def __init__(self, withGui = True):
self.withGui = withGui
self.isDirty = False # Settings file needs to be updated.
self.isArchiving = False # Still running.
self.main = BackupDirsMain(self)
if self.withGui:
QtGui.QMainWindow.__init__(self)
self.initGui()
class BackupDirs(QtGui.QMainWindow):
def __init__(self, withGui = True):
self.withGui = withGui
self.isDirty = False # Settings file needs to be updated.
self.isArchiving = False # Still running.
self.main = BackupDirsMain(self)
if self.withGui:
QtGui.QMainWindow.__init__(self)
self.initGui()
def initGui(self):
if not self.withGui:
return
self.createMenus()
self.setWindowTitle('Backup Dirs')
self.setWindowIcon(QtGui.QIcon('icons/logo.png'))
self.resize(640, 480)
self.center()
self.setCentralWidget(self.main)
def createMenus(self):
if not self.withGui:
return
self.start = QtGui.QAction(QtGui.QIcon('icons/start.png'), 'St&art', self)
self.connect(self.start, QtCore.SIGNAL('triggered()'), self.startBackup)
self.start.setShortcut('Ctrl+A')
self.start.setStatusTip('Start archiving')
self.stop = QtGui.QAction(QtGui.QIcon('icons/stop.png'), 'St&op', self)
self.connect(self.stop, QtCore.SIGNAL('triggered()'), self.stopBackup)
self.stop.setShortcut('Ctrl+X')
self.stop.setStatusTip('Stop archiving')
self.stop.setEnabled(False)
self.save = QtGui.QAction(QtGui.QIcon('icons/save.png'), '&Save', self)
self.connect(self.save, QtCore.SIGNAL('triggered()'), self.storeSettings)
self.save.setShortcut('Ctrl+S')
self.save.setStatusTip('Save preferences')
self.save.setEnabled(False)
self.reset = QtGui.QAction(QtGui.QIcon('icons/reset.png'), '&Reset', self)
self.connect(self.reset, QtCore.SIGNAL('triggered()'), self.loadSettings)
self.reset.setShortcut('Ctrl+R')
self.reset.setStatusTip('Reset preferences')
self.reset.setEnabled(False)
myexit = QtGui.QAction(QtGui.QIcon('icons/exit.png'), 'E&xit', self)
myexit.setShortcut('Ctrl+Q')
myexit.setStatusTip('Exit application')
self.connect(myexit, QtCore.SIGNAL('triggered()'), QtCore.SLOT("close()"))
about = QtGui.QAction(QtGui.QIcon('icons/about.png'), '&About', self)
about.setShortcut('Ctrl+B')
about.setStatusTip('About')
self.connect(about, QtCore.SIGNAL('triggered()'), self.about)
self.statusBar()
menubar = self.menuBar()
myfile = menubar.addMenu('&File')
myfile.addAction(self.start)
myfile.addAction(self.stop)
myfile.addSeparator()
myfile.addAction(self.save)
myfile.addAction(self.reset)
myfile.addSeparator()
myfile.addAction(myexit)
myhelp = menubar.addMenu('&Help')
myhelp.addAction(about)
toolbar = self.addToolBar('')
toolbar.addAction(self.start)
toolbar.addAction(self.stop)
def startBackup(self):
""" Starting worker child in different thread, it'll notify us if it's ready. """
if self.main.startBackup():
self.start.setEnabled(False)
self.stop.setEnabled(True)
self.isArchiving = True
def stopBackup(self):
""" Calling the child to cancel the job. """
self.main.stopBackup()
self.start.setEnabled(True)
self.stop.setEnabled(False)
self.isArchiving = False
def finishBackup(self):
""" Emitted by the child process. """
if not self.withGui:
return
self.start.setEnabled(True)
self.stop.setEnabled(False)
self.isArchiving = False
def closeEvent(self, event):
if not self.withGui:
return
if self.isDirty:
reply = QtGui.QMessageBox.question(self, 'Exit', 'Abandoning changes?',
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.No:
self.storeSettings()
event.accept()
elif self.isArchiving:
reply = QtGui.QMessageBox.question(self,
'Exit', 'Archiving is still running. Really quit?',
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
self.stopBackup()
event.ignore()
event.accept()
def storeSettings(self):
self.save.setEnabled(False)
self.reset.setEnabled(False)
self.main.storeSettings()
def loadSettings(self):
if self.isDirty:
reply = QtGui.QMessageBox.question(self, 'Reset', 'Abandoning changes?',
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.No:
return
self.save.setEnabled(False)
self.reset.setEnabled(False)
self.main.loadSettings()
def setDirty(self, isDirty):
self.isDirty = isDirty
if self.isDirty:
self.save.setEnabled(True)
self.reset.setEnabled(True)
def center(self):
screen = QtGui.QDesktopWidget().screenGeometry()
size = self.geometry()
self.move((screen.width() - size.width()) / 2, (screen.height() - size.height()) / 2)
def about(self):
QtGui.QMessageBox.information(self, 'About',
'Basic backup application written in PyQt4 by Ferenc Kovacs.\n' \
'http://derefer.org <*****@*****.**>\n' \
'Version 0.2, 2012-12-28\n\n' \
'Current features:\n' \
'- Preferences stored to ~/.backupdirs\n' \
'- Archiving directories into a specified folder\n' \
'- Each folder will have its own archive file\n' \
'- Adjustable compression method\n' \
'- All files exceeding a given size will be ignored\n' \
'- Interruptible, asynchronous backups\n' \
'- Progress indication\n' \
'- File suffix filtering\n' \
'- Multi-threaded archiving\n' \
'- Summary generation\n' \
'- Command line mode', QtGui.QMessageBox.Ok)