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/**
 * 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.ide.common.client.modeldriven;

/**
 * Used to drive drop downs.
 * @author Michael Neale
 *
 */
public class DropDownData {

	/**
	 * If this is non null, just show these items.
	 */
	public String[] fixedList = null;

	/**
	 * this would be something that takes the name/value pairs and interpolates them into an MVEL expression
	 * that resolves to a list.
	 */
	public String queryExpression = null;

	/**
	 * Something like as list of:
	 * sex=M, name=Michael etc....
	 */
	public String[] valuePairs = null;

	public static DropDownData create(String[] list) {
		if (list == null) return null;
		return new DropDownData(list);
	}

	public static DropDownData create(String queryExpression, String[] valuePairs) {
		if (queryExpression == null) return null;
		return new DropDownData(queryExpression, valuePairs);
	}

	private DropDownData(String[] list) {
		this.fixedList = list;
	}

	private DropDownData(String queryExpression, String[] valuePairs) {
		this.queryExpression = queryExpression;
		this.valuePairs = valuePairs;
	}



}