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Provides a Swing component for editing properties in a table.

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/*
 * Copyright 2015 Matthew Aguirre
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.l2fprod.common.propertysheet;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.IOException;

/**
 * AbstractProperty. 

 *
 */
public abstract class AbstractProperty implements Property {

    private Object value;

    // PropertyChangeListeners are not serialized.
    private transient PropertyChangeSupport listeners
            = new PropertyChangeSupport(this);

    @Override
    public Object getValue() {
        return value;
    }

    @Override
    public Object clone() {
        AbstractProperty clone;
        try {
            clone = (AbstractProperty) super.clone();
            return clone;
        } catch (CloneNotSupportedException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void setValue(Object value) {
        Object oldValue = this.value;
        this.value = value;
        if (value != oldValue && (value == null || !value.equals(oldValue))) {
            firePropertyChange(oldValue, getValue());
        }
    }

    protected void initializeValue(Object value) {
        this.value = value;
    }

    @Override
    public void addPropertyChangeListener(PropertyChangeListener listener) {
        listeners.addPropertyChangeListener(listener);
        Property[] subProperties = getSubProperties();
        if (subProperties != null) {
            for (int i = 0; i < subProperties.length; ++i) {
                subProperties[i].addPropertyChangeListener(listener);
            }
        }
    }

    @Override
    public void removePropertyChangeListener(PropertyChangeListener listener) {
        listeners.removePropertyChangeListener(listener);
        Property[] subProperties = getSubProperties();
        if (subProperties != null) {
            for (int i = 0; i < subProperties.length; ++i) {
                subProperties[i].removePropertyChangeListener(listener);
            }
        }
    }

    protected void firePropertyChange(Object oldValue, Object newValue) {
        listeners.firePropertyChange("value", oldValue, newValue);
    }

    private void readObject(java.io.ObjectInputStream in) throws IOException,
            ClassNotFoundException {
        in.defaultReadObject();
        listeners = new PropertyChangeSupport(this);
    }

    @Override
    public Property getParentProperty() {
        return null;
    }

    @Override
    public Property[] getSubProperties() {
        return null;
    }
}