function show_modal_shared(calendarId){
    var html = DataLayer.render('templates/shared_calendar.ejs', {
	calendar: Calendar.calendars
    });	
	
    //Variaval global para manipulação dos usuários
    //melhor perforface
    currentUsers = {};
    currentUsers[User.me.id] = true;
    changePublic = false;
	
    if (!UI.dialogs.sharedCalendar) {
	UI.dialogs.sharedCalendar = jQuery('#calendarShared').append('<div title="Compatilhamento de Agenda" class="shared-calendar active"> <div>').find('.shared-calendar.active').html(html).dialog({
	    resizable: false, 
	    modal:true, 
	    autoOpen: false,
	    width:620, 
	    position: 'center', 
	    close: function(event, ui) {
		//Implementações de cancelar
		DataLayer.rollback('calendarToPermission');
		currentUsers = {};
	    }
	});
    } else {
	UI.dialogs.sharedCalendar.html(html);
    }
		
    /*Seleciona a agenda selecionada para compartilhamento*/
    UI.dialogs.sharedCalendar.find('option[value="'+calendarId+'"]').attr('selected','selected').trigger('change');
		
    UI.dialogs.sharedCalendar.find('input[name="isPublic"]').change(function(event){
	$(this).parent().find('.free-busy').toggleClass('hidden');
	changePublic = changePublic ? false: true;
    });
		
    UI.dialogs.sharedCalendar.find('.button').button()
    .filter('.cancel').click(function(evt){
	UI.dialogs.sharedCalendar.dialog("close");
    }).end()
    .filter('.save').click(function(evt){
	//TODO - API ainda não suporta
	//UI.dialogs.sharedCalendar.find('form').submit();
	var calendarSelected = UI.dialogs.sharedCalendar.find('option:selected').val();
	var save = function(){
	    if($('li.not-user').length == 0)
		$.each(UI.dialogs.sharedCalendar.find('.user-list li.new'), function( i , element ){
		    var user = $(element).find('input[name="user[]"]').val();
		    var acl = $(element).find('input[name="attendeeAcl[]"]').val();
		    if(acl == "")
			return true;
		    DataLayer.put('calendarToPermission', {
			calendar: calendarSelected, 
			type: 0, 
			user: user, 
			acl: acl
		    });
		});
				
	    $.each(UI.dialogs.sharedCalendar.find('.user-list li.current'), function( i , element ){
		var id = $(element).find('input[type="checkbox"]').val();
		var acl = $(element).find('input[name="attendeeAcl[]"]').val();
		if(acl == "")
		    DataLayer.remove('calendarToPermission', id);
		else
		    DataLayer.put('calendarToPermission', {
			calendar: calendarSelected, 
			type: 0, 
			id: id, 
			acl: acl
		    });
	    });
				
				
	    DataLayer.commit(false, false, function(data){
		UI.dialogs.sharedCalendar.dialog("close");
	    });
	};

	//Trata a criação de um acesso público a agenda
	if(changePublic){
	    if(UI.dialogs.sharedCalendar.find('input[name="isPublic"]').is(':checked')){
		var acl = UI.dialogs.sharedCalendar.find('input[name="busy"]').is(':checked') ? 'b' : 'w';
		DataLayer.put('calendarToPermission', {
		    calendar: calendarSelected, 
		    type: '1', 
		    user: '0', 
		    acl: acl
		});
	    }else{
		//TODO - remover quando for implementado remove com criteria
		var permission = DataLayer.get('calendarToPermission', {
		    filter: ['AND', ['=', 'calendar', calendarId], ['=', 'user', '0']]
		}, true);
		if($.isArray(permission))
		    permission = permission[0];

		DataLayer.remove('calendarToPermission', permission.id);
	    }
	}
	if(!!UI.dialogs.sharedCalendar.find('.user-list li input[name="attendeeAcl[]"][value=""]').length){
	    $.Zebra_Dialog('Alguns usuários estão sem permissões e serão automáticamente removidos, deseja continuar ?', {
		'type':     'question',
		'overlay_opacity': '0.5',
		'buttons':  ['Continuar', 'Cancelar'],
		'onClose':  function(clicked) {
		    if(clicked == 'Continuar') {
			save();
		    }
		}
	    });
	}else
	    save();		
    });
		
