private void Form1_MouseUp(object sender, MouseEventArgs e)
{
bool hasMoved = mouseDownLocation.X != e.X || mouseDownLocation.Y != e.Y;
if (hasSelected)
{
if (hasSecondSelected)
{
ShapeComposite newGroup = new ShapeComposite("group");
newGroup.AddChild(SelectedShape);
newGroup.AddChild(SecondSelectedShape);
shapeList.Remove(SelectedShape);
shapeList.Remove(SecondSelectedShape);
SecondSelectedShape.selected = false;
SecondSelectedShape = null;
Command groupShape = new AddShapeCommand(shapeList, newGroup);
history.Add(groupShape);
Command selectShape = new SelectShapeCommand(newGroup, this);
history.Add(selectShape);
}
if (hasMoved)
{
Point velocity = new Point(e.Location.X - mouseDownLocation.X, e.Location.Y - mouseDownLocation.Y);
Command moveShape = new MoveShapeCommand(SelectedShape, velocity, shapeStartPosition);
history.Add(moveShape);
}
Invalidate();
}
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
bool hasMoved = mouseDownLocation.X != e.X || mouseDownLocation.Y != e.Y;
if (hasSelected)
{
if (hasSecondSelected)
{
ShapeComposite newGroup = new ShapeComposite();
newGroup.AddChild(SelectedShape);
newGroup.AddChild(SecondSelectedShape);
MacroCommand macroCommandSelectedShape = new MacroCommand();
macroCommandSelectedShape.Add(new CustomCommand(
() =>
{
shapeList.Remove(SelectedShape);
shapeList.Remove(SecondSelectedShape);
},
() =>
{
shapeList.Add(newGroup.groupMembers[0]);
shapeList.Add(newGroup.groupMembers[1]);
}
));
SecondSelectedShape.selected = false;
SecondSelectedShape = null;
macroCommandSelectedShape.Add(new AddShapeCommand(shapeList, newGroup));
history.Add(macroCommandSelectedShape);
}
if (hasMoved)
{
Point velocity = new Point(e.Location.X - mouseDownLocation.X, e.Location.Y - mouseDownLocation.Y);
Command moveShape = new MoveShapeCommand(SelectedShape, velocity, shapeStartPosition);
history.Add(moveShape);
}
Invalidate();
}
}
public override void Visit(ShapeComposite shapeComposite)
{
// For now we know groups are always 2 shapes big
int childCount = 2;
for (int i = 0; i < childCount; i++)
{
currentLine = streamReader.ReadLine();
Shape shape = CreateShapeFromLine(currentLine);
shape.Accept(this);
shapeComposite.AddChild(shape);
}
}