bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/p2/ui/dialogs/UpdateAndInstallGroup.java - equinox/rt.equinox.p2 - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007 IBM Corporation 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:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.equinox.p2.ui.dialogs;

 import org.eclipse.core.runtime.Assert;
 import org.eclipse.equinox.internal.p2.ui.ProvUIMessages;
 import org.eclipse.equinox.p2.engine.Profile;
 import org.eclipse.equinox.p2.ui.*;
 import org.eclipse.equinox.p2.ui.actions.*;
 import org.eclipse.equinox.p2.ui.model.*;
 import org.eclipse.equinox.p2.ui.viewers.*;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.jface.window.SameShellProvider;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.DisposeEvent;
 import org.eclipse.swt.events.DisposeListener;
 import org.eclipse.swt.graphics.FontMetrics;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.dialogs.PropertyDialogAction;

 /**
  * Dialog group that shows installed IU's and allows user to update or search
  * for new ones.
  *
  * @since 3.4
  */
 public class UpdateAndInstallGroup {

 	private static final String BUTTONACTION = "buttonAction"; //$NON-NLS-1$
 	TabFolder tabFolder;
 	TableViewer installedIUViewer;
 	TableViewer availableIUViewer;
 	Profile profile;
 	IRepositoryManipulator repositoryManipulator;
 	IProfileChooser profileChooser;
 	private FontMetrics fm;
 	Button installedPropButton, availablePropButton, installButton, uninstallButton, updateButton;

 	/**
 	 * Create an instance of this group.
 	 *
 	 */
 	// TODO we currently specify the filtering for what IU's we want to see with
 	// a viewer filter. More likely we would pass in the required
 	// capability/version info
 	// and use the iterator API rather than get all IU's and then filter them
 	public UpdateAndInstallGroup(Composite parent, Profile profile, ViewerFilter[] installedIUFilters, ViewerFilter[] availableIUFilters, String installedString, String availableString, IRepositoryManipulator repositoryManipulator, IProfileChooser profileChooser, int widthInDUs, int heightInDUs, FontMetrics fm) {

 		this.profile = profile;
 		this.repositoryManipulator = repositoryManipulator;
 		this.profileChooser = profileChooser;

 		// tab folder
 		tabFolder = new TabFolder(parent, SWT.NONE);

 		Assert.isNotNull(fm);
 		this.fm = fm;
 		GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
 		gd.widthHint = convertHorizontalDLUsToPixels(widthInDUs);
 		gd.heightHint = convertVerticalDLUsToPixels(heightInDUs);
 		tabFolder.setLayoutData(gd);

 		// Installed IU's
 		TabItem installedTab = new TabItem(tabFolder, SWT.NONE);
 		installedTab.setText(installedString);
 		installedTab.setControl(createInstalledIUsPage(tabFolder, installedIUFilters));

 		// Find IU's
 		TabItem availableTab = new TabItem(tabFolder, SWT.NONE);
 		availableTab.setText(availableString);
 		availableTab.setControl(createAvailableIUsPage(tabFolder, availableIUFilters));
 	}

 	public Control getControl() {
 		return tabFolder;
 	}

 	private Control createAvailableIUsPage(Composite parent, ViewerFilter[] iuFilters) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		composite.setLayoutData(new GridData(GridData.FILL_BOTH));
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		composite.setLayout(layout);

 		// Table of available IU's
 		availableIUViewer = new TableViewer(composite, SWT.MULTI | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
 		setTableColumns(availableIUViewer.getTable());
 		availableIUViewer.setContentProvider(new AvailableIUContentProvider());
 		availableIUViewer.setInput(new AllMetadataRepositories());
 		availableIUViewer.setLabelProvider(new IUDetailsLabelProvider());
 		if (iuFilters != null) {
 			availableIUViewer.setFilters(iuFilters);
 		}
 		availableIUViewer.setComparator(new ViewerComparator());
 		GridData data = new GridData(GridData.FILL_BOTH);
 		data.grabExcessHorizontalSpace = true;
 		data.grabExcessVerticalSpace = true;
 		availableIUViewer.getControl().setLayoutData(data);

 		// Vertical buttons
 		Composite buttonBar = (Composite) createAvailableIUsVerticalButtonBar(composite);
 		data = new GridData(GridData.FILL_VERTICAL);
 		buttonBar.setLayoutData(data);

