bundles/org.eclipse.equinox.p2.ui.sdk/src/org/eclipse/equinox/internal/provisional/p2/ui/sdk/RepositoryManipulationDialog.java - equinox/rt.equinox.p2 - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2008 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.internal.provisional.p2.ui.sdk;

 import java.util.ArrayList;
 import org.eclipse.equinox.internal.p2.ui.sdk.*;
 import org.eclipse.equinox.internal.provisional.p2.core.repository.RepositoryEvent;
 import org.eclipse.equinox.internal.provisional.p2.ui.*;
 import org.eclipse.equinox.internal.provisional.p2.ui.actions.PropertyDialogAction;
 import org.eclipse.equinox.internal.provisional.p2.ui.dialogs.RepositoryManipulatorDropTarget;
 import org.eclipse.equinox.internal.provisional.p2.ui.model.*;
 import org.eclipse.equinox.internal.provisional.p2.ui.viewers.*;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.dialogs.*;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.jface.window.SameShellProvider;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.dnd.*;
 import org.eclipse.swt.events.DisposeEvent;
 import org.eclipse.swt.events.DisposeListener;
 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.PlatformUI;

 /**
  * Dialog that allows users to update, add, or remove repositories.
  *
  * @since 3.4
  */
 public class RepositoryManipulationDialog extends TrayDialog {
 	private final static int WIDTH_IN_DLUS = 480;
 	private final static int HEIGHT_IN_DLUS = 240;
 	protected static final String BUTTONACTION = "buttonAction"; //$NON-NLS-1$

 	StructuredViewerProvisioningListener listener;
 	private CheckboxTableViewer repositoryViewer;
 	private IRepositoryManipulator manipulator;
 	private RepositoryContentProvider contentProvider;
 	private boolean changed = false;

 	Button propertiesButton, removeButton;

 	/**
 	 * Create an instance of this Dialog.
 	 *
 	 */
 	public RepositoryManipulationDialog(Shell shell, IRepositoryManipulator manipulator) {
 		super(shell);
 		this.manipulator = manipulator;
 	}

 	protected void configureShell(Shell shell) {
 		shell.setText(ProvSDKMessages.RepositoryManipulationDialog_UpdateSitesDialogTitle);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IProvSDKHelpContextIds.REPOSITORY_MANIPULATION_DIALOG);

 		super.configureShell(shell);
 	}

 	protected Control createDialogArea(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		composite.setLayoutData(new GridData(GridData.FILL_BOTH));

 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
 		layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
 		layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
 		layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
 		composite.setLayout(layout);

 		Label label = new Label(composite, SWT.NONE);
 		label.setText(ProvSDKMessages.RepositoryManipulationDialog_SelectMessage);
 		GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);
 		data.horizontalSpan = 2;
 		data.horizontalIndent = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
 		label.setLayoutData(data);

 		// Table of available repositories
 		Table table = new Table(composite, SWT.CHECK | SWT.MULTI | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
 		repositoryViewer = new CheckboxTableViewer(table);
 		setTableColumns(table);
 		contentProvider = new RepositoryContentProvider(ProvSDKUIActivator.getDefault().getQueryProvider());
 		repositoryViewer.setComparer(new ProvElementComparer());
 		repositoryViewer.setComparator(new ViewerComparator());
 		repositoryViewer.setContentProvider(contentProvider);
 		repositoryViewer.setLabelProvider(new ProvElementLabelProvider());

 		// Input last
 		repositoryViewer.setInput(getInput());
 		setCheckState();

 		repositoryViewer.addCheckStateListener(new ICheckStateListener() {
 			public void checkStateChanged(CheckStateChangedEvent event) {
 				if (event.getElement() instanceof MetadataRepositoryElement) {
 					((MetadataRepositoryElement) event.getElement()).setEnabled(event.getChecked());
 					changed = true;
 				}
 			}
 		});

