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import {
buildFieldExtensionNode,
buildFormPropertyNode,
buildIOParameterNode,
buildListenerNode,
buildMultiInstanceNode,
} from './xmlBuilders';
import { BPMN_MODEL_NAMESPACE, XSI_NAMESPACE } from './constants';
import {
appendPreservedExtensionElements,
createElementFromFragment,
ensureExtensionElements,
hasMeaningfulChildren,
reconcileManagedCollection,
} from './managedCollections';
import {
patchExceptionMapNode,
patchFieldExtensionNode,
patchFormPropertyNode,
patchIoParameterNode,
patchListenerNode,
setOptionalAttribute,
} from './patchingHelpers';
import { type FlowableElementState, FLOWABLE_ATTRIBUTE_KEYS } from '../types';
import {
detachNode,
escapeXml,
findDirectChild,
getElementChildren,
getNodeDocument,
isActivitiElement,
removeActivitiAttribute,
replaceNode,
setActivitiAttribute,
setTextContentPreservingComments,
} from './xmlUtils';
function applyEditableActivitiAttributes(element: XmlElement, elementState: FlowableElementState): void {
for (const key of FLOWABLE_ATTRIBUTE_KEYS) {
element.removeAttribute(key);
const value = elementState.activitiAttributes[key]?.trim();
if (value) {
setActivitiAttribute(element, key, value);
continue;
}
removeActivitiAttribute(element, key);
}
}
function applyPreservedAttributes(element: XmlElement, elementState: FlowableElementState): void {
for (const [attributeName, value] of Object.entries(elementState.preservedAttributes)) {
if (!element.hasAttribute(attributeName)) {
element.setAttribute(attributeName, value);
}
}
}
function countManagedExtensionItems(elementState: FlowableElementState): number {
return elementState.fieldExtensions.length
+ elementState.inputParameters.length
+ elementState.outputParameters.length
+ elementState.taskListeners.length
+ elementState.executionListeners.length
+ elementState.formProperties.length
+ elementState.exceptionMaps.length
+ elementState.preservedExtensionElements.length
+ (elementState.failedJobRetryTimeCycle ? 1 : 0);
}
function buildRetryItems(elementState: FlowableElementState): Array<{ xmlIdentity: string; value: string }> {
if (!elementState.failedJobRetryTimeCycle) {
return [];
}
return [{
xmlIdentity: 'failedJobRetryTimeCycle:http://activiti.org/bpmn:failedJobRetryTimeCycle:0',
value: elementState.failedJobRetryTimeCycle,
}];
}
function buildExceptionMapFragment(item: FlowableElementState['exceptionMaps'][number]): string {
const errorCodeAttribute = item.errorCode ? ` errorCode="${escapeXml(item.errorCode)}"` : '';
const includeChildAttribute = item.includeChildExceptions ? ' includeChildExceptions="true"' : '';
return `<activiti:mapException${errorCodeAttribute}${includeChildAttribute}>${escapeXml(item.className)}</activiti:mapException>`;
}
function reconcileExtensionElements(
extensionElements: XmlElement,
elementState: FlowableElementState,
namespaces: Record<string, string>,
): void {
reconcileManagedCollection(extensionElements, elementState.fieldExtensions, {
isManagedNode: (node) => isActivitiElement(node, 'field'),
createNode: (item) => createElementFromFragment(extensionElements, buildFieldExtensionNode(item), namespaces),
patchNode: (node, item) => patchFieldExtensionNode(node, item, namespaces),
matchFallback: (node, item) => node.getAttribute('name') === item.name,
});
reconcileManagedCollection(extensionElements, elementState.inputParameters, {
isManagedNode: (node) => isActivitiElement(node, 'in'),
createNode: (item) => createElementFromFragment(extensionElements, buildIOParameterNode('activiti:in', item), namespaces),
patchNode: patchIoParameterNode,
matchFallback: (node, item) => node.getAttribute('target') === item.target,
});
reconcileManagedCollection(extensionElements, elementState.outputParameters, {
isManagedNode: (node) => isActivitiElement(node, 'out'),
createNode: (item) => createElementFromFragment(extensionElements, buildIOParameterNode('activiti:out', item), namespaces),
patchNode: patchIoParameterNode,
matchFallback: (node, item) => node.getAttribute('target') === item.target,
});
reconcileManagedCollection(extensionElements, elementState.taskListeners, {
isManagedNode: (node) => isActivitiElement(node, 'taskListener'),
createNode: (item) => createElementFromFragment(extensionElements, buildListenerNode('activiti:taskListener', item), namespaces),
