gecko-dev/mail/base/content/subscribe.js
2002-08-16 00:26:44 +00:00

536 lines
14 KiB
JavaScript

var gSubscribeTree = null;
var gSearchTree;
var okCallback = null;
var gChangeTable = {};
var gServerURI = null;
var gSubscribableServer = null;
var gStatusBar = null;
var gNameField = null;
var gNameFieldLabel = null;
var gFolderDelimiter = ".";
var gStatusFeedback = new nsMsgStatusFeedback;
var gSubscribeDeck = null;
var gSearchView = null;
var gSearchTreeBoxObject = null;
// the rdf service
var RDF = Components.classes['@mozilla.org/rdf/rdf-service;1'].getService(Components.interfaces.nsIRDFService);
var subscribeDS = RDF.GetDataSource("rdf:subscribe");
// get the "subscribed" atom
var atomService = Components.classes["@mozilla.org/atom-service;1"].getService().QueryInterface(Components.interfaces.nsIAtomService);
var gSubscribedAtom = atomService.getAtom("subscribed").QueryInterface(Components.interfaces.nsISupports);
var gSubscribeBundle;
function goDoCommand()
{
}
function Stop()
{
//dump("Stop()\n")
if (gSubscribableServer) {
gSubscribableServer.stopPopulating(msgWindow);
}
}
function SetServerTypeSpecificTextValues()
{
if (!gServerURI) return;
var serverType = GetMsgFolderFromUri(gServerURI, true).server.type;
// set the server specific ui elements
var stringName = "foldersheaderfor-" + serverType;
var stringval = gSubscribeBundle.getString(stringName);
var element = document.getElementById("nameColumn");
element.setAttribute('label',stringval);
element = document.getElementById("nameColumn2");
element.setAttribute('label',stringval);
//set the delimiter
try {
gFolderDelimiter = gSubscribableServer.delimiter;
}
catch (ex) {
//dump(ex + "\n");
gFolderDelimiter = ".";
}
}
function onServerClick(event)
{
var item = event.target;
gServerURI = item.id;
//dump("gServerURI="+gServerURI+"\n");
SetUpTree(false);
SetServerTypeSpecificTextValues();
}
function SetUpServerMenu()
{
//dump("SetUpServerMenu()\n");
var serverMenu = document.getElementById("serverMenu");
var menuitems = serverMenu.getElementsByAttribute("id", gServerURI);
try {
//dump("gServerURI="+gServerURI+"\n");
//dump("menuitems="+menuitems+"\n");
//dump("menuitems[0]="+menuitems[0]+"\n");
//dump("serverMenu="+serverMenu+"\n");
serverMenu.selectedItem = menuitems[0];
}
catch (ex) {
//dump("failed to set the selected server: " + ex + "\n");
}
SetServerTypeSpecificTextValues();
}
var MySubscribeListener = {
OnDonePopulating: function() {
gStatusFeedback.showProgress(0);
gStatusFeedback.showStatusString("");
gStatusBar.setAttribute("mode","normal");
// only re-root the tree, if it is null.
// otherwise, we are in here because we are populating
// a part of the tree
var refValue = gSubscribeTree.getAttribute('ref');
if (!refValue) {
//dump("root subscribe tree at: "+ gServerURI +"\n");
gSubscribeTree.database.AddDataSource(subscribeDS);
gSubscribeTree.setAttribute('ref',gServerURI);
}
}
};
function SetUpTree(forceToServer)
{
//dump("SetUpTree()\n");
gStatusBar = document.getElementById('statusbar-icon');
if (!gServerURI) return;
var folder = GetMsgFolderFromUri(gServerURI, true);
var server = folder.server;
try {
CleanUpSearchView();
gSubscribableServer = server.QueryInterface(Components.interfaces.nsISubscribableServer);
gSubscribeTree.setAttribute('ref',null);
// enable (or disable) the search related UI
EnableSearchUI();
// clear out the text field when switching server
gNameField.value = "";
// since there is no text, switch to the non-search view...
