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gecko-dev/calendar/resources/content/importExport.js
mostafah%oeone.com 9ed4e09a60 Checked in patch for bug 258659: 
Export selected events should use timezone offset at exported date to
calculate zulu time, not current offset
2004-09-10 15:43:36 +00:00

1510 lines
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JavaScript
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/* ***** 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
* ArentJan Banck <ajbanck@planet.nl>.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): ArentJan Banck <ajbanck@planet.nl>
* Steve Hampton <mvgrad78@yahoo.com>
* Eric Belhaire <belhaire@ief.u-psud.fr>
* Jussi Kukkonen <jussi.kukkonen@welho.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 ***** */
/**** calendarImportExport
* Unit with functions to convert calendar events to and from different formats.
*
Requires dateUtils.js
<script type="application/x-javascript"
src="chrome://calendar/content/dateUtils.js"/>
****/
// XSL stylesheet directory
var convertersDirectory = "chrome://calendar/content/converters/";
// File constants copied from file-utils.js
const MODE_RDONLY = 0x01;
const MODE_WRONLY = 0x02;
const MODE_RDWR = 0x04;
const MODE_CREATE = 0x08;
const MODE_APPEND = 0x10;
const MODE_TRUNCATE = 0x20;
const MODE_SYNC = 0x40;
const MODE_EXCL = 0x80;
const filterCalendar = gCalendarBundle.getString( "filterCalendar" );
const extensionCalendar = ".ics";
const filtervCalendar = gCalendarBundle.getString( "filtervCalendar" );
const extensionvCalendar = ".vcs";
const filterXcs = gCalendarBundle.getString("filterXcs");
const extensionXcs = ".xcs";
const filterXml = gCalendarBundle.getString("filterXml");
const extensionXml = ".xml";
const filterRtf = gCalendarBundle.getString("filterRtf");
const extensionRtf = ".rtf";
const filterHtml = gCalendarBundle.getString("filterHtml");
const extensionHtml = ".html";
const filterCsv = gCalendarBundle.getString("filterCsv");
const filterOutlookCsv = gCalendarBundle.getString("filterOutlookCsv");
const extensionCsv = ".csv";
const filterRdf = gCalendarBundle.getString("filterRdf");
const extensionRdf = ".rdf";
if( opener && "gICalLib" in opener && opener.gICalLib )
gICalLib = opener.gICalLib;
// convert to and from Unicode for file i/o
function convertFromUnicode( aCharset, aSrc )
{
// http://lxr.mozilla.org/mozilla/source/intl/uconv/idl/nsIScriptableUConv.idl
var unicodeConverter = Components.classes["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
unicodeConverter.charset = aCharset;
return unicodeConverter.ConvertFromUnicode( aSrc );
}
function convertToUnicode(aCharset, aSrc )
{
// http://lxr.mozilla.org/mozilla/source/intl/uconv/idl/nsIScriptableUConv.idl
var unicodeConverter = Components.classes["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
unicodeConverter.charset = aCharset;
return unicodeConverter.ConvertToUnicode( aSrc );
}
/**** loadEventsFromFile
* shows a file dialog, reads the selected file(s) and tries to parse events from it.
*/
function loadEventsFromFile()
{
const nsIFilePicker = Components.interfaces.nsIFilePicker;
var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
fp.init(window, gCalendarBundle.getString("Open"), nsIFilePicker.modeOpenMultiple);
fp.defaultExtension = "ics";
fp.appendFilter( filterCalendar, "*" + extensionCalendar );
fp.appendFilter( filterXcs, "*" + extensionXcs );
fp.appendFilter( filterOutlookCsv, "*" + extensionCsv );
fp.appendFilter( filtervCalendar, "*" + extensionvCalendar );
fp.show();
var filesToAppend = fp.files;
if (filesToAppend && filesToAppend.hasMoreElements())
{
var calendarEventArray = new Array();
var duplicateEventArray = new Array();
var currentFile;
var aDataStream;
var i;
var tempEventArray;
var date = new Date();
while (filesToAppend.hasMoreElements())
{
currentFile = filesToAppend.getNext().QueryInterface(Components.interfaces.nsILocalFile);
aDataStream = readDataFromFile( currentFile.path, "UTF-8" );
switch (fp.filterIndex) {
case 0 : // ics
case 3 : // vcs
tempEventArray = parseIcalData( aDataStream );
break;
case 1 : // xcs
tempEventArray = parseXCSData( aDataStream );
break;
case 2: // csv
tempEventArray = parseOutlookCSVData( aDataStream );
break;
default:
tempEventArray = null;
break;
}
if( tempEventArray ) {
for( i = 0; i < tempEventArray.length; i++ ) {
date.setTime( tempEventArray[i].start.getTime() );
if( entryExists( date, tempEventArray[i].title ) )
duplicateEventArray[duplicateEventArray.length] = tempEventArray[i];
else
calendarEventArray[calendarEventArray.length] = tempEventArray[i];
}
}
}
var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService();
promptService = promptService.QueryInterface(Components.interfaces.nsIPromptService);
var result = {value:0};
var importText = gCalendarBundle.getFormattedString( "aboutToImport", [calendarEventArray.length]);
var dupeText = gCalendarBundle.getFormattedString( "aboutToImportDupes", [duplicateEventArray.length]);
var importAllStr = gCalendarBundle.getString( "importAll" );
var promptStr = gCalendarBundle.getString( "promptForEach" );
var discardAllStr = gCalendarBundle.getString( "discardAll" );
var flags = ( promptService.BUTTON_TITLE_IS_STRING * promptService.BUTTON_POS_0 ) +
( promptService.BUTTON_TITLE_IS_STRING * promptService.BUTTON_POS_1 ) +
( promptService.BUTTON_TITLE_IS_STRING * promptService.BUTTON_POS_2 );
// Ask user what to import (all / prompt each / none)
var buttonPressed;
if (calendarEventArray.length > 0) {
buttonPressed = promptService.confirmEx( window, "Import", importText, flags,
importAllStr, discardAllStr, promptStr,
null, result );
if(buttonPressed == 0) // Import all
addEventsToCalendar( calendarEventArray, true );
else if(buttonPressed == 2) // prompt
addEventsToCalendar( calendarEventArray );
//else if(buttonPressed == 1) // discard all
}
// Ask user what to do with duplicates
if (duplicateEventArray.length > 0) {
buttonPressed = promptService.confirmEx( window, "Import duplicates", dupeText, flags,
importAllStr, discardAllStr, promptStr,
null, result );
if(buttonPressed == 0) // Import all
addEventsToCalendar( duplicateEventArray, true );
else if(buttonPressed == 2) // Prompt for each
addEventsToCalendar( duplicateEventArray );
//else if(buttonPressed == 1) // Discard all
}
// If there were no events to import, let the user know
//
if (calendarEventArray.length == 0 && duplicateEventArray.length == 0 )
alert( gCalendarBundle.getString( "noEventsToImport" ) );
}
return true;
}
/**** createUniqueID
*
* Creates a new unique ID. Format copied from the oeICalImpl.cpp AddEvent function
*/
function createUniqueID()
{
var newID = "";
while( (newID == "") || (gICalLib.fetchEvent( newID ) != null) )
newID = Math.round(900000000 + (Math.random() * 100000000));
return newID;
}
/**** insertEvents
*
* Takes an array of events and adds the evens one by one to the calendar
*/
function addEventsToCalendar( calendarEventArray, silent, ServerName )
{
gICalLib.batchMode = true;
for(var i = 0; i < calendarEventArray.length; i++)
{
calendarEvent = calendarEventArray[i];
// Check if event with same ID already in Calendar. If so, import event with new ID.
