protected override void ModifyObservableCollection(MultiTestObservableCollection <CollectionViewGalleryTestItem> observableCollection, params int[] indexes)
{
if (indexes.Length < 2)
{
return;
}
var index1 = indexes[0];
var index2 = indexes[1];
if (index1 > -1 && index2 < observableCollection.Count && index1 <= index2)
{
var newItems = new List <CollectionViewGalleryTestItem>();
for (int n = 0; n < 4; n++)
{
newItems.Add(new CollectionViewGalleryTestItem(DateTime.Now.AddDays(n),
$"Added", "coffee.png", n));
}
if (_withIndex)
{
observableCollection.TestReplaceWithListAndIndex(index1, index2 - index1 + 1, newItems);
}
else
{
observableCollection.TestReplaceWithList(index1, index2 - index1 + 1, newItems);
}
}
}
protected override void ModifyObservableCollection(MultiTestObservableCollection <CollectionViewGalleryTestItem> observableCollection, params int[] indexes)
{
if (indexes.Length < 3)
{
return;
}
var startIndex = indexes[0];
var endIndex = indexes[1];
var destinationIndex = indexes[2];
var count = observableCollection.Count;
// -1 < startIndex < endIndex < count
if (startIndex < 0 || endIndex >= count || endIndex <= startIndex)
{
return;
}
var itemsToMove = endIndex - startIndex;
// Can't move the items past the end of the list
if (destinationIndex > (count - itemsToMove))
{
return;
}
observableCollection.TestMoveWithList(startIndex, (endIndex - startIndex) + 1, destinationIndex);
}
void GenerateMultiTestObservableCollection()
{
if (int.TryParse(_entry.Text, out int count))
{
var items = new MultiTestObservableCollection <CollectionViewGalleryTestItem>();
for (int n = 0; n < count; n++)
{
items.Add(new CollectionViewGalleryTestItem(DateTime.Now.AddDays(n),
$"{_images[n % _images.Length]}, {n}", _images[n % _images.Length], n));
}
_cv.ItemsSource = items;
}
}
protected override void ModifyObservableCollection(MultiTestObservableCollection <CollectionViewGalleryTestItem> observableCollection, params int[] indexes)
{
if (indexes.Length < 2)
{
return;
}
var index1 = indexes[0];
var index2 = indexes[1];
if (index1 > -1 && index2 < observableCollection.Count && index1 <= index2)
{
if (_withIndex)
{
observableCollection.TestRemoveWithListAndIndex(index1, (index2 - index1) + 1);
}
else
{
observableCollection.TestRemoveWithList(index1, (index2 - index1) + 1);
}
}
}
protected override void ModifyObservableCollection(MultiTestObservableCollection <CollectionViewGalleryTestItem> observableCollection, params int[] indexes)
{
var index1 = indexes[0];
if (index1 > -1 && index1 < observableCollection.Count)
{
var newItems = new List <CollectionViewGalleryTestItem>();
for (int n = 0; n < 4; n++)
{
newItems.Add(new CollectionViewGalleryTestItem(DateTime.Now.AddDays(n),
$"Added", "coffee.png", n));
}
if (_withIndex)
{
observableCollection.TestAddWithListAndIndex(newItems, index1);
}
else
{
observableCollection.TestAddWithList(newItems, index1);
}
}
}
protected override void ModifyObservableCollection(MultiTestObservableCollection <CollectionViewGalleryTestItem> observableCollection, params int[] indexes)
{
observableCollection.TestReset();
}
protected abstract void ModifyObservableCollection(MultiTestObservableCollection <CollectionViewGalleryTestItem> observableCollection, params int[] indexes);