    UI.dialogs.sharedCalendar.find('.add-user-search .ui-icon-search').click(function(event) {
	UI.dialogs.sharedCalendar.find('.add-user-search input').keydown();
    });
		
    var incompatibleAcl = function (obj, acls, buttons){
	for (var i = 0; i < acls.length; i++){
	    var objremove = obj.parent().find('.'+buttons[i]+'');
	    if(objremove.hasClass('attendee-permissions-change-button'))
		changeAcl(objremove, acls[i]);
	}
    }

    var removeAcl = function(current, acl){
	var acls = '';
	for(var i = 0; i < current.length; i++)
	    if(current.charAt(i) != acl)
		acls += current.charAt(i) ;
	return acls;
    }

    var dependsAcl = function(obj, acls, buttons){
	for (var i = 0; i < acls.length; i++){
	    var objremove = obj.parent().find('.'+buttons[i]+'');
	    if(!objremove.hasClass('attendee-permissions-change-button'))
		changeAcl(objremove, acls[i]);
	}
    }
		
    var changeAcl = function(obj, acl){
	if(obj.hasClass('attendee-permissions-change-button')){
	    obj.parent().siblings('input[name="attendeeAcl[]"]').val(removeAcl( obj.parent().siblings('input[name="attendeeAcl[]"]').val(), acl)) ; 
	}else{
	    var acls = obj.parent().siblings('input[name="attendeeAcl[]"]').val();
	    obj.parent().siblings('input[name="attendeeAcl[]"]').val(acls + acl);
	}
	obj.toggleClass('attendee-permissions-change-button')
	.find('span:first').toggleClass('attendee-permissions-change').end();  
    }
		
		
    UI.dialogs.sharedCalendar.find('.add-user-search input').keydown(function(event) {
	if(event.keyCode == '13' || typeof(event.keyCode) == 'undefined') {						
	    var result = DataLayer.get('user', ["*", "name", $(this).val()], true);
	    /**
				* TODO: trocar por template
				*/
	    UI.dialogs.sharedCalendar.find('ul.search-result-list').empty().css('overflow', 'hidden');
	    if (!result) {
		UI.dialogs.sharedCalendar.find('ul.search-result-list').append('<li><label class="empty">Nenhum resultado encontrado.</label></li>');
	    }

	    for(i=0; i<result.length; i++)
		result[i].enabled = currentUsers[result[i].id] ? false : true;

	    UI.dialogs.sharedCalendar.find('ul.search-result-list').append(DataLayer.render( 'templates/participants_search_itemlist.ejs', result));

	    UI.dialogs.sharedCalendar.find('ul.search-result-list li').click(function(event, ui){
		if ($(event.target).is('input')) {
		    old_item = $(event.target).parents('li');
		    var id = old_item.find('.id').html();
						
		    currentUsers [id] = {
			id: id,
			name: old_item.find('.name').html(),
			mail: old_item.find('.mail').html()
		    };
											
		    UI.dialogs.sharedCalendar.find('dd.user-list ul.user-list')
		    .append(DataLayer.render('templates/user_shared_add_itemlist.ejs', [{
			id: id, 
			name: currentUsers [id] .name, 
			mail: currentUsers [id] .mail
		    }]))
		    .scrollTo('max');
						
		    $('li.not-user').remove();
		    callbackSharedCotactsAdd();
		    old_item.remove();
		}
	    });
	    event.preventDefault();
	}
    });

    var callbackSharedCotactsAdd = function(event){
	UI.dialogs.sharedCalendar.find('.button').filter(".read.new").button({
	    icons: {
		primary: "ui-icon-circle-zoomin"
	    },
	    text: false
	}).click(function () {
	    incompatibleAcl($(this), ['b'], ['busy']);
	    changeAcl($(this), 'r');
	})
	.addClass('tiny disable ui-button-disabled ui-state-disabled')
	.removeClass('new').end()
			
	.filter(".write.new").button({
	    icons: {
		primary: "ui-icon-key"
	    },
	    text: false
	}).click(function () {
	    incompatibleAcl($(this), ['b'], ['busy']);
	    dependsAcl($(this), ['r'], ['read']);
	    changeAcl($(this), 'w');
	})
	.addClass('tiny disable ui-button-disabled ui-state-disabled')
	.removeClass('new').end()
			
