private void MapFrame_LayerSelected(object sender, LayerSelectedEventArgs e)
{
if (!e.IsSelected && e.Layer == _activeLayer)
{
_activeLayer = null;
if (_moveVertexFunction != null)
{
_moveVertexFunction.ClearSelection(); // changed by jany_ (2016-02-24) make sure highlighted features are reset too to prevent exception
}
return;
}
_activeLayer = e.Layer as IFeatureLayer;
if (_activeLayer == null)
{
return;
}
if (_moveVertexFunction != null)
{
UpdateMoveVertexFunctionLayer();
}
if (_addShapeFunction != null) // changed by jany_ (2016-02-24) update both because moveFeature might not be the active function just because it is not null
{
UpdateAddShapeFunctionLayer();
}
}
private void SetActiveLayer(ILayer layer)
{
IFeatureLayer fl = layer as IFeatureLayer;
if (fl == null)
{
_activeLayer = null;
_addShape.Enabled = false;
if (_moveVertexFunction != null)
{
_moveVertexFunction.ClearSelection(); // To prevent nullReference Exception when occrus MouseMove.
UpdateMoveVertexFunctionLayer();
}
if (_addShapeFunction != null)
{
_addShapeFunction.DeleteShape(null, null); // To clean the map while there is pending shape editing.
UpdateAddShapeFunctionLayer();
}
}
else
{
_activeLayer = fl;
_addShape.Enabled = true;
}
}
/// <summary>
/// 맵프레임에서 레이어를 선택하면, 편집 레이어로 설정한다.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MapFrameLayerSelected(object sender, LayerSelectedEventArgs e)
{
if (!e.IsSelected && e.Layer == _activeLayer)
{
_activeLayer = null;
// 예외를 방지하기 위해 강조 표시된 상태를 재설정합니다.
_moveVertexFunction?.ClearSelection();
return;
}
_activeLayer = e.Layer as IFeatureLayer;
if (_activeLayer == null)
{
_addShapeBtn.Enabled = false;
_moveVertexBtn.Enabled = false;
return;
}
// [20200409] fdragons
_geoMap.FunctionMode = FunctionMode.Pan;
_geoMap.Cursor = Cursors.Hand;
// 편집중인 도형이 널이 아니기 때문에 둘 다 업데이트한다.
if (_moveVertexFunction != null)
{
UpdateMoveVertexFunctionLayer();
}
if (_addShapeFunction != null)
{
UpdateAddShapeFunctionLayer();
}
}
private void UpdateMoveVertexFunctionLayer()
{
_moveVertexFunction.ClearSelection(); // changed by jany_ (2016-02-24) make sure highlighted features are reset too to prevent exception
_moveVertexFunction.Layer = _activeLayer;
SetSnapLayers(_moveVertexFunction);
}