limanapp/LiMan.UI/Data/MessageService.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace LiMan.UI.Data
{
    public class MessageService
    {
        #region Private Fields

        private SelectData _detailFilter = SelectData.Init(5, 15);
        private SelectGLS _detailFilterGLS = SelectGLS.Init(60, -30);
        private SelectNext _detailFilterNext = SelectNext.Init(60, -30);
        private string _pageIcon;
        private string _pageName;
        private string _searchVal;
        private bool showSearch;

        #endregion Private Fields

        #region Public Events

        public event Action EA_FilterUpdated;

        public event Action EA_HideSearch;

        public event Action EA_PageUpdated;

        public event Action EA_SearchUpdated;

        public event Action EA_ShowSearch;

        #endregion Public Events

        #region Public Properties

        public SelectNext DetailDBFilter
        {
            get => _detailFilterNext;
            set
            {
                if (_detailFilterNext != value)
                {
                    _detailFilterNext = value;

                    if (EA_FilterUpdated != null)
                    {
                        EA_FilterUpdated?.Invoke();
                    }
                }
            }
        }

        public SelectData DetailFilter
        {
            get => _detailFilter;
            set
            {
                if (_detailFilter != value)
                {
                    _detailFilter = value;

                    if (EA_FilterUpdated != null)
                    {
                        EA_FilterUpdated?.Invoke();
                    }
                }
            }
        }

        public SelectGLS DetailGLSFilter
        {
            get => _detailFilterGLS;
            set
            {
                if (_detailFilterGLS != value)
                {
                    _detailFilterGLS = value;

                    if (EA_FilterUpdated != null)
                    {
                        EA_FilterUpdated?.Invoke();
                    }
                }
            }
        }

        public string PageIcon
        {
            get => _pageIcon;
            set
            {
                if (_pageIcon != value)
                {
                    _pageIcon = value;
                    ReportPageUpd();
                }
            }
        }

        public string PageName
        {
            get => _pageName;
            set
            {
                if (_pageName != value)
                {
                    _pageName = value;
                    ReportPageUpd();
                }
            }
        }

        public int PageNum { get; set; } = 1;
        public int PageSize { get; set; } = 10;

        public string SearchVal
        {
            get => _searchVal;
            set
            {
                if (_searchVal != value)
                {
                    _searchVal = value;

                    if (EA_SearchUpdated != null)
                    {
                        EA_SearchUpdated?.Invoke();
                    }
                }
            }
        }

        public bool ShowSearch
        {
            get => showSearch;
            set
            {
                if (showSearch != value)
                {
                    showSearch = value;
                    if (showSearch)
                    {
                        if (EA_ShowSearch != null)
                        {
                            EA_ShowSearch?.Invoke();
                        }
                    }
                    else
                    {
                        if (EA_HideSearch != null)
                        {
                            EA_HideSearch?.Invoke();
                        }
                    }
                }
            }
        }

        #endregion Public Properties

        #region Private Methods

        private void ReportPageUpd()
        {
            if (EA_PageUpdated != null)
            {
                EA_PageUpdated?.Invoke();
            }
        }

        private void ReportSearch()
        {
            if (EA_SearchUpdated != null)
            {
                EA_SearchUpdated?.Invoke();
            }
        }

        #endregion Private Methods
    }
}