if( gICalLib.fetchEvent( calendarEvent.id ) != null ) {
calendarEvent.id = createUniqueID( );
}
// the start time is in zulu time, need to convert to current time
if(calendarEvent.allDay != true)
convertZuluToLocalEvent( calendarEvent );
// open the event dialog with the event to add
if( silent )
{
if( ServerName == null || ServerName == "" || ServerName == false )
{
//see if there's a server selected in the calendar window first
//get the selected calendar
if( document.getElementById( "list-calendars-listbox" ) )
{
var selectedCalendarItem = document.getElementById( "list-calendars-listbox" ).selectedItem;
if( selectedCalendarItem )
{
ServerName = selectedCalendarItem.getAttribute( "calendarPath" );
}
else
{
//otherwise use the default
ServerName = gCalendarWindow.calendarManager.getDefaultServer();
}
}
else
{
//otherwise use the default
ServerName = gCalendarWindow.calendarManager.getDefaultServer();
}
}
// LINAGORA (We need to see the new added event in the window and to update remote cal)
addEventDialogResponse( calendarEvent, ServerName );
/* gICalLib.addEvent( calendarEvent, ServerName ); */
}
else
editNewEvent( calendarEvent );
}
gICalLib.batchMode = false;
}
/** oeDateTime is an oeDateTime object, not a javascript date **/
function convertZuluToLocalOEDateTime( oeDateTime )
{
if (oeDateTime.utc == true)
{
// At zulu (utc) time, compute offset from zulu time to local time.
// Offset depends on datetime because of daylight-time/summer-time changes.
var zuluMillis = oeDateTime.getTime();
var offsetMillisAtZuluTime = new Date(zuluMillis).getTimezoneOffset() * 60 * 1000;
oeDateTime.setTime(oeDateTime.getTime() - offsetMillisAtZuluTime);
oeDateTime.utc = false;
}
}
/** oeDateTime is an oeDateTime object, not a javascript date **/
function convertLocalToZuluOEDateTime( oeDateTime )
{
if (oeDateTime.utc == false)
{
// At local time, compute offset from zulu time to local time.
// Offset depends on datetime because of daylight-time/summer-time changes.
var localJSDate = new Date(oeDateTime.year,
oeDateTime.month,
oeDateTime.day,
oeDateTime.hour,
oeDateTime.minute);
var offsetMillisAtLocalTime = localJSDate.getTimezoneOffset() * 60 * 1000;
oeDateTime.setTime(oeDateTime.getTime() + offsetMillisAtLocalTime);
oeDateTime.utc = true;
}
}
function convertZuluToLocalEvent( calendarEvent )
{
convertZuluToLocalOEDateTime(calendarEvent.start);
convertZuluToLocalOEDateTime(calendarEvent.end);
}
function convertLocalToZuluEvent( calendarEvent )
{
convertLocalToZuluOEDateTime(calendarEvent.start);
convertLocalToZuluOEDateTime(calendarEvent.end);
}
/**
* Initialize an event with a start and end date.
*/
function initCalendarEvent( calendarEvent )
{
var startDate = gCalendarWindow.currentView.getNewEventDate();
var Minutes = Math.ceil( startDate.getMinutes() / 5 ) * 5 ;
startDate = new Date( startDate.getFullYear(),
startDate.getMonth(),
startDate.getDate(),
startDate.getHours(),
Minutes,
0);
calendarEvent.start.setTime( startDate );
var MinutesToAddOn = getIntPref(gCalendarWindow.calendarPreferences.calendarPref, "event.defaultlength", 60 );
var endDateTime = startDate.getTime() + ( 1000 * 60 * MinutesToAddOn );
calendarEvent.end.setTime( endDateTime );
}
function datesAreEqual(icalDate, date) {
if (
icalDate.month == date.getMonth() &&
icalDate.day == date.getDate() &&
icalDate.year == date.getFullYear() &&
icalDate.hour == date.getHours() &&
icalDate.minute == date.getMinutes())
return true;
else
return false;
}
function entryExists( date, subject) {
var events = gEventSource.getEventsForDay( date );
var ret = false;
if (events.length == 0)
return false;
for (var i = 0; i < events.length; i++) {
var event = events[i].event;
if ( event.title == subject && datesAreEqual(event.start, date)) {
ret = true;
break;
}
}
return ret;
}
function promptToKeepEntry(title, startTime, endTime)
{
return confirm(
gCalendarBundle.getString( "addDuplicate" )+"\n\n" +
gCalendarBundle.getString( "eventTitle" )+ title + "\n" +
gCalendarBundle.getString( "eventStartTime" )+ startTime.toString() + "\n" +
gCalendarBundle.getString( "eventEndTime" )+ endTime.toString() + "\n"
);
}
/**** parseOutlookCSVData
*
* Takes a text block of Outlook-exported Comma Separated Values and tries to
* parse that into individual events (with a mother-of-all-regexps).
