def initializePage(self):
# self.field('database_configure') does not matter
self.worker = DatabaseSetupWorker()
self.worker.start()
self.worker.stateProgress.connect(self.onStateProgressSignal)
self.worker.stateError.connect(self.onStateErrorSignal)
self.worker.stateRun.emit(self.worker.STATE_INIT)
def initializePage(self):
# self.field('database_configure') does not matter
self.worker = DatabaseSetupWorker()
self.worker.start()
self.worker.stateProgress.connect(self.onStateProgressSignal)
self.worker.stateError.connect(self.onStateErrorSignal)
self.worker.stateRun.emit(self.worker.STATE_INIT)
class DatabaseSetupWizardPage(BaseWizardPage):
def __init__(self, parent=None):
super(DatabaseSetupWizardPage, self).__init__(parent)
dsw = DatabaseSetupWorker
statesLayout = QtGui.QGridLayout()
self.stateIcons = {}
self.stateLabels = {}
self.stateDetails = {}
labels = {
dsw.STATE_INIT: "Initialize database",
dsw.STATE_LOAD: "Load database",
dsw.STATE_CREATE: "Create models",
dsw.STATE_TEST: "Insert test data",
dsw.STATE_DONE: "Finished setting up database"
}
for i, state in enumerate(
(dsw.STATE_INIT, dsw.STATE_LOAD, dsw.STATE_CREATE, dsw.STATE_TEST,
dsw.STATE_DONE)):
self.stateIcons[state] = icon = QtGui.QLabel(self)
self.stateLabels[state] = label = QtGui.QLabel(labels[state], self)
self.stateDetails[state] = details = QtGui.QLabel(self)
self.stateDetails[state].setWordWrap(True)
statesLayout.addWidget(icon, i, 0)
statesLayout.addWidget(label, i, 1)
statesLayout.addWidget(details, i, 2)
statesLayout.setColumnStretch(0, 0)
statesLayout.setColumnStretch(1, 0)
statesLayout.setColumnStretch(2, 1)
self.progress = QtGui.QProgressBar(self)
self.progress.setRange(0, 100)
self.progress.setTextVisible(True)
self.questionBox = QtGui.QGroupBox(self)
self.questionBox.hide()
self.prompt = QtGui.QLabel(self.questionBox)
self.buttonBox = QtGui.QDialogButtonBox(
QtGui.QDialogButtonBox.Yes | QtGui.QDialogButtonBox.No,
QtCore.Qt.Horizontal, self.questionBox)
self.buttonBox.accepted.connect(self.onPromptAccept)
self.buttonBox.rejected.connect(self.onPromptReject)
questionLayout = QtGui.QVBoxLayout()
questionLayout.addWidget(self.prompt)
questionLayout.addWidget(self.buttonBox)
self.questionBox.setLayout(questionLayout)
layout = QtGui.QVBoxLayout()
layout.setSpacing(10)
layout.addLayout(statesLayout)
layout.addWidget(self.progress)
layout.addStretch(1)
layout.addWidget(self.questionBox)
self.setLayout(layout)
self.worker = None
self.__error_occured = False
def initializePage(self):
# self.field('database_configure') does not matter
self.worker = DatabaseSetupWorker()
self.worker.start()
self.worker.stateProgress.connect(self.onStateProgressSignal)
self.worker.stateError.connect(self.onStateErrorSignal)
self.worker.stateRun.emit(self.worker.STATE_INIT)
def cleanupPage(self):
self.worker.quit()
self.worker.wait()
# TODO: error when opening connection in a thread and closing it in another thread.
# TODO: error when pressing back and coming back (looks like database tables are not cleared)
for iconLbl in self.stateIcons.itervalues():
iconLbl.setPixmap(None)
for detailsLbl in self.stateDetails.itervalues():
detailsLbl.setText("")
def validatePage(self):
if self.__error_occured:
return False
if self.worker.isRunning():
return False
return True
def isComplete(self):
if self.worker.isRunning():
return False
else:
return super(DatabaseSetupWizardPage, self).isComplete()
def onStateErrorSignal(self, state, exception):
if state == self.worker.STATE_INIT:
message = "Could not connect to database!"
elif state == self.worker.STATE_LOAD:
message = "Error loading models!"
elif state == self.worker.STATE_CREATE:
message = "Error creating tables!"
elif state == self.worker.STATE_TEST:
message = "Error inserting test values!"
else:
message = "An error occured!"
self.__error_occured = True
self.setMessage(
state, -1, "<b>{message}</b><br />{exception}".format(
message=message, exception=str(exception)))
self.setProgress(self.worker.STATE_DONE, self.worker.DONE)
self.worker.quit()
self.completeChanged.emit()
def onStateProgressSignal(self, state, progress):
self.setProgress(state, progress)
if state == self.worker.STATE_INIT:
# First, connect to the database
if progress == self.worker.START:
self.setMessage(state, progress, "Connecting to database...")
elif progress == self.worker.DONE:
self.setMessage(state, progress, "Connected to database.")
self.worker.stateRun.emit(self.worker.STATE_LOAD)
elif state == self.worker.STATE_LOAD:
# Second, load the models
if progress == self.worker.START:
self.setMessage(state, progress, "Loading models...")
elif progress == self.worker.DONE:
self.setMessage(state, progress, "Models loaded.")
self.setPrompt(question="""Reconfigure Database?
