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

/*
 * (c) Copyright IBM Corp. 2000, 2002.
 * All Rights Reserved.
 */

import org.eclipse.compare.CompareUI;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.team.internal.ccvs.core.CVSTag;
import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
import org.eclipse.team.internal.ccvs.ui.ICVSUIConstants;
import org.eclipse.team.internal.ccvs.ui.Policy;

public class MergeWizard extends Wizard {
	MergeWizardStartPage startPage;
	MergeWizardEndPage endPage;
	IResource[] resources;

	public void addPages() {
		
		// when merging multiple resources, use the tags found on the first selected
		// resource. This makes sense because you would typically merge resources that
		// have a common context and are versioned and branched together.
		IProject projectForTagRetrieval = resources[0].getProject();
				
		setWindowTitle(Policy.bind("MergeWizard.title")); //$NON-NLS-1$
		ImageDescriptor mergeImage = CVSUIPlugin.getPlugin().getImageDescriptor(ICVSUIConstants.IMG_WIZBAN_MERGE);
		startPage = new MergeWizardStartPage("startPage", Policy.bind("MergeWizard.start"), mergeImage); //$NON-NLS-1$ //$NON-NLS-2$
		startPage.setProject(projectForTagRetrieval);
		addPage(startPage);
		endPage = new MergeWizardEndPage("endPage", Policy.bind("MergeWizard.end"), mergeImage, startPage); //$NON-NLS-1$ //$NON-NLS-2$
		endPage.setProject(projectForTagRetrieval);
		addPage(endPage);
	}

	/*
	 * @see IWizard#performFinish()
	 */
	public boolean performFinish() {
		CVSTag startTag = startPage.getTag();
		CVSTag endTag = endPage.getTag();				
		CompareUI.openCompareEditor(new MergeEditorInput(resources, startTag, endTag));
		return true;
	}
	
	/*
	 * Set the resources that should be merged.
	 */
	public void setResources(IResource[] resources) {
		this.resources = resources;
	}
}