 		// Must be done after buttons are created so that the buttons can
 		// register and receive their selection notifications before us.
 		availableIUViewer.addSelectionChangedListener(new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent event) {
 				validateAvailableIUButtons(event.getSelection());
 			}
 		});

 		final StructuredViewerProvisioningListener listener = new StructuredViewerProvisioningListener(availableIUViewer, StructuredViewerProvisioningListener.PROV_EVENT_REPOSITORY);
 		ProvUIActivator.getDefault().addProvisioningListener(listener);
 		availableIUViewer.getControl().addDisposeListener(new DisposeListener() {
 			public void widgetDisposed(DisposeEvent e) {
 				ProvUIActivator.getDefault().removeProvisioningListener(listener);
 			}
 		});

 		validateAvailableIUButtons(installedIUViewer.getSelection());
 		return composite;
 	}

 	private Control createAvailableIUsVerticalButtonBar(Composite parent) {
 		// Create composite.
 		Composite composite = new Composite(parent, SWT.NULL);

 		// create a layout with spacing and margins appropriate for the font
 		// size.
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 1;
 		layout.marginWidth = 5;
 		layout.marginHeight = 0;
 		layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
 		layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
 		composite.setLayout(layout);

 		// Add the buttons to the button bar.
 		availablePropButton = createVerticalButton(composite, ProvUIMessages.UpdateAndInstallGroup_Properties, false);
 		availablePropButton.setData(BUTTONACTION, new PropertyDialogAction(new SameShellProvider(parent.getShell()), availableIUViewer));
 		installButton = createVerticalButton(composite, ProvUIMessages.InstallIUCommandLabel, false);
 		installButton.setData(BUTTONACTION, new InstallAction(availableIUViewer, profile, null, parent.getShell()));
 		Button refreshButton = createVerticalButton(composite, ProvUIMessages.UpdateAndInstallGroup_Refresh, false);
 		refreshButton.setData(BUTTONACTION, new Action() {
 			public void runWithEvent(Event event) {
 				availableIUViewer.setInput(new AllMetadataRepositories());
 			}
 		});

 		if (repositoryManipulator != null) {
 			Button repoButton = createVerticalButton(composite, repositoryManipulator.getLabel(), false);
 			repoButton.setData(BUTTONACTION, new Action() {
 				public void runWithEvent(Event event) {
 					if (repositoryManipulator.manipulateRepositories(getControl().getShell())) {
 						availableIUViewer.setInput(new AllMetadataRepositories());
 					}
 				}
 			});

 		}
 		return composite;
 	}

 	void validateAvailableIUButtons(ISelection selection) {
 		// This relies on the actions themselves receiving the selection changed
 		// listener before we do, since we use their state to enable the buttons
 		updateEnablement(availablePropButton);
 		updateEnablement(installButton);
 	}

 	private Control createInstalledIUsPage(Composite parent, ViewerFilter[] iuFilters) {

 		Composite composite = new Composite(parent, SWT.NONE);
 		composite.setLayoutData(new GridData(GridData.FILL_BOTH));
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		composite.setLayout(layout);

 		// Table of installed IU's
 		installedIUViewer = new TableViewer(composite, SWT.MULTI | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
 		setTableColumns(installedIUViewer.getTable());
 		installedIUViewer.setContentProvider(new ProfileContentProvider());
 		installedIUViewer.setInput(profile);
 		installedIUViewer.setLabelProvider(new IUDetailsLabelProvider());

 		if (iuFilters != null) {
 			installedIUViewer.setFilters(iuFilters);
 		}
 		installedIUViewer.setComparator(new ViewerComparator());

 		GridData data = new GridData(GridData.FILL_BOTH);
 		data.grabExcessHorizontalSpace = true;
 		data.grabExcessVerticalSpace = true;
 		installedIUViewer.getControl().setLayoutData(data);

 		// Vertical buttons
 		Composite buttonBar = (Composite) createInstalledIUsVerticalButtonBar(composite);
 		data = new GridData(GridData.FILL_VERTICAL);
 		buttonBar.setLayoutData(data);

 		// Must be done after buttons are created so that the buttons can
 		// register and receive their selection notifications before us.
 		installedIUViewer.addSelectionChangedListener(new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent event) {
 				validateInstalledIUButtons(event.getSelection());
 			}
 		});

 		final StructuredViewerProvisioningListener listener = new StructuredViewerProvisioningListener(installedIUViewer, StructuredViewerProvisioningListener.PROV_EVENT_IU | StructuredViewerProvisioningListener.PROV_EVENT_PROFILE);
 		ProvUIActivator.getDefault().addProvisioningListener(listener);
 		installedIUViewer.getControl().addDisposeListener(new DisposeListener() {
 			public void widgetDisposed(DisposeEvent e) {
 				ProvUIActivator.getDefault().removeProvisioningListener(listener);
 			}
 		});
 		validateInstalledIUButtons(installedIUViewer.getSelection());
 		return composite;
 	}

 	private Control createInstalledIUsVerticalButtonBar(Composite parent) {
 		// Create composite.
 		Composite composite = new Composite(parent, SWT.NULL);

