private static void OrientationChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
int oldRowSpan = TileGrid.GetRowSpan(sender);
int oldColSpan = TileGrid.GetColumnSpan(sender);
TileGrid.SetColumnSpan(sender, oldRowSpan);
TileGrid.SetRowSpan(sender, oldColSpan);
HorizontalAlignment oldHAlign = (sender as NumberSlider).s.HorizontalAlignment;
VerticalAlignment oldVAlign = (sender as NumberSlider).s.VerticalAlignment;
(sender as NumberSlider).s.HorizontalAlignment =
oldHAlign == HorizontalAlignment.Center ? HorizontalAlignment.Stretch : HorizontalAlignment.Center;
(sender as NumberSlider).s.VerticalAlignment =
oldVAlign == VerticalAlignment.Center ? VerticalAlignment.Stretch : VerticalAlignment.Center;
}
private void PopulateControlPreviewWrapPanel(WrapPanel wp, IEnumerable <Type> controlTypes)
{
wp.Children.Clear();
foreach (Type controlType in controlTypes)
{
//do some fancy arranging. what we need:
//size-to-fit border (plus some extra space) with transparent background to register the hits.
//label the extra space with the name of the control
SourcedControl c = (SourcedControl)controlType.GetConstructor(Type.EmptyTypes).Invoke(null);
c.IsEnabled = false;
double expectedWidth = TileGrid.GetColumnSpan(c) * 50;
double expectedHeight = TileGrid.GetRowSpan(c) * 50;
TileGrid container = new TileGrid()
{
ShowGridlines = false,
IsEditable = false,
TileSizingMode = TileSizingMode.Uniform,
Width = expectedWidth,
Height = expectedHeight,
Background = new SolidColorBrush(Colors.Transparent)
};
container.Children.Add(c);
Border outline = new Border()
{
Background = new SolidColorBrush(Colors.Transparent),
BorderBrush = new SolidColorBrush(Colors.Black),
BorderThickness = new Thickness(1),
Margin = new Thickness(5)
};
StackPanel p = new StackPanel();
outline.Child = p;
TextBlock label = new TextBlock()
{
Text = Util.ToTitleCase(controlType.Name),
Margin = new Thickness(2)
};
p.Children.Add(label);
p.Children.Add(new Separator());
p.Children.Add(container);
wp.Children.Add(outline);
}
}
private void PlaceAtDropPoint(SourcedControl c, DragEventArgs e)
{
Point dropPoint = e.GetPosition(dashboardRoot);
//centering. goal: if there span is even, we want to center on nearest line,
//if span is odd, center the nearest full tile
//for even, rounding works because the division causes the control to tend towards the left
int colSpan = TileGrid.GetColumnSpan(c);
int rowSpan = TileGrid.GetRowSpan(c);
double preciseCol = dropPoint.X / dashboardRoot.GetColumnWidth();
double preciseRow = dropPoint.Y / dashboardRoot.GetRowHeight();
int col = colSpan % 2 == 0 ? (int)Math.Round(preciseCol) : (int)Math.Floor(preciseCol);
int row = rowSpan % 2 == 0 ? (int)Math.Round(preciseRow) : (int)Math.Floor(preciseRow);
int colOffset = colSpan / 2;
int rowOffset = rowSpan / 2;
col = Math.Max(col - colOffset, 0);
row = Math.Max(row - rowOffset, 0);
TileGrid.SetColumn(c, col);
TileGrid.SetRow(c, row);
}