1
|
|
|
2
|
|
#region Apache Notice
|
3
|
|
|
4
|
|
|
5
|
|
|
6
|
|
|
7
|
|
|
8
|
|
|
9
|
|
|
10
|
|
|
11
|
|
|
12
|
|
|
13
|
|
|
14
|
|
|
15
|
|
|
16
|
|
|
17
|
|
|
18
|
|
|
19
|
|
|
20
|
|
|
21
|
|
|
22
|
|
|
23
|
|
|
24
|
|
|
25
|
|
#endregion
|
26
|
|
|
27
|
|
#region Imports
|
28
|
|
using System;
|
29
|
|
using System.Collections;
|
30
|
|
#endregion
|
31
|
|
|
32
|
|
|
33
|
|
namespace IBatisNet.Common.Pagination
|
34
|
|
{
|
35
|
|
|
36
|
|
|
37
|
|
|
38
|
|
public class PaginatedArrayList: IPaginatedList
|
39
|
|
{
|
40
|
|
|
41
|
|
#region Fields
|
42
|
|
|
43
|
|
private static ArrayList _emptyList = new ArrayList();
|
44
|
|
|
45
|
|
private int _pageSize = 0;
|
46
|
|
private int _pageIndex = 0;
|
47
|
|
private IList _list = null;
|
48
|
|
private IList _page = null;
|
49
|
|
#endregion
|
50
|
|
|
51
|
|
#region Properties
|
52
|
|
|
53
|
|
|
54
|
|
|
55
|
0
|
public bool IsEmpty
|
56
|
|
{
|
57
|
|
get
|
58
|
|
{
|
59
|
|
return (_page.Count == 0);
|
60
|
|
}
|
61
|
|
}
|
62
|
|
#endregion
|
63
|
|
|
64
|
|
#region Constructor (s) / Destructor
|
65
|
|
|
66
|
|
|
67
|
|
|
68
|
|
|
69
|
|
|
70
|
0
|
public PaginatedArrayList(int pageSize)
|
71
|
|
{
|
72
|
|
_pageSize = pageSize;
|
73
|
|
_pageIndex = 0;
|
74
|
|
_list = new ArrayList();
|
75
|
|
Repaginate();
|
76
|
|
}
|
77
|
|
|
78
|
|
|
79
|
|
|
80
|
|
|
81
|
|
|
82
|
|
|
83
|
0
|
public PaginatedArrayList(int initialCapacity, int pageSize)
|
84
|
|
{
|
85
|
|
_pageSize = pageSize;
|
86
|
|
_pageIndex = 0;
|
87
|
|
_list = new ArrayList(initialCapacity);
|
88
|
|
Repaginate();
|
89
|
|
}
|
90
|
|
|
91
|
|
|
92
|
|
|
93
|
|
|
94
|
|
|
95
|
|
|
96
|
0
|
public PaginatedArrayList(ICollection c, int pageSize)
|
97
|
|
{
|
98
|
|
_pageSize = pageSize;
|
99
|
|
_pageIndex = 0;
|
100
|
|
_list = new ArrayList(c);
|
101
|
|
Repaginate();
|
102
|
|
}
|
103
|
|
#endregion
|
104
|
|
|
105
|
|
#region Methods
|
106
|
|
|
107
|
|
|
108
|
|
|
109
|
|
|
110
|
0
|
private void Repaginate()
|
111
|
|
{
|
112
|
|
if (_list.Count==0)
|
113
|
|
{
|
114
|
|
_page = _emptyList;
|
115
|
|
}
|
116
|
|
else
|
117
|
|
{
|
118
|
|
int start = _pageIndex * _pageSize;
|
119
|
|
int end = start + _pageSize - 1;
|
120
|
|
if (end >= _list.Count)
|
121
|
|
{
|
122
|
|
end = _list.Count - 1;
|
123
|
|
}
|
124
|
|
if (start >= _list.Count)
|
125
|
|
{
|
126
|
|
_pageIndex = 0;
|
127
|
|
Repaginate();
|
128
|
|
}
|
129
|
|
else if (start < 0)
|
130
|
|
{
|
131
|
|
_pageIndex = _list.Count / _pageSize;
|
132
|
|
if (_list.Count % _pageSize == 0)
|
133
|
|
{
|
134
|
|
_pageIndex--;
|
135
|
|
}
|
136
|
|
Repaginate();
|
137
|
|
}
|
138
|
|
else
|
139
|
|
{
|
140
|
|
_page = SubList(_list, start, end + 1);
|
141
|
|
}
|
142
|
|
}
|
143
|
|
}
|
144
|
|
|
145
|
|
|
146
|
|
|
147
|
|
|
148
|
|
|
149
|
|
|
150
|
|
|
151
|
|
|
152
|
|
|
153
|
|
|
154
|
|
|
155
|
|
|
156
|
|
|
157
|
|
|
158
|
|
|
159
|
|
|
160
|
|
|
161
|
0
|
private IList SubList(IList list, int fromIndex, int toIndex)