 		// create a layout with spacing and margins appropriate for the font
 		// size.
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 1;
 		layout.marginWidth = 5;
 		layout.marginHeight = 0;
 		layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
 		layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
 		composite.setLayout(layout);

 		// Add the buttons to the button bar.
 		installedPropButton = createVerticalButton(composite, ProvUIMessages.UpdateAndInstallGroup_Properties, false);
 		installedPropButton.setData(BUTTONACTION, new PropertyDialogAction(new SameShellProvider(parent.getShell()), installedIUViewer));
 		uninstallButton = createVerticalButton(composite, ProvUIMessages.UninstallIUCommandLabel, false);
 		uninstallButton.setData(BUTTONACTION, new UninstallAction(installedIUViewer, profile, null, parent.getShell()));
 		updateButton = createVerticalButton(composite, ProvUIMessages.UpdateIUCommandLabel, false);
 		updateButton.setData(BUTTONACTION, new UpdateAction(installedIUViewer, profile, null, parent.getShell()));
 		if (profileChooser != null) {
 			Button profileButton = createVerticalButton(composite, profileChooser.getLabel(), false);
 			profileButton.setData(BUTTONACTION, new Action() {
 				public void runWithEvent(Event event) {
 					Profile chosenProfile = profileChooser.getProfile();
 					if (chosenProfile != null) {
 						profile = chosenProfile;
 						installedIUViewer.setInput(profile);
 					}
 				}
 			});
 		}

 		return composite;
 	}

 	void validateInstalledIUButtons(ISelection selection) {
 		// Note that this relies on the actions getting the selection notification
 		// before we do, since we rely on the action enablement to update
 		// the buttons.  This should be ok since the buttons
 		// hook the listener on create.
 		updateEnablement(installedPropButton);
 		updateEnablement(uninstallButton);
 		updateEnablement(updateButton);
 	}

 	private void updateEnablement(Button button) {
 		IAction action = getButtonAction(button);
 		if (action != null) {
 			button.setEnabled(action.isEnabled());
 		}
 	}

 	private Button createVerticalButton(Composite parent, String label, boolean defaultButton) {
 		Button button = new Button(parent, SWT.PUSH);
 		button.setText(label);

 		GridData data = setButtonLayoutData(button);
 		data.horizontalAlignment = GridData.FILL;

 		button.addListener(SWT.Selection, new Listener() {
 			public void handleEvent(Event event) {
 				verticalButtonPressed(event);
 			}
 		});
 		button.setToolTipText(label);
 		if (defaultButton) {
 			Shell shell = parent.getShell();
 			if (shell != null) {
 				shell.setDefaultButton(button);
 			}
 		}
 		return button;
 	}

 	void verticalButtonPressed(Event event) {
 		IAction action = getButtonAction(event.widget);
 		if (action != null) {
 			action.runWithEvent(event);
 		}
 	}

 	private IAction getButtonAction(Widget widget) {
 		Object data = widget.getData(BUTTONACTION);
 		if (data == null || !(data instanceof IAction)) {
 			return null;
 		}
 		return (IAction) data;
 	}

 	private GridData setButtonLayoutData(Button button) {
 		GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
 		Point minSize = button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
 		data.widthHint = Math.max(widthHint, minSize.x);
 		button.setLayoutData(data);
 		return data;
 	}

 	private int convertHorizontalDLUsToPixels(int dlus) {
 		// shouldn't happen
 		if (fm == null) {
 			return 0;
 		}
 		return Dialog.convertHorizontalDLUsToPixels(fm, dlus);
 	}

 	private int convertVerticalDLUsToPixels(int dlus) {
 		// shouldn't happen
 		if (fm == null) {
 			return 0;
 		}
 		return Dialog.convertVerticalDLUsToPixels(fm, dlus);
 	}

 	private void setTableColumns(Table table) {
 		// TODO will we ever let callers set the column config?
 		IUColumnConfig[] columns = ProvUI.getIUColumnConfig();
 		table.setHeaderVisible(true);

