def __init__(self, inifile):
QtGui.QMainWindow.__init__(self)
# This is always the same
self._ui=Ui_MainWindow()
self._ui.setupUi(self)
# Adding window decoration stuff
self.setWindowIcon(QtGui.QIcon("./images/System-Package-icon.png"))
self.setWindowTitle("Package Manager")
# Hidding not default shown component
self._ui.ProgressBar.hide()
# Retrieving datas
self._build(inifile)
self.buttons = (self._ui.CloseBtn, self._ui.RefreshBtn,
self._ui.InstallBtn,)
# Setting buttons behaviour
self.connect(self._ui.CloseBtn,
QtCore.SIGNAL('clicked()'),
self,
QtCore.SLOT('close()'))
self.connect(self._ui.RefreshBtn,
QtCore.SIGNAL('clicked()'),
self._refresh)
self.connect(self._ui.InstallBtn,
QtCore.SIGNAL('clicked()'),
self._install)
class MainWindow(QtGui.QMainWindow):
"""
The main window object
"""
def __init__(self, inifile):
QtGui.QMainWindow.__init__(self)
# This is always the same
self._ui=Ui_MainWindow()
self._ui.setupUi(self)
# Adding window decoration stuff
self.setWindowIcon(QtGui.QIcon("./images/System-Package-icon.png"))
self.setWindowTitle("Package Manager")
# Hidding not default shown component
self._ui.ProgressBar.hide()
# Retrieving datas
self._build(inifile)
self.buttons = (self._ui.CloseBtn, self._ui.RefreshBtn,
self._ui.InstallBtn,)
# Setting buttons behaviour
self.connect(self._ui.CloseBtn,
QtCore.SIGNAL('clicked()'),
self,
QtCore.SLOT('close()'))
self.connect(self._ui.RefreshBtn,
QtCore.SIGNAL('clicked()'),
self._refresh)
self.connect(self._ui.InstallBtn,
QtCore.SIGNAL('clicked()'),
self._install)
def _enable_btns(self, enable=True):
"""
Disable Btns to avoid user interaction
"""
self._ui.CloseBtn.setEnabled(enable)
self._ui.RefreshBtn.setEnabled(enable)
self._ui.InstallBtn.setEnabled(False)
def _hide_progress(self):
"""
Hide progress informations
"""
self._enable_btns()
self._ui.ProgressBar.hide()
def _refresh(self, event=None):
"""
Refresh cache informations
"""
self._ui.PackageTable.model().update()
def _show_progress(self):
"""
Initialize progress informations (bar and window)
"""
self._enable_btns(False)
self._ui.ProgressBar.setValue(0)
# self._ui.LogWindow.clear()
self._ui.ProgressBar.show()
def _update_progress(self, text, value):
"""
Update progress infos
"""
self._ui.ProgressBar.setValue(int(value))
text = text.decode('utf-8')
if not text.endswith('\n'):
text += "\n"
self._ui.LogWindow.append(text)
def _install(self, event=None):
"""
Launche packages installation
"""
self._ui.PackageTable.model().install()
def closeEvent(self, event):
"""
Handle the MainWindow close event
"""
reply = QtGui.QMessageBox.question(self,
'Message',
"Are you sure to quit?",
QtGui.QMessageBox.Yes |
QtGui.QMessageBox.No,
QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
event.accept()
else:
event.ignore()
def _build(self, inifile):
"""
Populate the table
"""
self._model = QPackagesModel(inifile)
table = self._ui.PackageTable
table.setModel(self._model)
table.resizeColumnsToContents()
table.verticalHeader().hide()
table.resizeColumnsToContents()
table.horizontalHeader().setStretchLastSection(True)
table.setSelectionBehavior(QtGui.QTableView.SelectRows)
selectionModel = table.selectionModel()
# Connecting slots to the model's changes
self.connect(self._model,
QtCore.SIGNAL("dataChanged(int)"),
self._enable_action)
self.connect(self._model, QtCore.SIGNAL('statusChanged'),
self._update_progress)
self.connect(self._model, QtCore.SIGNAL('statusStarted()'),
self._show_progress)
self.connect(self._model, QtCore.SIGNAL('statusFinished()'),
self._hide_progress)
def _enable_action(self, num_to_install=None):
"""
Enable or disable the Install button in regard of
the number of packages to install
"""
if num_to_install > 0:
self._ui.InstallBtn.setEnabled(True)
else:
self._ui.InstallBtn.setEnabled(False)
