class QNEMainWindow(QMainWindow):
def __init__(self, parent):
super(QNEMainWindow, self).__init__(parent)
quitAct = QAction("&Quit", self, shortcut="Ctrl+Q",
statusTip="Exit the application", triggered=self.close)
addAct = QAction("&Add", self, statusTip="Add a block", triggered=self.addBlock)
fileMenu = self.menuBar().addMenu("&File")
fileMenu.addAction(addAct)
fileMenu.addSeparator()
fileMenu.addAction(quitAct)
self.setWindowTitle("Node Editor")
self.scene = QGraphicsScene(self)
self.view = QGraphicsView(self)
self.view.setScene(self.scene)
self.view.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(self.view)
self.nodesEditor = QNodesEditor(self)
self.nodesEditor.install(self.scene)
block = QNEBlock(None)
self.scene.addItem(block)
block.addPort("test", 0, QNEPort.NamePort)
block.addPort("TestBlock", 0, QNEPort.TypePort)
block.addInputPort("in1");
block.addInputPort("in2");
block.addInputPort("in3");
block.addOutputPort("out1");
block.addOutputPort("out2");
block.addOutputPort("out3");
block = block.clone()
block.setPos(150,0)
block = block.clone()
block.setPos(150,150)
def addBlock(self):
import random
import math
block = QNEBlock(None)
self.scene.addItem(block)
names = ["Vin", "Voutsadfasdf", "Imin", "Imax", "mul", "add", "sub", "div", "Conv", "FFT"]
for i in range(0,math.floor(random.uniform(3,8))):
block.addPort(random.choice(names), random.random()>0.5)
block.setPos(self.view.sceneRect().center().toPoint())
class mainWindow(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.setWindowTitle("SimulationZ")
self.setMinimumSize(700,500)
self.workspaceLayout = QGridLayout()
self.workspace = QTabWidget()
self.workspace.setTabsClosable(True)
self.graphScene = QGraphicsScene()
self.sceneView = QGraphicsView()
self.sceneView.setScene(self.graphScene)
self.Editor = Editor(self.sceneView)
self.menuBar = menuBar.menuBar(self)
self.setMenuBar(self.menuBar)
self.mainArea = Layout.layout(self.Editor,self.sceneView)
self.setCentralWidget(self.mainArea)
self.toolBar = self.mainArea.childAt(1,0)
def exitFile(self):
if self.i==0:
userInfo =QMessageBox.question(self,self.language.Exit,self.language.RUSURE,QMessageBox.Yes | QMessageBox.No)
if userInfo == QMessageBox.Yes:
self.close()
else:
pass
else:
userInfo =QMessageBox.question(self,self.language.Exit,self.language.OTab,QMessageBox.Yes | QMessageBox.No)
if userInfo == QMessageBox.Yes:
self.close()
else:
pass
class QNEMainWindow(QMainWindow):
def __init__(self, parent):
super(QNEMainWindow, self).__init__(parent)
self.logger = logging.getLogger("zne")
self.logger.setLevel(logging.DEBUG)
self.setMinimumSize(560,360)
self.setWindowTitle("ZOCP Node Editor")
self.setWindowIcon(QIcon('assets/icon.png'))
self.scene = QGraphicsScene(self)
self.view = QGraphicsView(self)
self.view.setScene(self.scene)
self.setCentralWidget(self.view)
self.nodesEditor = QNodesEditor(self, self.scene, self.view)
self.nodesEditor.onAddConnection = self.onAddConnection
self.nodesEditor.onRemoveConnection = self.onRemoveConnection
self.nodesEditor.onBlockMoved = self.onBlockMoved
self.scale = 1
self.installActions()
self.initZOCP()
self.nodes = {}
self.pendingSubscribers = {}
QTimer.singleShot(250, lambda: self.scene.invalidate())
def closeEvent(self, *args):
self.zocp.stop()
def installActions(self):
quitAct = QAction("&Quit", self, shortcut="Ctrl+Q",
statusTip="Exit the application", triggered=self.close)
if zconfigmanager_found:
openAct = QAction("&Open...", self, shortcut="Ctrl+O",
statusTip="Restore the network from a saved description", triggered=self.readNetwork)
saveAct = QAction("&Save...", self, shortcut="Ctrl+S",
statusTip="Write a description of the network to disc", triggered=self.writeNetwork)
fileMenu = self.menuBar().addMenu("&File")
if zconfigmanager_found:
fileMenu.addAction(openAct)
fileMenu.addAction(saveAct)
fileMenu.addSeparator()
fileMenu.addAction(quitAct)
# for shortcuts
self.view.addAction(quitAct)
selectAllAct = QAction("Select &All", self, shortcut="Ctrl+A",
triggered=self.nodesEditor.selectAll)
selectNoneAct = QAction("Select &None", self, shortcut="Ctrl+D",
triggered=self.nodesEditor.selectNone)
selectInverseAct = QAction("Select &Inverse", self, shortcut="Ctrl+I",
triggered=self.nodesEditor.selectInverse)
deleteSelectedAct = QAction("&Delete Selected", self, shortcut="Del",
triggered=self.nodesEditor.deleteSelected)
editMenu = self.menuBar().addMenu("&Edit")
editMenu.addAction(selectAllAct)
editMenu.addAction(selectNoneAct)
editMenu.addAction(selectInverseAct)
editMenu.addSeparator()
editMenu.addAction(deleteSelectedAct)
self.view.addAction(selectAllAct)
self.view.addAction(selectNoneAct)
self.view.addAction(selectInverseAct)
self.view.addAction(deleteSelectedAct)
zoomInAct = QAction("Zoom &In", self, shortcut="Ctrl++",
triggered=self.zoomIn)
zoomOutAct = QAction("Zoom &Out", self, shortcut="Ctrl+-",
triggered=self.zoomOut)
zoomResetAct = QAction("&Reset Zoom", self, shortcut="Ctrl+0",
triggered=self.zoomReset)
viewMenu = self.menuBar().addMenu("&View")
viewMenu.addAction(zoomInAct)
viewMenu.addAction(zoomOutAct)
viewMenu.addSeparator()
viewMenu.addAction(zoomResetAct)
self.view.addAction(zoomInAct)
self.view.addAction(zoomOutAct)
self.view.addAction(zoomResetAct)
aboutAct = QAction("&About", self,
triggered=self.about)
helpMenu = self.menuBar().addMenu("&Help")
helpMenu.addAction(aboutAct)
self.view.addAction(aboutAct)
def writeNetwork(self):
fileName, filter = QFileDialog.getSaveFileName(self,
caption="Save as",
filter="ZOCP (*.zocp);;JSON (*.json)",
selectedFilter="ZOCP (*.zocp)")
if fileName:
# setup ZOCP node, and run it for some time to discover
# the current network
configManager = ZConfigManagerNode("ConfigManager@%s" % socket.gethostname())
configManager.discover(0.5)
