def addNode(self):
# My First Node
_input = [1, 2, 3]
_output = [1]
node1 = Node(self.scene, 'First Node', _input, _output)
node2 = Node(self.scene, 'Second First Node', _input, _output)
node3 = Node(self.scene, 'Third First Node', _input, _output)
node1.setNodePos(-250, -250)
node2.setNodePos(250, -250)
# print('node1 id: ',id(node1))
# print('node2 id: ',id(node2))
# print('node3 id: ',id(node3))
Link1 = Link(self.scene, node1.outputs[0], node2.inputs[0], 2)
def deserializeFromClipboard(self, data):
hashmap = {}
# paste on mouse pointer
view = self.scene.grScene.views()[0]
mouse_scene_pos = view.last_scene_mouse_position
#
# claculate scene object + center
minx, maxx, miny, maxy = 0, 0, 0, 0
for node_data in data['nodes']:
x, y = node_data['pos_x'], node_data['pos_y']
if x < minx: minx = x
if x > maxx: maxx = x
if y < miny: miny = y
if y > maxy: maxy = y
bbox_center_x = (minx + maxx) / 2
bbox_center_y = (miny + maxy) / 2
center = view.mapToScene(view.rect().center())
# calculate offset
offset_x = (mouse_scene_pos.x() - bbox_center_x)
offset_y = (mouse_scene_pos.y() - bbox_center_y)
if DEBUG: print('node_scene_clipboard ::', data)
# create each node
for node_data in data['nodes']:
new_node = Node(self.scene)
new_node.deserialize(node_data, hashmap, restore_id=False)
# read just the new node's position
pos = new_node.pos
new_node.setNodePos(pos.x() + offset_x, pos.y() + offset_y)
# create each links
if 'links' in data:
for link_data in data['links']:
new_link = Link(self.scene)
new_link.deserialize(link_data, hashmap, restore_id=False)
# store history
self.scene.history.storeHistory(
'node_scene_clipboard :: Pasted Elements in scene',
setModified=True)