Source code for lib_openmolar.common.qt4.plugin_tools.plugins_directory_dialog
#! /usr/bin/env python
# -*- coding: utf-8 -*-
###############################################################################
## ##
## Copyright 2010, Neil Wallace <rowinggolfer@googlemail.com> ##
## ##
## This program is free software: you can redistribute it and/or modify ##
## it under the terms of the GNU General Public License as published by ##
## the Free Software Foundation, either version 3 of the License, or ##
## (at your option) any later version. ##
## ##
## This program is distributed in the hope that it will be useful, ##
## but WITHOUT ANY WARRANTY; without even the implied warranty of ##
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ##
## GNU General Public License for more details. ##
## ##
## You should have received a copy of the GNU General Public License ##
## along with this program. If not, see <http://www.gnu.org/licenses/>. ##
## ##
###############################################################################
from PyQt4 import QtGui, QtCore
from lib_openmolar.common.qt4.dialogs import ExtendableDialog
class _directory_model(QtCore.QAbstractTableModel):
advanced = False
def __init__(self, parent=None):
QtCore.QAbstractTableModel.__init__(self, parent)
self.icon = QtGui.QIcon.fromTheme("folder")
self.delete_icon = QtGui.QIcon(":icons/eraser.png")
def data(self, index, role=QtCore.Qt.DisplayRole):
dirname = SETTINGS.PLUGIN_DIRS[index.row()]
if index.column() == 0:
if role == QtCore.Qt.DisplayRole:
return dirname
if role == QtCore.Qt.DecorationRole:
return self.icon
if index.column() == 1:
if role == QtCore.Qt.DecorationRole:
return self.delete_icon
if index.column() == 2:
if role == QtCore.Qt.DisplayRole:
return _("allow")
if role == QtCore.Qt.CheckStateRole:
if dirname in SETTINGS.NAKED_PLUGIN_DIRS:
return QtCore.Qt.Checked
else:
return QtCore.Qt.Unchecked
def headerData(self, index, orientation, role=QtCore.Qt.DisplayRole):
if orientation == QtCore.Qt.Vertical:
return
if role == QtCore.Qt.DisplayRole:
if index == 0:
return _("Directory")
elif index == 1:
return _("Remove")
elif index == 2:
return _("Naked Plugins")
def rowCount(self, index):
return len(SETTINGS.PLUGIN_DIRS)
def columnCount(self, index):
return 3 if self.advanced else 2
class _TableView(QtGui.QTableView):
'''
a clickable table view allowing editing of the directories
'''
updated = QtCore.pyqtSignal()
warning_given = False
def __init__(self, parent=None):
QtGui.QTableView.__init__(self, parent)
self.clicked.connect(self.handle_click)
def handle_click(self, index):
dirname = SETTINGS.PLUGIN_DIRS[index.row()]
if index.column() == 1:
self.confirm_delete(dirname)
if index.column() == 2:
self.toggle_naked(dirname)
def confirm_delete(self, dirname):
if QtGui.QMessageBox.question(self, _("confirm"),
u"%s<br /><b>%s</b> ?" %(
_("no longer load plugins from directory") , dirname),
QtGui.QMessageBox.Ok|QtGui.QMessageBox.Cancel,
QtGui.QMessageBox.Ok) == QtGui.QMessageBox.Ok:
for s_list in (SETTINGS.PLUGIN_DIRS, SETTINGS.NAKED_PLUGIN_DIRS):
try:
s_list.remove(dirname)
except ValueError:
pass
self.updated.emit()
def toggle_naked(self, dirname):
if dirname not in SETTINGS.NAKED_PLUGIN_DIRS:
if not self.warning_given:
QtGui.QMessageBox.warning(self, _("are you sure"),
u"%s %s<hr />%s"% (
_("allowing unsigned code to run is a security risk"),
_("but can be useful for plugin developers."),
_("Only enable this feature if you are sure you know what you are doing")
))
self.warning_given = True
return
SETTINGS.NAKED_PLUGIN_DIRS.append(dirname)
else:
SETTINGS.NAKED_PLUGIN_DIRS.remove(dirname)
self.updated.emit()
[docs]class PluginsDirectoryDialog(ExtendableDialog):
'''
a widget, added at runtime to the preferences dialog,
configures the use of plugins
'''
[docs] def __init__(self, parent=None):
ExtendableDialog.__init__(self, parent)
self.label = QtGui.QLabel()
self.model = _directory_model()
button = QtGui.QPushButton(_("add a directory"))
list_view = _TableView()
self.insertWidget(self.label)
self.insertWidget(list_view)
self.insertWidget(button)
button.clicked.connect(self.add_directory)
self.apply_but.hide()
self.set_reject_button_text(_("Close"))
self._update()
list_view.setModel(self.model)
list_view.updated.connect(self._update)
label = QtGui.QLabel(_("Naked Plugins management Enabled"))
self.add_advanced_widget(label)
self.more_but.toggled.connect(self.toggle_naked)
def _update(self):
'''
updates the label showing which directories are used
'''
if len(SETTINGS.PLUGIN_DIRS) == 0:
message = _("No plugin Directories set")
else:
message = _("Directories where Plugins Reside")
self.model.reset()
self.label.setText(message)
[docs] def add_directory(self):
new_dir = QtGui.QFileDialog.getExistingDirectory()
if new_dir == "":
return
SETTINGS.PLUGIN_DIRS.append(new_dir)
self._update()
def _test():
from lib_openmolar import client
SETTINGS.PLUGIN_DIRS = ["../../../../../plugins/client"]
app = QtGui.QApplication([])
dl = PluginsDirectoryDialog()
dl.exec_()
if __name__ == "__main__":
_test()