|
162
|
|
{
|
163
|
|
return ((ArrayList)list).GetRange(fromIndex, toIndex-fromIndex);
|
164
|
|
}
|
165
|
|
#endregion
|
166
|
|
|
167
|
|
#region IPaginatedList Members
|
168
|
|
|
169
|
|
|
170
|
|
|
171
|
|
|
172
|
0
|
public int PageSize
|
173
|
|
{
|
174
|
|
get
|
175
|
|
{
|
176
|
|
return _pageSize;
|
177
|
|
}
|
178
|
|
}
|
179
|
|
|
180
|
|
|
181
|
|
|
182
|
|
|
183
|
0
|
public bool IsFirstPage
|
184
|
|
{
|
185
|
|
get
|
186
|
|
{
|
187
|
|
return (_pageIndex == 0);
|
188
|
|
}
|
189
|
|
}
|
190
|
|
|
191
|
|
|
192
|
|
|
193
|
|
|
194
|
0
|
public bool IsMiddlePage
|
195
|
|
{
|
196
|
|
get
|
197
|
|
{
|
198
|
|
return !(this.IsFirstPage || this.IsLastPage);
|
199
|
|
}
|
200
|
|
}
|
201
|
|
|
202
|
|
|
203
|
|
|
204
|
|
|
205
|
0
|
public bool IsLastPage
|
206
|
|
{
|
207
|
|
get
|
208
|
|
{
|
209
|
|
return _list.Count - ((_pageIndex + 1) * _pageSize) < 1;
|
210
|
|
}
|
211
|
|
}
|
212
|
|
|
213
|
|
|
214
|
|
|
215
|
|
|
216
|
0
|
public bool IsNextPageAvailable
|
217
|
|
{
|
218
|
|
get
|
219
|
|
{
|
220
|
|
return !this.IsLastPage;
|
221
|
|
}
|
222
|
|
}
|
223
|
|
|
224
|
|
|
225
|
|
|
226
|
|
|
227
|
0
|
public bool IsPreviousPageAvailable
|
228
|
|
{
|
229
|
|
get
|
230
|
|
{
|
231
|
|
return !this.IsFirstPage;
|
232
|
|
}
|
233
|
|
}
|
234
|
|
|
235
|
|
|
236
|
|
|
237
|
|
|
238
|
|
|
239
|
0
|
public bool NextPage()
|
240
|
|
{
|
241
|
|
if (this.IsNextPageAvailable)
|
242
|
|
{
|
243
|
|
_pageIndex++;
|
244
|
|
Repaginate();
|
245
|
|
return true;
|
246
|
|
}
|
247
|
|
else
|
248
|
|
{
|
249
|
|
return false;
|
250
|
|
}
|
251
|
|
}
|
252
|
|
|
253
|
|
|
254
|
|
|
255
|
|
|
256
|
|
|
257
|
0
|
public bool PreviousPage()
|
258
|
|
{
|
259
|
|
if (this.IsPreviousPageAvailable)
|
260
|
|
{
|
261
|
|
_pageIndex--;
|
262
|
|
Repaginate();
|
263
|
|
return true;
|
264
|
|
}
|
265
|
|
else
|
266
|
|
{
|
267
|
|
return false;
|
268
|
|
}
|
269
|
|
}
|
270
|
|
|
271
|
|
|
272
|
|
|
273
|
|
|
274
|
|
|
275
|
0
|
public void GotoPage(int pageIndex)
|
276
|
|
{
|
277
|
|
_pageIndex = pageIndex;
|
278
|
|
Repaginate();
|
279
|
|
}
|
280
|
|
|
281
|
|
|
282
|
|
|
283
|
|
|
284
|
0
|
public int PageIndex
|
285
|
|
{
|
286
|
|
get
|
287
|
|
{
|
288
|
|
return _pageIndex;
|
289
|
|
}
|
290
|
|
}
|
291
|
|
|
292
|
|
#endregion
|
293
|
|
|
294
|
|
#region IList Members
|
295
|
|
|
296
|
|
|
297
|
|
|
298
|
|
|
299
|
0
|
public bool IsReadOnly
|
300
|
|
{
|
301
|
|
get
|
302
|
|
{
|
303
|
|
return _list.IsReadOnly;
|
304
|
|
}
|
305
|
|
}
|
306
|
|
|
307
|
|
|
308
|
|
|
309
|
|
|
310
|
0
|
public object this[int index]
|
311
|
|
{
|
312
|
|
get
|
313
|
|
{
|
314
|
|
return _page[index];
|
315
|
|
}
|
316
|
|
set
|
317
|
|
{
|
318
|
|
_list[index] = value;
|
319
|
|
Repaginate();
|
320
|
|
}
|
321
|
|
}
|
322
|
|
|
323
|
|
|
324
|
|
|
325
|
|
|
326
|
|
|
327
|
0
|
public void RemoveAt(int index)
|
328
|
|
{
|
329
|
|
_list.RemoveAt(index);
|
330
|
|
