Beispiel #1
0
        public static void SetDataAdapter <TSource, TData>(this System.Windows.Controls.DataGrid dataGrid, IWpfDataAdapter <TSource, TData> adapter)
            where TData : class, new()
        {
            var dataType = typeof(TData);

            dataType.GetProperties().ToList().ForEach(property =>
            {
                var metadata = property.GetCustomAttribute <WpfColumnAttribute>(true);

                if (metadata == null)
                {
                    return;
                }

                var column =
                    new DataGridTextColumn()
                {
                    Header     = metadata.DisplayName,
                    Binding    = new System.Windows.Data.Binding(property.Name),
                    IsReadOnly = true
                };

                switch (metadata.WidthRule)
                {
                case ColumnWidthRule.Value:
                    column.Width = metadata.Width;
                    break;

                case ColumnWidthRule.AutoSize:
                    column.Width = DataGridLength.Auto;
                    break;

                case ColumnWidthRule.SizeToCells:
                    column.Width = DataGridLength.SizeToCells;
                    break;

                case ColumnWidthRule.SizeToHeader:
                    column.Width = DataGridLength.SizeToHeader;
                    break;

                default:
                    throw new InvalidOperationException($"Unsupported width rule '{metadata.WidthRule}'");
                }

                if (!string.IsNullOrEmpty(metadata.CellStyle))
                {
                    column.CellStyle = dataGrid.FindResource(metadata.CellStyle) as Style;
                }

                if (!string.IsNullOrEmpty(metadata.HeaderStyle))
                {
                    column.HeaderStyle = dataGrid.FindResource(metadata.HeaderStyle) as Style;
                }

                dataGrid.Columns.Add(column);
            });

            dataGrid.ItemsSource = adapter;
        }
 private static Style CreateElementStyle(DataGrid dataGrid, string bindingPath)
 {
   var baseStyle = dataGrid.FindResource("TextBlockBaseStyle") as Style;
   var style = new Style(typeof(TextBlock), baseStyle);
   AddSetters(style, bindingPath);
   return style;
 }
        /// <summary>
        /// Create a new filter host for the given data grid.
        /// </summary>
        /// <param name="dataGrid">The data grid to filter.</param>
        internal DataGridFilterHost(DataGrid dataGrid)
        {
            Contract.Requires(dataGrid != null);

            _dataGrid = dataGrid;

            dataGrid.Columns.CollectionChanged += Columns_CollectionChanged;
            dataGrid.Loaded += DataGrid_Loaded;

            if (dataGrid.ColumnHeaderStyle != null)
                return;

            // Assign a default style that changes HorizontalContentAlignment to "Stretch", so our filter symbol will appear on the right edge of the column.
            var baseStyle = (Style)dataGrid.FindResource(typeof(DataGridColumnHeader));
            var newStyle = new Style(typeof(DataGridColumnHeader), baseStyle);
            newStyle.Setters.Add(new Setter(Control.HorizontalContentAlignmentProperty, HorizontalAlignment.Stretch));

            dataGrid.ColumnHeaderStyle = newStyle;
        }