prs/prs.mobile.new/PRS.Mobile/Modules/Meetings/Edit/Views/MeetingEditDetailsView.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using InABox.Core;
using InABox.Mobile;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;
using XF.Material.Forms;

namespace PRS.Mobile
{
    
    class MeetingConfirmationConverter : AbstractConverter<DateTime,String>
    {
        protected override string Convert(DateTime value, object? parameter = null)
        {
            return value.IsEmpty() ? "Click to Confirm" : "Confirmed";
        }
    }
    
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class MeetingEditDetailsView
    {
        public MeetingEditDetailsView()
        {
            InitializeComponent();
            
            // RSVPBackgroundColor.FilledColor = Material.Color.Secondary;
            // RSVPBorderColor.FilledColor = Material.Color.SecondaryVariant;
            // RSVPTextColor.FilledColor = Material.Color.OnSecondary;
            //
            // RSVPBackgroundColor.EmptyColor = Material.Color.Error;
            // RSVPBorderColor.EmptyColor = Material.Color.Error;
            // RSVPTextColor.EmptyColor = Material.Color.OnError;
            
            _attendees.Columns
                .BeginUpdate()
                .Clear()
                
                .Add(new MobileGridImageColumn<MeetingAttendeeShell>()
                {
                    Column = x => x.Confirmed,
                    Width = 30,
                    Margin = 5,
                    Alignment = TextAlignment.Center,
                    Header = ImageSource.FromFile("circle_gray")
                })
                
                .Add(new MobileGridTextColumn<MeetingAttendeeShell>()
                {
                    Column = x => x.Attendee,
                    Width = GridLength.Star,
                    Alignment = TextAlignment.Start,
                    Caption = "Meeting Attendees"
                })
                .EndUpdate();
        }

        public override void Refresh()
        {
            _attendees.ItemsSource = null;
            _attendees.ItemsSource = ViewModel.Attendees;
            
            _confirm.Text = ViewModel.Item.RSVP.IsEmpty()
                ? "Click to Confirm"
                : "Cancel RSVP";
            _confirm.BackgroundColor = ViewModel.Item.RSVP.IsEmpty()
                ? Material.Color.Error
                : Material.Color.Secondary;
            _confirm.BorderColor = ViewModel.Item.RSVP.IsEmpty()
                ? Material.Color.Error
                : Material.Color.SecondaryVariant;
            _confirm.TextColor = ViewModel.Item.RSVP.IsEmpty()
                ? Material.Color.OnError
                : Material.Color.OnSecondary;

        }

        private void _confirm_OnClicked(object sender, MobileButtonClickEventArgs args)
        {
            ViewModel.Item.RSVP = ViewModel.Item.RSVP.IsEmpty()
                ? DateTime.Now
                : DateTime.MinValue;
            ViewModel.Item.Save(ViewModel.Item.RSVP.IsEmpty() ? "Confirmed Meeting Attendance" : "Cancelled Meeting RSVP");
            ViewModel.Attendees.Refresh(true);
            Refresh();
        }
    }
}