00001 # Software License Agreement (BSD License) 00002 # 00003 # Copyright (c) 2012, Willow Garage, Inc. 00004 # All rights reserved. 00005 # 00006 # Redistribution and use in source and binary forms, with or without 00007 # modification, are permitted provided that the following conditions 00008 # are met: 00009 # 00010 # * Redistributions of source code must retain the above copyright 00011 # notice, this list of conditions and the following disclaimer. 00012 # * Redistributions in binary form must reproduce the above 00013 # copyright notice, this list of conditions and the following 00014 # disclaimer in the documentation and/or other materials provided 00015 # with the distribution. 00016 # * Neither the name of Willow Garage, Inc. nor the names of its 00017 # contributors may be used to endorse or promote products derived 00018 # from this software without specific prior written permission. 00019 # 00020 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00021 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00024 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00027 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00028 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00029 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00030 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00031 # POSSIBILITY OF SUCH DAMAGE. 00032 00033 from .base_filter import BaseFilter 00034 00035 00036 class NodeFilter(BaseFilter): 00037 """ 00038 Contains filter logic for a single node filter. 00039 If the message's node text matches any of the text in the stored list 00040 then it is considered a match. 00041 """ 00042 def __init__(self): 00043 super(NodeFilter, self).__init__() 00044 self._selected_items = [] 00045 00046 def set_selected_items(self, items): 00047 """ 00048 Setter for selected items. 00049 :param list_" list of items to store for filtering ''list of QListWidgetItem'' 00050 :emits filter_changed_signal: If _enabled is true 00051 """ 00052 self._selected_items = items 00053 if self.is_enabled(): 00054 self.start_emit_timer() 00055 00056 def has_filter(self): 00057 return len(self._selected_items) > 0 00058 00059 def test_message(self, message): 00060 """ 00061 Tests if the message matches the filter. 00062 If the message's node text matches any of the text in the stored list 00063 then it is considered a match. 00064 :param message: the message to be tested against the filters, ''Message'' 00065 :returns: True if the message matches, ''bool'' 00066 """ 00067 if not self.is_enabled(): 00068 return False 00069 for item in self._selected_items: 00070 if message.node == item.text(): 00071 return True 00072 return False