private static void filterSelected(ILayer layer, IMapView2D view, IExtents worldBounds)
{
if (layer == null)
{
return;
}
FeatureLayer filterLayer = layer as FeatureLayer;
if (filterLayer != null)
{
if (layer.Enabled &&
filterLayer.AreFeaturesSelectable &&
layer.IsVisibleWhen(isInView(view.WorldWidth)))
{
SpatialBinaryExpression spatialExpression
= SpatialBinaryExpression.Intersects(new FeaturesCollectionExpression(filterLayer.Features),
new ExtentsExpression(worldBounds));
filterLayer.SelectedFilter = filterLayer.SelectedFilter == null
? new FeatureQueryExpression(new AllAttributesExpression(), spatialExpression, null)
: new FeatureQueryExpression(filterLayer.SelectedFilter, spatialExpression);
}
}
IEnumerable <ILayer> layers = layer as IEnumerable <ILayer>;
if (layers != null)
{
foreach (ILayer child in layers)
{
filterSelected(child, view, worldBounds);
}
}
}
public void InitalizingMapPresenterWithNonEmptyMapHasUndefinedView()
{
MockRepository mocks = new MockRepository();
Map map = new Map(_factories.GeoFactory);
map.AddLayer(DataSourceHelper.CreateFeatureFeatureLayer(_factories.GeoFactory));
IMapView2D mapView = mocks.Stub <IMapView2D>();
SetupResult.For(mapView.Dpi).Return(ScreenHelper.Dpi);
mapView.ViewSize = new Size2D(1000, 1000);
mocks.ReplayAll();
TestPresenter2D mapPresenter = new TestPresenter2D(map, mapView);
//Assert.Equal(map.Center[Ordinates.X], mapPresenter.GeoCenter[Ordinates.X]);
//Assert.Equal(map.Center[Ordinates.Y], mapPresenter.GeoCenter[Ordinates.Y]);
Assert.Equal(0, mapPresenter.WorldWidth);
Assert.Equal(0, mapPresenter.WorldHeight);
Assert.Equal(0, mapPresenter.WorldUnitsPerPixel);
Assert.Equal(1, mapPresenter.WorldAspectRatio);
Assert.Equal(0, mapPresenter.PixelWorldWidth);
Assert.Equal(0, mapPresenter.PixelWorldHeight);
Assert.Equal(null, mapPresenter.ToViewTransform);
Assert.Equal(null, mapPresenter.ToWorldTransform);
}
private void testBeginZoomIn(ActionContext <IMapView2D, Point2D> context)
{
IMapView2D view = context.MapView;
view.Selection.Clear();
view.Selection.AddPoint(context.CurrentPoint);
}
private static Rectangle2D endSelection(ActionContext <IMapView2D, Point2D> context)
{
IMapView2D view = context.MapView;
view.Selection.Close();
return(view.Selection.Path.Bounds);
}
public void ConfigureMapView(IMapView2D mapView)
{
mapView.ViewSize = OutputSize;
if (RealWorldBounds == null)
mapView.ZoomToExtents();
else
mapView.ZoomToWorldBounds(RealWorldBounds);
}
private static void ContinuePan(ActionContext <IMapView2D, Point2D> context)
{
IMapView2D view = context.MapView;
Point2D previousPoint = context.PreviousPoint;
Point2D currentPoint = context.CurrentPoint;
Point2D difference = previousPoint - currentPoint;
view.Offset(difference);
}
public void ConfigureMapView(IMapView2D mapView)
{
mapView.ViewSize = OutputSize;
if (RealWorldBounds == null)
{
mapView.ZoomToExtents();
}
else
{
mapView.ZoomToWorldBounds(RealWorldBounds);
}
}
private static void beginSelection(ActionContext <IMapView2D, Point2D> context)
{
IMapView2D view = context.MapView;
// NOTE: changed Point.Empty to null
if (view.GeoCenter == null)
{
throw new InvalidOperationException("No visible region is set for this view.");
