroadcaster.setAttribute("disabled", !forwardDisabled);
|
|
}
|
|
|
|
var gFindInstData;
|
|
function getFindInstData()
|
|
{
|
|
if (!gFindInstData) {
|
|
gFindInstData = new nsFindInstData();
|
|
gFindInstData.browser = helpBrowser;
|
|
// defaults for rootSearchWindow and currentSearchWindow are fine here
|
|
}
|
|
return gFindInstData;
|
|
}
|
|
|
|
function find(again, reverse)
|
|
{
|
|
if (again)
|
|
findAgainInPage(getFindInstData(), reverse);
|
|
else
|
|
findInPage(getFindInstData())
|
|
}
|
|
|
|
function getMarkupDocumentViewer()
|
|
{
|
|
return helpBrowser.markupDocumentViewer;
|
|
}
|
|
|
|
//Show the selected sidebar panel
|
|
function showPanel(panelId) {
|
|
//hide other sidebar panels and show the panel name taken in from panelID.
|
|
helpSearchPanel.setAttribute("hidden", "true");
|
|
helpTocPanel.setAttribute("hidden", "true");
|
|
helpIndexPanel.setAttribute("hidden", "true");
|
|
helpGlossaryPanel.setAttribute("hidden", "true");
|
|
var thePanel = document.getElementById(panelId + "-panel");
|
|
thePanel.setAttribute("hidden","false");
|
|
|
|
//remove the selected style from the previous panel selected.
|
|
document.getElementById("help-glossary-btn").removeAttribute("selected");
|
|
document.getElementById("help-index-btn").removeAttribute("selected");
|
|
document.getElementById("help-search-btn").removeAttribute("selected");
|
|
document.getElementById("help-toc-btn").removeAttribute("selected");
|
|
|
|
//add the selected style to the correct panel.
|
|
var theButton = document.getElementById(panelId + "-btn");
|
|
theButton.setAttribute("selected", "true");
|
|
document.commandDispatcher.advanceFocusIntoSubtree(theButton);
|
|
}
|
|
|
|
function onselect_loadURI(tree) {
|
|
var row = tree.currentIndex;
|
|
if (row >= 0) {
|
|
var resource = tree.view.getResourceAtIndex(row);
|
|
var link = tree.database.GetTarget(resource, NC_LINK, true);
|
|
if (link instanceof Components.interfaces.nsIRDFLiteral && link.Value)
|
|
loadURI(link.Value);
|
|
}
|
|
}
|
|
|
|
function doFind() {
|
|
var searchTree = document.getElementById("help-search-tree");
|
|
var findText = document.getElementById("findText");
|
|
|
|
// clear any previous results.
|
|
clearDatabases(searchTree.database);
|
|
|
|
// split search string into separate terms and compile into regexp's
|
|
RE = findText.value.split(/\s+/);
|
|
for (var i=0; i < RE.length; ++i) {
|
|
if (RE[i] == "")
|
|
continue;
|
|
RE[i] = new RegExp(RE[i], "i");
|
|
}
|
|
emptySearch = true;
|
|
// search TOC
|
|
var resultsDS = Components.classes["@mozilla.org/rdf/datasource;1?name=in-memory-datasource"].createInstance(Components.interfaces.nsIRDFDataSource);
|
|
var tree = document.getElementById("help-toc-panel");
|
|
var sourceDS = tree.database;
|
|
doFindOnDatasource(resultsDS, sourceDS, RDF_ROOT, 0);
|
|
|
|
// search additional search datasources
|
|
if (searchDatasources != "rdf:null") {
|
|
if (!searchDS)
|
|
searchDS = loadCompositeDS(searchDatasources);
|
|
doFindOnDatasource(resultsDS, searchDS, RDF_ROOT, 0);
|
|
}
|
|
|
|
// search index.
|
|
tree = document.getElementById("help-index-panel");
|
|
sourceDS = tree.database;
|
|
if (!sourceDS) // If the index has never been displayed this will be null.
|
|
sourceDS = loadCompositeDS(tree.datasources);
|
|
doFindOnDatasource(resultsDS, sourceDS, RDF_ROOT, 0);
|
|
|
|
// search glossary.
|
|
tree = document.getElementById("help-glossary-panel");
|
|
sourceDS = tree.database;
|
|
if (!sourceDS) // If the glossary has never been displayed this will be null (sigh!).
|
|
sourceDS = loadCompositeDS(tree.datasources);
|
|
doFindOnDatasource(resultsDS, sourceDS, RDF_ROOT, 0);
|
|
|
|
if (emptySearch)
|
|
assertSearchEmpty(resultsDS);
|
|
// Add the datasource to the search tree
|
|
searchTree.database.AddDataSource(resultsDS);
|
|
searchTree.builder.rebuild();
|
|
}
|
|
|
|
function doEnabling() {
|
|
var findButton = document.getElementById("findButton");
|
|
var findTextbox = document.getElementById("findText");
|
|
findButton.disabled = !findTextbox.value;
|
|
}
|
|
|
|
function clearDatabases(compositeDataSource) {
|
|
var enumDS = compositeDataSource.GetDataSources()
|
|
while (enumDS.hasMoreElements()) {
|
|
var ds = enumDS.getNext();
|
|
compositeDataSource.RemoveDataSource(ds);
|
|
}
|
|
}
|
|
|
|
function doFindOnDatasource(resultsDS, sourceDS, resource, level) {
|
|
if (level > MAX_LEVEL) {
|
|
try {
|
|
log("Recursive reference to resource: " + resource.Value + ".");
|
|
}
|
|
catch (e) {
|
|
log("Recursive reference to unknown resource.");
|
|
}
|
|
return;
|
|
}
|
|
// find all SUBHEADING children of current resource.
