/// <summary>
/// Arrange horizontal composition (creating grid with rows)
/// </summary>
private void _ArrangeHorizontal(Grid grid, ref double minWidth)
{
Debug.Assert(CompositionType.Terminal != _type);
minWidth = DockablePane.MIN_PANE_SIZE;
for (int index = 0; index < _children.Count; ++index)
{
Composition currentComposition = _children[index];
// create row for child
RowDefinition row = new RowDefinition();
row.Height = new GridLength(currentComposition.SpaceFactor, GridUnitType.Star);
grid.RowDefinitions.Add(row);
double minHeight = DockablePane.MIN_PANE_SIZE;
UIElement gridElement = null;
if (CompositionType.Terminal == currentComposition.Type)
{
gridElement = currentComposition.AttachedPane;
}
else
{ // if child is compostition - create grid for children
Grid lineGrid = new Grid();
currentComposition._ArrangeVertical(lineGrid, ref minHeight);
gridElement = lineGrid;
double splittersSpace = SPLITTER_SIZE * (currentComposition.Children.Count - 1);
lineGrid.MinWidth = grid.MinWidth = DockablePane.MIN_PANE_SIZE * currentComposition.Children.Count + splittersSpace;
minWidth = Math.Max(minWidth, grid.MinWidth);
}
row.MinHeight = minHeight;
// inited row number in new element
grid.Children.Add(gridElement);
Grid.SetRow(gridElement, index);
// set margin for splitter
Thickness margin = new Thickness(0);
if ((index < _children.Count - 1) && (1 < _children.Count))
{
margin = new Thickness(0, 0, 0, SPLITTER_SIZE);
}
gridElement.SetValue(FrameworkElement.MarginProperty, margin);
if (0 < index)
{ // add splitter
GridSplitter splitter = new GridSplitter();
splitter.Height = SPLITTER_SIZE;
splitter.HorizontalAlignment = HorizontalAlignment.Stretch;
splitter.VerticalAlignment = VerticalAlignment.Bottom;
splitter.Style = (Style)Application.Current.FindResource("DockingSplitterStyle");
Grid.SetRow(splitter, index - 1);
grid.Children.Add(splitter);
}
}
}