prs/prs.desktop/Panels/Tasks/TasksByUserControl.xaml.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.Linq;
using System.Reflection;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Input;
using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.WPF;
using Syncfusion.UI.Xaml.Kanban;
using Syncfusion.Windows.Tools.Controls;

namespace PRSDesktop
{
    public class UserTasksHeaderImageConverter : IValueConverter
    {
        public static Dictionary<Guid, byte[]> Images { get; set; }
        public static Dictionary<Guid, Guid> Employees { get; set; }

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            var anonymous = Resources.anonymous.AsBitmapImage();

            if (Images == null)
                return anonymous;

            if (Employees == null)
                return anonymous;

            var dataContext = value as ColumnTag;
            if (dataContext == null)
                return anonymous;

            var getter = dataContext.GetType().GetProperty("Column", BindingFlags.NonPublic | BindingFlags.Instance);
            if (getter == null)
                return anonymous;

            var column = (KanbanColumn)getter.GetValue(dataContext);
            if (column == null)
                return anonymous;

            if (!Guid.TryParse(column.Categories, out var empid))
                return anonymous;

            if (!Employees.TryGetValue(empid, out var imageid))
                return anonymous;

            if (!Images.TryGetValue(imageid, out var data))
                return anonymous;

            return ImageUtils.LoadImage(data);
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

    public class UserTasksHeaderTimeConverter : IValueConverter
    {
        public static IEnumerable<TaskModel> Kanbans { get; set; }

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (Kanbans == null)
                return "0:00";

            var dataContext = value as ColumnTag;
            if (dataContext == null)
                return "0:00";

            var getter = dataContext.GetType().GetProperty("Column", BindingFlags.NonPublic | BindingFlags.Instance);
            if (getter == null)
                return "0:00";

            var column = (KanbanColumn)getter.GetValue(dataContext);
            if (column == null)
                return "0:00";

            double result = 0.0F;
            foreach (var kanban in Kanbans.Where(x => Equals(x.Category, column.Categories)))
                result += kanban.EstimatedTime.TotalHours;
            return string.Format("{0:F2}", result);
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

//public class TaskHeaderWidthConverter : IValueConverter
//{

//    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
//    {
//        var dataContext = (value as ColumnTag);
//        if (dataContext == null)
//            return 150;

//        PropertyInfo getter = dataContext.GetType().GetProperty("Column", BindingFlags.NonPublic | BindingFlags.Instance);
//        if (getter == null)
//            return 150;

//        KanbanColumn column = (KanbanColumn)getter.GetValue(dataContext);
//        if (column == null)
//            return 150;

//        return Math.Max(150, column.Width) - 20 ;

//    }

//    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
//    {
//        throw new NotImplementedException();
//    }
//}

    /// <summary>
    ///     Interaction logic for TaskListPanel.xaml
    /// </summary>
    public partial class TasksByUserControl : UserControl, ITaskControl
    {
        private Dictionary<Guid, string> _employees;

        private List<TaskModel> _models = new();
        private ILookup<Guid, Guid> _teamemployees;
        private Dictionary<Guid, string> _teams;

        private bool bPopulating;

        public TasksByUserControl()
        {
            InitializeComponent();
        }

        public Guid JobID { get; set; }

        public bool IsReady { get; set; }

        #region Setup

        public void Setup()
        {
            SetupToolbar();

            SplitPanel.AnchorWidth = Host.KanbanSettings.UserSettings.AnchorWidth;

            TeamsRow.Height = new GridLength(Host.KanbanSettings.UserSettings.TeamsHeight);

            LoadEmployees();

            foreach (var team in Host.KanbanSettings.UserSettings.SelectedTeams)
                SelectedTeams.SelectedItems.Add(_teams.FirstOrDefault(x => Equals(x.Key, team)));

            PopulateEmployees();
            PopulateKanbanTypes();
        }

        private void PopulateKanbanTypes()
        {
            TaskType.Items.Add("");
            foreach(var kanbanType in Host.KanbanTypes)
            {
                TaskType.Items.Add(kanbanType);
            }
        }

