import xml.etree.ElementTree as ET from utils import class_dict def rescale(scale, boxes): for i in range(len(boxes)): boxes[i] = [boxes[i][0]*scale, boxes[i][1]*scale, boxes[i][2]*scale, boxes[i][3]*scale] return boxes def create_BPMN_id(data): enums = { 'end_event': 1, 'start_event': 1, 'task': 1, 'sequenceFlow': 1, 'messageFlow': 1, 'message_event': 1, 'exclusiveGateway': 1, 'parallelGateway': 1, 'dataAssociation': 1, 'pool': 1, 'dataObject': 1, 'timerEvent': 1 } BPMN_name = [class_dict[label] for label in data['labels']] for idx, Bpmn_id in enumerate(BPMN_name): if Bpmn_id == 'event': if data['links'][idx][0] is not None and data['links'][idx][1] is None: key = 'end_event' elif data['links'][idx][0] is None and data['links'][idx][1] is not None: key = 'start_event' else: key = { 'task': 'task', 'dataObject': 'dataObject', 'sequenceFlow': 'sequenceFlow', 'messageFlow': 'messageFlow', 'messageEvent': 'message_event', 'exclusiveGateway': 'exclusiveGateway', 'parallelGateway': 'parallelGateway', 'dataAssociation': 'dataAssociation', 'pool': 'pool', 'timerEvent': 'timerEvent' }.get(Bpmn_id, None) if key: data['BPMN_id'][idx] = f'{key}_{enums[key]}' enums[key] += 1 return data def add_diagram_elements(parent, element_id, x, y, width, height): """Utility to add BPMN diagram notation for elements.""" shape = ET.SubElement(parent, 'bpmndi:BPMNShape', attrib={ 'bpmnElement': element_id, 'id': element_id + '_di' }) bounds = ET.SubElement(shape, 'dc:Bounds', attrib={ 'x': str(x), 'y': str(y), 'width': str(width), 'height': str(height) }) def add_diagram_edge(parent, element_id, waypoints): """Utility to add BPMN diagram notation for sequence flows.""" edge = ET.SubElement(parent, 'bpmndi:BPMNEdge', attrib={ 'bpmnElement': element_id, 'id': element_id + '_di' }) for x, y in waypoints: ET.SubElement(edge, 'di:waypoint', attrib={ 'x': str(x), 'y': str(y) }) def check_status(link, keep_elements): if link[0] in keep_elements and link[1] in keep_elements: return 'middle' elif link[0] is None and link[1] in keep_elements: return 'start' elif link[0] in keep_elements and link[1] is None: return 'end' else: return 'middle' def check_data_association(i, links, labels, keep_elements): for j, (k,l) in enumerate(links): if labels[j] == 14: if k==i: return 'output',j elif l==i: return 'input',j return 'no association', None def create_data_Association(bpmn,data,size,element_id,source_id,target_id): waypoints = calculate_waypoints(data, size, source_id, target_id) add_diagram_edge(bpmn, element_id, waypoints) # Function to dynamically create and layout BPMN elements def create_bpmn_object(process, bpmnplane, text_mapping, definitions, size, data, keep_elements): elements = data['BPMN_id'] positions = data['boxes'] links = data['links'] for i in keep_elements: element_id = elements[i] if element_id is None: continue element_type = element_id.split('_')[0] x, y = positions[i][:2] # Start Event if element_type == 'start': element = ET.SubElement(process, 'bpmn:startEvent', id=element_id, name=text_mapping[element_id]) add_diagram_elements(bpmnplane, element_id, x, y, size['start'][0], size['start'][1]) # Task elif element_type == 'task': element = ET.SubElement(process, 'bpmn:task', id=element_id, name=text_mapping[element_id]) status, dataAssociation_idx = check_data_association(i, data['links'], data['labels'], keep_elements) # Handle Data Input Association if status == 'input': dataObject_idx = links[dataAssociation_idx][0] dataObject_name = elements[dataObject_idx] dataObject_ref = f'DataObjectReference_{dataObject_name.split("_")[1]}' sub_element = ET.SubElement(element, 'bpmn:dataInputAssociation', id=f'dataInputAssociation_{dataObject_ref.split("_")[1]}') ET.SubElement(sub_element, 'bpmn:sourceRef').text = dataObject_ref