/*
* JAME 6.2.1
* http://jame.sourceforge.net
*
* Copyright 2001, 2016 Andrea Medeghini
*
* This file is part of JAME.
*
* JAME is an application for creating fractals and other graphics artifacts.
*
* JAME is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JAME is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with JAME. If not, see <http://www.gnu.org/licenses/>.
*
*/
package net.sf.jame.twister.image;
import net.sf.jame.core.common.ExtensionReferenceElement;
import net.sf.jame.core.config.RuntimeElement;
import net.sf.jame.core.config.ValueChangeEvent;
import net.sf.jame.core.config.ValueChangeListener;
import net.sf.jame.core.extension.ConfigurableExtensionReference;
import net.sf.jame.core.extension.ExtensionException;
import net.sf.jame.core.extension.ExtensionNotFoundException;
import net.sf.jame.twister.TwisterRegistry;
import net.sf.jame.twister.image.extension.ImageExtensionConfig;
import net.sf.jame.twister.image.extension.ImageExtensionRuntime;
/**
* @author Andrea Medeghini
*/
public class ImageRuntimeElement extends RuntimeElement {
private ImageExtensionRuntime<?> imageRuntime;
private ImageConfigElement imageElement;
private ExtensionListener extensionListener;
/**
* Constructs a new image.
*
* @param imageElement
*/
public ImageRuntimeElement(final ImageConfigElement imageElement) {
if (imageElement == null) {
throw new IllegalArgumentException("imageElement is null");
}
this.imageElement = imageElement;
createRuntime(imageElement.getReference());
extensionListener = new ExtensionListener();
imageElement.getExtensionElement().addChangeListener(extensionListener);
}
/**
* @see net.sf.jame.core.config.RuntimeElement#dispose()
*/
@Override
public void dispose() {
if ((imageElement != null) && (extensionListener != null)) {
imageElement.getExtensionElement().removeChangeListener(extensionListener);
}
extensionListener = null;
if (imageRuntime != null) {
imageRuntime.dispose();
imageRuntime = null;
}
imageElement = null;
super.dispose();
}
@SuppressWarnings("unchecked")
private void createRuntime(final ConfigurableExtensionReference<ImageExtensionConfig> reference) {
try {
if (reference != null) {
final ImageExtensionRuntime imageRuntime = TwisterRegistry.getInstance().getImageExtension(reference.getExtensionId()).createExtensionRuntime();
final ImageExtensionConfig imageConfig = reference.getExtensionConfig();
imageRuntime.setConfig(imageConfig);
setImageRuntime(imageRuntime);
}
else {
setImageRuntime(null);
}
}
catch (final ExtensionNotFoundException e) {
e.printStackTrace();
}
catch (final ExtensionException e) {
e.printStackTrace();
}
}
/**
* @see net.sf.jame.core.config.RuntimeElement#isChanged()
*/
@Override
public boolean isChanged() {
final boolean imageChanged = (imageRuntime != null) && imageRuntime.isChanged();
return super.isChanged() || imageChanged;
}
/**
* @return the imageRuntime
*/
public ImageExtensionRuntime<?> getImageRuntime() {
return imageRuntime;
}
private void setImageRuntime(final ImageExtensionRuntime<?> imageRuntime) {
if (this.imageRuntime != null) {
this.imageRuntime.dispose();
}
this.imageRuntime = imageRuntime;
}
private class ExtensionListener implements ValueChangeListener {
/**
* @see net.sf.jame.core.config.ValueChangeListener#valueChanged(net.sf.jame.core.config.ValueChangeEvent)
*/
@SuppressWarnings("unchecked")
public void valueChanged(final ValueChangeEvent e) {
switch (e.getEventType()) {
case ExtensionReferenceElement.EXTENSION_REFERENCE_CHANGED: {
createRuntime((ConfigurableExtensionReference<ImageExtensionConfig>) e.getParams()[0]);
fireChanged();
break;
}
default: {
break;
}
}
}
}
}