protected void addProcessImage() {
ProcessDefinitionEntity processDefinitionEntity =
(ProcessDefinitionEntity)
((RepositoryServiceImpl) repositoryService)
.getDeployedProcessDefinition(processDefinition.getId());
// Only show when graphical notation is defined
if (processDefinitionEntity != null) {
boolean didDrawImage = false;
if (ExplorerApp.get().isUseJavascriptDiagram()) {
try {
final InputStream definitionStream =
repositoryService.getResourceAsStream(
processDefinition.getDeploymentId(), processDefinition.getResourceName());
XMLInputFactory xif = XMLInputFactory.newInstance();
XMLStreamReader xtr = xif.createXMLStreamReader(definitionStream);
BpmnModel bpmnModel = new BpmnXMLConverter().convertToBpmnModel(xtr);
if (bpmnModel.getFlowLocationMap().size() > 0) {
int maxX = 0;
int maxY = 0;
for (String key : bpmnModel.getLocationMap().keySet()) {
GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(key);
double elementX = graphicInfo.getX() + graphicInfo.getWidth();
if (maxX < elementX) {
maxX = (int) elementX;
}
double elementY = graphicInfo.getY() + graphicInfo.getHeight();
if (maxY < elementY) {
maxY = (int) elementY;
}
}
Panel imagePanel = new Panel(); // using panel for scrollbars
imagePanel.addStyleName(Reindeer.PANEL_LIGHT);
imagePanel.setWidth(100, UNITS_PERCENTAGE);
imagePanel.setHeight(100, UNITS_PERCENTAGE);
URL explorerURL = ExplorerApp.get().getURL();
URL url =
new URL(
explorerURL.getProtocol(),
explorerURL.getHost(),
explorerURL.getPort(),
explorerURL.getPath().replace("/ui", "")
+ "diagram-viewer/index.html?processDefinitionId="
+ processDefinition.getId()
+ "&processInstanceId="
+ processInstance.getId());
Embedded browserPanel = new Embedded("", new ExternalResource(url));
browserPanel.setType(Embedded.TYPE_BROWSER);
browserPanel.setWidth(maxX + 350 + "px");
browserPanel.setHeight(maxY + 220 + "px");
HorizontalLayout panelLayoutT = new HorizontalLayout();
panelLayoutT.setSizeUndefined();
imagePanel.setContent(panelLayoutT);
imagePanel.addComponent(browserPanel);
panelLayout.addComponent(imagePanel);
didDrawImage = true;
}
} catch (Exception e) {
LOGGER.error("Error loading process diagram component", e);
}
}
if (!didDrawImage && processDefinitionEntity.isGraphicalNotationDefined()) {
ProcessEngineConfiguration processEngineConfiguration =
ProcessEngines.getDefaultProcessEngine().getProcessEngineConfiguration();
ProcessDiagramGenerator diagramGenerator =
processEngineConfiguration.getProcessDiagramGenerator();
StreamResource diagram =
new ProcessDefinitionImageStreamResourceBuilder()
.buildStreamResource(
processInstance, repositoryService, runtimeService, diagramGenerator);
if (diagram != null) {
Label header = new Label(i18nManager.getMessage(Messages.PROCESS_HEADER_DIAGRAM));
header.addStyleName(ExplorerLayout.STYLE_H3);
header.addStyleName(ExplorerLayout.STYLE_DETAIL_BLOCK);
header.addStyleName(ExplorerLayout.STYLE_NO_LINE);
panelLayout.addComponent(header);
Embedded embedded = new Embedded(null, diagram);
embedded.setType(Embedded.TYPE_IMAGE);
embedded.setSizeUndefined();
Panel imagePanel = new Panel(); // using panel for scrollbars
imagePanel.setScrollable(true);
imagePanel.addStyleName(Reindeer.PANEL_LIGHT);
imagePanel.setWidth(100, UNITS_PERCENTAGE);
imagePanel.setHeight(100, UNITS_PERCENTAGE);
HorizontalLayout panelLayoutT = new HorizontalLayout();
panelLayoutT.setSizeUndefined();
imagePanel.setContent(panelLayoutT);
imagePanel.addComponent(embedded);
panelLayout.addComponent(imagePanel);
}
}
}
}
