C# ColumnCollection类代码示例

 /// <summary>
 /// Construct a new <see cref="Table" />.
 /// </summary>
 /// <param name="tableName">
 /// The name of the <see cref="Table" />.
 /// </param>
 /// <param name="headerAlignment">
 /// The method to use to align the text in the table's header.
 /// Defaults to <see cref="StringFormatting.LeftJustified" />.
 /// </param>
 public Table(string tableName=null, Alignment headerAlignment=null)
 {
     Title = tableName ?? string.Empty;
     HeaderAlignment = headerAlignment ?? StringFormatting.LeftJustified;
     Columns = new ColumnCollection();
     Rows = new RowCollection(this);
 }

		private ColumnCollection CollectionWith2Columns()
		{
			ColumnCollection cc = new ColumnCollection();
			cc.Add (new SortColumn("Column1",typeof(System.String)));
			cc.Add(new SortColumn("Column2",System.ComponentModel.ListSortDirection.Ascending,typeof(System.String),true));
			return cc;
			        
		}

		public TreeGrid1()
		{
			InitializeComponent();
			columns = new ColumnCollection(this);

			realGrid.LostFocus += new EventHandler(realGrid_LostFocus);
			realGrid.GotFocus += new EventHandler(realGrid_GotFocus);
		}

        internal PrimaryKeys(ColumnCollection columns)
        {
            var pk = columns.Where(column => (column as ColumnSchema).PkContraintName != null);

            this.keys = pk.Select(column => column.ColumnName).ToArray();
            if (this.keys.Length != 0)
                this.constraintName = pk.Select(column => (column as ColumnSchema).PkContraintName).First();
        }

        private static void AddColumnsInternal(ColumnCollection columns, Type itemType, IPageableList owner, string prefix = null, string tableName = null)
        {
            var props = itemType.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.FlattenHierarchy);
            foreach (var prop in props)
            {
                if (prop.Name == Constants.BaseInfoPropertyName) // Add columns from the "base" classes
                {
                    var method = prop.PropertyType.GetMethod("GetProcessDefinition",
                                                             BindingFlags.Static | BindingFlags.Public);

                    var procDefinition = method.Invoke(null, BindingFlags.InvokeMethod, null, null, null);
                    var table = ((ProcessDefinition)procDefinition).TableList.Last().Name;

                    AddColumnsInternal(columns,prop.PropertyType, owner,
                                       string.IsNullOrEmpty(prefix)
                                           ? Constants.BaseInfoPropertyName
                                           : string.Format("{0}.{1}", prefix, Constants.BaseInfoPropertyName), table);
                }

                var display = (from d in prop.GetCustomAttributes(typeof(DisplayAttribute), false) select d).FirstOrDefault();
                var crossRef = (CrossRefFieldAttribute) (from d in prop.GetCustomAttributes(typeof(CrossRefFieldAttribute), false) select d).FirstOrDefault();
                if (display == null || string.IsNullOrEmpty(((DisplayAttribute)display).Name)) continue;
                var column = ColumnFactory.CreateColumn(owner, columns, crossRef);
                column.Header = ((DisplayAttribute) display).Name;
                //ColumnName =
                                    //    (crossRef == null || string.IsNullOrWhiteSpace(crossRef.RefFieldName))
                                    //        ? prop.Name
                                    //        : crossRef.RefFieldName,
                column.ReferenceTableName = (crossRef == null || string.IsNullOrWhiteSpace(crossRef.ReferenceTableName))
                                                ? string.Empty
                                                : crossRef.ReferenceTableName;
                                    //Width = getWidth(prop),
                column.IsBase = !string.IsNullOrWhiteSpace(prefix);
                column.ColumnName = prop.Name;
                column.Property = prop;
                column.Prefix = prefix;
                column.TableName = tableName;
                column.Width = prop.PropertyType == typeof (string) ? 200 : 50;

                // this cycle is need only to display hyperlink column for field file.
                // search for an item with the equals name, but only at the end + "Url",
                // if found, write AdditionalDataPropertyName item name + "Url"
                foreach (var prop1 in props)
                {
                    if (prop1.Name.EndsWith("Url") && prop1.Name.Remove(prop1.Name.Length - 3, 3) == prop.Name)
                    {
                        column.AdditionalDataPropertyName = prop1.Name;
                        break;
                    }
                }

                columns.Add(column);
            }
            

            //RaisePropertyChanged(() => Columns);