* Returns: an array of new calendarEvents and
* an array of events that are duplicates with existing ones.
*/
function parseOutlookCSVData( outlookCsvStr ) {
// boolRegExp: regexp for finding a boolean value from event (6. field)
// headerRegExp: regexp for reading CSV header line
// eventRegExp: regexp for reading events (this one'll be constructed on fly)
var boolRegExp = /^".*?",".*?",".*?",".*?",".*?","(.*?)","/;
var headerRegExp = /^"(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)","(.*?)"/g;
var eventRegExp;
headerRegExp.lastIndex=0;
//array for storing events values (from eventRegExp)
var eventFields;
var formater = new DateFormater();
var sDate;
var eDate;
var alarmDate;
var calendarEvent;
var eventArray = new Array();
var dupArray = new Array();
var args;
var knownIndxs = 0;
var boolTestFields;
var header = headerRegExp( outlookCsvStr );
if( header != null ) {
//strip header from string
outlookCsvStr = outlookCsvStr.slice(headerRegExp.lastIndex + 2);
// get a sample boolean value from the first event.
// Note: this asssumes that field number 6 is a boolean value
boolTestFields = boolRegExp(outlookCsvStr);
if( ( boolTestFields != null ) && ( boolTestFields[1].length>0 ) ) {
args = new Object();
//args.cancelled is about window cancel, not about event
args.cancelled = false;
//args.fieldList contains the field names from the first row of CSV
args.fieldList = header.slice(1);
args.boolStr = boolTestFields[1];
// set default indexes for a Outlook2000 CSV file
args.titleIndex = 1;
args.startDateIndex = 2;
args.startTimeIndex = 3;
args.endDateIndex = 4;
args.endTimeIndex = 5;
args.allDayIndex = 6;
args.alarmIndex = 7;
args.alarmDateIndex = 8;
args.alarmTimeIndex = 9;
args.categoriesIndex = 15;
args.descriptionIndex = 16;
args.locationIndex = 17;
args.privateIndex = 20;
// set indexes if Outlook language happened to be english
for( var i = 1; i < header.length; i++)
switch( header[i] ) {
case "Subject": args.titleIndex = i; knownIndxs++; break;
case "Start Date": args.startDateIndex = i; knownIndxs++; break;
case "Start Time": args.startTimeIndex = i; knownIndxs++; break;
case "End Date": args.endDateIndex = i; knownIndxs++; break;
case "End Time": args.endTimeIndex = i; knownIndxs++; break;
case "All day event": args.allDayIndex = i; knownIndxs++; break;
case "Reminder on/off": args.alarmIndex = i; knownIndxs++; break;
case "Reminder Date": args.alarmDateIndex = i; knownIndxs++; break;
case "Reminder Time": args.alarmTimeIndex = i; knownIndxs++; break;
case "Categories": args.categoriesIndex = i; knownIndxs++; break;
case "Description": args.descriptionIndex = i; knownIndxs++; break;
case "Location": args.locationIndex = i; knownIndxs++; break;
case "Private": args.privateIndex = i; knownIndxs++; break;
}
// again, if language is english...
if( args.boolStr == "True" ) args.boolIsTrue = true;
else if( args.boolStr == "False" ) args.boolIsTrue = false;
// show field select -dialog if language wasn't english
// (or if MS decided to change column names)
if( ( args.boolIsTrue == null ) || ( knownIndxs != 13 ) ) {
// just any value...
args.boolIsTrue = false;
// Dialog will update values in args.* according to user choices.
window.setCursor( "wait" );
openDialog( "chrome://calendar/content/outlookImportDialog.xul", "caOutlookImport", "chrome,modal,resizable=yes", args );
}
if( !args.cancelled ) {
// Construct event regexp according to field indexes. The regexp can
// be made stricter, if it seems this matches too loosely.
var regExpStr = "^";
for( i = 1; i < header.length; i++ ) {
if( i != 1 )
regExpStr += ",";
if( i == args.descriptionIndex )
regExpStr += "(.*?(?:[\\s\\S]*?).*?)";
else
regExpStr += "(.*?)";
}
regExpStr += "\\r\\n";
eventRegExp = new RegExp( regExpStr, "gm" );
eventFields = eventRegExp( outlookCsvStr );
if( eventFields != null ) {
do {
eventFields[0] ="";
//strip quotation marks
for( i=1; i < eventFields.length; i++ )
if( eventFields[i].length > 0 )
eventFields[i] = eventFields[i].slice( 1, -1 );
// At this point eventFields contains following fields. Position
// of fields is in args.[fieldname]Index.
// subject, start date, start time, end date, end time,
// all day?, alarm?, alarm date, alarm time,
// Description, Categories, Location, Private?
// Unused fields (could maybe be copied to Description):
// Meeting Organizer, Required Attendees, Optional Attendees,
// Meeting Resources, Billing Information, Mileage, Priority,
// Sensitivity, Show time as
//parseShortDate magically decides the format (locale) of dates/times
sDate = formater.parseShortDate( eventFields[args.startDateIndex] + " " +
eventFields[args.startTimeIndex] );
eDate = formater.parseShortDate( eventFields[args.endDateIndex] + " " +
eventFields[args.endTimeIndex] );
alarmDate = formater.parseShortDate( eventFields[args.alarmDateIndex] + " " +
eventFields[args.alarmTimeIndex] );
if( ( sDate != null ) && ( eDate != null ) ) {
calendarEvent = createEvent();
calendarEvent.id = createUniqueID();
calendarEvent.title = eventFields[args.titleIndex];
calendarEvent.start.setTime( sDate );
calendarEvent.end.setTime( eDate );
calendarEvent.alarmLength = Math.round( ( sDate - alarmDate ) / kDate_MillisecondsInMinute );
calendarEvent.alarmUnits = "minutes";
calendarEvent.setParameter( "ICAL_RELATED_PARAMETER", "ICAL_RELATED_START" );
calendarEvent.description = eventFields[args.descriptionIndex];
calendarEvent.categories = eventFields[args.categoriesIndex];
calendarEvent.location = eventFields[args.locationIndex];
if( args.boolIsTrue ) {
calendarEvent.allDay = ( eventFields[args.allDayIndex] == args.boolStr );
calendarEvent.alarm = ( eventFields[args.alarmIndex] == args.boolStr );
calendarEvent.privateEvent = ( eventFields[args.privateIndex] == args.boolStr );
} else {
calendarEvent.allDay = ( eventFields[args.allDayIndex] != args.boolStr );
calendarEvent.alarm = ( eventFields[args.alarmIndex] != args.boolStr );
calendarEvent.privateEvent = ( eventFields[args.privateIndex] != args.boolStr );
}
//save the event into return array
eventArray[eventArray.length] = calendarEvent;
}
//get next events fields
eventFields = eventRegExp( outlookCsvStr );
} while( eventRegExp.lastIndex !=0 )
}
}
}
}
return eventArray;
}
/**** parseIcalData
*
* Takes a text block of iCalendar events and tries to split that into individual events.