        #endregion

        private void SetupToolbar()
        {
            IncludeCompleted.Visibility = Security.IsAllowed<CanHideTaskCompletedColumn>() ? Visibility.Visible : Visibility.Collapsed;
            IncludeCompleted.IsChecked = IncludeCompleted.Visibility == Visibility.Visible ? Host.KanbanSettings.UserSettings.IncludeCompleted : true;
            IncludeObserved.IsChecked = Host.KanbanSettings.UserSettings.IncludeObserved;
            IncludeManaged.IsChecked = Host.KanbanSettings.UserSettings.IncludeManaged;
            ViewType.SelectedIndex = Host.KanbanSettings.UserSettings.CompactView ? 1 : 0;
        }

        public void Refresh(bool resetselection)
        {
            var _swimlanes = new Dictionary<string, int>
            {
                { "Open", 0 },
                { "In Progress", 1 },
                { "Waiting", 2 },
                { "Complete", 3 }
            };

            var filter = new Filter<KanbanSubscriber>(c => c.Kanban.Closed).IsEqualTo(DateTime.MinValue)
                .And(x => x.Kanban.Locked).IsEqualTo(false);

            var privateFilter = new Filter<KanbanSubscriber>(x => x.Kanban.Private).IsEqualTo(false);
            if (App.EmployeeID != Guid.Empty)
            {
                privateFilter = privateFilter.Or(x => x.Employee.ID).IsEqualTo(App.EmployeeID);
            }
            filter.And(privateFilter);

            if (JobID != Guid.Empty)
                filter = filter.And(c => c.Kanban.JobLink.ID).IsEqualTo(JobID);

            if (!Host.KanbanSettings.UserSettings.IncludeCompleted)
                filter = filter.And(new Filter<KanbanSubscriber>(x => x.Kanban.Completed).IsEqualTo(DateTime.MinValue));

            var emps = _employees.Where(x => Host.KanbanSettings.UserSettings.SelectedEmployees.Contains(x.Key));
            //if (Host.Settings.UserSettings.IncludeObserved)
            //    filter = filter.And(x => x.Manager).IsEqualTo(false);
            //else
            //    filter = filter.And(x => x.Assignee).IsEqualTo(true);
            filter = filter.And(c => c.Employee.ID).InList(emps.Select(x => x.Key).ToArray());
            if (!Host.KanbanSettings.UserSettings.IncludeObserved)
            {
                if (Host.KanbanSettings.UserSettings.IncludeManaged)
                    filter = filter.And(new Filter<KanbanSubscriber>(x => x.Manager).IsEqualTo(true).Or(x => x.Assignee).IsEqualTo(true));
                else
                    filter = filter.And(x => x.Assignee).IsEqualTo(true);
            }

            using (new WaitCursor())
            {
                var kanbans = new Client<KanbanSubscriber>().Query(
                    filter,
                    new Columns<KanbanSubscriber>
                    (
                        x => x.Kanban.ID,
                        x => x.Kanban.DueDate,
                        x => x.Kanban.Completed,
                        //x => x.Kanban.Description,
                        x => x.Kanban.Summary,
                        x => x.Kanban.Category,
                        x => x.Kanban.EmployeeLink.ID,
                        x => x.Kanban.EmployeeLink.Name,
                        x => x.Kanban.ManagerLink.ID,
                        x => x.Kanban.ManagerLink.Name,
                        x => x.Kanban.Notes,
                        x => x.Kanban.Title,
                        x => x.Kanban.JobLink.ID,
                        x => x.Kanban.JobLink.JobNumber,
                        x => x.Kanban.JobLink.Name,
                        x => x.Kanban.Type.ID,
                        x => x.Kanban.Type.Code,
                        x => x.Kanban.Number,
                        x => x.Kanban.Attachments,
                        x => x.Kanban.Locked,
                        x => x.Employee.ID,
                        x => x.Kanban.EstimatedTime
                    ),
                    new SortOrder<KanbanSubscriber>(x => x.Kanban.DueDate) { Direction = SortDirection.Ascending }
                );
                var models = new List<TaskModel>();
                foreach (var row in kanbans.Rows)
                {
                    var empid = row.Get<KanbanSubscriber, Guid>(e => e.Kanban.EmployeeLink.ID);
                    var mgrid = row.Get<KanbanSubscriber, Guid>(e => e.Kanban.ManagerLink.ID);
                    var subid = row.Get<KanbanSubscriber, Guid>(e => e.Employee.ID);
                    var empValid = Entity.IsEntityLinkValid<KanbanSubscriber, EmployeeLink>(x => x.Kanban.EmployeeLink, row);
                    var mgrValid = Entity.IsEntityLinkValid<KanbanSubscriber, EmployeeLink>(x => x.Kanban.ManagerLink, row);

