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authorTomás Touceda <chiiph@leap.se>2014-08-15 10:32:37 -0300
committerTomás Touceda <chiiph@leap.se>2014-08-15 10:32:37 -0300
commite8c028f3eb6cd0681f039c456dc1ac45c98d598f (patch)
treeb7e84ebafad106726308d3c87f58ad1d900d66d7 /src/leap/bitmask/gui/providers.py
parent159dbe295148975bdfe9a50f871254aa9adf2328 (diff)
parentfb9bad95cc4bd2769af5f91c2f0cac1be4c3c617 (diff)
Merge branch 'release-0.6.1'0.6.1
Diffstat (limited to 'src/leap/bitmask/gui/providers.py')
-rw-r--r--src/leap/bitmask/gui/providers.py114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/leap/bitmask/gui/providers.py b/src/leap/bitmask/gui/providers.py
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+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013,2014 LEAP
+#
+# 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/>.
+#
+
+"""
+An instance of class Providers, held by mainwindow, is responsible for
+managing the current provider and the combobox provider list.
+"""
+
+from collections import deque
+from PySide import QtCore
+
+
+class Providers(QtCore.QObject):
+
+ # Emitted when the user changes the provider combobox index. The object
+ # parameter is actually a boolean value that is True if "Other..." was
+ # selected, False otherwse
+ _provider_changed = QtCore.Signal(object)
+
+ def __init__(self, providers_combo):
+ """
+ :param providers_combo: combo widget that lists providers
+ :type providers_combo: QWidget
+ """
+ QtCore.QObject.__init__(self)
+ self._providers_indexes = deque(maxlen=2) # previous and current
+ self._providers_indexes.append(-1)
+ self._combo = providers_combo
+ self._combo.currentIndexChanged.connect(
+ self._current_provider_changed)
+
+ def set_providers(self, provider_list):
+ """
+ Set the provider list to provider_list plus an "Other..." item
+ that triggers the wizard
+
+ :param provider_list: list of providers
+ :type provider_list: list of str
+ """
+ self._combo.blockSignals(True)
+ self._combo.clear()
+ self._combo.addItems(provider_list + [self.tr("Other...")])
+ self._combo.blockSignals(False)
+
+ def select_provider_by_name(self, name):
+ """
+ Given a provider name/domain, it selects it in the combobox
+
+ :param name: name or domain for the provider
+ :type name: unicode str
+ """
+ provider_index = self._combo.findText(name)
+ self._providers_indexes.append(provider_index)
+
+ # block the signals during a combobox change since we don't want to
+ # trigger the default signal that makes the UI ask the user for
+ # confirmation
+ self._combo.blockSignals(True)
+ self._combo.setCurrentIndex(provider_index)
+ self._combo.blockSignals(False)
+
+ def get_selected_provider(self):
+ """
+ Returns the selected provider in the combobox
+
+ :rtype: unicode str
+ """
+ return self._combo.currentText()
+
+ def connect_provider_changed(self, callback):
+ """
+ Connects callback to provider_changed signal
+ """
+ self._provider_changed.connect(callback)
+
+ def restore_previous_provider(self):
+ """
+ Set as selected provider the one that was selected previously.
+ """
+ prev_provider = self._providers_indexes.popleft()
+ self._providers_indexes.append(prev_provider)
+ self._combo.blockSignals(True)
+ self._combo.setCurrentIndex(prev_provider)
+ self._combo.blockSignals(False)
+
+ @QtCore.Slot(int)
+ def _current_provider_changed(self, idx):
+ """
+ TRIGGERS:
+ self._combo.currentIndexChanged
+
+ :param idx: the index of the new selected item
+ :type idx: int
+ """
+ self._providers_indexes.append(idx)
+ is_wizard = idx == (self._combo.count() - 1)
+ self._provider_changed.emit(is_wizard)
+ if is_wizard:
+ self.restore_previous_provider()