pjs/calendar/resources/content/calendarWindow.js

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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 OEone Calendar Code, released October 31st, 2001.
*
* 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): Garth Smedley <garths@oeone.com>
* Mike Potter <mikep@oeone.com>
* Eric Belhaire <belhaire@ief.u-psud.fr>
*
* 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 ***** */
/*-----------------------------------------------------------------
* C A L E N D A R C L A S S E S
*/
/*-----------------------------------------------------------------
* CalendarWindow Class
*
* Maintains the three calendar views and the selection.
*
* PROPERTIES
* eventSource - the event source, an instance of CalendarEventDataSource
* dateFormater - a date formatter, an instance of DateFormater
*
* monthView - an instance of MonthView
* weekView - an instance of WeekView
* dayView - an instance of DayView
* multiweekView - an instance of MultiweekView
*
* currentView - the currently active view, one of the above three instances
*
* selectedEvent - the selected event, instance of CalendarEvent
* selectedDate - selected date, instance of Date
*
*/
/**
* CalendarWindow Constructor.
*
* PARAMETERS
* calendarDataSource - The data source with all of the calendar events.
*
* NOTES
* There is one instance of CalendarWindow
*/
function CalendarWindow( )
{
//setup the preferences
this.calendarPreferences = new calendarPreferences( this );
// miniMonth used by preferences
this.miniMonth = document.getElementById( "lefthandcalendar" );
//setup the calendars
this.calendarManager = new calendarManager( this );
//setup the calendar event selection
this.EventSelection = new CalendarEventSelection( this );
//global date formater
this.dateFormater = new DateFormater( this );
//the different views for the calendar
this.monthView = new MonthView( this );
this.weekView = new WeekView( this );
this.dayView = new DayView( this );
this.multiweekView = new MultiweekView( this );
// we keep track of the selected date and the selected
// event, start with selecting today.
this.selectedEvent = null;
this.selectedDate = new Date();
// set up the current view - we assume that this.currentView is NEVER null
// after this
this.currentView = null;
//depending on the selected index, change views to that view.
var SelectedIndex = document.getElementById( "calendar-deck" ).selectedIndex;
switch( SelectedIndex )
{
case "1":
this.currentView = this.weekView;
document.getElementById( "week-tree-hour-0" ).focus();
break;
case "2":
this.currentView = this.dayView;
document.getElementById( "day-tree-item-0" ).focus();
break;
case "3":
this.currentView = this.multiweekView;
break;
default:
this.currentView = this.monthView;
break;
}
// now that everything is set up, we can start to observe the data source
// make the observer, the calendarEventDataSource calls into the
// observer when things change in the data source.
var calendarWindow = this;
this.calendarEventDataSourceObserver =
{
onLoad : function()
{
//this is basically useless, since the calendar window is not yet made yet.
},
onStartBatch : function()
{
},
onEndBatch : function()
{
calendarWindow.currentView.refreshEvents( );
},
onAddItem : function( calendarEvent )
{
if( !gICalLib.batchMode )
{
if( calendarEvent )
{
calendarWindow.setSelectedEvent( calendarEvent );
calendarWindow.currentView.refreshEvents( );
}
}
},
onModifyItem : function( calendarEvent, originalEvent )
{
if( !gICalLib.batchMode )
{
calendarWindow.currentView.refreshEvents( );
}
},
onDeleteItem : function( calendarEvent, nextEvent )
{
//if you put this outside of the batch mode, deleting all events
//puts the calendar into an infinite loop.
if( !gICalLib.batchMode )
{
calendarWindow.currentView.refreshEvents( );
if ( nextEvent )
{
calendarWindow.setSelectedEvent( nextEvent );
}
else
{
//get the tree, see if there are items to highlight.
var today = new Date( );
//calendarWindow.setSelectedDate( getNextOrPreviousRecurrence( calendarEvent ) );
calendarWindow.setSelectedDate( today );
if( "hiliteSelectedDate" in calendarWindow.currentView )
calendarWindow.currentView.hiliteSelectedDate( );
}
}
},
onAlarm : function( calendarEvent )
{
},
onError : function()
{
}
};
// add the observer to the event source
gICalLib.addObserver( this.calendarEventDataSourceObserver );
}
/** PUBLIC
*
* You must call this when you have finished with the CalendarWindow.
* Removes the observer from the data source.