 		for (int i = 0; i < columns.length; i++) {
 			TableColumn tc = new TableColumn(table, SWT.NONE, i);
 			tc.setResizable(true);
 			tc.setText(columns[i].columnTitle);
 			tc.setWidth(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH));
 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2007 IBM Corporation 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:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.equinox.p2.ui.dialogs;

	import org.eclipse.core.runtime.Assert;
	import org.eclipse.equinox.internal.p2.ui.ProvUIMessages;
	import org.eclipse.equinox.p2.engine.Profile;
	import org.eclipse.equinox.p2.ui.*;
	import org.eclipse.equinox.p2.ui.actions.*;
	import org.eclipse.equinox.p2.ui.model.*;
	import org.eclipse.equinox.p2.ui.viewers.*;
	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.action.IAction;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.jface.window.SameShellProvider;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.DisposeEvent;
	import org.eclipse.swt.events.DisposeListener;
	import org.eclipse.swt.graphics.FontMetrics;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.dialogs.PropertyDialogAction;

	/**
	* Dialog group that shows installed IU's and allows user to update or search
	* for new ones.
	*
	* @since 3.4
	*/
	public class UpdateAndInstallGroup {

	private static final String BUTTONACTION = "buttonAction"; //$NON-NLS-1$
	TabFolder tabFolder;
	TableViewer installedIUViewer;
	TableViewer availableIUViewer;
	Profile profile;
	IRepositoryManipulator repositoryManipulator;
	IProfileChooser profileChooser;
	private FontMetrics fm;
	Button installedPropButton, availablePropButton, installButton, uninstallButton, updateButton;

	/**
	* Create an instance of this group.
	*
	*/
	// TODO we currently specify the filtering for what IU's we want to see with
	// a viewer filter. More likely we would pass in the required
	// capability/version info
	// and use the iterator API rather than get all IU's and then filter them
	public UpdateAndInstallGroup(Composite parent, Profile profile, ViewerFilter[] installedIUFilters, ViewerFilter[] availableIUFilters, String installedString, String availableString, IRepositoryManipulator repositoryManipulator, IProfileChooser profileChooser, int widthInDUs, int heightInDUs, FontMetrics fm) {

	this.profile = profile;
	this.repositoryManipulator = repositoryManipulator;
	this.profileChooser = profileChooser;

	// tab folder
	tabFolder = new TabFolder(parent, SWT.NONE);

	Assert.isNotNull(fm);
	this.fm = fm;
	GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
	gd.widthHint = convertHorizontalDLUsToPixels(widthInDUs);
	gd.heightHint = convertVerticalDLUsToPixels(heightInDUs);
	tabFolder.setLayoutData(gd);

	// Installed IU's
	TabItem installedTab = new TabItem(tabFolder, SWT.NONE);
	installedTab.setText(installedString);
	installedTab.setControl(createInstalledIUsPage(tabFolder, installedIUFilters));

	// Find IU's
	TabItem availableTab = new TabItem(tabFolder, SWT.NONE);
	availableTab.setText(availableString);
	availableTab.setControl(createAvailableIUsPage(tabFolder, availableIUFilters));
	}

	public Control getControl() {
	return tabFolder;
	}

	private Control createAvailableIUsPage(Composite parent, ViewerFilter[] iuFilters) {
	Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayoutData(new GridData(GridData.FILL_BOTH));
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	composite.setLayout(layout);

	// Table of available IU's
	availableIUViewer = new TableViewer(composite, SWT.MULTI \| SWT.FULL_SELECTION \| SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER);
	setTableColumns(availableIUViewer.getTable());
	availableIUViewer.setContentProvider(new AvailableIUContentProvider());
	availableIUViewer.setInput(new AllMetadataRepositories());
	availableIUViewer.setLabelProvider(new IUDetailsLabelProvider());
	if (iuFilters != null) {
	availableIUViewer.setFilters(iuFilters);
	}
	availableIUViewer.setComparator(new ViewerComparator());
	GridData data = new GridData(GridData.FILL_BOTH);
	data.grabExcessHorizontalSpace = true;
	data.grabExcessVerticalSpace = true;
	availableIUViewer.getControl().setLayoutData(data);

	// Vertical buttons
	Composite buttonBar = (Composite) createAvailableIUsVerticalButtonBar(composite);
	data = new GridData(GridData.FILL_VERTICAL);
	buttonBar.setLayoutData(data);