}
view.Selection.Clear();
view.Selection.AddPoint(context.CurrentPoint);
}
private void testEndZoomIn(ActionContext <IMapView2D, Point2D> context)
{
IMapView2D view = context.MapView;
if (view.Selection.Path.Points.Count == 1)
{
zoomByFactor(view, context.CurrentPoint, 1.2); // 0.83333333333333337
}
else
{
view.Selection.Close();
context.MapView.ZoomToViewBounds(view.Selection.Path.Bounds);
}
}
private TestPresenter2D createPresenter(MockRepository mocks, Double width, Double height)
{
Map map = new Map(_factories.GeoFactory);
map.AddLayer(DataSourceHelper.CreateFeatureFeatureLayer(_factories.GeoFactory));
//map.AddLayer(DataSourceHelper.CreateGeometryFeatureLayer());
IMapView2D mapView = mocks.Stub <IMapView2D>();
SetupResult.For(mapView.Dpi).Return(ScreenHelper.Dpi);
mapView.ViewSize = new Size2D(width, height);
TestPresenter2D mapPresenter = new TestPresenter2D(map, mapView);
return(mapPresenter);
}
private static void zoomByFactor(ActionContext <IMapView2D, Point2D> context, Double zoomFactor)
{
IMapView2D view = context.MapView;
zoomFactor = 1 / zoomFactor;
Size2D viewSize = view.ViewSize;
Point2D viewCenter = new Point2D((viewSize.Width / 2), (viewSize.Height / 2));
Point2D viewDifference = context.CurrentPoint - viewCenter;
Point2D zoomUpperLeft = new Point2D(viewDifference.X * zoomFactor, viewDifference.Y * zoomFactor);
Size2D zoomBoundsSize = new Size2D(viewSize.Width * zoomFactor, viewSize.Height * zoomFactor);
Rectangle2D zoomViewBounds = new Rectangle2D(zoomUpperLeft, zoomBoundsSize);
view.ZoomToViewBounds(zoomViewBounds);
}
/// <summary>
/// Close the view's selection and set the map's GeometryFilter.
/// </summary>
/// <param name="context">
/// An <see cref="ActionContext{IMapView2D, Point2D}"/> which provides
/// information about where, and on which view, the action occurred.
/// </param>
private static void EndQuery(ActionContext <IMapView2D, Point2D> context)
{
IMapView2D view = context.MapView;
Rectangle2D viewBounds = endSelection(context);
// Create a BoundingBox for the view's selection using the map's world space
IExtents worldBounds = context.Map.GeometryFactory.CreateExtents(
view.ToWorld(viewBounds.LowerLeft),
view.ToWorld(viewBounds.UpperRight));
// Apply the GeometryFilter derived from the view's selection
for (Int32 i = context.Map.Layers.Count - 1; i >= 0; i--)
{
filterSelected(context.Map.Layers[i], view, worldBounds);
}
}
public void GettingGeoCenterOnUndefinedViewFails()
{
MockRepository mocks = new MockRepository();
Map map = new Map(_factories.GeoFactory);
IMapView2D mapView = mocks.Stub <IMapView2D>();
SetupResult.For(mapView.Dpi).Return(ScreenHelper.Dpi);
mapView.ViewSize = new Size2D(200, 400);
mocks.ReplayAll();
TestPresenter2D mapPresenter = new TestPresenter2D(map, mapView);
// Changed to null from Point.Empty
Assert.Throws <InvalidOperationException>(delegate { Assert.Equal(null, mapPresenter.GeoCenter); });
}
private static void zoomByFactor(IMapView2D view, Point2D zoomCenter, Double zoomFactor)
{
zoomFactor = 1 / zoomFactor;
Size2D viewSize = view.ViewSize;
Point2D viewCenter = new Point2D((viewSize.Width / 2), (viewSize.Height / 2));
