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1
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17
18 package org.apache.poi.hssf.record;
19
20 import java.util.ArrayList  ;
21 import java.util.Collections ;
22 import java.util.HashMap ;
23 import java.util.Iterator ;
24 import java.util.List ;
25 import java.util.Map ;
26
27 import org.apache.poi.util.LittleEndian;
28
29
41 public class PageBreakRecord extends Record {
42 public static final short HORIZONTAL_SID = (short)0x1B;
43 public static final short VERTICAL_SID = (short)0x1A;
44 public short sid;
45 private short numBreaks;
46 private List breaks;
47 private Map BreakMap;
48
49
56 public class Break
57 {
58
59 public short main;
60 public short subFrom;
61 public short subTo;
62
63 public Break(short main, short subFrom, short subTo)
64 {
65 this.main = main;
66 this.subFrom = subFrom;
67 this.subTo = subTo;
68 }
69 }
70
71 public PageBreakRecord()
72 {
73
74 }
75
76
80 public PageBreakRecord(short sid) {
81 super();
82 this.sid = sid;
83 }
84
85 public PageBreakRecord(short id, short size, byte data[])
86 {
87 super(id, size, data);
88 this.sid = id;
89 }
90
91 public PageBreakRecord(short id, short size, byte data[], int offset)
92 {
93 super(id, size, data, offset);
94 this.sid = id;
95 }
96
97 protected void fillFields(byte data[], short size, int offset)
98 {
99 short loadedBreaks = LittleEndian.getShort(data, 0 + offset);
100 setNumBreaks(loadedBreaks);
101 int pos = 2;
102 for(int k = 0; k < loadedBreaks; k++)
103 {
104 addBreak((short)(LittleEndian.getShort(data, pos + offset) - 1), LittleEndian.getShort(data, pos + 2 + offset), LittleEndian.getShort(data, pos + 4 + offset));
105 pos += 6;
106 }
107
108 }
109
110 public short getSid()
111 {
112 return sid;
113 }
114
115 public int serialize(int offset, byte data[])
116 {
117 int recordsize = getRecordSize();
118 int pos = 6;
119 LittleEndian.putShort(data, offset + 0, getSid());
120 LittleEndian.putShort(data, offset + 2, (short)(recordsize - 4));
121 LittleEndian.putShort(data, offset + 4, getNumBreaks());
122 for(Iterator iterator = getBreaksIterator(); iterator.hasNext();)
123 {
124 Break Break = (Break)iterator.next();
125 LittleEndian.putShort(data, offset + pos, (short)(Break.main + 1));
126 pos += 2;
127 LittleEndian.putShort(data, offset + pos, Break.subFrom);
128 pos += 2;
129 LittleEndian.putShort(data, offset + pos, Break.subTo);
130 pos += 2;
131 }
132
133 return recordsize;
134 }
135
136 protected void validateSid(short id)
137 {
138 if(id != HORIZONTAL_SID && id != VERTICAL_SID)
139 throw new RecordFormatException("NOT A HorizontalPageBreak or VerticalPageBreak RECORD!! " + id);
140 else
141 return;
142 }
143
144 public short getNumBreaks()
145 {
146 return breaks != null ? (short)breaks.size() : numBreaks;
147 }
148
149 public void setNumBreaks(short numBreaks)
150 {
151 this.numBreaks = numBreaks;
152 }
153
154 public Iterator getBreaksIterator()
155 {
156 if(breaks == null)
157 return Collections.EMPTY_LIST.iterator();
158 else
159 return breaks.iterator();
160 }
161
162 public String toString()
163 {
164 StringBuffer retval = new StringBuffer ();
165
166 if (getSid() != HORIZONTAL_SID && getSid()!= VERTICAL_SID)
167 return "[INVALIDPAGEBREAK]\n .sid ="+getSid()+"[INVALIDPAGEBREAK]";
168
169 String label;
170 String mainLabel;
171 String subLabel;
172
173 if (getSid() == HORIZONTAL_SID) {
174 label = "HORIZONTALPAGEBREAK";
175 mainLabel = "row";
176 subLabel = "col";
177 } else {
178 label = "VERTICALPAGEBREAK";
179 mainLabel = "column";
180 subLabel = "row";
181 }
182
183 retval.append("["+label+"]").append("\n");
184 retval.append(" .sid =").append(getSid()).append("\n");
185 retval.append(" .numbreaks =").append(getNumBreaks()).append("\n");
186 Iterator iterator = getBreaksIterator();
187 for(int k = 0; k < getNumBreaks(); k++)
188 {
189 Break region = (Break)iterator.next();
190
191 retval.append(" .").append(mainLabel).append(" (zero-based) =").append(region.main).append("\n");
192 retval.append(" .").append(subLabel).append("From =").append(region.subFrom).append("\n");
193 retval.append(" .").append(subLabel).append("To =").append(region.subTo).append("\n");
194 }
195
196 retval.append("["+label+"]").append("\n");
197 return retval.toString();
198 }
199
200
206 public void addBreak(short main, short subFrom, short subTo)
207 {
208 if(breaks == null)
209 {
210 breaks = new ArrayList (getNumBreaks() + 10);
211 BreakMap = new HashMap ();
212 }
213 Integer key = new Integer (main);
214 Break region = (Break)BreakMap.get(key);
215 if(region != null)
216 {
217 region.main = main;
218 region.subFrom = subFrom;
219 region.subTo = subTo;
220 } else
221 {
222 region = new Break(main, subFrom, subTo);
223 breaks.add(region);
224 }
225 BreakMap.put(key, region);
226 }
227
228
232 public void removeBreak(short main)
233 {
234 Integer rowKey = new Integer (main);
235 Break region = (Break)BreakMap.get(rowKey);
236 breaks.remove(region);
237 BreakMap.remove(rowKey);
238 }
239
240 public int getRecordSize()
241 {
242 return 6 + getNumBreaks() * 6;
243 }
244
245
250 public Break getBreak(short main)
251 {
252 Integer rowKey = new Integer (main);
253 return (Break)BreakMap.get(rowKey);
254 }
255
256
259 public Object clone() {
260 PageBreakRecord record = new PageBreakRecord(getSid());
261 Iterator iterator = getBreaksIterator();
262 while (iterator.hasNext()) {
263 Break original = (Break)iterator.next();
264 record.addBreak(original.main, original.subFrom, original.subTo);
265 }
266 return record;
267 }
268
269
270 }
271 |
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