зеркало из https://github.com/mozilla/gecko-dev.git
712 строки
23 KiB
JavaScript
712 строки
23 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-1999 Netscape Communications Corporation. All
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* Rights Reserved.
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* Contributor(s):
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* Original author: oeschger@netscape.com
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* amended by: Peter Wilson (added sidebar tabs) */
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//-------- global variables
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var helpBrowser;
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var helpWindow;
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var helpSearchPanel;
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var emptySearch;
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var emptySearchText
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var emptySearchLink
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var helpTocPanel;
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var helpIndexPanel;
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var helpGlossaryPanel;
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// Namespaces
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const NC = "http://home.netscape.com/NC-rdf#";
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const SN = "rdf:http://www.w3.org/1999/02/22-rdf-syntax-ns#";
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const XML = "http://www.w3.org/XML/1998/namespace#"
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const MAX_LEVEL = 40; // maximum depth of recursion in search datasources.
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// Resources
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var RDF = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService(Components.interfaces.nsIRDFService);
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var RDF_ROOT = RDF.GetResource("urn:root");
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var NC_PANELLIST = RDF.GetResource(NC + "panellist");
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var NC_PANELID = RDF.GetResource(NC + "panelid");
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var NC_EMPTY_SEARCH_TEXT = RDF.GetResource(NC + "emptysearchtext");
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var NC_EMPTY_SEARCH_LINK = RDF.GetResource(NC + "emptysearchlink");
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var NC_DATASOURCES = RDF.GetResource(NC + "datasources");
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var NC_SUBHEADINGS = RDF.GetResource(NC + "subheadings");
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var NC_NAME = RDF.GetResource(NC + "name");
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var NC_CHILD = RDF.GetResource(NC + "child");
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var NC_LINK = RDF.GetResource(NC + "link");
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var NC_TITLE = RDF.GetResource(NC + "title");
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var NC_BASE = RDF.GetResource(NC + "base");
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var NC_DEFAULTTOPIC = RDF.GetResource(NC + "defaulttopic");
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var RDFCUtils = Components.classes["@mozilla.org/rdf/container-utils;1"].getService().
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QueryInterface(Components.interfaces.nsIRDFContainerUtils);
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var RDFContainer = Components.classes["@mozilla.org/rdf/container;1"].getService(Components.interfaces.nsIRDFContainer);
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var CONSOLE_SERVICE = Components.classes['@mozilla.org/consoleservice;1'].getService(Components.interfaces.nsIConsoleService);
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var urnID = 0;
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var RE;
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var helpFileURI;
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var helpFileDS;
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// Set from nc:base attribute on help rdf file. It may be used for prefix reduction on all links within
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// the current help set.
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var helpBaseURI;
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const defaultHelpFile = "chrome://help/locale/mozillahelp.rdf";
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// Set from nc:defaulttopic. It is used when the requested uri has no topic specified.
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var defaultTopic = "welcome";
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var searchDatasources = "rdf:null";
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var searchDS = null;
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const NSRESULT_RDF_SYNTAX_ERROR = 0x804e03f7;
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// This function is called by dialogs/windows that want to display context-sensitive help
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// These dialogs/windows should include the script chrome://help/content/contextHelp.js
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function displayTopic(topic) {
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if (!topic)
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topic = defaultTopic;
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var uri = getLink(topic);
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if (!uri) // Topic not found - revert to default.
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uri = getLink(defaultTopic);
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loadURI(uri);
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}
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// Initialize the Help window
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function init() {
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//cache panel references.
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helpWindow = document.getElementById("help");
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helpSearchPanel = document.getElementById("help-search-panel");
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helpTocPanel = document.getElementById("help-toc-tree");
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helpIndexPanel = document.getElementById("help-index-tree");
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helpGlossaryPanel = document.getElementById("help-glossary-tree");
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helpBrowser = document.getElementById("help-content");
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var URI = normalizeURI(decodeURIComponent(window.location.search));
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helpFileURI = URI.helpFileURI;
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var helpTopic = URI.topic;
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helpBaseURI = helpFileURI.substring(0, helpFileURI.lastIndexOf("/")+1); // trailing "/" included.
