RetroZilla/xpfe/components/search/resources/search-panel.js

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2015-10-21 05:03:22 +02:00
/* -*- 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.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):
* Robert John Churchill <rjc@netscape.com> (Original Author)
* Peter Annema <disttsc@bart.nl>
* Blake Ross <blakeross@telocity.com>
* Ben Goodger <ben@netscape.com>
* Rob Ginda <rginda@netscape.com>
* Steve Lamm <slamm@netscape.com>
* Samir Gehani <sgehani@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 ***** */
const ISEARCH_CONTRACTID = "@mozilla.org/rdf/datasource;1?name=internetsearch";
const RDFSERVICE_CONTRACTID = "@mozilla.org/rdf/rdf-service;1";
const BMARKS_CONTRACTID = "@mozilla.org/browser/bookmarks-service;1";
const nsIBookmarksService = Components.interfaces.nsIBookmarksService;
const nsIRDFService = Components.interfaces.nsIRDFService;
const nsIRDFLiteral = Components.interfaces.nsIRDFLiteral;
const nsIRDFDataSource = Components.interfaces.nsIRDFDataSource;
const nsIRDFRemoteDataSource = Components.interfaces.nsIRDFRemoteDataSource;
const nsIInternetSearchService = Components.interfaces.nsIInternetSearchService;
const DEBUG = false;
var debug;
if (!DEBUG)
{
debug = function(msg) {};
}
else
{
debug = function(msg)
{
dump("\t ^^^ search-panel.js: " + msg + "\n");
};
}
var rootNode;
var textArc;
var modeArc;
var searchBundle;
var regionalBundle;
var gSearchButtonText = null;
var gStopButtonText = null;
var sidebarInitiatedSearch = false;
var RDF_observer =
{
onAssert : function(ds, src, prop, target)
{
if (src == rootNode) {
if (prop == textArc)
rememberSearchText(target);
else if (prop == modeArc)
updateSearchMode();
}
},
onUnassert : function(ds, src, prop, target)
{
},
onChange : function(ds, src, prop, old_target, new_target)
{
if (src == rootNode) {
if (prop == textArc)
rememberSearchText(new_target);
else if (prop == modeArc)
updateSearchMode();
}
},
onMove : function(ds, old_src, new_src, prop, target)
{
},
onBeginUpdateBatch : function(ds)
{
},
onEndUpdateBatch : function(ds)
{
}
}
function rememberSearchText(target)
{
if (sidebarInitiatedSearch) {
// this avoids updating the sidebar textbox twice
return;
}
if (target) {
target = target.QueryInterface(nsIRDFLiteral).Value;
if (target) {
// convert plusses (+) back to spaces
target = target.replace(/\+/g, " ");
var textNode = document.getElementById("sidebar-search-text");
if (target != textNode.value) {
// category is unknown, therefore use "All Engines"
var categoryPopup = document.getElementById( "categoryPopup" );
var categoryList = document.getElementById( "categoryList" );
if (categoryPopup && categoryList) {
categoryList.selectedItem = categoryPopup.childNodes[0];
}
}
textNode.value = decodeURIComponent(target);
doEnabling();
}
}
// show the results tab
switchTab(0);
}
function getIndexToSelect(haveDefault, defaultEngine, enginePopup)
{
if (haveDefault)
{
// iterate over constrained engine list for a default engine match
for (var i = 0; i < enginePopup.childNodes.length; ++i)
{
if (enginePopup.childNodes[i].id == defaultEngine)
{
// found match with default engine!
return i;
}
}
}
return 0; // default to first engine at index '0'
}
function getMinVer()
{
var minVerStr = nsPreferences.
copyUnicharPref("browser.search.basic.min_ver");
var minVer = parseFloat(minVerStr);
if (isNaN(minVer))
minVer = 0; // no pref or not a number so default to min ver 0.0
debug("Float value of minVer = " + minVer);
return minVer;
}
/**
* Constrain the list of engines to only those that
* contain ver >= browser.search.basic.min_ver pref
* value to be displayed in the basic popup list of
* engines.
