public static void Create()
{
var person = new Person {
FirstName = "Johan", LastName = "Larsson"
};
var persons = new[] { person };
using var view = new TransposedItemsSource(persons);
Assert.AreEqual(2, view.Count);
var row0 = view[0];
Assert.AreEqual(typeof(string), row0.GetProperties()[0].ComponentType);
Assert.AreEqual("Name", row0.GetProperties()[0].Name);
Assert.AreEqual(nameof(Person.FirstName), row0.GetProperties()[0].GetValue(row0));
Assert.AreEqual("C0", row0.GetProperties()[1].Name);
Assert.AreEqual("Johan", row0.GetProperties()[1].GetValue(row0));
var row1 = view[1];
Assert.AreEqual(typeof(string), row1.GetProperties()[0].ComponentType);
Assert.AreEqual("Name", row1.GetProperties()[0].Name);
Assert.AreEqual(nameof(Person.LastName), row1.GetProperties()[0].GetValue(row1));
Assert.AreEqual("C0", row1.GetProperties()[1].Name);
Assert.AreEqual("Larsson", row1.GetProperties()[1].GetValue(row1));
}
private static void UpdateItemsSource(DataGrid dataGrid)
{
IEnumerable view = null;
var rowsSource = (IEnumerable<IEnumerable>)dataGrid.GetRowsSource();
if (rowsSource != null)
{
view = new Lists2DView(rowsSource);
}
var colsSource = (IEnumerable<IEnumerable>)dataGrid.GetColumnsSource();
if (colsSource != null)
{
view = new Lists2DTransposedView(colsSource);
}
var transposedSource = dataGrid.GetTransposedSource();
if (transposedSource != null)
{
view = new TransposedItemsSource(transposedSource);
}
dataGrid.Bind(ItemsControl.ItemsSourceProperty)
.OneWayTo(view);
dataGrid.RaiseEvent(new RoutedEventArgs(Events.ColumnsChanged));
}
internal TransposedRow(
TransposedItemsSource source,
PropertyDescriptor property)
{
this.Source = source;
this.Property = property;
var count = source.Source.Count();
var propertyDescriptors = new PropertyDescriptor[count + 1];
propertyDescriptors[0] = new NamePropertyDescriptor(property);
for (int i = 0; i < count; i++)
{
propertyDescriptors[i + 1] = new TransposedPropertyDescriptor(i, property);
}
this.properties = new PropertyDescriptorCollection(propertyDescriptors, true);
}
public void Create()
{
var person = new Person { FirstName = "Johan", LastName = "Larsson" };
var persons = new[] { person };
var view = new TransposedItemsSource(persons);
Assert.AreEqual(2, view.Count);
var row0 = view[0];
Assert.AreEqual(typeof(string), row0.GetProperties()[0].ComponentType);
Assert.AreEqual("Name", row0.GetProperties()[0].Name);
Assert.AreEqual(nameof(Person.FirstName), row0.GetProperties()[0].GetValue(row0));
Assert.AreEqual("C0", row0.GetProperties()[1].Name);
Assert.AreEqual("Johan", row0.GetProperties()[1].GetValue(row0));
var row1 = view[1];
Assert.AreEqual(typeof(string), row1.GetProperties()[0].ComponentType);
Assert.AreEqual("Name", row1.GetProperties()[0].Name);
Assert.AreEqual(nameof(Person.LastName), row1.GetProperties()[0].GetValue(row1));
Assert.AreEqual("C0", row1.GetProperties()[1].Name);
Assert.AreEqual("Larsson", row1.GetProperties()[1].GetValue(row1));
}
