com.sun.webui.jsf.model.OptionsList Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of webui-jsf Show documentation
Project Woodstock
There is a newer version: 4.4.0.1
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2007-2018 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.webui.jsf.model;

import java.util.ArrayList;
import java.io.Serializable;

/** 
 * Represents a list of selectable options, which can be used to
 * initialize the items property of all selector-based components
 * (Listbox, Dropdown, JumpDropdown, 
 * CheckboxGroup, RadioButtonGroup), and 
 * AddRemove.
 *
 * @author gjmurphy, John Yeary
 */
public class OptionsList implements Serializable {

    private static final long serialVersionUID = 6695656179045426419L;
    private ArrayList options;
    private ArrayList selectedValues;
    private boolean isMultiple;

    public boolean isMultiple() {
        return isMultiple;
    }

    public void setMultiple(boolean isMultiple) {
        this.isMultiple = isMultiple;
    }

    public OptionsList() {
        options = new ArrayList();
        selectedValues = new ArrayList();
        isMultiple = false;
    }

    public void setOptions(Option[] options) {
        this.options.clear();
        if (options == null) {
            return;
        }
        for (int i = 0; i < options.length; i++) {
            this.options.add(options[i]);
        }
    }

    public Option[] getOptions() {
        Option[] options = new Option[this.options.size()];
        this.options.toArray(options);
        return options;
    }

    /**
     * If this options list is in "multiple" mode, value specified may be
     * an array of objects or a singleton. Otherwise, the value is treated as
     * a singleton.
     */
    public void setSelectedValue(Object value) {
        selectedValues.clear();
        if (value == null) {
            return;
        }
        if (value instanceof Object[]) {
            Object[] values = (Object[]) value;
            for (int i = 0; i < values.length; i++) {
                selectedValues.add(values[i]);
            }
        } else {
            selectedValues.add(value);
        }
    }

    /**
     * If this options list is in "multiple" mode, returns an array of objects;
     * otherwise, returns a singleton.
     */
    public Object getSelectedValue() {
        if (isMultiple) {
            if (selectedValues.size() == 0) {
                return new Object[0];
            }
            return selectedValues.toArray();
        } else {
            if (selectedValues.size() == 0) {
                return null;
            }
            return selectedValues.get(0);
        }
    }
}