*/
function constrainBasicList()
{
debug("constrainBasicList");
var basicEngineMenu = document.getElementById("basicEngineMenu");
if (!basicEngineMenu)
{
debug("Ack! basicEngineList is empty!");
return;
}
var basicEngines = basicEngineMenu.childNodes[1];
var len = basicEngines.childNodes.length;
var currDesc;
var currVer;
var haveDefault = false;
debug("Found " + len + " sherlock plugins.");
var defaultEngine = nsPreferences.
copyUnicharPref("browser.search.defaultengine");
// we constrain the basic list to all engines with ver >= minVer
var minVer = getMinVer();
for (var i = 0; i < len; ++i)
{
currDesc = basicEngines.childNodes[i].getAttribute("desc");
debug("Engine[" + i + "] = " + currDesc);
// make sure we leave the default engine (check if we already have
// the default to avoid duplicates)
if (basicEngines.childNodes[i].id == defaultEngine && !haveDefault)
{
haveDefault = true;
}
else
{
// remove if not a basic engine
currVer = basicEngines.childNodes[i].getAttribute("ver");
if (!currVer || isNaN(parseFloat(currVer)))
{
// missing version attr or not a number: default to ver 1.0
currVer = 1;
}
debug("Version of " + (currDesc ? currDesc : "<unknown>") +
" is: " + currVer);
if (parseFloat(currVer) < minVer)
{
try
{
basicEngines.removeChild(basicEngines.childNodes[i]);
--i;
--len;
}
catch (ex)
{
debug("Exception: Couldn't remove " + currDesc +
" from engine list!");
}
}
}
}
// mark selected engine
var selected = getIndexToSelect(haveDefault, defaultEngine, basicEngines);
basicEngineMenu.selectedItem = basicEngines.childNodes[selected];
}
function updateSearchMode()
{
debug("updateSearchMode");
var searchMode = nsPreferences.getIntPref("browser.search.mode");
var categoryBox = document.getElementById("categoryBox");
var basicBox = document.getElementById("basicBox");
debug("search mode is " + searchMode);
if (searchMode == 0)
{
categoryBox.setAttribute("collapsed", "true");
basicBox.removeAttribute("collapsed");
switchTab(0);
constrainBasicList();
}
else
{
categoryBox.removeAttribute("collapsed");
basicBox.setAttribute("collapsed", "true");
switchTab(1);
}
return searchMode;
}
function readRDFString(aDS,aRes,aProp) {
var n = aDS.GetTarget(aRes, aProp, true);
if (n)
return n.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
return null;
}
function ensureDefaultEnginePrefs(aRDF,aDS)
{
var prefbranch = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
var defaultName = prefbranch.getComplexValue("browser.search.defaultenginename",
Components.interfaces.nsIPrefLocalizedString).data;
var kNC_Root = aRDF.GetResource("NC:SearchEngineRoot");
var kNC_child = aRDF.GetResource("http://home.netscape.com/NC-rdf#child");
var kNC_Name = aRDF.GetResource("http://home.netscape.com/NC-rdf#Name");
var arcs = aDS.GetTargets(kNC_Root, kNC_child, true);
while (arcs.hasMoreElements()) {
var engineRes = arcs.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
var name = readRDFString(aDS, engineRes, kNC_Name);
if (name == defaultName)
prefbranch.setCharPref("browser.search.defaultengine", engineRes.Value);
}
}
function AskChangeDefaultEngine(aSelectedEngine)
{
const kDontAskAgainPref = "browser.search.set_default.dont_ask_again";
const kDefaultEnginePref = "browser.search.defaultengine";
// don't prompt user if selection is same as old default engine
var oldDefault = nsPreferences.copyUnicharPref(kDefaultEnginePref);
if (aSelectedEngine.getAttribute("value") == oldDefault)
return;
// check "don't ask again" pref
var dontAskAgain = nsPreferences.getBoolPref(kDontAskAgainPref, false);
var change = false; // should we change the default engine?