patchNode: patchListenerNode,
matchFallback: (node, item) => node.getAttribute('event') === item.event,
});
reconcileManagedCollection(extensionElements, elementState.executionListeners, {
isManagedNode: (node) => isActivitiElement(node, 'executionListener'),
createNode: (item) => createElementFromFragment(extensionElements, buildListenerNode('activiti:executionListener', item), namespaces),
patchNode: patchListenerNode,
matchFallback: (node, item) => node.getAttribute('event') === item.event,
});
reconcileManagedCollection(extensionElements, elementState.formProperties, {
isManagedNode: (node) => isActivitiElement(node, 'formProperty'),
createNode: (item) => createElementFromFragment(extensionElements, buildFormPropertyNode(item), namespaces),
patchNode: patchFormPropertyNode,
matchFallback: (node, item) => node.getAttribute('id') === item.id,
});
reconcileManagedCollection(extensionElements, buildRetryItems(elementState), {
isManagedNode: (node) => isActivitiElement(node, 'failedJobRetryTimeCycle'),
createNode: (item) => createElementFromFragment(
extensionElements,
`<activiti:failedJobRetryTimeCycle>${escapeXml(item.value)}</activiti:failedJobRetryTimeCycle>`,
namespaces,
),
patchNode: (node, item) => setTextContentPreservingComments(node, item.value),
});
reconcileManagedCollection(extensionElements, elementState.exceptionMaps, {
isManagedNode: (node) => isActivitiElement(node, 'mapException'),
createNode: (item) => createElementFromFragment(extensionElements, buildExceptionMapFragment(item), namespaces),
patchNode: patchExceptionMapNode,
matchFallback: (node, item) => node.textContent === item.className,
});
appendPreservedExtensionElements(extensionElements, elementState.preservedExtensionElements, namespaces);
}
function syncExtensionElements(
element: XmlElement,
elementState: FlowableElementState,
namespaces: Record<string, string>,
): void {
let extensionElements = findDirectChild(element, 'extensionElements');
if (countManagedExtensionItems(elementState) > 0) {
extensionElements = ensureExtensionElements(element);
}
if (!extensionElements) {
return;
}
reconcileExtensionElements(extensionElements, elementState, namespaces);
if (!hasMeaningfulChildren(extensionElements)) {
detachNode(extensionElements);
}
}
function prependChild(parent: XmlElement, child: XmlElement): void {
Eif (parent.firstChild) {
parent.insertBefore(child, parent.firstChild);
return;
}
parent.appendChild(child);
}
function syncDocumentation(
element: XmlElement,
elementState: FlowableElementState,
originalElementState: FlowableElementState | undefined,
): void {
const existingDocumentation = findDirectChild(element, 'documentation');
if (!elementState.documentation) {
Iif (existingDocumentation) {
detachNode(existingDocumentation);
}
return;
}
const documentation = existingDocumentation || getNodeDocument(element).createElementNS(BPMN_MODEL_NAMESPACE, 'documentation');
const documentationChanged = elementState.documentation !== (originalElementState?.documentation || '');
if (documentationChanged || !existingDocumentation) {
setTextContentPreservingComments(documentation, elementState.documentation);
}
if (!existingDocumentation) {
prependChild(element, documentation);
}
}
function syncConditionExpression(
element: XmlElement,
elementState: FlowableElementState,
originalElementState: FlowableElementState | undefined,
): void {
const existingCondition = findDirectChild(element, 'conditionExpression');
if (!elementState.conditionExpression) {
if (existingCondition) {
detachNode(existingCondition);
}
return;
}
const condition = existingCondition || getNodeDocument(element).createElementNS(BPMN_MODEL_NAMESPACE, 'conditionExpression');
condition.setAttributeNS(XSI_NAMESPACE, 'xsi:type', 'tFormalExpression');
const conditionChanged = elementState.conditionExpression !== (originalElementState?.conditionExpression || '');
if (conditionChanged || !existingCondition) {
setTextContentPreservingComments(condition, elementState.conditionExpression);
}
if (!existingCondition) {
element.appendChild(condition);
}
}
function syncScript(
element: XmlElement,
elementState: FlowableElementState,
originalElementState: FlowableElementState | undefined,
): void {
const existingScript = findDirectChild(element, 'script');
if (!elementState.script) {
Iif (existingScript) {
