/// <summary>
/// Frees any area selection tool.
/// </summary>
void FreeAreaSelectionTool()
{
if (m_Sel!=null)
{
m_Sel = null;
ActiveDisplay.MapPanel.Cursor = Cursors.Default;
}
}
/// <summary>
/// Ensures the area selection tool has been created.
/// </summary>
/// <returns>The area selection tool (never null)</returns>
/// <remarks>
/// The selection tool should get created when the user moves the mouse while
/// holding down the CTRL key. However, it's possible the user might do something
/// like press CTRL and then do a mouse down (without moving the mouse).
/// </remarks>
SelectionTool GetAreaSelectionTool()
{
// If we're currently auto-highlighting, get rid of it altogether (confuses things).
if (m_IsAutoSelect != 0)
AutoSelect = false;
// Ensure any property window has been removed
m_Main.ClosePropertiesWindow();
if (m_Sel==null)
{
m_Sel = new SelectionTool(this);
ActiveDisplay.MapPanel.Cursor = SelectionTool.Cursor;
}
return m_Sel;
}
/// <summary>
/// Initializes a new instance of the <see cref="EditingController"/> class.
/// </summary>
/// <param name="main">The main dialog for the Cadastral Editor application</param>
internal EditingController(MainForm main)
: base()
{
if (main==null)
throw new ArgumentNullException();
m_Project = null;
m_ActiveLayer = null;
m_Main = main;
m_IsAutoSelect = 0;
m_Inverse = null;
m_Check = null;
m_Sel = null;
m_HasSelectionChanged = false;
m_DataServer = null;
// If we know of a database, create the access class
string cs = LastDatabase.ConnectionString;
if (!String.IsNullOrWhiteSpace(cs))
m_DataServer = new DataServer(cs);
}