// if "don't ask again" pref was set
if (dontAskAgain)
{
change = true;
}
else
{
// prompt user if we should change their default engine
var promptSvc = Components.
classes["@mozilla.org/embedcomp/prompt-service;1"].
getService(Components.interfaces.nsIPromptService);
if (!promptSvc)
return;
var title = searchBundle.getString("changeEngineTitle");
var dontAskAgainMsg = searchBundle.getString("dontAskAgainMsg");
var engineName = aSelectedEngine.getAttribute("label");
if (!engineName || engineName == "")
engineName = searchBundle.getString("thisEngine");
var changeEngineMsg = searchBundle.stringBundle.formatStringFromName(
"changeEngineMsg", [engineName], 1);
var checkbox = {value:0};
var choice = promptSvc.confirmEx(window, title, changeEngineMsg,
(promptSvc.BUTTON_TITLE_YES * promptSvc.BUTTON_POS_0) +
(promptSvc.BUTTON_TITLE_NO * promptSvc.BUTTON_POS_1),
null, null, null, dontAskAgainMsg, checkbox);
if (choice == 0)
change = true;
// store "don't ask again" pref from checkbox value (if changed)
debug("dontAskAgain: " + dontAskAgain);
debug("checkbox.value: " + checkbox.value);
if (checkbox.value != dontAskAgain)
nsPreferences.setBoolPref(kDontAskAgainPref, checkbox.value);
}
// if confirmed true, i.e., change default engine, then set pref
if (change)
nsPreferences.setUnicharPref(kDefaultEnginePref, aSelectedEngine.value);
disableNavButtons();
}
function disableNavButtons()
{
var nextButton = document.getElementById("next-results");
var prevButton = document.getElementById("prev-results");
if (nextButton && nextButton.getAttribute("disabled") != "true")
nextButton.setAttribute("disabled", "true");
if (prevButton && prevButton.getAttribute("disabled") != "true")
prevButton.setAttribute("disabled", "true");
}
function ensureSearchPref()
{
var rdf = Components.classes["@mozilla.org/rdf/rdf-service;1"]
.getService(Components.interfaces.nsIRDFService);
var prefbranch = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
var ds = rdf.GetDataSource("rdf:internetsearch");
var kNC_Name = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");
var defaultEngine;
try {
defaultEngine = prefbranch.getCharPref("browser.search.defaultengine");
} catch(ex) {
ensureDefaultEnginePrefs(rdf, ds);
defaultEngine = prefbranch.getCharPref("browser.search.defaultengine");
}
}
// Initialize the Search panel:
// 1) init the category list
// 2) load the search engines associated with this category
// 3) initialize the checked state of said engines
function SearchPanelStartup()
{
searchBundle = document.getElementById("searchBundle");
var rdf = Components.classes[RDFSERVICE_CONTRACTID].getService(nsIRDFService);
rootNode = rdf.GetResource("NC:LastSearchRoot", true);
textArc = rdf.GetResource("http://home.netscape.com/NC-rdf#LastText", true);
modeArc = rdf.GetResource("http://home.netscape.com/NC-rdf#SearchMode", true);
ensureSearchPref()
var resultList = document.getElementById("resultList");
resultList.database.AddObserver(RDF_observer);
var categoryList = document.getElementById("categoryList");
var internetSearch = Components.classes[ISEARCH_CONTRACTID].getService(nsIInternetSearchService);
var catDS = internetSearch.GetCategoryDataSource();
if (catDS) {
catDS = catDS.QueryInterface(nsIRDFDataSource);
categoryList.database.AddDataSource(catDS);
categoryList.builder.rebuild();
var engineList = document.getElementById("searchengines");
engineList.database.AddDataSource(catDS);
engineList.builder.rebuild();
engineList.addEventListener("CheckboxStateChange", saveEngine, false);
}
// try and determine last category name used
var lastCategoryName = nsPreferences.copyUnicharPref("browser.search.last_search_category", "");
if (lastCategoryName) {
// strip off the prefix if necessary
var prefix = "NC:SearchCategory?category=";
if (lastCategoryName.indexOf(prefix) == 0)
lastCategoryName = lastCategoryName.substr(prefix.length);
}
// select the appropriate category
var categoryPopup = document.getElementById("categoryPopup");
var found = false;
for (var i = 0; i < categoryPopup.childNodes.length; ++i) {
if (lastCategoryName == "" &&
