/*
* 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.mandelbrot.paletteRenderer;
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.mandelbrot.MandelbrotRegistry;
import net.sf.jame.mandelbrot.paletteRenderer.extension.PaletteRendererExtensionConfig;
import net.sf.jame.mandelbrot.paletteRenderer.extension.PaletteRendererExtensionRuntime;
/**
* @author Andrea Medeghini
*/
public class PaletteRendererRuntimeElement extends RuntimeElement {
private PaletteRendererExtensionRuntime<?> rendererRuntime;
private PaletteRendererConfigElement rendererElement;
private ExtensionListener extensionListener;
/**
* Constructs a new renderer element.
*
* @param rendererElement
*/
public PaletteRendererRuntimeElement(final PaletteRendererConfigElement rendererElement) {
if (rendererElement == null) {
throw new IllegalArgumentException("rendererElement is null");
}
this.rendererElement = rendererElement;
createRuntime(rendererElement.getReference());
extensionListener = new ExtensionListener();
rendererElement.getExtensionElement().addChangeListener(extensionListener);
}
/**
* @see net.sf.jame.core.config.RuntimeElement#dispose()
*/
@Override
public void dispose() {
if ((rendererElement != null) && (extensionListener != null)) {
rendererElement.getExtensionElement().removeChangeListener(extensionListener);
}
extensionListener = null;
if (rendererRuntime != null) {
rendererRuntime.dispose();
rendererRuntime = null;
}
rendererElement = null;
super.dispose();
}
@SuppressWarnings("unchecked")
private void createRuntime(final ConfigurableExtensionReference<PaletteRendererExtensionConfig> reference) {
try {
if (reference != null) {
final PaletteRendererExtensionRuntime rendererRuntime = MandelbrotRegistry.getInstance().getPaletteRendererExtension(reference.getExtensionId()).createExtensionRuntime();
final PaletteRendererExtensionConfig rendererConfig = reference.getExtensionConfig();
rendererRuntime.setConfig(rendererConfig);
setRendererRuntime(rendererRuntime);
}
else {
setRendererRuntime(null);
}
}
catch (final ExtensionNotFoundException e) {
e.printStackTrace();
}
catch (final ExtensionException e) {
e.printStackTrace();
}
}
/**
* @return the rendererRuntime
*/
public PaletteRendererExtensionRuntime<?> getRendererRuntime() {
return rendererRuntime;
}
private void setRendererRuntime(final PaletteRendererExtensionRuntime<?> rendererRuntime) {
if (this.rendererRuntime != null) {
this.rendererRuntime.dispose();
}
this.rendererRuntime = rendererRuntime;
}
/**
* @see net.sf.jame.core.config.RuntimeElement#isChanged()
*/
@Override
public boolean isChanged() {
final boolean rendererChanged = (rendererRuntime != null) && rendererRuntime.isChanged();
return super.isChanged() || rendererChanged;
}
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<PaletteRendererExtensionConfig>) e.getParams()[0]);
fireChanged();
break;
}
default: {
break;
}
}
}
}
}