/**
* Copyright (c) 2011 Stephen Evanchik
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Stephen Evanchik - initial implementation
*/
package org.apache.karaf.eik.workbench.ui.editor;
import org.apache.karaf.eik.core.KarafPlatformModel;
import org.apache.karaf.eik.core.KarafWorkingPlatformModel;
import org.apache.karaf.eik.workbench.KarafWorkbenchActivator;
import org.apache.karaf.eik.workbench.MBeanProvider;
import org.apache.karaf.eik.workbench.WorkbenchServiceListener;
import org.apache.karaf.eik.workbench.WorkbenchServiceManager;
import org.apache.karaf.eik.workbench.jmx.JMXServiceDescriptor;
import org.apache.karaf.eik.workbench.provider.BundleItem;
import org.apache.karaf.eik.workbench.provider.RuntimeDataProvider;
import org.apache.karaf.eik.workbench.provider.RuntimeDataProviderListener;
import org.apache.karaf.eik.workbench.ui.views.bundle.BundleIdSorter;
import java.util.EnumSet;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.editor.FormPage;
import org.eclipse.ui.forms.widgets.Section;
public class KarafPlatformRuntimeFormPage extends FormPage {
private final class BundlesTableLabelProvider extends LabelProvider implements ITableLabelProvider {
@Override
public Image getColumnImage(final Object element, final int columnIndex) {
return null;
}
@Override
public String getColumnText(final Object element, final int columnIndex) {
if (!(element instanceof BundleItem)) {
return "";
}
final BundleItem bundle = (BundleItem) element;
String label;
switch (columnIndex) {
case 0:
label = bundle.getSymbolicName();
break;
case 1:
label = Long.toString(bundle.getIdentifier());
break;
case 2:
label = bundle.getState();
break;
case 3:
label = bundle.getLocation();
break;
default:
label = "";
}
return label;
}
}
private final class BundlesTableContentProvider implements IStructuredContentProvider, RuntimeDataProviderListener {
private RuntimeDataProvider runtimeDataProvider;
@Override
public void dispose() {
if (runtimeDataProvider != null) {
runtimeDataProvider.removeListener(this);
}
}
@Override
public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) {
if (!(newInput instanceof RuntimeDataProvider)) {
return;
}
if (oldInput != null) {
final RuntimeDataProvider oldRuntimeDataProvider = (RuntimeDataProvider) oldInput;
oldRuntimeDataProvider.removeListener(this);
}
runtimeDataProvider = (RuntimeDataProvider) newInput;
runtimeDataProvider.addListener(this);
}
@Override
public Object[] getElements(final Object inputElement) {
if (inputElement instanceof RuntimeDataProvider) {
return runtimeDataProvider.getBundles().toArray();
} else {
return new Object[0];
}
}
@Override
public void providerChange(final RuntimeDataProvider source, final EnumSet<EventType> type) {
safeRefresh(bundlesViewer);
}
@Override
public void providerStart(final RuntimeDataProvider source) {
safeRefresh(bundlesViewer);
}
@Override
public void providerStop(final RuntimeDataProvider source) {
safeRefresh(bundlesViewer);
}
}
private final class RuntimeListener implements WorkbenchServiceListener<RuntimeDataProvider> {
@Override
public void serviceAdded(final RuntimeDataProvider service) {
final MBeanProvider mbeanProvider = (MBeanProvider) service.getAdapter(MBeanProvider.class);
if (mbeanProvider == null) {
return;
}
final IPath rootDirecotry = getKarafPlatformRootPath(mbeanProvider);
if (editor.getKarafPlatform().getRootDirectory().equals(rootDirecotry)) {
bundlesViewer.setInput(service);
}
}
@Override
public void serviceRemoved(final RuntimeDataProvider service) {
}
}
public static final String ID = "org.apache.karaf.eik.editors.page.Runtime";
private static final String TITLE = "Runtime";
private final KarafPlatformEditorPart editor;
private final int[] colWidth = new int[] { 250, 40, 100, 250 };
private Table bundlesTable;
private TableViewer bundlesViewer;
private final WorkbenchServiceListener<RuntimeDataProvider> runtimeDataProviderListener;
private WorkbenchServiceManager<RuntimeDataProvider> runtimeDataProviderManager;
