public void GetElement(int elementId, OnElementLoaded onElementLoaded)
{
_onElementLoaded = onElementLoaded;
var element = DomainLogic.DB.SqlConn().Table <Element>().Where(p => p.Id == elementId).FirstOrDefault();
SetupElement(ref element);
_onElementLoaded(element);
}
private IObservable <int> Get(MapQuery query, int tag, OnElementLoaded elementLoadedHandler, OnError errorHandler)
{
_trace.Debug(TraceCategory, "Search elements");
WithCancelToken(new CancellationToken(), (cancelTokenHandle) => getDataByText(
tag, query.NotTerms, query.AndTerms, query.OrTerms,
query.BoundingBox.MinPoint.Latitude, query.BoundingBox.MinPoint.Longitude,
query.BoundingBox.MaxPoint.Latitude, query.BoundingBox.MaxPoint.Longitude,
query.LodRange.Minimum, query.LodRange.Maximum, elementLoadedHandler, errorHandler,
cancelTokenHandle.AddrOfPinnedObject())
);
return(Observable.Return(100));
}
/// <summary> Loads tile. </summary>
/// <param name="tile"> Tile to load. </param>
/// <param name="onMeshBuilt"> Mesh callback. </param>
/// <param name="onElementLoaded"> Element callback. </param>
/// <param name="onError"> Error callback. </param>
/// <param name="pathResolver"> Path resolver. </param>
public static void LoadTile(Tile tile, OnMeshBuilt onMeshBuilt,
OnElementLoaded onElementLoaded, OnError onError, IPathResolver pathResolver)
{
var stylePath = pathResolver.Resolve(tile.Stylesheet.Path);
var quadKey = tile.QuadKey;
var cancelTokenHandle = GCHandle.Alloc(tile.CancelationToken, GCHandleType.Pinned);
loadQuadKey(tile.GetHashCode(), stylePath,
quadKey.TileX, quadKey.TileY, quadKey.LevelOfDetail, (int)tile.ElevationType,
onMeshBuilt, onElementLoaded, onError,
cancelTokenHandle.AddrOfPinnedObject());
cancelTokenHandle.Free();
}
/// <summary>
/// 获取并创建WPF的UI元素
/// </summary>
private void SetUIElement()
{
UIElementName = GetType().Name;
UIElementName = UIElementName.Replace("Vm_", ""); //去除命名规范的前缀
UIElementName = UIElementName.Replace("`1", ""); //去除泛型的特定标识
if (UIElementName.StartsWith("Window"))
{
UIElementName = UIElementName.TrimStart("Window".ToCharArray());
UIElement = Get <Window>();
(UIElement as Window).Closing += delegate(object sender, CancelEventArgs e)
{
OnElementClosing?.Invoke(sender, e);
};
}
else if (UIElementName.StartsWith("Page"))
{
UIElementName = UIElementName.TrimStart("Page".ToCharArray());
UIElement = Get <Page>();
}
else if (UIElementName.StartsWith("UC"))
{
UIElementName = UIElementName.TrimStart("UC".ToCharArray());
UIElement = Get <UserControl>();
}
else
{
throw new FrameworkException(103, string.Format("元素[{0}]不符合命名规范！", UIElementName));
}
UIElement.Loaded += delegate(object sender, RoutedEventArgs e)
{
OnElementLoaded?.Invoke(sender, e);
};
UIElement.Unloaded += delegate(object sender, RoutedEventArgs e)
{
OnElementUnLoaded?.Invoke(sender, e);
};
}
private static extern void loadQuadKey(string stylePath, int tileX, int tileY, int levelOfDetails,
OnMeshBuilt meshBuiltHandler, OnElementLoaded elementLoadedHandler, OnError errorHandler);
/// <summary> Loads quadkey. </summary>
/// <param name="stylePath"> Stylesheet path. </param>
/// <param name="quadKey"> QuadKey</param>
/// <param name="onMeshBuilt"></param>
/// <param name="onElementLoaded"></param>
/// <param name="onError"></param>
public static void LoadQuadKey(string stylePath, QuadKey quadKey,
OnMeshBuilt onMeshBuilt, OnElementLoaded onElementLoaded, OnError onError)
{
loadQuadKey(stylePath, quadKey.TileX, quadKey.TileY, quadKey.LevelOfDetail,
onMeshBuilt, onElementLoaded, onError);
}
private static extern void loadQuadKey(string stylePath, int tileX, int tileY, int levelOfDetails,
OnMeshBuilt meshBuiltHandler, OnElementLoaded elementLoadedHandler, OnError errorHandler);
/// <summary> Loads quadkey. </summary>
/// <param name="stylePath"> Stylesheet path. </param>
/// <param name="quadKey"> QuadKey</param>
/// <param name="onMeshBuilt"></param>
/// <param name="onElementLoaded"></param>
/// <param name="onError"></param>
public static void LoadQuadKey(string stylePath, QuadKey quadKey,
OnMeshBuilt onMeshBuilt, OnElementLoaded onElementLoaded, OnError onError)
{
loadQuadKey(stylePath, quadKey.TileX, quadKey.TileY, quadKey.LevelOfDetail,
onMeshBuilt, onElementLoaded, onError);
}
private static extern void loadQuadKey(int tag, string stylePath, int tileX, int tileY, int levelOfDetails, int eleDataType,
OnMeshBuilt meshBuiltHandler, OnElementLoaded elementLoadedHandler, OnError errorHandler, IntPtr cancelToken);
private IObservable <int> Get(Tile tile, int tag, OnMeshBuilt meshBuiltHandler, OnElementLoaded elementLoadedHandler, OnError errorHandler)
{
_trace.Debug(TraceCategory, "Get tile {0}", tile.ToString());
var stylePath = RegisterStylesheet(tile.Stylesheet);
var quadKey = tile.QuadKey;
var cancelTokenHandle = GCHandle.Alloc(tile.CancelationToken, GCHandleType.Pinned);
loadQuadKey(tag, stylePath,
quadKey.TileX, quadKey.TileY, quadKey.LevelOfDetail, (int)tile.ElevationType,
meshBuiltHandler, elementLoadedHandler, errorHandler,
cancelTokenHandle.AddrOfPinnedObject());
cancelTokenHandle.Free();
return(Observable.Return(100));
}
private static extern void getDataByText(int tag, string notTerms, string andTerms, string orTerms,
double minLatitude, double minLogitude, double maxLatitude, double maxLogitude,
int startLod, int endLod,
OnElementLoaded elementLoadedHandler, OnError errorHandler, IntPtr cancelToken);
