legacy/argeo-commons/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/osgi/ModulesView.java

   1 package org.argeo.cms.ui.workbench.osgi;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
   7 import org.argeo.eclipse.ui.TreeParent;
   8 import org.eclipse.jface.viewers.ITreeContentProvider;
   9 import org.eclipse.jface.viewers.TreeViewer;
  10 import org.eclipse.jface.viewers.Viewer;
  11 import org.eclipse.swt.SWT;
  12 import org.eclipse.swt.widgets.Composite;
  13 import org.eclipse.ui.part.ViewPart;
  14 import org.osgi.framework.Bundle;
  15 import org.osgi.framework.BundleContext;
  16
  17 /** The OSGi runtime from a module perspective. */
  18 public class ModulesView extends ViewPart {
  19         private TreeViewer viewer;
  20
  21         @Override
  22         public void createPartControl(Composite parent) {
  23                 viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
  24                 viewer.setContentProvider(new ModulesContentProvider());
  25                 viewer.setLabelProvider(new ModulesLabelProvider());
  26                 viewer.setInput(WorkbenchUiPlugin.getDefault().getBundle()
  27                                 .getBundleContext());
  28         }
  29
  30         @Override
  31         public void setFocus() {
  32                 viewer.getTree().setFocus();
  33         }
  34
  35         private class ModulesContentProvider implements ITreeContentProvider {
  36                 private static final long serialVersionUID = 3819934804640641721L;
  37
  38                 public Object[] getElements(Object inputElement) {
  39                         return getChildren(inputElement);
  40                 }
  41
  42                 public Object[] getChildren(Object parentElement) {
  43                         if (parentElement instanceof BundleContext) {
  44                                 BundleContext bundleContext = (BundleContext) parentElement;
  45                                 Bundle[] bundles = bundleContext.getBundles();
  46
  47                                 List<BundleNode> modules = new ArrayList<BundleNode>();
  48                                 for (Bundle bundle : bundles) {
  49                                         if (bundle.getState() == Bundle.ACTIVE)
  50                                                 modules.add(new BundleNode(bundle, true));
  51                                 }
  52                                 return modules.toArray();
  53                         } else if (parentElement instanceof TreeParent) {
  54                                 return ((TreeParent) parentElement).getChildren();
  55                         } else {
  56                                 return null;
  57                         }
  58                 }
  59
  60                 public Object getParent(Object element) {
  61                         // TODO Auto-generated method stub
  62                         return null;
  63                 }
  64
  65                 public boolean hasChildren(Object element) {
  66                         if (element instanceof TreeParent) {
  67                                 return ((TreeParent) element).hasChildren();
  68                         }
  69                         return false;
  70                 }
  71
  72                 public void dispose() {
  73                 }
  74
  75                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  76                 }
  77         }
  78
  79         private class ModulesLabelProvider extends StateLabelProvider {
  80                 private static final long serialVersionUID = 5290046145534824722L;
  81
  82                 @Override
  83                 public String getText(Object element) {
  84                         if (element instanceof BundleNode)
  85                                 return element.toString() + " ["
  86                                                 + ((BundleNode) element).getBundle().getBundleId()
  87                                                 + "]";
  88                         return element.toString();
  89                 }
  90         }
  91 }