create_data_Association(bpmnplane, data, size, sub_element.attrib['id'], dataObject_name, element_id) # Handle Data Output Association elif status == 'output': dataObject_idx = links[dataAssociation_idx][1] dataObject_name = elements[dataObject_idx] dataObject_ref = f'DataObjectReference_{dataObject_name.split("_")[1]}' sub_element = ET.SubElement(element, 'bpmn:dataOutputAssociation', id=f'dataOutputAssociation_{dataObject_ref.split("_")[1]}') ET.SubElement(sub_element, 'bpmn:targetRef').text = dataObject_ref create_data_Association(bpmnplane, data, size, sub_element.attrib['id'], element_id, dataObject_name) add_diagram_elements(bpmnplane, element_id, x, y, size['task'][0], size['task'][1]) # Message Events (Start, Intermediate, End) elif element_type == 'message': status = check_status(links[i], keep_elements) if status == 'start': element = ET.SubElement(process, 'bpmn:startEvent', id=element_id, name=text_mapping[element_id]) elif status == 'middle': element = ET.SubElement(process, 'bpmn:intermediateCatchEvent', id=element_id, name=text_mapping[element_id]) elif status == 'end': element = ET.SubElement(process, 'bpmn:endEvent', id=element_id, name=text_mapping[element_id]) ET.SubElement(element, 'bpmn:messageEventDefinition', id=f'MessageEventDefinition_{i+1}') add_diagram_elements(bpmnplane, element_id, x, y, size['message'][0], size['message'][1]) # End Event elif element_type == 'end': element = ET.SubElement(process, 'bpmn:endEvent', id=element_id, name=text_mapping[element_id]) add_diagram_elements(bpmnplane, element_id, x, y, size['end'][0], size['end'][1]) # Gateways (Exclusive, Parallel) elif element_type in ['exclusiveGateway', 'parallelGateway']: gateway_type = 'exclusiveGateway' if element_type == 'exclusiveGateway' else 'parallelGateway' element = ET.SubElement(process, f'bpmn:{gateway_type}', id=element_id) add_diagram_elements(bpmnplane, element_id, x, y, size[element_type][0], size[element_type][1]) # Data Object elif element_type == 'dataObject': dataObject_idx = element_id.split('_')[1] dataObject_ref = f'DataObjectReference_{dataObject_idx}' element = ET.SubElement(process, 'bpmn:dataObjectReference', id=dataObject_ref, dataObjectRef=element_id, name=text_mapping[element_id]) ET.SubElement(process, 'bpmn:dataObject', id=element_id) add_diagram_elements(bpmnplane, dataObject_ref, x, y, size['dataObject'][0], size['dataObject'][1]) # Timer Event elif element_type == 'timerEvent': element = ET.SubElement(process, 'bpmn:intermediateCatchEvent', id=element_id, name=text_mapping[element_id]) ET.SubElement(element, 'bpmn:timerEventDefinition', id=f'TimerEventDefinition_{i+1}') add_diagram_elements(bpmnplane, element_id, x, y, size['timerEvent'][0], size['timerEvent'][1]) def calculate_pool_bounds(data, keep_elements, size): min_x = min_y = float('10000') max_x = max_y = float('0') for i in keep_elements: if i >= len(data['BPMN_id']): print("Problem with the index") continue element = data['BPMN_id'][i] if element is None or data['labels'][i] == 13 or data['labels'][i] == 14 or data['labels'][i] == 15 or data['labels'][i] == 7 or data['labels'][i] == 15: continue element_type = element.split('_')[0] x, y = data['boxes'][i][:2] element_width, element_height = size[element_type] min_x = min(min_x, x) min_y = min(min_y, y) max_x = max(max_x, x + element_width) max_y = max(max_y, y + element_height) return min_x, min_y, max_x, max_y def calculate_pool_waypoints(idx, data, size, source_idx, target_idx, source_element, target_element): # Get the bounding boxes of the source and target elements source_box = data['boxes'][source_idx] target_box = data['boxes'][target_idx] # Get the midpoints of the source element source_mid_x = (source_box[0] + source_box[2]) / 2 source_mid_y = (source_box[1] + source_box[3]) / 2 # Check if the connection