* Parses those events and returns an array of calendarEvents.
*/
function parseIcalData( icalStr )
{
var calendarEventArray = new Array();
while( icalStr.indexOf("BEGIN:VEVENT") != -1 )
{
// try to find the begin and end of an event. ParseIcalString does not support VCALENDAR
var i = icalStr.indexOf("BEGIN:VEVENT");
var j = icalStr.indexOf("END:VEVENT") + 10;
var eventData = icalStr.substring(i, j);
calendarEvent = createEvent();
// if parsing import iCalendar failed, add date as description
if ( !calendarEvent.parseIcalString(eventData) )
{
// initialize start and end dates.
initCalendarEvent( calendarEvent );
// Save the parsed text as description.
calendarEvent.description = icalStr;
}
calendarEventArray[ calendarEventArray.length ] = calendarEvent;
// remove the parsed VEVENT from the calendar data to parse
icalStr = icalStr.substring(j+1);
}
return calendarEventArray;
}
/**** parseXCSData
*
*/
function parseXCSData( xcsString )
{
var gParser = new DOMParser;
var xmlDocument = gParser.parseFromString(xcsString, 'text/xml');
var result = serializeDocument(xmlDocument, "xcs2ics.xsl");
return parseIcalData( result );
}
/**** readDataFromFile
*
* read data from a file. Returns the data read.
*/
function readDataFromFile( aFilePath, charset )
{
const LOCALFILE_CTRID = "@mozilla.org/file/local;1";
const FILEIN_CTRID = "@mozilla.org/network/file-input-stream;1";
const SCRIPTSTREAM_CTRID = "@mozilla.org/scriptableinputstream;1";
const nsILocalFile = Components.interfaces.nsILocalFile;
const nsIFileInputStream = Components.interfaces.nsIFileInputStream;
const nsIScriptableInputStream = Components.interfaces.nsIScriptableInputStream;
var localFileInstance = Components.classes[LOCALFILE_CTRID].createInstance( nsILocalFile );
localFileInstance.initWithPath( aFilePath );
var inputStream = Components.classes[FILEIN_CTRID].createInstance( nsIFileInputStream );
try
{
var tmp; // not sure what the use is for this
inputStream.init( localFileInstance, MODE_RDONLY, 0444, tmp );
var scriptableInputStream = Components.classes[SCRIPTSTREAM_CTRID].createInstance( nsIScriptableInputStream);
scriptableInputStream.init( inputStream );
var aDataStream = scriptableInputStream.read( -1 );
scriptableInputStream.close();
inputStream.close();
if( charset)
aDataStream = convertToUnicode( charset, aDataStream );
}
catch(ex)
{
alert( gCalendarBundle.getString( "unableToRead" ) + aFilePath + "\n"+ex );
}
return aDataStream;
}
/**** saveEventsToFile
*
* Save data to a file. Create the file or overwrite an existing file.
* Input an array of calendar events, or no parameter for selected events.
*/
function saveEventsToFile( calendarEventArray )
{
if( !calendarEventArray)
calendarEventArray = gCalendarWindow.EventSelection.selectedEvents;
if (calendarEventArray.length == 0)
{
alert( gCalendarBundle.getString( "noEventsToSave" ) );
return;
}
// Show the 'Save As' dialog and ask for a filename to save to
const nsIFilePicker = Components.interfaces.nsIFilePicker;
var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
// caller can force disable of sand box, even if ON globally
fp.init(window, gCalendarBundle.getString("SaveAs"), nsIFilePicker.modeSave);
if(calendarEventArray.length == 1 && calendarEventArray[0].title)
fp.defaultString = calendarEventArray[0].title;
else
fp.defaultString = gCalendarBundle.getString( "defaultFileName" );
fp.defaultExtension = "ics";
fp.appendFilter( filterCalendar, "*" + extensionCalendar );
fp.appendFilter( filterRtf, "*" + extensionRtf );
fp.appendFilters(nsIFilePicker.filterHTML);
fp.appendFilter( filterCsv, "*" + extensionCsv );
fp.appendFilter( filterXcs, "*" + extensionXcs );
fp.appendFilter( filterRdf, "*" + extensionRdf );
fp.appendFilter( filtervCalendar, "*" + extensionvCalendar );
fp.show();
// Now find out as what to save, convert the events and save to file.
if (fp.file && fp.file.path.length > 0)
{
const UTF8 = "UTF-8";
var aDataStream;
var extension;
var charset;
switch (fp.filterIndex) {
case 0 : // ics
aDataStream = eventArrayToICalString( calendarEventArray, true );
extension = extensionCalendar;
charset = "UTF-8";
break;
case 1 : // rtf
aDataStream = eventArrayToRTF( calendarEventArray );
extension = extensionRtf;
break;
case 2 : // html
aDataStream = eventArrayToHTML( calendarEventArray );
extension = ".htm";
charset = "UTF-8";
break;
case 3 : // csv
aDataStream = eventArrayToCsv( calendarEventArray );
extension = extensionCsv;
charset = "UTF-8";
break;
case 4 : // xCal
aDataStream = eventArrayToXCS( calendarEventArray );
extension = extensionXcs;
charset = "UTF-8";
break;
case 5 : // rdf
aDataStream = eventArrayToRdf( calendarEventArray );
extension = extensionRdf;
charset = "UTF-8";
break;
case 6 : // vcs
aDataStream = eventArrayToICalString( calendarEventArray, true );
extension = extensionvCalendar;
charset = "UTF-8";
break;
}
var filePath = fp.file.path;
if(filePath.indexOf(".") == -1 )
filePath += extension;
saveDataToFile( filePath, aDataStream, charset );
}
}
/**** eventArrayToICalString
* Converts a array of events to iCalendar text
* If doPatchForExport is true:
* - If all events have same method, merges components into one VCALENDAR.