categoryPopup.childNodes[i].getAttribute("value") == "NC:SearchEngineRoot" ||
categoryPopup.childNodes[i].getAttribute("id") == lastCategoryName)
{
categoryList.selectedItem = categoryPopup.childNodes[i];
found = true;
break;
}
}
if (!found)
categoryList.selectedItem = categoryPopup.childNodes[0];
if (!lastCategoryName)
lastCategoryName = "NC:SearchEngineRoot";
else if (lastCategoryName != "NC:SearchEngineRoot")
lastCategoryName = "NC:SearchCategory?category=" + lastCategoryName;
var treeNode = document.getElementById("searchengines");
treeNode.setAttribute("ref", lastCategoryName);
loadEngines(lastCategoryName);
// if we have search results, show them, otherwise show engines
if (updateSearchMode() != 0)
{
if (haveSearchResults())
switchTab(0);
else
switchTab(1);
}
}
function haveSearchResults()
{
var ds = document.getElementById("resultList").database;
if (!ds)
return false;
var rdf = Components.classes[RDFSERVICE_CONTRACTID].getService(nsIRDFService);
var source = rdf.GetResource("NC:LastSearchRoot", true);
var childProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#LastText", true);
var target = ds.GetTarget(source, childProperty, true);
if (target) {
target = target.QueryInterface(nsIRDFLiteral).Value;
if (target) {
// convert plusses (+) back to spaces
target = target.replace(/\+/g, " ");
var textNode = document.getElementById("sidebar-search-text");
textNode.value = decodeURI(target);
return true;
}
}
return false;
}
function getNumEngines()
{
var listbox = document.getElementById("searchengines");
return listbox.getElementsByTagName("listitem").length;
}
function chooseCategory(aNode)
{
var category = !aNode.id ? "NC:SearchEngineRoot" :
"NC:SearchCategory?category=" + aNode.getAttribute("id");
nsPreferences.setUnicharPref("browser.search.last_search_category", category);
var treeNode = document.getElementById("searchengines");
treeNode.setAttribute("ref", category);
loadEngines(category);
}
function saveEngine(event)
{
var rdf = Components.classes[RDFSERVICE_CONTRACTID].getService(nsIRDFService);
var localStore = rdf.GetDataSource("rdf:local-store");
if (!localStore)
return;
var checkedProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#checked", true);
var engines = event.currentTarget;
var categorySRC = rdf.GetResource(engines.ref, true);
var itemNode = event.target;
var engineSRC = rdf.GetResource(itemNode.id, true);
if (itemNode.checked)
localStore.Assert(categorySRC, checkedProperty, engineSRC, true);
else
localStore.Unassert(categorySRC, checkedProperty, engineSRC, true);
// save changes; flush out the localstore
try {
var flushableStore = localStore.QueryInterface(nsIRDFRemoteDataSource);
flushableStore.Flush();
}
catch (ex) {}
}
// initialize the appropriate engine list, and the checked state of the engines
function loadEngines(aCategory)
{
var rdf = Components.classes[RDFSERVICE_CONTRACTID].getService(nsIRDFService);
var localStore = rdf.GetDataSource("rdf:local-store");
if (localStore) {
var engineBox = document.getElementById("searchengines");
var numEngines = engineBox.childNodes.length;
var checkedProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#checked", true);
var categorySRC = rdf.GetResource(aCategory, true);
for (var x = 0; x < numEngines; ++x) {
var listitemNode = engineBox.childNodes[x];
if (listitemNode.localName == "listitem") {
var engineURI = listitemNode.getAttribute("id");
var engineSRC = rdf.GetResource(engineURI, true);
var hasAssertion = localStore.HasAssertion(categorySRC, checkedProperty, engineSRC, true);
if (hasAssertion)
listitemNode.checked = true;
}
}
}
}
function SearchPanelShutdown()
{
var tree = document.getElementById("resultList");
tree.database.RemoveObserver(RDF_observer);
}
function doStop()
{
if (!gSearchButtonText)
gSearchButtonText = searchBundle.getString("searchButtonText");
var searchButtonNode = document.getElementById("searchButton");
searchButtonNode.removeAttribute("stop");
searchButtonNode.setAttribute("label", gSearchButtonText);
// should stop button press also stop the load of the page in the browser? I think so.