Point2D viewDifference = zoomCenter - viewCenter;
Size2D zoomBoundsSize = new Size2D(viewSize.Width * zoomFactor, viewSize.Height * zoomFactor);
Double widthDifference = zoomBoundsSize.Width - viewSize.Width;
Double heightDifference = zoomBoundsSize.Height - viewSize.Height;
Point2D zoomUpperLeft = new Point2D(viewDifference.X * zoomFactor - widthDifference / 2,
viewDifference.Y * zoomFactor - heightDifference / 2);
Rectangle2D zoomViewBounds = new Rectangle2D(zoomUpperLeft, zoomBoundsSize);
view.ZoomToViewBounds(zoomViewBounds);
}
public void TransformingPointFromWorldToViewOnUndefinedViewFails()
{
MockRepository mocks = new MockRepository();
Map map = new Map(_factories.GeoFactory);
IMapView2D mapView = mocks.Stub <IMapView2D>();
SetupResult.For(mapView.Dpi).Return(ScreenHelper.Dpi);
mapView.ViewSize = new Size2D(200, 400);
mocks.ReplayAll();
TestPresenter2D mapPresenter = new TestPresenter2D(map, mapView);
Assert.Throws <InvalidOperationException>(delegate
{
Assert.Equal(Point2D.Empty,
mapPresenter.ToView(
_factories.GeoFactory.CoordinateFactory.
Create(50, 50)));
});
}
public void InitalizingMapPresenterWithEmptyMapHasUndefinedView()
{
MockRepository mocks = new MockRepository();
Map map = new Map(_factories.GeoFactory);
IMapView2D mapView = mocks.Stub <IMapView2D>();
SetupResult.For(mapView.Dpi).Return(ScreenHelper.Dpi);
mapView.ViewSize = new Size2D(200, 400);
mocks.ReplayAll();
TestPresenter2D mapPresenter = new TestPresenter2D(map, mapView);
Assert.Equal(0, mapPresenter.WorldWidth);
Assert.Equal(0, mapPresenter.WorldHeight);
Assert.Equal(0, mapPresenter.WorldUnitsPerPixel);
Assert.Equal(1, mapPresenter.WorldAspectRatio);
Assert.Equal(0, mapPresenter.PixelWorldWidth);
Assert.Equal(0, mapPresenter.PixelWorldHeight);
Assert.Equal(null, mapPresenter.ToViewTransform);
Assert.Equal(null, mapPresenter.ToWorldTransform);
}
public void ConfigureMapView(IMapView2D mapView)
{
mapView.ViewSize = OutputSize;
mapView.BackgroundColor = BackgroundColor;
mapView.ZoomToWorldBounds(RealWorldBounds);
}
public void ConfigureMapView(IMapView2D mapView)
{
mapView.ViewSize = OutputSize;
mapView.BackgroundColor = BackgroundColor;
mapView.ZoomToWorldBounds(RealWorldBounds);
}
public TestPresenter2D(Map map, IMapView2D mapView)
: base(map, mapView)
{
}
private static void filterSelected(ILayer layer, IMapView2D view, IExtents worldBounds)
{
if (layer == null)
{
return;
}
FeatureLayer filterLayer = layer as FeatureLayer;
if (filterLayer != null)
{
if (layer.Enabled &&
filterLayer.AreFeaturesSelectable &&
layer.IsVisibleWhen(isInView(view.WorldWidth)))
{
SpatialBinaryExpression spatialExpression
= SpatialBinaryExpression.Intersects(new FeaturesCollectionExpression(filterLayer.Features),
new ExtentsExpression(worldBounds));
filterLayer.SelectedFilter = filterLayer.SelectedFilter == null
? new FeatureQueryExpression(new AllAttributesExpression(), spatialExpression, null)
: new FeatureQueryExpression(filterLayer.SelectedFilter, spatialExpression);
}
}
IEnumerable<ILayer> layers = layer as IEnumerable<ILayer>;
if (layers != null)
{
foreach (ILayer child in layers)
{
filterSelected(child, view, worldBounds);
}
}
}