                    var completed = row.Get<KanbanSubscriber, DateTime>(e => e.Kanban.Completed);
                    var locked = row.Get<KanbanSubscriber, bool>(e => e.Kanban.Locked);
                    var typeID = row.Get<KanbanSubscriber, Guid>(e => e.Kanban.Type.ID);
                    var typeCode = row.Get<KanbanSubscriber, string>(e => e.Kanban.Type.Code);
                    var job = row.Get<KanbanSubscriber, string>(x => x.Kanban.JobLink.JobNumber);

                    var model = new TaskModel();

                    model.Title = row.Get<KanbanSubscriber, string>(x => x.Kanban.Title);
                    model.ID = row.Get<KanbanSubscriber, Guid>(x => x.Kanban.ID).ToString();
                    model.Description = row.Get<KanbanSubscriber, string>(x => x.Kanban.Summary) ?? "";
                    model.Category = row.Get<KanbanSubscriber, Guid>(c => c.Employee.ID).ToString();
                    model.Assignee = row.Get<KanbanSubscriber, string>(c => c.Kanban.Category);
                    if (string.IsNullOrWhiteSpace(model.Assignee) || !_swimlanes.ContainsKey(model.Assignee))
                        model.Assignee = "Open";

                    var kanbancolor = subid == empid
                        ? TaskModel.KanbanColor(
                            row.Get<KanbanSubscriber, DateTime>(x => x.Kanban.DueDate),
                            row.Get<KanbanSubscriber, DateTime>(x => x.Kanban.Completed))
                        : subid == mgrid
                            ? Color.Silver
                            : Color.Plum;
                    if (row.Get<KanbanSubscriber, bool>(x => x.Kanban.Locked))
                        kanbancolor = kanbancolor.MixColors(0.5F, Color.White);
                    model.ColorKey = ImageUtils.ColorToString(kanbancolor);

                    model.Image = null;
                    model.ImageURL = null;
                    model.Attachments =
                        row.Get<KanbanSubscriber, int>(x => x.Kanban.Attachments) > 0; // ? PRSDesktop.Resources.attachment.AsBitmapImage() : null;
                    model.DueDate = row.Get<KanbanSubscriber, DateTime>(x => x.Kanban.DueDate);
                    model.CompletedDate = row.Get<KanbanSubscriber, DateTime>(x => x.Kanban.Completed);
                    model.Locked = row.Get<KanbanSubscriber, bool>(x => x.Kanban.Locked); // ? PRSDesktop.Resources.locked.AsBitmapImage() : null;
                    model.EstimatedTime = row.Get<KanbanSubscriber, TimeSpan>(x => x.Kanban.EstimatedTime);

                    var notes = new List<List<string>> { new() };
                    var kanbanNotes = row.Get<KanbanSubscriber, string[]>(x => x.Kanban.Notes);
                    if(kanbanNotes != null)
                    {
                        foreach (var line in kanbanNotes)
                        {
                            if (line == "===================================")
                            {
                                notes.Add(new());
                            }
                            else
                            {
                                notes.Last().Add(line);
                            }
                        }
                    }
                    model.Notes = string.Join("\n===================================\n", notes.Reverse<List<string>>().Select(x => string.Join('\n', x)));

                    model.EmployeeID = empid;
                    model.ManagerID = mgrid;

                    var sEmp = empid == row.Get<KanbanSubscriber, Guid>(c => c.Employee.ID)
                        ? ""
                        : !empValid
                            ? " to (Unallocated)"
                            : " to " + row.Get<KanbanSubscriber, string>(x => x.Kanban.EmployeeLink.Name);

                    var sMgr = !mgrValid || mgrid == empid
                        ? ""
                        : " by " + row.Get<KanbanSubscriber, string>(x => x.Kanban.ManagerLink.Name);