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loadHelpRDF();
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displayTopic(helpTopic);
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// move to right end of screen
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var width = document.documentElement.getAttribute("width");
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var height = document.documentElement.getAttribute("height");
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window.moveTo(screen.availWidth-width, (screen.availHeight-height)/2);
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var sessionHistory = Components.classes["@mozilla.org/browser/shistory;1"]
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.createInstance(Components.interfaces.nsISHistory);
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getWebNavigation().sessionHistory = sessionHistory;
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window.XULBrowserWindow = new nsHelpStatusHandler();
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// hook up UI through progress listener
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var interfaceRequestor = helpBrowser.docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
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var webProgress = interfaceRequestor.getInterface(Components.interfaces.nsIWebProgress);
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webProgress.addProgressListener(window.XULBrowserWindow, Components.interfaces.nsIWebProgress.NOTIFY_ALL);
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}
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function normalizeURI(uri) {
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// uri in format [uri of help rdf file][?initial topic]
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// if the whole uri or help file uri is omitted then the default help is assumed.
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// unpack uri
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var URI = {};
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URI.helpFileURI = defaultHelpFile;
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URI.topic = null;
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// Case: No help uri at all.
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if (uri) {
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// remove leading ?
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if (uri.substr(0,1) == "?")
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uri = uri.substr(1);
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var i = uri.indexOf("?");
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// Case: Full uri with topic.
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if ( i != -1) {
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URI.helpFileURI = uri.substr(0,i);
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URI.topic = uri.substr(i+1);
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}
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else {
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// Case: uri with no topic.
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if (uri.substr(0,7) == "chrome:")
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URI.helpFileURI = uri;
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else {
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// Case: uri with topic only.
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URI.topic = uri;
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}
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}
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}
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URI.uri = URI.helpFileURI + ((URI.topic)? "?" + URI.topic : "");
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return URI;
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}
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function loadHelpRDF() {
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if (!helpFileDS) {
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try {
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helpFileDS = RDF.GetDataSourceBlocking(helpFileURI);
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}
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catch (e if (e.result == NSRESULT_RDF_SYNTAX_ERROR)) {
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log("Help file: " + helpFileURI + " contains a syntax error.");
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}
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catch (e) {
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log("Help file: " + helpFileURI + " was not found.");
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}
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try {
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helpWindow.setAttribute("title", getAttribute(helpFileDS, RDF_ROOT, NC_TITLE, ""));
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helpBaseURI = getAttribute(helpFileDS, RDF_ROOT, NC_BASE, helpBaseURI);
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defaultTopic = getAttribute(helpFileDS, RDF_ROOT, NC_DEFAULTTOPIC, "welcome");
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var panelDefs = helpFileDS.GetTarget(RDF_ROOT, NC_PANELLIST, true);
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RDFContainer.Init(helpFileDS, panelDefs);
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var iterator = RDFContainer.GetElements();
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while (iterator.hasMoreElements()) {
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var panelDef = iterator.getNext();
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var panelID = getAttribute(helpFileDS, panelDef, NC_PANELID, null);
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var datasources = getAttribute(helpFileDS, panelDef, NC_DATASOURCES, "rdf:none");
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datasources = normalizeLinks(helpBaseURI, datasources);
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// cache additional datsources to augment search datasources.
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if (panelID == "search") {
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emptySearchText = getAttribute(helpFileDS, panelDef, NC_EMPTY_SEARCH_TEXT, null) || "No search items found." ;
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emptySearchLink = getAttribute(helpFileDS, panelDef, NC_EMPTY_SEARCH_LINK, null) || "about:blank";
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searchDatasources = datasources;
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datasources = "rdf:null"; // but don't try to display them yet!
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}
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// cache toc datasources for use by ID lookup.
