/*
* Geotoolkit - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2008 - 2009, Geomatys
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*/
package org.geotoolkit.style;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Collection;
import java.util.EventListener;
import java.util.EventObject;
import java.util.List;
import java.util.Objects;
import javax.swing.event.EventListenerList;
import org.geotoolkit.gui.swing.tree.Trees;
import org.apache.sis.measure.NumberRange;
import org.geotoolkit.util.collection.CollectionChangeEvent;
import org.geotoolkit.util.collection.NotifiedCheckedList;
import org.apache.sis.util.Classes;
import org.opengis.style.Description;
import org.opengis.style.SemanticType;
import org.opengis.style.StyleVisitor;
import org.opengis.style.Symbolizer;
import org.opengis.util.GenericName;
import static org.apache.sis.util.ArgumentChecks.*;
/**
* Mutable implementation of Types style.
*
* @author Johann Sorel (Geomatys)
* @module
*/
public class DefaultMutableStyle implements MutableStyle,FeatureTypeStyleListener{
private final List<MutableFeatureTypeStyle> fts = new NotifiedCheckedList<MutableFeatureTypeStyle>(MutableFeatureTypeStyle.class) {
@Override
protected Object getLock() {
return DefaultMutableStyle.this;
}
@Override
protected void notifyAdd(final MutableFeatureTypeStyle item, final int index) {
ftsListener.registerSource(item);
fireFeatureTypeStyleChange(CollectionChangeEvent.ITEM_ADDED, item, NumberRange.create(index, true, index, true) );
}
@Override
protected void notifyAdd(final Collection<? extends MutableFeatureTypeStyle> items, final NumberRange<Integer> range) {
for(MutableFeatureTypeStyle item : items){
ftsListener.registerSource(item);
}
fireFeatureTypeStyleChange(CollectionChangeEvent.ITEM_ADDED, items, range);
}
@Override
protected void notifyRemove(final MutableFeatureTypeStyle item, final int index) {
ftsListener.unregisterSource(item);
fireFeatureTypeStyleChange(CollectionChangeEvent.ITEM_REMOVED, item, NumberRange.create(index, true, index, true) );
}
@Override
protected void notifyRemove(final Collection<? extends MutableFeatureTypeStyle> items, final NumberRange<Integer> range) {
for(final MutableFeatureTypeStyle fts : items){
ftsListener.unregisterSource(fts);
}
fireFeatureTypeStyleChange(CollectionChangeEvent.ITEM_REMOVED, items, range );
}
@Override
protected void notifyChange(MutableFeatureTypeStyle oldItem, MutableFeatureTypeStyle newItem, int index) {
if(oldItem != null){
ftsListener.unregisterSource(oldItem);
}
if(newItem != null){
ftsListener.registerSource(newItem);
}
fireFeatureTypeStyleChange(CollectionChangeEvent.ITEM_CHANGED, oldItem, NumberRange.create(index, true, index, true) );
}
};
private final EventListenerList listeners = new EventListenerList();
private final FeatureTypeStyleListener.Weak ftsListener = new FeatureTypeStyleListener.Weak(this);
private Symbolizer symbol = null;
private String name = null;
private Description description = StyleConstants.DEFAULT_DESCRIPTION;
private boolean isDefault = false;
/**
* Create a default mutable style.
*/
public DefaultMutableStyle(){}
/**
* @return live list
*/
@Override
public List<MutableFeatureTypeStyle> featureTypeStyles() {
return fts;
}
/**
* {@inheritDoc }
* This method is thread safe.
*/
@Override
public Symbolizer getDefaultSpecification() {
return symbol;
}
@Override
public void setDefaultSpecification(final Symbolizer symbol){
final Symbolizer oldSymbolizer;
synchronized (this) {
oldSymbolizer = this.symbol;
if (Objects.equals(oldSymbolizer, symbol)) {
return;
}
this.symbol = symbol;
}
firePropertyChange(DEFAULT_SPECIFICATION_PROPERTY, oldSymbolizer, this.symbol);
}
/**
* {@inheritDoc }
* This method is thread safe.
*/
@Override
public String getName() {
return name;
}
/**
* Set the name of the style.
* This method is thread safe.
*/
@Override
public void setName(final String name) {
final String oldName;
synchronized (this) {
oldName = this.name;
if (Objects.equals(oldName, name)) {
return;
}
this.name = name;
}
firePropertyChange(NAME_PROPERTY, oldName, this.name);
}
/**
* {@inheritDoc }
* This method is thread safe.
*/
@Override
public Description getDescription() {
return description;
}
/**
* Set the Description of the style.
* @param desc : Description can't be null
*/
@Override
public void setDescription(final Description desc){
ensureNonNull("description", desc);
final Description oldDesc;
synchronized (this) {
oldDesc = this.description;
if(oldDesc.equals(desc)){
return;
}
this.description = desc;
}
firePropertyChange(DESCRIPTION_PROPERTY, oldDesc, this.description);
}
/**
* {@inheritDoc }
* This method is thread safe.
*/
@Override
public boolean isDefault() {
return isDefault;
}
/**
* {@inheritDoc }
* This method is thread safe.