involves a pool if source_element == 'pool': pool_box = source_box element_box = (target_box[0], target_box[1], target_box[0]+size[target_element][0], target_box[1]+size[target_element][1]) element_mid_x = (element_box[0] + element_box[2]) / 2 element_mid_y = (element_box[1] + element_box[3]) / 2 # Connect the pool's bottom or top side to the target element's top or bottom center if pool_box[3] < element_box[1]: # Pool is above the target element waypoints = [(element_mid_x, pool_box[3]-50), (element_mid_x, element_box[1])] else: # Pool is below the target element waypoints = [(element_mid_x, element_box[3]), (element_mid_x, pool_box[1]-50)] else: pool_box = target_box element_box = (source_box[0], source_box[1], source_box[0]+size[source_element][0], source_box[1]+size[source_element][1]) element_mid_x = (element_box[0] + element_box[2]) / 2 element_mid_y = (element_box[1] + element_box[3]) / 2 # Connect the element's bottom or top center to the pool's top or bottom side if pool_box[3] < element_box[1]: # Pool is above the target element waypoints = [(element_mid_x, element_box[1]), (element_mid_x, pool_box[3]-50)] else: # Pool is below the target element waypoints = [(element_mid_x, element_box[3]), (element_mid_x, pool_box[1]-50)] return waypoints def calculate_waypoints(data, size, current_idx, source_id, target_id): best_points = data['best_points'][current_idx] pos_source = best_points[0] pos_target = best_points[1] source_idx = data['BPMN_id'].index(source_id) target_idx = data['BPMN_id'].index(target_id) name_source = source_id.split('_')[0] name_target = target_id.split('_')[0] #Get the position of the source and target source_x, source_y = data['boxes'][source_idx][:2] target_x, target_y = data['boxes'][target_idx][:2] if pos_source == 'left': source_x = source_x source_y += size[name_source][1]/2 elif pos_source == 'right': source_x += size[name_source][0] source_y += size[name_source][1]/2 elif pos_source == 'top': source_x += size[name_source][0]/2 source_y = source_y elif pos_source == 'bottom': source_x += size[name_source][0]/2 source_y += size[name_source][1] if pos_target == 'left': target_x = target_x target_y += size[name_target][1]/2 elif pos_target == 'right': target_x += size[name_target][0] target_y += size[name_target][1]/2 elif pos_target == 'top': target_x += size[name_target][0]/2 target_y = target_y elif pos_target == 'bottom': target_x += size[name_target][0]/2 target_y += size[name_target][1] return [(source_x, source_y), (target_x, target_y)] def create_flow_element(bpmn, text_mapping, idx, size, data, parent, message=False): source_idx, target_idx = data['links'][idx] source_id, target_id = data['BPMN_id'][source_idx], data['BPMN_id'][target_idx] if message: element_id = f'messageflow_{source_id}_{target_id}' else: element_id = f'sequenceflow_{source_id}_{target_id}' if source_id.split('_')[0] == 'pool' or target_id.split('_')[0] == 'pool': waypoints = calculate_pool_waypoints(idx, data, size, source_idx, target_idx, source_id.split('_')[0], target_id.split('_')[0]) #waypoints = data['best_points'][idx] if source_id.split('_')[0] == 'pool': source_id = f"participant_{source_id.split('_')[1]}" if target_id.split('_')[0] == 'pool': target_id = f"participant_{target_id.split('_')[1]}" else: waypoints = calculate_waypoints(data, size, idx, source_id, target_id) #waypoints = data['best_points'][idx] #waypoints = data['best_points'][idx] if message: element = ET.SubElement(parent, 'bpmn:messageFlow', id=element_id, sourceRef=source_id, targetRef=target_id, name=text_mapping[data['BPMN_id'][idx]]) else: element = ET.SubElement(parent, 'bpmn:sequenceFlow', id=element_id, sourceRef=source_id, targetRef=target_id, name=text_mapping[data['BPMN_id'][idx]]) add_diagram_edge(bpmn, element_id, waypoints)