	.filter(".remove.new").button({
	    icons: {
		primary: "ui-icon-trash"
	    },
	    text: false
	}).click(function () {
	    incompatibleAcl($(this), ['b'], ['busy']);
	    dependsAcl($(this), ['r'], ['read']);
	    changeAcl($(this), 'd');
	})
	.addClass('tiny disable ui-button-disabled ui-state-disabled')
	.removeClass('new').end()
			
	.filter(".busy.new").button({
	    icons: {
		primary: "ui-icon-clock"
	    },
	    text: false
	}).click(function () {
	    //Remove incompativbilidade de acls
	    incompatibleAcl($(this), ['r', 'w', 'd', 's' ], ['read', 'write', 'remove', 'shared']);
	    changeAcl($(this), 'b');
	})
	.addClass('tiny disable ui-button-disabled ui-state-disabled')
	.removeClass('new').end()
			
	.filter(".shared.new").button({
	    icons: {
		primary: "ui-icon-transferthick-e-w"
	    },
	    text: false
	}).click(function () {
	    incompatibleAcl($(this), ['b',], ['busy']);
	    dependsAcl($(this), ['r'], ['read']);
	    changeAcl($(this), 's');
	})
	.addClass('tiny disable ui-button-disabled ui-state-disabled')
	.removeClass('new').end()

	.filter(".close.new").button({
	    icons: {
		primary: "ui-icon-close"
	    },
	    text: false
	}).click(function () {
	    currentUsers[$(this).parents().find('input[name="user[]"]').val()] = false;
	    //remove permissão
	    if($(this).parents('li.current').length)
		DataLayer.remove('calendarToPermission', $(this).parents('li.current').find('input[type="checkbox"]').val());
				
	    $(this).parents('li').remove();
	})
	.addClass('tiny disable ui-button-disabled ui-state-disabled')
	.removeClass('new').end();

	UI.dialogs.sharedCalendar.find('.user-list li').hover(
	    function () {
		$(this).addClass("hover-user");
		$(this).find('.button').removeClass('disable ui-button-disabled ui-state-disabled').end()
		.find('.user-acls-shared-calendar').addClass('hover-user');
	    },
	    function () {
		$(this).removeClass("hover-user");
		$(this).find('.button').addClass('disable ui-button-disabled ui-state-disabled').end()
		.find('.user-acls-shared-calendar').removeClass('hover-user');;
	    }
	    );		
    }

    //Carrega os dados já cadastrados
    var dataCurrent = DataLayer.get('calendarToPermission:detail', {
	filter: ['=','calendar', calendarId]  , 
	criteria: {
	    deepness: 2
	}
    });
    if(dataCurrent){
	for(var i = 0; i < dataCurrent.length; i++){
	    if(dataCurrent[i].user == "0"){
		UI.dialogs.sharedCalendar.find('input[name="isPublic"]').attr('checked', 'checked')
		.parent().find('.free-busy').toggleClass('hidden');
		if(dataCurrent[i].acl['busy'])
		    UI.dialogs.sharedCalendar.find('input[name="busy"]').attr('checked', 'checked');
	    }else{
		currentUsers[dataCurrent[i].user.id] = true;

		UI.dialogs.sharedCalendar.find('dd.user-list ul.user-list')
		.append(DataLayer.render('templates/user_shared_add_itemlist.ejs', [{
		    id: dataCurrent[i].user.id, 
		    name: dataCurrent[i].user.name, 
		    mail: dataCurrent[i].user.mail, 
		    acl:dataCurrent[i].acl, 
		    aclValue: dataCurrent[i].aclValues, 
		    current: true, 
		    idPermission: dataCurrent[i].id
		}]))
		.scrollTo('max');
		$('li.not-user').remove();
		callbackSharedCotactsAdd();

		for (var f in dataCurrent[i].acl){
		    if(dataCurrent[i].acl[f]){
			UI.dialogs.sharedCalendar.find('.'+f+':last').toggleClass('attendee-permissions-change-button')
			.find('span:first').toggleClass('attendee-permissions-change').end();  
		    }
		}
	    }
	}
    }
    UI.dialogs.sharedCalendar.dialog('open');
}

function show_modal_search_shared(){

    var html = DataLayer.render('templates/shared_calendar.ejs', {});	
	
