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- using System;
- using System.Collections;
- using System.Collections.Generic;
- using System.Globalization;
- using System.Linq;
- using System.Reflection;
- using System.Threading.Tasks;
- using System.Windows;
- using InABox.Configuration;
- using InABox.Core;
- namespace InABox.DynamicGrid
- {
- public interface IDynamicEnclosedListGrid<TOne, TMany> : IDynamicEditorPage
- {
- TOne Entity { get; set; }
- List<TMany> Items { get; }
- void LoadItems(IEnumerable<TMany> items);
- }
- public class DynamicEnclosedListGrid<TOne, TMany> : DynamicGrid<TMany>, IDynamicEditorPage, IDynamicEnclosedListGrid<TOne, TMany>
- where TMany : BaseObject, new() where TOne : Entity, IRemotable, IPersistent, new()
- {
- private readonly List<TMany> MasterList = new();
- private readonly PropertyInfo property;
- public DynamicEnclosedListGrid(PropertyInfo prop)
- {
- Items = new List<TMany>();
- property = prop;
- Options.AddRange(DynamicGridOption.RecordCount, DynamicGridOption.SelectColumns);
- }
- public DynamicEditorGrid EditorGrid { get; set; }
- public bool Ready { get; set; }
- public string Caption()
- {
- var caption = typeof(TMany).GetCustomAttribute(typeof(Caption));
- if (caption != null)
- return ((Caption)caption).Text;
- var result = new Inflector.Inflector(new CultureInfo("en")).Pluralize(typeof(TMany).Name);
- return result;
- }
- public virtual int Order()
- {
- return int.MinValue;
- }
- public void Load(object item, Func<Type, CoreTable> PageDataHandler)
- {
- Entity = (TOne)item;
- MasterList.Clear();
- var list = property.GetValue(item) as IList;
- if (list != null)
- foreach (var entry in list)
- MasterList.Add((TMany)entry);
- Items.AddRange(MasterList);
- Refresh(true, true);
- Ready = true;
- }
- public void BeforeSave(object item)
- {
- var list = Activator.CreateInstance(property.PropertyType) as IList;
- foreach (var entry in Items)
- list.Add(entry);
- property.SetValue(item, list);
- }
- public void AfterSave(object item)
- {
- }
- public Size MinimumSize()
- {
- return new Size(400, 400);
- }
- public List<TMany> Items { get; private set; }
- public TOne Entity { get; set; }
- public void LoadItems(IEnumerable<TMany> items)
- {
- Items.Clear();
- if (items != null)
- Items.AddRange(items);
- Refresh(false, true);
- }
- protected override DynamicGridColumns LoadColumns()
- {
- var tag = typeof(TMany).Name;
- var global = Task.Run(() => new GlobalConfiguration<DynamicGridColumns>(tag).Load());
- var user = Task.Run(() => new UserConfiguration<DynamicGridColumns>(tag).Load());
- Task.WaitAll(global, user);
- var columns = user.Result.Any() ? user.Result : global.Result;
- if (columns.Count == 0)
- columns.AddRange(base.LoadColumns().Where(x => !x.ColumnName.StartsWith(property.Name)));
- return columns;
- }
- protected override void SaveColumns(DynamicGridColumns columns)
- {
- var tag = typeof(TMany).Name;
- new UserConfiguration<DynamicGridColumns>(tag).Save(columns);
- }
- protected override TMany LoadItem(CoreRow row)
- {
- return Items[row.Index];
- }
- protected override TMany[] LoadItems(CoreRow[] rows)
- {
- var result = new List<TMany>();
- foreach (var row in rows)
- result.Add(Items[row.Index]);
- return result.ToArray();
- }
- protected override void SaveItem(TMany item)
- {
- if (!Items.Contains(item))
- Items.Add(item);
- if (item is ISequenceable)
- {
- //var exp = BaseObject.DefaultSortOrder<TMany>().Expression;
- var exp = LookupFactory.DefineSort<TMany>().Expression;
- Items = Items.AsQueryable().SortBy(exp).ToList();
- }
- }
- protected override void DeleteItems(params CoreRow[] rows)
- {
- foreach (var row in rows.OrderByDescending(x => x.Index))
- Items.RemoveAt(row.Index);
- }
- protected override void Reload(Filters<TMany> criteria, Columns<TMany> columns, ref SortOrder<TMany> sort,
- Action<CoreTable, Exception> action)
- {
- var results = new CoreTable();
- results.LoadColumns(typeof(TMany));
- if (sort != null)
- {
- var exp = IQueryableExtensions.ToLambda<TMany>(sort.Expression);
- var sorted = sort.Direction == SortDirection.Ascending
- ? Items.AsQueryable().OrderBy(exp)
- : Items.AsQueryable().OrderByDescending(exp);
- foreach (var then in sort.Thens)
- {
- var thexp = IQueryableExtensions.ToLambda<TMany>(then.Expression);
- sorted = sort.Direction == SortDirection.Ascending ? sorted.ThenBy(exp) : sorted.ThenByDescending(exp);
- }
- results.LoadRows(sorted);
- }
- else
- {
- results.LoadRows(Items);
- }
- //if (sort != null)
- // results.LoadRows(Items.AsQueryable().SortBy(sort.Expression));
- //else
- // results.LoadRows(Items.OrderBy(x => x.Sort));
- action.Invoke(results, null);
- }
- }
- }
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