bpmn-js/lib/features/modeling/LabelSupport.js

59 lines
1.4 KiB
JavaScript

'use strict';
var _ = require('lodash');
var LabelUtil = require('../../util/Label');
var hasExternalLabel = LabelUtil.hasExternalLabel,
getExternalLabelMid = LabelUtil.getExternalLabelMid;
function LabelSupport(eventBus, modeling, bpmnFactory) {
eventBus.on([
'commandStack.shape.create.postExecute',
'commandStack.connection.create.postExecute'
], function(e) {
var context = e.context;
var element = context.shape || context.connection,
businessObject = element.businessObject;
var position;
if (hasExternalLabel(businessObject)) {
position = getExternalLabelMid(element);
modeling.createLabel(element, position, {
id: businessObject.id + '_label',
businessObject: businessObject
});
}
});
eventBus.on([
'commandStack.label.create.executed',
'commandStack.label.moved.executed'
], function(e) {
var element = e.context.shape,
businessObject = element.businessObject,
di = businessObject.di;
if (!di.label) {
di.label = bpmnFactory.create('bpmndi:BPMNLabel', {
bounds: bpmnFactory.create('dc:Bounds')
});
}
_.extend(di.label.bounds, {
x: element.x,
y: element.y,
width: element.width,
height: element.height
});
});
}
LabelSupport.$inject = [ 'eventBus', 'modeling', 'bpmnFactory' ];
module.exports = LabelSupport;