gecko-dev/calendar/resources/content/calendarManager.js

790 lines
28 KiB
JavaScript

/* ***** 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 Calendar Code.
*
* The Initial Developer of the Original Code is
* OEone Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Mike Potter <mikep@oeone.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 ***** */
include('chrome://calendar/content/jslib/io/io.js');
include('chrome://calendar/content/jslib/rdf/rdf.js');
include('chrome://calendar/content/jslib/rdf/rdfFile.js');
function CalendarObject()
{
this.path = "";
this.serverNumber = 0;
this.name = "";
this.remote = false;
this.remotePath = "";
this.active = false;
}
function calendarManager( CalendarWindow )
{
this.CalendarWindow = CalendarWindow;
/* We need a Calendar directory in our profile directory */
var CalendarDirectory = new File( this.getProfileDirectory().path );
CalendarDirectory.append( "Calendar" );
/* make sure the calendar directory exists, create it if it doesn't */
if( !CalendarDirectory.exists() )
{
var thisDir = new Dir( CalendarDirectory.path );
thisDir.create( 0755 );
}
var profileFile = this.getProfileDirectory();
profileFile.append("Calendar");
profileFile.append("CalendarManager.rdf");
this.rdf = new RDFFile( profileFile.path, null);
/* make sure we have a root node, if not we probably have an empty file */
if( this.rdf.getRootContainers().length == 0 )
{
this.rootContainer = this.rdf.addRootSeq( "urn:calendarcontainer" );
//add the default calendar
var profileFile = this.getProfileDirectory();
profileFile.append("Calendar");
profileFile.append("CalendarDataFile.ics");
var node = this.rootContainer.addNode( "calendar0" );
node.setAttribute( "http://home.netscape.com/NC-rdf#name", "My Calendar" );
node.setAttribute( "http://home.netscape.com/NC-rdf#path", profileFile.path );
node.setAttribute( "http://home.netscape.com/NC-rdf#active", "true" );
node.setAttribute( "http://home.netscape.com/NC-rdf#remote", "false" );
node.setAttribute( "http://home.netscape.com/NC-rdf#remotePath", "" );
}
else
{
this.rootContainer = this.rdf.getRootContainers("seq")[0];
}
this.rdf.flush();
this.getAndConvertAllOldCalendars();
document.getElementById( "list-calendars-listbox" ).database.AddDataSource( this.rdf.getDatasource() );
document.getElementById( "list-calendars-listbox" ).builder.rebuild();
/* add active calendars */
for( var i = 0; i < this.rootContainer.getSubNodes().length; i++ )
{
if( this.rootContainer.getSubNodes()[i].getAttribute( "http://home.netscape.com/NC-rdf#active" ) == "true" )
{
this.addCalendar( this.rootContainer.getSubNodes()[i] );
}
}
/* Refresh remote calendars */
/*
var RefreshServers = getBoolPref(this.CalendarWindow.calendarPreferences.calendarPref, "servers.reloadonlaunch", false );
if( RefreshServers == true )
this.refreshAllRemoteCalendars( );
*/
}
/*
** Launch the new calendar file dialog
*/
calendarManager.prototype.launchAddCalendarDialog = function calMan_launchAddCalendarDialog( aName, aUrl )
{
// set up a bunch of args to pass to the dialog
var ThisCalendarObject = new CalendarObject();
if( aName )
ThisCalendarObject.name = aName;
if( aUrl )
{
ThisCalendarObject.remote = true;
ThisCalendarObject.remotePath = aUrl;
}
var args = new Object();
args.mode = "new";
var thisManager = this;
var callback = function( ThisCalendarObject ) { thisManager.addServerDialogResponse( ThisCalendarObject ) };
args.onOk = callback;
args.CalendarObject = ThisCalendarObject;
// open the dialog modally
openDialog("chrome://calendar/content/calendarServerDialog.xul", "caAddServer", "chrome,modal", args );
}
/*
** Launch the edit calendar file dialog
*/
calendarManager.prototype.launchEditCalendarDialog = function calMan_launchEditCalendarDialog( )
{
//get the currently selected calendar
// set up a bunch of args to pass to the dialog
var ThisCalendarObject = new CalendarObject();
var TempCalendar = this.getSelectedCalendar();
ThisCalendarObject.name = TempCalendar.getAttribute( "http://home.netscape.com/NC-rdf#name" );
ThisCalendarObject.path = TempCalendar.getAttribute( "http://home.netscape.com/NC-rdf#path" );
ThisCalendarObject.active = TempCalendar.getAttribute( "http://home.netscape.com/NC-rdf#active" );
ThisCalendarObject.remote = TempCalendar.getAttribute( "http://home.netscape.com/NC-rdf#remote" );
ThisCalendarObject.remotePath = TempCalendar.getAttribute( "http://home.netscape.com/NC-rdf#remotePath" );
var args = new Object();
args.mode = "edit";
var thisManager = this;
var callback = function( ThisCalendarObject ) { thisManager.editServerDialogResponse( ThisCalendarObject ) };
args.onOk = callback;
args.CalendarObject = ThisCalendarObject;
// open the dialog modally
openDialog("chrome://calendar/content/calendarServerDialog.xul", "caEditServer", "chrome,modal", args );
