node_selection.py
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32 
33 import rosgraph
34 import rosnode
35 from python_qt_binding.QtCore import Qt
36 from python_qt_binding.QtWidgets import QWidget, QVBoxLayout, QCheckBox, QScrollArea, QPushButton
37 
38 
39 class NodeSelection(QWidget):
40 
41  def __init__(self, parent):
42  super(NodeSelection, self).__init__()
43  self.parent_widget = parent
44  self.selected_nodes = []
45  self.setWindowTitle("Select the nodes you want to record")
46  self.resize(500, 700)
47  self.area = QScrollArea(self)
48  self.main_widget = QWidget(self.area)
49  self.ok_button = QPushButton("Done", self)
50  self.ok_button.clicked.connect(self.onButtonClicked)
51  self.ok_button.setEnabled(False)
52  self.main_vlayout = QVBoxLayout(self)
53  self.main_vlayout.addWidget(self.area)
54  self.main_vlayout.addWidget(self.ok_button)
55  self.setLayout(self.main_vlayout)
56 
57  self.selection_vlayout = QVBoxLayout(self)
58 
59  self.node_list = rosnode.get_node_names()
60  self.node_list.sort()
61  for node in self.node_list:
62  self.addCheckBox(node)
63  self.main_widget.setLayout(self.selection_vlayout)
64  self.show()
65 
66  def addCheckBox(self, node):
67  item = QCheckBox(node, self)
68  item.stateChanged.connect(lambda x: self.updateNode(x, node))
69  self.selection_vlayout.addWidget(item)
70 
71  def updateNode(self, state, node):
72  if state == Qt.Checked:
73  self.selected_nodes.append(node)
74  else:
75  self.selected_nodes.remove(node)
76  if len(self.selected_nodes) > 0:
77  self.ok_button.setEnabled(True)
78  else:
79  self.ok_button.setEnabled(False)
80 
81  def onButtonClicked(self):
82  master = rosgraph.Master('rqt_bag_recorder')
83  state = master.getSystemState()
84  subs = [t for t, l in state[1]
85  if len([node_name for node_name in self.selected_nodes if node_name in l]) > 0]
86  for topic in subs:
87  self.parent_widget.changeTopicCheckState(topic, Qt.Checked)
88  self.parent_widget.updateList(Qt.Checked, topic)
89  self.close()
rqt_bag.node_selection.NodeSelection.main_widget
main_widget
Definition: node_selection.py:48
rqt_bag.node_selection.NodeSelection.updateNode
def updateNode(self, state, node)
Definition: node_selection.py:71
rqt_bag.node_selection.NodeSelection.selected_nodes
selected_nodes
Definition: node_selection.py:44
rqt_bag.node_selection.NodeSelection.node_list
node_list
Definition: node_selection.py:59
rqt_bag.node_selection.NodeSelection.selection_vlayout
selection_vlayout
Definition: node_selection.py:57
rqt_bag.node_selection.NodeSelection.onButtonClicked
def onButtonClicked(self)
Definition: node_selection.py:81
rqt_bag.node_selection.NodeSelection.area
area
Definition: node_selection.py:47
rqt_bag.node_selection.NodeSelection.parent_widget
parent_widget
Definition: node_selection.py:43
rqt_bag.node_selection.NodeSelection.__init__
def __init__(self, parent)
Definition: node_selection.py:41
rqt_bag.node_selection.NodeSelection.addCheckBox
def addCheckBox(self, node)
Definition: node_selection.py:66
rqt_bag.node_selection.NodeSelection
Definition: node_selection.py:39
rqt_bag.node_selection.NodeSelection.ok_button
ok_button
Definition: node_selection.py:49
rqt_bag.node_selection.NodeSelection.main_vlayout
main_vlayout
Definition: node_selection.py:52


rqt_bag
Author(s): Dirk Thomas , Aaron Blasdel , Austin Hendrix , Tim Field
autogenerated on Thu Mar 2 2023 03:43:15