@Override
public IToolBehaviorProvider[] getAvailableToolBehaviorProviders() {
if (toolBehaviorProviders == null) {
DefaultBPMN2Editor editor = (DefaultBPMN2Editor) getDiagramEditor();
TargetRuntime rt = editor.getTargetRuntime();
IConfigurationElement[] config =
Platform.getExtensionRegistry().getConfigurationElementsFor(Activator.UI_EXTENSION_ID);
Bpmn2ToolBehaviorProvider provider = null;
try {
for (IConfigurationElement e : config) {
if (e.getName().equals("toolProvider")) { // $NON-NLS-1$
String id = e.getAttribute("id"); // $NON-NLS-1$
String runtimeId = e.getAttribute("runtimeId"); // $NON-NLS-1$
if (rt != null && rt.getId().equals(runtimeId)) {
String className = e.getAttribute("class"); // $NON-NLS-1$
ClassLoader cl = rt.getRuntimeExtension().getClass().getClassLoader();
Constructor ctor = null;
Class providerClass = Class.forName(className, true, cl);
ctor = providerClass.getConstructor(IDiagramTypeProvider.class);
provider = (Bpmn2ToolBehaviorProvider) ctor.newInstance(this);
break;
}
}
}
} catch (Exception ex) {
Activator.logError(ex);
}
if (provider == null) provider = new Bpmn2ToolBehaviorProvider(this);
toolBehaviorProviders = new IToolBehaviorProvider[] {provider};
}
return toolBehaviorProviders;
}
/**
* Returns the Java class that implements a Work Item Editor dialog for the given BaseElement if
* the WID file defines one.
*
* @param baseElement
* @return a Work Item Editor dialog class or null if the BaseElement is not a custom task
* (defined by a WID file) or if the WID file does declare a "eclipse:customEditor" class.
* <p>TODO: make this return an object instance and make sure it implements the {@code
* WorkEditor} interface.
*/
public static WorkEditor getWorkItemEditor(BaseElement baseElement) {
String customTaskId = CustomElementFeatureContainer.findId(baseElement);
TargetRuntime rt = TargetRuntime.getRuntime(baseElement);
JBPM5RuntimeExtension rte = (JBPM5RuntimeExtension) rt.getRuntimeExtension();
WorkItemDefinition wid = ((JBPM5RuntimeExtension) rte).getWorkItemDefinition(customTaskId);
if (wid != null) {
String customEditor = wid.getEclipseCustomEditor();
if (customEditor != null && !customEditor.isEmpty()) {
try {
Resource res = ExtendedPropertiesAdapter.getResource(baseElement);
URI uri = res.getURI();
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(uri.segment(1));
JavaProjectClassLoader cl = new JavaProjectClassLoader(project);
if (cl != null) {
return new SampleCustomEditor(Display.getDefault().getActiveShell());
}
} catch (Exception ignore) {
}
}
}
return null;
}
