Source code for camelot.view.controls.filterlist
# ============================================================================
#
# Copyright (C) 2007-2011 Conceptive Engineering bvba. All rights reserved.
# www.conceptive.be / project-camelot@conceptive.be
#
# This file is part of the Camelot Library.
#
# This file may be used under the terms of the GNU General Public
# License version 2.0 as published by the Free Software Foundation
# and appearing in the file license.txt included in the packaging of
# this file. Please review this information to ensure GNU
# General Public Licensing requirements will be met.
#
# If you are unsure which license is appropriate for your use, please
# visit www.python-camelot.com or contact project-camelot@conceptive.be
#
# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# For use of this library in commercial applications, please contact
# project-camelot@conceptive.be
#
# ============================================================================
"""Controls to filter data"""
import logging
logger = logging.getLogger('camelot.view.controls.filter')
from PyQt4 import QtGui, QtCore
[docs]class FilterList( QtGui.QWidget ):
"""A list with filters that can be applied on a query in the tableview"""
filters_changed_signal = QtCore.pyqtSignal()
def __init__(self, items, parent):
"""
:param items: list of tuples (filter, (name, choices)) for constructing the different filterboxes
"""
super(FilterList, self).__init__(parent)
#self.setFrameStyle(QtGui.QFrame.NoFrame)
layout = QtGui.QVBoxLayout()
layout.setMargin( 2 )
layout.setSpacing( 4 )
for filter, (name, options) in items:
filter_widget = filter.render(self, name, options)
layout.addWidget(filter_widget)
filter_widget.filter_changed_signal.connect( self.emit_filters_changed )
layout.addStretch()
self.setLayout(layout)
if len(items) == 0:
self.setMaximumWidth(0)
else:
self.setSizePolicy( QtGui.QSizePolicy.MinimumExpanding,
QtGui.QSizePolicy.Expanding )
[docs] def decorate_query(self, query):
for i in range(self.layout().count()):
if self.layout().itemAt(i).widget():
query = self.layout().itemAt(i).widget().decorate_query(query)
return query
@QtCore.pyqtSlot()
[docs] def emit_filters_changed(self):
logger.debug('filters changed')
self.filters_changed_signal.emit()