bundles/org.eclipse.e4.tools.bundle.spy/src/org/eclipse/e4/tools/bundles/spy/BundleSpyPart.java - e4/org.eclipse.e4.tools - Git at Google

 /*******************************************************************************
  * Copyright (c) 2015 OPCoach and others.
  * 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:
  *     Olivier Prouvost <olivier.prouvost@opcoach.com> - initial API and implementation (bug #451116)
  *     Simon Scholz <simon.scholz@vogella.com> - Bug 466785
  *******************************************************************************/
 package org.eclipse.e4.tools.bundles.spy;

 import java.util.Iterator;

 import javax.annotation.PostConstruct;
 import javax.inject.Inject;

 import org.eclipse.e4.core.contexts.ContextInjectionFactory;
 import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.internal.tools.bundles.spy.BundleDataFilter;
 import org.eclipse.e4.internal.tools.bundles.spy.BundleDataProvider;
 import org.eclipse.e4.ui.di.Focus;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.resource.ImageRegistry;
 import org.eclipse.jface.viewers.ArrayContentProvider;
 import org.eclipse.jface.viewers.ColumnViewerToolTipSupport;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.TableViewerColumn;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerComparator;
 import org.eclipse.jface.viewers.ViewerFilter;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.KeyAdapter;
 import org.eclipse.swt.events.KeyEvent;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.Text;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.BundleException;
 import org.osgi.framework.FrameworkUtil;

 /**
  * This class is the main part of the bundle spy. It displays a tableviewer with
  * all bundles
  */
 public class BundleSpyPart {

 	private static final String ICON_REFRESH = "icons/refresh.gif";
 	public static final String ICON_STATE_ACTIVE = "icons/state_active.gif";
 	public static final String ICON_STATE_STARTING = "icons/state_starting.gif";
 	public static final String ICON_STATE_STOPPING = "icons/state_stopping.gif";
 	public static final String ICON_STATE_RESOLVED = "icons/state_resolved.gif";
 	public static final String ICON_STATE_INSTALLED = "icons/state_installed.gif";
 	public static final String ICON_STATE_UNINSTALLED = "icons/state_uninstalled.gif";
 	public static final String ICON_START = "icons/start.gif";
 	public static final String ICON_STOP = "icons/stop.gif";

 	private TableViewer bundlesTableViewer;

 	private Text filterText;

 	private Button showOnlyFilteredElements;

 	private BundleDataFilter bundleFilter;

 	@Inject
 	private IEclipseContext ctx;

 	/** Store the values to set it when it is reopened */
 	private static String lastFilterText = null;
 	private static boolean lastShowFiltered = false;

 	/**
 	 * Create contents of the view part.
 	 */
 	@PostConstruct
 	public void createControls(Composite parent) {
 		ImageRegistry imgReg = initializeImageRegistry();

 		// Set a filter in context (-> null at the begining).
 		bundleFilter = new BundleDataFilter();
 		ctx.set(BundleDataFilter.class, bundleFilter);

 		parent.setLayout(new GridLayout(1, false));

 		final Composite comp = new Composite(parent, SWT.NONE);
 		comp.setLayout(new GridLayout(5, false));

 		Button refreshButton = new Button(comp, SWT.FLAT);
 		refreshButton.setImage(imgReg.get(ICON_REFRESH));
 		refreshButton.setToolTipText("Refresh the contexts");
 		refreshButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				bundlesTableViewer.refresh(true);
 			}
 		});

 		filterText = new Text(comp, SWT.SEARCH | SWT.ICON_SEARCH);
 		GridDataFactory.fillDefaults().hint(200, SWT.DEFAULT)
 				.applyTo(filterText);
 		filterText.setMessage("Search data");
 		filterText
 				.setToolTipText("Highlight the bundles where the contained objects contains this string.\n"
 						+ "Case is ignored.");
 		if (lastFilterText != null)
 			filterText.setText(lastFilterText);
 		bundleFilter.setPattern(lastFilterText);
 		filterText.addKeyListener(new KeyAdapter() {
 			@Override
 			public void keyReleased(KeyEvent e) {
 				String textToSearch = filterText.getText();
 				lastFilterText = textToSearch;
 				boolean enableButton = textToSearch.length() > 0;
 				// Enable/disable button for filtering
 				showOnlyFilteredElements.setEnabled(enableButton);