*/
@Override
public void setDefault(final boolean isDefault){
final boolean oldIsDefault;
synchronized (this) {
oldIsDefault = this.isDefault;
if(oldIsDefault == isDefault){
return;
}
this.isDefault = isDefault;
}
firePropertyChange(ISDEFAULT_PROPERTY, oldIsDefault, this.isDefault);
}
/**
* {@inheritDoc }
*/
@Override
public Object accept(final StyleVisitor visitor, final Object extraData) {
return visitor.visit(this,extraData);
}
/**
* {@inheritDoc }
*/
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("Style : ");
builder.append(Classes.getShortClassName(this));
builder.append(" [");
builder.append(description);
builder.append(']');
if(!fts.isEmpty()){
builder.append(Trees.toString("", fts));
}
return builder.toString();
}
//--------------------------------------------------------------------------
// listeners management ----------------------------------------------------
//--------------------------------------------------------------------------
protected void firePropertyChange(final String propertyName, final Object oldValue, final Object newValue){
//TODO make fire property change thread safe, preserve fire order
final PropertyChangeEvent event = new PropertyChangeEvent(this,propertyName,oldValue,newValue);
final PropertyChangeListener[] lists = listeners.getListeners(PropertyChangeListener.class);
for(PropertyChangeListener listener : lists){
listener.propertyChange(event);
}
}
protected void fireFeatureTypeStyleChange(final int type, final MutableFeatureTypeStyle fts, final NumberRange<Integer> range) {
//TODO make fire property change thread safe, preserve fire order
final CollectionChangeEvent<MutableFeatureTypeStyle> event = new CollectionChangeEvent<MutableFeatureTypeStyle>(this, fts, type, range, null);
final StyleListener[] lists = listeners.getListeners(StyleListener.class);
for (StyleListener listener : lists) {
listener.featureTypeStyleChange(event);
}
}
protected void fireFeatureTypeStyleChange(final int type, final MutableFeatureTypeStyle fts, final NumberRange<Integer> range, final EventObject subEvent) {
//TODO make fire property change thread safe, preserve fire order
final CollectionChangeEvent<MutableFeatureTypeStyle> event = new CollectionChangeEvent<MutableFeatureTypeStyle>(this, fts, type, range,subEvent);
final StyleListener[] lists = listeners.getListeners(StyleListener.class);
for (StyleListener listener : lists) {
listener.featureTypeStyleChange(event);
}
}
protected void fireFeatureTypeStyleChange(final int type, final Collection<? extends MutableFeatureTypeStyle> fts, final NumberRange<Integer> range){
//TODO make fire property change thread safe, preserve fire order
final CollectionChangeEvent<MutableFeatureTypeStyle> event = new CollectionChangeEvent<MutableFeatureTypeStyle>(this,fts,type,range, null);
final StyleListener[] lists = listeners.getListeners(StyleListener.class);
for(StyleListener listener : lists){
listener.featureTypeStyleChange(event);
}
}
//--------------------------------------------------------------------------
// fts listener ------------------------------------------------------------
//--------------------------------------------------------------------------
@Override
public void propertyChange(final PropertyChangeEvent event) {
final int index = fts.indexOf(event.getSource());
fireFeatureTypeStyleChange(CollectionChangeEvent.ITEM_CHANGED,
(MutableFeatureTypeStyle)event.getSource(), NumberRange.create(index, true, index, true), event);
}
@Override
public void ruleChange(final CollectionChangeEvent<MutableRule> event) {
final int index = fts.indexOf(event.getSource());
fireFeatureTypeStyleChange(CollectionChangeEvent.ITEM_CHANGED,
(MutableFeatureTypeStyle)event.getSource(), NumberRange.create(index, true, index, true), event);
}
@Override
public void featureTypeNameChange(final CollectionChangeEvent<GenericName> event) {
final int index = fts.indexOf(event.getSource());
fireFeatureTypeStyleChange(CollectionChangeEvent.ITEM_CHANGED,
(MutableFeatureTypeStyle)event.getSource(), NumberRange.create(index, true, index, true), event);
}
@Override
public void semanticTypeChange(final CollectionChangeEvent<SemanticType> event) {
final int index = fts.indexOf(event.getSource());
fireFeatureTypeStyleChange(CollectionChangeEvent.ITEM_CHANGED,
(MutableFeatureTypeStyle)event.getSource(), NumberRange.create(index, true, index, true), event);
}
/**
* {@inheritDoc }
*/
@Override
public void addListener(final StyleListener listener){
addListener((PropertyChangeListener)listener);
}
/**
* {@inheritDoc }
*/
@Override
public void addListener(final PropertyChangeListener listener){
addPropertyChangeListener(listener);
}
/**
* {@inheritDoc }
*/
@Override
public void removeListener(final PropertyChangeListener listener){
removePropertyChangeListener(listener);
}
@Override
public void addPropertyChangeListener(PropertyChangeListener listener) {
listeners.add(PropertyChangeListener.class, listener);
if(listener instanceof StyleListener){
listeners.add(StyleListener.class, (StyleListener)listener);
}
}
@Override
public void removePropertyChangeListener(PropertyChangeListener listener) {
listeners.remove(PropertyChangeListener.class, listener);
if(listener instanceof StyleListener){
listeners.remove(StyleListener.class, (StyleListener)listener);
}
}
@Override
public <T extends EventListener> T[] getListeners(Class<T> listenerClass) {
return listeners.getListeners(listenerClass);
}
@Override
public Object[] getListeners() {
return listeners.getListenerList();
}
}