/// <summary>
/// This is responsible for unwiring the ZoomToLayer event.
/// </summary>
/// <param name="collection"></param>
protected override void Ignore_Layer_Events(ILayerEvents collection)
{
if (collection == null)
{
return;
}
collection.ZoomToLayer -= Layers_ZoomToLayer;
collection.LayerAdded -= Layers_LayerAdded;
collection.LayerRemoved -= Layers_LayerRemoved;
base.Ignore_Layer_Events(collection);
}
/// <summary>
/// This is responsible for wiring the ZoomToLayer event from any layers
/// in the map frame whenever the layer collection is changed.
/// </summary>
/// <param name="collection">Collection the events get wired to.</param>
protected override void HandleLayerEvents(ILayerEvents collection)
{
if (collection == null)
{
return;
}
collection.ZoomToLayer += LayersZoomToLayer;
collection.LayerAdded += LayersLayerAdded;
collection.LayerRemoved += LayersLayerRemoved;
base.HandleLayerEvents(collection);
}
/// <summary>
/// When setting an old layer collection it is advisable to not only add
/// new handlers to the new collection, but remove the handlers related
/// to the old collection.
/// </summary>
/// <param name="collection"></param>
protected virtual void Ignore_Layer_Events(ILayerEvents collection)
{
if (collection == null) return;
collection.LayerVisibleChanged -= LayersLayerVisibleChanged;
collection.ItemChanged -= LayersItemChanged;
collection.ZoomToLayer -= Layers_ZoomToLayer;
collection.SelectionChanging -= collection_SelectionChanging;
collection.LayerSelected -= collection_LayerSelected;
collection.LayerAdded -= Layers_LayerAdded;
collection.LayerRemoved -= Layers_LayerRemoved;
collection.SelectionChanged -= collection_SelectionChanged;
}
/// <summary>
/// When setting an old layer collection it is advisable to not only add
/// new handlers to the new collection, but remove the handlers related to the old collection.
/// </summary>
/// <param name="collection">Collection events get removed from.</param>
protected virtual void IgnoreLayerEvents(ILayerEvents collection)
{
if (collection == null)
{
return;
}
collection.LayerVisibleChanged -= LayersLayerVisibleChanged;
collection.ItemChanged -= LayersItemChanged;
collection.ZoomToLayer -= LayersZoomToLayer;
collection.SelectionChanging -= CollectionSelectionChanging;
collection.LayerSelected -= CollectionLayerSelected;
collection.LayerAdded -= LayersLayerAdded;
collection.LayerRemoved -= LayersLayerRemoved;
collection.SelectionChanged -= CollectionSelectionChanged;
}
/// <summary>
/// Given a new LayerCollection, we need to be sensitive to certain events
/// </summary>
protected virtual void Handle_Layer_Events(ILayerEvents collection)
{
if (collection == null)
{
return;
}
collection.LayerVisibleChanged += LayersLayerVisibleChanged;
collection.ItemChanged += LayersItemChanged;
collection.ZoomToLayer += Layers_ZoomToLayer;
collection.SelectionChanging += collection_SelectionChanging;
collection.LayerSelected += collection_LayerSelected;
collection.LayerAdded += Layers_LayerAdded;
collection.LayerRemoved += Layers_LayerRemoved;
collection.SelectionChanged += collection_SelectionChanged;
}
/// <summary>
/// When setting an old layer collection it is advisable to not only add
/// new handlers to the new collection, but remove the handlers related
/// to the old collection.
/// </summary>
/// <param name="collection"></param>
protected virtual void Ignore_Layer_Events(ILayerEvents collection)
{
if (collection == null) return;
collection.LayerVisibleChanged -= Layers_LayerVisibleChanged;
collection.ItemChanged -= Layers_ItemChanged;
collection.ZoomToLayer -= Layers_ZoomToLayer;
collection.SelectionChanging -= collection_SelectionChanging;
collection.LayerSelected -= collection_LayerSelected;
collection.LayerAdded -= Layers_LayerAdded;
collection.LayerRemoved -= Layers_LayerRemoved;
}
/// <summary>
/// This is responsible for unwiring the ZoomToLayer event.
/// </summary>
/// <param name="collection"></param>
protected override void Ignore_Layer_Events(ILayerEvents collection)
{
if (collection == null) return;
collection.ZoomToLayer -= Layers_ZoomToLayer;
collection.LayerAdded -= Layers_LayerAdded;
collection.LayerRemoved -= Layers_LayerRemoved;
base.Ignore_Layer_Events(collection);
}
/// <summary>
/// This is responsible for wiring the ZoomToLayer event from any layers
/// in the map frame whenever the layer collection is changed.
/// </summary>
/// <param name="collection"></param>
protected override void Handle_Layer_Events(ILayerEvents collection)
{
if (collection == null) return;
collection.ZoomToLayer += Layers_ZoomToLayer;
collection.LayerAdded += Layers_LayerAdded;
collection.LayerRemoved += Layers_LayerRemoved;
base.Handle_Layer_Events(collection);
}
/// <summary>
/// Given a new LayerCollection, we need to be sensitive to certain events
/// </summary>
protected virtual void Handle_Layer_Events(ILayerEvents collection)
{
if (collection == null) return;
collection.LayerVisibleChanged += LayersLayerVisibleChanged;
collection.ItemChanged += LayersItemChanged;
collection.ZoomToLayer += Layers_ZoomToLayer;
collection.SelectionChanging += collection_SelectionChanging;
collection.LayerSelected += collection_LayerSelected;
collection.LayerAdded += Layers_LayerAdded;
collection.LayerRemoved += Layers_LayerRemoved;
collection.SelectionChanged += collection_SelectionChanged;
}
/// <summary>
/// Unwires events from the layer collection
/// </summary>
/// <param name="collection"></param>
protected override void Ignore_Layer_Events(ILayerEvents collection)
{
if (collection == null) return;
IMapLayerCollection glc = collection as IMapLayerCollection;
if (glc == null) return;
glc.BufferChanged -= GeoLayerBufferChanged;
glc.LayerAdded -= LayerColection_LayerAdded;
glc.LayerVisibleChanged -= LayerCollection_LayerVisibleChanged;
base.Ignore_Layer_Events(collection);
}
/// <summary>
/// Wires each of the layer events that the MapFrame should be listening to.
/// </summary>
/// <param name="collection"></param>
protected override void Handle_Layer_Events(ILayerEvents collection)
{
if (collection == null) return;
IMapLayerCollection glc = collection as IMapLayerCollection;
if (glc == null) return;
glc.BufferChanged += GeoLayerBufferChanged;
glc.LayerAdded += LayerColection_LayerAdded;
glc.LayerVisibleChanged += LayerCollection_LayerVisibleChanged;
glc.ItemChanged += LayerCollection_MembersChanged;
base.Handle_Layer_Events(collection);
}
