public void PaintLayerTest()
{
var layers = new List<LayerViewModel>();
var A = new LayerViewModel {Name = "A"};
var B = new LayerViewModel { Name = "B" };
layers.Add(A);
layers.Add(B);
LayerMapper.PaintLayers(layers);
Assert.AreEqual(0.75, A.Color.H);
Assert.AreEqual(0.25,B.Color.H);
}
public static IEnumerable<LayerViewModel> PaintLayers(List<LayerViewModel> layers,
IColorData parentColorData = null,LayerViewModel parent = null,int depth = 0)
{
var toPaintDistinct = new List<LayerViewModel>();
var toPaintSameColor = new List<LayerViewModel>();
if (parentColorData == null)
parentColorData = _pallette.GetStartingColorData();
IColorData sameColor;
if (parent != null && parent.Invisible)
{
//Parent is invisible, paint all layers with the parent color
toPaintSameColor = layers;
sameColor = parentColorData;
}
else
{
sameColor = _pallette.GetSubColor(parentColorData);
if (depth == 0 && layers.Sum(x => x.Descendants) < 5)
{
toPaintDistinct = layers;
}
else
{
//TODO: Maybe not require children if the tree is shorter than 3?
toPaintDistinct = layers.Where(l => l.Children.Any() && !l.Invisible).ToList();
toPaintSameColor = layers.Where(l => !l.Children.Any() || l.Invisible).ToList();
}
}
var distinctColors = new Stack<IColorData>();
if (toPaintDistinct.Count > 1)
distinctColors = _pallette.GetDistinctColors(parentColorData,toPaintDistinct.Count);
if(toPaintDistinct.Count == 1)
distinctColors = new Stack<IColorData>(_pallette.GetDistinctColors(parentColorData,2).Take(1));
foreach (var layer in toPaintSameColor)
{
PaintLayer(layer, sameColor);
}
foreach (var layer in toPaintDistinct)
{
var colorData = distinctColors.Pop();
PaintLayer(layer, colorData);
}
return layers;
}
public LayerView(LayerViewModel layerModel)
{
InitializeComponent();
LayerName = layerModel.Name;
NameBlock.Text = layerModel.Name;
Row = layerModel.Row;
Column = layerModel.Column;
var childMargin = GetChildMargin();
var childs = layerModel.Children.Select(ViewModelGenerator.CreateViewFromViewModel).ToList();
foreach (var child in childs)
{
if(child is LayerView)
(child as LayerView).Border.Margin = childMargin;
ChildHolder.Children.Add(child.UiElement);
Grid.SetColumn(child.UiElement, child.Column);
Grid.SetRow(child.UiElement, child.Row);
}
for (var i = 0; i < layerModel.Rows; i++)
ChildHolder.RowDefinitions.Add(new RowDefinition());
for (var i = 0; i < layerModel.Columns; i++)
ChildHolder.ColumnDefinitions.Add(new ColumnDefinition());
DataContext = this;
var color = layerModel.Color;
var borderColor = CalculateBorderColor(color);
var textColor = CalculateTextColor(color);
Border.Background = new SolidColorBrush(color);
Border.BorderBrush = new SolidColorBrush(borderColor);
NameBlock.Foreground = new SolidColorBrush(textColor);
if (!childs.Any())
{
DockPanel.VerticalAlignment = VerticalAlignment.Center;
Border.Background = new LinearGradientBrush(color, borderColor, 30);
}
if (layerModel.Anonymous) HideName();
if (layerModel.Invisible) Hide();
}
private static void SetupColumnAndRows(LayerViewModel node, IEnumerable<DiagramSymbolViewModel> children)
{
children.OfType<LayerViewModel>().ForEach(model => SetupColumnAndRows(model, model.Children));
var column = 0;
var row = 0;
foreach (var childLayer in children)
{
childLayer.Column = column;
childLayer.Row = row;
if (node.Orientation == Horizontal)
column++;
else
row++;
}
node.Rows = row;
node.Columns = column;
}
private static void PaintLayer(LayerViewModel layer, IColorData colorData,int depth = 0)
{
layer.Color = colorData.GetColor();
PaintLayers(layer.Children.OfType<LayerViewModel>().ToList(), colorData, layer,depth + 1);
}