public void InvokeInfo(Point screenPosition, Point startScreenPosition, float scale, ISymbolCache symbolCache,
Action <IWidget> widgetCallback)
{
var allWidgets = Layers.Select(l => l.Attribution).Where(a => a != null).Concat(Widgets).ToList();
// First check if a Widget is clicked. In the current design they are always on top of the map.
var widget = WidgetTouch.GetWidget(screenPosition, startScreenPosition, scale, allWidgets);
if (widget != null)
{
widgetCallback(widget);
return;
}
if (Info == null)
{
return;
}
var eventArgs = InfoHelper.GetInfoEventArgs(Viewport, screenPosition, scale, InfoLayers, symbolCache);
if (eventArgs != null)
{
Info?.Invoke(this, eventArgs);
}
}
public void IgnoringDisabledLayers()
{
// arrange
var map = new Map();
map.Viewport.Resolution = 1;
map.Viewport.Width = 10;
map.Viewport.Height = 10;
map.Viewport.Center = new Point(5, 5);
var disabledLayer = new MemoryLayer
{
Name = "TestLayer",
DataSource = new MemoryProvider(CreatePolygon(1, 3)),
Enabled = false
};
map.Layers.Add(disabledLayer);
map.InfoLayers.Add(disabledLayer);
var screenPositionHit = map.Viewport.WorldToScreen(2, 2);
// act
var argsHit = InfoHelper.GetInfoEventArgs(map.Viewport, screenPositionHit, map.InfoLayers, null);
// assert;
Assert.IsTrue(argsHit.Feature == null);
Assert.IsTrue(argsHit.Layer == null);
Assert.IsTrue(argsHit.WorldPosition.Equals(new Point(2, 2)));
}
public bool InvokeInfo(Point screenPosition, Point startScreenPosition, float scale, ISymbolCache symbolCache,
Action <IWidget, Point> widgetCallback, int numTaps)
{
var allWidgets = Layers.Select(l => l.Attribution).Where(a => a != null).Concat(Widgets).ToList();
// First check if a Widget is clicked. In the current design they are always on top of the map.
var widget = WidgetTouch.GetWidget(screenPosition, startScreenPosition, scale, allWidgets);
if (widget != null)
{
// TODO how should widgetCallback have a handled type thing?
// Widgets should be iterated through rather than getting a single widget,
// based on Z index and then called until handled = true; Ordered By highest Z
widgetCallback(widget, new Point(screenPosition.X / scale, screenPosition.Y / scale));
return(true);
}
if (Info == null)
{
return(false);
}
var eventArgs = InfoHelper.GetInfoEventArgs(Viewport, screenPosition, scale, InfoLayers, symbolCache, numTaps);
if (eventArgs != null)
{
// TODO Info items should be iterated through rather than getting a single item,
// based on Z index and then called until handled = true; Ordered By highest Z
Info?.Invoke(this, eventArgs);
return(eventArgs.Handled);
}
return(false);
}
public void InvokeInfo(Point screenPosition, ISymbolCache symbolCache)
{
if (Info == null)
{
return;
}
var eventArgs = InfoHelper.GetInfoEventArgs(Viewport, screenPosition, InfoLayers, symbolCache);
if (eventArgs != null)
{
Info?.Invoke(this, eventArgs);
}
}
public void InvokeHover(Point screenPosition, ISymbolCache symbolCache)
{
if (Hover == null)
{
return;
}
if (HoverLayers.Count == 0)
{
return;
}
var hoverEventArgs = InfoHelper.GetInfoEventArgs(Viewport, screenPosition, HoverLayers, symbolCache);
if (hoverEventArgs?.Feature != _previousHoverEventArgs?.Feature) // only notify when the feature changes
{
_previousHoverEventArgs = hoverEventArgs;
Hover?.Invoke(this, hoverEventArgs);
}
}
public void IgnoringLayersOutOfScaleRange()
{
// arrange
var map = new Map();
map.Viewport.Resolution = 1;
map.Viewport.Width = 10;
map.Viewport.Height = 10;
map.Viewport.Center = new Point(5, 5);
var layerBelowRange = new MemoryLayer
{
Name = "MaxVisibleLayer",
DataSource = new MemoryProvider(CreatePolygon(1, 3)),
MaxVisible = 0.9
};
var layerAboveRange = new MemoryLayer
{
Name = "MinVisibleLayer",
DataSource = new MemoryProvider(CreatePolygon(1, 3)),
MinVisible = 1.1
};
map.Layers.Add(layerBelowRange);
map.Layers.Add(layerAboveRange);
map.InfoLayers.Add(layerBelowRange);
map.InfoLayers.Add(layerAboveRange);
var screenPositionHit = map.Viewport.WorldToScreen(2, 2);
var scale = 1;
// act
var argsHit = InfoHelper.GetInfoEventArgs(map.Viewport, screenPositionHit, scale, map.InfoLayers, null);
// assert;
Assert.IsTrue(argsHit.Feature == null);
Assert.IsTrue(argsHit.Layer == null);
Assert.IsTrue(argsHit.WorldPosition.Equals(new Point(2, 2)));
}
public void TestInfo()
{
// arrange
var map = new Map();
map.Viewport.Resolution = 1;
map.Viewport.Width = 10;
map.Viewport.Height = 10;
map.Viewport.Center = new Point(5, 5);
var layer = new MemoryLayer
{
Name = "TestLayer",
DataSource = new MemoryProvider(CreatePolygon(1, 4))
};
map.Layers.Add(layer);
map.InfoLayers.Add(layer);
var screenPositionHit = map.Viewport.WorldToScreen(2, 2);
var screenPositionMiss = map.Viewport.WorldToScreen(9, 9);
var scale = 1;
// act
var argsHit = InfoHelper.GetInfoEventArgs(map.Viewport, screenPositionHit, scale, map.InfoLayers, null);
var argsMis = InfoHelper.GetInfoEventArgs(map.Viewport, screenPositionMiss, scale, map.InfoLayers, null);
// assert;
Assert.IsTrue(argsHit.Feature.Geometry != null);
Assert.IsTrue(argsHit.Layer.Name == "TestLayer");
Assert.IsTrue(argsHit.WorldPosition.Equals(new Point(2, 2)));
// If not on feature still return args with world position.
Assert.IsTrue(argsMis.Feature?.Geometry == null);
Assert.IsTrue(argsMis.Layer == null);
Assert.IsTrue(argsMis.WorldPosition.Equals(new Point(9, 9)));
}