*/
CalendarWindow.prototype.close = function calWin_close( )
{
gICalLib.removeObserver( this.calendarEventDataSourceObserver );
}
/** PUBLIC
*
* Switch to the day view if it isn't already the current view
*/
CalendarWindow.prototype.switchToDayView = function calWin_switchToDayView( )
{
document.getElementById( "day-tree-item-0" ).focus();
this.switchToView( this.dayView )
}
/** PUBLIC
*
* Switch to the week view if it isn't already the current view
*/
CalendarWindow.prototype.switchToWeekView = function calWin_switchToWeekView( )
{
document.getElementById( "week-tree-hour-0" ).focus();
this.switchToView( this.weekView )
}
/** PUBLIC
*
* Switch to the month view if it isn't already the current view
*/
CalendarWindow.prototype.switchToMonthView = function calWin_switchToMonthView( )
{
this.switchToView( this.monthView )
}
/** PUBLIC
*
* Switch to the multiweek view if it isn't already the current view
*/
CalendarWindow.prototype.switchToMultiweekView = function calWin_switchToMultiweekView( )
{
this.switchToView( this.multiweekView )
}
/** PUBLIC
*
* Display today in the current view
*/
CalendarWindow.prototype.goToToday = function calWin_goToToday( )
{
this.clearSelectedEvent( );
var Today = new Date();
this.currentView.goToDay( Today );
document.getElementById( "lefthandcalendar" ).value = Today;
}
/** PUBLIC
*
* Go to the next period in the current view
*/
CalendarWindow.prototype.goToNext = function calWin_goToNext( value )
{
if(value){
this.currentView.goToNext( value );
}else{
this.currentView.goToNext();
}
}
/** PUBLIC
*
* Go to the previous period in the current view
*/
CalendarWindow.prototype.goToPrevious = function calWin_goToPrevious( value )
{
if(value){
this.currentView.goToPrevious( value );
}else{
this.currentView.goToPrevious( );
}
}
/** PUBLIC
*
* Go to today in the current view
*/
CalendarWindow.prototype.goToDay = function calWin_goToDay( newDate )
{
this.currentView.goToDay( newDate );
}
/** PACKAGE
*
* Change the selected event
*
* PARAMETERS
* selectedEvent - an instance of CalendarEvent, MUST be from the CalendarEventDataSource
*
*/
CalendarWindow.prototype.setSelectedEvent = function calWin_setSelectedEvent( selectedEvent )
{
this.EventSelection.replaceSelection( selectedEvent );
}
/** PACKAGE
*
* Clear the selected event
*
* PARAMETERS
* unSelectedEvent - if null: deselect the selected event.
* - if a CalendarEvent: only deselect if it is the currently selected one.
*
*/
CalendarWindow.prototype.clearSelectedEvent = function calWin_clearSelectedEvent( unSelectedEvent )
{
var undefined;
this.EventSelection.emptySelection( );
if( unSelectedEvent === undefined || unSelectedEvent == null )
{
this.currentView.clearSelectedEvent( );
}
}
/** PUBLIC
*
* Set the selected date
*/
CalendarWindow.prototype.setSelectedDate = function calWin_setSelectedDate( date, noHighlight )
{
// Copy the date because we might mess with it in place
this.selectedDate = new Date( date );
/* on some machines, we need to check for .selectedItem first */
if( document.getElementById( "event-filter-menulist" ) &&
document.getElementById( "event-filter-menulist" ).selectedItem &&
document.getElementById( "event-filter-menulist" ).selectedItem.value == "current" )
{
//redraw the top tree
setTimeout( "refreshEventTree( getAndSetEventTable() );", 150 );
}
if( "hiliteSelectedDate" in this.currentView && noHighlight != false )
this.currentView.hiliteSelectedDate( );
}
/** PUBLIC
*
* Get the selected date
*/
CalendarWindow.prototype.getSelectedDate = function calWin_getSelectedDate( )
{
// Copy the date because we might mess with it in place
return new Date( this.selectedDate );
}
/** PUBLIC
*
* Change the hour of the selected date
*/
CalendarWindow.prototype.setSelectedHour = function calWin_setSelectedHour( hour )
{
var selectedDate = this.getSelectedDate();
selectedDate.setHours( hour );
selectedDate.setMinutes( 0 );
selectedDate.setSeconds( 0 );
this.setSelectedDate( selectedDate );
}
/** PRIVATE
*
* Helper function to switch to a view
*
* PARAMETERS
* newView - MUST be one of the three CalendarView instances created in the constructor
*/
CalendarWindow.prototype.switchToView = function calWin_switchToView( newView )
{
// only switch if not already there
if( this.currentView !== newView )
{
// call switch from for the view we are leaving
if( this.currentView )
{
this.currentView.switchFrom();
}
// change the current view
this.currentView = newView;
// switch to and refresh the view
newView.switchTo();
newView.refresh();
}
}
/** PUBLIC
*
* This changes the text for the popuptooltip text
* This is the same for any view.