# write network description to file
configManager.write(fileName)
# shut down ZOCP node
configManager.stop()
configManager = None
def readNetwork(self):
fileName, filter = QFileDialog.getOpenFileName(self,
caption="Open",
filter="All files (*.*);;ZOCP (*.zocp);;JSON (*.json)",
selectedFilter="ZOCP (*.zocp)")
if fileName:
# setup ZOCP node, and run it for some time to discover
# the current network
configManager = ZConfigManagerNode("ConfigManager@%s" % socket.gethostname())
configManager.discover(0.5)
# write network description to file
configManager.read(fileName)
# shut down ZOCP node
configManager.stop()
configManager = None
def zoomIn(self):
if self.scale < 4:
self.scale *= 1.2
self.view.scale(1.2, 1.2)
def zoomOut(self):
if self.scale > 0.1:
self.scale /= 1.2
self.view.scale(1/1.2, 1/1.2)
def zoomReset(self):
self.scale = 1
self.view.setTransform(QTransform())
def about(self):
QMessageBox.about(self, "About ZOCP Node Editor",
"<p>A monitor/editor for ZOCP nodes, implemented in PySide"
"(Python/Qt4).</p><p>ZOCP is the Z25 Orchestration Control "
"Protocol, currently in development at "
"<a href='http://z25.org'>z25.org</a></p>")
#########################################
# Node editor callbacks
#########################################
def onAddConnection(self, connection, fromPort, toPort):
fromBlock = fromPort.block()
toBlock = toPort.block()
emitter = fromPort.portName()
emit_peer = fromBlock.uuid()
receiver = toPort.portName()
recv_peer = toBlock.uuid()
self.zocp.signal_subscribe(recv_peer, receiver, emit_peer, emitter)
self.logger.debug("added subscription from %s on %s to %s on %s" %
(receiver, fromBlock.name(), emitter, toBlock.name()))
def onRemoveConnection(self, connection, fromPort, toPort):
fromBlock = fromPort.block()
toBlock = toPort.block()
emitter = fromPort.portName()
emit_peer = fromBlock.uuid()
receiver = toPort.portName()
recv_peer = toBlock.uuid()
self.zocp.signal_unsubscribe(recv_peer, receiver, emit_peer, emitter)
self.logger.debug("removed subscription from %s on %s to %s on %s" %
(receiver, fromBlock.name(), emitter, toBlock.name()))
def onBlockMoved(self, block):
pos = block.pos()
peer = block.uuid()
self.zocp.peer_set(peer, {"_zne_position": [pos.x(), pos.y()]})
def onChangeValue(self, block, port, value):
self.logger.debug("block %s port %s changed to %s" % (block.name(), port.portName(), value))
peer = block.uuid()
portName = port.portName()
capability = self.zocp.peers_capabilities[peer][portName]
typeHint = capability["typeHint"]
validValue = True
if typeHint == "int":
try:
value = int(float(value))
except:
validValue = False
elif typeHint == "flt":
try:
value = float(value.strip())
except:
validValue = False
elif typeHint == "percent":
try:
value = float(value.strip())
except:
validValue = False
elif typeHint == "bool":
value = (value.strip().lower() in ["true", "yes", "1"])
elif typeHint == "string":
pass
elif typeHint.startswith("vec" ) and typeHint.endswith("f") and len(typeHint) == 5:
try:
value = [float(num) for num in ((value.strip())[1:-1]).split(",")]
except:
validValue = False
if validValue:
if len(value) != int(typeHint[3]):
validValue = False
if validValue:
self.zocp.peer_set(peer, {portName: {"value": value}})
port.setValue(str(value))
else:
port.setValue(str(capability["value"]))
#########################################
# ZOCP implementation
#########################################
def initZOCP(self):
self.zocp = ZOCP("ZOCP Node Editor@%s" % socket.gethostname())
self.notifier = QSocketNotifier(
self.zocp.inbox.getsockopt(zmq.FD),
QSocketNotifier.Read)
self.notifier.setEnabled(True)
self.notifier.activated.connect(self.onZOCPEvent)
self.zocp.on_peer_enter = self.onPeerEnter
self.zocp.on_peer_exit = self.onPeerExit
self.zocp.on_peer_modified = self.onPeerModified
self.zocp.on_peer_signaled = self.onPeerSignaled
self.zocp.start()
zl = logging.getLogger("zocp")
zl.setLevel(logging.INFO)
def onZOCPEvent(self):
self.zocp.run_once(0)
def onPeerEnter(self, peer, name, *args, **kwargs):
# Subscribe to any and all value changes
self.zocp.signal_subscribe(self.zocp.uuid(), None, peer, None)
# Add named block; ports are not known at this point
block = QNEBlock(None)
self.scene.addItem(block)
block.setNodeEditor(self)
block.setName(name)
block.setUuid(peer)
block.addPort(name, False, False, QNEPort.NamePort)
block.setVisible(False)
node = {}
node["block"] = block
node["ports"] = dict()
self.nodes[peer.hex] = node
def onPeerExit(self, peer, name, *args, **kwargs):
# Unsubscribe from value changes
self.zocp.signal_unsubscribe(self.zocp.uuid(), None, peer, None)
# Remove block
if peer.hex in self.nodes:
self.nodes[peer.hex]["block"].delete()
self.nodes.pop(peer.hex)
def onPeerModified(self, peer, name, data, *args, **kwargs):
for portname in data:
portdata = data[portname]
if portname not in self.nodes[peer.hex]["ports"]:
if "access" in portdata:
hasInput = "s" in portdata["access"]
hasOutput = "e" in portdata["access"]
port = self.nodes[peer.hex]["block"].addPort(portname, hasInput, hasOutput)
port.setValue(str(portdata["value"]))
port.setAccess(str(portdata["access"]))
self.nodes[peer.hex]["ports"][portname] = port
else:
# Metadata, not a capability
if portname == "_zne_position":
block = self.nodes[peer.hex]["block"]
block.setPos(portdata[0], portdata[1])
else:
port = self.nodes[peer.hex]["ports"][portname]
if "value" in portdata:
port.setValue(str(portdata["value"]))
if "access" in portdata:
port.setAccess(str(portdata["access"]))
if "subscribers" in portdata:
self.updateSubscribers(port, portdata["subscribers"])
if len(self.nodes[peer.hex]["ports"]) > 0:
self.nodes[peer.hex]["block"].setVisible(True)
self.updatePendingSubscribers(peer)
def onPeerSignaled(self, peer, name, data, *args, **kwargs):