 				// Then update filters and viewers
 				bundleFilter.setPattern(textToSearch);
 				setFilter();
 				bundlesTableViewer.refresh(true);
 			}

 		});

 		showOnlyFilteredElements = new Button(comp, SWT.CHECK);
 		showOnlyFilteredElements.setText("Show Only Filtered");
 		showOnlyFilteredElements
 				.setToolTipText("Show only the filtered items in the bundle table ");
 		showOnlyFilteredElements.setEnabled((lastFilterText != null)
 				&& (lastFilterText.length() > 0));
 		showOnlyFilteredElements.setSelection(lastShowFiltered);
 		showOnlyFilteredElements.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				lastShowFiltered = showOnlyFilteredElements.getSelection();
 				setFilter();
 			}
 		});

 		startButton = new Button(comp, SWT.FLAT);
 		startButton.setImage(imgReg.get(ICON_START));
 		startButton
 				.setToolTipText("Start the selected bundles not yet started");
 		startButton.setEnabled(false);
 		startButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				IStructuredSelection sel = (IStructuredSelection) bundlesTableViewer
 						.getSelection();
 				Iterator<?> iter = sel.iterator();
 				while (iter.hasNext()) {
 					Bundle b = (Bundle) iter.next();
 					try {
 						b.start();
 					} catch (BundleException e1) {
 						e1.printStackTrace();
 					}
 				}
 				bundlesTableViewer.refresh();
 				updateButtonStatuses(sel);
 			}
 		});

 		stopButton = new Button(comp, SWT.FLAT);
 		stopButton.setImage(imgReg.get(ICON_STOP));
 		stopButton.setToolTipText("Stop the selected bundles not yet stopped");
 		stopButton.setEnabled(false);
 		stopButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				if (MessageDialog.openConfirm(
 						((Control) e.getSource()).getShell(),
 						"Confirm Bundle Stop",
 						"Stopping a bundle may cause problems in your current application.\nUse this button only for your bundles under testing\n\nDo you confirm you want to stop the selected started bundle(s) ? ")) {
 					IStructuredSelection sel = (IStructuredSelection) bundlesTableViewer
 							.getSelection();
 					Iterator<?> iter = sel.iterator();
 					while (iter.hasNext()) {
 						Bundle b = (Bundle) iter.next();
 						try {
 							b.stop();
 						} catch (BundleException e1) {
 							e1.printStackTrace();
 						}
 					}
 					bundlesTableViewer.refresh();
 					updateButtonStatuses(sel);
 				}
 			}
 		});

 		// Create the customer table with 2 columns: firstname and name
 		bundlesTableViewer = new TableViewer(parent);
 		final Table cTable = bundlesTableViewer.getTable();
 		cTable.setHeaderVisible(true);
 		cTable.setLinesVisible(true);
 		GridData gd_cTable = new GridData(SWT.FILL, SWT.FILL, true, true);
 		// gd_cTable.verticalAlignment = SWT.TOP;
 		cTable.setLayoutData(gd_cTable);

 		// Create the first column for bundle name
 		addColumn(bundlesTableViewer, 35, "State", BundleDataProvider.COL_STATE);
 		addColumn(bundlesTableViewer, 200, "Bundle Name",
 				BundleDataProvider.COL_NAME);
 		addColumn(bundlesTableViewer, 200, "Version",
 				BundleDataProvider.COL_VERSION);

 		// Set input data and content provider (default ArrayContentProvider)
 		bundlesTableViewer.setContentProvider(ArrayContentProvider
 				.getInstance());

 		// Get the list of bundles in platform using bundle context...
 		BundleContext bc = BundleSpyActivator.getContext();
 		bundlesTableViewer.setInput(bc.getBundles());

 		bundlesTableViewer
 				.addSelectionChangedListener(new ISelectionChangedListener() {
 					@Override
 					public void selectionChanged(SelectionChangedEvent event) {
 						updateButtonStatuses((IStructuredSelection) event
 								.getSelection());
 					}
 				});

