class Button_Previous_MM():
"""
Concrete class of the "Previous" button from the Main Menu Audio Widget.
"""
def __init__(self):
"""
Constructor of the Button_Previous_MM Class.
"""
self.audioController = AudioController()
self.audioObject = self.audioController.getAudioObject()
def onClick(self, isLongClick=False):
"""
OnClick method. Describes the behaviour of the button when is pressed.
In this case, it switch to the previous song of the list.
"""
if (self.audioObject.getStatus() != AudioStatus.NOFILE
and self.audioController.getPlayingRadio() == False):
self.audioController.previousTrack()
if (self.audioObject.getStatus() == AudioStatus.NOFILE
and self.audioController.getPlayingRadio() == True):
if (self.audioController.getGUICoolDown() == False):
self.audioController.startGUICoolDown(1.1)
self.audioController.seekDown()
def createButton(self, sizeX, sizeY):
"""
This method is a factory of a PicButton object. Creates a button with the described size.
:param sizeX: X size of the button.
:param sizeY: Y size of the button.
:return: Created button object.
"""
button = PicButton(
QPixmap("themes/default/img/previous_pam.png"),
QPixmap("themes/default/img/previous_pam_pressed.png"), sizeX,
sizeY, "", self.onClick)
return button
def __init__(self, parent=None):
"""
Constructor of the RadioMenuChannelMemory class.
"""
super(RadioMenuChannelMemory, self).__init__(parent)
self.db = RAM_DB()
audioController = AudioController()
radioChannels = self.db.getRadioChannels()
self.memoryButtons = []
self.labelsMemoryButtons = []
for i in range(0, 9):
self.memoryButtons.append(
Button_Memory_PRM(i).createButton(60, 60))
if (audioController.getPlayingRadio() == False
or audioController.getGUICoolDown() == True):
self.memoryButtons[i].setOppacity(0.3)
for i in range(0, 9):
if (radioChannels[i] == None):
memoryButtonLabel = "Vacío"
else:
memoryButtonLabel = radioChannels[i][1]
self.labelsMemoryButtons.append(CustomLabel().createLabel(
memoryButtonLabel, Qt.AlignCenter, 7))
hButtonBarBox = QHBoxLayout()
hButtonBarBox.addStretch()
for i in range(0, len(self.memoryButtons)):
vButtonBox = QVBoxLayout()
hMemoryButtonBox = QHBoxLayout()
hMemoryButtonBox.addStretch()
hMemoryButtonBox.addWidget(self.memoryButtons[i])
hMemoryButtonBox.addStretch()
vButtonBox.addLayout(hMemoryButtonBox)
hMemoryLabelBox = QHBoxLayout()
hMemoryLabelBox.addStretch()
hMemoryLabelBox.addWidget(self.labelsMemoryButtons[i])
hMemoryLabelBox.addStretch()
vButtonBox.addLayout(hMemoryLabelBox)
hButtonBarBox.addLayout(vButtonBox)
hButtonBarBox.addStretch()
self.setLayout(hButtonBarBox)
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)