private bool FindMapObjects(Point location, out HashItem[] vertexRows, out HashItem[] cableRows)
{
HashItem[] vertexR = null;
HashItem[] cableR = null;
try
{
var coordinate = GeomCoordinate.GetCoordinateFromScreen(_netLayer.ScreenView, location);
var tasks = new List <Task>
{
Task.Factory.StartNew(() => vertexR = _netLayer.FindNearestVertex(coordinate)),
Task.Factory.StartNew(() => cableR = _netLayer.FindNearestCable(coordinate))
};
Task.WaitAll(tasks.ToArray());
}
catch (Exception)
{
vertexR = null;
cableR = null;
}
vertexRows = vertexR;
cableRows = cableR;
return((vertexRows != null && vertexRows.Length > 0) || (cableRows != null && cableRows.Length > 0));
}
private void MapCtl_DoubleClick(object sender, EventArgs e)
{
if (_mapLayer.Terminating)
{
return;
}
HashItem[] vertexRows;
HashItem[] cableRows;
if (!ShiftKey && !FindMapObjects(_mousePreviousLocation, out vertexRows, out cableRows))
{
CenterCoordinate = GeomCoordinate.GetCoordinateFromScreen(_netLayer.ScreenView, _mousePreviousLocation);
}
}
private void MapCtl_MouseMove(object sender, MouseEventArgs e)
{
if (_mapLayer.Terminating)
{
return;
}
CursorCoordinate = GeomCoordinate.GetCoordinateFromScreen(_netLayer.ScreenView, new Point(e.X, e.Y));
if (_mouseMoveMap)
{
var deltaX = _mousePreviousLocation.X - e.X;
var deltaY = _mousePreviousLocation.Y - e.Y;
CenterCoordinate = _coordinatePreviosLocation + new ScreenCoordinate(deltaX, deltaY, Level);
}
else
{
if (String.IsNullOrEmpty(toolTip1.GetToolTip(this)))
{
HashItem[] vertexRows;
HashItem[] cableRows;
FindMapObjects(e.Location, out vertexRows, out cableRows);
if (vertexRows.Length > 0)
{
var vertex = _netLayer.GetVertex(vertexRows[0].Value);
if (vertex != null)
{
toolTip1.RemoveAll();
toolTip1.Show(vertex.Caption, this, e.Location, 3000);
}
}
else if (cableRows.Length > 0)
{
var cable = _netLayer.GetCable(cableRows[0].Value);
if (cable != null)
{
toolTip1.RemoveAll();
toolTip1.Show(cable.Caption, this, e.Location, 3000);
}
}
}
}
}
private void MapCtl_MouseDown(object sender, MouseEventArgs e)
{
if (_mapLayer.Terminating)
{
return;
}
if (_mouseMoveMap)
{
return;
}
if (e.Button == MouseButtons.Left)
{
CursorCoordinate = GeomCoordinate.GetCoordinateFromScreen(_netLayer.ScreenView, new Point(e.X, e.Y));
HashItem[] vertexRows;
HashItem[] cableRows;
if (!FindMapObjects(e.Location, out vertexRows, out cableRows))
{
_mousePreviousLocation = new Point(e.X, e.Y);
if (ShiftKey)
{
MapCtl_MouseWheel(this, new MouseEventArgs(e.Button, e.Clicks, e.X, e.Y, 1));
CenterCoordinate = GeomCoordinate.GetCoordinateFromScreen(_netLayer.ScreenView, _mousePreviousLocation);
}
else
{
_mouseMoveMap = true;
_coordinatePreviosLocation = CenterCoordinate;
}
}
else
{
if (vertexRows.Length > 0)
{
var vertex = _netLayer.GetVertex(vertexRows[0].Value);
if (vertex != null)
{
MessageBox.Show(vertex.Caption, @"Vertex found!");
}
}
else if (cableRows.Length > 0)
{
var cable = _netLayer.GetCable(cableRows[0].Value);
if (cable != null)
{
MessageBox.Show(cable.Caption, @"Cable found!");
}
}
}
}
else if (e.Button == MouseButtons.Right)
{
HashItem[] vertexRows;
HashItem[] cableRows;
if (!FindMapObjects(e.Location, out vertexRows, out cableRows))
{
_mousePreviousLocation = new Point(e.X, e.Y);
if (ShiftKey)
{
MapCtl_MouseWheel(this, new MouseEventArgs(e.Button, e.Clicks, e.X, e.Y, -1));
CenterCoordinate = GeomCoordinate.GetCoordinateFromScreen(_netLayer.ScreenView, _mousePreviousLocation);
}
}
else
{
var menu = new ContextMenu();
foreach (var row in vertexRows)
{
var vertex = _netLayer.GetVertex(row.Value);
var item = menu.MenuItems.Add(String.Format(@"Delete Vertex: {0}", vertex.Caption), MapCtl_DeleteVertexClick);
item.Tag = row.Value;
}
foreach (var row in cableRows)
{
var cable = _netLayer.GetCable(row.Value);
var item = menu.MenuItems.Add(String.Format(@"Delete Cable: {0}", cable.Caption), MapCtl_DeleteCableClick);
item.Tag = row.Value;
}
menu.Show(this, e.Location);
}
}
}