var progressNode = parent.document.getElementById("statusbar-icon");
if (progressNode)
progressNode.setAttribute("mode", "normal");
// stop any network connections
var internetSearchService = Components.classes[ISEARCH_CONTRACTID].getService(nsIInternetSearchService);
internetSearchService.Stop();
// show appropriate column(s)
var navWindow = getNavigatorWindow(false);
var resultsList = navWindow ? navWindow.content.document.getElementById("resultsList") : null;
if (!resultsList)
return;
var searchURL = resultsList.getAttribute("ref");
if (!searchURL)
return;
var internetSearch = internetSearchService.QueryInterface(nsIRDFDataSource);
// get various services
var rdf = Components.classes[RDFSERVICE_CONTRACTID].getService(nsIRDFService);
var searchResource = rdf.GetResource(searchURL, true);
var priceProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#Price", true);
var availabilityProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#Availability", true);
var relevanceProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#Relevance", true);
var dateProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#Date", true);
var trueProperty = rdf.GetLiteral("true");
var hasPriceFlag = internetSearch.HasAssertion(searchResource, priceProperty, trueProperty, true);
var hasAvailabilityFlag = internetSearch.HasAssertion(searchResource, availabilityProperty, trueProperty, true);
var hasRelevanceFlag = internetSearch.HasAssertion(searchResource, relevanceProperty, trueProperty, true);
var hasDateFlag = internetSearch.HasAssertion(searchResource, dateProperty, trueProperty, true);
var colNode;
var sortSetFlag = false;
if (hasPriceFlag) {
colNode = navWindow.content.document.getElementById("PriceColumn");
if (colNode) {
colNode.removeAttribute("hidden");
if (!sortSetFlag) {
top.content.setInitialSort(colNode, "ascending");
sortSetFlag = true;
}
}
}
if (hasAvailabilityFlag) {
colNode = navWindow.content.document.getElementById("AvailabilityColumn");
if (colNode)
colNode.removeAttribute("hidden");
}
if (hasDateFlag) {
colNode = navWindow.content.document.getElementById("DateColumn");
if (colNode)
colNode.removeAttribute("hidden");
}
if (hasRelevanceFlag) {
colNode = navWindow.content.document.getElementById("RelevanceColumn");
if (colNode) {
colNode.removeAttribute("hidden");
if (!sortSetFlag) {
navWindow.content.setInitialSort(colNode, "descending");
sortSetFlag = true;
}
}
}
if (!sortSetFlag) {
colNode = navWindow.content.document.getElementById("PageRankColumn");
if (colNode)
navWindow.content.setInitialSort(colNode, "ascending");
}
switchTab(0);
}
function doSearch()
{
var navWindow = getNavigatorWindow(true);
if (navWindow.content)
onNavWindowLoad();
else
navWindow.addEventListener("load", onNavWindowLoad, false);
}
function onNavWindowLoad() {
var navWindow = getNavigatorWindow(true);
// hide various columns
if (navWindow && "content" in navWindow && "isMozillaSearchWindow" in navWindow.content) {
colNode = navWindow.content.document.getElementById("RelevanceColumn");
if (colNode)
colNode.setAttribute("hidden", "true");
colNode = navWindow.content.document.getElementById("PriceColumn");
if (colNode)
colNode.setAttribute("hidden", "true");
colNode = navWindow.content.document.getElementById("AvailabilityColumn");
if (colNode)
colNode.setAttribute("hidden", "true");
}
// get user text to find
var textNode = document.getElementById("sidebar-search-text");
if (!textNode.value) {
alert(searchBundle.getString("enterstringandlocation"));
return;
}
var searchMode = nsPreferences.getIntPref("browser.search.mode", 0);
var engineURIs = [];
if (searchMode > 0) {
var foundEngine = false;
var itemNode;
var engineBox = document.getElementById("searchengines");
