/*
 *  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
 *  under the License.
 */
package groovy.swing.binding

import javax.swing.JList
import javax.swing.ListModel

/**
 * Adds synthetic convenience properties used by Swing binding code for {@link JList}.
 *
 * @since 1.7.5
 */
class JListMetaMethods {
    /**
     * Enhances the list with synthetic element and selection accessors.
     *
     * @param list the list to enhance
     */
    static void enhanceMetaClass(JList list) {
        AbstractSyntheticMetaMethods.enhance(list, [
                getElements        : { ->
                    ListModel model = delegate.model
                    def results = []
                    int size = model.size
                    for (int i = 0; i < size; i++) {
                        results += model.getElementAt(i)
                    }
                    return results
                },

                getSelectedElement : { ->
                    return delegate.selectedValue
                },

                getSelectedElements: { ->
                    return delegate.selectedValues
                },

                setSelectedElement : { def item ->
                    return delegate.setSelectedValue(item, true)
                },

                setSelectedValue   : { def item ->
                    return delegate.setSelectedValue(item, true)
                },
        ])
    }
}
