org.eclipse.epp.mpc.ui/src/org/eclipse/epp/internal/mpc/ui/wizards/RetryErrorActionItem.java

/*******************************************************************************
 * Copyright (c) 2010 The Eclipse Foundation 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:
 *     The Eclipse Foundation - initial API and implementation
 *******************************************************************************/
package org.eclipse.epp.internal.mpc.ui.wizards;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.epp.internal.mpc.core.MarketplaceClientCore;
import org.eclipse.epp.internal.mpc.ui.catalog.UserActionCatalogItem;
import org.eclipse.equinox.internal.p2.ui.discovery.wizards.DiscoveryResources;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.window.IShellProvider;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Composite;

public class RetryErrorActionItem extends AbstractUserActionLinksItem {

	private static final String RETRY_ACTION_ID = "retry"; //$NON-NLS-1$

	private static final String DETAILS_ACTION_ID = "details"; //$NON-NLS-1$

	private final IStatus error;

	public RetryErrorActionItem(Composite parent, DiscoveryResources resources, IShellProvider shellProvider,
			UserActionCatalogItem element, MarketplaceViewer viewer) {
		super(parent, resources, shellProvider, element, viewer);
		this.error = MarketplaceClientCore.computeStatus((Throwable) element.getData(), null);
		createContent(new ActionLink(DETAILS_ACTION_ID, Messages.RetryErrorActionItem_showDetailsActionLabel,
				Messages.RetryErrorActionItem_showDetailsTooltip) {

			@Override
			public void selected() {
				showDetails();
			}

		}, new ActionLink(RETRY_ACTION_ID, Messages.RetryErrorActionItem_retryActionLabel,
				Messages.RetryErrorActionItem_retryTooltip) {

			@Override
			public void selected() {
				retry();
			}

		});
	}

	@Override
	protected String getDescriptionText() {
		return NLS.bind(Messages.RetryErrorActionItem_failedToLoadMessage,
				error.getMessage() == null ? error.getClass().getSimpleName() : error.getMessage());
	}

	protected void showDetails() {
		ErrorDialog.openError(getShell(), Messages.RetryErrorActionItem_errorDetailsDialogTitle, getDescriptionText(), error);
	}

	protected void retry() {
		this.getViewer().reload();
	}

	@Override
	protected MarketplaceViewer getViewer() {
		return (MarketplaceViewer) super.getViewer();
	}
}