// in advanced search mode, get selected search engines
// (for the current search category)
for (var x = 0; x < engineBox.childNodes.length; ++x) {
itemNode = engineBox.childNodes[x];
if (itemNode.localName == "listitem" && itemNode.checked) {
var engineURI = itemNode.id;
if (engineURI) {
engineURIs[engineURIs.length] = engineURI;
foundEngine = true;
}
}
}
if (!foundEngine) {
if (getNumEngines() == 1) {
// only one engine in this category, check it
itemNode = engineBox.firstChild;
engineURIs[engineURIs.length] = itemNode.id;
}
else {
for (var i = 0; i < engineBox.childNodes.length; ++i) {
itemNode = engineBox.childNodes[i];
var theID = itemNode.id;
if (theID.indexOf("google.src") != -1) {
engineURIs[engineURIs.length] = theID;
foundEngine = true;
break;
}
}
if (!foundEngine) {
alert(searchBundle.getString("enterstringandlocation"));
return;
}
}
}
}
else
{
var basicEngines = document.getElementById("basicEngineMenu");
engineURIs[0] = basicEngines.selectedItem.id;
debug("basic mode URI = " + engineURIs[0]);
}
if (!gStopButtonText)
gStopButtonText = searchBundle.getString("stopButtonText");
var searchButtonNode = document.getElementById("searchButton");
searchButtonNode.setAttribute("stop", "true");
searchButtonNode.setAttribute("label", gStopButtonText);
var progressNode = top.document.getElementById("statusbar-icon");
if (progressNode)
progressNode.setAttribute("mode", "undetermined");
// run the search
OpenSearch(textNode.value, engineURIs);
switchTab(0);
}
function checkSearchProgress()
{
var activeSearchFlag = false;
var navWindow = getNavigatorWindow(false);
if (navWindow) {
var resultsList = navWindow.content.document.getElementById("resultsList");
if (resultsList) {
var treeref = resultsList.getAttribute("ref");
var ds = resultsList.database;
if (ds && treeref) {
try {
var rdf = Components.classes[RDFSERVICE_CONTRACTID].getService(nsIRDFService);
var source = rdf.GetResource(treeref, true);
var loadingProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#loading", true);
var target = ds.GetTarget(source, loadingProperty, true);
if (target)
target = target.QueryInterface(nsIRDFLiteral).Value;
activeSearchFlag = target == "true" ? true : false;
}
catch (ex) {
activeSearchFlag = false;
}
}
}
}
if (activeSearchFlag)
setTimeout("checkSearchProgress()", 1000);
else
doStop();
return activeSearchFlag;
}
function sidebarOpenURL(listitem)
{
var id = listitem.id;
if (!id)
return;
// rjc: add support for anonymous resources; if the node has
// a "#URL" property, use it, otherwise default to using the id
try {
var ds = document.getElementById("resultList").database;
if (ds) {
var rdf = Components.classes[RDFSERVICE_CONTRACTID].getService(nsIRDFService);
var src = rdf.GetResource(id, true);
var prop = rdf.GetResource("http://home.netscape.com/NC-rdf#URL", true);
var target = ds.GetTarget(src, prop, true);
if (target) {
target = target.QueryInterface(nsIRDFLiteral).Value;
if (target)
id = target;
}
}
} catch (ex) {
}
// mark result as visited
listitem.setAttribute("visited", "true");
loadURLInContent(id);
}
function OpenSearch(aSearchStr, engineURIs)
{
gPageNumber = 0;
var searchEngineURI = nsPreferences.copyUnicharPref("browser.search.defaultengine", null);
var defaultSearchURL = nsPreferences.getLocalizedUnicharPref("browser.search.defaulturl", null);
if (!defaultSearchURL) {
regionalBundle = document.getElementById("regionalBundle");
defaultSearchURL = regionalBundle.getString("defaultSearchURL");
}
var searchDS = Components.classes[ISEARCH_CONTRACTID].getService(nsIInternetSearchService);
var escapedSearchStr = encodeURIComponent(aSearchStr);
sidebarInitiatedSearch = true;
searchDS.RememberLastSearchText(escapedSearchStr);
