class GUIController(object):
"""
This class has the responsibility of do the change between menus & initialize the GUI.
"""
def initialize(self):
"""
Initialize the GUI and load the Main Menu.
"""
app = QApplication(sys.argv)
mainWindow = MainWindow()
self.centralWidget = QStackedWidget()
mainWindow.setCentralWidget(self.centralWidget)
self.db = RAM_DB()
self.mainMenuWidget = MainMenu(self)
self.audioController = AudioController()
self.centralWidget.addWidget(self.mainMenuWidget)
self.centralWidget.setCurrentWidget(self.mainMenuWidget)
sys.exit(app.exec_())
def changeToMenu(self, menuname):
"""
Changes to the menu passed by parameter.
:param menuname: String with the name of the menu.
"""
if (menuname == "MainMenu"):
self.db.setCurrentMenu("MainMenu")
self.centralWidget.setCurrentWidget(self.mainMenuWidget)
elif (menuname == "SelectAudioMenu"):
self.db.setCurrentMenu("SelectAudioMenu")
self.selectAudioMenuWidget = SelectAudioMenu(self)
self.centralWidget.addWidget(self.selectAudioMenuWidget)
self.centralWidget.setCurrentWidget(self.selectAudioMenuWidget)
elif (menuname == "PlayAudioMenu"):
self.db.setCurrentMenu("PlayAudioMenu")
self.playAudioMenuWidget = PlayAudioMenu(self)
#Observer pattern register
self.audioController.register(self.playAudioMenuWidget)
self.centralWidget.addWidget(self.playAudioMenuWidget)
self.centralWidget.setCurrentWidget(self.playAudioMenuWidget)
elif (menuname == "PlayRadioMenu"):
self.db.setCurrentMenu("PlayRadioMenu")
self.playRadioMenuWidget = PlayRadioMenu(self)
# Observer pattern register
self.audioController.register(self.playRadioMenuWidget)
self.centralWidget.addWidget(self.playRadioMenuWidget)
self.centralWidget.setCurrentWidget(self.playRadioMenuWidget)
def __init__(self, controller, parent=None):
"""
Constructor of the MainMenu class.
:param controller: GUIController object.
"""
super(MainMenu, self).__init__(parent)
audioController = AudioController()
optionsButton = Button_Options_MM(controller).createButton(269, 100)
optionsButton.setOppacity(0.3)
poffButton = Button_POff_MM().createButton(269, 100)
mainMenuAudioWidget = MainMenuAudioWidget()
mainMenuButtonsWidget = MainMenuButtonsWidget(controller)
# Observer
audioController.register(mainMenuAudioWidget)
# Setting the layouts
verticalBoxLayout = QVBoxLayout()
hMainMenuTopWidgets = QHBoxLayout()
hButtonsMenuBox = QHBoxLayout()
verticalBoxLayout.setContentsMargins(0, 0, 0, 0)
verticalBoxLayout.addStretch()
verticalBoxLayout.addStretch()
hMainMenuTopWidgets.addStretch()
hMainMenuTopWidgets.addWidget(mainMenuAudioWidget)
verticalBoxLayout.addLayout(hMainMenuTopWidgets)
verticalBoxLayout.addStretch()
verticalBoxLayout.addWidget(mainMenuButtonsWidget)
verticalBoxLayout.addStretch()
hButtonsMenuBox.addWidget(optionsButton)
hButtonsMenuBox.addStretch()
hButtonsMenuBox.addWidget(poffButton)
verticalBoxLayout.addLayout(hButtonsMenuBox)
self.setLayout(verticalBoxLayout)
def __init__(self, controller, parent=None):
"""
Constructor of the PlayRadioMenu class.
:param controller: GUIController object.
"""
super(PlayRadioMenu, self).__init__(parent)
self.controller = controller
audioController = AudioController()
self.db = RAM_DB()
radioMenuChannelMemoryWidget = RadioMenuChannelMemory()
# Observer
audioController.register(radioMenuChannelMemoryWidget)
self.backButton = Button_Back_PRM(self.controller).createButton(269, 100)
self.upFreqButton = Button_Upfreq_PRM(self.controller).createButton(60, 60)
self.downFreqButton = Button_Downfreq_PRM(self.controller).createButton(60, 60)
self.seekBackButton = Button_SeekBack_PRM(self.controller).createButton(60, 60)
self.seekForwardButton = Button_SeekForward_PRM(self.controller).createButton(60, 60)
if(audioController.getPlayingRadio() == False or audioController.getGUICoolDown() == True):
self.upFreqButton.setOppacity(0.3)
self.downFreqButton.setOppacity(0.3)
self.seekBackButton.setOppacity(0.3)
self.seekForwardButton.setOppacity(0.3)
audioController.initRadio()
self.freqLabel = CustomLabel().createLabel(str(audioController.getCurrentFMFrequency()) + " FM", Qt.AlignCenter, 30)
verticalBoxLayout = QVBoxLayout()
verticalBoxLayout.setContentsMargins(0, 0, 0, 0)
verticalBoxLayout.addStretch()
verticalBoxLayout.addStretch()
verticalBoxLayout.addWidget(self.freqLabel)
verticalBoxLayout.addStretch()
hMenuBox = QHBoxLayout()
hMenuBox.addStretch()
hMenuBox.addWidget(self.seekBackButton)
hMenuBox.addStretch()
hMenuBox.addWidget(self.downFreqButton)
hMenuBox.addStretch()
hMenuBox.addWidget(self.upFreqButton)
hMenuBox.addStretch()
hMenuBox.addWidget(self.seekForwardButton)
hMenuBox.addStretch()
verticalBoxLayout.addLayout(hMenuBox)
verticalBoxLayout.addStretch()
verticalBoxLayout.addWidget(radioMenuChannelMemoryWidget)
verticalBoxLayout.addStretch()
hbox = QHBoxLayout()
hbox.addWidget(self.backButton)
hbox.addStretch()
verticalBoxLayout.addLayout(hbox)
self.setLayout(verticalBoxLayout)