publisher_tree_widget.py
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00001 #!/usr/bin/env python
00002 
00003 # Copyright (c) 2011, Dorian Scholz, TU Darmstadt
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 the TU Darmstadt 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 HOLDER 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 python_qt_binding.QtCore import Signal, Slot
00034 from python_qt_binding.QtGui import QAction, QIcon
00035 
00036 from .publisher_tree_model import PublisherTreeModel
00037 from rqt_py_common.message_tree_widget import MessageTreeWidget
00038 from rqt_py_common.item_delegates import SpinBoxDelegate
00039 
00040 
00041 class PublisherTreeWidget(MessageTreeWidget):
00042     remove_publisher = Signal(int)
00043     publish_once = Signal(int)
00044 
00045     def __init__(self, parent=None):
00046         super(PublisherTreeWidget, self).__init__(parent)
00047         self.setModel(PublisherTreeModel(self))
00048         self._action_remove_publisher = QAction(QIcon.fromTheme('list-remove'), 'Remove Selected', self)
00049         self._action_remove_publisher.triggered[bool].connect(self._handle_action_remove_publisher)
00050         self._action_publish_once = QAction(QIcon.fromTheme('media-playback-start'), 'Publish Selected Once', self)
00051         self._action_publish_once.triggered[bool].connect(self._handle_action_publish_once)
00052         self.setItemDelegateForColumn(self.model()._column_index['rate'], SpinBoxDelegate(min_value=0, max_value=1000000, decimals=2))
00053 
00054     @Slot()
00055     def remove_selected_publishers(self):
00056         publisher_ids = self.model().get_publisher_ids(self.selectedIndexes())
00057         for publisher_id in publisher_ids:
00058             self.remove_publisher.emit(publisher_id)
00059         self.model().remove_items_with_parents(self.selectedIndexes())
00060 
00061     def _context_menu_add_actions(self, menu, pos):
00062         if self.selectionModel().hasSelection():
00063             menu.addAction(self._action_remove_publisher)
00064             menu.addAction(self._action_publish_once)
00065         # let super class add actions
00066         super(PublisherTreeWidget, self)._context_menu_add_actions(menu, pos)
00067 
00068     def _handle_action_remove_publisher(self, checked):
00069         self.remove_selected_publishers()
00070 
00071     def _handle_action_publish_once(self, checked):
00072         for publisher_id in self.model().get_publisher_ids(self.selectedIndexes()):
00073             self.publish_once.emit(publisher_id)


rqt_publisher
Author(s): Dorian Scholz
autogenerated on Wed Sep 16 2015 06:58:15