[portname, value] = data
if portname in self.nodes[peer.hex]["ports"]:
self.nodes[peer.hex]["ports"][portname].setValue(str(value))
def updateSubscribers(self, port, subscribers):
port1 = port.outputPort
# check if any current connections should be removed
connections = port.connections()
for connection in connections:
if(connection.port1() == port1):
port2 = connection.port2()
else:
port2 = connection.port1()
if not port2.isOutput():
subscriber = [port2.block().uuid().hex, port2.portName()]
if subscriber not in subscribers:
connection.delete()
self.logger.debug("peer removed subscription from %s on %s to %s on %s" %
(port1.portName(), port1.block().name(), port2.portName(), port2.block().name()))
# add new connections for new subscriptions
for subscriber in subscribers:
[uuid, portname] = subscriber
if uuid in self.nodes:
node = self.nodes[uuid]
if portname in node["ports"]:
port2 = node["ports"][portname]
if not port2.isConnected(port1):
# create new connection
connection = QNEConnection(None)
connection.setPort1(port1)
connection.setPort2(port2)
connection.updatePosFromPorts()
connection.updatePath()
self.scene.addItem(connection)
self.logger.debug("peer added subscription from %s on %s to %s on %s" %
(port1.portName(), port1.block().name(), port2.portName(), port2.block().name()))
continue
# if the connection could not be made yet, add it to a list of
# pending subscriber-connections
if uuid not in self.pendingSubscribers:
self.pendingSubscribers[uuid] = []
self.pendingSubscribers[uuid].append([port1, portname])
def updatePendingSubscribers(self, peer):
if peer.hex in self.pendingSubscribers:
for subscriber in self.pendingSubscribers[peer.hex]:
[port1, portname] = subscriber
if peer.hex in self.nodes and portname in self.nodes[peer.hex]["ports"]:
port2 = self.nodes[peer.hex]["ports"][portname]
connection = QNEConnection(None)
connection.setPort1(port1)
connection.setPort2(port2)
connection.updatePosFromPorts()
connection.updatePath()
self.scene.addItem(connection)
else:
# TODO: handle case where port is still not available
pass
self.pendingSubscribers.pop(peer.hex)
class SkyPython(QMainWindow):
'''
The central widget and heart of the application.
Performs all of the initialization of components
and contains updates and event handling.
'''
class RendererModelUpdateClosure():
'''
A runnable class that updates the state of the
model after a change has occurred. Is placed
on the event queue.
'''
def run(self):
pointing = self.model.get_pointing()
direction_x = pointing.gc_line_of_sight.x
direction_y = pointing.gc_line_of_sight.y
direction_z = pointing.gc_line_of_sight.z
up_x = pointing.gc_perpendicular.x
up_y = pointing.gc_perpendicular.y
up_z = pointing.gc_perpendicular.z
self.renderer_controller.queue_set_view_orientation(direction_x, direction_y, direction_z, \
up_x, up_y, up_z)
acceleration = self.model.acceleration
self.renderer_controller.queue_text_angle(math.atan2(-acceleration.x, -acceleration.y))
self.renderer_controller.queue_viewer_up_direction(self.model.get_zenith().copy())
field_of_view = self.model.field_of_view
self.renderer_controller.queue_field_of_view(field_of_view)
def __init__(self, m_model, controller):
'''
constructor
'''
self.model = m_model
self.renderer_controller = controller
layer_manager = None
model = None
controller = None
sky_renderer = None
renderer_controller = None
def pref_change(self, prefs, manager, layers, event):
'''
If a preference button has been pressed, change
the preferences according to the selection..
'''
for layer in layers:
prefs.PREFERENCES[layer] = not prefs.PREFERENCES[layer]
manager.on_shared_preference_change(prefs, layer)
return True
def eventFilter(self, source, event):
'''
Check if the event is a button press in the UI, if not
then check if it was a mouse or key press in DRZ_detector.
'''
pref_pressed = self.pref_buttons.checkForButtonPress(source, event)
zoom_pressed = self.zoom_button.checkForButtonPress(source, event, self.controller)
if pref_pressed or zoom_pressed:
self.show_menus_func()
if pref_pressed:
self.pref_change(self.shared_prefs, self.layer_manager,
pref_pressed, event)
else:
update = self.DRZ_detector.on_motion_event(event)
if pref_pressed or zoom_pressed or update:
self.update_rendering()
return True
return QMainWindow.eventFilter(self, source, event)
def initialize_model_view_controller(self):
'''
Set up the graphics view/scene and set the GLWidget.
Also sets up the the model and the controller for the model.
'''
self.model = AstronomerModel(ZMDC())
# There is no onResume in python so start the controller group here
self.controller = create_controller_group(self.shared_prefs)
self.controller.set_model(self.model)
self.controller.start()
self.layer_manager = instantiate_layer_manager(self.model, self.shared_prefs)
self.view = QGraphicsView()
self.scene = QGraphicsScene()
if self.DEBUG_MODE != None:
self.sky_renderer = SkyRenderer(self.DEBUG_MODE)
else:
self.sky_renderer = SkyRenderer()
self.sky_renderer.setAutoFillBackground(False)
# set up the view with the glwidget inside
self.view.setViewport(self.sky_renderer)
self.view.setScene(self.scene)
self.setCentralWidget(self.view)
self.renderer_controller = RendererController(self.sky_renderer, None)
self.renderer_controller.add_update_closure(\
self.RendererModelUpdateClosure(self.model, self.renderer_controller))
self.layer_manager.register_with_renderer(self.renderer_controller)
self.wire_up_screen_controls()
# NOTE: THIS BOOLEAN WILL NEED TO BE REMOVED EVENTUALLY
self.magnetic_switcher = MDCS(self.model, self.USE_AUTO_MODE)
self.run_queue()
def wire_up_screen_controls(self):
'''
Set up all of the screen controls, so that the user can zoom in/out
and select which layers they wish to view.