This will drop the tables in the database you chose and recreate it.""",
onAccept=self.worker.STATE_CREATE,
onReject=self.worker.STATE_DONE)
elif state == self.worker.STATE_CREATE:
# Third, create the tables
if progress == self.worker.START:
self.setMessage(state, progress, "Creating tables...")
elif progress == self.worker.DONE:
self.setMessage(state, progress, "Tables created.")
self.setPrompt(question="""Insert test values?""",
onAccept=self.worker.STATE_TEST,
onReject=self.worker.STATE_DONE)
elif state == self.worker.STATE_TEST:
# Fourth, insert the test values
if progress == self.worker.START:
self.setMessage(state, progress, "Inserting test values...")
elif progress == self.worker.DONE:
self.setMessage(state, progress, "Inserted test values.")
self.worker.stateRun.emit(self.worker.STATE_DONE)
elif state == self.worker.STATE_DONE and progress == self.worker.DONE:
# Fifth, we are done
self.setMessage(state, progress, "Done.")
self.completeChanged.emit()
def setPrompt(self, question, onAccept, onReject):
self.questionBox.show()
self.prompt.setText(question)
self.__question_accept_callback = lambda sig=onAccept: self.worker.stateRun.emit(
sig)
self.__question_reject_callback = lambda sig=onReject: self.worker.stateRun.emit(
sig)
def onPromptAccept(self):
self.__question_accept_callback()
self.questionBox.hide()
def onPromptReject(self):
self.__question_reject_callback()
self.questionBox.hide()
def setMessage(self, state, stage, text):
self.stateDetails[state].setText(text)
if stage == self.worker.START:
pass
elif stage == self.worker.DONE:
icon = QtGui.QIcon.fromTheme("dialog-ok-apply")
pixmap = icon.pixmap(16, 16)
self.stateIcons[state].setPixmap(pixmap)
elif stage < self.worker.START:
icon = QtGui.QIcon.fromTheme("dialog-close")
pixmap = icon.pixmap(16, 16)
self.stateIcons[state].setPixmap(pixmap)
def setProgress(self, state, progress):
self.progress.setValue((state - 1 + (progress / self.worker.DONE)) *
100.0 / self.worker.STATE_DONE)
class DatabaseSetupWizardPage(BaseWizardPage):
def __init__(self, parent=None):
super(DatabaseSetupWizardPage, self).__init__(parent)
dsw = DatabaseSetupWorker
statesLayout = QtGui.QGridLayout()
self.stateIcons = {}
self.stateLabels = {}
self.stateDetails = {}
labels = {dsw.STATE_INIT: "Initialize database",
dsw.STATE_LOAD: "Load database",
dsw.STATE_CREATE: "Create models",
dsw.STATE_TEST: "Insert test data",
dsw.STATE_DONE: "Finished setting up database"
}
for i, state in enumerate((dsw.STATE_INIT, dsw.STATE_LOAD, dsw.STATE_CREATE, dsw.STATE_TEST, dsw.STATE_DONE)):
self.stateIcons[state] = icon = QtGui.QLabel(self)
self.stateLabels[state] = label = QtGui.QLabel(labels[state], self)
self.stateDetails[state] = details = QtGui.QLabel(self)
self.stateDetails[state].setWordWrap(True)
statesLayout.addWidget(icon, i, 0)
statesLayout.addWidget(label, i, 1)
statesLayout.addWidget(details, i, 2)
statesLayout.setColumnStretch(0, 0)
statesLayout.setColumnStretch(1, 0)
statesLayout.setColumnStretch(2, 1)
self.progress = QtGui.QProgressBar(self)
self.progress.setRange(0, 100)
self.progress.setTextVisible(True)
self.questionBox = QtGui.QGroupBox(self)
self.questionBox.hide()
self.prompt = QtGui.QLabel(self.questionBox)
self.buttonBox = QtGui.QDialogButtonBox(QtGui.QDialogButtonBox.Yes |
QtGui.QDialogButtonBox.No,
QtCore.Qt.Horizontal,
self.questionBox)
self.buttonBox.accepted.connect(self.onPromptAccept)
self.buttonBox.rejected.connect(self.onPromptReject)
questionLayout = QtGui.QVBoxLayout()
questionLayout.addWidget(self.prompt)
questionLayout.addWidget(self.buttonBox)
self.questionBox.setLayout(questionLayout)
layout = QtGui.QVBoxLayout()
layout.setSpacing(10)
layout.addLayout(statesLayout)
layout.addWidget(self.progress)
layout.addStretch(1)
layout.addWidget(self.questionBox)
self.setLayout(layout)
self.worker = None
self.__error_occured = False
def initializePage(self):
# self.field('database_configure') does not matter
self.worker = DatabaseSetupWorker()
self.worker.start()
self.worker.stateProgress.connect(self.onStateProgressSignal)
self.worker.stateError.connect(self.onStateErrorSignal)
self.worker.stateRun.emit(self.worker.STATE_INIT)
def cleanupPage(self):
self.worker.quit()
self.worker.wait()