 		DropTarget target = new DropTarget(repositoryViewer.getControl(), DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK);
 		target.setTransfer(new Transfer[] {URLTransfer.getInstance(), FileTransfer.getInstance()});
 		target.addDropListener(new RepositoryManipulatorDropTarget(manipulator, repositoryViewer.getControl()));

 		data = new GridData(GridData.FILL_BOTH);
 		data.grabExcessHorizontalSpace = true;
 		data.grabExcessVerticalSpace = true;
 		data.widthHint = convertHorizontalDLUsToPixels(WIDTH_IN_DLUS);
 		data.heightHint = convertVerticalDLUsToPixels(HEIGHT_IN_DLUS);
 		repositoryViewer.getControl().setLayoutData(data);

 		// Vertical buttons
 		Composite verticalButtonBar = (Composite) createVerticalButtonBar(composite);
 		data = new GridData(GridData.FILL_VERTICAL);
 		data.verticalIndent = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_BAR_HEIGHT);
 		verticalButtonBar.setLayoutData(data);
 		listener = getViewerProvisioningListener();

 		// Must be done after buttons are created so they
 		// get selection notifications first and can update their
 		// enablement
 		repositoryViewer.addSelectionChangedListener(new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent event) {
 				validateButtons();
 			}
 		});
 		ProvUI.addProvisioningListener(listener);
 		composite.addDisposeListener(new DisposeListener() {
 			public void widgetDisposed(DisposeEvent event) {
 				ProvUI.removeProvisioningListener(listener);
 			}
 		});
 		Dialog.applyDialogFont(composite);
 		validateButtons();
 		return composite;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.dialogs.Dialog#isResizable()
 	 */
 	protected boolean isResizable() {
 		return true;
 	}

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

 		GridData data = setVerticalButtonLayoutData(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) {
 		Object data = event.widget.getData(BUTTONACTION);
 		if (data == null || !(data instanceof IAction)) {
 			return;
 		}
 		IAction action = (IAction) data;
 		action.runWithEvent(event);
 	}

 	private GridData setVerticalButtonLayoutData(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 void setTableColumns(Table table) {
 		table.setHeaderVisible(true);
 		String[] columnHeaders = {ProvSDKMessages.RepositoryManipulationDialog_NameColumnHeader, ProvSDKMessages.RepositoryManipulationDialog_LocationColumnHeader};
 		for (int i = 0; i < columnHeaders.length; i++) {
 			TableColumn tc = new TableColumn(table, SWT.NONE, i);
 			tc.setResizable(true);
 			tc.setText(columnHeaders[i]);
 			tc.setWidth(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH));
 		}
 	}

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

 		// 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);

 		createVerticalButtons(composite);
 		return composite;
 	}

 	private void createVerticalButtons(Composite parent) {
 		propertiesButton = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_PropertiesButton, false);
 		propertiesButton.setData(BUTTONACTION, new PropertyDialogAction(new SameShellProvider(parent.getShell()), repositoryViewer));
 		// spacer
 		new Label(parent, SWT.NONE);

 		Button button = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_AddButton, false);
 		button.setData(BUTTONACTION, new AddColocatedRepositoryAction(repositoryViewer, getShell()));
 		removeButton = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_RemoveButton, false);
 		removeButton.setData(BUTTONACTION, new RemoveColocatedRepositoryAction(repositoryViewer, getShell()));

 		// spacer
 		new Label(parent, SWT.NONE);

 		button = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_Import, false);
 		button.setData(BUTTONACTION, new Action() {
 			public void run() {
 				BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
 					public void run() {
 						UpdateManagerCompatibility.importSites(getShell());
 					}
 				});
 			}
 		});
 		button = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_Export, false);
 		button.setData(BUTTONACTION, new Action() {
 			public void run() {
 				BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
 					public void run() {
 						UpdateManagerCompatibility.exportSites(getShell(), getElements());
 					}
 				});
 			}
 		});
 	}

