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Java > Open Source Codes > org > apache > fop > fo > properties > PageBreakShorthandParser


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 /* $Id: PageBreakShorthandParser.java 488960 2006-12-20 08:34:28Z spepping $ */
19
20 package org.apache.fop.fo.properties;
21
22 import org.apache.fop.fo.Constants;
23 import org.apache.fop.fo.PropertyList;
24 import org.apache.fop.fo.expr.PropertyException;
25
26 /**
27  * Shorthand parser for page-break-before, page-break-after and page-break-inside.
28  * Used to set the corresponding keep-* and break-* properties.
29  */
30 public class PageBreakShorthandParser implements ShorthandParser {
31     
32     /**
33      * @see org.apache.fop.fo.properties.ShorthandParser#getValueForProperty(int, Property, PropertyMaker, PropertyList)
34      */
35     public Property getValueForProperty(int propId,
36                                                Property property,
37                                                PropertyMaker maker,
38                                                PropertyList propertyList)
39                     throws PropertyException {
40
41         if (propId == Constants.PR_KEEP_WITH_PREVIOUS
42                 || propId == Constants.PR_KEEP_WITH_NEXT
43                 || propId == Constants.PR_KEEP_TOGETHER) {
44             if (property.getEnum() == Constants.EN_AVOID) {
45                 return maker.make(null, Constants.CP_WITHIN_PAGE,
46                             propertyList, "always", propertyList.getFObj());
47             }
48         } else if (propId == Constants.PR_BREAK_BEFORE
49                 || propId == Constants.PR_BREAK_AFTER) {
50             switch (property.getEnum()) {
51             case Constants.EN_ALWAYS:
52                 return EnumProperty.getInstance(Constants.EN_PAGE, "PAGE");
53             case Constants.EN_LEFT:
54                 return EnumProperty.getInstance(Constants.EN_EVEN_PAGE, "EVEN_PAGE");
55             case Constants.EN_RIGHT:
56                 return EnumProperty.getInstance(Constants.EN_ODD_PAGE, "ODD_PAGE");
57             case Constants.EN_AVOID:
58             default:
59                 //nop;
60 }
61         }
62         return null;
63     }
64
65 }
66
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