|
|
var targets = sourceDS.GetTargets(resource, NC_SUBHEADINGS, true);
|
|
while (targets.hasMoreElements()) {
|
|
var target = targets.getNext();
|
|
target = target.QueryInterface(Components.interfaces.nsIRDFResource);
|
|
// The first child of a rdf:subheading should (must) be a rdf:seq.
|
|
// Should we test for a SEQ here?
|
|
doFindOnSeq(resultsDS, sourceDS, target, level+1);
|
|
}
|
|
}
|
|
|
|
function doFindOnSeq(resultsDS, sourceDS, resource, level) {
|
|
// load up an RDFContainer so we can access the contents of the current rdf:seq.
|
|
RDFContainer.Init(sourceDS, resource);
|
|
var targets = RDFContainer.GetElements();
|
|
while (targets.hasMoreElements()) {
|
|
var target = targets.getNext();
|
|
var link = sourceDS.GetTarget(target, NC_LINK, true);
|
|
var name = sourceDS.GetTarget(target, NC_NAME, true);
|
|
name = name.QueryInterface(Components.interfaces.nsIRDFLiteral);
|
|
if (link && isMatch(name.Value)) {
|
|
// we have found a search entry - add it to the results datasource.
|
|
var urn = RDF.GetAnonymousResource();
|
|
resultsDS.Assert(urn, NC_NAME, name, true);
|
|
resultsDS.Assert(urn, NC_LINK, link, true);
|
|
resultsDS.Assert(RDF_ROOT, NC_CHILD, urn, true);
|
|
emptySearch = false;
|
|
}
|
|
// process any nested rdf:seq elements.
|
|
doFindOnDatasource(resultsDS, sourceDS, target, level+1);
|
|
}
|
|
}
|
|
|
|
function assertSearchEmpty(resultsDS) {
|
|
var resSearchEmpty = RDF.GetResource("urn:emptySearch");
|
|
resultsDS.Assert(RDF_ROOT,
|
|
NC_CHILD,
|
|
resSearchEmpty,
|
|
true);
|
|
resultsDS.Assert(resSearchEmpty,
|
|
NC_NAME,
|
|
RDF.GetLiteral(emptySearchText),
|
|
true);
|
|
resultsDS.Assert(resSearchEmpty,
|
|
NC_LINK,
|
|
RDF.GetLiteral(emptySearchLink),
|
|
true);
|
|
}
|
|
|
|
function isMatch(text) {
|
|
for (var i=0; i < RE.length; ++i ) {
|
|
if (!RE[i].test(text))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function loadCompositeDS(datasources) {
|
|
// We can't search on each individual datasource's - only the aggregate (for each sidebar tab)
|
|
// has the appropriate structure.
|
|
var compositeDS = Components.classes["@mozilla.org/rdf/datasource;1?name=composite-datasource"]
|
|
.createInstance(Components.interfaces.nsIRDFCompositeDataSource);
|
|
|
|
var ds = datasources.split(/\s+/);
|
|
for (var i=0; i < ds.length; ++i) {
|
|
if (ds[i] == "rdf:null" || ds[i] == "")
|
|
continue;
|
|
try {
|
|
// we need blocking here to ensure the database is loaded.
|
|
var sourceDS = RDF.GetDataSourceBlocking(ds[i]);
|
|
compositeDS.AddDataSource(sourceDS);
|
|
}
|
|
catch (e) {
|
|
log("Datasource: " + ds[i] + " was not found.");
|
|
}
|
|
}
|
|
return compositeDS;
|
|
}
|
|
|
|
function getAttribute(datasource, resource, attributeResourceName, defaultValue) {
|
|
var literal = datasource.GetTarget(resource, attributeResourceName, true);
|
|
return literal instanceof Components.interfaces.nsIRDFLiteral ? literal.Value : defaultValue;
|
|
}
|
|
// Write debug string to javascript console.
|
|
function log(aText) {
|
|
CONSOLE_SERVICE.logStringMessage(aText);
|
|
}
|
|
|
|
|
|
//INDEX OPENING FUNCTION -- called in oncommand for index pane
|
|
// iterate over all the items in the outliner;
|
|
// open the ones at the top-level (i.e., expose the headings underneath
|
|
// the letters in the list.
|
|
function displayIndex() {
|
|
var treeview = helpIndexPanel.view;
|
|
var i = treeview.rowCount;
|
|
while (i--)
|
|
if (!treeview.getLevel(i) && !treeview.isContainerOpen(i))
|
|
treeview.toggleOpenState(i);
|
|
}
|
|
|
|
// Shows the panel relative to the currently selected panel.
|
|
// Takes a boolean parameter - if true it will show the next panel,
|
|
// otherwise it will show the previous panel.
|
|
function showRelativePanel(goForward) {
|
|
var selectedIndex = -1;
|
|
var sidebarBox = document.getElementById("helpsidebar-box");
|
|
var sidebarButtons = new Array();
|
|
for (var i = 0; i < sidebarBox.childNodes.length; i++) {
|
|
var btn = sidebarBox.childNodes[i];
|
|
if (btn.nodeName == "toolbarbutton") {
|
|
if (btn.getAttribute("selected") == "true")
|
|
selectedIndex = sidebarButtons.length;
|
|
sidebarButtons.push(btn);
|
|
}
|
|
}
|
|
if (selectedIndex == -1)
|
|
return;
|
|
selectedIndex += goForward ? 1 : -1;
|
|
if (selectedIndex >= sidebarButtons.length)
|
|
selectedIndex = 0;
|
|
else if (selectedIndex < 0)
|
|
selectedIndex = sidebarButtons.length - 1;
|
|
sidebarButtons[selectedIndex].doCommand();
|
|
}
|