'''
screen_width = self.sky_renderer.render_state.screen_width
screen_height = self.sky_renderer.render_state.screen_height
self.pref_buttons = PreferencesButton(self.view)
self.zoom_button = ZoomButton(self.view)
position_y = ((screen_height - 336) / 2) + 1
self.pref_buttons.setGeometry(QtCore.QRect(1, position_y, 55, 336))
position_x = ((screen_width - 221) / 2) + 1
position_y = ((screen_height - 31) * 9/10) + 1
self.zoom_button.setGeometry(QtCore.QRect(position_x, position_y, 221, 31))
self.pref_buttons_fader = WidgetFader(self.pref_buttons, 2500)
self.zoom_button_fader = WidgetFader(self.zoom_button, 2500)
self.map_mover = MapMover(self.model, self.controller, self.shared_prefs,
screen_height)
self.DRZ_detector = DRZDetector(self.map_mover, self.show_menus_func)
def show_menus_func(self):
self.pref_buttons_fader.make_active()
self.zoom_button_fader.make_active()
def update_rendering(self):
'''
re-render the sky and run updates
'''
self.sky_renderer.updateGL()
self.run_queue()
self.sky_renderer.updateGL()
def run_queue(self):
'''
In the absence of another thread doing updates,
force the updates by running all the runnables on the queue
'''
num = len(list(self.renderer_controller.queuer.queue))
while num > 0:
runnable = self.renderer_controller.queuer.get()
runnable.run()
self.renderer_controller.queuer.task_done()
num -= 1
def __init__(self, debug_index=None):
'''
Set up all state and control that the application requires.
'''
QMainWindow.__init__(self)
self.setAttribute(QtCore.Qt.WA_AcceptTouchEvents)
self.DEBUG_MODE = debug_index
self.USE_AUTO_MODE = False
self.shared_prefs = SharedPreferences()
self.initialize_model_view_controller()
self.controller.set_auto_mode(self.USE_AUTO_MODE)
# put the window at the screen position (100, 30)
# with size 480 by 800
self.setGeometry(100, 30, 480, 800)
self.show()
# every 5 seconds re-render the sky and run updates
self.update_rendering()
self.timer = QtCore.QTimer(self)
self.timer.timeout.connect(self.update_rendering)
self.timer.setInterval(5000)
self.timer.start()
class QNEMainWindow(QMainWindow):
def __init__(self, parent):
super(QNEMainWindow, self).__init__(parent)
quitAct = QAction("&Quit",
self,
shortcut="Ctrl+Q",
statusTip="Exit the application",
triggered=self.close)
addAct = QAction("&Add",
self,
statusTip="Add a block",
triggered=self.addBlock)
fileMenu = self.menuBar().addMenu("&File")
fileMenu.addAction(addAct)
fileMenu.addSeparator()
fileMenu.addAction(quitAct)
self.setWindowTitle("Node Editor")
self.scene = QGraphicsScene(self)
self.view = QGraphicsView(self)
self.view.setScene(self.scene)
self.view.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(self.view)
self.nodesEditor = QNodesEditor(self)
self.nodesEditor.install(self.scene)
block = QNEBlock(None)
self.scene.addItem(block)
block.addPort("test", 0, QNEPort.NamePort)
block.addPort("TestBlock", 0, QNEPort.TypePort)
block.addInputPort("in1")
block.addInputPort("in2")
block.addInputPort("in3")
block.addOutputPort("out1")
block.addOutputPort("out2")
block.addOutputPort("out3")
block = block.clone()
block.setPos(150, 0)
block = block.clone()
block.setPos(150, 150)
def addBlock(self):
import random
import math
block = QNEBlock(None)
self.scene.addItem(block)
names = [
"Vin", "Voutsadfasdf", "Imin", "Imax", "mul", "add", "sub", "div",
"Conv", "FFT"
]
for i in range(0, math.floor(random.uniform(3, 8))):
block.addPort(random.choice(names), random.random() > 0.5)
block.setPos(self.view.sceneRect().center().toPoint())
class QNEMainWindow(QMainWindow):
def __init__(self, parent):
super(QNEMainWindow, self).__init__(parent)
self.logger = logging.getLogger("zne")
self.logger.setLevel(logging.DEBUG)
self.setMinimumSize(560, 360)
self.setWindowTitle("ZOCP Node Editor")
self.setWindowIcon(QIcon('assets/icon.png'))
self.scene = QGraphicsScene(self)
self.view = QGraphicsView(self)
self.view.setScene(self.scene)
self.setCentralWidget(self.view)
self.nodesEditor = QNodesEditor(self, self.scene, self.view)
self.nodesEditor.onAddConnection = self.onAddConnection
self.nodesEditor.onRemoveConnection = self.onRemoveConnection
self.nodesEditor.onBlockMoved = self.onBlockMoved
self.scale = 1
self.installActions()
self.initZOCP()
self.nodes = {}
self.pendingSubscribers = {}
QTimer.singleShot(250, lambda: self.scene.invalidate())
def closeEvent(self, *args):
self.zocp.stop()
def installActions(self):
quitAct = QAction("&Quit",
self,
shortcut="Ctrl+Q",
statusTip="Exit the application",
triggered=self.close)
fileMenu = self.menuBar().addMenu("&File")
fileMenu.addAction(quitAct)
# for shortcuts
self.view.addAction(quitAct)
selectAllAct = QAction("Select &All",
self,
shortcut="Ctrl+A",
triggered=self.nodesEditor.selectAll)
selectNoneAct = QAction("Select &None",
self,
shortcut="Ctrl+D",
triggered=self.nodesEditor.selectNone)
selectInverseAct = QAction("Select &Inverse",
self,
shortcut="Ctrl+I",
triggered=self.nodesEditor.selectInverse)
deleteSelectedAct = QAction("&Delete Selected",
self,
shortcut="Del",
triggered=self.nodesEditor.deleteSelected)
editMenu = self.menuBar().addMenu("&Edit")
editMenu.addAction(selectAllAct)
editMenu.addAction(selectNoneAct)
editMenu.addAction(selectInverseAct)
editMenu.addSeparator()
editMenu.addAction(deleteSelectedAct)
self.view.addAction(selectAllAct)
self.view.addAction(selectNoneAct)
self.view.addAction(selectInverseAct)
self.view.addAction(deleteSelectedAct)
zoomInAct = QAction("Zoom &In",
self,
shortcut="Ctrl++",
triggered=self.zoomIn)
zoomOutAct = QAction("Zoom &Out",
self,
shortcut="Ctrl+-",
triggered=self.zoomOut)
zoomResetAct = QAction("&Reset Zoom",
self,
shortcut="Ctrl+0",
triggered=self.zoomReset)
viewMenu = self.menuBar().addMenu("&View")
viewMenu.addAction(zoomInAct)