sidebarInitiatedSearch = false;
var gURL;
try {
if (!engineURIs || engineURIs.length <= 1) {
// not called from sidebar or only one engine selected
if (engineURIs && engineURIs.length == 1) {
searchEngineURI = engineURIs[0];
gURL = "internetsearch:engine=" + searchEngineURI + "&text=" + escapedSearchStr;
}
if (!searchEngineURI)
searchEngineURI = regionalBundle.getString("defaultSearchURL");
// look up the correct search URL format for the given engine
try {
var whichButtons = new Object;
whichButtons.value = 0;
var searchURL = searchDS.GetInternetSearchURL(searchEngineURI, escapedSearchStr, 0, 0, whichButtons);
doNavButtonEnabling(whichButtons.value, searchDS, 0);
}
catch (ex) {
debug("Exception when calling GetInternetSearchURL: " + ex);
searchURL = "";
}
defaultSearchURL = searchURL ? searchURL : defaultSearchURL + escapedSearchStr;
if (!searchURL)
gURL = "";
// load the results page of selected or default engine in the content area
if (defaultSearchURL)
loadURLInContent(defaultSearchURL);
}
else {
// multiple providers
searchURL = "";
for (var i = 0; i < engineURIs.length; ++i) {
searchURL += !searchURL ? "internetsearch:" : "&";
searchURL += "engine=" + engineURIs[i];
}
searchURL += ("&text=" + escapedSearchStr);
gURL = searchURL;
loadURLInContent(encodeURI("chrome://communicator/content/search/internetresults.xul?" + searchURL));
}
}
catch (ex) {
debug("Exception: " + ex);
}
setTimeout("checkSearchProgress()", 1000);
}
function saveSearch()
{
var ds = document.getElementById("resultList").database;
if (!ds)
return;
var lastSearchURI = "";
var lastSearchText = "";
var rdf = Components.classes[RDFSERVICE_CONTRACTID].getService(nsIRDFService);
// look for last search URI
var source = rdf.GetResource("NC:LastSearchRoot", true);
var childProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#ref", true);
var target = ds.GetTarget(source, childProperty, true);
if (target) {
target = target.QueryInterface(nsIRDFLiteral).Value;
if (target)
lastSearchURI = target;
}
// look for last search text
childProperty = rdf.GetResource("http://home.netscape.com/NC-rdf#LastText", true);
target = ds.GetTarget(source, childProperty, true);
if (target) {
target = target.QueryInterface(nsIRDFLiteral).Value;
if (target) {
// convert plusses (+) back to spaces
target = target.replace(/\+/g, " ");
lastSearchText = decodeURIComponent(target);
}
}
if (!lastSearchURI)
return;
// rjc says: if lastSearchText is empty/null, that's still OK, synthesize the text
if (!lastSearchText) {
lastSearchText = lastSearchURI;
var siteOffset = lastSearchText.indexOf("://");
if (siteOffset > 0) {
siteOffset += 3;
var endOffset = lastSearchText.indexOf("/", siteOffset);
if (endOffset > 0)
lastSearchText = lastSearchText.substr(0, endOffset+1);
}
}
var searchTitle = searchBundle.stringBundle.formatStringFromName(
"searchTitle", [lastSearchText], 1);
var bmks = Components.classes[BMARKS_CONTRACTID].getService(nsIBookmarksService);
bmks.addBookmarkImmediately(lastSearchURI, searchTitle, bmks.BOOKMARK_SEARCH_TYPE, null);
}
var gPageNumber = 0;
/**
* showMoreResults
*
* Run a query to show the next/previous page of search results for the
* current search term.
*
* @param direction : -1 => previous
* 1 => next
*/
function showMoreResults(direction)
{
// XXX check if we are in basic search mode
// get search engine
var engine = document.getElementById("basicEngineMenu").selectedItem;
var engineURI = engine.id;
// get search term
var searchTerm = document.getElementById("sidebar-search-text").value;
searchTerm = encodeURIComponent(searchTerm);
// change page number
if (direction > 0)
++gPageNumber;
else
--gPageNumber;
// get qualified URL
var searchService = Components.classes[ISEARCH_CONTRACTID].