Repaginate();
|
331
|
|
}
|
332
|
|
|
333
|
|
|
334
|
|
|
335
|
|
|
336
|
|
|
337
|
|
|
338
|
0
|
public void Insert(int index, object value)
|
339
|
|
{
|
340
|
|
_list.Insert(index, value);
|
341
|
|
Repaginate();
|
342
|
|
}
|
343
|
|
|
344
|
|
|
345
|
|
|
346
|
|
|
347
|
|
|
348
|
0
|
public void Remove(object value)
|
349
|
|
{
|
350
|
|
_list.Remove(value);
|
351
|
|
Repaginate();
|
352
|
|
}
|
353
|
|
|
354
|
|
|
355
|
|
|
356
|
|
|
357
|
|
|
358
|
|
|
359
|
0
|
public bool Contains(object value)
|
360
|
|
{
|
361
|
|
return _page.Contains(value);
|
362
|
|
}
|
363
|
|
|
364
|
|
|
365
|
|
|
366
|
|
|
367
|
0
|
public void Clear()
|
368
|
|
{
|
369
|
|
_list.Clear();
|
370
|
|
Repaginate();
|
371
|
|
}
|
372
|
|
|
373
|
|
|
374
|
|
|
375
|
|
|
376
|
|
|
377
|
|
|
378
|
0
|
public int IndexOf(object value)
|
379
|
|
{
|
380
|
|
return _page.IndexOf(value);
|
381
|
|
}
|
382
|
|
|
383
|
|
|
384
|
|
|
385
|
|
|
386
|
|
|
387
|
|
|
388
|
0
|
public int Add(object value)
|
389
|
|
{
|
390
|
|
int i = _list.Add(value);
|
391
|
|
Repaginate();
|
392
|
|
return i;
|
393
|
|
}
|
394
|
|
|
395
|
|
|
396
|
|
|
397
|
|
|
398
|
0
|
public bool IsFixedSize
|
399
|
|
{
|
400
|
|
get
|
401
|
|
{
|
402
|
|
return _list.IsFixedSize;
|
403
|
|
}
|
404
|
|
}
|
405
|
|
|
406
|
|
#endregion
|
407
|
|
|
408
|
|
#region ICollection Members
|
409
|
|
|
410
|
|
|
411
|
|
|
412
|
|
|
413
|
0
|
public bool IsSynchronized
|
414
|
|
{
|
415
|
|
get
|
416
|
|
{
|
417
|
|
return _page.IsSynchronized;
|
418
|
|
}
|
419
|
|
}
|
420
|
|
|
421
|
|
|
422
|
|
|
423
|
|
|
424
|
0
|
public int Count
|
425
|
|
{
|
426
|
|
get
|
427
|
|
{
|
428
|
|
return _page.Count;
|
429
|
|
}
|
430
|
|
}
|
431
|
|
|
432
|
|
|
433
|
|
|
434
|
|
|
435
|
|
|
436
|
|
|
437
|
0
|
public void CopyTo(Array array, int index)
|
438
|
|
{
|
439
|
|
_page.CopyTo(array, index);
|
440
|
|
}
|
441
|
|
|
442
|
|
|
443
|
|
|
444
|
|
|
445
|
0
|
public object SyncRoot
|
446
|
|
{
|
447
|
|
get
|
448
|
|
{
|
449
|
|
return _page.SyncRoot;
|
450
|
|
}
|
451
|
|
}
|
452
|
|
|
453
|
|
#endregion
|
454
|
|
|
455
|
|
#region IEnumerable Members
|
456
|
|
|
457
|
|
|
458
|
|
|
459
|
|
|
460
|
|
|
461
|
0
|
public IEnumerator GetEnumerator()
|
462
|
|
{
|
463
|
|
return _page.GetEnumerator();
|
464
|
|
}
|
465
|
|
|
466
|
|
#endregion
|
467
|
|
|
468
|
|
#region IEnumerator Members
|
469
|
|
|
470
|
|
|
471
|
|
|
472
|
|
|
473
|
|
|
474
|
0
|
public void Reset()
|
475
|
|
{
|
476
|
|
_page.GetEnumerator().Reset();
|
477
|
|
}
|
478
|
|
|
479
|
|
|
480
|
|
|
481
|
|
|
482
|
0
|
public object Current
|
483
|
|
{
|
484
|
|
get
|
485
|
|
{
|
486
|
|
return _page.GetEnumerator().Current;
|
487
|
|
}
|
488
|
|
}
|
489
|
|
|
490
|
|
|
491
|
|
|
492
|
|
|
493
|
|
|
494
|
|
|
495
|
|
|
496
|
|
|
497
|
0
|
public bool MoveNext()
|
498
|
|
{
|
499
|
|
return _page.GetEnumerator().MoveNext();
|
500
|
|
}
|
501
|
|
|
502
|
|
#endregion
|
503
|
|
}
|
504
|
|
}
|
505
|
|
|