        }

 public TableBase()
 {
     Table = new NewTablix
                 {
                     Name = Name ?? "Table_" + Guid.NewGuid().ToString().Replace("-", ""),
                     Style = new Style { Border = new Border { Style = "Solid" }.Create() }
                 };
     Columns = new ColumnCollection();
     Rows = new CornerRowCollection();
 }

        public ColumnCollection List(IEnumerable<IFilter> filters)
        {
            var columns = new ColumnCollection();

            var rows = Discover(filters);
            foreach (var row in rows)
                columns.AddOrIgnore(row.Name);

            return columns;
        }

 public Type(string name)
 {
     if (name == null)
     {
         throw Error.SchemaRequirementViolation("Type", "Name");
     }
     this.name = name;
     columns = new ColumnCollection();
     associations = new AssociationCollection();
     subTypes = new TypeCollection();
 }

 internal GridPanel(C1FlexGrid grid, CellType cellType, int rowHeight, int colWidth)
 {
     Grid = grid;
     CellType = cellType;
     _cells = new CellRangeDictionary();
     ViewRange = CellRange.Empty;
     Rows = new RowCollection(this, rowHeight);
     Columns = new ColumnCollection(this, colWidth);
     HorizontalAlignment = HorizontalAlignment.Left;
     VerticalAlignment = VerticalAlignment.Top;
 }

        public void SetLayoutTest()
        {
            #region Arrange

            var layoutFieldViewModelFactory = new ExportFactory<LayoutFieldViewModel>(() => new Tuple<LayoutFieldViewModel, Action>(new LayoutFieldViewModel(), () => { }));

            var field1Name = "BaseField1";
            var field2Name = "BaseField2";
            var field3Name = "Field1";
            var field4Name = "Field2";
            var field1Prefix = Constants.BaseInfoPropertyName;
            var field2Prefix = string.Format("{0}.{0}.{0}", Constants.BaseInfoPropertyName);
            string field3Prefix = null;
            string field4Prefix = null;

            var column1 = CreateColumnItem(field1Name, field1Prefix);
            var column2 = CreateColumnItem(field2Name, field2Prefix);
            var column3 = CreateColumnItem(field3Name, field3Prefix);
            var column4 = CreateColumnItem(field4Name, field4Prefix);

            var columns = new ColumnCollection() { column1, column2, column3, column4 };

            var modelLayoutList = new List<string>()
                                      {
                                          GetFullyQualifiedName(field1Name, field1Prefix),
                                          GetFullyQualifiedName(field2Name, field2Prefix),
                                          GetFullyQualifiedName(field3Name, field3Prefix),
                                          GetFullyQualifiedName(field4Name, field4Prefix)
                                      };
            var model = new SearchViewModel() { LayoutList = modelLayoutList, Columns = columns };
            var vm = new LayoutViewModel() { Model = model, LayoutFieldViewModelFactory = layoutFieldViewModelFactory };

            #endregion Arrange

            //Act
            SetupRadGridViewHelper(new RadGridView(), new[] { column2, column3 });
            vm.SetLayout(new List<string>());

            //Assert
            Assert.AreEqual(vm.LayoutList.Count, 0);
            //Assert.AreEqual(vm.LayoutList[0].ColumnSystemName, GetFullyQualifiedName(field2Name, field2Prefix));
            //Assert.AreEqual(vm.LayoutList[1].ColumnSystemName, GetFullyQualifiedName(field3Name, field3Prefix));

            ////Act
            //SetupRadGridViewHelper(new RadGridView(), new[] { column1, column4 });
            //vm.SetLayout(new List<string>());

            ////Assert
            //Assert.AreEqual(vm.LayoutList.Count, 2);
            //Assert.AreEqual(vm.LayoutList[0].ColumnSystemName, GetFullyQualifiedName(field1Name, field1Prefix));
            //Assert.AreEqual(vm.LayoutList[1].ColumnSystemName, GetFullyQualifiedName(field4Name, field4Prefix));
        }

        public void GetColumnsFromDefaultLayout(string processSystemName, Action<ColumnCollection> callback)
        {
            var filter = GetLayoutFilter(processSystemName);

