void MapImage_MouseDown(SharpMap.Geometries.Point worldPos, MouseEventArgs e)
{
if (m_TargetLayerGuid == Guid.Empty)
{
return;
}
if (!m_IsMoveMode)
{
var area = GIS_V4.Utils.GeometryUtils.PointToArea(worldPos, 3, MapImage.Map.PixelWidth);
var fds = new FeatureDataSet();
var zoneLayer = UserDbLayersManager.GetUserLayer(m_TargetLayerGuid);
zoneLayer.DataSource.ExecuteIntersectionQuery(area.GetBoundingBox(), fds);
if (fds.Tables.Count <= 0)
{
m_SelectedFeature = null;
return;
}
if (fds.Tables[0].Rows.Count <= 0)
{
m_SelectedFeature = null;
MapImage.RefreshFromCache();
return;
}
m_SelectedFeature = fds.Tables[0][0];
MapImage.RefreshFromCache();
}
else
{
//tool in move mode
if (e.Button == MouseButtons.Left)
{
//start shifting on mouse move
m_IsShifting = true;
m_ShiftBeginPnt = worldPos;
m_LastShiftPnt = new SharpMap.Geometries.Point(worldPos.X, worldPos.Y);
}
}
if (m_SelectedFeature != null && e.Button == MouseButtons.Right)
{
if (m_SelectedFeature.Geometry.GetBoundingBox().Contains(worldPos))
{
m_CMenu.Show(MapImage, e.Location);
}
}
}
void mi_Move_Click(object sender, EventArgs e)
{
m_IsMoveMode = true;
m_LastMovedTargetLayerGuid = m_TargetLayerGuid;
m_MiMove.Visible = false;
m_MiApplyMovement.Visible = true;
m_MiCancelMovement.Visible = true;
m_BufZoneUserLayer = UserDbLayersManager.GetUserLayer(m_TargetLayerGuid);
m_BufZoneLayer = (EidssUserBufZoneLayer)m_BufZoneUserLayer;
m_BufZoneBeforeEdit = m_BufZoneLayer.FeatureRowToStruct(m_SelectedFeature);
var wkb = m_SelectedFeature.Geometry.AsBinary();//.AsText();
m_GeomBeforeEdit = Geometry.GeomFromWKB(wkb);
SubscribeApplyEvents();
MapImage.RefreshFromCache();
}
void m_MapImage_MouseMove(SharpMap.Geometries.Point worldPos, MouseEventArgs imagePos)
{
if (m_IsShifting && m_IsMoveMode)
{
var deltaX = worldPos.X - m_LastShiftPnt.X;
var deltaY = worldPos.Y - m_LastShiftPnt.Y;
if (m_SelectedFeature.Geometry is Polygon)
{
var geom = (Polygon)m_SelectedFeature.Geometry;
foreach (var vertex in geom.ExteriorRing.Vertices)
{
vertex.X = vertex.X + deltaX;
vertex.Y = vertex.Y + deltaY;
}
}
m_LastShiftPnt = new SharpMap.Geometries.Point(worldPos.X, worldPos.Y);
MapImage.RefreshFromCache();
}
}
private DialogResult ApplyMovement(bool clearSelection)
{
var dialogResult = MessageBox.Show(Resources.gis_MtSelectBufZones_BZApplyWarning, "",
MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
if (dialogResult == DialogResult.Yes)
{
m_IsMoveMode = false;
//apply changes
m_MiMove.Visible = true;
m_MiApplyMovement.Visible = false;
m_MiCancelMovement.Visible = false;
if (UserDbLayersManager.GetLayerMetadata(m_TargetLayerGuid).m_PivotalLayer != PivotLayerType.None || m_IsMoveMode)
{
m_MiMove.Visible = false;
}
if (clearSelection)
{
m_SelectedFeature = null;
}
m_GeomBeforeEdit = null;
MapImage.RefreshFromCache();
UnsubscribeApplyEvents();
}
else if (dialogResult == DialogResult.No)
{
m_IsMoveMode = false;
UndoMovement(clearSelection);
}
return(dialogResult);
}
