def createPortConstraints(self, constraining_shape, shapes, orientation):
"""Create the contstraints needed to display the ports in relation to the component.
Uses ports on the right and provides ports on the left."""
if len(shapes) == 0:
return []
if orientation == "RIGHT":
position = ogl.CONSTRAINT_RIGHT_OF
else:
position = ogl.CONSTRAINT_LEFT_OF
constraints = []
if len(shapes) > 0:
constraints.append(ogl.Constraint(position,constraining_shape, [shapes[0]]))
topShape = bottomShape = shapes[0]
for x in range(1,len(shapes)):
constraints.append(ogl.Constraint(ogl.CONSTRAINT_ALIGNED_LEFT,
topShape, [shapes[x]]))
tmpCon = None
if x%2:
tmpCon = ogl.Constraint(ogl.CONSTRAINT_ABOVE, topShape, [shapes[x]])
constraints.append(tmpCon)
tmpCon.SetSpacing(0,self.portSpacing)
topShape = shapes[x]
else:
tmpCon = ogl.Constraint(ogl.CONSTRAINT_BELOW, bottomShape, [shapes[x]])
constraints.append(tmpCon)
tmpCon.SetSpacing(0,self.portSpacing)
bottomShape = shapes[x]
return constraints
else:
return None
def createGaugeConstraint(self, constraining_shape, shape):
"""Create the contraints used to display the gauges in relation to uses ports they represent."""
position1 = ogl.CONSTRAINT_LEFT_OF
constraint = ogl.Constraint(position1, constraining_shape, [shape])
self.AddConstraint(constraint)
position2 = ogl.CONSTRAINT_CENTRED_VERTICALLY
constraint = ogl.Constraint(position2, constraining_shape, [shape])
self.AddConstraint(constraint)
def __init__(self, canvas):
ogl.CompositeShape.__init__(self)
self.SetCanvas(canvas)
constraining_shape = ogl.RectangleShape(120, 100)
constrained_shape1 = ogl.CircleShape(50)
constrained_shape2 = ogl.RectangleShape(80, 20)
constraining_shape.SetBrush(wx.BLUE_BRUSH)
constrained_shape2.SetBrush(wx.RED_BRUSH)
self.AddChild(constraining_shape)
self.AddChild(constrained_shape1)
self.AddChild(constrained_shape2)
constraint = ogl.Constraint(ogl.CONSTRAINT_MIDALIGNED_BOTTOM,
constraining_shape,
[constrained_shape1, constrained_shape2])
self.AddConstraint(constraint)
self.Recompute()
# If we don't do this, the shapes will be able to move on their
# own, instead of moving the composite
constraining_shape.SetDraggable(False)
constrained_shape1.SetDraggable(False)
constrained_shape2.SetDraggable(False)
# If we don't do this the shape will take all left-clicks for itself
constraining_shape.SetSensitivityFilter(0)
def test_lib_oglCompositeShape(self):
ogl.OGLInitialize()
osc = ogl.ShapeCanvas(self.frame)
self.diagram = ogl.Diagram()
osc.SetDiagram(self.diagram)
self.diagram.SetCanvas(osc)
aShape = ogl.CompositeShape()
aShape.SetCanvas(osc)
self.diagram.AddShape(aShape)
constraining_shape = ogl.RectangleShape(120, 100)
constrained_shape1 = ogl.CircleShape(50)
constrained_shape2 = ogl.RectangleShape(80, 20)
aShape.AddChild(constraining_shape)
aShape.AddChild(constrained_shape1)
aShape.AddChild(constrained_shape2)
constraint = ogl.Constraint(ogl.CONSTRAINT_MIDALIGNED_BOTTOM,
constraining_shape,
[constrained_shape1, constrained_shape2])
aShape.AddConstraint(constraint)
aShape.Recompute()