 	private MetadataRepositories getInput() {
 		MetadataRepositories input = new MetadataRepositories();
 		input.setIncludeDisabledRepositories(true);
 		input.setQueryProvider(ProvSDKUIActivator.getDefault().getQueryProvider());
 		input.setQueryContext(new AvailableIUViewQueryContext(AvailableIUViewQueryContext.VIEW_BY_REPO));
 		return input;
 	}

 	protected void okPressed() {
 		if (changed)
 			ElementUtils.updateRepositoryUsingElements(getElements(), getShell());
 		super.okPressed();
 	}

 	private StructuredViewerProvisioningListener getViewerProvisioningListener() {
 		return new StructuredViewerProvisioningListener(repositoryViewer, StructuredViewerProvisioningListener.PROV_EVENT_METADATA_REPOSITORY, ProvSDKUIActivator.getDefault().getQueryProvider()) {
 			protected void repositoryDiscovered(RepositoryEvent e) {
 				asyncRefresh();
 			}

 			protected void repositoryChanged(RepositoryEvent e) {
 				asyncRefresh();
 			}

 			protected void refreshAll() {
 				super.refreshAll();
 				setCheckState();
 			}
 		};
 	}

 	private void setCheckState() {
 		MetadataRepositoryElement[] elements = getElements();
 		for (int i = 0; i < elements.length; i++)
 			repositoryViewer.setChecked(elements[i], elements[i].isEnabled());
 	}

 	private MetadataRepositoryElement[] getElements() {
 		TableItem[] items = repositoryViewer.getTable().getItems();
 		ArrayList list = new ArrayList(items.length);
 		for (int i = 0; i < items.length; i++) {
 			if (items[i].getData() instanceof MetadataRepositoryElement)
 				list.add(items[i].getData());
 		}
 		return (MetadataRepositoryElement[]) list.toArray(new MetadataRepositoryElement[list.size()]);
 	}

 	void validateButtons() {
 		IAction action = (IAction) propertiesButton.getData(BUTTONACTION);
 		if (action != null)
 			propertiesButton.setEnabled(action.isEnabled());
 		action = (IAction) removeButton.getData(BUTTONACTION);
 		if (action != null)
 			removeButton.setEnabled(action.isEnabled());
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2007, 2008 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.internal.provisional.p2.ui.sdk;

	import java.util.ArrayList;
	import org.eclipse.equinox.internal.p2.ui.sdk.*;
	import org.eclipse.equinox.internal.provisional.p2.core.repository.RepositoryEvent;
	import org.eclipse.equinox.internal.provisional.p2.ui.*;
	import org.eclipse.equinox.internal.provisional.p2.ui.actions.PropertyDialogAction;
	import org.eclipse.equinox.internal.provisional.p2.ui.dialogs.RepositoryManipulatorDropTarget;
	import org.eclipse.equinox.internal.provisional.p2.ui.model.*;
	import org.eclipse.equinox.internal.provisional.p2.ui.viewers.*;
	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.action.IAction;
	import org.eclipse.jface.dialogs.*;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.jface.window.SameShellProvider;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.BusyIndicator;
	import org.eclipse.swt.dnd.*;
	import org.eclipse.swt.events.DisposeEvent;
	import org.eclipse.swt.events.DisposeListener;
	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.PlatformUI;

	/**
	* Dialog that allows users to update, add, or remove repositories.
	*
	* @since 3.4
	*/
	public class RepositoryManipulationDialog extends TrayDialog {
	private final static int WIDTH_IN_DLUS = 480;
	private final static int HEIGHT_IN_DLUS = 240;
	protected static final String BUTTONACTION = "buttonAction"; //$NON-NLS-1$

	StructuredViewerProvisioningListener listener;
	private CheckboxTableViewer repositoryViewer;
	private IRepositoryManipulator manipulator;
	private RepositoryContentProvider contentProvider;
	private boolean changed = false;

	Button propertiesButton, removeButton;

