/*
* 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.sld;
import java.beans.PropertyChangeEvent;
import java.util.Collection;
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.geotoolkit.util.collection.CollectionChangeEvent;
import org.geotoolkit.util.collection.CollectionChangeListener;
import org.geotoolkit.style.MutableFeatureTypeStyle;
import org.geotoolkit.style.StyleConstants;
import org.geotoolkit.style.StyleListener;
import org.apache.sis.measure.NumberRange;
import org.geotoolkit.util.Utilities;
import org.geotoolkit.util.collection.NotifiedCheckedList;
import org.apache.sis.util.Classes;
import org.opengis.sld.Constraint;
import org.opengis.sld.FeatureTypeConstraint;
import org.opengis.sld.SLDVisitor;
import org.opengis.style.Description;
import static org.apache.sis.util.ArgumentChecks.*;
/**
* Default mutable named layer, thread safe.
*
* @author Johann Sorel (Geomatys)
* @module
*/
class DefaultMutableNamedLayer implements MutableNamedLayer,StyleListener{
private final List<MutableLayerStyle> styles = new NotifiedCheckedList<MutableLayerStyle>(MutableLayerStyle.class) {
@Override
protected Object getLock() {
return DefaultMutableNamedLayer.this;
}
@Override
protected void notifyAdd(final MutableLayerStyle item, final int index) {
styleListener.registerSource(item);
fireStyleChange(CollectionChangeEvent.ITEM_ADDED, item, NumberRange.create(index, true, index, true));
}
@Override
protected void notifyAdd(final Collection<? extends MutableLayerStyle> items, final NumberRange<Integer> range) {
for(MutableLayerStyle item : items){
styleListener.registerSource(item);
}
fireStyleChange(CollectionChangeEvent.ITEM_ADDED, items, range);
}
@Override
protected void notifyRemove(final MutableLayerStyle item, final int index) {
styleListener.unregisterSource(item);
fireStyleChange(CollectionChangeEvent.ITEM_REMOVED, item, NumberRange.create(index, true, index, true));
}
@Override
protected void notifyRemove(final Collection<? extends MutableLayerStyle> items, final NumberRange<Integer> range) {
for(final MutableLayerStyle mls : items){
styleListener.unregisterSource(mls);
}
fireStyleChange(CollectionChangeEvent.ITEM_REMOVED, items, range);
}
@Override
protected void notifyChange(MutableLayerStyle oldItem, MutableLayerStyle newItem, int index) {
if(oldItem != null){
styleListener.unregisterSource(oldItem);
}
if(newItem != null){
styleListener.registerSource(newItem);
}
fireStyleChange(CollectionChangeEvent.ITEM_CHANGED, oldItem, NumberRange.create(index, true, index, true));
}
};
private final StyleListener.Weak styleListener = new StyleListener.Weak(null,this);
private final EventListenerList listeners = new EventListenerList();
private final MutableLayerFeatureConstraints constraints = new DefaultMutableLayerFeatureConstraints();
private String name = null;
private Description description = StyleConstants.DEFAULT_DESCRIPTION;
/**
* default constructor
*/
DefaultMutableNamedLayer(){
constraints.addListener(new CollectionChangeListener<FeatureTypeConstraint>() {
@Override
public void collectionChange(CollectionChangeEvent<FeatureTypeConstraint> event) {
fireConstraintChange(event);
}
});
}
/**
* {@inheritDoc }
* This method is thread safe.
*/
@Override
public String getName() {
return name;
}
/**
* {@inheritDoc }
* 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;
}
/**
* {@inheritDoc }
* This method is thread safe.
*/
@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.
* This is the live list.
*/
@Override
public List<MutableLayerStyle> styles() {
return styles;
}
/**
* {@inheritDoc }
* This method is thread safe.
