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

126 lines
3.2 KiB
JavaScript

import inherits from 'inherits';
import { forEach } from 'min-dash';
import CommandInterceptor from 'diagram-js/lib/command/CommandInterceptor';
import { isEventSubProcess } from '../../../util/DiUtil';
/**
* BPMN-specific replace behavior.
*/
export default function ReplaceElementBehaviour(
bpmnReplace,
bpmnRules,
elementRegistry,
injector,
modeling,
selection
) {
injector.invoke(CommandInterceptor, this);
this._bpmnReplace = bpmnReplace;
this._elementRegistry = elementRegistry;
this._selection = selection;
// replace elements on create, e.g. during copy-paste
this.postExecuted([ 'elements.create' ], 500, function(event) {
var context = event.context,
target = context.parent,
elements = context.elements;
var canReplace = bpmnRules.canReplace(elements, target);
if (canReplace) {
this.replaceElements(elements, canReplace.replacements);
}
}, this);
// replace elements on move
this.postExecuted([ 'elements.move' ], 500, function(event) {
var context = event.context,
target = context.newParent,
newHost = context.newHost,
elements = [];
forEach(context.closure.topLevel, function(topLevelElements) {
if (isEventSubProcess(topLevelElements)) {
elements = elements.concat(topLevelElements.children);
} else {
elements = elements.concat(topLevelElements);
}
});
// set target to host if attaching
if (elements.length === 1 && newHost) {
target = newHost;
}
var canReplace = bpmnRules.canReplace(elements, target);
if (canReplace) {
this.replaceElements(elements, canReplace.replacements, newHost);
}
}, this);
// update attachments on host replace
this.postExecute([ 'shape.replace' ], 1500, function(e) {
var context = e.context,
oldShape = context.oldShape,
newShape = context.newShape,
attachers = oldShape.attachers,
canReplace;
if (attachers && attachers.length) {
canReplace = bpmnRules.canReplace(attachers, newShape);
this.replaceElements(attachers, canReplace.replacements);
}
}, this);
// keep ID on shape replace
this.postExecuted([ 'shape.replace' ], 1500, function(e) {
var context = e.context,
oldShape = context.oldShape,
newShape = context.newShape;
modeling.unclaimId(oldShape.businessObject.id, oldShape.businessObject);
modeling.updateProperties(newShape, { id: oldShape.id });
});
}
inherits(ReplaceElementBehaviour, CommandInterceptor);
ReplaceElementBehaviour.prototype.replaceElements = function(elements, newElements) {
var elementRegistry = this._elementRegistry,
bpmnReplace = this._bpmnReplace,
selection = this._selection;
forEach(newElements, function(replacement) {
var newElement = {
type: replacement.newElementType
};
var oldElement = elementRegistry.get(replacement.oldElementId);
var idx = elements.indexOf(oldElement);
elements[idx] = bpmnReplace.replaceElement(oldElement, newElement, { select: false });
});
if (newElements) {
selection.select(elements);
}
};
ReplaceElementBehaviour.$inject = [
'bpmnReplace',
'bpmnRules',
'elementRegistry',
'injector',
'modeling',
'selection'
];