1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org |
2 | * |
3 | * Copyright 2000-2014, Michael Meyling <mime@qedeq.org>. |
4 | * |
5 | * "Hilbert II" is free software; you can redistribute |
6 | * it and/or modify it under the terms of the GNU General Public |
7 | * License as published by the Free Software Foundation; either |
8 | * version 2 of the License, or (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | */ |
15 | |
16 | package org.qedeq.kernel.bo.service.unicode; |
17 | |
18 | |
19 | /** |
20 | * Contains printing data for a formal proof line. |
21 | * |
22 | * @author Michael Meyling |
23 | */ |
24 | public class ProofLineData { |
25 | |
26 | /** Current Label of formal proof line. */ |
27 | private String lineLabel; |
28 | |
29 | /** String representation of formal proof line formula. */ |
30 | private String[] formula; |
31 | |
32 | /** String representation of formal proof line reason. */ |
33 | private String[] reason; |
34 | |
35 | /** |
36 | * Constructs empty container. |
37 | */ |
38 | public ProofLineData() { |
39 | init(); |
40 | } |
41 | |
42 | /** |
43 | * Construct new proof line data. |
44 | * |
45 | * @param lineLabel Proof line label. |
46 | * @param formula Formula strings. |
47 | * @param reason Reason strings. |
48 | */ |
49 | public ProofLineData(final String lineLabel, final String[] formula, final String[] reason) { |
50 | this.lineLabel = lineLabel; |
51 | this.formula = formula; |
52 | this.reason = reason; |
53 | } |
54 | |
55 | /** |
56 | * Copy constructor. |
57 | * |
58 | * @param lineData Existing object. |
59 | */ |
60 | public ProofLineData(final ProofLineData lineData) { |
61 | this.lineLabel = lineData.lineLabel; |
62 | this.formula = new String[lineData.formula.length]; |
63 | System.arraycopy(lineData.formula, 0, this.formula, 0, lineData.formula.length); |
64 | this.reason = new String[lineData.reason.length]; |
65 | System.arraycopy(lineData.reason, 0, this.reason, 0, lineData.reason.length); |
66 | } |
67 | |
68 | /** |
69 | * Empty data. |
70 | */ |
71 | public void init() { |
72 | this.lineLabel = ""; |
73 | this.formula = new String[0]; |
74 | this.reason = new String[0]; |
75 | } |
76 | |
77 | /** |
78 | * Exists formula data or reason data? |
79 | * |
80 | * @return Is there any reason or formula data? |
81 | */ |
82 | public boolean containsData() { |
83 | return (0 != lines()); |
84 | } |
85 | |
86 | /** |
87 | * How many lines do we have? This is maximum of formula lines and reason lines. |
88 | * |
89 | * @return Number of lines. |
90 | */ |
91 | public int lines() { |
92 | return Math.max(getFormula().length, getReason().length); |
93 | } |
94 | |
95 | /** |
96 | * Get label for proof line. |
97 | * |
98 | * @return Proof line label. |
99 | */ |
100 | public String getLineLabel() { |
101 | return lineLabel; |
102 | } |
103 | |
104 | /** |
105 | * Set label for proof line. |
106 | * |
107 | * @param lineLabel Proof line label. |
108 | */ |
109 | public void setLineLabel(final String lineLabel) { |
110 | this.lineLabel = lineLabel; |
111 | } |
112 | |
113 | /** |
114 | * Get proof line formula. |
115 | * |
116 | * @return Proof line formula. |
117 | */ |
118 | public String[] getFormula() { |
119 | return formula; |
120 | } |
121 | |
122 | /** |
123 | * Set proof line formula. |
124 | * |
125 | * @param formula Proof line formula. |
126 | */ |
127 | public void setFormula(final String[] formula) { |
128 | this.formula = formula; |
129 | } |
130 | |
131 | /** |
132 | * Get derive reason for proof line. Already formatted in several lines. |
133 | * |
134 | * @return Reason for getting this proof line. |
135 | */ |
136 | public String[] getReason() { |
137 | return reason; |
138 | } |
139 | |
140 | /** |
141 | * Set derive reason for proof line. |
142 | * |
143 | * @param reason Reason for getting this proof line. Must be already formatted in serveral |
144 | * lines. |
145 | */ |
146 | public void setReason(final String[] reason) { |
147 | this.reason = reason; |
148 | } |
149 | |
150 | } |