public static void writeBPMNDI(BpmnModel model, XMLStreamWriter xtw) throws Exception {
// BPMN DI information
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_DIAGRAM, BPMNDI_NAMESPACE);
String processId = null;
if (model.getPools().size() > 0) {
processId = "Collaboration";
} else {
processId = model.getMainProcess().getId();
}
xtw.writeAttribute(ATTRIBUTE_ID, "BPMNDiagram_" + processId);
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_PLANE, BPMNDI_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_BPMNELEMENT, processId);
xtw.writeAttribute(ATTRIBUTE_ID, "BPMNPlane_" + processId);
// System.out.println("DI EXPORT");
for (String elementId : model.getLocationMap().keySet()) {
if (model.getFlowElement(elementId) != null
|| model.getArtifact(elementId) != null
|| model.getPool(elementId) != null
|| model.getLane(elementId) != null) {
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_SHAPE, BPMNDI_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_BPMNELEMENT, elementId);
xtw.writeAttribute(ATTRIBUTE_ID, "BPMNShape_" + elementId);
GraphicInfo graphicInfo = model.getGraphicInfo(elementId);
FlowElement flowElement = model.getFlowElement(elementId);
if (flowElement != null
&& flowElement instanceof SubProcess
&& graphicInfo.getExpanded() != null) {
xtw.writeAttribute(ATTRIBUTE_DI_IS_EXPANDED, String.valueOf(graphicInfo.getExpanded()));
}
if (flowElement == null) {
boolean foundLane = false;
for (Pool pool : model.getPools()) {
if (foundLane) {
break;
}
if (elementId.equals(pool.getId())) {
if (graphicInfo.getHorizontal() != null) {
xtw.writeAttribute(
ATTRIBUTE_DI_IS_HORIZONTAL, String.valueOf(graphicInfo.getHorizontal()));
}
} else {
Process process = model.getProcess(pool.getId());
if (process != null) {
for (Lane lane : process.getLanes()) {
if (elementId.equals(lane.getId())) {
foundLane = true;
if (graphicInfo.getHorizontal() != null) {
xtw.writeAttribute(
ATTRIBUTE_DI_IS_HORIZONTAL, String.valueOf(graphicInfo.getHorizontal()));
}
break;
}
}
}
}
}
}
xtw.writeStartElement(OMGDC_PREFIX, ELEMENT_DI_BOUNDS, OMGDC_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_HEIGHT, "" + graphicInfo.getHeight());
xtw.writeAttribute(ATTRIBUTE_DI_WIDTH, "" + graphicInfo.getWidth());
xtw.writeAttribute(ATTRIBUTE_DI_X, "" + graphicInfo.getX());
xtw.writeAttribute(ATTRIBUTE_DI_Y, "" + graphicInfo.getY());
xtw.writeEndElement();
xtw.writeEndElement();
}
}
for (String elementId : model.getFlowLocationMap().keySet()) {
if (model.getFlowElement(elementId) != null || model.getArtifact(elementId) != null) {
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_EDGE, BPMNDI_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_BPMNELEMENT, elementId);
xtw.writeAttribute(ATTRIBUTE_ID, "BPMNEdge_" + elementId);
List<GraphicInfo> graphicInfoList = model.getFlowLocationGraphicInfo(elementId);
for (GraphicInfo graphicInfo : graphicInfoList) {
xtw.writeStartElement(OMGDI_PREFIX, ELEMENT_DI_WAYPOINT, OMGDI_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_X, "" + graphicInfo.getX());
xtw.writeAttribute(ATTRIBUTE_DI_Y, "" + graphicInfo.getY());
xtw.writeEndElement();
}
GraphicInfo labelGraphicInfo = model.getLabelGraphicInfo(elementId);
FlowElement flowElement = model.getFlowElement(elementId);
if (labelGraphicInfo != null
&& flowElement != null
&& StringUtils.isNotEmpty(flowElement.getName())) {
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_LABEL, BPMNDI_NAMESPACE);
xtw.writeStartElement(OMGDC_PREFIX, ELEMENT_DI_BOUNDS, OMGDC_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_HEIGHT, "" + labelGraphicInfo.getHeight());
xtw.writeAttribute(ATTRIBUTE_DI_WIDTH, "" + labelGraphicInfo.getWidth());
xtw.writeAttribute(ATTRIBUTE_DI_X, "" + labelGraphicInfo.getX());
xtw.writeAttribute(ATTRIBUTE_DI_Y, "" + labelGraphicInfo.getY());
xtw.writeEndElement();
xtw.writeEndElement();
}