* Times converted to Zulu, so no VTIMEZONEs expected (so no dup VTIMEZONES).
* - Patches TRIGGER syntax for Outlook compatibility.
* - Converts line terminators to full \r\n as specified by RFC2445.
*/
function eventArrayToICalString( calendarEventArray, doPatchForExport )
{
if( !calendarEventArray)
calendarEventArray = gCalendarWindow.EventSelection.selectedEvents;
var doMerge = doPatchForExport;
var eventArrayIndex;
if (doPatchForExport && calendarEventArray.length > 0)
{
// will merge into one VCALENDAR if all events have same method
var firstMethod = calendarEventArray[0].method;
for( eventArrayIndex = 1; eventArrayIndex < calendarEventArray.length; ++eventArrayIndex )
{
if (calendarEventArray[eventArrayIndex].method != firstMethod)
{
doMerge = false;
break;
}
}
}
var eventStrings = new Array(calendarEventArray.length);
for( eventArrayIndex = 0; eventArrayIndex < calendarEventArray.length; ++eventArrayIndex )
{
var calendarEvent = calendarEventArray[ eventArrayIndex ].clone();
// convert time to represent local to produce correct DTSTART and DTEND
if(calendarEvent.allDay != true)
convertLocalToZuluEvent( calendarEvent );
// check if all required properties are available
if( calendarEvent.method == 0 )
calendarEvent.method = calendarEvent.ICAL_METHOD_PUBLISH;
if( calendarEvent.stamp.year == 0 )
calendarEvent.stamp.setTime( new Date() );
var eventString = calendarEvent.getIcalString();
if ( doPatchForExport )
{
if (doMerge)
{
// include VCALENDAR version, prodid, method only on first component
var begin = (eventArrayIndex == 0
? 0
: eventString.indexOf("BEGIN:", 15+eventString.indexOf("BEGIN:VCALENDAR")));
// include END:VCALENDAR only on last component
var end = (eventArrayIndex == calendarEventArray.length - 1
? eventString.length
: eventString.lastIndexOf("END:VCALENDAR"));
// Include components between begin and end.
// (Since times are all Zulu times, no VTIMEZONEs are expected,
// so safe to assume no duplicate VTIMEZONES need to be removed.)
eventString = eventString.slice(begin, end);
}
// patch TRIGGER for Outlook compatibility (before \r\n fix)
eventString = patchICalStringForExport(eventString);
// make sure all line terminators are full \r\n as required by rfc2445
eventString = eventString.replace(/\r\n|\n|\r/g, "\r\n");
}
// collect result in array, will join at end
eventStrings[eventArrayIndex] = eventString;
}
// concatenate all at once to avoid excess string copying on long calendars.
return eventStrings.join("");
}
/**** patchICalStringForExport
* Function to hack an iCalendar text block for use in other applications
* Patch TRIGGER field for Outlook
*/
function patchICalStringForExport( sTextiCalendar )
{
// HACK: TRIGGER patch hack for Outlook 2000
var i = sTextiCalendar.indexOf("TRIGGER\n ;VALUE=DURATION\n :-");
if(i != -1) {
sTextiCalendar =
sTextiCalendar.substring(0,i+27) + sTextiCalendar.substring(i+28, sTextiCalendar.length);
}
return sTextiCalendar;
}
/**
* Converts a array of events to a block of HTML code
* Sample:
* Summary: Phone Conference
* When: Thursday, November 09, 2000 11:00 PM -- 11:30 PM
* Where: San Francisco
* Organizer: foo1@example.com
*
* Agenda [Description]
* 1. Progress
* a. marketing
* b. engineering
* 2. Competition
*
* Description may be preformatted text with line breaks.
* If contains no indentation, then HTML <br> used for line breaks.
* otherwise description is enclosed in HTML <pre>...</pre>
* In When, plain text N-dash (--) converted to HTML &ndash;.
*/
function eventArrayToHTML( calendarEventArray )
{
sHTMLHeader =
"<html>\n" + "<head>\n" + "<title>"+gCalendarBundle.getString( "HTMLTitle" )+"</title>\n" +
"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n" +
"</head>\n"+ "<body bgcolor=\"#FFFFFF\" text=\"#000000\">\n";
sHTMLFooter =
"\n</body>\n</html>\n";
var sHTMLText = sHTMLHeader;
var dateFormat = new DateFormater();
for( var eventArrayIndex = 0; eventArrayIndex < calendarEventArray.length; ++eventArrayIndex )
{
var calendarEvent = calendarEventArray[ eventArrayIndex ];
var start = new Date(calendarEvent.start.getTime());
var end = new Date(calendarEvent.end.getTime());
var when = dateFormat.formatInterval(start, end, calendarEvent.allDay);
var desc = calendarEvent.description;
if (desc == null)
desc = "";
if (desc.length > 0) {
if (desc.indexOf("\n ") >= 0 || desc.indexOf("\n\t") >= 0 ||
desc.indexOf(" ") == 0 || desc.indexOf("\t") == 0)
// (RegExp /^[ \t]/ doesn't work.)
// contains indented preformatted text after beginning or newline
// so preserve indentation with PRE.
desc = "<PRE>"+desc+"</PRE>\n";
else
// no indentation, so preserve text line breaks in html with BR
desc = "<P>"+desc.replace(/\n/g, "<BR>\n")+"</P>\n";
}
// use div around each event so events are navigable via DOM.
sHTMLText += "<div><p>";
sHTMLText += "<B>"+gCalendarBundle.getString( "eventTitle" )+"</B>\t" + calendarEvent.title + "<BR>\n";
sHTMLText += "<B>"+gCalendarBundle.getString( "eventWhen" )+"</B>\t" + when.replace("--", "&ndash;") + "<BR>\n";
sHTMLText += "<B>"+gCalendarBundle.getString( "eventWhere" )+"</B>\t" + calendarEvent.location + "<BR>\n";
// sHTMLText += "<B>Organiser: </B>\t" + Event.???
sHTMLText += "</p>\n";
sHTMLText += desc; // may be empty
sHTMLText += "</div>\n";
}
sHTMLText += sHTMLFooter;
return sHTMLText;
}
/**** eventArrayToRTF
* Converts a array of events to a block of text in Rich Text Format
* Sample:
* Summary: Phone Conference
* When: Thursday, November 09, 2000 11:00 PM -- 11:30 PM
* Where: San Francisco
* Organizer: foo1@example.com
*
* Agenda [Description]
* 1. Progress
* a. marketing
* b. engineering
* 2. Competition
*
* Description may be preformatted text with line breaks.
