/*
* 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.processingFormula;
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.ExtensionException;
import net.sf.jame.core.extension.ExtensionNotFoundException;
import net.sf.jame.core.extension.ExtensionReference;
import net.sf.jame.mandelbrot.MandelbrotRegistry;
import net.sf.jame.mandelbrot.processingFormula.extension.ProcessingFormulaExtensionRuntime;
/**
* @author Andrea Medeghini
*/
public class ProcessingFormulaRuntimeElement extends RuntimeElement {
private ProcessingFormulaExtensionRuntime formulaRuntime;
private ProcessingFormulaConfigElement formulaElement;
private ExtensionListener extensionListener;
/**
* Constructs a new formula element.
*
* @param formulaElement
*/
public ProcessingFormulaRuntimeElement(final ProcessingFormulaConfigElement formulaElement) {
if (formulaElement == null) {
throw new IllegalArgumentException("formulaElement is null");
}
this.formulaElement = formulaElement;
createRuntime(formulaElement.getReference());
extensionListener = new ExtensionListener();
formulaElement.getExtensionElement().addChangeListener(extensionListener);
}
/**
* @see net.sf.jame.core.config.RuntimeElement#dispose()
*/
@Override
public void dispose() {
if ((formulaElement != null) && (extensionListener != null)) {
formulaElement.getExtensionElement().removeChangeListener(extensionListener);
}
extensionListener = null;
if (formulaRuntime != null) {
formulaRuntime.dispose();
formulaRuntime = null;
}
formulaElement = null;
super.dispose();
}
private void createRuntime(final ExtensionReference reference) {
try {
if (reference != null) {
final ProcessingFormulaExtensionRuntime formulaRuntime = MandelbrotRegistry.getInstance().getProcessingFormulaExtension(reference.getExtensionId()).createExtensionRuntime();
setFormulaRuntime(formulaRuntime);
}
else {
setFormulaRuntime(null);
}
}
catch (final ExtensionNotFoundException e) {
e.printStackTrace();
}
catch (final ExtensionException e) {
e.printStackTrace();
}
}
/**
* @return the formulaRuntime
*/
public ProcessingFormulaExtensionRuntime getFormulaRuntime() {
return formulaRuntime;
}
private void setFormulaRuntime(final ProcessingFormulaExtensionRuntime formulaRuntime) {
if (this.formulaRuntime != null) {
this.formulaRuntime.dispose();
}
this.formulaRuntime = formulaRuntime;
}
@Override
public boolean isChanged() {
final boolean formulaChanged = (formulaRuntime != null) && formulaRuntime.isChanged();
return super.isChanged() || formulaChanged;
}
private class ExtensionListener implements ValueChangeListener {
/**
* @see net.sf.jame.core.config.ValueChangeListener#valueChanged(net.sf.jame.core.config.ValueChangeEvent)
*/
public void valueChanged(final ValueChangeEvent e) {
switch (e.getEventType()) {
case ExtensionReferenceElement.EXTENSION_REFERENCE_CHANGED: {
createRuntime((ExtensionReference) e.getParams()[0]);
fireChanged();
break;
}
default: {
break;
}
}
}
}
}