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/*
* jQuery.addtocal v0.1.2
* http://github.com/tardate/jquery.addtocalendar
*
* Copyright (c) 2010 Paul GALLAGHER http://tardate.com
* Dual licensed under the MIT or GPL Version 2 licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*/
(function($) {
$.widget("tardate.AddToCal",
{
options: {
/*
* calendars is a collection of all the supported calendars and the method for formating
* the calendar link in each case. If you want to use a calendar system not supported here, you can
* extend or modify this array as required in widget setup.
*/
calendars : [
{value: 1,
label:"Add to Google Calendar",
enabled : function(addtocal) { return true; },
formatlink : function(eventDetails) {
return "http://www.google.com/calendar/event?action=TEMPLATE&trp=false" +
"&text=" + eventDetails.title +
"&dates=" + eventDetails.start +
"/" + eventDetails.end +
"&location=" + eventDetails.location +
"&details=" + eventDetails.details +
"&sprop=" + eventDetails.url;
} },
{value: 2, label:"Add to Live Calendar",
enabled : function(addtocal) { return true; },
formatlink : function(eventDetails) {
return "http://calendar.live.com/calendar/calendar.aspx?rru=addevent" +
"&dtstart=" + eventDetails.start +
"&dtend=" + eventDetails.end +
"&summary=" + eventDetails.title +
"&location=" + eventDetails.location;
} },
{value: 3, label:"Add to Yahoo! Calendar",
enabled : function(addtocal) { return true; },
formatlink : function(eventDetails) {
var minsDuration = ( Date.parse(eventDetails.end) - Date.parse(eventDetails.start) ) / 60 / 1000;
var durationString = (minsDuration / 60).toPaddedString(2) + (minsDuration%60).toPaddedString(2);
return "http://calendar.yahoo.com/?v=60" +
"&DUR=" + durationString +
"&TITLE=" + eventDetails.title +
"&ST=" + eventDetails.start +
"&in_loc=" + eventDetails.location +
"&DESC=" + eventDetails.details +
"&URL=" + eventDetails.url;
} },
{value: 4, label:"Add to 30boxes",
enabled : function(addtocal) { return addtocal.options.icalEnabled; },
formatlink : function(eventDetails) {
return ( eventDetails.webcalurl ?
"http://30boxes.com/add.php?webcal=" + encodeURIComponent( eventDetails.webcalurl ) : null );
} },
{value: 5, label:"iCal",
enabled : function(addtocal) { return addtocal.options.icalEnabled; },
formatlink : function(eventDetails) {
return (eventDetails.icalurl ? eventDetails.icalurl : null);
} },
{value: 6, label:"vCalendar",
enabled : function(addtocal) { return addtocal.options.vcalEnabled; },
formatlink : function(eventDetails) {
return ( eventDetails.vcalurl ? eventDetails.vcalurl : null );
} }
],
/* icalEnabled: set if iCal links are to be supported (requires you to provide an iCal format resource) */
icalEnabled: true,
/* vcalEnabled: set if vCalendar links are to be supported (requires you to provide an vCalendar format resource) */
vcalEnabled: true,
/* getEventDetails is the most critical function to provide.
* It is called when a user selects a calendar to add an event to.
* The element parameter is the jQuery object for the event invoked.
* You must return an object packed with the relevant event details.
* How you determine the event attributes will depend on your page.
* The example below illustrates how to handle two formats of event markup.
*/
getEventDetails: function( element ) {
return {
webcalurl: 'webcal://site.ics',
icalurl: 'http://site.ics',
vcalurl: 'http://site.vcs',
start: new Date(),
end: new Date(),
title: null, details: null,
location: null, url: null};
},
/*
* sanitizeEventDetails cleans up and normalises the event details provided by getEventDetails
*/
sanitizeEventDetails: function( eventDetails ) {
eventDetails.title = ( eventDetails.title ? encodeURIComponent( eventDetails.title ) : '' );
eventDetails.start = ( typeof eventDetails.start.toRFC3339UTCString == 'function' ?
eventDetails.start.toRFC3339UTCString(true,true) : eventDetails.start );
eventDetails.end = ( typeof eventDetails.end.toRFC3339UTCString == 'function' ?
