// This file is part of SharpMap.

// SharpMap is free software; you can redistribute it and/or modify

// it under the terms of the GNU Lesser General Public License as published by

// the Free Software Foundation; either version 2 of the License, or

// (at your option) any later version.

//

// SharpMap is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

// GNU Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public License

// along with SharpMap; if not, write to the Free Software

// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

using System;

using System.Drawing;

using System.Drawing.Imaging;

using System.Linq;

using System.Reactive.Linq;

using GeoAPI.Geometries;

using NUnit.Framework;

using SharpMap;

using SharpMap.Layers;

namespace UnitTests

{

public static class Extenders

{

#region MapNewTileAvailableEventArgs class

public class MapNewTileAvailableEventArgs : EventArgs

{

public MapNewTileAvailableEventArgs(TileLayer sender, Envelope bbox, Bitmap bm, int sourceWidth,

int sourceHeight, ImageAttributes imageAttributes)

{

Sender = sender;

BoundingBox = bbox;

Bitmap = bm;

SourceWidth = sourceWidth;

SourceHeight = sourceHeight;

ImageAttributes = imageAttributes;

}

public TileLayer Sender { get; private set; }

public Envelope BoundingBox { get; private set; }

public Bitmap Bitmap { get; private set; }

public int SourceWidth { get; private set; }

public int SourceHeight { get; private set; }

public ImageAttributes ImageAttributes { get; private set; }

}

#endregion

#region DownloadProgressEventArgs class

public class DownloadProgressEventArgs : EventArgs

{

public DownloadProgressEventArgs(int tilesRemaining)

{

TilesRemaining = tilesRemaining;

}

public int TilesRemaining { get; private set; }

}

#endregion

#region Map extenders

public static LayerCollection GetCollection(this Map map, LayerCollectionType collectionType)

{

switch (collectionType)

{

case LayerCollectionType.Background:

return map.BackgroundLayer;

case LayerCollectionType.Static:

return map.Layers;

case LayerCollectionType.Variable:

return map.VariableLayers;

default:

throw new Exception();

}

}

public static IObservable<MapNewTileAvailableEventArgs> GetMapNewTileAvailableAsObservable(this Map map)

{

var listener = new EventListener(map, "MapNewTileAvaliable");

return listener.SavedArgs.ToObservable()

.Select(dict => new MapNewTileAvailableEventArgs(

(TileLayer) dict["sender"],

(Envelope) dict["bbox"],

(Bitmap) dict["bm"],

(int) dict["sourceWidth"],

(int) dict["sourceHeight"],

(ImageAttributes) dict["imageAttributes"]));

}

#endregion

public static IObservable<MapNewTileAvailableEventArgs> GetMapNewTileAvailableAsObservable(

this ITileAsyncLayer layer)

{

var listener = new EventListener(layer, "MapNewTileAvaliable");

return listener.SavedArgs.ToObservable()

.Select(dict => new MapNewTileAvailableEventArgs(

(TileLayer)dict["sender"],

(Envelope)dict["bbox"],

(Bitmap)dict["bm"],

(int)dict["sourceWidth"],

(int)dict["sourceHeight"],

(ImageAttributes)dict["imageAttributes"]));

}

public static IObservable<DownloadProgressEventArgs> GetDownloadProgressAsObservable(this ITileAsyncLayer layer)

{

var listener = new EventListener(layer, "DownloadProgressChanged");

return listener.SavedArgs.ToObservable()

.Select(dict => new DownloadProgressEventArgs((int)dict["tilesRemaining"]));

}

public static string GetDescription(this TestContext.TestAdapter adapter)

{

return (string)adapter.Properties["_DESCRIPTION"].FirstOrDefault();

}

}

}