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var tree = document.getElementById("help-" + panelID + "-tree");
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tree.setAttribute("datasources", datasources);
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//if (panelID == "toc") {
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if (tree.database) {
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loadDatabases(tree.database, datasources);
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tree.builder.rebuild();
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}
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//}
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}
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}
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catch (e) {
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log(e + "");
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}
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}
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}
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function loadDatabases(compositeDatabase, datasources) {
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var ds = datasources.split(/\s+/);
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for (var i=0; i < ds.length; ++i) {
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if (ds[i] == "rdf:null" || ds[i] == "")
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continue;
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try {
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// we need blocking here to ensure the database is loaded so getLink(topic) works.
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var datasource = RDF.GetDataSourceBlocking(ds[i]);
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if (datasource)
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compositeDatabase.AddDataSource(datasource);
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}
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catch (e) {
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log("Datasource: " + ds[i] + " was not found.");
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}
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}
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}
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// prepend helpBaseURI to list of space separated links if the don't start with "chrome:"
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function normalizeLinks(helpBaseURI, links) {
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if (!helpBaseURI)
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return links;
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var ls = links.split(/\s+/);
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if (ls.length == 0)
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return links;
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for (var i=0; i < ls.length; ++i) {
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if (ls[i] == "")
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continue;
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if (ls[i].substr(0,7) != "chrome:" && ls[i].substr(0,4) != "rdf:")
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ls[i] = helpBaseURI + ls[i];
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}
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return ls.join(" ");
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}
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function getLink(ID) {
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if (!ID)
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return null;
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// Note resources are stored in fileURL#ID format.
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// We have one possible source for an ID for each datasource in the composite datasource.
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// The first ID which matches is returned.
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var tocTree = document.getElementById("help-toc-tree");
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tocDS = tocTree.database;
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if (tocDS == null)
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return null;
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var tocDatasources = tocTree.getAttribute("datasources");
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var ds = tocDatasources.split(/\s+/);
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for (var i=0; i < ds.length; ++i) {
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if (ds[i] == "rdf:null" || ds[i] == "")
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continue;
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try {
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var rdfID = ds[i] + "#" + ID;
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var resource = RDF.GetResource(rdfID);
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if (resource) {
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var link = tocDS.GetTarget(resource, NC_LINK, true);
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if (link) {
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link = link.QueryInterface(Components.interfaces.nsIRDFLiteral);
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if (link)
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return link.Value;
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else
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return null;
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}
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}
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}
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catch (e) { log(rdfID + " " + e);}
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}
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return null;
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}
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// Called by contextHelp.js to determine if this window is displaying the requested help file.
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function getHelpFileURI() {
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return helpFileURI;
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}
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function getWebNavigation()
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{
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return helpBrowser.webNavigation;
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}
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function loadURI(uri)
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{
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if (uri.substr(0,7) != "chrome:")
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uri = helpBaseURI + uri;
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const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
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getWebNavigation().loadURI(uri, nsIWebNavigation.LOAD_FLAGS_NONE, null, null, null);
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}
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function goBack()
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{
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var webNavigation = getWebNavigation();
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if (webNavigation.canGoBack)
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webNavigation.goBack();
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}
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function goForward()
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{
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var webNavigation = getWebNavigation();
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if (webNavigation.canGoForward)
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webNavigation.goForward();
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}
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function goHome() {
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// load "Welcome" page
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displayTopic(defaultTopic);
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}
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function print()
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{
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try {
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_content.print();
