static private Point[] GetPointsByAngle(AngleEnum triangleAngle, Rectangle position)
{
switch (triangleAngle)
{
case AngleEnum.TopLeft:
return(new Point[3] {
new Point(position.Left, position.Top),
new Point(position.Right, position.Top),
new Point(position.Left, position.Bottom)
});
case AngleEnum.TopCenter:
return(new Point[3] {
new Point(position.Left + (position.Width / 2), position.Top),
new Point(position.Left, position.Bottom),
new Point(position.Right, position.Bottom)
});
case AngleEnum.TopRight:
return(new Point[3] {
new Point(position.Left, position.Top),
new Point(position.Right, position.Top),
new Point(position.Right, position.Bottom)
});
case AngleEnum.BottomLeft:
return(new Point[3] {
new Point(position.Left, position.Top),
new Point(position.Left, position.Bottom),
new Point(position.Right, position.Bottom)
});
case AngleEnum.BottomCenter:
return(new Point[3] {
new Point(position.Left, position.Top),
new Point(position.Right, position.Top),
new Point(position.Left + (position.Width / 2), position.Bottom)
});
case AngleEnum.BottomRight:
return(new Point[3] {
new Point(position.Right, position.Top),
new Point(position.Left, position.Bottom),
new Point(position.Right, position.Bottom)
});
default:
throw EnumNotImplementedException.Throw(triangleAngle,
ExceptionMessages.MSG_NOT_YET_IMPLEMENTED);
}
}
public override void OnMouseUp(object sender, MouseEventArgs e)
{
var mouseLocation = e.Location;
var snappedLocation = Grid.SnapToGrid(mouseLocation);
switch (action)
{
case SelectorAction.BeginSelectionRectangle:
// Redirect to MouseUp:EndSelectionRectangle
action = SelectorAction.EndSelectionRectangle;
OnMouseUp(sender, e);
break;
case SelectorAction.EndSelectionRectangle:
SetSelectedRectangle(mouseDownLocation, mouseLocation);
break;
case SelectorAction.BeginMoveSelectedShapes:
// Redirect to MouseUp:EndMoveSelectedShapes
action = SelectorAction.EndMoveSelectedShapes;
OnMouseUp(sender, e);
break;
case SelectorAction.EndMoveSelectedShapes:
ClickData.ShapeApplyOffset();
// Reset click data
ClickData.Clear(false);
selectedRectangleDownLocation = new Point();
mouseDownLocation = new Point();
break;
case SelectorAction.None:
break;
default:
throw EnumNotImplementedException.Throw(action, ExceptionMessages.MSG_NOT_YET_IMPLEMENTED);
}
Canvas.Instance.Invalidate();
}
public override void OnMouseDown(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Left)
{
return;
}
var mouseLocation = e.Location;
var snappedLocation = Grid.SnapToGrid(mouseLocation);
switch (action)
{
case SelectorAction.BeginSelectionRectangle:
mouseDownLocation = mouseLocation;
//ClickData.Set(mouseDownLocation, ShapeClickAction.Drag);
SetSelectedRectangle(mouseDownLocation, mouseLocation);
break;
case SelectorAction.EndSelectionRectangle:
OnMouseDown_HandleDragSelection(sender, e, mouseLocation, snappedLocation, true);
break;
case SelectorAction.EndMoveSelectedShapes:
OnMouseDown_HandleDragSelection(sender, e, mouseLocation, snappedLocation, false);
break;
case SelectorAction.None:
// This should only get triggered on the initial mouse down,
// But in case, just clear the selected rectangle info and MouseDown with BeginSelectionRectangle
ClearSelectedRectangle();
action = SelectorAction.BeginSelectionRectangle;
OnMouseDown(sender, e);
break;
default:
throw EnumNotImplementedException.Throw(action, ExceptionMessages.MSG_NOT_YET_IMPLEMENTED);
}
Canvas.Instance.Invalidate();
}
public static bool ShowFileDialog(LoadSaveAction action)
{
bool result = false;
FileDialog d;
Func <string, bool> fileAction;
switch (action)
{
case LoadSaveAction.LoadProject:
d = SetupFileDialog(new OpenFileDialog(), "Load Project (.shp)", ".shp");
fileAction = LoadProject;
break;
case LoadSaveAction.SaveProject:
d = SetupFileDialog(new SaveFileDialog(), "Save Project (.shp)", ".shp");
fileAction = SaveProject;
break;
case LoadSaveAction.ExportToImage:
d = SetupFileDialog(new SaveFileDialog(), "Export to Image (.png,.jpg,.bmp)", ".png");
fileAction = ExportToImage;
break;
default:
throw EnumNotImplementedException.Throw(action);
}
if (d.ShowDialog() == DialogResult.OK)
{
result = fileAction(d.FileName);
}
d.Dispose();
d = null;
return(result);
}
public override void OnMouseMove(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Left)
{
return;
}
var mouseLocation = e.Location;
var snappedLocation = Grid.SnapToGrid(mouseLocation);
switch (action)
{
case SelectorAction.BeginSelectionRectangle:
SetSelectedRectangle(mouseDownLocation, snappedLocation);
break;
case SelectorAction.BeginMoveSelectedShapes:
Canvas.Instance.Focus();
ClickData.Set(ShapeClickAction.Drag);
ClickData.ShapeUpdateOffset(snappedLocation);
Point moveTo = new Point(
snappedLocation.X - mouseDownLocation.X,
snappedLocation.Y - mouseDownLocation.Y
);
selectedRectangle.X = selectedRectangleDownLocation.X + moveTo.X;
selectedRectangle.Y = selectedRectangleDownLocation.Y + moveTo.Y;
break;
default:
throw EnumNotImplementedException.Throw(action, ExceptionMessages.MSG_NOT_YET_IMPLEMENTED);
}
Canvas.Instance.Invalidate();
}