 		ColumnViewerToolTipSupport.enableFor(bundlesTableViewer);

 	}

 	/** Update the stop and start buttons depending on current selection */
 	protected void updateButtonStatuses(IStructuredSelection selection) {
 		// startButton is enabled if at least one bundle is not active
 		// stopButton is enabled if at least one bundle is active
 		boolean oneBundleIsActive = false;
 		boolean oneBundleIsNotActive = false;

 		Iterator<?> iter = selection.iterator();
 		while (iter.hasNext()) {
 			Bundle b = (Bundle) iter.next();
 			oneBundleIsActive = oneBundleIsActive
 					|| (b.getState() == Bundle.ACTIVE);
 			oneBundleIsNotActive = oneBundleIsNotActive
 					|| (b.getState() != Bundle.ACTIVE);
 		}
 		startButton.setEnabled(oneBundleIsNotActive);
 		stopButton.setEnabled(oneBundleIsActive);

 	}

 	private void addColumn(final TableViewer parentTable, int width, String title,
 			final int column) {
 		TableViewerColumn col = new TableViewerColumn(bundlesTableViewer,
 				SWT.NONE);
 		col.getColumn().setWidth(width);
 		col.getColumn().setText(title);

 		final BundleDataProvider bdp = ContextInjectionFactory.make(
 				BundleDataProvider.class, ctx);
 		bdp.setColumn(column);
 		col.setLabelProvider(bdp);

 		col.getColumn().addSelectionListener(new SelectionAdapter() {

 			private int turnAround = 1;

 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				turnAround *= -1;
 				parentTable.setComparator(new ViewerComparator() {
 					@Override
 					public int compare(Viewer viewer, Object e1, Object e2) {
 						if(BundleDataProvider.COL_STATE == column) {
 							Bundle b1 = (Bundle) e1;
 							Bundle b2 = (Bundle) e2;
 							return turnAround(Integer.compare(b1.getState(), b2.getState()));
 						}

 						return turnAround(bdp.getText(e1).compareTo(bdp.getText(e2)));
 					}
 				});
 			}

 			private int turnAround(int compare) {
 				return compare * turnAround;
 			}
 		});

 	}

 	private static final ViewerFilter[] NO_FILTER = new ViewerFilter[0];
 	private Button stopButton;
 	private Button startButton;

 	/** Set the filter on table */
 	public void setFilter() {

 		if (showOnlyFilteredElements.isEnabled()
 				&& showOnlyFilteredElements.getSelection()) {
 			bundlesTableViewer.setFilters(new ViewerFilter[]{bundleFilter});
 		} else {
 			bundlesTableViewer.setFilters(NO_FILTER);
 		}
 	}

 	@Focus
 	public void setFocus() {
 		bundlesTableViewer.getControl().setFocus();
 	}

 	private ImageRegistry initializeImageRegistry() {
 		Bundle b = FrameworkUtil.getBundle(this.getClass());
 		ImageRegistry imgReg = new ImageRegistry();
 		imgReg.put(ICON_REFRESH,
 				ImageDescriptor.createFromURL(b.getEntry(ICON_REFRESH)));
 		imgReg.put(ICON_STATE_ACTIVE,
 				ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_ACTIVE)));
 		imgReg.put(ICON_STATE_RESOLVED,
 				ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_RESOLVED)));
 		imgReg.put(ICON_STATE_STARTING,
 				ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_STARTING)));
 		imgReg.put(ICON_STATE_STOPPING,
 				ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_STOPPING)));
 		imgReg.put(ICON_STATE_INSTALLED,
 				ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_INSTALLED)));
 		imgReg.put(ICON_STATE_UNINSTALLED, ImageDescriptor.createFromURL(b
 				.getEntry(ICON_STATE_UNINSTALLED)));
 		imgReg.put(ICON_START,
 				ImageDescriptor.createFromURL(b.getEntry(ICON_START)));
 		imgReg.put(ICON_STOP,
 				ImageDescriptor.createFromURL(b.getEntry(ICON_STOP)));

