bpmn-js/lib/features/modeling/behavior/CopyPasteBehavior.js

71 lines
1.8 KiB
JavaScript

import inherits from 'inherits';
import {
forEach
} from 'min-dash';
import { is } from '../../../util/ModelUtil';
import CommandInterceptor from 'diagram-js/lib/command/CommandInterceptor';
export default function CopyPasteBehavior(eventBus, modeling, canvas) {
CommandInterceptor.call(this, eventBus);
this.preExecute('elements.paste', 1500, function(context) {
var topParent = context.topParent;
// always grab the latest root
if (!topParent.parent) {
context.topParent = canvas.getRootElement();
}
if (is(topParent, 'bpmn:Lane')) {
do {
// unwrap Lane -> LaneSet -> (Lane | FlowElementsContainer)
topParent = context.topParent = topParent.parent;
} while (is(topParent, 'bpmn:Lane') || !is(topParent, 'bpmn:Participant'));
}
}, true);
this.postExecute('elements.paste', function(context) {
var tree = context.tree,
createdElements = tree.createdElements;
forEach(createdElements, function(data) {
var element = data.element,
businessObject = element.businessObject,
descriptor = data.descriptor,
defaultFlow;
if ((is(businessObject, 'bpmn:ExclusiveGateway') || is(businessObject, 'bpmn:InclusiveGateway') ||
is(businessObject, 'bpmn:Activity')) && descriptor.default) {
defaultFlow = createdElements[descriptor.default];
// if the default flow wasn't created, means that it wasn't copied
if (defaultFlow) {
defaultFlow = defaultFlow.element;
} else {
defaultFlow = undefined;
}
delete element.default;
modeling.updateProperties(element, { default: defaultFlow });
}
});
}, true);
}
CopyPasteBehavior.$inject = [
'eventBus',
'modeling',
'canvas'
];
inherits(CopyPasteBehavior, CommandInterceptor);