// Left mouse button selects the object clicked on, or drag something already selected.
public override MapViewer.DragAction LeftButtonDown(Pane pane, PointF location, float pixelSize, ref bool displayUpdateNeeded)
{
if (pane == Pane.Map)
{
CourseLayout activeCourse = controller.GetCourseLayout();
CourseObj clickedObject;
PointF handleLocation;
Cursor handleCursor;
// Area we initiating a drag of a corner?
clickedObject = HitTestHandle(location, pixelSize, out handleLocation, out handleCursor);
if (clickedObject != null)
{
// being dragging the corner
DragHandleMode commandMode = new DragHandleMode(controller, clickedObject, handleLocation, location);
controller.SetCommandMode(commandMode);
displayUpdateNeeded = true;
return(MapViewer.DragAction.ImmediateDrag);
}
// Are we initiating a drag of an object?
clickedObject = HitTestDraggable(location, pixelSize);
if (clickedObject != null)
{
// Begin dragging the clicked object.
DragObjectMode commandMode = new DragObjectMode(controller, eventDB, selectionMgr, clickedObject, location);
controller.SetCommandMode(commandMode);
displayUpdateNeeded = true;
return(MapViewer.DragAction.ImmediateDrag);
}
return(MapViewer.DragAction.DelayedDrag);
}
else if (pane == Pane.Topology)
{
CourseObj clickedObject = HitTest(pane, location, pixelSize, (co => !(co is TopologyDropTargetCourseObj)));
if (clickedObject is ControlNumberCourseObj || clickedObject is CrossingCourseObj ||
(clickedObject is StartCourseObj && (eventDB.GetControl(((StartCourseObj)clickedObject).controlId).kind == ControlPointKind.MapExchange)))
{
// Can drag control numbers, crossing points, or map exchanges.
selectionMgr.SelectCourseObject(clickedObject);
displayUpdateNeeded = true;
return(MapViewer.DragAction.DelayedDrag);
}
}
return(MapViewer.DragAction.None);
}
// Left mouse button selects the object clicked on, or drag something already selected.
public override MapViewer.DragAction LeftButtonDown(Pane pane, PointF location, float pixelSize, ref bool displayUpdateNeeded)
{
if (pane == Pane.Map) {
CourseLayout activeCourse = controller.GetCourseLayout();
CourseObj clickedObject;
PointF handleLocation;
Cursor handleCursor;
// Area we initiating a drag of a corner?
clickedObject = HitTestHandle(location, pixelSize, out handleLocation, out handleCursor);
if (clickedObject != null) {
// being dragging the corner
DragHandleMode commandMode = new DragHandleMode(controller, clickedObject, handleLocation, location);
controller.SetCommandMode(commandMode);
displayUpdateNeeded = true;
return MapViewer.DragAction.ImmediateDrag;
}
// Are we initiating a drag of an object?
clickedObject = HitTestDraggable(location, pixelSize);
if (clickedObject != null) {
// Begin dragging the clicked object.
DragObjectMode commandMode = new DragObjectMode(controller, eventDB, selectionMgr, clickedObject, location);
controller.SetCommandMode(commandMode);
displayUpdateNeeded = true;
return MapViewer.DragAction.ImmediateDrag;
}
return MapViewer.DragAction.DelayedDrag;
}
else if (pane == Pane.Topology) {
CourseObj clickedObject = HitTest(pane, location, pixelSize, (co => !(co is TopologyDropTargetCourseObj)));
if (clickedObject is ControlNumberCourseObj || clickedObject is CrossingCourseObj ||
(clickedObject is StartCourseObj && (eventDB.GetControl(((StartCourseObj)clickedObject).controlId).kind == ControlPointKind.MapExchange)))
{
// Can drag control numbers, crossing points, or map exchanges.
selectionMgr.SelectCourseObject(clickedObject);
displayUpdateNeeded = true;
return MapViewer.DragAction.DelayedDrag;
}
}
return MapViewer.DragAction.None;
}