SetPropertyCommand.java from BIRT at Krugle

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/*******************************************************************************
 * Copyright (c) 2004 Actuate Corporation.
 * 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:
 *  Actuate Corporation  - initial API and implementation
 *******************************************************************************/

package org.eclipse.birt.report.designer.core.commands;

import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.eclipse.birt.report.designer.core.DesignerConstants;
import org.eclipse.birt.report.designer.util.DEUtil;
import org.eclipse.birt.report.model.api.DesignElementHandle;
import org.eclipse.birt.report.model.api.activity.SemanticException;
import org.eclipse.birt.report.model.api.metadata.IElementPropertyDefn;
import org.eclipse.gef.commands.Command;

/**
 * This command set a generic property on a model object
 * 
 * 
 */

public class SetPropertyCommand extends Command
{

	private Object model;

	private Map extendsData;

	public SetPropertyCommand( Object model, Map extendsData )
	{
		this.model = model;
		this.extendsData = extendsData;
	}

	/**
	 * Executes the Command. This method should not be called if the Command is
	 * not executable.
	 */

	public void execute( )
	{
		if ( DesignerConstants.TRACING_COMMANDS )
		{
			System.out.println( "SetPropertyCommand >> Starts ..." ); //$NON-NLS-1$
		}
		try
		{
			DesignElementHandle handle = (DesignElementHandle) model;
			List elementProperties = handle.getDefn( ).getProperties( );

			for ( Iterator it = elementProperties.iterator( ); it.hasNext( ); )
			{
				String key = ( (IElementPropertyDefn) it.next( ) ).getName( );
				Object value = null;
				if ( ( value = extendsData.get( DEUtil.getGUIPropertyKey( key ) ) ) != null )
				{
					if ( DesignerConstants.TRACING_COMMANDS )
					{
						System.out.println( "SetPropertyCommand >>  Target: " //$NON-NLS-1$
								+ DEUtil.getDisplayLabel( handle )
								+ ",Property: " //$NON-NLS-1$
								+ key
								+ ",Value: " //$NON-NLS-1$
								+ value );
					}
					handle.setProperty( key, value );
				}
			}
			if ( DesignerConstants.TRACING_COMMANDS )
			{
				System.out.println( "SetPropertyCommand >> Finished" ); //$NON-NLS-1$
			}
		}
		catch ( SemanticException e )
		{
			if ( DesignerConstants.TRACING_COMMANDS )
			{
				System.out.println( "SetPropertyCommand >> Failed" ); //$NON-NLS-1$
			}
			e.printStackTrace( );
		}
	}
}
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