/*
* 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.frameFilter;
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.config.ValueConfigElement;
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.frameFilter.extension.FrameFilterExtensionConfig;
import net.sf.jame.twister.frameFilter.extension.FrameFilterExtensionRuntime;
/**
* @author Andrea Medeghini
*/
public class FrameFilterRuntimeElement extends RuntimeElement {
private FrameFilterExtensionRuntime<?> filterRuntime;
private FrameFilterConfigElement filterElement;
private ExtensionListener extensionListener;
private EnabledListener enabledListener;
private boolean enabled;
/**
* Constructs a new filter.
*
* @param filterElement
*/
public FrameFilterRuntimeElement(final FrameFilterConfigElement filterElement) {
if (filterElement == null) {
throw new IllegalArgumentException("filterElement is null");
}
this.filterElement = filterElement;
createRuntime(filterElement.getReference());
extensionListener = new ExtensionListener();
filterElement.getExtensionElement().addChangeListener(extensionListener);
setEnabled(filterElement.isEnabled());
enabledListener = new EnabledListener();
filterElement.getEnabledElement().addChangeListener(enabledListener);
}
/**
* @see net.sf.jame.core.config.RuntimeElement#dispose()
*/
@Override
public void dispose() {
if ((filterElement != null) && (extensionListener != null)) {
filterElement.getExtensionElement().removeChangeListener(extensionListener);
}
extensionListener = null;
if ((filterElement != null) && (enabledListener != null)) {
filterElement.getEnabledElement().removeChangeListener(enabledListener);
}
enabledListener = null;
if (filterRuntime != null) {
filterRuntime.dispose();
filterRuntime = null;
}
filterElement = null;
super.dispose();
}
@SuppressWarnings("unchecked")
private void createRuntime(final ConfigurableExtensionReference<FrameFilterExtensionConfig> reference) {
try {
if (reference != null) {
final FrameFilterExtensionRuntime filterRuntime = TwisterRegistry.getInstance().getFrameFilterExtension(reference.getExtensionId()).createExtensionRuntime();
final FrameFilterExtensionConfig filterConfig = reference.getExtensionConfig();
filterRuntime.setConfig(filterConfig);
setFilterRuntime(filterRuntime);
}
else {
setFilterRuntime(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 filterChanged = (filterRuntime != null) && filterRuntime.isChanged();
return super.isChanged() || filterChanged;
}
/**
* @return the filterRuntime
*/
public FrameFilterExtensionRuntime<?> getFilterRuntime() {
return filterRuntime;
}
private void setFilterRuntime(final FrameFilterExtensionRuntime<?> filterRuntime) {
if (this.filterRuntime != null) {
this.filterRuntime.dispose();
}
this.filterRuntime = filterRuntime;
}
/**
* @return the enabled.
*/
public boolean isEnabled() {
return enabled;
}
private void setEnabled(final boolean enabled) {
this.enabled = enabled;
}
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<FrameFilterExtensionConfig>) e.getParams()[0]);
fireChanged();
break;
}
default: {
break;
}
}
}
}
private class EnabledListener 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 ValueConfigElement.VALUE_CHANGED: {
setEnabled((Boolean) e.getParams()[0]);
fireChanged();
break;
}
default: {
break;
}
}
}
}
}