package org.eclipse.team.internal.ccvs.ui.actions;

/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.team.core.RepositoryProvider;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.CVSProviderPlugin;
import org.eclipse.team.internal.ccvs.core.ICVSResource;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.team.internal.ccvs.ui.RepositoryManager;
import org.eclipse.team.internal.ui.actions.TeamAction;
import org.eclipse.ui.actions.WorkspaceModifyOperation;

/**
 * Action for checking in files to a CVS provider.
 * Prompts the user for a release comment.
 */
public class CommitAction extends CVSAction {
	/*
	 * @see IActionDelegate#run(IAction)
	 */
	public void execute(IAction action) {
		run(new WorkspaceModifyOperation() {
			public void execute(IProgressMonitor monitor) throws InterruptedException, InvocationTargetException {
				try {
					RepositoryManager manager = CVSUIPlugin.getPlugin().getRepositoryManager();
					String comment = promptForComment(manager);
					if (comment != null) {
						manager.commit(getSelectedResources(), comment, monitor);
					}
				} catch (TeamException e) {
					throw new InvocationTargetException(e);
				}
			}
		}, Policy.bind("CommitAction.commitFailed"), PROGRESS_DIALOG); //$NON-NLS-1$
	}
	
	/*
	 * @see TeamAction#isEnabled()
	 */
	protected boolean isEnabled() throws TeamException {
		IResource[] resources = getSelectedResources();
		if (resources.length == 0) return false;
		for (int i = 0; i < resources.length; i++) {
			IResource resource = resources[i];
			RepositoryProvider provider = RepositoryProvider.getProvider(resource.getProject(), CVSProviderPlugin.getTypeId());
			if (provider == null) return false;
			ICVSResource cvsResource = CVSWorkspaceRoot.getCVSResourceFor(resource);
			if (resource.getType()!=IResource.PROJECT&&!cvsResource.isManaged()) return false;
		}
		return true;
	}
	
	/**
	 * Prompts the user for a release comment.
	 * @return the comment, or null to cancel
	 */
	protected String promptForComment(RepositoryManager manager) {
		return manager.promptForComment(getShell());
	}
}