1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: FitPositionReadHandler.java 3524 2007-10-16 11:26:31Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.input.style.parser.stylehandler.box;
import org.jfree.layouting.input.style.StyleKey;
import org.jfree.layouting.input.style.parser.CSSValueFactory;
import org.jfree.layouting.input.style.parser.stylehandler.OneOfConstantsReadHandler;
import org.jfree.layouting.input.style.values.CSSAutoValue;
import org.jfree.layouting.input.style.values.CSSNumericType;
import org.jfree.layouting.input.style.values.CSSNumericValue;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.input.style.values.CSSValuePair;
import org.w3c.css.sac.LexicalUnit;
/**
* Creation-Date: 27.11.2005, 21:48:44
*
* @author Thomas Morgner
*/
public class FitPositionReadHandler extends OneOfConstantsReadHandler
{
public static final CSSNumericValue CENTER =
CSSNumericValue.createValue(CSSNumericType.PERCENTAGE, 50);
public static final CSSNumericValue TOP =
CSSNumericValue.createValue(CSSNumericType.PERCENTAGE, 0);
public static final CSSNumericValue LEFT =
CSSNumericValue.createValue(CSSNumericType.PERCENTAGE, 0);
public static final CSSNumericValue BOTTOM =
CSSNumericValue.createValue(CSSNumericType.PERCENTAGE, 100);
public static final CSSNumericValue RIGHT =
CSSNumericValue.createValue(CSSNumericType.PERCENTAGE, 100);
public FitPositionReadHandler()
{
super(false);
}
public CSSValue createValue(final StyleKey name, LexicalUnit value)
{
if (value.getLexicalUnitType() == LexicalUnit.SAC_IDENT)
{
final String stringValue = value.getStringValue();
if ("auto".equalsIgnoreCase(stringValue))
{
return CSSAutoValue.getInstance();
}
}
final CSSValue firstPosition = parseFirstPosition (value);
if (firstPosition == null)
{
return null;
}
value = value.getNextLexicalUnit();
final CSSValue secondPosition = parseSecondPosition(value, firstPosition);
if (secondPosition == null)
{
return null;
}
return createResultList(firstPosition, secondPosition);
}
protected CSSValue parseFirstPosition(final LexicalUnit value)
{
if (value == null)
{
return null;
}
if (value.getLexicalUnitType() == LexicalUnit.SAC_IDENT)
{
if ("left".equalsIgnoreCase(value.getStringValue()))
{
return LEFT;
}
else if ("center".equalsIgnoreCase(value.getStringValue()))
{
return CENTER;
}
else if ("right".equalsIgnoreCase(value.getStringValue()))
{
return RIGHT;
}
else if ("top".equalsIgnoreCase(value.getStringValue()))
{
return TOP;
}
else if ("bottom".equalsIgnoreCase(value.getStringValue()))
{
return BOTTOM;
}
// ignore this rule.
return null;
}
if (value.getLexicalUnitType() == LexicalUnit.SAC_PERCENTAGE)
{
return CSSNumericValue.createValue(CSSNumericType.PERCENTAGE,
value.getFloatValue());
}
if (CSSValueFactory.isLengthValue(value))
{
return CSSValueFactory.createLengthValue(value);
}
// contains errors, we ignore this rule.
return null;
}
protected CSSValuePair createResultList(final CSSValue firstPosition,
final CSSValue secondPosition)
{
if (firstPosition == TOP || firstPosition == BOTTOM)
{
return new CSSValuePair(secondPosition, firstPosition);
}
else if (secondPosition == LEFT || secondPosition == RIGHT)
{
return new CSSValuePair(secondPosition, firstPosition);
}
else
{
return new CSSValuePair(firstPosition, secondPosition);
}
}
protected CSSValue parseSecondPosition(final LexicalUnit value,
final CSSValue firstValue)
{
if (value == null)
{
return CENTER;
}
if (value.getLexicalUnitType() == LexicalUnit.SAC_IDENT)
{
if ("left".equalsIgnoreCase(value.getStringValue()))
{
return LEFT;
}
else if ("center".equalsIgnoreCase(value.getStringValue()))
{
return CENTER;
}
else if ("right".equalsIgnoreCase(value.getStringValue()))
{
return RIGHT;
}
else if ("top".equalsIgnoreCase(value.getStringValue()))
{
return TOP;
}
else if ("bottom".equalsIgnoreCase(value.getStringValue()))
{
return BOTTOM;
}
return null; // ignore this rule, it contains errors.
}
if (value.getLexicalUnitType() == LexicalUnit.SAC_PERCENTAGE)
{
return CSSNumericValue.createValue(CSSNumericType.PERCENTAGE,
value.getFloatValue());
}
else if (CSSValueFactory.isLengthValue(value))
{
return CSSValueFactory.createLengthValue(value);
}
return CENTER;
}
}
|
