public void ItemClickedEvent(string ItemName, ref bool Handled)
{
if (ItemName == GlobalFunctions.c_RemoveVertexButton)
{
if (m_globals.CurrentMode == GlobalFunctions.Modes.RemoveVertex)
{
// I'm already in this mode. Clean up everything.
Cleanup();
}
else
{
// Save cursor mode information
m_globals.SaveCusorMode();
// Set the cursor.
MapWindow.Interfaces.View v = m_globals.MapWin.View;
v.CursorMode = MapWinGIS.tkCursorMode.cmNone;
v.MapCursor = MapWinGIS.tkCursor.crsrUserDefined;
v.UserCursorHandle = m_cursor.Handle.ToInt32();
// Start taking events for MouseMove and MouseUp
MapMouseMoveDelegate = new MapWindow.Events.MapMouseMoveEvent(MapMouseMoveEvent);
m_globals.Events.AddHandler(MapMouseMoveDelegate);
MapMouseUpDelegate = new MapWindow.Events.MapMouseUpEvent(MapMouseUpEvent);
m_globals.Events.AddHandler(MapMouseUpDelegate);
}
}
else
{
Cleanup();
}
}
private void Cleanup()
{
if (MapMouseMoveDelegate != null)
{
m_globals.Events.RemoveHandler(MapMouseMoveDelegate);
MapMouseMoveDelegate = null;
}
if (MapMouseUpDelegate != null)
{
m_globals.Events.RemoveHandler(MapMouseUpDelegate);
MapMouseUpDelegate = null;
}
}
/// <summary>
/// Constructor.
/// The AddShapeForm is used when creating a new shape.
/// The user can either click on the map to generate new points, lines or polygons, or input coordinates in the text boxes provided on the form.
/// </summary>
public AddShapeForm(GlobalFunctions g, ref SnapClass snapper)
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
m_globals = g;
m_cursor = new System.Windows.Forms.Cursor(this.GetType(), "InsertPoint.cur");
view = g.MapWin.View;
m_oldCursorMode = view.CursorMode;
m_oldCursor = view.MapCursor;
m_oldCursorHandle = view.UserCursorHandle;
view.CursorMode = MapWinGIS.tkCursorMode.cmNone;
view.MapCursor = MapWinGIS.tkCursor.crsrWait;
m_SFType = g.MapWin.Layers[g.MapWin.Layers.CurrentLayer].LayerType;
m_Shape = new ShapeClass();
// Sign me up for these events!
m_MapMouseMoveDelegate = new MapWindow.Events.MapMouseMoveEvent(MouseMoveEvent);
g.Events.AddHandler(m_MapMouseMoveDelegate);
m_MapMouseUpDelegate = new MapWindow.Events.MapMouseUpEvent(MouseUpEvent);
g.Events.AddHandler(m_MapMouseUpDelegate);
m_LayerSelectedDelegate = new MapWindow.Events.LayerSelectedEvent(LayerSelectedEvent);
g.Events.AddHandler(m_LayerSelectedDelegate);
MapWindow.Interfaces.eLayerType t = g.MapWin.Layers[g.MapWin.Layers.CurrentLayer].LayerType;
m_sf = g.CurrentLayer;
if ((m_snapper == null) && ((t == lt.LineShapefile) || (t == lt.PointShapefile) || (t == lt.PolygonShapefile)))
{
m_snapper = new SnapClass(m_globals.MapWin);
}
view.MapCursor = MapWinGIS.tkCursor.crsrUserDefined;
view.UserCursorHandle = m_cursor.Handle.ToInt32();
m_PointSize = 6;
}
