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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
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package com.sun.star.wizards.ui.event;

import com.sun.star.awt.XItemListener;
import com.sun.star.awt.XRadioButton;
import com.sun.star.uno.UnoRuntime;

/**
 * @author rpiterman
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class RadioDataAware extends DataAware
{

    protected XRadioButton[] radioButtons;

    public RadioDataAware(Object data, Value value, Object[] radioButs)
    {
        super(data, value);
        radioButtons = new XRadioButton[radioButs.length];
        for (int i = 0; i < radioButs.length; i++)
        {
            radioButtons[i] = UnoRuntime.queryInterface(XRadioButton.class, radioButs[i]);
        }
    }

    /* (non-Javadoc)
     * @see com.sun.star.wizards.ui.DataAware#setToUI(java.lang.Object)
     */
    protected void setToUI(Object value)
    {
        int selected = ((Number) value).intValue();
        if (selected == -1)
        {
            for (int i = 0; i < radioButtons.length; i++)
            {
                radioButtons[i].setState(false);
            }
        }
        else
        {
            radioButtons[selected].setState(true);
        }
    }

    /* (non-Javadoc)
     * @see com.sun.star.wizards.ui.DataAware#getFromUI()
     */
    protected Object getFromUI()
    {
        for (int i = 0; i < radioButtons.length; i++)
        {
            if (radioButtons[i].getState())
            {
                return new Integer(i);
            }
        }
        return new Integer(-1);
    }

    public static DataAware attachRadioButtons(Object data, String dataProp, Object[] buttons, final Listener listener, boolean field)
    {
        final RadioDataAware da = new RadioDataAware(data,
                field
                ? DataAwareFields.getFieldValueFor(data, dataProp, 0)
                : new DataAware.PropertyValue(dataProp, data), buttons);
        XItemListener xil = UnoDataAware.itemListener(da, listener);
        for (int i = 0; i < da.radioButtons.length; i++)
        {
            da.radioButtons[i].addItemListener(xil);
        }
        return da;
    }
}