/*******************************************************************************
 * Copyright (c) 2005-2008 Polarion Software.
 * 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:
 *    Alexander Gurov - Initial API and implementation
 *******************************************************************************/

package org.eclipse.team.svn.ui.panel.remote;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.team.svn.core.connector.ISVNConnector;
import org.eclipse.team.svn.core.connector.SVNRevision;
import org.eclipse.team.svn.core.resource.IRepositoryResource;
import org.eclipse.team.svn.ui.SVNUIMessages;
import org.eclipse.team.svn.ui.composite.DiffFormatComposite;
import org.eclipse.team.svn.ui.composite.RepositoryResourceSelectionComposite;
import org.eclipse.team.svn.ui.panel.common.AbstractRepositoryResourceSelectionPanel;
import org.eclipse.team.svn.ui.utility.InputHistory;

/**
 * Compare operation repository resource selection panel
 * 
 * @author Alexander Gurov
 */
public class ComparePanel extends AbstractRepositoryResourceSelectionPanel {
	
	protected DiffFormatComposite diffFormatComposite;
	protected long options;
	protected Button ignoreAncestryButton;
	protected InputHistory ignoreHistory;
	
    public ComparePanel(IRepositoryResource baseResource) {    	
    	super(baseResource, SVNRevision.INVALID_REVISION_NUMBER, SVNUIMessages.ComparePanel_Title, SVNUIMessages.ComparePanel_Description, "compareUrl", SVNUIMessages.ComparePanel_Selection_Title, SVNUIMessages.ComparePanel_Selection_Description, RepositoryResourceSelectionComposite.TEXT_BASE); //$NON-NLS-1$
    	this.defaultMessage = SVNUIMessages.ComparePanel_Message;
    }
    
    public ComparePanel(IRepositoryResource baseResource, long revision) {    	
    	super(baseResource, revision, SVNUIMessages.ComparePanel_Title, SVNUIMessages.ComparePanel_Description, "compareUrl", SVNUIMessages.ComparePanel_Selection_Title, SVNUIMessages.ComparePanel_Selection_Description, RepositoryResourceSelectionComposite.TEXT_BASE); //$NON-NLS-1$
    	this.defaultMessage = SVNUIMessages.ComparePanel_Message;
    }
    
	public String getHelpId() {
    	return "org.eclipse.team.svn.help.remote_compareDialogContext"; //$NON-NLS-1$
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.team.svn.ui.panel.common.AbstractRepositoryResourceSelectionPanel#createControlsImpl(org.eclipse.swt.widgets.Composite)
	 */
	@Override
	public void createControlsImpl(Composite parent) {
		super.createControlsImpl(parent);
        
		GridData data = new GridData();
        this.ignoreAncestryButton = new Button(parent, SWT.CHECK);
        this.ignoreAncestryButton.setLayoutData(data);
        this.ignoreAncestryButton.setText(SVNUIMessages.MergePanel_Button_IgnoreAncestry);
        this.ignoreHistory = new InputHistory("ignoreAncestry", InputHistory.TYPE_BOOLEAN, (this.options & ISVNConnector.Options.IGNORE_ANCESTRY) != 0); //$NON-NLS-1$
        this.ignoreAncestryButton.setSelection((Boolean)this.ignoreHistory.getValue());
		
		this.diffFormatComposite = new DiffFormatComposite(parent, this);			
	}
	
	public String getDiffFile() {			
		return this.diffFormatComposite.getDiffFile();
	}
	
	public long getDiffOptions() {
		return this.options;
	}
	
	protected void saveChangesImpl() {
		super.saveChangesImpl();
    	this.options |= this.ignoreAncestryButton.getSelection() ? ISVNConnector.Options.IGNORE_ANCESTRY : ISVNConnector.Options.NONE;
    	this.ignoreHistory.setValue(this.ignoreAncestryButton.getSelection());
	}
	
}