                    model.AssignedTo = !string.IsNullOrEmpty(sEmp) || !string.IsNullOrWhiteSpace(sMgr)
                        ? string.Format("Assigned{0}{1}", sEmp, sMgr)
                        : "";

                    model.JobID = row.Get<KanbanSubscriber, Guid>(x => x.Kanban.JobLink.ID);
                    model.JobNumber = row.Get<KanbanSubscriber, string>(x => x.Kanban.JobLink.JobNumber)?.Trim() ?? "";
                    model.JobName = row.Get<KanbanSubscriber, string>(x => x.Kanban.JobLink.Name);
                    model.Checked = false; //ischecked?.Invoke() == true;
                    model.Type = new KanbanType
                    {
                        ID = typeID,
                        Code = typeCode
                    };
                    model.Number = row.Get<KanbanSubscriber, int>(x => x.Kanban.Number);

                    model.PropertyChanged += Model_PropertyChanged;

                    models.Add(model);
                }

                UserTasksHeaderTimeConverter.Kanbans = models;

                Kanban.Columns.Clear();
                foreach (var employee in emps)
                    Kanban.Columns.Add(new KanbanColumn
                    {
                        Categories = employee.Key.ToString(),
                        Title = employee.Value,
                        Width = Math.Max(150, Kanban.ActualWidth / emps.ToArray().Length - 1.0F)
                    });
                //var template = Resources["SimpleHeader"] as DataTemplate;
                //var boundary = template.FindName("Boundary", null);

                if (Kanban.Columns.Count > 0)
                    Kanban.ColumnWidth = Math.Max(150, (Kanban.ActualWidth - 20F) / Kanban.Columns.Count - 1.0F);

                _models = models.OrderBy(x => _swimlanes[x.Assignee]).ThenBy(x => x.DueDate).ToList();
                FilterKanbans();
                
            }
        }

        private void Model_PropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            if(e.PropertyName == nameof(TaskModel.Assignee))
            {
                using (new WaitCursor())
                {
                    var model = sender as TaskModel;
                    var models = new TaskModel[] { model };
                    var kanban = Host.LoadKanbans(models, new Columns<Kanban>(x => x.ID, x => x.Category)).First();
                    kanban.Category = model.Assignee;

                    new Client<Kanban>().Save(kanban, string.Format("Task Category Updated to {0}", model.Assignee), (o, err) => { });
                    model.Checked = false;

                    FilterKanbans();
                }
            }
        }

        private void SaveSettings()
        {
            Host.KanbanSettings.UserSettings.AnchorWidth = SplitPanel.AnchorWidth;

            Host.KanbanSettings.UserSettings.TeamsHeight = SelectedTeams.ActualHeight;

            var teams = SelectedTeams.SelectedItems.Select(x => ((KeyValuePair<Guid, string>)x).Key);
            Host.KanbanSettings.UserSettings.SelectedTeams = teams.ToArray();

            var emps = SelectedEmployees.SelectedItems.Select(x => ((KeyValuePair<Guid, string>)x).Key);
            emps = emps.Where(e => _teamemployees.Any(t => t.Contains(e)));
            Host.KanbanSettings.UserSettings.SelectedEmployees = emps.ToArray();

            Host.KanbanSettings.UserSettings.IncludeCompleted = IncludeCompleted.IsChecked == true;
            Host.KanbanSettings.UserSettings.IncludeObserved = IncludeObserved.IsChecked == true;
            Host.KanbanSettings.UserSettings.IncludeManaged = IncludeManaged.IsChecked == true;

            Host.SaveSettings();
        }

        private void Kanban_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            Kanban.ColumnWidth = Kanban.ActualWidth / Kanban.Columns.Count - 1.0F;
        }

        private void SplitPanel_OnChanged(object sender, DynamicSplitPanelSettings e)
        {
            if (!IsReady || Equals(Host.KanbanSettings.UserSettings.AnchorWidth, e.AnchorWidth))
                return;
            SaveSettings();
        }

        private void LoadEmployees()
        {
            var empfilter = LookupFactory.DefineFilter<Employee>();