eventDetails.end.toRFC3339UTCString(true,true) : eventDetails.end );
eventDetails.location = ( eventDetails.location ? encodeURIComponent( eventDetails.location ) : '' );
eventDetails.details = ( eventDetails.details ? encodeURIComponent( eventDetails.details ) : '' );
// avoid 414 error due to overlong url
var MAX_DETAILS_LENGTH = 1550;
if (eventDetails.details.length > MAX_DETAILS_LENGTH) {
eventDetails.details = eventDetails.details.substr(0, MAX_DETAILS_LENGTH);
eventDetails.details.replace(/%[^0-9]*$/, "");
eventDetails.details += "...";
}
eventDetails.url = ( eventDetails.url ? encodeURIComponent( eventDetails.url ) : '' );
return eventDetails;
},
/* records the currently selected calendar service */
selectedCalendarTarget: null,
/* positioning of the addtocal widget */
appendTo: "body",
position: {
my: "left top",
at: "left bottom",
collision: "none"
},
/* main method called on selection of calendar service */
select: function(event, ui) {
var eventDetails = ui.sanitizeEventDetails( ui.getEventDetails($(this)) );
var calendar_provider = $.grep(ui.calendars, function(element, index){
return (element.value == ui.selectedCalendarTarget);
});
var link = calendar_provider[0].formatlink(eventDetails);
if(link) window.open(link);
}
},
source:[],
_create: function() {
var self = this,
doc = this.element[ 0 ].ownerDocument;
this.element
.addClass( "ui-addtocal" )
.bind( "click.addtocal", function( event ) {
event.preventDefault();
event.stopPropagation();
self.toggleMenu();
});
this._initSource();
this.menu = $( "<ul></ul>" )
.addClass( "ui-addtocal" )
.appendTo( $( this.options.appendTo || "body", doc )[0] )
.menu({
selected: function( event, ui ) {
var item = ui.item.data( "item.addtocal" ),
previous = self.previous;
// only trigger when focus was lost (click on menu)
if ( self.element[0] !== doc.activeElement ) {
self.element.focus();
self.previous = previous;
}
self.options.selectedCalendarTarget = item.value;
self._trigger( "select", event, self.options );
self.close( event );
self.selectedItem = item;
}
})
.zIndex( this.element.zIndex() + 1 )
.css({ top: 0, left: 0 })
.hide()
.data( "menu" );
if ( $.fn.bgiframe ) {
this.menu.element.bgiframe();
}
//Close the popup if click elsewhere in the window
$(document).bind("click", function(event, ui) { self.close( event ); });
},
destroy: function() {
this.element
.removeClass( "ui-addtocal" );
this.menu.element.remove();
$.Widget.prototype.destroy.call( this );
},
_setOption: function( key, value ) {
$.Widget.prototype._setOption.apply( this, arguments );
if ( key === "appendTo" ) {
this.menu.element.appendTo( $( value || "body", this.element[0].ownerDocument )[0] )
}
},
_initSource: function() {
var self = this;
self.source=[];
$.each( this.options.calendars, function(index, value) {
if(value.enabled(self)) self.source.push( {value: value.value, label: value.label } );
});
},
toggleMenu: function( event ) {
var content = this.source;
if ( content.length && ! ( this.menu.element.is(":visible") ) ) {
$('.ui-addtocal').AddToCal( 'close' );
content = this._normalize( content );
this._suggest( content );
this._trigger( "open" );
} else {
this.close();
}
},
close: function( event ) {
clearTimeout( this.closing );
if ( this.menu.element.is(":visible") ) {
this._trigger( "close", event );
this.menu.element.hide();
this.menu.deactivate();
}
},
_normalize: function( items ) {
// assume all items have the right format when the first item is complete
if ( items.length && items[0].label && items[0].value ) {
return items;
}
return $.map( items, function(item) {
if ( typeof item === "string" ) {
return {
label: item,
value: item
};
}
return $.extend({
label: item.label || item.value,
value: item.value || item.label
}, item );
});
},
_suggest: function( items ) {
var ul = this.menu.element
.empty()
.zIndex( this.element.zIndex() + 1 ),
menuWidth,
textWidth;
this._renderMenu( ul, items );
// TODO refresh should check if the active item is still in the dom, removing the need for a manual deactivate
this.menu.deactivate();
this.menu.refresh();
this.menu.element.show().position( $.extend({
of: this.element
}, this.options.position ));
menuWidth = ul.width( "" ).outerWidth();
textWidth = this.element.outerWidth();
ul.outerWidth( Math.max( menuWidth, textWidth ) );
},
_renderMenu: function( ul, items ) {
var self = this;
$.each( items, function( index, item ) {
self._renderItem( ul, item );
});
},
_renderItem: function( ul, item) {
return $( "<li></li>" )
.data( "item.addtocal", item )
.append( $( "<a></a>" ).text( item.label ) )
.appendTo( ul );
},
widget: function() {
return this.menu.element;
}
});
}(jQuery));
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