            TheDynamicTypeManager.BeginGetList<ILayoutList<ILayoutInfo>>(Constants.LayoutProcessName, (o, r) =>
                {
                    if (r.Error != null)
                    {
                        return;
                    }

                    var defaultLayout = (ILayoutInfo)r.Object[0];

                    var layoutViewModel = new NewLayoutViewModel
                    {
                        Id = defaultLayout.Id,
                        AccountId = defaultLayout.AccountId,
                        LayoutString = defaultLayout.LayoutDefinition,
                        IsAdminLayout = defaultLayout.IsAdminLayout ?? false,
                        IsDefault = defaultLayout.IsDefault ?? false,
                        Name = defaultLayout.Name,
                    };

                    layoutViewModel.Parse(layoutViewModel.LayoutString);

                    var type = TheDynamicTypeManager.GetListType(processSystemName).BaseType.GetGenericArguments()[1];

                    var columnCollection = new ColumnCollection();

                    for (int i = 0; i < layoutViewModel.LayoutColumns.Count; i++)
                    {
                        var layoutColumn = layoutViewModel.LayoutColumns[i];
                        var property = type.GetProperty(layoutColumn.SystemName);

                        var column = new ColumnItem(null, null)
                        {
                            Header = layoutColumn.Header,
                            ColumnName = layoutColumn.SystemName,
                            Width = layoutColumn.Width.HasValue ? layoutColumn.Width.Value : 0,
                            Order = i,
                            Property = property
                        };

                        columnCollection.Add(column);
                    }

                    callback(columnCollection);

                }, filterExpression: filter.ToJSON(), pageSize: 1);
        }

        public Table()
        {
            //ExpandedColumnCount = 1;

            //ExpandedRowCount = 1;

            FullColumns = 1;

            FullRows = 1;

            DefaultColumnWidth = 54.0;

            DefaultRowHeight = 13.5;

            Rows = new RowCollection();
            Columns = new ColumnCollection();
        }

        /// <summary>
        /// Adds the columns.
        /// </summary>
        /// <param name="columns">The columns.</param>
        /// <param name="itemType">Type of the item.</param>
        /// <param name="owner">The owner.</param>
        /// <param name="prefix">The prefix.</param>
        /// <param name="tableName">Name of the table.</param>
        /// <param name="forFilter">if set to <c>true</c> [for filter].</param>
        /// <param name="displayColumns">The display columns.</param>
        /// <param name="columnOrder">The column order.</param>
        public static void AddColumns(
            this ColumnCollection columns,
            Type itemType,
            IRefreashable owner,
            string prefix = null,
            string tableName = null,
            bool forFilter = false,
            string[] displayColumns = null,
            IList<string> columnOrder = null)
        {
            //aggregate own and parent's columns and return in default order
            var columnsList = new ColumnCollection();

            AddColumnsInternal(columnsList, itemType, owner, prefix, tableName, forFilter, displayColumns, columnOrder);

            columns.AddRange(columnsList.OrderBy(c => c.DefaultOrder));
        }

    protected void SynchronizeColumnSort(
      SynchronizationContext synchronizationContext,
      SortDescriptionCollection sortDescriptions,
      ColumnCollection columns )
    {
      ColumnSortCommand.ThrowIfNull( synchronizationContext, "synchronizationContext" );
      ColumnSortCommand.ThrowIfNull( sortDescriptions, "sortDescriptions" );
      ColumnSortCommand.ThrowIfNull( columns, "columns" );

      if( !synchronizationContext.Own || !columns.Any() )
        return;

      this.SetResortCallback( sortDescriptions, columns );

      int count = sortDescriptions.Count;
      Dictionary<string, ColumnSortInfo> sortOrder = new Dictionary<string, ColumnSortInfo>( count );

      for( int i = 0; i < count; i++ )
      {
        var sortDescription = sortDescriptions[ i ];
        string propertyName = sortDescription.PropertyName;

        if( sortOrder.ContainsKey( propertyName ) )
          continue;

        sortOrder.Add( propertyName, new ColumnSortInfo( i, sortDescription.Direction ) );
      }

      foreach( var column in columns )
      {
        ColumnSortInfo entry;

        if( sortOrder.TryGetValue( column.FieldName, out entry ) )
        {
          column.SetSortIndex( entry.Index );
          column.SetSortDirection( entry.Direction );
        }
        else
        {
          column.SetSortIndex( -1 );
          column.SetSortDirection( SortDirection.None );
        }
      }
    }

        public DataTableDpoClass(DataTable table)
        {
            DatabaseName dname = new DatabaseName(ConnectionProviderManager.DefaultProvider, "MEM");

            this.table = table;

            this.tableName = new ClassTableName(new TableName(dname, TableName.dbo, table.TableName));

            this._columns = new ColumnCollection(this);
            foreach (DataColumn c in table.Columns)
            {
                this._columns.Add(new DtColumn(c));
            }

            this._identity = new IdentityKeys(this._columns);
            this._computedColumns = new ComputedColumns(this._columns);

            this._columns.UpdatePrimary(this.PrimaryKeys);
            this._columns.UpdateForeign(this.ForeignKeys);
        }