def save_settings(self, instance_settings):
expanded_nodes = []
for index in self._enumerate_indexes():
if self._node_selector_view.isExpanded(index):
grn = RqtRosGraph.get_upper_grn(index, '')
if grn:
expanded_nodes.append(grn)
instance_settings.set_value('expanded_nodes', expanded_nodes)
def _selection_changed_slot(self, selected, deselected):
"""
Send "open ROS Node box" signal.
ONLY IF the selected treenode is the
terminal treenode.
Receives args from signal QItemSelectionModel.selectionChanged.
:param selected: All indexs where selected (could be multiple)
:type selected: QItemSelection
:type deselected: QItemSelection
"""
# Getting the index where user just selected. Should be single.
if not selected.indexes() and not deselected.indexes():
logging.error('Nothing selected? Not ideal to reach here')
return
index_current = None
if selected.indexes():
index_current = selected.indexes()[0]
elif len(deselected.indexes()) == 1:
# Setting length criteria as 1 is only a workaround, to avoid
# Node boxes on right-hand side disappears when filter key doesn't
# match them.
# Indeed this workaround leaves another issue. Question for
# permanent solution is asked here http://goo.gl/V4DT1
index_current = deselected.indexes()[0]
logging.debug(' - - - index_current={}'.format(index_current))
rosnode_name_selected = RqtRosGraph.get_upper_grn(index_current, '')
# If retrieved node name isn't in the list of all nodes.
if rosnode_name_selected not in self._nodeitems.keys():
# De-select the selected item.
self.selectionModel.select(index_current,
QItemSelectionModel.Deselect)
return
if selected.indexes():
try:
self._selection_selected(index_current, rosnode_name_selected)
except Exception as e:
# TODO: print to sysmsg pane
err_msg = 'Connection to node={} failed:\n{}'.format(
rosnode_name_selected, e)
import traceback
traceback.print_exc()
self._signal_msg.emit(err_msg)
logging.error(err_msg)
elif deselected.indexes():
try:
self._selection_deselected(index_current,
rosnode_name_selected)
except Exception as e:
self._signal_msg.emit(e)
logging.error(e)
def _selection_changed_slot(self, selected, deselected):
"""
Sends "open ROS Node box" signal ONLY IF the selected treenode is the
terminal treenode.
Receives args from signal QItemSelectionModel.selectionChanged.
:param selected: All indexs where selected (could be multiple)
:type selected: QItemSelection
:type deselected: QItemSelection
"""
## Getting the index where user just selected. Should be single.
if not selected.indexes() and not deselected.indexes():
rospy.logerr('Nothing selected? Not ideal to reach here')
return
index_current = None
if selected.indexes():
index_current = selected.indexes()[0]
elif len(deselected.indexes()) == 1:
# Setting length criteria as 1 is only a workaround, to avoid
# Node boxes on right-hand side disappears when filter key doesn't
# match them.
# Indeed this workaround leaves another issue. Question for
# permanent solution is asked here http://goo.gl/V4DT1
index_current = deselected.indexes()[0]
rospy.logdebug(' - - - index_current={}'.format(index_current))
rosnode_name_selected = RqtRosGraph.get_upper_grn(index_current, '')
# If retrieved node name isn't in the list of all nodes.
if not rosnode_name_selected in self._nodeitems.keys():
# De-select the selected item.
self.selectionModel.select(index_current,
QItemSelectionModel.Deselect)
return
if selected.indexes():
try:
self._selection_selected(index_current, rosnode_name_selected)
except ROSException as e:
#TODO: print to sysmsg pane
err_msg = e.message + '. Connection to node=' + \
format(rosnode_name_selected) + ' failed'
self._signal_msg.emit(err_msg)
rospy.logerr(err_msg)
elif deselected.indexes():
try:
self._selection_deselected(index_current,
rosnode_name_selected)
except ROSException as e:
rospy.logerr(e.message)
def node_deselected(self, grn):
"""
Deselect the index that corresponds to the given GRN.
:type grn: str
"""
# Obtain all indices currently selected.
indexes_selected = self.selectionModel.selectedIndexes()
for index in indexes_selected:
grn_from_selectedindex = RqtRosGraph.get_upper_grn(index, '')
logging.debug(' Compare given grn={} from selected={}'.format(
grn, grn_from_selectedindex))
# If GRN retrieved from selected index matches the given one.
if grn == grn_from_selectedindex:
# Deselect the index.
self.selectionModel.select(index, QItemSelectionModel.Deselect)
def node_selected(self, grn, scroll_to=False):
"""
Select the index that corresponds to the given GRN.
:type grn: str
"""
# Iterate over all of the indexes
for index in self._enumerate_indexes():
grn_from_index = RqtRosGraph.get_upper_grn(index, '')
logging.debug(' Compare given grn={} from selected={}'.format(
grn, grn_from_index))
# If GRN retrieved from selected index matches the given one.
if grn == grn_from_index:
# Select the index.
self.selectionModel.select(index, QItemSelectionModel.Select)
if scroll_to:
self._node_selector_view.scrollTo(index)
break
def node_deselected(self, grn):
"""
Deselect the index that corresponds to the given GRN.
:type grn: str
"""
# Obtain the corresponding index.
qindex_tobe_deselected = self._item_model.get_index_from_grn(grn)
logging.debug('NodeSelWidt node_deselected qindex={} data={}'.format(
qindex_tobe_deselected,
qindex_tobe_deselected.data(Qt.DisplayRole)))
# Obtain all indices currently selected.
indexes_selected = self.selectionModel.selectedIndexes()
for index in indexes_selected:
grn_from_selectedindex = RqtRosGraph.get_upper_grn(index, '')
logging.debug(' Compare given grn={} grn from selected={}'.format(
grn, grn_from_selectedindex))
# If GRN retrieved from selected index matches the given one.
if grn == grn_from_selectedindex:
# Deselect the index.
self.selectionModel.select(index, QItemSelectionModel.Deselect)
def node_deselected(self, grn):
"""
Deselect the index that corresponds to the given GRN.
:type grn: str
"""
# Obtain the corresponding index.
qindex_tobe_deselected = self._item_model.get_index_from_grn(grn)
rospy.logdebug('NodeSelWidt node_deselected qindex={} data={}'.format(
qindex_tobe_deselected,
qindex_tobe_deselected.data(Qt.DisplayRole)))
# Obtain all indices currently selected.
indexes_selected = self.selectionModel.selectedIndexes()
for index in indexes_selected:
grn_from_selectedindex = RqtRosGraph.get_upper_grn(index, '')
rospy.logdebug(' Compare given grn={} grn from selected={}'.format(
grn, grn_from_selectedindex))
# If GRN retrieved from selected index matches the given one.
if grn == grn_from_selectedindex:
# Deselect the index.
self.selectionModel.select(index, QItemSelectionModel.Deselect)
def restore_settings(self, instance_settings):
expanded_nodes = instance_settings.value('expanded_nodes', [])
if expanded_nodes:
for index in self._enumerate_indexes():
if RqtRosGraph.get_upper_grn(index, '') in expanded_nodes:
self._node_selector_view.setExpanded(index, True)