    //Variaval global para manipulação dos usuários
    //melhor perforface
    currentCalendars = {};
	
    if (!UI.dialogs.sharedCalendar) {
	UI.dialogs.sharedCalendar = jQuery('#calendarShared').append('<div title="Pesquisar Agendas" class="shared-calendar active"> <div>').find('.shared-calendar.active').html(html).dialog({
	    resizable: false, 
	    modal:true, 
	    autoOpen: false,
	    width:620, 
	    position: 'center', 
	    close: function(event, ui) {
		//Implementações de cancelar :D
		currentCalendars = {};
		$('.signed-calendars').find('.calendar-shared-search input').val('').Watermark('Pesquisar agendas...');
	    }
	});
    } else {
	UI.dialogs.sharedCalendar.html(html);
    }
	
    UI.dialogs.sharedCalendar.find('.button').button()
    .filter('.cancel').click(function(evt){
	DataLayer.rollback('calendarSignature');
	UI.dialogs.sharedCalendar.dialog("close");
    }).end()
    .filter('.save').click(function(evt){
	$.each(UI.dialogs.sharedCalendar.find('.user-list li.new'), function( i , element ){
	    var idPermission = $(element).find('input[name="idpermission[]"]').val();
	    var calendarId = $(element).find('input[name="calendar[]"]').val();
	    var type = parseInt($(element).find('input[name="type[]"]').val());
	    DataLayer.put('calendarSignature', DataLayer.merge({
		calendar: calendarId, 
		isOwner: 0, 
		user: User.me.id, 
		fontColor: '120d0d', 
		backgroundColor: (!!type ? 'fbec88' : '8c8c8c'), 
		borderColor: (!!type ? 'fad24e' : '120d0d')
	    }, !!idPermission ? {
		id: idPermission
	    } : {} ));
	});

	DataLayer.commit( false, false, function( received ){
	    delete Calendar.currentViewKey;
	    Calendar.load();
	    refresh_calendars();
	});
	
	UI.dialogs.sharedCalendar.dialog("close");
		
    });
		
    UI.dialogs.sharedCalendar.find('.add-user-search .ui-icon-search').click(function(event) {
	UI.dialogs.sharedCalendar.find('.add-user-search input').keydown();
    });
	
    UI.dialogs.sharedCalendar.find('.add-user-search input').keydown(function(event) {
	if(event.keyCode == '13' || typeof(event.keyCode) == 'undefined') {						
	    var result = DataLayer.get('calendarToPermission', {
		filter: ['AND', ['=','user',User.me.id],   ['OR', ['i*','name',$(this).val()], ["i*", "description", $(this).val()]]]  , 
		criteria: {
		    deepness: 2
		}
	    }, true);
	    var resultPublic = DataLayer.get('calendarToPermission', {
		filter: ['AND', ['=','type',1], ['OR', ['i*','name',$(this).val()], ["i*", "description", $(this).val()]], ['!IN','calendar', Calendar.calendarIds]]  , 
		criteria: {
		    deepness: 2
		}
	    }, true);

	    /**
    * TODO: trocar por template
    */
	    UI.dialogs.sharedCalendar.find('ul.search-result-list').empty().css('overflow', 'hidden');
	    if (!result && !resultPublic) {
		UI.dialogs.sharedCalendar.find('ul.search-result-list').append('<li><label class="empty">Nenhum resultado encontrado.</label></li>');
	    }
				
	    if(resultPublic){
		var notConflict = [];
		var conflit = false;
		for(var i = 0; i < resultPublic.length; i++){
		    for(var j = 0; j < result.length; j++){
			if(resultPublic[i].id == result[j].calendar.id)
			    conflit = true;
		    }
		    if(!conflit){
			notConflict.push(resultPublic[i]);
			conflit = false;
		    }
		}
	    }
	    resultPublic = notConflict;
				
	    var resultNormalize = [];
	    for(i=0; i<result.length; i++){
		resultNormalize.push({
		    id: result[i].calendar.id, 
		    name:result[i].calendar.name, 
		    mail: result[i].calendar.description, 
		    type: 0
		})
		resultNormalize[(resultNormalize.length - 1)].enabled = currentCalendars[result[i].id] ? false : true;
	    }
	    if(resultPublic)
		for(i=0; i<resultPublic.length; i++){
		    resultNormalize.push({
			id: resultPublic[i].calendar.id, 
			name:resultPublic[i].calendar.name, 
			mail: resultPublic[i].calendar.description,
			type: 1
		    })
		    resultNormalize[(resultNormalize.length - 1)].enabled = currentCalendars[resultPublic[i].id] ? false : true;
		}
				
