/// <summary>
/// Event that occurs when the AddShapeForm is closing. I generate the return value here.
/// </summary>
/// <param name="sender">The object causing the close event.</param>
/// <param name="e">Event data.</param>
private void AddShapeForm_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
m_globals.Events.RemoveHandler(m_MapMouseMoveDelegate);
m_globals.Events.RemoveHandler(m_MapMouseUpDelegate);
m_globals.MapWin.View.CursorMode = m_oldCursorMode;
m_globals.MapWin.View.MapCursor = m_oldCursor;
m_globals.MapWin.View.UserCursorHandle = m_oldCursorHandle;
if (m_sf.EditingShapes == true)
{
m_globals.CreateUndoPoint();
m_sf.StopEditingShapes(true, true, null);
}
if (m_Shape.NumPoints > 0)
{
m_retval = m_Shape.ToMWShape(m_sf.ShapefileType);
}
else
{
m_retval = null;
}
//Added by Lailin Chen to clear the SnapData list after use 12/12/2005
m_snapper.ClearSnapData();
}
private void AddShape(ShapeClass s)
{
if (m_SFType == MapWindow.Interfaces.eLayerType.LineShapefile)
{
if (s.NumPoints < 2)
{
ResetForNew();
MapWinUtility.Logger.Message("You must add at least two points for a line.", "Not Enough Points", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, DialogResult.OK);
return;
}
}
else if (m_SFType == MapWindow.Interfaces.eLayerType.PolygonShapefile)
{
// 3 + 1 for termination point - first must equal last, meaning we have to have 4 for a polygon
if (s.NumPoints < 4)
{
ResetForNew();
MapWinUtility.Logger.Message("You must add at least three points for a polygon.", "Not Enough Points", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, DialogResult.OK);
return;
}
}
if (m_sf.EditingShapes == false)
{
if (m_sf.StartEditingShapes(true, null) == false)
{
MapWinUtility.Logger.Msg("Could not edit the shapefile.", "Error");
if (!GlobalFunctions.m_StayInAddMode)
{
this.Close();
}
else
{
ResetForNew();
}
return;
}
}
int newIndex = m_sf.NumShapes;
MapWinGIS.Shape shp = s.ToMWShape(m_sf.ShapefileType);
//MapWinGIS.ShapefileColorScheme cs = m_globals.MapWin.Layers[m_globals.MapWin.Layers.CurrentLayer].ColoringScheme;
if (m_sf.EditInsertShape(shp, ref newIndex) == false)
{
MapWinUtility.Logger.Msg("Failed to add the new shape to the shapefile.", "Error");
}
else
{
if (m_snapper != null)
{
m_snapper.AddShapeData(newIndex, m_globals.MapWin.Layers.CurrentLayer);
}
// Save
if (m_sf.EditingShapes == true)
{
m_globals.CreateUndoPoint();
m_sf.StopEditingShapes(true, true, null);
}
m_globals.MapWin.Plugins.BroadcastMessage("ShapefileEditor: Layer " + m_globals.MapWin.Layers.CurrentLayer.ToString() + ": New Shape Added");
}
m_globals.MapWin.View.Draw.ClearDrawing(m_drawHandle);
if (!GlobalFunctions.m_StayInAddMode)
{
this.Close();
}
else
{
ResetForNew();
}
}