}
/*
** Called when OK is clicked in the new server dialog.
*/
calendarManager.prototype.addServerDialogResponse = function calMan_addServerDialogResponse( CalendarObject )
{
var name = "calendar"+this.rootContainer.getSubNodes().length;
CalendarObject.active = true;
CalendarObject.path = CalendarObject.path.replace( "webcal:", "http:" );
var node = this.rootContainer.addNode(name);
node.setAttribute("http://home.netscape.com/NC-rdf#active", "true");
node.setAttribute("http://home.netscape.com/NC-rdf#serverNumber", this.rootContainer.getSubNodes().length);
node.setAttribute("http://home.netscape.com/NC-rdf#name", CalendarObject.name);
if( CalendarObject.path == "" )
{
//they didn't set a path in the box, that's OK, its not required.
var profileFile = this.getProfileDirectory();
profileFile.append("Calendar");
profileFile.append("CalendarDataFile"+this.rootContainer.getSubNodes().length+".ics");
CalendarObject.path = profileFile.path;
}
node.setAttribute("http://home.netscape.com/NC-rdf#path", CalendarObject.path)
if( CalendarObject.path.indexOf( "http://" ) != -1 )
{
var profileFile = this.getProfileDirectory();
profileFile.append( "Calendar" );
profileFile.append("RemoteCalendar"+this.rootContainer.getSubNodes().length+".ics");
node.setAttribute("http://home.netscape.com/NC-rdf#remote", "true");
node.setAttribute("http://home.netscape.com/NC-rdf#remotePath", CalendarObject.path);
node.setAttribute("http://home.netscape.com/NC-rdf#path", profileFile.path);
this.retrieveAndSaveRemoteCalendar( node, onResponseAndRefresh );
dump( "Remote Calendar Number "+this.rootContainer.getSubNodes().length+" Added" );
}
else
{
node.setAttribute("http://home.netscape.com/NC-rdf#remote", "false");
dump( "Calendar Number "+CalendarObject.serverNumber+" Added" );
}
this.rdf.flush();
}
/*
** Called when OK is clicked in the new server dialog.
*/
calendarManager.prototype.editServerDialogResponse = function calMan_editServerDialogResponse( CalendarObject )
{
var name = "calendar"+CalendarObject.serverNumber;
//get the node
var node = this.rootContainer.getNode( name );
node.setAttribute( "http://home.netscape.com/NC-rdf#name", CalendarObject.name );
this.rdf.flush();
}
/*
** Add the calendar so it is included in searches
*/
calendarManager.prototype.addCalendar = function calMan_addCalendar( ThisCalendarObject )
{
dump( "\n CALENDAR MANANGER-> add calendar with path "+ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#path"+"\n\n" ) );
this.CalendarWindow.eventSource.gICalLib.addCalendar( ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#path" ) );
ThisCalendarObject.setAttribute( "http://home.netscape.com/NC-rdf#active", "true" );
this.rdf.flush();
}
/*
** Remove the calendar, so it doesn't get included in searches
*/
calendarManager.prototype.removeCalendar = function calMan_removeCalendar( ThisCalendarObject )
{
dump( "\n calendarManager-> remove calendar "+ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#path" ) );
this.CalendarWindow.eventSource.gICalLib.removeCalendar( ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#path" ) );
ThisCalendarObject.setAttribute( "http://home.netscape.com/NC-rdf#active", "false" );
this.rdf.flush();
