ui/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/views/plugins/ImportFromRepositoryActionDelegate.java

/*******************************************************************************
 * Copyright (c) 2011 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.pde.internal.ui.views.plugins;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.pde.internal.ui.wizards.imports.PluginImportOperation;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;

/**
 * Action delegate to import a selected object if it represents a plug-in with a
 * Eclipse-SourceReferences header that can be processed by Team.
 * 
 * @see ImportActionGroup
 */
public class ImportFromRepositoryActionDelegate implements IObjectActionDelegate {

	/**
	 * Stores the last selection to pass to import operation
	 */
	private ISelection fSelection;

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
	 */
	public void run(IAction action) {
		if (fSelection instanceof IStructuredSelection) {
			ImportActionGroup.handleImport(PluginImportOperation.IMPORT_FROM_REPOSITORY, (IStructuredSelection) fSelection);
		}
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
	 */
	public void selectionChanged(IAction action, ISelection selection) {
		fSelection = selection;
		boolean enable = false;
		if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
			enable = ImportActionGroup.canImport((IStructuredSelection) selection);
		}
		action.setEnabled(enable);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart)
	 */
	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
	}

}