	/**
	* Create an instance of this Dialog.
	*
	*/
	public RepositoryManipulationDialog(Shell shell, IRepositoryManipulator manipulator) {
	super(shell);
	this.manipulator = manipulator;
	}

	protected void configureShell(Shell shell) {
	shell.setText(ProvSDKMessages.RepositoryManipulationDialog_UpdateSitesDialogTitle);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IProvSDKHelpContextIds.REPOSITORY_MANIPULATION_DIALOG);

	super.configureShell(shell);
	}

	protected Control createDialogArea(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayoutData(new GridData(GridData.FILL_BOTH));

	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
	layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
	layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
	layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
	composite.setLayout(layout);

	Label label = new Label(composite, SWT.NONE);
	label.setText(ProvSDKMessages.RepositoryManipulationDialog_SelectMessage);
	GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);
	data.horizontalSpan = 2;
	data.horizontalIndent = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
	label.setLayoutData(data);

	// Table of available repositories
	Table table = new Table(composite, SWT.CHECK \| SWT.MULTI \| SWT.FULL_SELECTION \| SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER);
	repositoryViewer = new CheckboxTableViewer(table);
	setTableColumns(table);
	contentProvider = new RepositoryContentProvider(ProvSDKUIActivator.getDefault().getQueryProvider());
	repositoryViewer.setComparer(new ProvElementComparer());
	repositoryViewer.setComparator(new ViewerComparator());
	repositoryViewer.setContentProvider(contentProvider);
	repositoryViewer.setLabelProvider(new ProvElementLabelProvider());

	// Input last
	repositoryViewer.setInput(getInput());
	setCheckState();

	repositoryViewer.addCheckStateListener(new ICheckStateListener() {
	public void checkStateChanged(CheckStateChangedEvent event) {
	if (event.getElement() instanceof MetadataRepositoryElement) {
	((MetadataRepositoryElement) event.getElement()).setEnabled(event.getChecked());
	changed = true;
	}
	}
	});

	DropTarget target = new DropTarget(repositoryViewer.getControl(), DND.DROP_MOVE \| DND.DROP_COPY \| DND.DROP_LINK);
	target.setTransfer(new Transfer[] {URLTransfer.getInstance(), FileTransfer.getInstance()});
	target.addDropListener(new RepositoryManipulatorDropTarget(manipulator, repositoryViewer.getControl()));

	data = new GridData(GridData.FILL_BOTH);
	data.grabExcessHorizontalSpace = true;
	data.grabExcessVerticalSpace = true;
	data.widthHint = convertHorizontalDLUsToPixels(WIDTH_IN_DLUS);
	data.heightHint = convertVerticalDLUsToPixels(HEIGHT_IN_DLUS);
	repositoryViewer.getControl().setLayoutData(data);

	// Vertical buttons
	Composite verticalButtonBar = (Composite) createVerticalButtonBar(composite);
	data = new GridData(GridData.FILL_VERTICAL);
	data.verticalIndent = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_BAR_HEIGHT);
	verticalButtonBar.setLayoutData(data);
	listener = getViewerProvisioningListener();

	// Must be done after buttons are created so they
	// get selection notifications first and can update their
	// enablement
	repositoryViewer.addSelectionChangedListener(new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent event) {
	validateButtons();
	}
	});
	ProvUI.addProvisioningListener(listener);
	composite.addDisposeListener(new DisposeListener() {
	public void widgetDisposed(DisposeEvent event) {
	ProvUI.removeProvisioningListener(listener);
	}
	});
	Dialog.applyDialogFont(composite);
	validateButtons();
	return composite;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.dialogs.Dialog#isResizable()
	*/
	protected boolean isResizable() {
	return true;
	}