SwitchToNormalView();
gSubscribeTree.database.RemoveDataSource(subscribeDS);
gSubscribableServer.subscribeListener = MySubscribeListener;
gStatusFeedback.showProgress(0);
gStatusFeedback.showStatusString(gSubscribeBundle.getString("pleaseWaitString"));
gStatusBar.setAttribute("mode","undetermined");
gSubscribableServer.startPopulating(msgWindow, forceToServer);
}
catch (ex) {
//dump("failed to populate subscribe ds: " + ex + "\n");
}
}
function SubscribeOnUnload()
{
try {
CleanUpSearchView();
gSubscribeTree.database.RemoveDataSource(subscribeDS);
}
catch (ex) {
dump("failed to remove the subscribe ds: " + ex + "\n");
}
}
function EnableSearchUI()
{
if (gSubscribableServer.supportsSubscribeSearch) {
gNameField.removeAttribute('disabled');
gNameFieldLabel.removeAttribute('disabled');
}
else {
gNameField.setAttribute('disabled',true);
gNameFieldLabel.setAttribute('disabled',true);
}
}
function SubscribeOnLoad()
{
//dump("SubscribeOnLoad()\n");
gSubscribeBundle = document.getElementById("bundle_subscribe");
gSubscribeTree = document.getElementById("subscribeTree");
gSearchTree = document.getElementById("searchTree");
gSearchTreeBoxObject = document.getElementById("searchTree").treeBoxObject;
gNameField = document.getElementById("namefield");
gNameFieldLabel = document.getElementById("namefieldlabel");
gSubscribeDeck = document.getElementById("subscribedeck");
msgWindow = Components.classes[msgWindowContractID].createInstance(Components.interfaces.nsIMsgWindow);
msgWindow.statusFeedback = gStatusFeedback;
msgWindow.SetDOMWindow(window);
// look in arguments[0] for parameters
if (window.arguments && window.arguments[0]) {
if ( window.arguments[0].okCallback ) {
top.okCallback = window.arguments[0].okCallback;
}
}
gServerURI = null;
if (window.arguments[0].preselectedURI) {
var uri = window.arguments[0].preselectedURI;
//dump("subscribe: got a uri," + uri + "\n");
var folder = GetMsgFolderFromUri(uri, true);
//dump("folder="+folder+"\n");
//dump("folder.server="+folder.server+"\n");
try {
CleanUpSearchView();
gSubscribableServer = folder.server.QueryInterface(Components.interfaces.nsISubscribableServer);
// enable (or disable) the search related UI
EnableSearchUI();
gServerURI = folder.server.serverURI;
}
catch (ex) {
//dump("not a subscribable server\n");
CleanUpSearchView();
gSubscribableServer = null;
gServerURI = null;
}
}
if (!gServerURI) {
//dump("subscribe: no uri\n");
//dump("xxx todo: use the default news server. right now, I'm just using the first server\n");
var serverMenu = document.getElementById("serverMenu");
var menuitems = serverMenu.getElementsByTagName("menuitem");
if (menuitems.length > 1) {
gServerURI = menuitems[1].id;
}
else {
//dump("xxx todo none of your servers are subscribable\n");
//dump("xxx todo fix this by disabling subscribe if no subscribable server or, add a CREATE SERVER button, like in 4.x\n");
return;
}
}
SetUpServerMenu();
SetUpTree(false);
gNameField.focus();
}
function subscribeOK()
{
//dump("in subscribeOK()\n")
if (top.okCallback) {
top.okCallback(top.gChangeTable);
}
Stop();
if (gSubscribableServer) {
gSubscribableServer.subscribeCleanup();
}
return true;
}
function subscribeCancel()
{
Stop();
if (gSubscribableServer) {
gSubscribableServer.subscribeCleanup();
}
return true;
}
function SetState(name,state)
{
var changed = gSubscribableServer.setState(name, state);
if (changed)
StateChanged(name,state);
}
function changeTableRecord(server, name, state)
{
this.server = server;
this.name = name;
this.state = state;
}
function StateChanged(name,state)
{
if (gServerURI in gChangeTable) {
if (name in gChangeTable[gServerURI]) {
var oldValue = gChangeTable[gServerURI][name];
if (oldValue != state)
delete gChangeTable[gServerURI][name];
}
else {
gChangeTable[gServerURI][name] = state;
}
}
else {
gChangeTable[gServerURI] = {};
gChangeTable[gServerURI][name] = state;
}
}
function InSearchMode()
{
// search is the second card in the deck
return (gSubscribeDeck.getAttribute("selectedIndex") == "1");
}
function SearchOnClick(event)
{
// we only care about button 0 (left click) events
if (event.button != 0 || event.originalTarget.localName != "treechildren") return;
var row = {}, colID = {}, childElt = {};
gSearchTreeBoxObject.getCellAt(event.clientX, event.clientY, row, colID, childElt);
if (row.value == -1 || row.value > gSearchView.rowCount-1)
return;
if (colID.value == "subscribedColumn2") {
if (event.detail != 2) {
// single clicked on the check box
// (in the "subscribedColumn2" column) reverse state
// if double click, do nothing
ReverseStateFromRow(row.value);
}
} else if (event.detail == 2) {
// double clicked on a row, reverse state
ReverseStateFromRow(row.value);
}
// invalidate the row
InvalidateSearchTreeRow(row.value);
}
function ReverseStateFromRow(row)
{
// to determine if the row is subscribed or not,
// we get the properties for the "subscribedColumn2" cell in the row
// and look for the "subscribed" property
// if the "subscribed" atom is in the list of properties
// we are subscribed
