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17 package org.apache.fop.fo.properties;
18
19 import java.util.Iterator  ;
20 import java.util.List ;
21
22 import org.apache.fop.fo.Constants;
23 import org.apache.fop.fo.FObj;
24 import org.apache.fop.fo.PropertyList;
25 import org.apache.fop.fo.expr.NCnameProperty;
26 import org.apache.fop.fo.expr.PropertyException;
27
28
31 public class TextDecorationProperty extends ListProperty {
32
33
36 public static class Maker extends PropertyMaker {
37
38
41 public Maker(int propId) {
42 super(propId);
43 }
44
45
48 public Property convertProperty(Property p,
49 PropertyList propertyList, FObj fo)
50 throws PropertyException {
51 if (p instanceof TextDecorationProperty) {
52 return p;
53 } else {
54 if (p instanceof ListProperty) {
55 ListProperty lst = (ListProperty)p;
56 lst = checkEnums(lst);
57 return new TextDecorationProperty((ListProperty)p);
58 } else if (p instanceof EnumProperty) {
59 ListProperty lst = new ListProperty(p);
60 return new TextDecorationProperty(lst);
61 } else {
62 throw new PropertyException("Cannot convert anything other "
63 + "than a list property, got a " + p.getClass().getName());
64 }
65 }
66 }
67
68 private ListProperty checkEnums(ListProperty lst) throws PropertyException {
69 List l = lst.getList();
70 for (int i = 0; i < l.size(); i++) {
71 Property prop = (Property)l.get(i);
72 if (prop instanceof EnumProperty) {
73 } else if (prop instanceof NCnameProperty) {
75 Property prop_enum = checkEnumValues(((NCnameProperty)prop).getString());
76 if (prop_enum == null) {
77 throw new PropertyException("Illegal enum value: " + prop.getString());
78 }
79 l.set(i, prop_enum);
80 } else {
81 throw new PropertyException("Invalid content for text-decoration "
82 + "property: " + prop);
83 }
84 }
85 return lst;
86 }
87
88 }
89
90
95 public TextDecorationProperty(ListProperty listProp) throws PropertyException {
96 List lst = listProp.getList();
97 boolean none = false;
98 boolean under = false;
99 boolean over = false;
100 boolean through = false;
101 boolean blink = false;
102 Iterator i = lst.iterator();
103 while (i.hasNext()) {
104 Property prop = (Property)i.next();
105 switch (prop.getEnum()) {
106 case Constants.EN_NONE:
107 if (under | over | through | blink) {
108 throw new PropertyException(
109 "Invalid combination of values");
110 }
111 none = true;
112 break;
113 case Constants.EN_UNDERLINE:
114 case Constants.EN_NO_UNDERLINE:
115 if (none) {
116 throw new PropertyException("'none' specified, no additional values allowed");
117 }
118 if (under) {
119 throw new PropertyException("Invalid combination of values");
120 }
121 under = true;
122 break;
123 case Constants.EN_OVERLINE:
124 case Constants.EN_NO_OVERLINE:
125 if (none) {
126 throw new PropertyException("'none' specified, no additional values allowed");
127 }
128 if (over) {
129 throw new PropertyException("Invalid combination of values");
130 }
131 over = true;
132 break;
133 case Constants.EN_LINE_THROUGH:
134 case Constants.EN_NO_LINE_THROUGH:
135 if (none) {
136 throw new PropertyException("'none' specified, no additional values allowed");
137 }
138 if (through) {
139 throw new PropertyException("Invalid combination of values");
140 }
141 through = true;
142 break;
143 case Constants.EN_BLINK:
144 case Constants.EN_NO_BLINK:
145 if (none) {
146 throw new PropertyException("'none' specified, no additional values allowed");
147 }
148 if (blink) {
149 throw new PropertyException("Invalid combination of values");
150 }
151 blink = true;
152 break;
153 default:
154 throw new PropertyException("Invalid value specified: " + prop);
155 }
156 addProperty(prop);
157 }
158 }
159
160 }
161 |
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