	    UI.dialogs.sharedCalendar.find('ul.search-result-list').append(DataLayer.render( 'templates/calendar_search_itemlist.ejs', resultNormalize));

	    UI.dialogs.sharedCalendar.find('ul.search-result-list li').click(function(event, ui){
		if ($(event.target).is('input')) {
		    old_item = $(event.target).parents('li');
		    var id = old_item.find('.id').html();
						
		    for(var i = 0; i<resultNormalize.length; i++){
			if(resultNormalize[i].id == id)
			    currentCalendars[id] = {
				id: id, 
				name: resultNormalize[i].name, 
				description: resultNormalize[i].description, 
				type: resultNormalize[i].type, 
				isCalendar: true
			    };
		    }

		    UI.dialogs.sharedCalendar.find('dd.calendar-list ul.user-list')
		    .append(DataLayer.render('templates/user_shared_add_itemlist.ejs', [currentCalendars[id]]))
		    .scrollTo('max');
						
		    $('li.not-user').remove();
		    callbackSharedCalendarAdd();
		    old_item.remove();
		}
	    });
	    event.preventDefault();
	}
    });
		
    var callbackSharedCalendarAdd = function(event){
		
	UI.dialogs.sharedCalendar.find('.button').filter(".close.new").button({
	    icons: {
		primary: "ui-icon-close"
	    },
	    text: false
	}).click(function () {
	    var id = $(this).parents('li').find('input[name="idPermission"]').val();
	    currentCalendars[$(this).parents().find('input[name="calendar[]"]').val()] = false;
	    $(this).parents('li').remove();
	    if(!!id)
		DataLayer.remove('calendarSignature', id);
	})
	.addClass('tiny disable ui-button-disabled ui-state-disabled')
	.removeClass('new').end();

	UI.dialogs.sharedCalendar.find('.user-list li').hover(
	    function () {
		$(this).addClass("hover-user");
		$(this).find('.button').removeClass('disable ui-button-disabled ui-state-disabled').end()
		.find('.user-acls-shared-calendar').addClass('hover-user');
	    },
	    function () {
		$(this).removeClass("hover-user");
		$(this).find('.button').addClass('disable ui-button-disabled ui-state-disabled').end()
		.find('.user-acls-shared-calendar').removeClass('hover-user');;
	    }
	    );		
    }

    //Carrega os dados já cadastrados
    for (var i = 0; i < Calendar.signatures.length; i++)
	if(Calendar.signatures[i].isOwner == "0"){
	    var dataCurrent = Calendar.signatures[i].calendar;
	    currentCalendars[Calendar.signatures[i].permission.id] = {
		id: dataCurrent.id, 
		idPermission:Calendar.signatures[i].id ,
		name: dataCurrent.name, 
		description: dataCurrent.description, 
		type: Calendar.signatures[i].permission.type, 
		isCalendar: true,
		current: true
	    };
			
	    UI.dialogs.sharedCalendar.find('dd.calendar-list ul.user-list')
	    .append(DataLayer.render('templates/user_shared_add_itemlist.ejs', [currentCalendars[Calendar.signatures[i].permission.id]]))
	    .scrollTo('max');
				
	    $('li.not-user').remove();
	    callbackSharedCalendarAdd();
	}
		
    UI.dialogs.sharedCalendar.dialog('open');
}

function cancel_signature(signatureId){
    $.Zebra_Dialog('Confirma a remoção desta assinatura ?', {
	'type':     'question',
	'overlay_opacity': '0.5',
	'buttons':  ['Sim', 'Não'],
	'onClose':  function(clicked) {
	    if(clicked == 'Sim'){
		DataLayer.remove('calendarSignature', ''+signatureId);
		DataLayer.commit( false, false, function( received ){
		    delete Calendar.currentViewKey;
		    Calendar.load();
		    refresh_calendars();
		});
	    }
	}
    });
}