prs/prs.desktop/Panels/DataEntry/DataEntryPanel.xaml.cs

using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.DynamicGrid;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using InABox.Configuration;

namespace PRSDesktop
{

    public class DataEntryPanelSettings : IUserConfigurationSettings
    {
        public double PreviewWidth { get; set; }
        
    }
    
    /// <summary>
    /// Interaction logic for DataEntryPanel.xaml
    /// </summary>
    /// <remarks>
    /// This is a host because it has a singular code popup editor
    /// </remarks>
    public partial class DataEntryPanel : UserControl, IBasePanel, IDynamicEditorHost
    {
        private DataEntryPanelSettings _settings;
        
        //IPopupEditorControl? _popup;
        private IDynamicDataGrid? _grid;
        
        private Type? _selectedType;
        private Guid _entityID;
        private Guid _originalID;
        private bool _processenabled;

        private Entity? _entity;

        private Button? _process;

        private bool _isChanged;
        private bool IsChanged
        {
            get => _isChanged;
            set
            {
                if(_isChanged != value)
                {
                    _isChanged = value;
                    Editor.HideButtons = !value;// (_entity?.IsChanged() != true) && (_originalID == _entityID);
                    if (_process != null)
                        _process.IsEnabled = value;// ((_entity?.ID ?? Guid.Empty) != Guid.Empty) || (_entity?.IsChanged() != false);
                    _documents._dataEntryGrid.IsEnabled = !value;// (_entity?.IsChanged() != true) && (_originalID == _entityID);
                }
            }
        }
        
        public void Select(Type? type, Guid id)
        {
            ClearEditor();
            
            _selectedType = type;
            _entityID = id;

            if (_selectedType != null)
            {
                ClearEditor();
                CreateEditor();
                PopulateEditor();
                //LoadPopup();
            }
                
        }
        
        private void ScanPanel_OnSelectScan(string appliesto, Guid entityid, bool processenabled)
        {
            _processenabled = processenabled;
            _originalID = entityid;
            Select(
                CoreUtils.GetEntityOrNull(appliesto),
                entityid
            );
        }
        
        public DataEntryPanel()
        {
            _settings = new UserConfiguration<DataEntryPanelSettings>().Load();
            InitializeComponent();
            _panel.AnchorWidth = _settings.PreviewWidth > 0.0F
                ? _settings.PreviewWidth
                : 500F;
        }

        public void Setup()
        {
            _documents.Setup();

            IsChanged = false;
        }
        
        public void Refresh()
        {
            if (CheckSaved())
            {
                _documents.Refresh();
                IsChanged = false;
            }
        }

        public bool IsReady { get; set; }

        public string SectionName => "Data Entry";

        public DataModel DataModel(Selection selection)
        {
            return new EmptyDataModel();
        }

        public event DataModelUpdateEvent? OnUpdateDataModel;

        public void CreateToolbarButtons(IPanelHost host)
        {
            if (Security.IsAllowed<CanSetupDataEntryTags>())
            {
                host.CreateSetupAction(new PanelAction
                {
                    Caption = "Data Entry Tags",
                    OnExecute = (action) =>
                    {
                        var list = new MasterList(typeof(DataEntryTag));
                        list.ShowDialog();
                    }
                });
            }
        }

        public void Heartbeat(TimeSpan time)
        {
        }
        
        public Dictionary<string, object[]> Selected()
        {
            return new Dictionary<string, object[]>();
        }
        
        private void CheckSaved(CancelEventArgs cancel)
        {
            if (!_isChanged)
            {
                return;
            }
            var result = MessageBox.Show("You have changes that have not been saved; do you wish to save these changes?", "Save Changes?", MessageBoxButton.YesNoCancel);
            if (result == MessageBoxResult.Yes)
            {
                DoSave(false);
                if (!cancel.Cancel)
                    MessageBox.Show("Item saved.");
            }
            else if (result == MessageBoxResult.Cancel)
            {
                cancel.Cancel = true;
            }
        }
        private bool CheckSaved()
        {
            var cancel = new CancelEventArgs();
            CheckSaved(cancel);
            return !cancel.Cancel;
        }

        public void Shutdown(CancelEventArgs? cancel)
        {
            if (cancel != null)
                CheckSaved(cancel);
            if (cancel?.Cancel != true) 
                _documents.Shutdown(cancel);
        }

        #region Host

        
        public DynamicGridColumns Columns { get; set; } = new();

        IEnumerable<DynamicGridColumn> IDynamicEditorHost.Columns => Columns;

        public void LoadColumns(string column, Dictionary<string, string> columns)
        {
            if (_selectedType is null) 
                return;

            columns.Clear();

            foreach (var c in LookupFactory.DefineColumns(_selectedType).ColumnNames().Where(x => x != "ID"))
               columns.Add(c, c);
            
            //if (_popup?.EditorDefinition is CodePopupEditorControl codePopup && !columns.ContainsKey(codePopup.CodeColumn))
            //    columns.Add(codePopup.CodeColumn, codePopup.CodeColumn);
        }

        public IFilter? DefineFilter(Type type) => LookupFactory.DefineFilter(type);

        public void LoadLookups(ILookupEditorControl sender)
        {
            var editor = sender.EditorDefinition as ILookupEditor;
            var colname = sender.ColumnName;

            var values = editor.Values(colname, Editor.Items);
            sender.LoadLookups(values);
        }

        object?[] IDynamicEditorHost.GetItems() => Editor.Items;

        public BaseEditor? GetEditor(DynamicGridColumn column) => column.Editor.CloneEditor();

        #endregion

        private void ClearEditor()
        {

            DetailBorder.Child = null;
            IsChanged = false;
            