            UserTasksHeaderImageConverter.Images = new Client<Document>().Query(
                new Filter<Document>(x => x.ID).InQuery(empfilter, x => x.Thumbnail.ID),
                new Columns<Document>(x => x.ID).Add(x => x.Data)).ToDictionary<Document, Guid, byte[]>(x => x.ID, x => x.Data);

            var query = new MultiQuery();
            query.Add(
                LookupFactory.DefineFilter<Employee>(),
                new Columns<Employee>(x => x.ID)
                    .Add(x => x.Name)
                    .Add(x => x.Thumbnail.ID),
                new SortOrder<Employee>(x => x.Name)
            );
            query.Add(
                LookupFactory.DefineFilter<Team>(),
                new Columns<Team>(x => x.ID)
                    .Add(x => x.Name),
                new SortOrder<Team>(x => x.Name)
            );
            query.Add(
                LookupFactory.DefineFilter<EmployeeTeam>(),
                new Columns<EmployeeTeam>(x => x.EmployeeLink.ID)
                    .Add(x => x.TeamLink.ID)
            );

            query.Query();

            _teams = query.Get<Team>().ToDictionary<Team, Guid, string>(x => x.ID, x => x.Name);

            _employees = query.Get<Employee>().ToDictionary<Employee, Guid, string>(x => x.ID, x => x.Name, x => x.Name);

            UserTasksHeaderImageConverter.Employees = query.Get<Employee>().ToDictionary<Employee, Guid, Guid>(x => x.ID, x => x.Thumbnail.ID);

            _teamemployees = query.Get<EmployeeTeam>().ToLookup<EmployeeTeam, Guid, Guid>(x => x.TeamLink.ID, x => x.EmployeeLink.ID);

            SelectedTeams.ItemsSource = _teams;
        }

        private void PopulateEmployees()
        {
            bPopulating = true;
            try
            {
                var availableemployees = new List<Guid>();
                foreach (KeyValuePair<Guid, string> team in SelectedTeams.SelectedItems)
                    availableemployees.AddRange(_teamemployees[team.Key].Where(x => !availableemployees.Contains(x)));

                SelectedEmployees.ItemsSource = _employees.Where(x => availableemployees.Contains(x.Key));
                SelectedEmployees.SelectedItems.Clear();
                foreach (var employee in Host.KanbanSettings.UserSettings.SelectedEmployees.Where(x => availableemployees.Contains(x)))
                    SelectedEmployees.SelectedItems.Add(_employees.FirstOrDefault(x => Equals(x.Key, employee)));
            }
            catch (Exception e)
            {
            }

            bPopulating = false;
        }


        private bool FilterKanban(TaskModel model, string searches, params Func<TaskModel, string>[] properties)
        {
            foreach (var search in searches.Split(' '))
            foreach (var property in properties)
                if (!property(model).Contains(search))
                    return false;
            return true;
        }

        private void FilterKanbans()
        {
            IEnumerable<TaskModel> Items = _models;
            if (TaskType.SelectedItem is KanbanType kanbanType)
            {
                Items = Items.Where(x => x.Type.ID == kanbanType.ID);
            }
            if (!string.IsNullOrWhiteSpace(Search.Text))
            {
                var searches = Search.Text.Split();
                Items = Items.Where(x => x.Search(searches));
            }

            if(object.Equals(Kanban.ItemsSource, Items))
            {
                // Triggers a refresh.
                Kanban.ItemsSource = null;
            }
            Kanban.ItemsSource = Items;
        }

        private void ViewType_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (Kanban != null)
                Kanban.CardTemplate = ViewType.SelectedIndex > 0
                    ? Resources["CompactKanban"] as DataTemplate
                    : Resources["FullKanban"] as DataTemplate;
            if (IsReady)
            {
                Host.KanbanSettings.StatusSettings.CompactView = ViewType.SelectedIndex > 0;
                Host.SaveSettings();
            }
        }

        private void TaskType_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            FilterKanbans();
        }

        private void IncludeLocked_Checked(object sender, RoutedEventArgs e)
        {
            if (!IsReady)
                return;

            SaveSettings();
            Refresh(true);
        }

        private void IncludeManaged_Checked(object sender, RoutedEventArgs e)
        {
            if (!IsReady)
                return;

            SaveSettings();
            Refresh(true);
        }
        private void IncludeObserved_Checked(object sender, RoutedEventArgs e)
        {
            if (!IsReady)
                return;