# TODO: error when opening connection in a thread and closing it in another thread.
# TODO: error when pressing back and coming back (looks like database tables are not cleared)
for iconLbl in self.stateIcons.itervalues():
iconLbl.setPixmap(None)
for detailsLbl in self.stateDetails.itervalues():
detailsLbl.setText("")
def validatePage(self):
if self.__error_occured:
return False
if self.worker.isRunning():
return False
return True
def isComplete(self):
if self.worker.isRunning():
return False
else:
return super(DatabaseSetupWizardPage, self).isComplete()
def onStateErrorSignal(self, state, exception):
if state == self.worker.STATE_INIT:
message = "Could not connect to database!"
elif state == self.worker.STATE_LOAD:
message = "Error loading models!"
elif state == self.worker.STATE_CREATE:
message = "Error creating tables!"
elif state == self.worker.STATE_TEST:
message = "Error inserting test values!"
else:
message = "An error occured!"
self.__error_occured = True
self.setMessage(state, -1, "<b>{message}</b><br />{exception}".format(
message=message,
exception=str(exception)
))
self.setProgress(self.worker.STATE_DONE, self.worker.DONE)
self.worker.quit()
self.completeChanged.emit()
def onStateProgressSignal(self, state, progress):
self.setProgress(state, progress)
if state == self.worker.STATE_INIT:
# First, connect to the database
if progress == self.worker.START:
self.setMessage(state, progress, "Connecting to database...")
elif progress == self.worker.DONE:
self.setMessage(state, progress, "Connected to database.")
self.worker.stateRun.emit(self.worker.STATE_LOAD)
elif state == self.worker.STATE_LOAD:
# Second, load the models
if progress == self.worker.START:
self.setMessage(state, progress, "Loading models...")
elif progress == self.worker.DONE:
self.setMessage(state, progress, "Models loaded.")
self.setPrompt(question="""Reconfigure Database?
This will drop the tables in the database you chose and recreate it.""",
onAccept=self.worker.STATE_CREATE,
onReject=self.worker.STATE_DONE
)
elif state == self.worker.STATE_CREATE:
# Third, create the tables
if progress == self.worker.START:
self.setMessage(state, progress, "Creating tables...")
elif progress == self.worker.DONE:
self.setMessage(state, progress, "Tables created.")
self.setPrompt(question="""Insert test values?""",
onAccept=self.worker.STATE_TEST,
onReject=self.worker.STATE_DONE
)
elif state == self.worker.STATE_TEST:
# Fourth, insert the test values
if progress == self.worker.START:
self.setMessage(state, progress, "Inserting test values...")
elif progress == self.worker.DONE:
self.setMessage(state, progress, "Inserted test values.")
self.worker.stateRun.emit(self.worker.STATE_DONE)
elif state == self.worker.STATE_DONE and progress == self.worker.DONE:
# Fifth, we are done
self.setMessage(state, progress, "Done.")
self.completeChanged.emit()
def setPrompt(self, question, onAccept, onReject):
self.questionBox.show()
self.prompt.setText(question)
self.__question_accept_callback = lambda sig=onAccept: self.worker.stateRun.emit(sig)
self.__question_reject_callback = lambda sig=onReject: self.worker.stateRun.emit(sig)
def onPromptAccept(self):
self.__question_accept_callback()
self.questionBox.hide()
def onPromptReject(self):
self.__question_reject_callback()
self.questionBox.hide()
def setMessage(self, state, stage, text):
self.stateDetails[state].setText(text)
if stage == self.worker.START:
pass
elif stage == self.worker.DONE:
icon = QtGui.QIcon.fromTheme("dialog-ok-apply")
pixmap = icon.pixmap(16, 16)
self.stateIcons[state].setPixmap(pixmap)
elif stage < self.worker.START:
icon = QtGui.QIcon.fromTheme("dialog-close")
pixmap = icon.pixmap(16, 16)
self.stateIcons[state].setPixmap(pixmap)
def setProgress(self, state, progress):
self.progress.setValue((state - 1 + (progress/self.worker.DONE)) * 100.0 / self.worker.STATE_DONE)