detachNode(existingScript);
}
return;
}
const script = existingScript || getNodeDocument(element).createElementNS(BPMN_MODEL_NAMESPACE, 'script');
const scriptChanged = elementState.script !== (originalElementState?.script || '');
if (scriptChanged || !existingScript) {
setTextContentPreservingComments(script, elementState.script);
}
Iif (!existingScript) {
element.appendChild(script);
}
}
function syncMultiInstance(element: XmlElement, elementState: FlowableElementState, namespaces: Record<string, string>): void {
const existingMultiInstance = findDirectChild(element, 'multiInstanceLoopCharacteristics');
if (elementState.multiInstance) {
const replacement = createElementFromFragment(element, buildMultiInstanceNode(elementState.multiInstance), namespaces);
Eif (existingMultiInstance) {
replaceNode(existingMultiInstance, replacement);
return;
}
element.appendChild(replacement);
return;
}
if (existingMultiInstance && elementState.multiInstance === null) {
detachNode(existingMultiInstance);
}
}
function syncTimerDefinition(
element: XmlElement,
elementState: FlowableElementState,
originalElementState: FlowableElementState | undefined,
): void {
const existingTimerDefinition = findDirectChild(element, 'timerEventDefinition');
if (!elementState.timerDefinition?.value) {
Iif (existingTimerDefinition && originalElementState?.timerDefinition) {
detachNode(existingTimerDefinition);
}
return;
}
const timerDefinition = existingTimerDefinition || getNodeDocument(element).createElementNS(BPMN_MODEL_NAMESPACE, 'timerEventDefinition');
for (const child of getElementChildren(timerDefinition)) {
detachNode(child);
}
const timerChild = getNodeDocument(element).createElementNS(BPMN_MODEL_NAMESPACE, elementState.timerDefinition.type);
setTextContentPreservingComments(timerChild, elementState.timerDefinition.value);
timerDefinition.appendChild(timerChild);
Iif (!existingTimerDefinition) {
element.appendChild(timerDefinition);
}
}
function syncEventDefinitionAttributes(element: XmlElement, elementState: FlowableElementState): void {
const existingErrorDefinition = findDirectChild(element, 'errorEventDefinition');
if (existingErrorDefinition) {
setOptionalAttribute(existingErrorDefinition, 'errorRef', elementState.errorRef);
}
const existingSignalDefinition = findDirectChild(element, 'signalEventDefinition');
if (existingSignalDefinition) {
setOptionalAttribute(existingSignalDefinition, 'signalRef', elementState.signalRef);
}
const existingMessageDefinition = findDirectChild(element, 'messageEventDefinition');
if (existingMessageDefinition) {
setOptionalAttribute(existingMessageDefinition, 'messageRef', elementState.messageRef);
}
const existingTerminateDefinition = findDirectChild(element, 'terminateEventDefinition');
if (existingTerminateDefinition) {
if (elementState.terminateAll === 'true') {
setActivitiAttribute(existingTerminateDefinition, 'terminateAll', 'true');
} else {
removeActivitiAttribute(existingTerminateDefinition, 'terminateAll');
}
}
const existingCompensateDefinition = findDirectChild(element, 'compensateEventDefinition');
if (existingCompensateDefinition) {
setOptionalAttribute(existingCompensateDefinition, 'activityRef', elementState.compensateActivityRef);
}
}
function syncCompensationAttribute(element: XmlElement, elementState: FlowableElementState): void {
if (elementState.isForCompensation === 'true') {
element.setAttribute('isForCompensation', 'true');
return;
}
element.removeAttribute('isForCompensation');
}
export function applyElementOverlay(
element: XmlElement,
elementState: FlowableElementState,
originalElementState: FlowableElementState | undefined,
namespaces: Record<string, string>,
): void {
applyEditableActivitiAttributes(element, elementState);
applyPreservedAttributes(element, elementState);
syncExtensionElements(element, elementState, namespaces);
syncDocumentation(element, elementState, originalElementState);
syncConditionExpression(element, elementState, originalElementState);
syncScript(element, elementState, originalElementState);
syncMultiInstance(element, elementState, namespaces);
syncTimerDefinition(element, elementState, originalElementState);
syncEventDefinitionAttributes(element, elementState);
syncCompensationAttribute(element, elementState);
}
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