 		ctx.set(ImageRegistry.class, imgReg);

 		return imgReg;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2015 OPCoach and others.
	* 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:
	* Olivier Prouvost <olivier.prouvost@opcoach.com> - initial API and implementation (bug #451116)
	* Simon Scholz <simon.scholz@vogella.com> - Bug 466785
	*******************************************************************************/
	package org.eclipse.e4.tools.bundles.spy;

	import java.util.Iterator;

	import javax.annotation.PostConstruct;
	import javax.inject.Inject;

	import org.eclipse.e4.core.contexts.ContextInjectionFactory;
	import org.eclipse.e4.core.contexts.IEclipseContext;
	import org.eclipse.e4.internal.tools.bundles.spy.BundleDataFilter;
	import org.eclipse.e4.internal.tools.bundles.spy.BundleDataProvider;
	import org.eclipse.e4.ui.di.Focus;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.layout.GridDataFactory;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.resource.ImageRegistry;
	import org.eclipse.jface.viewers.ArrayContentProvider;
	import org.eclipse.jface.viewers.ColumnViewerToolTipSupport;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.jface.viewers.TableViewerColumn;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.viewers.ViewerComparator;
	import org.eclipse.jface.viewers.ViewerFilter;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.KeyAdapter;
	import org.eclipse.swt.events.KeyEvent;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.Text;
	import org.osgi.framework.Bundle;
	import org.osgi.framework.BundleContext;
	import org.osgi.framework.BundleException;
	import org.osgi.framework.FrameworkUtil;

	/**
	* This class is the main part of the bundle spy. It displays a tableviewer with
	* all bundles
	*/
	public class BundleSpyPart {

	private static final String ICON_REFRESH = "icons/refresh.gif";
	public static final String ICON_STATE_ACTIVE = "icons/state_active.gif";
	public static final String ICON_STATE_STARTING = "icons/state_starting.gif";
	public static final String ICON_STATE_STOPPING = "icons/state_stopping.gif";
	public static final String ICON_STATE_RESOLVED = "icons/state_resolved.gif";
	public static final String ICON_STATE_INSTALLED = "icons/state_installed.gif";
	public static final String ICON_STATE_UNINSTALLED = "icons/state_uninstalled.gif";
	public static final String ICON_START = "icons/start.gif";
	public static final String ICON_STOP = "icons/stop.gif";

	private TableViewer bundlesTableViewer;

	private Text filterText;

	private Button showOnlyFilteredElements;

	private BundleDataFilter bundleFilter;

	@Inject
	private IEclipseContext ctx;

	/** Store the values to set it when it is reopened */
	private static String lastFilterText = null;
	private static boolean lastShowFiltered = false;

	/**
	* Create contents of the view part.
	*/
	@PostConstruct
	public void createControls(Composite parent) {
	ImageRegistry imgReg = initializeImageRegistry();

	// Set a filter in context (-> null at the begining).
	bundleFilter = new BundleDataFilter();
	ctx.set(BundleDataFilter.class, bundleFilter);

	parent.setLayout(new GridLayout(1, false));

	final Composite comp = new Composite(parent, SWT.NONE);
	comp.setLayout(new GridLayout(5, false));

	Button refreshButton = new Button(comp, SWT.FLAT);
	refreshButton.setImage(imgReg.get(ICON_REFRESH));
	refreshButton.setToolTipText("Refresh the contexts");
	refreshButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	bundlesTableViewer.refresh(true);
	}
	});

	filterText = new Text(comp, SWT.SEARCH \| SWT.ICON_SEARCH);
	GridDataFactory.fillDefaults().hint(200, SWT.DEFAULT)
	.applyTo(filterText);
	filterText.setMessage("Search data");
	filterText
	.setToolTipText("Highlight the bundles where the contained objects contains this string.\n"
	+ "Case is ignored.");
	if (lastFilterText != null)
	filterText.setText(lastFilterText);
	bundleFilter.setPattern(lastFilterText);
	filterText.addKeyListener(new KeyAdapter() {
	@Override
	public void keyReleased(KeyEvent e) {
	String textToSearch = filterText.getText();
	lastFilterText = textToSearch;
	boolean enableButton = textToSearch.length() > 0;
	// Enable/disable button for filtering
	showOnlyFilteredElements.setEnabled(enableButton);

