| /* |
| * 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.apache.myfaces.tobago.layout; |
| |
| import java.util.StringTokenizer; |
| |
| /** |
| * Basic helper type for the CSS3 Grid property. |
| * Limitations: "auto" is not supported by IE 10/11. |
| */ |
| public class GridSpan { |
| |
| private Integer start; |
| private Integer span; |
| |
| private GridSpan() { |
| } |
| |
| public static GridSpan valueOf(final String string) { |
| final GridSpan item = new GridSpan(); |
| final StringTokenizer tokenizer = new StringTokenizer(string, " /"); |
| if (tokenizer.hasMoreElements()) { |
| item.start = Integer.parseInt(tokenizer.nextToken()); |
| } |
| if (tokenizer.hasMoreElements()) { |
| final String next = tokenizer.nextToken(); |
| if (next.equals("span")) { |
| item.span = Integer.parseInt(tokenizer.nextToken()); |
| } else { |
| item.span = Integer.parseInt(next) - item.start; |
| } |
| } |
| return item; |
| } |
| |
| public static GridSpan valueOf(final Integer start, final Integer span) { |
| final GridSpan item = new GridSpan(); |
| item.start = start; |
| item.span = span; |
| return item; |
| } |
| |
| public String encode() { |
| if (start != null) { |
| if (span != null && span != 1) { |
| return start + "/span " + span; |
| } else { |
| return start.toString(); |
| } |
| } else { |
| if (span != null && span != 1) { // XXX "auto" not supported by MS IE |
| return "auto/span " + span; |
| } else { |
| return "auto"; |
| } |
| } |
| } |
| |
| public Integer getStart() { |
| return start; |
| } |
| |
| public Integer getSpan() { |
| return span; |
| } |
| } |