var properties = Components.classes["@mozilla.org/supports-array;1"].createInstance(Components.interfaces.nsISupportsArray);
gSearchView.getCellProperties(row, "subscribedColumn2", properties);
var isSubscribed = (properties.GetIndexOf(gSubscribedAtom) != -1);
SetStateFromRow(row, !isSubscribed);
}
function SetStateFromRow(row, state)
{
var name = gSearchView.getCellText(row,"nameColumn2");
// we need to escape the name because
// some news servers have newsgroups with non ASCII names
// we need to escape those name before calling SetState()
SetState(escape(name), state);
}
function SetSubscribeState(state)
{
try {
// we need to iterate over the tree selection, and set the state for
// all rows in the selection
var inSearchMode = InSearchMode();
var view = inSearchMode ? gSearchView : gSubscribeTree.view;
var colId = inSearchMode ? "nameColumn2" : "nameColumn";
var sel = view.selection;
for (var i = 0; i < sel.getRangeCount(); ++i) {
var start = {}, end = {};
sel.getRangeAt(i, start, end);
for (var k = start.value; k <= end.value; ++k) {
if (inSearchMode)
SetStateFromRow(k, state);
else {
var rowRes = gSubscribeTree.builderView.getResourceAtIndex(k);
var name = GetRDFProperty(rowRes, "Name");
SetState(name, state);
}
}
}
if (inSearchMode) {
// force a repaint
InvalidateSearchTree();
}
}
catch (ex) {
dump("SetSubscribedState failed: " + ex + "\n");
}
}
function ReverseStateFromNode(row)
{
var rowRes = gSubscribeTree.builderView.getResourceAtIndex(row);
var isSubscribed = GetRDFProperty(rowRes, "Subscribed");
var name = GetRDFProperty(rowRes, "Name");
SetState(name, isSubscribed != "true");
}
function GetRDFProperty(aRes, aProp)
{
var propRes = RDF.GetResource("http://home.netscape.com/NC-rdf#"+aProp);
var valueRes = gSubscribeTree.database.GetTarget(aRes, propRes, true);
return valueRes ? valueRes.QueryInterface(Components.interfaces.nsIRDFLiteral).Value : null;
}
function SubscribeOnClick(event)
{
// we only care about button 0 (left click) events
if (event.button != 0 || event.originalTarget.localName != "treechildren")
return;
var row = {}, col = {}, obj = {};
gSubscribeTree.treeBoxObject.getCellAt(event.clientX, event.clientY, row, col, obj);
if (row.value == -1 || row.value > (gSubscribeTree.view.rowCount - 1))
return;
if (event.detail == 2) {
// only toggle subscribed state when double clicking something
// that isn't a container
if (!gSubscribeTree.view.isContainer(row.value)) {
ReverseStateFromNode(row.value);
return;
}
}
else if (event.detail == 1)
{
if (obj.value == "twisty") {
if (gSubscribeTree.view.isContainerOpen(row.value)) {
var uri = gSubscribeTree.builderView.getResourceAtIndex(row.value).Value;
gStatusFeedback.showProgress(0);
gStatusFeedback.showStatusString(gSubscribeBundle.getString("pleaseWaitString"));
gStatusBar.setAttribute("mode", "undetermined");
gSubscribableServer.startPopulatingWithUri(msgWindow, true /* force to server */, uri);
}
}
else {
// if the user single clicks on the subscribe check box, we handle it here
if (col.value == "subscribedColumn")
ReverseStateFromNode(row.value);
}
}
}
function Refresh()
{
// clear out the textfield's entry on call of Refresh()
gNameField.value = "";
// force it to talk to the server
SetUpTree(true);
}
function InvalidateSearchTreeRow(row)
{
gSearchTreeBoxObject.invalidateRow(row);
}
function InvalidateSearchTree()
{
gSearchTreeBoxObject.invalidate();
}
function SwitchToNormalView()
{
// the first card in the deck is the "normal" view
gSubscribeDeck.setAttribute("selectedIndex","0");
}
function SwitchToSearchView()
{
// the second card in the deck is the "search" view
gSubscribeDeck.setAttribute("selectedIndex","1");
}
function Search()
{
var searchValue = gNameField.value;
if (searchValue.length && gSubscribableServer.supportsSubscribeSearch) {
SwitchToSearchView();
gSubscribableServer.setSearchValue(searchValue);
if (!gSearchView && gSubscribableServer) {
gSearchView = gSubscribableServer.QueryInterface(Components.interfaces.nsITreeView);
gSearchView.selection = null;
gSearchTreeBoxObject.view = gSearchView;
}
}
else {
SwitchToNormalView();
}
}
function CleanUpSearchView()
{
if (gSearchView) {
gSearchView.selection = null;
gSearchView = null;
}
}
function onSearchTreeKeyPress(event)
{
// for now, only do something on space key
if (event.charCode != KeyEvent.DOM_VK_SPACE)
return;
var treeSelection = gSearchView.selection;
for (var i=0;i<treeSelection.getRangeCount();i++) {
var start = {}, end = {};
treeSelection.getRangeAt(i,start,end);
for (var k=start.value;k<=end.value;k++)
ReverseStateFromRow(k);
// force a repaint
InvalidateSearchTree();
}
}
function onSubscribeTreeKeyPress(event)
{
// for now, only do something on space key
if (event.charCode != KeyEvent.DOM_VK_SPACE)
return;
var treeSelection = gSubscribeTree.view.selection;
for (var i=0;i<treeSelection.getRangeCount();i++) {
var start = {}, end = {};
treeSelection.getRangeAt(i,start,end);
for (var k=start.value;k<=end.value;k++)
ReverseStateFromNode(k);
}
}
function doHelpButton()
{
openHelp("mail-subscribe");
}