internal Rect GetRect(BlockView blockView, BlockBinding blockBinding)
{
var position = GetPosition(blockView, blockBinding);
var size = GetSize(blockView, blockBinding);
return(new Rect(position, size));
}
private void RemoveLastElement(BlockBinding blockBinding)
{
var lastIndex = Elements.Count - 1;
var element = Elements[lastIndex];
blockBinding.Cleanup(element);
RemoveAt(lastIndex);
}
internal void AddBinding(GridRange gridRange, BlockBinding blockBinding)
{
Debug.Assert(IsValid(gridRange));
blockBinding.Seal(this, gridRange, InternalBlockBindings.Count);
InternalBlockBindings.Add(gridRange, blockBinding);
if (!HasRowBinding)
{
BlockBindingsSplit = InternalBlockBindings.Count;
}
}
internal UIElement this[BlockBinding blockBinding]
{
get
{
if (Elements == null)
{
return(null);
}
var index = blockBinding.Ordinal;
if (index >= BlockBindingsSplit)
{
index += Count;
}
return(Elements[index]);
}
}
private void Refresh(BlockBinding blockBinding, int index)
{
var element = Elements[index];
blockBinding.Refresh(element);
}
private void AddElement(BlockBinding blockBinding)
{
var element = blockBinding.Setup(this);
ElementCollection.Add(element);
}
internal override Thickness GetFrozenClip(BlockView blockView, BlockBinding blockBinding)
{
return(new Thickness());
}
protected override Size GetSize(BlockView blockView, BlockBinding blockBinding)
{
return(blockBinding.GridRange.MeasuredSize);
}
protected override Point GetPosition(BlockView blockView, BlockBinding blockBinding)
{
return(Template.ContainerRange.GetRelativePosition(blockBinding.GridRange));
}
public void ElementManager_Elements()
{
var dataSet = DataSetMock.ProductCategories(8, false);
var _ = dataSet._;
ScalarBinding <TextBlock> columnHeader1 = null;
BlockBinding <TextBlock> blockHeader = null;
RowBinding <TextBlock> textBlock = null;
ScalarBinding <TextBlock> columnHeader2 = null;
var elementManager = dataSet.CreateElementManager((builder) =>
{
columnHeader1 = _.Name.AsScalarTextBlock();
blockHeader = _.AsBlockHeader();
textBlock = _.Name.BindToTextBlock();
columnHeader2 = _.Name.AsScalarTextBlock().RepeatWhenFlow();
builder.GridColumns("100", "100")
.GridRows("100", "100", "100")
.Layout(Orientation.Vertical, 0)
.AddBinding(1, 0, columnHeader1)
.AddBinding(0, 1, blockHeader)
.AddBinding(1, 1, textBlock)
.AddBinding(1, 2, columnHeader2);
});
{
var template = elementManager.Template;
var rows = elementManager.Rows;
{
var elements = elementManager.Elements;
Assert.AreEqual(3, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
var blockView = (BlockView)elements[1];
Assert.AreEqual(2, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
Assert.AreEqual(columnHeader2[0], elements[2]);
}
elementManager.FlowRepeatCount = 3;
{
var elements = elementManager.Elements;
Assert.AreEqual(5, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
var blockView = (BlockView)elements[1];
Assert.AreEqual(4, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[1]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[3];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[2]], rowView.Elements[0]);
}
Assert.AreEqual(columnHeader2[0], elements[2]);
Assert.AreEqual(columnHeader2[1], elements[3]);
Assert.AreEqual(columnHeader2[2], elements[4]);
Assert.AreNotEqual(columnHeader2[0], columnHeader2[1]);
Assert.AreNotEqual(columnHeader2[0], columnHeader2[2]);
Assert.AreNotEqual(columnHeader2[1], columnHeader2[2]);
}
elementManager.ContainerViewList.RealizeFirst(1);
{
var elements = elementManager.Elements;
Assert.AreEqual(6, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
{
var blockView = (BlockView)elements[1];
Assert.AreEqual(4, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[1]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[3];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[2]], rowView.Elements[0]);
}
}
{
var blockView = (BlockView)elements[2];
Assert.AreEqual(4, blockView.Elements.Count);
Assert.AreEqual(blockHeader[1], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[3]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[4]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[3];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[5]], rowView.Elements[0]);
}
}
Assert.AreEqual(columnHeader2[0], elements[3]);
Assert.AreEqual(columnHeader2[1], elements[4]);
Assert.AreEqual(columnHeader2[2], elements[5]);
}
elementManager.ContainerViewList.RealizePrev();
{
var elements = elementManager.Elements;
Assert.AreEqual(6, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
{
var blockView = (BlockView)elements[1];
Assert.AreEqual(4, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[1]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[3];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[2]], rowView.Elements[0]);
}
}
{
var blockView = (BlockView)elements[2];
Assert.AreEqual(4, blockView.Elements.Count);
Assert.AreEqual(blockHeader[1], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[3]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[4]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[3];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[5]], rowView.Elements[0]);
