/*
* Copyright (c) 2011, grossmann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the jo-widgets.org nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.jowidgets.workbench.toolkit.impl;
import java.util.HashSet;
import java.util.Set;
import org.jowidgets.api.model.IListModelListener;
import org.jowidgets.api.model.IListModelObservable;
class ListModelObservable implements IListModelObservable {
private final Set<IListModelListener> listeners;
ListModelObservable() {
this.listeners = new HashSet<IListModelListener>();
}
@Override
public void addListModelListener(final IListModelListener listener) {
listeners.add(listener);
}
@Override
public void removeListModelListener(final IListModelListener listener) {
listeners.remove(listener);
}
public void fireAfterChildAdded(final int index) {
for (final IListModelListener listener : listeners) {
listener.afterChildAdded(index);
}
}
public void fireBeforeChildRemove(final int index) {
for (final IListModelListener listener : listeners) {
listener.beforeChildRemove(index);
}
}
public void fireAfterChildRemoved(final int index) {
for (final IListModelListener listener : listeners) {
listener.afterChildRemoved(index);
}
}
}