/**********************************************************************
 * Copyright (c) 2004 IBM Corporation and others. All rights reserved.   This
 * program and the accompanying materials are made available under the terms of
 * the Common Public License v1.0 which accompanies this distribution, and is
 * available at http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors: 
 * IBM - Initial API and implementation
 **********************************************************************/
package org.eclipse.ui.internal.ide.actions;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.*;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
import org.eclipse.ui.internal.ide.dialogs.CleanDialog;
/**
 * The clean action replaces the rebuild actions. Clean will discard all built
 * state for all projects in the workspace, and deletes all problem markers.
 * The next time a build is run, projects will have to be built from scratch.
 * Technically this is only necessary if an incremental builder misbehaves.
 * 
 * @since 3.0
 */
public class BuildCleanAction extends Action implements ActionFactory.IWorkbenchAction {
	private IWorkbenchWindow window;
	public BuildCleanAction(IWorkbenchWindow window) {
		super(IDEWorkbenchMessages.getString("Workbench.buildClean")); //$NON-NLS-1$
		setActionDefinitionId("org.eclipse.ui.project.cleanAction"); //$NON-NLS-1$
		this.window = window;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.actions.ActionFactory.IWorkbenchAction#dispose()
	 */
	public void dispose() {
		//nothing to dispose
	}
	public void run() {
		ISelection selection = window.getSelectionService().getSelection();
		IProject[] selected = null;
		if (selection != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
			selected = BuildSetAction.extractProjects(((IStructuredSelection)selection).toArray());
		} else {
			//see if we can extract a selected project from the active editor
			IWorkbenchPart part = window.getPartService().getActivePart();
			if (part instanceof IEditorPart) {
				IEditorInput input = ((IEditorPart)part).getEditorInput();
				if (input instanceof IFileEditorInput)
					selected = new IProject[] {((IFileEditorInput)input).getFile().getProject()};
			}
		}
		if (selected == null)
			selected = new IProject[0];
		new CleanDialog(window, selected).open();
	}
}