}
}
Assert.AreEqual(columnHeader2[0], elements[3]);
Assert.AreEqual(columnHeader2[1], elements[4]);
Assert.AreEqual(columnHeader2[2], elements[5]);
}
elementManager.ContainerViewList.RealizeNext();
{
var elements = elementManager.Elements;
Assert.AreEqual(7, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
{
var blockView = (BlockView)elements[1];
Assert.AreEqual(4, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[1]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[3];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[2]], rowView.Elements[0]);
}
}
{
var blockView = (BlockView)elements[2];
Assert.AreEqual(4, blockView.Elements.Count);
Assert.AreEqual(blockHeader[1], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[3]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[4]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[3];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[5]], rowView.Elements[0]);
}
}
{
var blockView = (BlockView)elements[3];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[2], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[6]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[7]], rowView.Elements[0]);
}
}
Assert.AreEqual(columnHeader2[0], elements[4]);
Assert.AreEqual(columnHeader2[1], elements[5]);
Assert.AreEqual(columnHeader2[2], elements[6]);
}
elementManager.FlowRepeatCount = 2;
{
var elements = elementManager.Elements;
Assert.AreEqual(4, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
var blockView = (BlockView)elements[1];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[1]], rowView.Elements[0]);
}
Assert.AreEqual(columnHeader2[0], elements[2]);
Assert.AreEqual(columnHeader2[1], elements[3]);
Assert.AreNotEqual(columnHeader2[0], columnHeader2[1]);
}
elementManager.ContainerViewList.RealizeFirst(1);
{
var elements = elementManager.Elements;
Assert.AreEqual(5, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
{
var blockView = (BlockView)elements[1];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[1]], rowView.Elements[0]);
}
}
{
var blockView = (BlockView)elements[2];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[1], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[2]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[3]], rowView.Elements[0]);
}
}
Assert.AreEqual(columnHeader2[0], elements[3]);
Assert.AreEqual(columnHeader2[1], elements[4]);
}
elementManager.ContainerViewList.RealizePrev();
{
var elements = elementManager.Elements;
Assert.AreEqual(5, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
{
var blockView = (BlockView)elements[1];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[1]], rowView.Elements[0]);
}
}
{
var blockView = (BlockView)elements[2];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[1], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[2]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[3]], rowView.Elements[0]);
}
}
Assert.AreEqual(columnHeader2[0], elements[3]);
Assert.AreEqual(columnHeader2[1], elements[4]);
}
elementManager.ContainerViewList.RealizeNext();
{
var elements = elementManager.Elements;
Assert.AreEqual(6, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
{
var blockView = (BlockView)elements[1];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[1]], rowView.Elements[0]);
}
}
{
var blockView = (BlockView)elements[2];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[1], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[2]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[3]], rowView.Elements[0]);
}
}
{
var blockView = (BlockView)elements[3];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[2], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[4]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[5]], rowView.Elements[0]);
}
}
Assert.AreEqual(columnHeader2[0], elements[4]);
Assert.AreEqual(columnHeader2[1], elements[5]);
}
elementManager.ContainerViewList.VirtualizeAll();
{
var elements = elementManager.Elements;
Assert.AreEqual(4, elements.Count);
Assert.AreEqual(columnHeader1[0], elements[0]);
var blockView = (BlockView)elements[1];
Assert.AreEqual(3, blockView.Elements.Count);
Assert.AreEqual(blockHeader[0], blockView.Elements[0]);
{
var rowView = (RowView)blockView.Elements[1];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[0]], rowView.Elements[0]);
}
{
var rowView = (RowView)blockView.Elements[2];
Assert.AreEqual(1, rowView.Elements.Count);
Assert.AreEqual(textBlock[rows[1]], rowView.Elements[0]);
}
Assert.AreEqual(columnHeader2[0], elements[2]);
Assert.AreEqual(columnHeader2[1], elements[3]);
}
elementManager.ClearElements();
Assert.IsNull(elementManager.Elements);
}
}
internal abstract Thickness GetFrozenClip(BlockView blockView, BlockBinding blockBinding);
protected abstract Size GetSize(BlockView blockView, BlockBinding blockBinding);
protected abstract Point GetPosition(BlockView blockView, BlockBinding blockBinding);