def __init__(self):
QtWidgets.QWidget.__init__(self)
Ui_Form.__init__(self)
self.picked = None
self.mflag = False
self.figure = Figure([])
self.setupUi(self)
self._connect_all()
self.show()
class MainWindow(QtWidgets.QWidget, Ui_Form):
def __init__(self):
QtWidgets.QWidget.__init__(self)
Ui_Form.__init__(self)
self.picked = None
self.mflag = False
self.figure = Figure([])
self.setupUi(self)
self._connect_all()
self.show()
def _connect_all(self):
self.open_pb.clicked.connect(self.choose_open_file_action)
self.save_pb.clicked.connect(self.choose_save_file_action)
self.add_pb.clicked.connect(self.add_curve_action)
self.graphicsView.clicked.connect(self.gview_clicked_action)
def choose_open_file_action(self):
filename = QtWidgets.QFileDialog.getOpenFileName()[0]
# TODO: opening and reading from pickled file
with open(filename, 'rb') as ifile:
self.figure = pickle.Unpickler(ifile).load()
self.draw()
def choose_save_file_action(self):
filename = QtWidgets.QFileDialog.getSaveFileName()[0]
# TODO: seriliazation object with pickle and writing it to file
with open(filename, 'wb') as ofile:
pickle.Pickler(ofile).dump(self.figure)
def add_curve_action(self):
curve = Curve(Point(100, 100), Point(200, -40), Point(-100, 100))
self.figure.add_curve(curve)
self.draw()
def draw(self):
self.graphicsView.clear_scene()
for curve in self.figure.curves:
self.draw_curve(curve)
def gview_clicked_action(self, point):
print(self.picked)
if self.picked is not None:
for picked_point in filter(self.picked.__eq__, self.figure.points):
picked_point.x = point.x
picked_point.y = point.y
self.picked = None
self.draw()
else:
try:
self.picked = next(filter(point.__eq__, self.figure.points))
self.graphicsView.add_point(point, QtCore.Qt.green)
except Exception:
pass
def draw_curve(self, curve):
icurve = iter(curve)
prev = next(icurve)
for curr in icurve:
self.graphicsView.add_line(prev, curr)
prev = curr
