/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.netbeans.modules.bugtracking.dummies;

import java.beans.PropertyChangeListener;
import java.util.Collections;
import java.util.Set;
import org.openide.nodes.Node;
import org.openide.windows.TopComponent;

/**
 *
 * @author Marian Petras
 */
public class DummyTopComponentRegistry implements TopComponent.Registry {

    private static final Node[] NO_NODES = new Node[0];

    private Node[] nodes;

    public void reset() {
        this.nodes = NO_NODES;
    }

    public void setNodes(Node... nodes) {
        this.nodes = (nodes != null) ? nodes : NO_NODES;
    }

    public Set<TopComponent> getOpened() {
        return Collections.emptySet();
    }

    public TopComponent getActivated() {
        return null;
    }

    public Node[] getCurrentNodes() {
        return nodes;
    }

    public Node[] getActivatedNodes() {
        return nodes;
    }

    public void addPropertyChangeListener(PropertyChangeListener l) {
        //no-op - properties never change
    }

    public void removePropertyChangeListener(PropertyChangeListener l) {
        //no-op - properties never change
    }

}
