/**
 * Copyright 2010 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.guvnor.client.modeldriven.ui;
/*
 * Copyright 2005 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import com.google.gwt.event.shared.GwtEvent;

public class ExpressionTypeChangeEvent extends GwtEvent<ExpressionTypeChangeHandler> {
	private static final GwtEvent.Type<ExpressionTypeChangeHandler> TYPE = new GwtEvent.Type<ExpressionTypeChangeHandler>();
	private String oldType;
	private String newType;

	public ExpressionTypeChangeEvent(String oldType, String newType) {
		super();
		this.oldType = oldType;
		this.newType = newType;
	}
	
	public String getOldType() {
		return oldType;
	}

	public String getNewType() {
		return newType;
	}

	@Override
	protected void dispatch(ExpressionTypeChangeHandler handler) {
		
		try {
			handler.onExpressionTypeChanged(this);
		} catch (Throwable e) {
			e.printStackTrace();
		}
	}

	@Override
	public GwtEvent.Type<ExpressionTypeChangeHandler> getAssociatedType() {
		return getType();
	}
	
	public static final Type<ExpressionTypeChangeHandler> getType() {
		return TYPE;
	}
}