def __init__(self):
super(Scene, self).__init__()
Observable.__init__(self)
self.logger = logging.getLogger("Scene")
self.blocks = []
self.edges = []
self.graphics_scene = ESGraphicsScene(self)
self.history = SceneHistoryController(self)
def __init__(self, scene, start_socket, end_socket=None, edge_type=EdgeType.BEZIER):
super(Edge, self).__init__()
Observable.__init__(self) # explicit call to second parent class
self.logger = logging.getLogger("Edge")
self.scene = scene
# init sockets
self.start_socket = start_socket
self.end_socket = end_socket
self.graphics_edge, self.__edge_type = (None,) * 2
self.edge_type = edge_type
# add edge to the scene
self.scene.add_edge(self)
def __init__(self,
block,
index=0,
position=Position.BOTTOM_LEFT,
socket_type=SocketType.INPUT,
edge_limit=-1):
super(Socket, self).__init__()
Observable.__init__(self) # explicit call to second parent class
self.logger = logging.getLogger("Socket")
self.block = block
self.index = index
self.position = position
self.socket_type = socket_type
self.edge_limit = edge_limit
self.edges = []
self._init_graphics()
def __init__(self,
scene,
title="Start",
socket_types=[],
pos=[],
parent=None,
icon=None,
output_edges=1,
bg_color=None):
super(Block, self).__init__()
Observable.__init__(self) # explicit call to second parent class
self.logger = logging.getLogger("Block")
self.scene = scene
self.parent = parent # any container
self.graphics_block = None
self.bg_color = bg_color
self.icon = icon
self.title = title # is also the pattern name
self.inputs = []
self.outputs = []
self.socket_spacing = 22
self._init_ui(socket_types, pos, output_edges)
# add observers
self.editing_observers = Observable()
self.settings_observers = Observable()
# add editing/settings listeners
self.content.editing_icon.clicked.connect(
lambda: self.editing_observers.notify_all(event=self))
self.content.settings_icon.clicked.connect(
lambda: self.settings_observers.notify_all(event=self))
# add block to the scene
self.scene.add_block(self)
def __init__(self, block, parent=None, bg_color=None):
super(ESGraphicsBlock, self).__init__(parent=parent)
Observable.__init__(self)
self.block = block
self.logger = logging.getLogger("GraphicsBlock")
# properties
block_size_settings = config_helper.get_block_size_settings()
self.width = block_size_settings["width"]
self.height = block_size_settings["height"]
self.rounded_edge_size = block_size_settings["rounded_edge_size"]
self.title_height = block_size_settings["title_height"]
self._padding = 5.0
self.is_moved = False
# pen
block_colors = config_helper.get_colors()
self._default_pen = QPen(QColor("#{}".format(block_colors['pen']['default'])))
self._default_pen.setWidthF(2.0)
self._selected_pen = QPen(QColor("#{}".format(block_colors['pen']['selected'])))
self._selected_pen.setWidthF(block_size_settings["selected_pen_width"])
self._title_brush = QBrush(QColor("#{}".format(block_colors['brush']['block_title'])))
self._bg_brush = QBrush(QColor("#{}".format(
block_colors['brush']['block_bg'] if bg_color is None else bg_color)))
# set title
self.__title = ""
self._init_title()
# init sockets
self._init_sockets()
# init content
self._init_content()
# init ui
self._init_ui()