org.opennms.features.jmxconfiggenerator.webui.ui.ButtonPanel.java Source code

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Here is the source code for org.opennms.features.jmxconfiggenerator.webui.ui.ButtonPanel.java

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/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2013-2014 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2014 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
 *     http://www.opennms.org/
 *     http://www.opennms.com/
 *******************************************************************************/

package org.opennms.features.jmxconfiggenerator.webui.ui;

import org.opennms.features.jmxconfiggenerator.webui.data.ModelChangeListener;

import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.HorizontalLayout;

public class ButtonPanel extends HorizontalLayout implements ModelChangeListener<UiState> {
    private final Button next;
    private final Button previous;

    public ButtonPanel(ClickListener listener) {
        next = UIHelper.createButton("next", IconProvider.BUTTON_NEXT, listener);
        previous = UIHelper.createButton("previous", IconProvider.BUTTON_PREVIOUS, listener);
        //      help = UIHelper.createButton("help", IconProvider.BUTTON_INFO, this);

        addComponent(previous);
        //      addComponent(help);
        addComponent(next);
    }

    public Button getNext() {
        return next;
    }

    public Button getPrevious() {
        return previous;
    }

    @Override
    public void modelChanged(UiState newModel) {
        //      help.setVisible(false); // TODO enable/disable help dynamically
        previous.setVisible(newModel.hasPrevious());
        next.setVisible(newModel.hasNext());
    }
}