* In when, plain text N-dash (--) converted to RTF \endash.
*/
function eventArrayToRTF( calendarEventArray )
{
sRTFHeader =
"{\\rtf1\\ansi\\ansicpg1252\\deff0\\deflang1033{\\fonttbl{\\f0\\fswiss\\fcharset0 Arial;}{\\f1\\fmodern\\fcharset0 Courier New;}}" +
"{\\colortbl ;\\red0\\green0\\blue0;}" +
"\\viewkind4\\uc1\\pard\\fi-1800\\li1800\\tx1800\\cf1";
sRTFFooter =
"\\pard\\fi-1800\\li1800\\tx1800\\cf1\\f0\\par}";
var sRTFText = sRTFHeader;
var dateFormat = new DateFormater();
for( var eventArrayIndex = 0; eventArrayIndex < calendarEventArray.length; ++eventArrayIndex )
{
var calendarEvent = calendarEventArray[ eventArrayIndex ];
var start = new Date(calendarEvent.start.getTime());
var end = new Date(calendarEvent.end.getTime());
var when = dateFormat.formatInterval(start, end, calendarEvent.allDay);
var desc = calendarEvent.description;
if (desc == null)
desc = "";
if (desc.length > 0) {
if (desc.charAt(desc.length - 1) != "\n")
desc = desc+"\n"; // add final newline if doesn't end with newline
desc += "\n"; // add blank line after non-empty description
}
sRTFText += "\\b\\f0\\fs20 " + gCalendarBundle.getString( "eventTitle" ) + "\\b0\\tab " + calendarEvent.title + "\\par\n";
sRTFText += "\\b " + gCalendarBundle.getString( "eventWhen" ) + "\\b0\\tab " + when.replace("--", "\\endash ") + "\\par\n";
sRTFText += "\\b " + gCalendarBundle.getString( "eventWhere" ) + "\\b0\\tab " + calendarEvent.location + "\\par\n";
sRTFText += "\\par\n";
sRTFText += desc.replace(/\n/g, "\\par\n"); // preserve text line breaks in rtf with \\par
}
sRTFText += sRTFFooter;
return sRTFText;
}
/**** eventArrayToXML
* Converts a array of events to a XML string
*/
/*
function eventArrayToXML( calendarEventArray )
{
var xmlDocument = getXmlDocument( calendarEventArray );
var serializer = new XMLSerializer;
return serializer.serializeToString (xmlDocument )
}
*/
/**** eventArrayToCsv
* Converts a array of events to comma delimited text.
*/
function eventArrayToCsv( calendarEventArray )
{
var xcsDocument = getXcsDocument( calendarEventArray );
return serializeDocument( xcsDocument, "xcs2csv.xsl" );
}
/**** eventArrayToRdf
* Converts a array of events to RDF
*/
function eventArrayToRdf( calendarEventArray )
{
var xcsDocument = getXcsDocument( calendarEventArray );
return serializeDocument( xcsDocument, "xcs2rdf.xsl" );
}
/**** eventArrayToXCS
* Converts a array of events to a xCal string
*/
function eventArrayToXCS( calendarEventArray )
{
var xmlDoc = getXmlDocument( calendarEventArray );
var xcsDoc = transformXML( xmlDoc, "xml2xcs.xsl" );
// add the doctype
/* Doctype uri blocks excel import
var newdoctype = xcsDoc.implementation.createDocumentType(
"iCalendar",
"-//IETF//DTD XCAL//iCalendar XML//EN",
"http://www.ietf.org/internet-drafts/draft-ietf-calsch-many-xcal-02.txt");
if (newdoctype)
xcsDoc.insertBefore(newdoctype, xcsDoc.firstChild);
*/
var serializer = new XMLSerializer;
// XXX MAJOR UGLY HACK!! Serializer doesn't insert XML Declaration
// http://bugzilla.mozilla.org/show_bug.cgi?id=63558
var serialDocument = serializer.serializeToString ( xcsDoc );
if( serialDocument.indexOf( "<?xml" ) == -1 )
serialDocument = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + serialDocument;
return serialDocument;
// return serializer.serializeToString ( xcsDoc )
}
/**** saveDataToFile
*
* Save data to a file. Creates a new file or overwrites an existing file.
*/
function saveDataToFile(aFilePath, aDataStream, charset)
{
const LOCALFILE_CTRID = "@mozilla.org/file/local;1";
const FILEOUT_CTRID = "@mozilla.org/network/file-output-stream;1";
const nsILocalFile = Components.interfaces.nsILocalFile;
const nsIFileOutputStream = Components.interfaces.nsIFileOutputStream;
var outputStream;
var localFileInstance = Components.classes[LOCALFILE_CTRID].createInstance(nsILocalFile);
localFileInstance.initWithPath(aFilePath);
outputStream = Components.classes[FILEOUT_CTRID].createInstance(nsIFileOutputStream);
try
{
if(charset)
aDataStream = convertFromUnicode( charset, aDataStream );
outputStream.init(localFileInstance, MODE_WRONLY | MODE_CREATE | MODE_TRUNCATE, 0664, 0);
outputStream.write(aDataStream, aDataStream.length);
// outputStream.flush();
outputStream.close();
}
catch(ex)
{
alert(gCalendarBundle.getString( "unableToWrite" ) + aFilePath );
}
}
////////////////////////////////////
// XML/XSL functions //
////////////////////////////////////
/**
* Get the local path to the chrome directory
*/
/*
function getChromeDir()
{
const JS_DIR_UTILS_FILE_DIR_CID = "@mozilla.org/file/directory_service;1";
const JS_DIR_UTILS_I_PROPS = "nsIProperties";
const JS_DIR_UTILS_DIR = new Components.Constructor(JS_DIR_UTILS_FILE_DIR_CID, JS_DIR_UTILS_I_PROPS);
const JS_DIR_UTILS_CHROME_DIR = "AChrom";
var rv;
try
{
rv=(new JS_DIR_UTILS_DIR()).get(JS_DIR_UTILS_CHROME_DIR, Components.interfaces.nsIFile);
}
catch (e)
{
//jslibError(e, "(unexpected error)", "NS_ERROR_FAILURE", JS_DIR_UTILS_FILE+":getChromeDir");
rv=null;
}
return rv;
}
function getTemplatesPath( templateName )
{
var templatesDir = getChromeDir();
templatesDir.append( "calendar" );
templatesDir.append( "content" );
templatesDir.append( "templates" );
templatesDir.append( templateName );
return templatesDir.path;
}
function xslt(xmlUri, xslUri)
{
// TODO: Check uri's for CHROME:// and convert path to local path
var xslProc = new XSLTProcessor();
var result = document.implementation.createDocument("", "", null);
var xmlDoc = document.implementation.createDocument("", "", null);
var xslDoc = document.implementation.createDocument("", "", null);
xmlDoc.load(xmlUri, "text/xml");
xslDoc.load(xslUri, "text/xml");
xslProc.transformDocument(xmlDoc, xslDoc, result, null);
return result;
}
*/
/** PRIVATE
*
* Opens a file and returns the content
* It supports Uri's like chrome://
*/
function loadFile(aUriSpec)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var serv = Components.classes["@mozilla.org/network/io-service;1"].
