def deserializeFromClipboard(self, data):
hashmap = {}
# calculate mouse pointer - scene position
view = self.scene.grScene.views()[0]
mouse_scene_pos = view.last_scene_mouse_position
# calculate selected objects bbox and center
minx, maxx, miny, maxy = 0, 0, 0, 0
for box_data in data['boxes']:
x, y = box_data['pos_x'], box_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
# calculate the offset of the newly creating boxes
offset_x = mouse_scene_pos.x() - bbox_center_x
offset_y = mouse_scene_pos.y() - bbox_center_y
# create each box
for box_data in data['boxes']:
new_box = Box(self.scene)
new_box.deserialize(box_data, hashmap, restore_id=False)
# readjust the new box's position
pos = new_box.pos
new_box.setPos(pos.x() + offset_x, pos.y() + offset_y)
# create each edge
if 'edges' in data:
for edge_data in data['edges']:
new_edge = Edge(self.scene)
new_edge.deserialize(edge_data, hashmap, restore_id=False)
# store history
self.scene.history.storeHistory("Pasted elements in scene")
