/usr/lib/python2.7/dist-packages/ubuntu-sso-client/ubuntu_sso/qt/expander.py is in ubuntu-sso-client-qt 13.10-0ubuntu11.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | # -*- coding: utf-8 -*-
#
# Copyright 2012 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the
# OpenSSL library under certain conditions as described in each
# individual source file, and distribute linked combinations
# including the two.
# You must obey the GNU General Public License in all respects
# for all of the code used other than OpenSSL. If you modify
# file(s) with this exception, you may extend this exception to your
# version of the file(s), but you are not obligated to do so. If you
# do not wish to do so, delete this exception statement from your
# version. If you delete this exception statement from all source
# files in the program, then also delete it here.
"""A Expander widget similar to the GtkExpander."""
from PyQt4.QtCore import pyqtSignal
from PyQt4.QtGui import QHBoxLayout, QLabel, QSizePolicy, QVBoxLayout, QWidget
from ubuntu_sso.qt.arrow import QArrow
# we are following the Qt style, lets tell pylint to ignore it
# pylint: disable=C0103
class QExpanderLabel(QWidget):
"""Widget used to show the label of a QExpander."""
clicked = pyqtSignal()
def __init__(self, label, parent=None):
"""Create a new instance."""
super(QExpanderLabel, self).__init__(parent)
self.arrow = QArrow(QArrow.RIGHT)
self.label = QLabel(label)
layout = QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(layout)
layout.addWidget(self.arrow)
layout.addWidget(self.label)
def mousePressEvent(self, event):
"""Mouse clicked."""
if self.arrow.direction == QArrow.DOWN:
self.arrow.direction = QArrow.RIGHT
else:
self.arrow.direction = QArrow.DOWN
self.clicked.emit()
def text(self):
"""Return the text of the label."""
return self.label.text()
def setText(self, text):
"""Set the text of the label."""
self.label.setText(text)
class QExpander(QWidget):
"""A Qt implementation similar to GtkExpander."""
def __init__(self, label, expanded=False, parent=None):
"""Create a new instance."""
super(QExpander, self).__init__(parent)
self.label = QExpanderLabel(label)
self.label.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
self.content = None
self.layout = QVBoxLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self.layout)
self.layout.addWidget(self.label)
self.layout.addStretch()
self.label.clicked.connect(self._on_label_clicked)
self.setExpanded(expanded)
def _on_label_clicked(self):
"""The expander widget was clicked."""
self._expanded = not self._expanded
self.setExpanded(self._expanded)
def addWidget(self, widget):
"""Add a widget to the expander.
The previous widget will be removed.
"""
if self.content is not None:
self.layout.removeWidget(self.content)
self.content = widget
self.content.setVisible(self._expanded)
self.layout.insertWidget(1, self.content)
def text(self):
"""Return the text of the label."""
return self.label.text()
def setText(self, text):
"""Set the text of the label."""
self.label.setText(text)
def expanded(self):
"""Return if widget is expanded."""
return self._expanded
# pylint: disable=W0201
def setExpanded(self, is_expanded):
"""Expand the widget or not."""
self._expanded = is_expanded
if self._expanded:
self.label.arrow.direction = QArrow.DOWN
else:
self.label.arrow.direction = QArrow.RIGHT
if self.content is not None:
self.content.setVisible(self._expanded)
# pylint: enable=W0201
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