org.eclipse.osbp.runtime.web.vaadin.components/src/org/eclipse/osbp/runtime/web/vaadin/components/fields/search/filter/FilterProperty.java

/**
 * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0 
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *         Florian Pirchner - Initial implementation
 */
package org.eclipse.osbp.runtime.web.vaadin.components.fields.search.filter;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.Locale;

// TODO: Auto-generated Javadoc
/**
 * The Class FilterProperty.
 */
public abstract class FilterProperty implements IFilterProperty {

	/** The property change support. */
	protected PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(
			this);

	/** The property id. */
	private Object propertyId;
	
	/** The locale. */
	private Locale locale;

	/** The old filter. */
	private Object oldFilter;

	/**
	 * Instantiates a new filter property.
	 *
	 * @param propertyId
	 *            the property id
	 * @param locale
	 *            the locale
	 */
	public FilterProperty(Object propertyId, Locale locale) {
		this.propertyId = propertyId;
		this.locale = locale;
	}

	/**
	 * Adds the property change listener.
	 *
	 * @param listener
	 *            the listener
	 * @see PropertyChangeSupport#addPropertyChangeListener(PropertyChangeListener)
	 */
	public void addPropertyChangeListener(final PropertyChangeListener listener) {
		propertyChangeSupport.addPropertyChangeListener(listener);
	}

	/**
	 * Adds the property change listener.
	 *
	 * @param propertyName
	 *            the property name
	 * @param listener
	 *            the listener
	 * @see PropertyChangeSupport#addPropertyChangeListener(String,
	 *      PropertyChangeListener)
	 */
	public void addPropertyChangeListener(final String propertyName,
			final PropertyChangeListener listener) {
		propertyChangeSupport.addPropertyChangeListener(propertyName, listener);
	}

	/**
	 * Removes the property change listener.
	 *
	 * @param listener
	 *            the listener
	 * @see PropertyChangeSupport#removePropertyChangeListener(PropertyChangeListener)
	 */
	public void removePropertyChangeListener(
			final PropertyChangeListener listener) {
		propertyChangeSupport.removePropertyChangeListener(listener);
	}

	/**
	 * Removes the property change listener.
	 *
	 * @param propertyName
	 *            the property name
	 * @param listener
	 *            the listener
	 * @see PropertyChangeSupport#removePropertyChangeListener(String,
	 *      PropertyChangeListener)
	 */
	public void removePropertyChangeListener(final String propertyName,
			final PropertyChangeListener listener) {
		propertyChangeSupport.removePropertyChangeListener(propertyName,
				listener);
	}

	/**
	 * Fire property change.
	 *
	 * @param propertyName
	 *            the property name
	 * @param oldValue
	 *            the old value
	 * @param newValue
	 *            the new value
	 * @see PropertyChangeSupport#firePropertyChange(String, Object, Object)
	 */
	public void firePropertyChange(final String propertyName,
			final Object oldValue, final Object newValue) {
		propertyChangeSupport.firePropertyChange(propertyName, oldValue,
				newValue);
	}

	/**
	 * Gets the locale.
	 *
	 * @return the locale
	 */
	public Locale getLocale() {
		return locale;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.web.vaadin.components.fields.search.filter.IFilterProperty#getPropertyId()
	 */
	@Override
	public Object getPropertyId() {
		return propertyId;
	}

	/**
	 * Notify filter changed.
	 */
	protected void notifyFilterChanged() {
		firePropertyChange("filter", oldFilter, oldFilter = getFilter());
	}

}