            SaveSettings();
            Refresh(true);
        }

        private void IncludeCompleted_Checked(object sender, RoutedEventArgs e)
        {
            if (!IsReady)
                return;

            SaveSettings();
            Refresh(true);
        }

        private void Search_KeyUp(object sender, KeyEventArgs e)
        {
            FilterKanbans();
        }

        private void Export_Click(object sender, RoutedEventArgs e)
        {
        }

        private void Kanban_CardDragStart(object sender, KanbanDragStartEventArgs e)
        {
            var models = SelectedModels(e.SelectedCard.Content as TaskModel).ToList();
            if (models.Any(x => x.Locked || x.EmployeeID != Guid.Parse(x.Category.ToString())) || !Host.CanChangeTasks(models))
                e.IsCancel = true;
        }


        private void Kanban_CardDragEnd(object sender, KanbanDragEndEventArgs e)
        {
            using (new WaitCursor())
            {
                var target = e.TargetColumn.Categories;
                var targetCategory = e.TargetKey;
                var models = SelectedModels(e.SelectedCard.Content as TaskModel).Where(x => !Equals(x.Category, target)).ToList();
                if (!models.Any())
                    return;
                var kanbans = Host.LoadKanbans(models, new Columns<Kanban>(x => x.ID, x => x.EmployeeLink.ID, x => x.Private, x => x.Number));
                var subscribers = new KanbanSubscriberSet(kanbans.Select(x => x.ID));
                var targetID = Guid.Parse(target);

                var updated = new List<Kanban>();
                foreach (var kanban in kanbans)
                {
                    if (!kanban.Private)
                    {
                        kanban.EmployeeLink.ID = targetID;
                        subscribers.EnsureAssignee(kanban.ID, kanban.EmployeeLink.ID);
                        updated.Add(kanban);
                    }
                    else
                    {
                        MessageBox.Show($"Cannot change assignee for task {kanban.Number} because it is private.");
                        models.RemoveAll(x => x.ID == kanban.ID.ToString());
                    }
                }

                new Client<Kanban>().Save(updated, string.Format("Task Employee Updated to {0}", target), (o, err) => { });
                subscribers.Save(false);
                foreach (var model in models)
                {
                    model.Checked = false;
                    model.Category = target;
                    model.EmployeeID = targetID;
                }

                FilterKanbans();
            }
        }

        #region ITaskControl Support

        public ITaskHost Host { get; set; }

        public KanbanView KanbanView => KanbanView.User;

        public IEnumerable<TaskModel> SelectedModels(TaskModel? sender = null)
        {
            var result = _models.Where(x => x.Checked).ToList();
            if (sender != null && !result.Contains(sender))
                result.Add(sender);
            return result;
        }

        #endregion

        #region Kanban Actions

        private void DoEdit(TaskModel task)
        {
            if (task == null)
                return;

            var result = Host.EditReferences(new[] { task });
            if (result)
                Refresh(true);
        }

        private void TaskMenu_Opened(object sender, RoutedEventArgs e)
        {
            Host.PopulateMenu(this, (sender as ContextMenu)!);
        }

        private void Border_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (e.ClickCount > 1)
            {
                var task = ((Border)sender).Tag as TaskModel;
                DoEdit(task);
                e.Handled = true;
            }
        }

        private void CheckBox_Checked(object sender, RoutedEventArgs e)
        {
        }

        #endregion

        #region Employee List Actions

        private void SelectedTeams_ItemChecked(object sender, ItemCheckedEventArgs e)
        {
            if (!IsReady)
                return;
            PopulateEmployees();
            SaveSettings();
            Refresh(true);
        }

        private void SelectedTeams_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            if (!IsReady || Equals(Host.KanbanSettings.UserSettings.TeamsHeight, SelectedTeams.ActualHeight))
                return;
            SaveSettings();
        }

        private void EmployeesSelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (!IsReady || bPopulating)
                return;
            SaveSettings();
            Refresh(true);
        }

        public string SectionName => "Tasks By User";

        public DataModel DataModel(Selection selection)
        {
            return new AutoDataModel<Kanban>(new Filter<Kanban>(x => x.ID).IsEqualTo(Guid.Empty));
        }

        #endregion

        private void Kanban_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
        {
            e.Handled = true;
        }
    }
}