private static void IsInSelectionRange(UIElement uiElement)
{
if (_test != FindParentItemsControl(uiElement))
{
return;
}
var columnContentPresenter = VisualTreeExtensions.FindAncestor <ContentPresenter>(uiElement);
var columnUniformGrid = VisualTreeExtensions.FindAncestor <UniformGrid>(columnContentPresenter);
var rowContentPresenter = VisualTreeExtensions.FindAncestor <ContentPresenter>(columnUniformGrid);
var rowUniformGrid = VisualTreeExtensions.FindAncestor <UniformGrid>(rowContentPresenter);
for (int i = 0; i < rowUniformGrid.Children.Count; i++)
{
var item = VisualTreeExtensions.FindChild <UniformGrid>(rowUniformGrid.Children[i]);
for (int j = 0; j < item.Children.Count; j++)
{
var grid = VisualTreeExtensions.FindChild <Grid>(item.Children[j]);
if (j >= SelectionRangeColumnStart && j <= SelectionRangeColumnEnd && i >= SelectionRangeRowStart && i <= SelectionRangeRowEnd)
{
SetIsSelected(grid, true);
}
else
{
SetIsSelected(grid, false);
}
}
}
}
private static (int Row, int Column) GetControlPositionInGrid(UIElement uiElement)
{
var columnContentPresenter = VisualTreeExtensions.FindAncestor <ContentPresenter>(uiElement);
var columnUniformGrid = VisualTreeExtensions.FindAncestor <UniformGrid>(columnContentPresenter);
var column = columnUniformGrid.Children.IndexOf(columnContentPresenter);
var rowContentPresenter = VisualTreeExtensions.FindAncestor <ContentPresenter>(columnUniformGrid);
var rowUniformGrid = VisualTreeExtensions.FindAncestor <UniformGrid>(rowContentPresenter);
var row = rowUniformGrid.Children.IndexOf(rowContentPresenter);
return(row, column);
}
private static void ForceDeselect(UIElement uiElement)
{
var rowUniformGrid = VisualTreeExtensions.FindChild <UniformGrid>(uiElement);
for (int i = 0; i < rowUniformGrid.Children.Count; i++)
{
var item = VisualTreeExtensions.FindChild <UniformGrid>(rowUniformGrid.Children[i]);
for (int j = 0; j < item.Children.Count; j++)
{
var grid = VisualTreeExtensions.FindChild <Grid>(item.Children[j]);
SetIsSelected(grid, false);
}
}
}
private static ItemsControl FindParentItemsControl(UIElement uiElement)
{
var first = VisualTreeExtensions.FindAncestor <ItemsControl>(uiElement);
return(VisualTreeExtensions.FindAncestor <ItemsControl>(first));
}