+package org.argeo.cms.e4.monitoring;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.PostConstruct;
+
+import org.argeo.cms.ux.widgets.TreeParent;
+import org.eclipse.e4.ui.di.Focus;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Composite;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+
+/** The OSGi runtime from a module perspective. */
+public class ModulesView {
+ private final static BundleContext bc = FrameworkUtil.getBundle(ModulesView.class).getBundleContext();
+ private TreeViewer viewer;
+
+ @PostConstruct
+ public void createPartControl(Composite parent) {
+ viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
+ viewer.setContentProvider(new ModulesContentProvider());
+ viewer.setLabelProvider(new ModulesLabelProvider());
+ viewer.setInput(bc);
+ }
+
+ @Focus
+ public void setFocus() {
+ viewer.getTree().setFocus();
+ }
+
+ private class ModulesContentProvider implements ITreeContentProvider {
+ private static final long serialVersionUID = 3819934804640641721L;
+
+ public Object[] getElements(Object inputElement) {
+ return getChildren(inputElement);
+ }
+
+ public Object[] getChildren(Object parentElement) {
+ if (parentElement instanceof BundleContext) {
+ BundleContext bundleContext = (BundleContext) parentElement;
+ Bundle[] bundles = bundleContext.getBundles();
+
+ List<BundleNode> modules = new ArrayList<BundleNode>();
+ for (Bundle bundle : bundles) {
+ if (bundle.getState() == Bundle.ACTIVE)
+ modules.add(new BundleNode(bundle, true));
+ }
+ return modules.toArray();
+ } else if (parentElement instanceof TreeParent) {
+ return ((TreeParent) parentElement).getChildren();
+ } else {
+ return null;
+ }
+ }
+
+ public Object getParent(Object element) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public boolean hasChildren(Object element) {
+ if (element instanceof TreeParent) {
+ return ((TreeParent) element).hasChildren();
+ }
+ return false;
+ }
+
+ public void dispose() {
+ }
+
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+ }
+ }
+
+ private class ModulesLabelProvider extends StateLabelProvider {
+ private static final long serialVersionUID = 5290046145534824722L;
+
+ @Override
+ public String getText(Object element) {
+ if (element instanceof BundleNode)
+ return element.toString() + " [" + ((BundleNode) element).getBundle().getBundleId() + "]";
+ return element.toString();
+ }
+ }
+}