}
/*
** Delete the calendar. Remove the file, it won't be used any longer.
*/
calendarManager.prototype.deleteCalendar = function calMan_deleteCalendar( ThisCalendarObject )
{
//DISABLE DELETE FOR NOW
return;
if( ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#serverNumber" ) == 0 )
return;
this.CalendarWindow.eventSource.gICalLib.removeCalendar( ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#path" ) );
var FileToRemove = new File( ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#path" ) );
FileToRemove.remove();
ThisCalendarObject.remove();
this.rdf.flush();
}
calendarManager.prototype.getSelectedCalendar = function calMan_getSelectedCalendar( )
{
var calendarListBox = document.getElementById( "list-calendars-listbox" );
return( this.rdf.getNode( calendarListBox.selectedItem.getAttribute( "id" ) ) );
}
var xmlhttprequest;
var request;
var calendarToGet = null;
calendarManager.prototype.retrieveAndSaveRemoteCalendar = function calMan_retrieveAndSaveRemoteCalendar( ThisCalendarObject, onResponse )
{
//the image doesn't always exist. If it doesn't exist, it causes problems, so check for it here
if( document.getElementById( "calendar-list-image-"+ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#serverNumber" ) ) )
document.getElementById( "calendar-list-image-"+ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#serverNumber" ) ).setAttribute( "synching", "true" );
calendarToGet = ThisCalendarObject;
// make a request
xmlhttprequest = Components.classes["@mozilla.org/xmlextras/xmlhttprequest;1"]
request = xmlhttprequest.createInstance( Components.interfaces.nsIXMLHttpRequest );
request.addEventListener( "load", onResponse, false );
request.addEventListener( "error", onError, false );
request.open( "GET", ThisCalendarObject.getAttribute( "http://home.netscape.com/NC-rdf#remotePath" ), false ); // true means async
request.send( null );
}
calendarManager.prototype.refreshAllRemoteCalendars = function calMan_refreshAllRemoteCalendars()
{
//get all the calendars.
//get all the other calendars
var SubNodes = this.rootContainer.getSubNodes();
for( var i = 0; i < SubNodes.length; i++ )
{
//check their remote attribute, if its true, call retrieveAndSaveRemoteCalendar()
if( SubNodes[i].getAttribute( "http://home.netscape.com/NC-rdf#remote" ) == "true" )
{
this.retrieveAndSaveRemoteCalendar( SubNodes[i], onResponseAndRefresh );
}
}
}
/*
** Checks if the URL is already in the list.
** If so, it returns the calendar object.
** Otherwise, returns false.
*/
calendarManager.prototype.isURLAlreadySubscribed = function calMan_isCalendarSubscribed( CalendarURL )
{
CalendarURL = CalendarURL.replace( "webcal:", "http:" );
this.rdf.getRootContainers().length == 0
for( var i = 0; i < this.rootContainer.getSubNodes().length; i++ )
{
if( this.rootContainer.getSubNodes()[i].getAttribute( "http://home.netscape.com/NC-rdf#remotePath" ) == CalendarURL )
{
return( this.rootContainer.getSubNodes()[i] );
}
}
return( false );
}
/*
** This function is called when clicking on a file with mime type "text/calendar"
** It first checks to see if the calendar is already subscribed. If so, it disables all other calendars
** and then adds that calendar.
** If not, then it opens up the dialog for users to add the calendar to their subscribed list.
*/
calendarManager.prototype.checkCalendarURL = function calMan_checkCalendarURL( Channel )
{
var calendarSubscribed = this.isURLAlreadySubscribed( Channel.URI.spec );
if( calendarSubscribed === false )
{
if( Channel.URI.spec.indexOf( "imap://" ) != -1 )
{
var Listener =
{
onStreamComplete: function(loader, ctxt, status, resultLength, result)
{
//check to make sure its actually a calendar file, if not return.
if( result.indexOf( "BEGIN:VCALENDAR" ) == -1 )
return false;
//if we have only one event, open the event dialog.