xtw.writeEndElement();
}
}
// end BPMN DI elements
xtw.writeEndElement();
xtw.writeEndElement();
}
protected Point getMinXAndMinY(BpmnModel bpmnModel) {
// We need to calculate maximum values to know how big the image will be in its entirety
double theMinX = java.lang.Double.MAX_VALUE;
double theMaxX = 0;
double theMinY = java.lang.Double.MAX_VALUE;
double theMaxY = 0;
for (Pool pool : bpmnModel.getPools()) {
GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(pool.getId());
theMinX = graphicInfo.getX();
theMaxX = graphicInfo.getX() + graphicInfo.getWidth();
theMinY = graphicInfo.getY();
theMaxY = graphicInfo.getY() + graphicInfo.getHeight();
}
List<FlowNode> flowNodes = gatherAllFlowNodes(bpmnModel);
for (FlowNode flowNode : flowNodes) {
GraphicInfo flowNodeGraphicInfo = bpmnModel.getGraphicInfo(flowNode.getId());
// width
if ((flowNodeGraphicInfo.getX() + flowNodeGraphicInfo.getWidth()) > theMaxX) {
theMaxX = flowNodeGraphicInfo.getX() + flowNodeGraphicInfo.getWidth();
}
if (flowNodeGraphicInfo.getX() < theMinX) {
theMinX = flowNodeGraphicInfo.getX();
}
// height
if ((flowNodeGraphicInfo.getY() + flowNodeGraphicInfo.getHeight()) > theMaxY) {
theMaxY = flowNodeGraphicInfo.getY() + flowNodeGraphicInfo.getHeight();
}
if (flowNodeGraphicInfo.getY() < theMinY) {
theMinY = flowNodeGraphicInfo.getY();
}
for (SequenceFlow sequenceFlow : flowNode.getOutgoingFlows()) {
List<GraphicInfo> graphicInfoList =
bpmnModel.getFlowLocationGraphicInfo(sequenceFlow.getId());
for (GraphicInfo graphicInfo : graphicInfoList) {
// width
if (graphicInfo.getX() > theMaxX) {
theMaxX = graphicInfo.getX();
}
if (graphicInfo.getX() < theMinX) {
theMinX = graphicInfo.getX();
}
// height
if (graphicInfo.getY() > theMaxY) {
theMaxY = graphicInfo.getY();
}
if (graphicInfo.getY() < theMinY) {
theMinY = graphicInfo.getY();
}
}
}
}
List<Artifact> artifacts = gatherAllArtifacts(bpmnModel);
for (Artifact artifact : artifacts) {
GraphicInfo artifactGraphicInfo = bpmnModel.getGraphicInfo(artifact.getId());
if (artifactGraphicInfo != null) {
// width
if ((artifactGraphicInfo.getX() + artifactGraphicInfo.getWidth()) > theMaxX) {
theMaxX = artifactGraphicInfo.getX() + artifactGraphicInfo.getWidth();
}
if (artifactGraphicInfo.getX() < theMinX) {
theMinX = artifactGraphicInfo.getX();
}
// height
if ((artifactGraphicInfo.getY() + artifactGraphicInfo.getHeight()) > theMaxY) {
theMaxY = artifactGraphicInfo.getY() + artifactGraphicInfo.getHeight();
}
if (artifactGraphicInfo.getY() < theMinY) {
theMinY = artifactGraphicInfo.getY();
}
}
List<GraphicInfo> graphicInfoList = bpmnModel.getFlowLocationGraphicInfo(artifact.getId());
if (graphicInfoList != null) {
for (GraphicInfo graphicInfo : graphicInfoList) {
// width
if (graphicInfo.getX() > theMaxX) {
theMaxX = graphicInfo.getX();
}
if (graphicInfo.getX() < theMinX) {
theMinX = graphicInfo.getX();
}
// height
if (graphicInfo.getY() > theMaxY) {
theMaxY = graphicInfo.getY();
}
if (graphicInfo.getY() < theMinY) {
theMinY = graphicInfo.getY();
}
}
}
}
int nrOfLanes = 0;
for (org.activiti.bpmn.model.Process process : bpmnModel.getProcesses()) {
for (Lane l : process.getLanes()) {
nrOfLanes++;
GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(l.getId());
// // width
if ((graphicInfo.getX() + graphicInfo.getWidth()) > theMaxX) {
theMaxX = graphicInfo.getX() + graphicInfo.getWidth();
}
if (graphicInfo.getX() < theMinX) {
theMinX = graphicInfo.getX();
}
// height
if ((graphicInfo.getY() + graphicInfo.getHeight()) > theMaxY) {
theMaxY = graphicInfo.getY() + graphicInfo.getHeight();
}
if (graphicInfo.getY() < theMinY) {
theMinY = graphicInfo.getY();
}
}
}
// Special case, see http://jira.codehaus.org/browse/ACT-1431
if ((flowNodes.size() == 0) && (bpmnModel.getPools().size() == 0) && (nrOfLanes == 0)) {
// Nothing to show
theMinX = 0;
theMinY = 0;
}
return new Point((int) theMinX, (int) theMinY);
}