def node_control_drop_handler(self, event):
# Drag and Drop from the DataPool
if(event.mimeData().hasFormat("openalealab/control")):
# -- retreive the data from the event mimeData --
pieceData = event.mimeData().data("openalealab/control")
dataStream = qt.QtCore.QDataStream(pieceData, qt.QtCore.QIODevice.ReadOnly)
identifier, data_key = str(pieceData).split(';')
# -- find node factory --
pkgmanager = PackageManager()
pkg = pkgmanager["openalea.oalab"]
factory = pkg.get_factory("control")
# -- instantiate the new node at the given position --
position = self.mapToScene(event.pos())
node = self.__drop_from_factory(factory, [position.x(), position.y()])
if node:
node.set_input(0, data_key)
node.set_caption(data_key)
event.setDropAction(qt.QtCore.Qt.CopyAction)
event.accept()
def node_datapool_drop_handler(self, event):
# Drag and Drop from the DataPool
if(event.mimeData().hasFormat("openalea/data_instance")):
# -- retreive the data from the event mimeData --
pieceData = event.mimeData().data("openalea/data_instance")
dataStream = qt.QtCore.QDataStream(pieceData, qt.QtCore.QIODevice.ReadOnly)
data_key = str()
data_key = str(data_key + dataStream)
# -- find node factory --
pkgmanager = PackageManager()
pkg = pkgmanager["system"]
factory = pkg.get_factory("pool reader")
# -- instantiate the new node at the given position --
position = self.mapToScene(event.pos())
node = self.__drop_from_factory(factory, [position.x(), position.y()])
if node:
node.set_input(0, data_key)
node.set_caption("pool ['%s']" % (data_key,))
event.setDropAction(qt.QtCore.Qt.MoveAction)
event.accept()
def node_data_drop_handler(self, event):
# Drag and Drop from the DataPool
if(event.mimeData().hasFormat("openalealab/data")):
# -- retreive the data from the event mimeData --
from openalea.oalab.mimedata.builtin import decode_project_item
data = decode_project_item(
str(event.mimeData().data("openalealab/data")),
"openalealab/data",
"openalealab/data")
# -- find node factory --
pkgmanager = PackageManager()
pkg = pkgmanager["openalea.oalab"]
factory = pkg.get_factory("data")
# -- instantiate the new node at the given position --
position = self.mapToScene(event.pos())
node = self.__drop_from_factory(factory, [position.x(), position.y()])
if node:
node.set_input(0, data.name)
node.set_caption(unicode(data.name))
event.setDropAction(qt.QtCore.Qt.CopyAction)
event.accept()