mirror of
https://github.com/GNS3/gns3-gui.git
synced 2026-05-17 08:56:06 +03:00
128 lines
3.7 KiB
Python
128 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2018 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Configuration page for TraceNG preferences.
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"""
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import os
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import sys
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import shutil
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from gns3.qt import QtWidgets
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from .. import TraceNG
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from ..ui.traceng_preferences_page_ui import Ui_TraceNGPreferencesPageWidget
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from ..settings import TRACENG_SETTINGS
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class TraceNGPreferencesPage(QtWidgets.QWidget, Ui_TraceNGPreferencesPageWidget):
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"""
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QWidget preference page for TraceNG
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"""
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def __init__(self):
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super().__init__()
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self.setupUi(self)
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# connect signals
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self.uiRestoreDefaultsPushButton.clicked.connect(self._restoreDefaultsSlot)
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self.uiTraceNGPathToolButton.clicked.connect(self._tracengPathBrowserSlot)
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def _tracengPathBrowserSlot(self):
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"""
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Slot to open a file browser and select traceng
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"""
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filter = ""
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if sys.platform.startswith("win"):
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filter = "Executable (*.exe);;All files (*.*)"
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traceng_path = shutil.which("traceng")
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path, _ = QtWidgets.QFileDialog.getOpenFileName(self, "Select TraceNG", traceng_path, filter)
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if not path:
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return
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if self._checkTraceNGPath(path):
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self.uiTraceNGPathLineEdit.setText(os.path.normpath(path))
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def _checkTraceNGPath(self, path):
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"""
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Checks that the TraceNG path is valid.
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:param path: TraceNG path
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:returns: boolean
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"""
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if not os.path.exists(path):
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QtWidgets.QMessageBox.critical(self, "TraceNG", '"{}" does not exist'.format(path))
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return False
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if not os.access(path, os.X_OK):
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QtWidgets.QMessageBox.critical(self, "TraceNG", "{} is not an executable".format(os.path.basename(path)))
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return False
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return True
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def _restoreDefaultsSlot(self):
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"""
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Slot to populate the page widgets with the default settings.
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"""
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self._populateWidgets(TRACENG_SETTINGS)
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def _useLocalServerSlot(self, state):
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"""
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Slot to enable or not local server settings.
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"""
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if state:
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self.uiTraceNGPathLineEdit.setEnabled(True)
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self.uiTraceNGPathToolButton.setEnabled(True)
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else:
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self.uiTraceNGPathLineEdit.setEnabled(False)
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self.uiTraceNGPathToolButton.setEnabled(False)
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def _populateWidgets(self, settings):
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"""
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Populates the widgets with the settings.
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:param settings: TraceNG settings
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"""
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self.uiTraceNGPathLineEdit.setText(settings["traceng_path"])
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def loadPreferences(self):
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"""
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Loads TraceNG preferences.
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"""
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traceng_settings = TraceNG.instance().settings()
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self._populateWidgets(traceng_settings)
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def savePreferences(self):
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"""
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Saves TraceNG preferences.
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"""
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traceng_path = self.uiTraceNGPathLineEdit.text().strip()
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if traceng_path and not self._checkTraceNGPath(traceng_path):
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return
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new_settings = {"traceng_path": traceng_path}
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TraceNG.instance().setSettings(new_settings)
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