viewMenu.addAction(zoomOutAct)
viewMenu.addSeparator()
viewMenu.addAction(zoomResetAct)
self.view.addAction(zoomInAct)
self.view.addAction(zoomOutAct)
self.view.addAction(zoomResetAct)
aboutAct = QAction("&About", self, triggered=self.about)
helpMenu = self.menuBar().addMenu("&Help")
helpMenu.addAction(aboutAct)
self.view.addAction(aboutAct)
def zoomIn(self):
if self.scale < 4:
self.scale *= 1.2
self.view.scale(1.2, 1.2)
def zoomOut(self):
if self.scale > 0.1:
self.scale /= 1.2
self.view.scale(1 / 1.2, 1 / 1.2)
def zoomReset(self):
self.scale = 1
self.view.setTransform(QTransform())
def about(self):
QMessageBox.about(
self, "About ZOCP Node Editor",
"<p>A monitor/editor for ZOCP nodes, implemented in PySide"
"(Python/Qt4).</p><p>ZOCP is the Z25 Orchestration Control "
"Protocol, currently in development at "
"<a href='http://z25.org'>z25.org</a></p>")
#########################################
# Node editor callbacks
#########################################
def onAddConnection(self, connection, fromPort, toPort):
fromBlock = fromPort.block()
toBlock = toPort.block()
emitter = toPort.portName()
emit_peer = toBlock.uuid()
receiver = fromPort.portName()
recv_peer = fromBlock.uuid()
self.zocp.signal_subscribe(recv_peer, receiver, emit_peer, emitter)
self.logger.debug(
"added subscription from %s on %s to %s on %s" %
(receiver, fromBlock.name(), emitter, toBlock.name()))
def onRemoveConnection(self, connection, fromPort, toPort):
fromBlock = fromPort.block()
toBlock = toPort.block()
emitter = toPort.portName()
emit_peer = toBlock.uuid()
receiver = fromPort.portName()
recv_peer = fromBlock.uuid()
self.zocp.signal_unsubscribe(recv_peer, receiver, emit_peer, emitter)
self.logger.debug(
"removed subscription from %s on %s to %s on %s" %
(receiver, fromBlock.name(), emitter, toBlock.name()))
def onBlockMoved(self, block):
pos = block.pos()
peer = block.uuid()
self.zocp.peer_set(peer, {"_zne_position": [pos.x(), pos.y()]})
def onChangeValue(self, block, port, value):
self.logger.debug("block %s port %s changed to %s" %
(block.name(), port.portName(), value))
peer = block.uuid()
portName = port.portName()
capability = self.zocp.peers_capabilities[peer][portName]
typeHint = capability["typeHint"]
validValue = True
if typeHint == "int":
try:
value = int(float(value))
except:
validValue = False
elif typeHint == "flt":
try:
value = float(value.strip())
except:
validValue = False
elif typeHint == "percent":
try:
value = float(value.strip())
except:
validValue = False
elif typeHint == "bool":
value = (value.strip() in ["true", "yes", "1"])
elif typeHint == "string":
pass
elif typeHint == "vec2f" or typeHint == "vec3f" or typeHint == "vec4f":
try:
value = [
float(num) for num in ((value.strip())[1:-1]).split(",")
]
except:
validValue = False
if validValue:
if len(value) != int(typeHint[3]):
validValue = False
if validValue:
self.zocp.peer_set(peer, {portName: {"value": value}})
port.setValue(str(value))
else:
port.setValue(str(capability["value"]))
#########################################
# ZOCP implementation
#########################################
def initZOCP(self):
self.zocp = ZOCP()
self.zocp.set_name("ZOCP Node Editor@%s" % socket.gethostname())
self.notifier = QSocketNotifier(self.zocp.inbox.getsockopt(zmq.FD),
QSocketNotifier.Read)
self.notifier.setEnabled(True)
self.notifier.activated.connect(self.onZOCPEvent)
self.zocp.on_peer_enter = self.onPeerEnter
self.zocp.on_peer_exit = self.onPeerExit
self.zocp.on_peer_modified = self.onPeerModified
self.zocp.on_peer_signaled = self.onPeerSignaled
self.zocp.start()
zl = logging.getLogger("zocp")
zl.setLevel(logging.INFO)
def onZOCPEvent(self):
self.zocp.run_once(0)
def onPeerEnter(self, peer, name, *args, **kwargs):
# Subscribe to any and all value changes
self.zocp.signal_subscribe(self.zocp.get_uuid(), None, peer, None)
# Add named block; ports are not known at this point
block = QNEBlock(None)
self.scene.addItem(block)
block.setNodeEditor(self)
block.setName(name)
block.setUuid(peer)
block.addPort(name, False, False, QNEPort.NamePort)
block.setVisible(False)
node = {}
node["block"] = block
node["ports"] = dict()
self.nodes[peer.hex] = node
def onPeerExit(self, peer, name, *args, **kwargs):
# Unsubscribe from value changes
self.zocp.signal_unsubscribe(self.zocp.get_uuid(), None, peer, None)
# Remove block
if peer.hex in self.nodes:
self.nodes[peer.hex]["block"].delete()
self.nodes.pop(peer.hex)
def onPeerModified(self, peer, name, data, *args, **kwargs):
for portname in data:
portdata = data[portname]
if portname not in self.nodes[peer.hex]["ports"]:
if "access" in portdata:
hasInput = "s" in portdata["access"]
hasOutput = "e" in portdata["access"]
port = self.nodes[peer.hex]["block"].addPort(
portname, hasInput, hasOutput)
port.setValue(str(portdata["value"]))
self.nodes[peer.hex]["ports"][portname] = port
else:
# Metadata, not a capability
if portname == "_zne_position":
block = self.nodes[peer.hex]["block"]
block.setPos(portdata[0], portdata[1])
else:
port = self.nodes[peer.hex]["ports"][portname]
if "value" in portdata:
port.setValue(str(portdata["value"]))
if "subscribers" in portdata:
self.updateSubscribers(port, portdata["subscribers"])
if len(self.nodes[peer.hex]["ports"]) > 0:
self.nodes[peer.hex]["block"].setVisible(True)
self.updatePendingSubscribers(peer)
def onPeerSignaled(self, peer, name, data, *args, **kwargs):
[portname, value] = data
if portname in self.nodes[peer.hex]["ports"]:
self.nodes[peer.hex]["ports"][portname].setValue(str(value))
def updateSubscribers(self, port, subscribers):
port1 = port.outputPort
# check if any current connections should be removed
connections = port.connections()
for connection in connections:
if (connection.port1() == port1):