getService(Components.interfaces.nsIIOService);
if (!serv) {
throw Components.results.ERR_FAILURE;
}
var chan = serv.newChannel(aUriSpec, null, null);
var instream =
Components.classes["@mozilla.org/scriptableinputstream;1"].createInstance(Components.interfaces.nsIScriptableInputStream);
instream.init(chan.open());
return instream.read(instream.available());
}
/** PUBLIC GetXcsDocument
*
*/
function getXcsDocument( calendarEventArray )
{
var xmlDocument = getXmlDocument( calendarEventArray );
var xcsDocument = transformXML( xmlDocument, "xml2xcs.xsl" );
var processingInstruction = xcsDocument.createProcessingInstruction(
"xml", "version=\"1.0\" encoding=\"UTF-8\"");
// xcsDocument.insertBefore(processingInstruction, xcsDocument.firstChild);
return xcsDocument;
}
/** PUBLIC
*
* Opens a xsl transformation file and applies it to xmlDocuments.
* xslFile can be in the convertersDirectory, or a full Uri
* Returns the resulting document
*/
function transformXML( xmlDocument, xslFilename )
{
var xslProc = new XSLTProcessor();
var gParser = new DOMParser;
// .load isn't synchrone
// var xslDoc = document.implementation.createDocument("", "", null);
// xslDoc.load(path, "text/xml");
// if only passsed a filename, assume it is a file in the default directory
if( xslFilename.indexOf( ":" ) == -1 )
xslFilename = convertersDirectory + xslFilename;
var xslContent = loadFile( xslFilename );
var xslDocument = gParser.parseFromString(xslContent, 'text/xml');
var result = document.implementation.createDocument("", "", null);
xslProc.transformDocument(xmlDocument, xslDocument, result, null);
return result;
}
/** PUBLIC
*
* Serializes a DOM document.if stylesheet is null, returns the document serialized
* Applies the stylesheet when available, and return the serialized transformed document,
* or the transformiix data
*/
function serializeDocument( xmlDocument, stylesheet )
{
var serializer = new XMLSerializer;
if( stylesheet )
{
var resultDocument = transformXML( xmlDocument, stylesheet );
var transformiixResult = resultDocument.getElementById( "transformiixResult" );
if( transformiixResult && transformiixResult.hasChildNodes() )
{ // It's a document starting with:
// <a0:html xmlns:a0="http://www.w3.org/1999/xhtml">
// <a0:head/><a0:body><a0:pre id="transformiixResult">
var textNode = transformiixResult.firstChild;
if( textNode.nodeType == textNode.TEXT_NODE )
return textNode.nodeValue;
else
return serializer.serializeString( transformiixResult );
}
else
// No transformiixResult, return the serialized transformed document
return serializer.serializeToString ( resultDocument );
}
else
// No transformation, return the serialized xmlDocument
return serializer.serializeToString ( xmlDocument );
}
/** PUBLIC
*
* not used?
*/
function deserializeDocument(text, stylesheet )
{
var gParser = new DOMParser;
var xmlDocument = gParser.parseFromString(text, 'text/xml');
}
/** PRIVATE
*
* transform a calendar event into a dom node.