*/
@Override
public MutableLayerFeatureConstraints getConstraints() {
return constraints;
}
/**
* {@inheritDoc }
*/
@Override
public Object accept(final SLDVisitor visitor, final Object extraData) {
return visitor.visit(this, extraData);
}
//--------------------------------------------------------------------------
// 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 LayerListener[] lists = listeners.getListeners(LayerListener.class);
for(LayerListener listener : lists){
listener.propertyChange(event);
}
}
protected void fireStyleChange(final int type, final MutableLayerStyle layer, final NumberRange<Integer> range) {
//TODO make fire property change thread safe, preserve fire order
final CollectionChangeEvent<MutableLayerStyle> event = new CollectionChangeEvent<MutableLayerStyle>(this, layer, type, range, null);
final LayerListener[] lists = listeners.getListeners(LayerListener.class);
for(LayerListener listener : lists){
listener.styleChange(event);
}
}
protected void fireStyleChange(final int type, final MutableLayerStyle layer, final NumberRange<Integer> range, final EventObject subEvent) {
//TODO make fire property change thread safe, preserve fire order
final CollectionChangeEvent<MutableLayerStyle> event = new CollectionChangeEvent<MutableLayerStyle>(this, layer, type, range,subEvent);
final LayerListener[] lists = listeners.getListeners(LayerListener.class);
for(LayerListener listener : lists){
listener.styleChange(event);
}
}
protected void fireStyleChange(final int type, final Collection<? extends MutableLayerStyle> layer, final NumberRange<Integer> range){
//TODO make fire property change thread safe, preserve fire order
final CollectionChangeEvent<MutableLayerStyle> event = new CollectionChangeEvent<MutableLayerStyle>(this,layer,type,range, null);
final LayerListener[] lists = listeners.getListeners(LayerListener.class);
for(LayerListener listener : lists){
listener.styleChange(event);
}
}
protected void fireConstraintChange(final CollectionChangeEvent<? extends Constraint> event){
CollectionChangeEvent<Constraint> newEvent = new CollectionChangeEvent<Constraint>(this,event.getItems(),event.getType(),event.getRange(),null);
final LayerListener[] lists = listeners.getListeners(LayerListener.class);
for(LayerListener listener : lists){
listener.constraintChange(newEvent);
}
}
//--------------------------------------------------------------------------
// style listener-----------------------------------------------------------
//--------------------------------------------------------------------------
@Override
public void propertyChange(final PropertyChangeEvent event) {
fireStyleChange(CollectionChangeEvent.ITEM_CHANGED, (MutableLayerStyle)event.getSource(), null, event);
}
@Override
public void featureTypeStyleChange(final CollectionChangeEvent<MutableFeatureTypeStyle> event) {
fireStyleChange(CollectionChangeEvent.ITEM_CHANGED, (MutableLayerStyle)event.getSource(), null, event);
}
/**
* {@inheritDoc }
*/
@Override
public void addListener(final LayerListener listener) {
listeners.add(LayerListener.class, listener);
}
/**
* {@inheritDoc }
*/
@Override
public void removeListener(final LayerListener listener) {
listeners.remove(LayerListener.class, listener);
}
/**
* {@inheritDoc }
*/
@Override
public boolean equals(final Object obj) {
if(this == obj){
return true;
}
if(obj == null || !this.getClass().equals(obj.getClass()) ){
return false;
}
DefaultMutableNamedLayer other = (DefaultMutableNamedLayer) obj;
return Objects.equals(this.name, other.name)
&& this.description.equals(other.description)
&& this.constraints.equals(other.constraints)
&& this.styles.equals(other.styles);
}
/**
* {@inheritDoc }
*/
@Override
public int hashCode() {
int hash = 2;
if(name != null) hash *= name.hashCode();
hash *= description.hashCode();
hash *= styles.hashCode();
hash *= constraints.hashCode();
return hash;
}
/**
* {@inheritDoc }
*/
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("NamedLayer : ");
builder.append(Classes.getShortClassName(this));
builder.append(" [");
if(name != null){
builder.append(" Name=");
builder.append(name);
}
builder.append(" Description=");
builder.append(description);
builder.append(" Constraints=");
builder.append(constraints);
builder.append(" StylesSize=");
builder.append(styles.size());
builder.append(']');
if(!styles.isEmpty()){
builder.append(Trees.toString("", styles));
}
return builder.toString();
}
}