getService(nsIInternetSearchService);
var whichButtons = new Object;
whichButtons.value = 0;
var searchURL = searchService.GetInternetSearchURL(engineURI, searchTerm,
direction, gPageNumber, whichButtons);
doNavButtonEnabling(whichButtons.value, searchService, gPageNumber);
// load URL in navigator
loadURLInContent(searchURL);
}
function doNavButtonEnabling(whichButtons, searchService, pageNumber)
{
var nextButton = document.getElementById("next-results");
var nextDisabled = nextButton.getAttribute("disabled");
var prevButton = document.getElementById("prev-results");
var prevDisabled = prevButton.getAttribute("disabled");
if (whichButtons & searchService.kHaveNext)
{
if (nextDisabled)
nextButton.removeAttribute("disabled");
}
else
{
if (!nextDisabled)
nextButton.setAttribute("disabled", "true");
}
if ((pageNumber > 0) && (whichButtons & searchService.kHavePrev))
{
if (prevDisabled)
prevButton.removeAttribute("disabled");
}
else
{
if (!prevDisabled)
prevButton.setAttribute("disabled", "true");
}
}
function doCustomize()
{
//Switching from Edit Categories back to All Engines then launching customize window
var category = document.getElementById("categoryList");
category.selectedIndex = 0;
window.openDialog("chrome://communicator/content/search/search-editor.xul", "internetsearch:editor", "centerscreen,chrome,resizable");
}
function loadURLInContent(url)
{
var navigatorWindow = getNavigatorWindow(true);
navigatorWindow.loadURI(url);
}
function search_getBrowserURL()
{
return nsPreferences.copyUnicharPref("browser.chromeURL", "chrome://navigator/content/navigator.xul");
}
function doEnabling()
{
var searchButton = document.getElementById("searchButton");
var sidebarSearchText = document.getElementById("sidebar-search-text");
searchButton.disabled = !sidebarSearchText.value;
}
//Step up the dom until getting the desired node.
function getItemNode(aNode,nodeName)
{
var node = aNode;
while (node.localName != nodeName) {
node = node.parentNode;
}
return node ? node : null;
}
function getArcValueForID(aArc, aID)
{
var val = null;
try
{
var ds = document.getElementById("resultList").database;
if (ds)
{
var rdf = Components.classes[RDFSERVICE_CONTRACTID].
getService(nsIRDFService);
var src = rdf.GetResource(aID, true);
var prop = rdf.GetResource(
"http://home.netscape.com/NC-rdf#"+aArc, true);
val = ds.GetTarget(src, prop, true);
if (val)
val = val.QueryInterface(nsIRDFLiteral).Value;
}
}
catch (ex)
{
dump("Exception: no value for " + aArc + "!\t" + ex + "\n");
val = null;
}
return val;
}
//Fill in tooltip in teh search results panel
function FillInDescTooltip(tipElement)
{
var retValue = false;
//Get the Name of the listitem for first item in the tooltip
var nodeLabel = tipElement.getAttribute("label");
var nodeID = tipElement.id;
//Query RDF to get URL of listitem
if (nodeID)
var url = getArcValueForID("URL", nodeID);
//Fill in the the text nodes
//collapse them if there is not a node
if (nodeLabel || url) {
var tooltipTitle = document.getElementById("titleText");
var tooltipUrl = document.getElementById("urlText");
if (nodeLabel) {
if (tooltipTitle.getAttribute("hidden") == "true")
tooltipTitle.removeAttribute("hidden");
tooltipTitle.setAttribute("value",nodeLabel);
}
else {
tooltipTitle.setAttribute("hidden", "true");
}
if (url) {
if (tooltipUrl.getAttribute("hidden") == "true")
tooltipUrl.removeAttribute("hidden");
if (url.length > 100)
url = url.substr(0,100) + "...";
tooltipUrl.setAttribute("value",url);
}
else {
tooltipUrl.setAttribute("hidden", "true");
}
retValue = true;
}
return retValue;
}
var nsResultDNDObserver =
{
onDragStart: function(aEvent, aXferData, aDragAction)
{
var node = getItemNode(aEvent.target, "listitem");
var URL = getArcValueForID("URL", node.id);
var title = getArcValueForID("Name", node.id);
var htmlString = "<a href=\"" + URL + "\">" + title + "</a>";
var urlString = URL + "\n" + title;
aXferData.data = new TransferData();
aXferData.data.addDataForFlavour("text/x-moz-url", URL);
aXferData.data.addDataForFlavour("text/unicode", urlString);
aXferData.data.addDataForFlavour("text/html", htmlString);
}
};
function HandleResultDragGesture(aEvent)
{
nsDragAndDrop.startDrag(aEvent, nsResultDNDObserver);
return true;
}