gwms/GWMS.UI/Components/PlantDetail.razor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using GWMS.UI.Data;
using GWMS.Data.DTO;
using Microsoft.AspNetCore.Components;
using Blazorise.Charts;
using System.Threading;

namespace GWMS.UI.Components
{
    public partial class PlantDetail
    {
        #region Protected Fields

        protected PlantDTO _currItem = new PlantDTO();

        protected LineChart<double> LevelVal = new LineChart<double>();

        protected object lineChartOptions = new
        {
            Scales = new
            {
                XAxes = new object[]
                 {
                new {
                        Display = true,
                        //type = "time"
                    }
                                 },
                YAxes = new object[]
                {
                    new {
                            Display = true,
                            ticks= new {
                                suggestedMin = 0,
                                suggestedMax = 10000
                            }
                    }
                }
            },
            Tooltips = new
            {
                Mode = "nearest",
                Intersect = false
            },
            Hover = new
            {
                Mode = "nearest",
                Intersect = false
            },
            Animation = false,
            AspectRatio = 2
        };

        #endregion Protected Fields

        #region Private Properties

        [Inject]
        private NavigationManager NavManager { get; set; }

        private int SelPlantId
        {
            get
            {
                int answ = 0;
                if (MessageService.Order_Filter != null)
                {
                    answ = MessageService.Order_Filter.PlantId;
                }
                return answ;
            }
            set
            {
                if (!MessageService.Order_Filter.PlantId.Equals(value))
                {
                    MessageService.Order_Filter.PlantId = value;
                }
            }
        }

        #endregion Private Properties

        #region Protected Properties

        [Inject]
        protected GWMSDataService DataService { get; set; }

        [Inject]
        protected MessageService MessageService { get; set; }

        #endregion Protected Properties

        #region Public Properties

        [Parameter]
        public PlantDTO currItem
        {
            get
            {
                return _currItem;
            }
            set
            {
                _currItem = value;
                if (value != null)
                {
                    var dataReload = Task.Run(async () =>
                    {
                        // aggiunta delay o non riesce a disegnare
                        Thread.Sleep(50);
                        await HandleRedraw();
                    });
                }
            }
        }

        #endregion Public Properties

        #region Private Methods

        private LineChartDataset<double> GetLineChartDataset()
        {
            var answ = new LineChartDataset<double>
            {
                //Label = "Livello",
                Data = _currItem.LevelTS.Select(x => x.ValDouble).ToList(),
                BorderColor = getLineColors(1f),
                Fill = true,
                PointRadius = 3,
                BorderWidth = 2,
                LineTension = 0,
                BorderDash = new List<int> { }
            };
            return answ;
        }

        private List<string> GetLineChartLabels()
        {
            var answ = _currItem.LevelTS.Select(x => x.DtEvent.ToString("dd.MM HH")).ToList();
            return answ;
        }

        #endregion Private Methods

        #region Protected Methods

        /// <summary>
        /// Genera colori sfondo 33% rosso / arancione / giallo
        /// </summary>
        /// <param name="numRecords"></param>
        /// <returns></returns>
        protected List<string> getLineColors(float alpha)
        {
            List<string> answ = new List<string>();
            answ.Add(ChartColor.FromRgba(54, 82, 254, alpha));
            return answ;
        }

        protected async Task HandleRedraw()
        {
            if (LevelVal != null)
            {
                await LevelVal.Clear();
                await LevelVal.AddLabelsDatasetsAndUpdate(GetLineChartLabels(), GetLineChartDataset());
            }
        }

        protected void ShowOrders(int currPlantId)
        {
            SelPlantId = currPlantId;
            // rimando...
            NavManager.NavigateTo($"Orders");
        }

        #endregion Protected Methods
    }
}