	// Must be done after buttons are created so that the buttons can
	// register and receive their selection notifications before us.
	availableIUViewer.addSelectionChangedListener(new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent event) {
	validateAvailableIUButtons(event.getSelection());
	}
	});

	final StructuredViewerProvisioningListener listener = new StructuredViewerProvisioningListener(availableIUViewer, StructuredViewerProvisioningListener.PROV_EVENT_REPOSITORY);
	ProvUIActivator.getDefault().addProvisioningListener(listener);
	availableIUViewer.getControl().addDisposeListener(new DisposeListener() {
	public void widgetDisposed(DisposeEvent e) {
	ProvUIActivator.getDefault().removeProvisioningListener(listener);
	}
	});

	validateAvailableIUButtons(installedIUViewer.getSelection());
	return composite;
	}

	private Control createAvailableIUsVerticalButtonBar(Composite parent) {
	// Create composite.
	Composite composite = new Composite(parent, SWT.NULL);

	// create a layout with spacing and margins appropriate for the font
	// size.
	GridLayout layout = new GridLayout();
	layout.numColumns = 1;
	layout.marginWidth = 5;
	layout.marginHeight = 0;
	layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
	layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
	composite.setLayout(layout);

	// Add the buttons to the button bar.
	availablePropButton = createVerticalButton(composite, ProvUIMessages.UpdateAndInstallGroup_Properties, false);
	availablePropButton.setData(BUTTONACTION, new PropertyDialogAction(new SameShellProvider(parent.getShell()), availableIUViewer));
	installButton = createVerticalButton(composite, ProvUIMessages.InstallIUCommandLabel, false);
	installButton.setData(BUTTONACTION, new InstallAction(availableIUViewer, profile, null, parent.getShell()));
	Button refreshButton = createVerticalButton(composite, ProvUIMessages.UpdateAndInstallGroup_Refresh, false);
	refreshButton.setData(BUTTONACTION, new Action() {
	public void runWithEvent(Event event) {
	availableIUViewer.setInput(new AllMetadataRepositories());
	}
	});

	if (repositoryManipulator != null) {
	Button repoButton = createVerticalButton(composite, repositoryManipulator.getLabel(), false);
	repoButton.setData(BUTTONACTION, new Action() {
	public void runWithEvent(Event event) {
	if (repositoryManipulator.manipulateRepositories(getControl().getShell())) {
	availableIUViewer.setInput(new AllMetadataRepositories());
	}
	}
	});

	}
	return composite;
	}

	void validateAvailableIUButtons(ISelection selection) {
	// This relies on the actions themselves receiving the selection changed
	// listener before we do, since we use their state to enable the buttons
	updateEnablement(availablePropButton);
	updateEnablement(installButton);
	}

	private Control createInstalledIUsPage(Composite parent, ViewerFilter[] iuFilters) {

	Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayoutData(new GridData(GridData.FILL_BOTH));
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	composite.setLayout(layout);

	// Table of installed IU's
	installedIUViewer = new TableViewer(composite, SWT.MULTI \| SWT.FULL_SELECTION \| SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER);
	setTableColumns(installedIUViewer.getTable());
	installedIUViewer.setContentProvider(new ProfileContentProvider());
	installedIUViewer.setInput(profile);
	installedIUViewer.setLabelProvider(new IUDetailsLabelProvider());

	if (iuFilters != null) {
	installedIUViewer.setFilters(iuFilters);
	}
	installedIUViewer.setComparator(new ViewerComparator());

	GridData data = new GridData(GridData.FILL_BOTH);
	data.grabExcessHorizontalSpace = true;
	data.grabExcessVerticalSpace = true;
	installedIUViewer.getControl().setLayoutData(data);

	// Vertical buttons
	Composite buttonBar = (Composite) createInstalledIUsVerticalButtonBar(composite);
	data = new GridData(GridData.FILL_VERTICAL);
	buttonBar.setLayoutData(data);

	// Must be done after buttons are created so that the buttons can
	// register and receive their selection notifications before us.
	installedIUViewer.addSelectionChangedListener(new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent event) {
	validateInstalledIUButtons(event.getSelection());
	}
	});

	final StructuredViewerProvisioningListener listener = new StructuredViewerProvisioningListener(installedIUViewer, StructuredViewerProvisioningListener.PROV_EVENT_IU \| StructuredViewerProvisioningListener.PROV_EVENT_PROFILE);
	ProvUIActivator.getDefault().addProvisioningListener(listener);
	installedIUViewer.getControl().addDisposeListener(new DisposeListener() {
	public void widgetDisposed(DisposeEvent e) {
	ProvUIActivator.getDefault().removeProvisioningListener(listener);
	}
	});
	validateInstalledIUButtons(installedIUViewer.getSelection());
	return composite;
	}

	private Control createInstalledIUsVerticalButtonBar(Composite parent) {
	// Create composite.
	Composite composite = new Composite(parent, SWT.NULL);

