ExtensionElementsHelper.js
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'use strict';
var cmdHelper = require('./CmdHelper'),
elementHelper = require('./ElementHelper');
var is = require('bpmn-js/lib/util/ModelUtil').is;
var ExtensionElementsHelper = {};
var getExtensionElements = function(bo) {
return bo.get('extensionElements');
};
ExtensionElementsHelper.getExtensionElements = function(bo, type) {
var extensionElements = getExtensionElements(bo);
if (typeof extensionElements !== 'undefined') {
var extensionValues = extensionElements.get('values');
if (typeof extensionValues !== 'undefined') {
var elements = extensionValues.filter(function(value) {
return is(value, type);
});
if (elements.length) {
return elements;
}
}
}
};
ExtensionElementsHelper.addEntry = function(bo, element, entry, bpmnFactory) {
var extensionElements = bo.get('extensionElements');
// if there is no extensionElements list, create one
if (!extensionElements) {
// TODO: Ask Daniel which operation costs more
extensionElements = elementHelper.createElement('bpmn:ExtensionElements', { values: [entry] }, bo, bpmnFactory);
return { extensionElements : extensionElements };
} else {
// add new failedJobRetryExtensionElement to existing extensionElements list
return cmdHelper.addElementsTolist(element, extensionElements, 'values', [entry]);
}
};
ExtensionElementsHelper.removeEntry = function(bo, element, entry) {
var extensionElements = bo.get('extensionElements');
if (!extensionElements) {
// return an empty command when there is no extensionElements list
return {};
}
return cmdHelper.removeElementsFromList(element, extensionElements, 'values', 'extensionElements', [entry]);
};
module.exports = ExtensionElementsHelper;