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| import {
pick,
assign,
filter,
has
} from 'min-dash';
import {
is,
getBusinessObject
} from '../../util/ModelUtil';
import {
isAny
} from '../modeling/util/ModelingUtil';
import {
isExpanded,
isEventSubProcess
} from '../../util/DiUtil';
import {
getProperties,
IGNORED_PROPERTIES
} from '../../util/model/ModelCloneUtils';
import ModelCloneHelper from '../../util/model/ModelCloneHelper';
var CUSTOM_PROPERTIES = [
'cancelActivity',
'instantiate',
'eventGatewayType',
'triggeredByEvent',
'isInterrupting'
];
function toggeling(element, target) {
var oldCollapsed = (
element && has(element, 'collapsed') ? element.collapsed : !isExpanded(element)
);
var targetCollapsed;
if (target && (has(target, 'collapsed') || has(target, 'isExpanded'))) {
// property is explicitly set so use it
targetCollapsed = (
has(target, 'collapsed') ? target.collapsed : !target.isExpanded
);
} else {
// keep old state
targetCollapsed = oldCollapsed;
}
if (oldCollapsed !== targetCollapsed) {
element.collapsed = oldCollapsed;
return true;
}
return false;
}
/**
* This module takes care of replacing BPMN elements
*/
export default function BpmnReplace(
bpmnFactory, replace, selection,
modeling, eventBus) {
var helper = new ModelCloneHelper(eventBus, bpmnFactory);
/**
* Prepares a new business object for the replacement element
* and triggers the replace operation.
*
* @param {djs.model.Base} element
* @param {Object} target
* @param {Object} [hints]
*
* @return {djs.model.Base} the newly created element
*/
function replaceElement(element, target, hints) {
hints = hints || {};
var type = target.type,
oldBusinessObject = element.businessObject;
if (isSubProcess(oldBusinessObject)) {
if (type === 'bpmn:SubProcess') {
if (toggeling(element, target)) {
// expanding or collapsing process
modeling.toggleCollapse(element);
return element;
}
}
}
var newBusinessObject = bpmnFactory.create(type);
var newElement = {
type: type,
businessObject: newBusinessObject
};
var elementProps = getProperties(oldBusinessObject.$descriptor),
newElementProps = getProperties(newBusinessObject.$descriptor, true),
copyProps = intersection(elementProps, newElementProps);
// initialize special properties defined in target definition
assign(newBusinessObject, pick(target, CUSTOM_PROPERTIES));
var properties = filter(copyProps, function(property) {
var propName = property.replace(/bpmn:/, '');
// copying event definitions, unless we replace
if (propName === 'eventDefinitions') {
return hasEventDefinition(element, target.eventDefinitionType);
}
// retain loop characteristics if the target element
// is not an event sub process
if (propName === 'loopCharacteristics') {
return !isEventSubProcess(newBusinessObject);
}
// so the applied properties from 'target' don't get lost
Iif (property in newBusinessObject) {
return false;
}
if (propName === 'processRef' && target.isExpanded === false) {
return false;
}
if (propName === 'triggeredByEvent') {
return false;
}
return IGNORED_PROPERTIES.indexOf(propName) === -1;
});
newBusinessObject = helper.clone(oldBusinessObject, newBusinessObject, properties);
// initialize custom BPMN extensions
if (target.eventDefinitionType) {
// only initialize with new eventDefinition
// if we did not set an event definition yet,
// i.e. because we cloned it
if (!hasEventDefinition(newBusinessObject, target.eventDefinitionType)) {
newElement.eventDefinitionType = target.eventDefinitionType;
}
}
if (is(oldBusinessObject, 'bpmn:Activity')) {
if (isSubProcess(oldBusinessObject)) {
// no toggeling, so keep old state
newElement.isExpanded = isExpanded(oldBusinessObject);
}
// else if property is explicitly set, use it
else if (target && has(target, 'isExpanded')) {
newElement.isExpanded = target.isExpanded;
}
// TODO: need also to respect min/max Size
// copy size, from an expanded subprocess to an expanded alternative subprocess
// except bpmn:Task, because Task is always expanded
if ((isExpanded(oldBusinessObject) && !is(oldBusinessObject, 'bpmn:Task')) && newElement.isExpanded) {
newElement.width = element.width;
newElement.height = element.height;
}
}
// remove children if not expanding sub process
if (isSubProcess(oldBusinessObject) && !isSubProcess(newBusinessObject)) {
hints.moveChildren = false;
}
// transform collapsed/expanded pools
if (is(oldBusinessObject, 'bpmn:Participant')) {
// create expanded pool
if (target.isExpanded === true) {
newBusinessObject.processRef = bpmnFactory.create('bpmn:Process');
} else {
// remove children when transforming to collapsed pool
hints.moveChildren = false;
}
// apply same size
newElement.width = element.width;
newElement.height = element.height;
}
newBusinessObject.name = oldBusinessObject.name;
// retain default flow's reference between inclusive <-> exclusive gateways and activities
if (
isAny(oldBusinessObject, [
'bpmn:ExclusiveGateway',
'bpmn:InclusiveGateway',
'bpmn:Activity'
]) &&
isAny(newBusinessObject, [
'bpmn:ExclusiveGateway',
'bpmn:InclusiveGateway',
'bpmn:Activity'
])
) {
newBusinessObject.default = oldBusinessObject.default;
}
if ('fill' in oldBusinessObject.di || 'stroke' in oldBusinessObject.di) {
assign(newElement, { colors: pick(oldBusinessObject.di, [ 'fill', 'stroke' ]) });
}
newElement = replace.replaceElement(element, newElement, hints);
if (hints.select !== false) {
selection.select(newElement);
}
return newElement;
}
this.replaceElement = replaceElement;
}
BpmnReplace.$inject = [
'bpmnFactory',
'replace',
'selection',
'modeling',
'eventBus'
];
function isSubProcess(bo) {
return is(bo, 'bpmn:SubProcess');
}
function hasEventDefinition(element, type) {
var bo = getBusinessObject(element);
return type && bo.get('eventDefinitions').some(function(definition) {
return is(definition, type);
});
}
/**
* Compute intersection between two arrays.
*/
function intersection(a1, a2) {
return a1.filter(function(el) {
return a2.indexOf(el) !== -1;
});
} |