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} catch (e) {
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}
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}
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function createBackMenu(event)
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{
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return FillHistoryMenu(event.target, "back");
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}
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function createForwardMenu(event)
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{
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return FillHistoryMenu(event.target, "forward");
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}
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function gotoHistoryIndex(aEvent)
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{
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var index = aEvent.target.getAttribute("index");
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if (!index)
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return false;
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try {
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getWebNavigation().gotoIndex(index);
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}
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catch(ex) {
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return false;
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}
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return true;
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}
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function BrowserBack()
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{
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try {
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getWebNavigation().goBack();
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}
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catch(ex) {
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}
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UpdateBackForwardButtons();
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}
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function BrowserForward()
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{
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try {
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getWebNavigation().goForward();
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}
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catch(ex) {
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}
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UpdateBackForwardButtons();
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}
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function nsHelpStatusHandler()
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{
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}
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nsHelpStatusHandler.prototype =
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{
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onStateChange : function(aWebProgress, aRequest, aStateFlags, aStatus) {},
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onProgressChange : function(aWebProgress, aRequest, aCurSelfProgress,
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aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress) {},
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onSecurityChange : function(aWebProgress, aRequest, state) {},
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onLocationChange : function(aWebProgress, aRequest, aLocation)
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{
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UpdateBackForwardButtons();
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},
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QueryInterface : function(aIID)
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{
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if (aIID.equals(Components.interfaces.nsIWebProgressListener) ||
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aIID.equals(Components.interfaces.nsISupportsWeakReference) ||
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aIID.equals(Components.interfaces.nsIXULBrowserWindow) ||
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aIID.equals(Components.interfaces.nsISupports))
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return this;
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throw Components.results.NS_NOINTERFACE;
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},
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setJSStatus : function(status) {},
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setJSDefaultStatus : function(status) {},
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setOverLink : function(link) {}
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}
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function UpdateBackForwardButtons()
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{
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var backBroadcaster = document.getElementById("canGoBack");
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var forwardBroadcaster = document.getElementById("canGoForward");
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var webNavigation = getWebNavigation();
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// Avoid setting attributes on broadcasters if the value hasn't changed!
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// Remember, guys, setting attributes on elements is expensive! They
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// get inherited into anonymous content, broadcast to other widgets, etc.!
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// Don't do it if the value hasn't changed! - dwh
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var backDisabled = (backBroadcaster.getAttribute("disabled") == "true");
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var forwardDisabled = (forwardBroadcaster.getAttribute("disabled") == "true");
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if (backDisabled == webNavigation.canGoBack)
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backBroadcaster.setAttribute("disabled", !backDisabled);
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if (forwardDisabled == webNavigation.canGoForward)
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forwardBroadcaster.setAttribute("disabled", !forwardDisabled);
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}
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function find(again, reverse)
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{
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var focusedWindow = document.commandDispatcher.focusedWindow;
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if (!focusedWindow || focusedWindow == window)
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focusedWindow = window._content;
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if (again)
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findAgainInPage(helpBrowser, window._content, focusedWindow, reverse);
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else
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findInPage(helpBrowser, window._content, focusedWindow)
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}
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function getMarkupDocumentViewer()
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{
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return helpBrowser.markupDocumentViewer;
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}
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function BrowserReload()
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{
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const reloadFlags = Components.interfaces.nsIWebNavigation.LOAD_FLAGS_NONE;
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return BrowserReloadWithFlags(reloadFlags);
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}
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function BrowserReloadWithFlags(reloadFlags)
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{
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try {
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/* Need to get SessionHistory from docshell so that
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* reload on framed pages will work right. This
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* method should not be used for the context menu item "Reload frame".
