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- using System;
- using System.ComponentModel;
- using System.Linq;
- using System.Windows;
- using System.Windows.Controls;
- using InABox.Clients;
- using InABox.Core;
- using InABox.Wpf;
- namespace InABox.DynamicGrid
- {
- public interface IMultiSelectDialog
- {
- bool ShowDialog();
- Guid[] IDs();
- CoreTable Data();
- }
- public class MultiSelectDialog<T> : IMultiSelectDialog where T : Entity, IRemotable, IPersistent, new()
- {
- //private Expression<Func<T, object>>[] _columns = new Expression<Func<T, object>>[] { };
- private readonly Columns<T>? _columns;
- private readonly Filter<T> _filter;
- private readonly DynamicDataGrid<T> datagrid;
- private readonly Grid grid;
- private readonly Button OKButton;
- private ThemableWindow window;
- public MultiSelectDialog() : this(null, null)
- {
- }
- //public MultiSelectDialog(Filter<T> filter, Expression<Func<T, object>>[] columns, bool multiselect = true) : base()
- public MultiSelectDialog(Filter<T> filter, Columns<T>? columns, bool multiselect = true)
- {
- _filter = filter;
- grid = new Grid();
- grid.Margin = new Thickness(5);
- grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1.0F, GridUnitType.Star) });
- grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(40.0F, GridUnitType.Pixel) });
- grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1.0F, GridUnitType.Star) });
- grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(80.0F, GridUnitType.Pixel) });
- grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(80.0F, GridUnitType.Pixel) });
- datagrid = new DynamicDataGrid<T>();
- datagrid.Options.BeginUpdate();
- datagrid.Options.Clear();
- datagrid.Options.AddRange(DynamicGridOption.SelectColumns, DynamicGridOption.FilterRows);
- if (multiselect)
- datagrid.Options.Add(DynamicGridOption.MultiSelect);
- datagrid.Options.EndUpdate();
- datagrid.OnReload += Grid_OnReload;
- datagrid.OnDoubleClick += Grid_DoubleClick;
- datagrid.ColumnsTag = "MSD";
- if (columns != null)
- {
- _columns = columns;
- foreach (var column in columns.Items)
- datagrid.AddHiddenColumn(column.Property);
- //datagrid.HiddenColumns.AddRange(columns);
- }
- else
- {
- var cols = LookupFactory.DefineColumns<T>()
- .Default(ColumnType.IncludeOptional, ColumnType.IncludeForeignKeys, ColumnType.IncludeLinked);
- foreach (var col in cols.Items)
- datagrid.AddHiddenColumn(col.ToString());
- }
- datagrid.SetValue(Grid.RowProperty, 0);
- datagrid.SetValue(Grid.ColumnProperty, 0);
- datagrid.SetValue(Grid.ColumnSpanProperty, 3);
- datagrid.OnSelectItem += Datagrid_OnSelectItem;
- grid.Children.Add(datagrid);
- OKButton = new Button();
- OKButton.Margin = new Thickness(5, 5, 0, 0);
- OKButton.Content = "OK";
- OKButton.Click += OKButton_Click;
- OKButton.SetValue(Grid.RowProperty, 1);
- OKButton.SetValue(Grid.ColumnProperty, 1);
- OKButton.IsEnabled = false;
- grid.Children.Add(OKButton);
- var CancelButton = new Button();
- CancelButton.Margin = new Thickness(5, 5, 0, 0);
- CancelButton.Content = "Cancel";
- CancelButton.Click += CancelButton_Click;
- CancelButton.SetValue(Grid.RowProperty, 1);
- CancelButton.SetValue(Grid.ColumnProperty, 2);
- grid.Children.Add(CancelButton);
- }
- public bool ShowDialog()
- {
- window = new ThemableWindow { Title = "Select Items", WindowStyle = WindowStyle.SingleBorderWindow };
- window.Content = grid;
- datagrid.Refresh(true, true);
- if (window.ShowDialog() == true)
- return true;
- return false;
- }
- public Guid[] IDs()
- {
- if (datagrid.Data != null && datagrid.SelectedRows.Any()) return datagrid.SelectedRows.Select(r => r.Get<T, Guid>(x => x.ID)).ToArray();
- return new Guid[] { };
- }
- public CoreTable Data()
- {
- var result = new CoreTable();
- result.Columns.Add(new CoreColumn { ColumnName = "ID", DataType = typeof(Guid) });
- //foreach (var column in _columns)
- //{
- //String name = CoreUtils.GetFullPropertyName(column, ".");
- //Type type = column.ReturnType;
- //result.Columns.Add(new CoreColumn() { ColumnName = name, DataType = type });
- //}
- foreach (var column in _columns.Items)
- result.Columns.Add(new CoreColumn { ColumnName = column.Property, DataType = column.ExpressionType() });
- if (datagrid.Data != null && datagrid.SelectedRows.Any())
- foreach (var sel in datagrid.SelectedRows)
- {
- var row = result.NewRow();
- foreach (var column in result.Columns)
- {
- var value = sel[column.ColumnName];
- row.Set(column.ColumnName, value);
- }
- result.Rows.Add(row);
- }
- return result;
- }
- private void Grid_DoubleClick(object sender, HandledEventArgs args)
- {
- args.Handled = true;
- window.DialogResult = true;
- window.Close();
- }
- private void Datagrid_OnSelectItem(object sender, DynamicGridSelectionEventArgs e)
- {
- OKButton.IsEnabled = e.Rows?.Any() == true;
- }
- private void CancelButton_Click(object sender, RoutedEventArgs e)
- {
- window.DialogResult = false;
- window.Close();
- }
- private void OKButton_Click(object sender, RoutedEventArgs e)
- {
- window.DialogResult = true;
- window.Close();
- }
- public T[] Items(Columns<T>? columns = null)
- {
- if (datagrid.Data != null && datagrid.SelectedRows.Any())
- {
- Filter<T> flt = null;
- foreach (var row in datagrid.SelectedRows)
- {
- var id = row.Get<T, Guid>(x => x.ID);
- flt = flt == null ? new Filter<T>(x => x.ID).IsEqualTo(id) : flt.Or(x => x.ID).IsEqualTo(id);
- }
- var items = new Client<T>().Query(flt, columns).Rows.Select(r => r.ToObject<T>());
- return items.ToArray();
- }
- return new T[] { };
- }
- private void Grid_OnReload(object sender, Filters<T> criteria, Columns<T> columns, ref SortOrder<T> sortby)
- {
- if (_filter != null)
- criteria.Add(_filter);
- }
- }
- }
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