001/*
002 * (C) Copyright 2011 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Anahide Tchertchian
016 */
017package org.nuxeo.ecm.platform.forms.layout.service;
018
019import org.jboss.seam.ScopeType;
020import org.jboss.seam.annotations.Name;
021import org.jboss.seam.annotations.Scope;
022
023/**
024 * Helper component to count number of columns rendered in a layout context.
025 * <p>
026 * Useful when rendering listing layouts in a PDF table, where number of columns need to be known in advance.
027 *
028 * @since 5.4.2
029 */
030// TODO: move this dependency to Seam elsewhere
031@Name("layoutColumnCounter")
032@Scope(ScopeType.EVENT)
033public class LayoutColumnCounter {
034
035    protected Integer index;
036
037    public Integer getCurrentIndex() {
038        return index;
039    }
040
041    public void setCurrentIndex(Integer index) {
042        this.index = index;
043    }
044
045    public void increment() {
046        if (index == null) {
047            index = new Integer(0);
048        }
049        this.index = new Integer(index.intValue() + 1);
050    }
051
052    public void decrement() {
053        if (index == null) {
054            index = new Integer(0);
055        }
056        this.index = new Integer(index.intValue() - 1);
057    }
058
059}