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

	GridData data = setVerticalButtonLayoutData(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) {
	Object data = event.widget.getData(BUTTONACTION);
	if (data == null \|\| !(data instanceof IAction)) {
	return;
	}
	IAction action = (IAction) data;
	action.runWithEvent(event);
	}

	private GridData setVerticalButtonLayoutData(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 void setTableColumns(Table table) {
	table.setHeaderVisible(true);
	String[] columnHeaders = {ProvSDKMessages.RepositoryManipulationDialog_NameColumnHeader, ProvSDKMessages.RepositoryManipulationDialog_LocationColumnHeader};
	for (int i = 0; i < columnHeaders.length; i++) {
	TableColumn tc = new TableColumn(table, SWT.NONE, i);
	tc.setResizable(true);
	tc.setText(columnHeaders[i]);
	tc.setWidth(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH));
	}
	}

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

	// 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);

	createVerticalButtons(composite);
	return composite;
	}

	private void createVerticalButtons(Composite parent) {
	propertiesButton = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_PropertiesButton, false);
	propertiesButton.setData(BUTTONACTION, new PropertyDialogAction(new SameShellProvider(parent.getShell()), repositoryViewer));
	// spacer
	new Label(parent, SWT.NONE);

	Button button = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_AddButton, false);
	button.setData(BUTTONACTION, new AddColocatedRepositoryAction(repositoryViewer, getShell()));
	removeButton = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_RemoveButton, false);
	removeButton.setData(BUTTONACTION, new RemoveColocatedRepositoryAction(repositoryViewer, getShell()));

	// spacer
	new Label(parent, SWT.NONE);

	button = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_Import, false);
	button.setData(BUTTONACTION, new Action() {
	public void run() {
	BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
	public void run() {
	UpdateManagerCompatibility.importSites(getShell());
	}
	});
	}
	});
	button = createVerticalButton(parent, ProvSDKMessages.RepositoryManipulationDialog_Export, false);
	button.setData(BUTTONACTION, new Action() {
	public void run() {
	BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
	public void run() {
	UpdateManagerCompatibility.exportSites(getShell(), getElements());
	}
	});
	}
	});
	}

	private MetadataRepositories getInput() {
	MetadataRepositories input = new MetadataRepositories();
	input.setIncludeDisabledRepositories(true);
	input.setQueryProvider(ProvSDKUIActivator.getDefault().getQueryProvider());
	input.setQueryContext(new AvailableIUViewQueryContext(AvailableIUViewQueryContext.VIEW_BY_REPO));
	return input;
	}

	protected void okPressed() {
	if (changed)
	ElementUtils.updateRepositoryUsingElements(getElements(), getShell());
	super.okPressed();
	}

	private StructuredViewerProvisioningListener getViewerProvisioningListener() {
	return new StructuredViewerProvisioningListener(repositoryViewer, StructuredViewerProvisioningListener.PROV_EVENT_METADATA_REPOSITORY, ProvSDKUIActivator.getDefault().getQueryProvider()) {
	protected void repositoryDiscovered(RepositoryEvent e) {
	asyncRefresh();
	}

	protected void repositoryChanged(RepositoryEvent e) {
	asyncRefresh();
	}

	protected void refreshAll() {
	super.refreshAll();
	setCheckState();
	}
	};
	}

	private void setCheckState() {
	MetadataRepositoryElement[] elements = getElements();
	for (int i = 0; i < elements.length; i++)
	repositoryViewer.setChecked(elements[i], elements[i].isEnabled());
	}

	private MetadataRepositoryElement[] getElements() {
	TableItem[] items = repositoryViewer.getTable().getItems();
	ArrayList list = new ArrayList(items.length);
	for (int i = 0; i < items.length; i++) {
	if (items[i].getData() instanceof MetadataRepositoryElement)
	list.add(items[i].getData());
	}
	return (MetadataRepositoryElement[]) list.toArray(new MetadataRepositoryElement[list.size()]);
	}

	void validateButtons() {
	IAction action = (IAction) propertiesButton.getData(BUTTONACTION);
	if (action != null)
	propertiesButton.setEnabled(action.isEnabled());
	action = (IAction) removeButton.getData(BUTTONACTION);
	if (action != null)
	removeButton.setEnabled(action.isEnabled());
	}

	}