	// Then update filters and viewers
	bundleFilter.setPattern(textToSearch);
	setFilter();
	bundlesTableViewer.refresh(true);
	}

	});

	showOnlyFilteredElements = new Button(comp, SWT.CHECK);
	showOnlyFilteredElements.setText("Show Only Filtered");
	showOnlyFilteredElements
	.setToolTipText("Show only the filtered items in the bundle table ");
	showOnlyFilteredElements.setEnabled((lastFilterText != null)
	&& (lastFilterText.length() > 0));
	showOnlyFilteredElements.setSelection(lastShowFiltered);
	showOnlyFilteredElements.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	lastShowFiltered = showOnlyFilteredElements.getSelection();
	setFilter();
	}
	});

	startButton = new Button(comp, SWT.FLAT);
	startButton.setImage(imgReg.get(ICON_START));
	startButton
	.setToolTipText("Start the selected bundles not yet started");
	startButton.setEnabled(false);
	startButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	IStructuredSelection sel = (IStructuredSelection) bundlesTableViewer
	.getSelection();
	Iterator<?> iter = sel.iterator();
	while (iter.hasNext()) {
	Bundle b = (Bundle) iter.next();
	try {
	b.start();
	} catch (BundleException e1) {
	e1.printStackTrace();
	}
	}
	bundlesTableViewer.refresh();
	updateButtonStatuses(sel);
	}
	});

	stopButton = new Button(comp, SWT.FLAT);
	stopButton.setImage(imgReg.get(ICON_STOP));
	stopButton.setToolTipText("Stop the selected bundles not yet stopped");
	stopButton.setEnabled(false);
	stopButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	if (MessageDialog.openConfirm(
	((Control) e.getSource()).getShell(),
	"Confirm Bundle Stop",
	"Stopping a bundle may cause problems in your current application.\nUse this button only for your bundles under testing\n\nDo you confirm you want to stop the selected started bundle(s) ? ")) {
	IStructuredSelection sel = (IStructuredSelection) bundlesTableViewer
	.getSelection();
	Iterator<?> iter = sel.iterator();
	while (iter.hasNext()) {
	Bundle b = (Bundle) iter.next();
	try {
	b.stop();
	} catch (BundleException e1) {
	e1.printStackTrace();
	}
	}
	bundlesTableViewer.refresh();
	updateButtonStatuses(sel);
	}
	}
	});

	// Create the customer table with 2 columns: firstname and name
	bundlesTableViewer = new TableViewer(parent);
	final Table cTable = bundlesTableViewer.getTable();
	cTable.setHeaderVisible(true);
	cTable.setLinesVisible(true);
	GridData gd_cTable = new GridData(SWT.FILL, SWT.FILL, true, true);
	// gd_cTable.verticalAlignment = SWT.TOP;
	cTable.setLayoutData(gd_cTable);

	// Create the first column for bundle name
	addColumn(bundlesTableViewer, 35, "State", BundleDataProvider.COL_STATE);
	addColumn(bundlesTableViewer, 200, "Bundle Name",
	BundleDataProvider.COL_NAME);
	addColumn(bundlesTableViewer, 200, "Version",
	BundleDataProvider.COL_VERSION);

	// Set input data and content provider (default ArrayContentProvider)
	bundlesTableViewer.setContentProvider(ArrayContentProvider
	.getInstance());

	// Get the list of bundles in platform using bundle context...
	BundleContext bc = BundleSpyActivator.getContext();
	bundlesTableViewer.setInput(bc.getBundles());

	bundlesTableViewer
	.addSelectionChangedListener(new ISelectionChangedListener() {
	@Override
	public void selectionChanged(SelectionChangedEvent event) {
	updateButtonStatuses((IStructuredSelection) event
	.getSelection());
	}
	});

