/*
 * 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 de.unioninvestment.eai.portal.portlet.crud.mvp.views;

import com.vaadin.ui.TabSheet;

import de.unioninvestment.eai.portal.support.vaadin.mvp.View;

/**
 * Standart View Implementierung für Tabs.
 * 
 * @author markus.bonsch
 * @author Jan Malcomess (codecentric AG)
 */
public class DefaultTabsView extends TabSheet implements TabsView {

	private static final long serialVersionUID = 1L;

	/**
	 * @param width
	 *            The desired width of component (@since 1.45). Defaults to
	 *            "100%" when not specified.
	 * @param height
	 *            The desired height of component (@since 1.45). Defaults to
	 *            undefined when not specified.
	 */
	public DefaultTabsView(String width, String height) {
		if (width != null) {
			setWidth(width);
		}
		if (height != null) {
			setHeight(height);
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void addTabView(View view) {
		addComponent(view);
	}

	@Override
	public void initialize(final Presenter tabsPresenter) {
		this.addSelectedTabChangeListener(new TabSheet.SelectedTabChangeListener() {
			private static final long serialVersionUID = 42L;

			@Override
			public void selectedTabChange(SelectedTabChangeEvent event) {
				tabsPresenter.viewSelectionChanged(getSelectedTabIndex());
			}
		});
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void changeTab(int newIndex) {
		setSelectedTab(getTab(newIndex).getComponent());
	}

	/**
	 * 
	 * @return Index des selektierten Tabs.
	 */
	int getSelectedTabIndex() {
		Tab selectedTab = getTab(getSelectedTab());
		return getTabPosition(selectedTab);
	}
}