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Groovy example source code file (ScrollPaneFactory.groovy)

This example Groovy source code file (ScrollPaneFactory.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

awt, beanfactory, component, component, gui, jviewport, object, object, runtimeexception, scrollpane, scrollpanefactory, scrollpanefactory, swing, window, window

The Groovy ScrollPaneFactory.groovy source code

/*
 * Copyright 2003-2007 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 java.awt.Component
import java.awt.Window
import javax.swing.JScrollPane
import javax.swing.JViewport

class ScrollPaneFactory extends BeanFactory {

    public ScrollPaneFactory() {
        this(JScrollPane)
    }

    public ScrollPaneFactory(Class klass) {
        super(klass, false);
    }

    public void setChild(FactoryBuilderSupport factory, Object parent, Object child) {
        if (!(child instanceof Component) || (child instanceof Window)) {
            return;
        }
        if (parent.getViewport()?.getView() != null) {
            throw new RuntimeException("ScrollPane can only have one child component");
        }
        if (child instanceof JViewport) {
            parent.setViewport(child);
        } else {
            parent.setViewportView(child);
        }

    }

}

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