groovy.swing.factory.RendererFactory.groovy Maven / Gradle / Ivy

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Groovy: A powerful, dynamic language for the JVM

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/*
 * Copyright 2008 the original author or authors.
 *
 * Licensed 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 java.awt.Component

/**
 * @author Danno Ferrin
 */
class RendererFactory extends AbstractFactory {

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

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

    public void onNodeCompleted(FactoryBuilderSupport builder, Object parent, Object node) {
        node.update = builder.updateClosure
    }
}

class RendererUpdateFactory extends AbstractFactory {

    public Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) {
        return builder.getCurrent();
    }

    public boolean isHandlesNodeChildren() {
        return true;
    }
    
    public boolean onNodeChildren(FactoryBuilderSupport builder, Object node, Closure childContent) {
        builder.updateClosure = childContent
        return false
    }
}