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* "Reload frame" should directly call into docshell as it does right now
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*/
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var sh = getWebNavigation().sessionHistory;
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var webNav = sh.QueryInterface(Components.interfaces.nsIWebNavigation);
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webNav.reload(reloadFlags);
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}
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catch(ex) {
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}
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}
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// doc=null for regular page info, doc=owner document for frame info
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function BrowserPageInfo(doc)
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{
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window.openDialog("chrome://navigator/content/pageInfo.xul",
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"_blank",
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"chrome,dialog=no",
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doc);
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}
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function BrowserViewSource()
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{
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var focusedWindow = document.commandDispatcher.focusedWindow;
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if (focusedWindow == window)
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focusedWindow = _content;
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if (focusedWindow)
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var docCharset = "charset=" + focusedWindow.document.characterSet;
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BrowserViewSourceOfURL(_content.location, docCharset);
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}
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function BrowserViewSourceOfURL(url, charset)
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{
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// try to open a view-source window while inheriting the charset (if any)
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openDialog("chrome://navigator/content/viewSource.xul",
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"_blank",
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"scrollbars,resizable,chrome,dialog=no",
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url, charset);
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}
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//Show the selected sidebar panel
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function showPanel(panelId) {
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helpSearchPanel.setAttribute("hidden", "true");
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helpTocPanel.setAttribute("hidden", "true");
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helpIndexPanel.setAttribute("hidden", "true");
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helpGlossaryPanel.setAttribute("hidden", "true");
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var thePanel = document.getElementById(panelId);
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thePanel.setAttribute("hidden","false");
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}
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function onselect_loadURI(tree, columnName) {
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try {
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var row = tree.treeBoxObject.view.selection.currentIndex;
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var properties = Components.classes["@mozilla.org/supports-array;1"].createInstance(Components.interfaces.nsISupportsArray);
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tree.treeBoxObject.view.getCellProperties(row, columnName, properties);
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if (!properties) return;
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var uri = getPropertyValue(properties, "link-");
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if (uri)
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loadURI(uri);
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}
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catch (e) {}// when switching between tabs a spurious row number is returned.
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}
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/** Search properties nsISupportsArray for an nsIAtom which starts with the given property name. **/
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function getPropertyValue(properties, propName) {
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for (var i=0; i< properties.Count(); ++i) {
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var atom = properties.GetElementAt(i).QueryInterface(Components.interfaces.nsIAtom);
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var atomValue = atom.GetUnicode();
|
|
if (atomValue.substr(0, propName.length) == propName)
|
|
return atomValue.substr(propName.length);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
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;
|
|
if (RE[i].length > 3) {
|
|
RE[i] = new RegExp(RE[i].substring(0, RE[i].length-1) +"\w?", "i");
|
|
} else {
|
|
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-tree");
|
|
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 glossary.
|
|
tree = document.getElementById("help-glossary-tree");
|
|
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();
|
|
target = target.QueryInterface(Components.interfaces.nsIRDFResource);
|
|
var name = sourceDS.GetTarget(target, NC_NAME, true);
|
|
name = name.QueryInterface(Components.interfaces.nsIRDFLiteral);
|
|
|
|
if (isMatch(name.Value)) {
|
|
// we have found a search entry - add it to the results datasource.
|
|
|
|
// Get URL of html for this entry.
|
|
var link = sourceDS.GetTarget(target, NC_LINK, true);
|
|
link = link.QueryInterface(Components.interfaces.nsIRDFLiteral);
|
|
|
|
urnID++;
|
|
resultsDS.Assert(RDF_ROOT,
|
|
RDF.GetResource("http://home.netscape.com/NC-rdf#child"),
|
|
RDF.GetResource("urn:" + urnID),
|
|
true);
|
|
resultsDS.Assert(RDF.GetResource("urn:" + urnID),
|
|
RDF.GetResource("http://home.netscape.com/NC-rdf#name"),
|
|
name,
|
|
true);
|
|
resultsDS.Assert(RDF.GetResource("urn:" + urnID),
|
|
RDF.GetResource("http://home.netscape.com/NC-rdf#link"),
|
|
link,
|
|
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);
|
|
if (!literal)
|
|
return defaultValue;
|
|
return getLiteralValue(literal, defaultValue);
|
|
}
|
|
|
|
function getLiteralValue(literal, defaultValue) {
|
|
if (literal) {
|
|
literal = literal.QueryInterface(Components.interfaces.nsIRDFLiteral);
|
|
if (literal)
|
|
return literal.Value;
|
|
}
|
|
if (defaultValue)
|
|
return defaultValue;
|
|
return null;
|
|
}
|
|
// 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);
|
|
}
|
|
|