public void MoveAfterIndex()
{
// arrange
var layerCollection = new LayerCollection();
var layer1 = new MemoryLayer()
{
Name = "Layer1"
};
var layer2 = new MemoryLayer()
{
Name = "Layer2"
};
var layer3 = new MemoryLayer()
{
Name = "Layer3"
};
layerCollection.Add(layer1);
layerCollection.Add(layer2);
layerCollection.Add(layer3);
// act
layerCollection.Move(3, layer1);
// assert
var list = layerCollection.ToList();
Assert.AreEqual(3, list.Count());
Assert.NotNull(list[0]);
Assert.AreEqual("Layer2", list[0].Name);
Assert.NotNull(list[1]);
Assert.AreEqual("Layer3", list[1].Name);
Assert.NotNull(list[2]);
Assert.AreEqual("Layer1", list[2].Name);
}
/// <inheritdoc/>
protected override void Initialize()
{
base.Initialize();
if (!IsInDesignMode)
{
layers = Map.Layers;
layers.CollectionChanged += Layers_CollectionChanged;
layers.LayerSelectabilityChanged += layers_LayerSelectabilityChanged;
layers.LayerVisibilityChanged += layers_LayerVisibilityChanged;
UpdateLayerList();
Tools.Reordering.GridReordering.apply(LayersStack, 1, null);
Tools.Reordering.GridReordering.AddRowMovedHandler(LayersStack, (s, e) => layers.Move(layerIndices[e.SourceRow], layerIndices[e.TargetRow]));
Tools.Reordering.GridReordering.AddAllowMoveRowHandler(LayersStack, (s, e) =>
{
// only allow to move within the same primary category
int targetRow = Math.Min(layers.Count - 1, Math.Max(e.TargetRow, 0));
var sourceLayer = layers[layerIndices[e.SourceRow]];
var targetLayer = layers[layerIndices[targetRow]];
e.IsAllowed = sourceLayer != null && targetLayer != null &&
sourceLayer.CanvasCategories != null && sourceLayer.CanvasCategories.Length != 0 &&
targetLayer.CanvasCategories != null && targetLayer.CanvasCategories.Length != 0 &&
sourceLayer.CanvasCategories[0] == targetLayer.CanvasCategories[0];
});
}
// Adds this gadget to the gadget collection of the map as a layers gadget.
Map.Gadgets.Add(GadgetType.Layers, this);
}