* hack, this is going to be part of libical
*/
function makeXmlNode( xmlDocument, calendarEvent )
{
// Adds a property node to a event node
// do not add empty properties, valueType is optional
var addPropertyNode = function( xmlDocument, eventNode, name, value, valueType )
{
if(!value)
return;
var propertyNode = xmlDocument.createElement( "property" );
propertyNode.setAttribute( "name", name );
var valueNode = xmlDocument.createElement( "value" );
var textNode = xmlDocument.createTextNode( value );
if( valueType )
valueNode.setAttribute( "value", valueType );
valueNode.appendChild( textNode );
propertyNode.appendChild( valueNode );
eventNode.appendChild( propertyNode );
}
var addAlarmNode = function( xmlDocument, eventNode, triggerTime, triggerUnits )
{
if(triggerUnits == "minutes")
triggerIcalUnits = "M";
else if(triggerUnits == "hours")
triggerIcalUnits = "H";
else if(triggerUnits == "days")
triggerIcalUnits = "D";
var valarmNode = xmlDocument.createElement( "component" );
valarmNode.setAttribute( "name", "VALARM" );
var propertyNode = xmlDocument.createElement( "property" );
propertyNode.setAttribute( "name", "TRIGGER" );
var valueNode = xmlDocument.createElement( "value" );
//valueNode.setAttribute( "value", "DURATION" );
var textNode = xmlDocument.createTextNode( "-PT" + triggerTime + triggerIcalUnits );
valueNode.appendChild( textNode );
propertyNode.appendChild( valueNode );
valarmNode.appendChild( propertyNode )
eventNode.appendChild( valarmNode );
}
var addRRuleNode = function( xmlDocument, eventNode )
{
// extremly ugly hack, but this will be done in libical soon
var ruleText = "";
var eventText = calendarEvent.getIcalString();
var i = eventText.indexOf("RRULE");
if( i > -1)
{
ruleText = eventText.substring(i+8);
ruleText = ruleText.substring(0, ruleText.indexOf("\n"));
}
if( ruleText && ruleText.length > 0)
{
var propertyNode = xmlDocument.createElement( "property" );
propertyNode.setAttribute( "name", "RRULE" );
var valueNode = xmlDocument.createElement( "value" );
var textNode = xmlDocument.createTextNode( ruleText );
valueNode.appendChild( textNode );
propertyNode.appendChild( valueNode );
eventNode.appendChild( propertyNode );
}
}
var checkString = function( str )
{
if( typeof( str ) == "string" )
return str;
else
return ""
}
var checkNumber = function( num )
{
if( typeof( num ) == "undefined" || num == null )
return "";
else
return num
}
var checkBoolean = function( bool )
{
if( bool == "false")
return "false"
else if( bool ) // this is false for: false, 0, undefined, null, ""
return "true";
else
return "false"
}
// create a string in the iCalendar format, UTC time '20020412T121314Z'
var checkDate = function ( dt, isDate )
{
var dateObj = new Date( dt.getTime() );
var result = "";
if( isDate )
{
result += dateObj.getFullYear();
if( dateObj.getMonth() + 1 < 10 )
result += "0";
result += dateObj.getMonth() + 1;
if( dateObj.getDate() < 10 )
result += "0";
result += dateObj.getDate();
}
else
{
result += dateObj.getUTCFullYear();
if( dateObj.getUTCMonth() + 1 < 10 )
result += "0";
result += dateObj.getUTCMonth() + 1;
if( dateObj.getUTCDate() < 10 )
result += "0";
result += dateObj.getUTCDate();
result += "T"
if( dateObj.getUTCHours() < 10 )
result += "0";
result += dateObj.getUTCHours();
if( dateObj.getUTCMinutes() < 10 )
result += "0";
result += dateObj.getUTCMinutes();
if( dateObj.getUTCSeconds() < 10 )
result += "0";
result += dateObj.getUTCSeconds();
result += "Z";
}
return result;
}
// make the event tag
var calendarNode = xmlDocument.createElement( "component" );
calendarNode.setAttribute( "name", "VCALENDAR" );
addPropertyNode( xmlDocument, calendarNode, "PRODID", "-//Mozilla.org/NONSGML Mozilla Calendar V 1.0 //EN" );
addPropertyNode( xmlDocument, calendarNode, "VERSION", "2.0" );
if(calendarEvent.method == calendarEvent.ICAL_METHOD_PUBLISH)
addPropertyNode( xmlDocument, calendarNode, "METHOD", "PUBLISH" );
else if(calendarEvent.method == calendarEvent.ICAL_METHOD_REQUEST )
addPropertyNode( xmlDocument, calendarNode, "METHOD", "REQUEST" );
var eventNode = xmlDocument.createElement( "component" );
eventNode.setAttribute( "name", "VEVENT" );
addPropertyNode( xmlDocument, eventNode, "UID", calendarEvent.id );
addPropertyNode( xmlDocument, eventNode, "SUMMARY", checkString( calendarEvent.title ) );
addPropertyNode( xmlDocument, eventNode, "DTSTAMP", checkDate( calendarEvent.stamp ) );
if( calendarEvent.allDay )
addPropertyNode( xmlDocument, eventNode, "DTSTART", checkDate( calendarEvent.start, true ), "DATE" );
else
{
addPropertyNode( xmlDocument, eventNode, "DTSTART", checkDate( calendarEvent.start ) );
addPropertyNode( xmlDocument, eventNode, "DTEND", checkDate( calendarEvent.end ) );
}
addPropertyNode( xmlDocument, eventNode, "DESCRIPTION", checkString( calendarEvent.description ) );
addPropertyNode( xmlDocument, eventNode, "CATEGORIES", checkString( calendarEvent.categories ) );
addPropertyNode( xmlDocument, eventNode, "LOCATION", checkString( calendarEvent.location ) );
addPropertyNode( xmlDocument, eventNode, "PRIVATEEVENT", checkString( calendarEvent.privateEvent ) );
addPropertyNode( xmlDocument, eventNode, "URL", checkString( calendarEvent.url ) );
addPropertyNode( xmlDocument, eventNode, "PRIORITY", checkNumber( calendarEvent.priority ) );
addAlarmNode( xmlDocument, eventNode, calendarEvent.alarmLength, calendarEvent.alarmUnits );
addRRuleNode( xmlDocument, eventNode );
calendarNode.appendChild( eventNode );
return calendarNode;
}
/** PUBLIC
*
* Transforms an array of calendar events into a dom-document
* hack, this is going to be part of libical
*/
function getXmlDocument ( eventList )
{
// use the domparser to create the XML
var domParser = new DOMParser;
// start with one tag
var xmlDocument = domParser.parseFromString( "<libical/>", "text/xml" );
// get the top tag, there will only be one.
var topNodeList = xmlDocument.getElementsByTagName( "libical" );
var topNode = topNodeList[0];
// add each event as an element
for( var index = 0; index < eventList.length; ++index )
{
var calendarEvent = eventList[ index ];
var eventNode = this.makeXmlNode( xmlDocument, calendarEvent );
topNode.appendChild( eventNode );
}
return xmlDocument;
}
function startImport() {
var ImportExportErrorHandler = {
errorreport : "",
onLoad : function() {},
onStartBatch : function() {},
onEndBatch : function() {},
onAddItem : function( calendarEvent ) {},
onModifyItem : function( calendarEvent, originalEvent ) {},
onDeleteItem : function( calendarEvent, nextEvent ) {},
onAlarm : function( calendarEvent ) {},
onError : function( severity, errorid, errorstring )
{
this.errorreport=this.errorreport+gCalendarBundle.getString( errorid )+"\n";
},
showErrors : function () {
if( this.errorreport != "" )
alert( "Errors:\n"+this.errorreport );
}
}
gICalLib.addObserver( ImportExportErrorHandler );
loadEventsFromFile();
ImportExportErrorHandler.showErrors();
gICalLib.removeObserver( ImportExportErrorHandler );
}
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