public KarafPlatformRuntimeFormPage(final KarafPlatformEditorPart editor) {
super(editor, ID, TITLE);
this.editor = editor;
runtimeDataProviderListener = new RuntimeListener();
runtimeDataProviderManager = KarafWorkbenchActivator.getDefault().getRuntimeDataProviderManager();
}
@Override
public void dispose() {
super.dispose();
runtimeDataProviderManager.removeListener(runtimeDataProviderListener);
}
public void setRuntimeDataProviderManager(final WorkbenchServiceManager<RuntimeDataProvider> runtimeDataProviderManager) {
this.runtimeDataProviderManager = runtimeDataProviderManager;
}
@Override
protected void createFormContent(final IManagedForm managedForm) {
runtimeDataProviderManager.addListener(runtimeDataProviderListener);
final GridLayout layout = new GridLayout(2, true);
GridData data = new GridData(GridData.FILL_BOTH);
managedForm.getForm().getBody().setLayout(layout);
managedForm.getForm().getBody().setLayoutData(data);
managedForm.getForm().setText("Runtime Details");
managedForm.getForm().setImage(KarafWorkbenchActivator.getDefault().getImageRegistry().get(KarafWorkbenchActivator.BUNDLE_OBJ_IMG));
final Section section = managedForm.getToolkit().createSection(
managedForm.getForm().getBody(),
Section.TITLE_BAR
| Section.EXPANDED);
section.setText("Bundles");
data = new GridData(GridData.FILL_HORIZONTAL);
data.horizontalSpan = 2;
section.setLayoutData(data);
section.setLayout(new GridLayout(1, true));
final Composite sectionClient = managedForm.getToolkit().createComposite(section);
sectionClient.setLayout(new GridLayout(1, false));
data = new GridData(GridData.FILL_HORIZONTAL);
sectionClient.setLayoutData(data);
section.setClient(sectionClient);
bundlesTable = managedForm.getToolkit().createTable(sectionClient, SWT.SINGLE | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL);
bundlesTable.setLinesVisible(true);
bundlesTable.setHeaderVisible(true);
data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = 225;
bundlesTable.setLayoutData(data);
bundlesTable.setLayout(new FillLayout());
TableColumn col = new TableColumn(bundlesTable, SWT.LEFT);
col.setWidth(colWidth[0]);
col.setText("Name");
col = new TableColumn(bundlesTable, SWT.LEFT);
col.setWidth(colWidth[1]);
col.setText("Id");
col = new TableColumn(bundlesTable, SWT.LEFT);
col.setWidth(colWidth[2]);
col.setText("State");
col = new TableColumn(bundlesTable, SWT.LEFT);
col.setWidth(colWidth[3]);
col.setText("Location");
bundlesViewer = new TableViewer(bundlesTable);
bundlesViewer.setLabelProvider(new BundlesTableLabelProvider());
bundlesViewer.setContentProvider(new BundlesTableContentProvider());
bundlesViewer.setSorter(new BundleIdSorter());
managedForm.reflow(true);
for (final RuntimeDataProvider runtimeDataProvider : runtimeDataProviderManager.getServices()) {
final MBeanProvider mbeanProvider = (MBeanProvider) runtimeDataProvider.getAdapter(MBeanProvider.class);
if (mbeanProvider == null) {
continue;
}
final IPath rootDirecotry = getKarafPlatformRootPath(mbeanProvider);
if (editor.getKarafPlatform().getRootDirectory().equals(rootDirecotry)) {
bundlesViewer.setInput(runtimeDataProvider);
}
}
}
private void safeRefresh(final Viewer viewer) {
Display.getDefault().asyncExec(new Runnable() {
@Override
public void run() {
if (!viewer.getControl().isDisposed()) {
viewer.refresh();
}
}
});
}
private IPath getKarafPlatformRootPath(final MBeanProvider service) {
final JMXServiceDescriptor jmxServiceDescriptor = service.getJMXServiceDescriptor();
final KarafPlatformModel karafPlatformModel =
(KarafPlatformModel) jmxServiceDescriptor.getAdapter(KarafPlatformModel.class);
if (karafPlatformModel == null) {
return new Path("");
}
// TODO: It should be easy to compare to KarafPlatformModel's for equality
final IPath rootDirectory;
if (karafPlatformModel instanceof KarafWorkingPlatformModel) {
rootDirectory = ((KarafWorkingPlatformModel) karafPlatformModel).getParentKarafModel().getRootDirectory();
} else {
rootDirectory = karafPlatformModel.getRootDirectory();
}
return rootDirectory;
}
}