port2 = connection.port2()
else:
port2 = connection.port1()
if not port2.isOutput():
subscriber = [port2.block().uuid().hex, port2.portName()]
if subscriber not in subscribers:
connection.delete()
self.logger.debug(
"peer removed subscription from %s on %s to %s on %s" %
(port1.portName(), port1.block().name(),
port2.portName(), port2.block().name()))
# add new connections for new subscriptions
for subscriber in subscribers:
[uuid, portname] = subscriber
if uuid in self.nodes:
node = self.nodes[uuid]
if portname in node["ports"]:
port2 = node["ports"][portname]
if not port2.isConnected(port1):
# create new connection
connection = QNEConnection(None)
connection.setPort1(port1)
connection.setPort2(port2)
connection.updatePosFromPorts()
connection.updatePath()
self.scene.addItem(connection)
self.logger.debug(
"peer added subscription from %s on %s to %s on %s"
% (port1.portName(), port1.block().name(),
port2.portName(), port2.block().name()))
continue
# if the connection could not be made yet, add it to a list of
# pending subscriber-connections
if uuid not in self.pendingSubscribers:
self.pendingSubscribers[uuid] = []
self.pendingSubscribers[uuid].append([port1, portname])
def updatePendingSubscribers(self, peer):
if peer.hex in self.pendingSubscribers:
for subscriber in self.pendingSubscribers[peer.hex]:
[port1, portname] = subscriber
if peer.hex in self.nodes and portname in self.nodes[
peer.hex]["ports"]:
port2 = self.nodes[peer.hex]["ports"][portname]
connection = QNEConnection(None)
connection.setPort1(port1)
connection.setPort2(port2)
connection.updatePosFromPorts()
connection.updatePath()
self.scene.addItem(connection)
else:
# TODO: handle case where port is still not available
pass
self.pendingSubscribers.pop(peer.hex)
class PostViewWidget(HorsePanel):
def __init__(self, parent, order_overview_widget, find_order_slot):
global configuration
super(PostViewWidget, self).__init__(parent)
self.set_panel_title(_("Post overview"))
self.bold_font = QFont(self.font())
self.bold_font.setBold(True)
self.nb_cols = 8 # Number of columns in the operation definition table
self.order_overview_widget = order_overview_widget
self.button = QPushButton(_("Refresh"), self)
self.button.clicked.connect(self.refresh_action)
self.sort_by_deadline_button = QRadioButton(_("By deadline"), self)
self.sort_by_deadline_button.toggled.connect(self.sort_by_deadline)
self.sort_by_size_button = QRadioButton(_("By hours left to do"), self)
self.sort_by_size_button.toggled.connect(self.sort_by_size)
# hlayout = QHBoxLayout()
# hlayout.setObjectName("halyout")
# hlayout.setContentsMargins(0,0,0,0)
# hlayout.addWidget(self.sort_by_deadline_button)
# hlayout.addWidget(self.sort_by_size_button)
# hlayout.addWidget(self.button)
# hlayout.addStretch()
self.navbar = NavBar(self, [(self.sort_by_deadline_button, None),
(self.sort_by_size_button, None),
(self.button, None),
(_("Find"), find_order_slot)])
self.navbar.buttons[3].setObjectName("specialMenuButton")
self.vlayout = QVBoxLayout(self)
self.vlayout.setObjectName("Vlayout")
self.vlayout.addWidget(
TitleWidget(_("Posts Overview"), self, self.navbar))
self._table_model = QStandardItemModel(1, self.nb_cols, self)
self.table_view = QTableView(None)
self.table_view.setModel(self._table_model)
self.table_view.selectionModel().currentChanged.connect(
self.operation_selected)
self.table_view.verticalHeader().hide()
self.table_view.horizontalHeader().hide()
self.table_view.setEditTriggers(QAbstractItemView.NoEditTriggers)
self.table_view.setSelectionBehavior(QAbstractItemView.SelectRows)
# This forces Qt to expand layout once I fill data in
# FIXME dirty but I really don't get why setting
# the mini width to something smaller (that happens at
# startup, on first refresh) doesn't work
self.table_view.setMinimumWidth(1)
self.table_view.setMaximumWidth(1)
self.post_view_scene = PostViewScene(self, order_overview_widget)
self.post_view_scene_view = QGraphicsView(self)
self.post_view_scene_view.setScene(self.post_view_scene)
self.post_view_scene_view.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.splitter = QSplitter(Qt.Horizontal)
self.splitter.addWidget(
SubFrame(_("Posts"), self.table_view, self.splitter))
self.splitter.addWidget(
SubFrame(_("Workload"), self.post_view_scene_view, self.splitter))
# self.splitter.setStretchFactor(0,1)
self.splitter.setStretchFactor(1, 1)
self.vlayout.addWidget(self.splitter)
# hlayout = QHBoxLayout()
# hlayout.addWidget(SubFrame(_("Posts"),self.table_view,self))
# hlayout.addWidget(SubFrame(_("Workload"),self.post_view_scene_view,self))
# hlayout.setStretch(1,1)
# self.vlayout.addLayout(hlayout)
self.vlayout.setStretch(0, 0)
self.vlayout.setStretch(1, 1)
self.setLayout(self.vlayout)
self.timer = QTimer(self)
self.timer.timeout.connect(self.slidePostsScene)
self.current_view_y = 0
def _data_load(self):
global dao
all_operations = dao.operation_dao.load_all_operations_ready_for_production(
)
operation_definitions = dao.operation_definition_dao.all_direct_frozen(
)
return operation_definitions, all_operations
def _reset_operation_definitions(self, operations):
self._table_model.setColumnCount(1)
self._table_model.setRowCount(len(operations))
# BUG This should be refreshed on reload() too
row = col = 0
first_active = None
for opdef in operations:
if opdef.operation_definition_id in self.post_view_scene.drawn_operations_data:
# currently total planned time
t = self.post_view_scene.drawn_operations_data[
opdef.operation_definition_id]
ndx = self._table_model.index(row, col)
if not first_active:
first_active = ndx
self._table_model.setData(
ndx, u"{} {}".format(opdef.description, t), Qt.DisplayRole)