var BeginEventText = "BEGIN:VEVENT";
var firstMatchLocation = result.indexOf( BeginEventText );
if( firstMatchLocation == -1 )
return false;
else
{
if( result.indexOf( BeginEventText, firstMatchLocation + BeginEventText.length + 1 ) == -1 )
{
var iCalEventComponent = Components.classes["@mozilla.org/icalevent;1"].createInstance();
var calendarEvent = iCalEventComponent.QueryInterface(Components.interfaces.oeIICalEvent);
calendarEvent.parseIcalString( result );
/* EDITING AN EXISTING EVENT IS NOT WORKING
//only 1 event
var Result = gCalendarWindow.eventSource.gICalLib.fetchEvent( calendarEvent.id );
if( Result )
{
editEvent( calendarEvent );
}
else
{
//if we have the event already, edit the event
//otherwise, open up a new event dialog
*/
editNewEvent( calendarEvent, null );
//}
}
else
{
//if we have > 1 event, prompt the user to subscribe to the event.
var profileFile = gCalendarWindow.calendarManager.getProfileDirectory();
profileFile.append("Calendar");
profileFile.append("Email"+gCalendarWindow.calendarManager.rootContainer.getSubNodes().length+".ics");
FilePath = profileFile.path;
saveDataToFile(FilePath, result, null);
gCalendarWindow.calendarManager.launchAddCalendarDialog( CalendarName, FilePath );
}
}
}
}
var myInstance = Components.classes["@mozilla.org/network/stream-loader;1"].createInstance(Components.interfaces.nsIStreamLoader);
myInstance.init( Channel, Listener, null );
}
else
{
//not subscribed, prompt the user to do so.
var arrayForNames = Channel.URI.spec.split( "/" );
var CalendarNameWithExtension = arrayForNames[ arrayForNames.length - 1 ];
var CalendarName = CalendarNameWithExtension.replace( ".ics", "" );
this.launchAddCalendarDialog( CalendarName, Channel.URI.spec );
}
}
else
{
//calendarSubscribed is the subscribed calendar object.
if( calendarSubscribed.active == false )
{
calendarSubscribed.active = true;
gCalendarWindow.calendarManager.addCalendar( calendarSubscribed );
document.getElementById( "calendar-list-item-"+calendarSubscribed.serverNumber ).setAttribute( "checked", "true" );
refreshEventTree( false );
refreshToDoTree( false );
gCalendarWindow.currentView.refreshEvents();
}
}
}
calendarManager.prototype.getProfileDirectory = function calMan_getProfileDirectory()
{
var profileComponent = Components.classes["@mozilla.org/profile/manager;1"].createInstance();
var profileInternal = profileComponent.QueryInterface(Components.interfaces.nsIProfileInternal);
var profileFile = profileInternal.getProfileDir(profileInternal.currentProfile);
return( profileFile );
}
calendarManager.prototype.getDefaultServer = function calMan_getDefaultServer()
{
return( this.rootContainer.getSubNodes()[0].getAttribute( "http://home.netscape.com/NC-rdf#path" ) );
}
calendarManager.prototype.getAndConvertAllOldCalendars = function calMan_getAllCalendars()
{
//if the file CalendarDataFile.ics exists in the users profile directory, move it to Calendar/CalendarDataFile.ics
var oldCalendarFile = this.getProfileDirectory();
oldCalendarFile.append( "CalendarDataFile.ics" );
var newCalendarFile = this.getProfileDirectory();
newCalendarFile.append( "Calendar" );
newCalendarFile.append( "CalendarDataFile.ics" );
var oldCalendarDataFile = new File( oldCalendarFile.path );
var newCalendarDataFile = new File( newCalendarFile.path );
if( oldCalendarDataFile.exists() )
{
alert( "moving "+oldCalendarDataFile.path+" to "+newCalendarDataFile.path );
oldCalendarDataFile.copy( newCalendarDataFile.path );
oldCalendarDataFile.remove( );
}
//go through the prefs file, calendars are stored in there.