            //if (_popup is UIElement element)
            //    DetailHeader.Children.Remove(element);
        }
        

        private void CreateEditor()
        {
            if (_selectedType == null)
                return;
            
            Editor = new EmbeddedDynamicEditorForm();
            Editor.SetLayoutType<VerticalDynamicEditorGridLayout>();
            Editor.HighlightButtons = true;
            Editor.HideButtons = true;
            Editor.SetValue(Grid.RowProperty, 1);
            Editor.SetValue(Grid.ColumnProperty, 0);
            Editor.SetValue(Grid.ColumnSpanProperty, 4);

            Editor.OnAfterEditorValueChanged += (sender, args) =>
            {
                IsChanged = IsChanged || (_entity?.IsChanged() == true || _originalID != _entityID);
                return null;
            };

            Editor.OnOK += () => { DoSave(false); };
            Editor.OnCancel += () =>
            {
                _entityID = _originalID;
                Select(_selectedType,_entityID);
            };
            Editor.OnChanged += (sender, args) => IsChanged = true;
            Editor.OnFormCustomiseEditor += (sender, items, column, editor) =>
            {
                if ((editor is BaseCodeEditor be) && editor.Editable.EditorVisible())
                {
                    be.Buttons = new[]
                    {
                        new EditorButton(null, "..", 30, DoLookup, false)
                    };
                }
            };
            
            DetailBorder.Child = Editor;
            _grid = DynamicGridUtils.CreateDynamicGrid(typeof(DynamicDataGrid<>), _selectedType) as IDynamicDataGrid;
            
        }
        
        private void DoLookup(object editor, object? item)
        {
            if (editor is CodeEditorControl ce)
            {
                
                Dictionary<string, string>? filter = null;
                if (ce.Value != null)
                {
                    filter = new Dictionary<string, string>();
                    filter[ce.ColumnName] = ce.Value;
                }

                var popup = new PopupList(_selectedType, _entityID, new String[] { }, filter);
                popup.OnDefineFilter += type => LookupFactory.DefineFilter(type);
                if (popup.ShowDialog() == true)
                {
                    _entityID = popup.ID;
                    Select(_selectedType, _entityID);
                }
            }
        }


        private void SaveDocument(DataEntryDocument dataEntryDocument)
        {
            var linktype = CoreUtils.TypeList(x =>
                x.GetInterfaces().Contains(typeof(IEntityLink))
                && x.BaseType != null
                && x.BaseType.IsGenericType
                && x.BaseType.GenericTypeArguments.FirstOrDefault() == _selectedType
            ).FirstOrDefault();
            if (linktype == null)
                return;
            
            var doctype = CoreUtils.TypeList(x =>
                x.GetInterfaces().Contains(typeof(IEntityDocument))
                && x.BaseType != null
                && x.BaseType.IsGenericType
                && x.BaseType.GenericTypeArguments.FirstOrDefault() == linktype
            ).FirstOrDefault();
            if (doctype == null)
                return;

            var doc = (IEntityDocument)Activator.CreateInstance(doctype)!;
            CoreUtils.SetPropertyValue(doc,"EntityLink.ID",_entityID);
            doc.DocumentLink.ID = dataEntryDocument.Document.ID;
            doc.Thumbnail = dataEntryDocument.Thumbnail;
            ClientFactory.CreateClient(doctype).Save(doc,"Added from Data Entry Screen");

        }

        private void DoSave(bool markasprocessed)
        {
            var cancel = new System.ComponentModel.CancelEventArgs();
            if (markasprocessed && (_entity is IDataEntryInstance scannable))
                scannable.DataEntered = DateTime.Now;
            Editor.SaveItem(cancel);

            if (!cancel.Cancel)
            {
                _originalID = _entityID;
                IsChanged = false;
                var row = _documents._dataEntryGrid.SelectedRows.FirstOrDefault();
                if (row != null)
                {
                    var scan = row?.ToObject<DataEntryDocument>();
                    scan.EntityID = _entity.ID;
                    if (markasprocessed)
                    {
                        SaveDocument(scan);
                        scan.Archived = DateTime.Now;
                    }

                    if (scan.IsChanged())
                    {
                        new Client<DataEntryDocument>().Save(scan, "Updated from Data Entry Screen");
                        _documents.Refresh();
                    }
                    
                }
            }
        }

        private void PopulateEditor()
        {
            if (_selectedType == null)
                return;

            _entity = null;
            if (_entityID != Guid.Empty)
            {
                _entity = Client.Create(_selectedType)
                    .Query(
                        Filter.Create<Entity>(_selectedType, x => x.ID).IsEqualTo(_entityID),
                        _grid.LoadEditorColumns()
                    )
                    .ToObjects(_selectedType)
                    .OfType<Entity>()
                    .FirstOrDefault();
            }
            _entity ??= Activator.CreateInstance(_selectedType) as Entity;
            if (_entity == null)
                return;
            _grid?.InitialiseEditorForm(Editor, new object[] { _entity }, null, true);
            
            _process = new Button()
            {
                Content = "Mark as Processed",
                BorderBrush = new SolidColorBrush(Colors.DarkBlue),
                Background = new SolidColorBrush(Colors.DodgerBlue),
                Margin = new Thickness(5, 5, 0, 5),
                Padding = new Thickness(10, 0, 10, 0),
                IsEnabled = _processenabled
            };
            _process.Click += (sender, args) => DoSave(true);
            Editor.AddButton(_process);
            IsChanged = false;
        }

        private void _panel_OnOnChanged(object sender, DynamicSplitPanelSettings e)
        {
            _settings.PreviewWidth = e.AnchorWidth;
            new UserConfiguration<DataEntryPanelSettings>().Save(_settings);
        }
    }
}