def __init__(self, parent=None):
super(ParamModel, self).__init__(parent)
self.lock = threading.RLock()
self.rootItem = ParamItem("", None, None, None, self)
self.headers = ["Parameter", "Value"]
self.monitor = ParamMonitor(self)
self.monitor.start()
class ParamModel(QAbstractItemModel):
def __init__(self, parent=None):
super(ParamModel, self).__init__(parent)
self.lock = threading.RLock()
self.rootItem = ParamItem("", None, None, None, self)
self.headers = ["Parameter", "Value"]
self.monitor = ParamMonitor(self)
self.monitor.start()
def columnCount(self, parent=QModelIndex()):
return 2
def data(self, index, role):
with self.lock:
if not index.isValid():
return None
if role == Qt.DisplayRole:
item = index.internalPointer()
if index.column() == 0:
return item.name
if index.column() == 1:
return item.data
#return "row, col: %s, %s" % (index.row(), index.column())
#return index.internalPointer().data()
return None
def setData(self, index, value):
with self.lock:
rospy.set_param(index.internalPointer().fullpath(), value)
def headerData(self, section, orientation, role):
with self.lock:
if orientation == Qt.Horizontal and role == Qt.DisplayRole:
return self.headers[section]
return None
def flags(self, index):
with self.lock:
if not index.isValid():
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
if index.internalPointer().childCount() == 0 and index.column() == 1:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
else:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
def index(self, row, col, parent):
with self.lock:
if not self.hasIndex(row, col, parent):
return QModelIndex()
if parent.isValid():
parentItem = parent.internalPointer()
else:
parentItem = self.rootItem
childItem = parentItem.child(row)
if childItem:
return childItem.createIndex(col)
return QModelIndex()
def parent(self, index):
with self.lock:
if not index.isValid():
return QModelIndex()
childItem = index.internalPointer()
parentItem = childItem.parent()
return parentItem.createIndex(0)
def rowCount(self, parent):
with self.lock:
if parent.column() > 0:
return 0
if parent.isValid():
parentItem = parent.internalPointer()
else:
parentItem = self.rootItem
return parentItem.childCount()
def setupModelData(self, data):
with self.lock:
#self.modelAboutToBeReset.emit()
self.rootItem.merge(ParamItem("", None, data, None, self))