# self._table_model.setData(ndx,self.bold_font,Qt.FontRole)
self._table_model.setData(self._table_model.index(row, col),
opdef.operation_definition_id,
Qt.UserRole)
row += 1
else:
pass
# self._table_model.setData(self._table_model.index(row,col),opdef.description,Qt.DisplayRole)
# = col + 1
# if col == self.nb_cols:
# col = 0
# row += 1
self._table_model.setRowCount(row)
# self.table_view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
# self.vlayout.setStretch(0,0)
# self.vlayout.setStretch(1,10)
# self.vlayout.setStretch(2,10000)
# height = 0
# for c in range(self.table_view.model().rowCount()):
# height += self.table_view.rowHeight(c) + 1 # +1 for cell border
# self.table_view.setMinimumHeight(height)
# self.table_view.setMaximumHeight(height)
for i in range(self.nb_cols):
self.table_view.resizeColumnToContents(i)
self.table_view.setMaximumWidth(self.table_view.columnWidth(0))
self.table_view.setMinimumWidth(self.table_view.columnWidth(0))
self.table_view.setSizePolicy(QSizePolicy.Maximum,
QSizePolicy.Preferred)
self.table_view.update()
self.splitter.update()
return first_active
def slide_to_operation(self, opdef_id):
if opdef_id in self.post_view_scene.posts_offsets:
self.slide_target_opdef_id = opdef_id
# mainlog.debug("Target y = {}".format(self.post_view_scene.posts_offsets[self.slide_target_opdef]))
self.timer.start(20)
@Slot()
def slidePostsScene(self):
if self.slide_target_opdef_id is None:
return
# self.post_view_scene_view
self.post_view_scene.set_cursor_on(
self.slide_target_opdef_id
) # This done here also aviod some screen trashing
v = self.post_view_scene_view.verticalScrollBar().value()
# mainlog.debug( "slidePostsScene : {}".format(v))
r = self.post_view_scene.posts_offsets[self.slide_target_opdef_id]
target_y = r.y() + r.height() / 2
delta = (target_y - self.current_view_y) * 0.4
self.current_view_y = self.current_view_y + delta
self.post_view_scene_view.centerOn(0, self.current_view_y)
# mainlog.debug( "slidePostsScene : {} / {}".format(target_y, self.current_view_y))
if self.post_view_scene_view.verticalScrollBar().value() == v:
# Close enough => stop moving
# FIXME not correct because we must stop when the view stops moving, not when the goal we set for centerOn is reached
self.timer.stop()
@Slot(QModelIndex, QModelIndex)
def operation_selected(self, ndx_cur, ndx_old):
if ndx_cur.isValid():
opdef = self._table_model.data(ndx_cur, Qt.UserRole)
if opdef:
self.slide_to_operation(
self._table_model.data(ndx_cur, Qt.UserRole))
@Slot()
def refresh_action(self):
# FIXME reload operations as well
operation_definitions, all_operations = self._data_load()
# mainlog.debug("reload")
if self.sort_by_deadline_button.isChecked():
self.post_view_scene.reload(self, operation_definitions,
all_operations, 1)
elif self.sort_by_size_button.isChecked():
self.post_view_scene.reload(self, operation_definitions,
all_operations, 2)
else:
self.post_view_scene.reload(self, operation_definitions,
all_operations, 0)
# mainlog.debug("reset")
first_active = self._reset_operation_definitions(operation_definitions)
# self.table_view.selectionModel().currentChanged.connect(self.operation_selected)
if first_active:
self.table_view.setCurrentIndex(first_active)
# mainlog.debug("done reset")
@Slot(bool)
def sort_by_deadline(self, checked):
if checked:
self.refresh_action()
@Slot(bool)
def sort_by_size(self, checked):
if checked:
self.refresh_action()
order_part_double_clicked = Signal(int)
# Callback that will be called by HooverBar
def set_on_order_part(self, order_part_id):
self.order_part_double_clicked.emit(order_part_id)
class UVViewer(QDialog):
def __init__(self, model, w, h, parent=None):
super(UVViewer, self).__init__(parent)
self.w = w
self.h = h
self.mdl = model
self.white_b = QBrush(Qt.white)
self.black_b = QBrush(Qt.black)
self.pen_width = 2
self.initUI()
def initUI(self):
mainlay = QVBoxLayout()
scn = QGraphicsScene(0, 0, self.w, self.h)
self.view = QGraphicsView()
self.view.setScene(scn)
self.view.setSceneRect(QRectF(0, 0, self.w, self.h))
self.view.setMaximumWidth(self.w)
self.view.setMaximumHeight(self.h)
mainlay.addWidget(self.view)
btns = QHBoxLayout()
btns.addStretch()
self.pen_w = QSpinBox()
self.pen_w.setValue(self.pen_width)
redraw = QPushButton('Redraw')
redraw.clicked.connect(self.draw_uvs)
save = QPushButton('Save')
save.clicked.connect(self.save)
close = QPushButton('Close')
close.clicked.connect(self.close)
btns.addWidget(QLabel('Stroke Width'))
btns.addWidget(self.pen_w)
btns.addWidget(redraw)
btns.addWidget(save)
btns.addWidget(close)
mainlay.addLayout(btns)
self.draw_uvs()
self.setLayout(mainlay)
self.setGeometry(340, 340, 512, 560)
self.setWindowTitle('MSH Suite UV Viewer')
self.show()
def draw_uvs(self):
self.img = QPixmap(QSize(self.w, self.h))
pen = QPen()
pen.setWidth(int(self.pen_w.text()))
pen.setBrush(QBrush(Qt.white))
pen.setColor(QColor('white'))
painter = QPainter()
painter.begin(self.img)
painter.setPen(pen)
coords = self.get_coords()
for face in coords:
for n in xrange(len(face) - 1):
print face[n][0], face[n][1], face[n + 1][0], face[n + 1][1]
painter.drawLine(face[n][0], face[n][1], face[n + 1][0], face[n + 1][1])
painter.end()
self.view.scene().addPixmap(self.img)
def get_coords(self):
coords = []
for seg in self.mdl.segments:
if seg.classname == 'SegmentGeometry':
print 'doing stuff'
vcoll = seg.vertices
for face in seg.faces:
face_coords = []
for v in face.SIindices():
face_coords.append((vcoll[v].u * self.w, (1 - vcoll[v].v) * self.h))
face_coords.append((vcoll[face.vertices[0]].u * self.w,
(1 - vcoll[face.vertices[0]].v) * self.h))
coords.append(face_coords)
#print face_coords
return coords
def save(self):
filename, _ = QFileDialog.getSaveFileName(self, 'Save UV Mesh', os.getcwd(), 'PNG Files (*.png)')
if not filename:
return
self.img.save(filename, 'PNG')
self.close()
class OrderWorkflowDialog(QDialog):
def _makeArrow( self, ra, rb, both_ways=True):
ca = QPointF( ra.x() + float(ra.width()) / 2.0, ra.y() + float(ra.height()) / 2.0)
cb = QPointF( rb.x() + rb.width() / 2.0, rb.y() + rb.height() / 2.0)
dx = cb.x() - ca.x()
dy = cb.y() - ca.y()
d = dist(dx,dy)
a = math.atan2(float(dy),float(dx)) # The result is between -pi and pi
# ra_rad = dist(ra.width() / 2, ra.height() / 2)
# rb_rad = dist(rb.width() / 2, rb.height() / 2)
x,y = squircle(ra.width() / 2, ra.height() / 2, to_squircle_angle(ra.width() / 2, ra.height() / 2,a))
ra_rad = dist(x,y) + 10
# painter.drawLine(ca,QPoint(ca.x() + x, ca.y() + y))
na = a
if a < 0:
na += math.pi
else:
na -= math.pi
x,y = squircle(float(rb.width()) / 2.0, float(rb.height()) / 2.0, to_squircle_angle(float(rb.width()) / 2.0, float(rb.height()) / 2.0,na))
rb_rad = dist(x,y)+10
# ra_rad = rb_rad = 0
# painter.drawLine(ca,cb)
# painter.drawRect(ra)
# painter.setPen(Qt.GlobalColor.red)
# painter.drawRect(rb)
# painter.setPen(Qt.GlobalColor.black)
# for t in range(100):
# ang = 6.28/100.0*float(t)
# x,y = squircle( 200,50,ang)
# painter.drawPoint(300 + x,100 + y)
qp = QPolygonF()
h = 5
v = []
v.append(QPointF(ra_rad,0))
if not both_ways:
v.append(QPointF(ra_rad,-h/2))
else:
v.append(QPointF(ra_rad + 2*h,-2*h))
v.append(QPointF(ra_rad + 2*h,-h/2))
v.append(QPointF(d - rb_rad - 2*h,-h/2))
v.append(QPointF(d - rb_rad - 2*h,-2*h))
v.append(QPointF(d - rb_rad, 0))
v.append(QPointF(d - rb_rad - 2*h,+2*h))
v.append(QPointF(d - rb_rad - 2*h,+h/2))
if not both_ways:
v.append(QPointF(ra_rad,+h/2))
else:
v.append(QPointF(ra_rad + 2*h,+h/2))
v.append(QPointF(ra_rad + 2*h,+2*h))
v.append(QPointF(ra_rad,0))
p = QPolygonF(v)
item = QGraphicsPolygonItem(p)
item.translate(ca.x(),ca.y())
item.rotate(math.degrees(a))
return item
def _drawNodes(self,scene,selected_state,initial_state):
for i in scene.items():
scene.removeItem(i)
pos = dict()
sx = 1
sy = 1
if configuration.font_select:
sx = sx * 2
sy = sy
pos[OrderStatusType.preorder_definition] = (200*sx,200*sy)
pos[OrderStatusType.order_definition] = (10*sx,300*sy)
pos[OrderStatusType.order_ready_for_production] = (300*sx,300*sy)
pos[OrderStatusType.order_production_paused] = (200*sx,550*sy)
pos[OrderStatusType.order_completed] = (400*sx,600*sy)
pos[OrderStatusType.order_aborted] = (10*sx,600*sy)
mainlog.debug("_drawNodes : selected_state {}".format(selected_state))
mainlog.debug("_drawNodes : initial_state {}".format(initial_state))
for org in OrderStatusType.symbols():
x,y = pos[org]
item = QGraphicsSimpleTextItem(org.description)
if (selected_state and org in OrderStatusType.next_states(selected_state)) or org == initial_state or org == selected_state:
item = MyQGraphicsSimpleTextItem(org, self)
item.setFlags( item.flags() | QGraphicsItem.ItemIsSelectable)
if org == selected_state:
mainlog.debug("Preselcting {}".format(org))
item.setSelected(True)
item.setFont(self.thinfont)
item.setPos(x,y)
scene.addItem(item)
pos[org] = item.boundingRegion( item.sceneTransform()).boundingRect()
# scene.addRect(pos[org])
g_orgs = dict()
for org in OrderStatusType.symbols():
g_orgs[org] = OrderStatusType.next_states(org)
# Draw all arrows which don't end up or leave the selected_state
drawn = []
for org,dests in g_orgs.iteritems():
for dest in dests:
if selected_state != org and ((org,dest) not in drawn) and ((dest,org) not in drawn):
# If an arrow must have two directions, we draw it
# like that directly.
item = self._makeArrow( pos[org],pos[dest],dest in g_orgs and org in g_orgs[dest])
item.setPen(self.grey_pen)
scene.addItem( item)
drawn.append((org,dest))
if initial_state:
scene.addRect(pos[initial_state])
if selected_state:
for dest in OrderStatusType.next_states(selected_state):
item = self._makeArrow( pos[selected_state],pos[dest],False)
item.setBrush(QBrush(Qt.green))
scene.addItem( item)
drawn.append((org,dest))
@Slot()
def selectionChanged(self):
pass
def __init__(self,parent):
global configuration
super(OrderWorkflowDialog,self).__init__(parent)
self.grey_pen = QPen(Qt.gray)
title = _("Order workflow")
self.setWindowTitle(title)
self.title_widget = TitleWidget(title,self)
self.buttons = QDialogButtonBox()
self.buttons.addButton( QDialogButtonBox.Ok)
self.buttons.addButton( QDialogButtonBox.Cancel)
self.thinfont = QFont()
if configuration.font_select:
self.thinfont.setPointSize(self.thinfont.pointSize()*2)
self.scene = QGraphicsScene()
self.scene.selectionChanged.connect(self.selectionChanged)
self.view = QGraphicsView(self)
self.view.setRenderHint(QPainter.Antialiasing)
self.view.setScene(self.scene)
top_layout = QVBoxLayout()
top_layout.addWidget(self.title_widget)
top_layout.addWidget(self.view)
top_layout.addWidget(self.buttons)
self.setLayout(top_layout) # QWidget takes ownership of the layout
self.buttons.accepted.connect(self.save_and_accept)
self.buttons.rejected.connect(self.cancel)
self.initial_state = None
self.selected_state = None
self._drawNodes(self.scene,self.selected_state,self.initial_state)
def set_selected_state(self,selected_state,initial_state):
mainlog.debug("selected_state {}".format(selected_state))
mainlog.debug("initial_state {}".format(initial_state))
self.initial_state = initial_state
self.selected_state = selected_state
self._drawNodes(self.scene,selected_state,self.initial_state)
@Slot()
def cancel(self):
return super(OrderWorkflowDialog,self).reject()
@Slot()
def save_and_accept(self):
super(OrderWorkflowDialog,self).accept()
s = self.scene.selectedItems()
if s:
# In cas there are more than one item selected,
# we pick the first one (arbitrarily)
self.selected_state = s[0].state
else:
self.selected_state = self.initial_state
