/*
 *  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.factory

import javax.swing.*
import java.awt.*

/**
 * Factory for creating {@link JSplitPane} nodes.
 */
public class SplitPaneFactory extends AbstractFactory {

    /**
     * Creates the node handled by this factory.
     *
     * @param builder the factory builder
     * @param name the node name
     * @param value the node value
     * @param attributes the node attributes
     * @return the created or reused node
     */
    public Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) throws InstantiationException, IllegalAccessException {
        if (FactoryBuilderSupport.checkValueIsType(value, name, JSplitPane)) {
            return value;
        }
        JSplitPane answer = new JSplitPane();
        answer.setLeftComponent(null);
        answer.setRightComponent(null);
        answer.setTopComponent(null);
        answer.setBottomComponent(null);
        return answer;
    }

    /**
     * Attaches a child node to its parent.
     *
     * @param factory the factory builder
     * @param parent the parent node
     * @param child the child node
     */
    public void setChild(FactoryBuilderSupport factory, Object parent, Object child) {
        if (!(child instanceof Component) || (child instanceof Window)) {
            return;
        }
        if (parent.getOrientation() == JSplitPane.HORIZONTAL_SPLIT) {
            if (parent.getTopComponent() == null) {
                parent.setTopComponent(child);
            } else {
                parent.setBottomComponent(child);
            }
        } else {
            if (parent.getLeftComponent() == null) {
                parent.setLeftComponent(child);
            } else {
                parent.setRightComponent(child);
            }
        }
    }
}