var ServerArray = getCharPref(prefService.getBranch( "calendar." ), "servers.array", "" );
var ArrayOfCalendars = ServerArray.split( "," );
//don't count the default server, so this starts at 1
for( var i = 1; i < ArrayOfCalendars.length; i++ )
{
if( ArrayOfCalendars[i] >= this.nextCalendarNumber )
this.nextCalendarNumber = parseInt( ArrayOfCalendars[i] )+1;
thisCalendar = new CalendarObject();
try {
thisCalendar.serverNumber = ArrayOfCalendars[i];
thisCalendar.name = getCharPref(prefService.getBranch( "calendar." ), "server"+ArrayOfCalendars[i]+".name", "" );
thisCalendar.path = getCharPref(prefService.getBranch( "calendar." ), "server"+ArrayOfCalendars[i]+".path", "" );
thisCalendar.active = getBoolPref(prefService.getBranch( "calendar." ), "server"+ArrayOfCalendars[i]+".active", false );
thisCalendar.remote = getBoolPref(prefService.getBranch( "calendar." ), "server"+ArrayOfCalendars[i]+".remote", false );
thisCalendar.remotePath = getCharPref(prefService.getBranch( "calendar." ), "server"+ArrayOfCalendars[i]+".remotePath", "" );
this.calendars[ this.calendars.length ] = thisCalendar;
}
catch ( e )
{
dump( "error: could not get calendar information from preferences\n"+e );
}
//now convert it, and put it in the RDF file.
var node = this.rootContainer.addNode(name);
node.setAttribute("http://home.netscape.com/NC-rdf#active", thisCalendar.name);
node.setAttribute("http://home.netscape.com/NC-rdf#serverNumber", this.rootContainer.getSubNodes().length);
node.setAttribute("http://home.netscape.com/NC-rdf#name", thisCalendar.name);
node.setAttribute("http://home.netscape.com/NC-rdf#path", "RemoteCalendar"+this.rootContainer.getSubNodes().length+".ics");
node.setAttribute("http://home.netscape.com/NC-rdf#remote", thisCalendar.remote);
node.setAttribute("http://home.netscape.com/NC-rdf#remotePath", thisCalendar.remotePath);
this.rdf.flush();
//if the file CalendarDataFile.ics exists in the users profile directory, move it to Calendar/CalendarDataFile.ics
var newCalendarFile = this.getProfileDirectory();
newCalendarFile.append( "Calendar" );
newCalendarFile.append( "RemoteCalendar"+this.rootContainer.getSubNodes().length+".ics" );
var oldCalendarDataFile = new File( thisCalendar.path );
var newCalendarDataFile = new File( newCalendarFile.path );
if( oldCalendarDataFile.exists() )
{
alert( "moving "+oldCalendarDataFile.path+" to "+newCalendarDataFile.path );
oldCalendarDataFile.copy( newCalendarDataFile.path );
oldCalendarDataFile.remove( );
}
prefService.getBranch( "calendar." ).clearUserPref( "server"+thisCalendar.serverNumber+".name" );
prefService.getBranch( "calendar." ).clearUserPref( "server"+thisCalendar.serverNumber+".path" );
prefService.getBranch( "calendar." ).clearUserPref( "server"+thisCalendar.serverNumber+".active" );
prefService.getBranch( "calendar." ).clearUserPref( "server"+thisCalendar.serverNumber+".remote" );
prefService.getBranch( "calendar." ).clearUserPref( "server"+thisCalendar.serverNumber+".remotePath" );
}
try
{
prefService.getBranch( "calendar." ).clearUserPref( "server0.active" );
} catch( e ) {
}
try
{
prefService.getBranch( "calendar." ).clearUserPref( "servers.array" );
} catch( e ) {
}
try
{
prefService.getBranch( "calendar." ).clearUserPref( "servers.count" );
} catch( e ) {
}
}
function onResponseAndRefresh( )
{
//check to make sure this is a real calendar file first.
//if its not, it causes Mozilla to crash.
if( request.responseText.indexOf( "BEGIN:VCALENDAR" ) == -1 )
{
return;
}
//save the stream to a file.
