subprojects/groovy-swing/src/main/groovy/groovy/swing/factory/RendererFactory.groovy

/*
 *  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 groovy.swing.impl.ClosureRenderer

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

class RendererFactory extends AbstractFactory {

    Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) {
        FactoryBuilderSupport.checkValueIsNull value, name
        return new ClosureRenderer()
    }

    void setChild(FactoryBuilderSupport builder, Object parent, Object child) {
        if (child instanceof Component) {
            parent.children += child
        }
    }

    void onNodeCompleted(FactoryBuilderSupport builder, Object parent, Object node) {
        node.update = builder.context.updateClosure
        if (parent instanceof JTree) {
            parent.cellRenderer = node
        } else if (parent instanceof JList) {
            parent.cellRenderer = node
        }
    }
}

class RendererUpdateFactory extends AbstractFactory {

    Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) {
        return Collections.emptyMap()
    }

    boolean isHandlesNodeChildren() {
        return true
    }

    boolean onNodeChildren(FactoryBuilderSupport builder, Object node, Closure childContent) {
        builder.parentContext.updateClosure = childContent
        return false
    }
}