	ColumnViewerToolTipSupport.enableFor(bundlesTableViewer);

	}

	/** Update the stop and start buttons depending on current selection */
	protected void updateButtonStatuses(IStructuredSelection selection) {
	// startButton is enabled if at least one bundle is not active
	// stopButton is enabled if at least one bundle is active
	boolean oneBundleIsActive = false;
	boolean oneBundleIsNotActive = false;

	Iterator<?> iter = selection.iterator();
	while (iter.hasNext()) {
	Bundle b = (Bundle) iter.next();
	oneBundleIsActive = oneBundleIsActive
	\|\| (b.getState() == Bundle.ACTIVE);
	oneBundleIsNotActive = oneBundleIsNotActive
	\|\| (b.getState() != Bundle.ACTIVE);
	}
	startButton.setEnabled(oneBundleIsNotActive);
	stopButton.setEnabled(oneBundleIsActive);

	}

	private void addColumn(final TableViewer parentTable, int width, String title,
	final int column) {
	TableViewerColumn col = new TableViewerColumn(bundlesTableViewer,
	SWT.NONE);
	col.getColumn().setWidth(width);
	col.getColumn().setText(title);

	final BundleDataProvider bdp = ContextInjectionFactory.make(
	BundleDataProvider.class, ctx);
	bdp.setColumn(column);
	col.setLabelProvider(bdp);

	col.getColumn().addSelectionListener(new SelectionAdapter() {

	private int turnAround = 1;

	@Override
	public void widgetSelected(SelectionEvent e) {
	turnAround *= -1;
	parentTable.setComparator(new ViewerComparator() {
	@Override
	public int compare(Viewer viewer, Object e1, Object e2) {
	if(BundleDataProvider.COL_STATE == column) {
	Bundle b1 = (Bundle) e1;
	Bundle b2 = (Bundle) e2;
	return turnAround(Integer.compare(b1.getState(), b2.getState()));
	}

	return turnAround(bdp.getText(e1).compareTo(bdp.getText(e2)));
	}
	});
	}

	private int turnAround(int compare) {
	return compare * turnAround;
	}
	});

	}

	private static final ViewerFilter[] NO_FILTER = new ViewerFilter[0];
	private Button stopButton;
	private Button startButton;

	/** Set the filter on table */
	public void setFilter() {

	if (showOnlyFilteredElements.isEnabled()
	&& showOnlyFilteredElements.getSelection()) {
	bundlesTableViewer.setFilters(new ViewerFilter[]{bundleFilter});
	} else {
	bundlesTableViewer.setFilters(NO_FILTER);
	}
	}

	@Focus
	public void setFocus() {
	bundlesTableViewer.getControl().setFocus();
	}

	private ImageRegistry initializeImageRegistry() {
	Bundle b = FrameworkUtil.getBundle(this.getClass());
	ImageRegistry imgReg = new ImageRegistry();
	imgReg.put(ICON_REFRESH,
	ImageDescriptor.createFromURL(b.getEntry(ICON_REFRESH)));
	imgReg.put(ICON_STATE_ACTIVE,
	ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_ACTIVE)));
	imgReg.put(ICON_STATE_RESOLVED,
	ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_RESOLVED)));
	imgReg.put(ICON_STATE_STARTING,
	ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_STARTING)));
	imgReg.put(ICON_STATE_STOPPING,
	ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_STOPPING)));
	imgReg.put(ICON_STATE_INSTALLED,
	ImageDescriptor.createFromURL(b.getEntry(ICON_STATE_INSTALLED)));
	imgReg.put(ICON_STATE_UNINSTALLED, ImageDescriptor.createFromURL(b
	.getEntry(ICON_STATE_UNINSTALLED)));
	imgReg.put(ICON_START,
	ImageDescriptor.createFromURL(b.getEntry(ICON_START)));
	imgReg.put(ICON_STOP,
	ImageDescriptor.createFromURL(b.getEntry(ICON_STOP)));

	ctx.set(ImageRegistry.class, imgReg);

	return imgReg;
	}

	}