saveDataToFile( calendarToGet.getAttribute( "http://home.netscape.com/NC-rdf#path" ), request.responseText, "UTF-8" );
gCalendarWindow.calendarManager.removeCalendar( calendarToGet );
if( calendarToGet.getAttribute( "http://home.netscape.com/NC-rdf#active" ) == "true" )
{
gCalendarWindow.calendarManager.addCalendar( calendarToGet.getAttribute( "http://home.netscape.com/NC-rdf#path" ) );
calendarToGet = null;
}
refreshEventTree( false );
refreshToDoTree( false );
gCalendarWindow.currentView.refreshEvents();
//document.getElementById( "calendar-list-image-"+calendarToGet.getAttribute( "http://home.netscape.com/NC-rdf#serverNumber" ) ).removeAttribute( "synching" );
}
function onError( )
{
alert( "error: Could not load remote calendar" );
}
/*
** swithces the calendar from on to off and off to on
*/
function switchCalendar( event )
{
dump( "\nRemoveCalendar in calendarManager.js: button is "+event.button );
if (event.button != 0)
{
return;
}
var calendarNode = gCalendarWindow.calendarManager.rdf.getNode( event.currentTarget.getAttribute( "id" ) );
if( event.currentTarget.childNodes[0].getAttribute( "checked" ) != "true" )
{
window.setCursor( "wait" );
gCalendarWindow.eventSource.gICalLib.addCalendar( calendarNode.getAttribute( "http://home.netscape.com/NC-rdf#path" ) );
window.setCursor( "default" );
calendarNode.setAttribute( "http://home.netscape.com/NC-rdf#active", "true" );
event.currentTarget.childNodes[0].setAttribute( "checked", "true" );
}
else
{
window.setCursor( "wait" );
gCalendarWindow.eventSource.gICalLib.removeCalendar( calendarNode.getAttribute( "http://home.netscape.com/NC-rdf#path" ) );
window.setCursor( "default" );
calendarNode.setAttribute( "http://home.netscape.com/NC-rdf#active", "false" );
event.currentTarget.childNodes[0].removeAttribute( "checked" );
}
gCalendarWindow.calendarManager.rdf.flush();
refreshEventTree( false );
refreshToDoTree( false );
gCalendarWindow.currentView.refreshEvents();
}
function deleteCalendar( )
{
var calendarObjectToDelete = gCalendarWindow.calendarManager.getSelectedCalendar();
gCalendarWindow.calendarManager.deleteCalendar( calendarObjectToDelete );
refreshEventTree( false );
refreshToDoTree( false );
gCalendarWindow.currentView.refreshEvents();
}
const nsIDragService = Components.interfaces.nsIDragService;
var calendarManagerDNDObserver = {
// This function should return a list of flavours that the object being dragged over can accept.
getSupportedFlavours : function ()
{
var flavourSet = new FlavourSet();
// flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
flavourSet.appendFlavour("text/x-moz-url");
return flavourSet;
},
//Define this function to have something happen when a drag starts
onDragStart: function (aEvent, aXferData, aDragAction)
{
},
// The onDragOver function defines what happens when an object is dragged over.
onDragOver: function (aEvent, aFlavour, aDragSession)
{
},
onDrop: function (aEvent, aXferData, aDragSession)
{
var trans = Components.classes["@mozilla.org/widget/transferable;1"].createInstance(Components.interfaces.nsITransferable);
// trans.addDataFlavor("application/x-moz-file");
trans.addDataFlavor("text/x-moz-url");
aDragSession.getData (trans, i);
var dataObj = new Object();
var bestFlavor = new Object();
var len = new Object();
trans.getAnyTransferData(bestFlavor, dataObj, len);
switch (bestFlavor.value)
{
case "text/x-moz-url":
var droppedUrl = this.retrieveURLFromData(aXferData.data, aXferData.flavour.contentType);
if (!droppedUrl)
return;
// url has spec, fileName, fileBaseName, fileExtension and others
var url = Components.classes["@mozilla.org/network/standard-url;1"].createInstance();
url = url.QueryInterface(Components.interfaces.nsIURL);
url.spec = droppedUrl;
gCalendarWindow.calendarManager.launchAddCalendarDialog(url.fileBaseName, url.spec )
break;
case "application/x-moz-file": // file from OS, we expect it to be iCalendar data
try {
var fileObj = dataObj.value.QueryInterface(Components.interfaces.nsIFile);
var aDataStream = readDataFromFile( fileObj.path );
}
catch(ex) {
alert(ex.message);
}
break;
}
},
onDragExit: function (aEvent, aDragSession)
{
// nothing, doesn't fire for cancel? needed for interval-drag cleanup
},
retrieveURLFromData: function(aData, flavour)
{
switch (flavour)
{
case "text/unicode":
if (aData.search(client.linkRE) != -1)
return aData;
else
return null;
case "text/x-moz-url":
var data = aData.toString();
var separator = data.indexOf("\n");
if (separator != -1)
data = data.substr(0, separator);
return data;
case "application/x-moz-file":
return aData.URL;
}
return null;
}
};