blob: 8e3f40fac23e94ac2ad0369769638d1ab8753aa9 (
plain)
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
|
/*
* Copyright 2005 The Apache Software Foundation.
*
* Licensed 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.
*/
/* $Id$ */
package org.apache.fop.layoutmgr.table;
import org.apache.fop.fo.Constants;
import org.apache.fop.fo.properties.CommonBorderPaddingBackground;
import org.apache.fop.fo.properties.CommonBorderPaddingBackground.BorderInfo;
/**
* This class is a superclass for the two collapsing border models defined
* in the XSL 1.0 specification.
*/
public abstract class CollapsingBorderModel {
/** before side */
protected static final int BEFORE = CommonBorderPaddingBackground.BEFORE;
/** after side */
protected static final int AFTER = CommonBorderPaddingBackground.AFTER;
/** start side */
protected static final int START = CommonBorderPaddingBackground.START;
/** end side */
protected static final int END = CommonBorderPaddingBackground.END;
/** Flag: current grid unit is either start or end of the table. */
public static final int VERTICAL_START_END_OF_TABLE = 1;
/** Indicates that the cell is/starts in the first row being painted on a particular page */
//public static final int FIRST_ROW_IN_TABLE_PART = 1;
/** Indicates that the cell is/ends in the last row being painted on a particular page */
//public static final int LAST_ROW_IN_TABLE_PART = 2;
/** Indicates that the cell is/starts in the first row of a body/table-header/table-footer */
//public static final int FIRST_ROW_IN_GROUP = 4;
/** Indicates that the cell is/end in the last row of a body/table-header/table-footer */
//public static final int LAST_ROW_IN_GROUP = 8;
//These statics are used singleton-style. No MT issues here.
private static CollapsingBorderModel collapse = null;
private static CollapsingBorderModel collapseWithPrecedence = null;
/**
* @param borderCollapse border collapse control
* @return the border model for the cell
*/
public static CollapsingBorderModel getBorderModelFor(int borderCollapse) {
switch (borderCollapse) {
case Constants.EN_COLLAPSE:
if (collapse == null) {
collapse = new CollapsingBorderModelEyeCatching();
}
return collapse;
case Constants.EN_COLLAPSE_WITH_PRECEDENCE:
if (collapseWithPrecedence == null) {
//collapseWithPrecedence = new CollapsingBorderModelWithPrecedence();
}
return collapseWithPrecedence;
default:
throw new IllegalArgumentException("Illegal border-collapse mode.");
}
}
/**
* @param side the side on the current cell
* @return the adjacent side on the neighbouring cell
*/
public static int getOtherSide(int side) {
switch (side) {
case CommonBorderPaddingBackground.BEFORE:
return CommonBorderPaddingBackground.AFTER;
case CommonBorderPaddingBackground.AFTER:
return CommonBorderPaddingBackground.BEFORE;
case CommonBorderPaddingBackground.START:
return CommonBorderPaddingBackground.END;
case CommonBorderPaddingBackground.END:
return CommonBorderPaddingBackground.START;
default:
throw new IllegalArgumentException("Illegal parameter: side");
}
}
/**
* @param side the side to investigate
* @return true if the adjacent cell is before or after
*/
protected boolean isVerticalRelation(int side) {
return (side == CommonBorderPaddingBackground.BEFORE
|| side == CommonBorderPaddingBackground.AFTER);
}
/**
* See rule 4 in 6.7.10 for the collapsing border model.
* @param style the border style to get the preference value for
* @return the preference value of the style
*/
public int getPreferenceValue(int style) {
switch (style) {
case Constants.EN_DOUBLE: return 0;
case Constants.EN_SOLID: return -1;
case Constants.EN_DASHED: return -2;
case Constants.EN_DOTTED: return -3;
case Constants.EN_RIDGE: return -4;
case Constants.EN_OUTSET: return -5;
case Constants.EN_GROOVE: return -6;
case Constants.EN_INSET: return -6;
default: throw new IllegalStateException("Illegal border style: " + style);
}
}
/**
* Determines the winning BorderInfo.
* @param current grid unit of the current element
* @param neighbour grid unit of the neighbouring element
* @return the winning BorderInfo
*/
public abstract BorderInfo determineWinner(
GridUnit current, GridUnit neighbour, int side, int flags);
}
|