	// create a layout with spacing and margins appropriate for the font
	// size.
	GridLayout layout = new GridLayout();
	layout.numColumns = 1;
	layout.marginWidth = 5;
	layout.marginHeight = 0;
	layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
	layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
	composite.setLayout(layout);

	// Add the buttons to the button bar.
	installedPropButton = createVerticalButton(composite, ProvUIMessages.UpdateAndInstallGroup_Properties, false);
	installedPropButton.setData(BUTTONACTION, new PropertyDialogAction(new SameShellProvider(parent.getShell()), installedIUViewer));
	uninstallButton = createVerticalButton(composite, ProvUIMessages.UninstallIUCommandLabel, false);
	uninstallButton.setData(BUTTONACTION, new UninstallAction(installedIUViewer, profile, null, parent.getShell()));
	updateButton = createVerticalButton(composite, ProvUIMessages.UpdateIUCommandLabel, false);
	updateButton.setData(BUTTONACTION, new UpdateAction(installedIUViewer, profile, null, parent.getShell()));
	if (profileChooser != null) {
	Button profileButton = createVerticalButton(composite, profileChooser.getLabel(), false);
	profileButton.setData(BUTTONACTION, new Action() {
	public void runWithEvent(Event event) {
	Profile chosenProfile = profileChooser.getProfile();
	if (chosenProfile != null) {
	profile = chosenProfile;
	installedIUViewer.setInput(profile);
	}
	}
	});
	}

	return composite;
	}

	void validateInstalledIUButtons(ISelection selection) {
	// Note that this relies on the actions getting the selection notification
	// before we do, since we rely on the action enablement to update
	// the buttons. This should be ok since the buttons
	// hook the listener on create.
	updateEnablement(installedPropButton);
	updateEnablement(uninstallButton);
	updateEnablement(updateButton);
	}

	private void updateEnablement(Button button) {
	IAction action = getButtonAction(button);
	if (action != null) {
	button.setEnabled(action.isEnabled());
	}
	}

	private Button createVerticalButton(Composite parent, String label, boolean defaultButton) {
	Button button = new Button(parent, SWT.PUSH);
	button.setText(label);

	GridData data = setButtonLayoutData(button);
	data.horizontalAlignment = GridData.FILL;

	button.addListener(SWT.Selection, new Listener() {
	public void handleEvent(Event event) {
	verticalButtonPressed(event);
	}
	});
	button.setToolTipText(label);
	if (defaultButton) {
	Shell shell = parent.getShell();
	if (shell != null) {
	shell.setDefaultButton(button);
	}
	}
	return button;
	}

	void verticalButtonPressed(Event event) {
	IAction action = getButtonAction(event.widget);
	if (action != null) {
	action.runWithEvent(event);
	}
	}

	private IAction getButtonAction(Widget widget) {
	Object data = widget.getData(BUTTONACTION);
	if (data == null \|\| !(data instanceof IAction)) {
	return null;
	}
	return (IAction) data;
	}

	private GridData setButtonLayoutData(Button button) {
	GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
	Point minSize = button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
	data.widthHint = Math.max(widthHint, minSize.x);
	button.setLayoutData(data);
	return data;
	}

	private int convertHorizontalDLUsToPixels(int dlus) {
	// shouldn't happen
	if (fm == null) {
	return 0;
	}
	return Dialog.convertHorizontalDLUsToPixels(fm, dlus);
	}

	private int convertVerticalDLUsToPixels(int dlus) {
	// shouldn't happen
	if (fm == null) {
	return 0;
	}
	return Dialog.convertVerticalDLUsToPixels(fm, dlus);
	}

	private void setTableColumns(Table table) {
	// TODO will we ever let callers set the column config?
	IUColumnConfig[] columns = ProvUI.getIUColumnConfig();
	table.setHeaderVisible(true);

	for (int i = 0; i < columns.length; i++) {
	TableColumn tc = new TableColumn(table, SWT.NONE, i);
	tc.setResizable(true);
	tc.setText(columns[i].columnTitle);
	tc.setWidth(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH));
	}
	}

	}