*/
CalendarWindow.prototype.changeMouseOverInfo = function calWin_changeMouseOverInfo( calendarEvent, event )
{
var Html = document.getElementById( "eventTooltip" );
while( Html.hasChildNodes() )
{
Html.removeChild( Html.firstChild );
}
if(event.currentTarget.calendarToDo)
{
var HolderBox = getPreviewTextForTask( event.currentTarget.calendarToDo );
}
else
{
var HolderBox = getPreviewTextForRepeatingEvent( event.currentTarget.calendarEventDisplay );
}
Html.appendChild( HolderBox );
}
/** PRIVATE
*
* This returns the lowest element not in the array
* eg. array(0, 0, 1, 3) would return 2
* Used to figure out where to put the day events.
*
*/
CalendarWindow.prototype.getLowestElementNotInArray = function calWin_getLowestElementNotInArray( InputArray )
{
var Temp = 1;
var AllZero = true; //are all the elements in the array 0?
//CAUTION: Watch the scope here. This function is called from inside a nested for loop.
//You can't have the index variable named anything that is used in those for loops.
for ( var Mike = 0; Mike < InputArray.length; Mike++ )
{
if ( InputArray[Mike] > Temp )
{
return (Temp);
}
if ( InputArray[Mike] > 0)
{
AllZero = false;
Temp++; //don't increment if the array value is 0, otherwise add 1.
}
}
if ( AllZero )
{
return (1);
}
return (Temp);
}
/** PRIVATE
*
* Use this function to compare two numbers. Returns the difference.
* This is used to sort an array, and sorts it in ascending order.
*
*/
CalendarWindow.prototype.compareNumbers = function calWin_compareNumbers(a, b) {
return a - b
}
CalendarWindow.prototype.onMouseUpCalendarSplitter = function calWinOnMouseUpCalendarSplitter()
{
//check if calendar-splitter is collapsed
this.doResize();
}
CalendarWindow.prototype.onMouseUpCalendarViewSplitter = function calWinOnMouseUpCalendarViewSplitter()
{
//check if calendar-view-splitter is collapsed
if( document.getElementById( "bottom-events-box" ).getAttribute( "collapsed" ) != "true" )
{
//do this because if they started with it collapsed, its not showing anything right now.
//in a setTimeout to give the pull down menu time to draw.
setTimeout( "refreshEventTree( getAndSetEventTable() );", 10 );
}
this.doResize();
}
/** PUBLIC
* The resize handler, used to set the size of the views so they fit the screen.
*/
window.onresize = CalendarWindow.prototype.doResize = function calWin_doResize(){
gCalendarWindow.currentView.refresh();
}
/*-----------------------------------------------------------------
* CalendarView Class
*
* Abstract super class for the three view classes
*
* PROPERTIES
* calendarWindow - instance of CalendarWindow that owns this view
*
*/
function CalendarView( calendarWindow )
{
this.calendarWindow = calendarWindow;
}
/** A way for subclasses to invoke the super constructor */
CalendarView.prototype.superConstructor = CalendarView;
/** PUBLIC
*
* Select the date and show it in the view
* Params: newDate: the new date to go to.
* ShowEvent: Do we show an event being highlighted, or do we show a day being highlighted.
*/
CalendarView.prototype.goToDay = function calView_goToDay( newDate, ShowEvent )
{
var oldDate = this.calendarWindow.getSelectedDate();
this.calendarWindow.setSelectedDate( newDate );
switch( this.calendarWindow.currentView )
{
case this.calendarWindow.monthView:
if( newDate.getFullYear() != oldDate.getFullYear() ||
newDate.getMonth() != oldDate.getMonth() )
{
this.refresh( ShowEvent )
}
break;
case this.calendarWindow.multiweekView:
case this.calendarWindow.weekView:
case this.calendarWindow.dayView:
if( newDate.getFullYear() != oldDate.getFullYear() ||
newDate.getMonth() != oldDate.getMonth() ||
newDate.getDate() != oldDate.getDate() )
{
this.refresh( ShowEvent )
}
break;
}
}
/** PUBLIC
*
* Refresh display of events and the selection in the view
*/
CalendarView.prototype.refresh = function calView_refresh( ShowEvent )
{
this.refreshDisplay( ShowEvent )
if(this.calendarWindow.currentView.doResize)
this.calendarWindow.currentView.doResize();
this.refreshEvents()
}