opengroupware-5.5rc3.tar.gz: .../SkyImapMailList.m

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1 /* 2 Copyright (C) 2000-2005 SKYRIX Software AG 3 4 This file is part of OpenGroupware.org. 5 6 OGo is free software; you can redistribute it and/or modify it under 7 the terms of the GNU Lesser General Public License as published by the 8 Free Software Foundation; either version 2, or (at your option) any 9 later version. 10 11 OGo is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 14 License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with OGo; see the file COPYING. If not, write to the 18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 19 02111-1307, USA. 20 */ 21 22 #import "common.h" 23 #import <Foundation/NSFormatter.h> 24 #import "LSWImapMailMove.h" 25 #import "SkyImapMailListState.h" 26 #import "SkyImapMailDataSource.h" 27 #import "LSWImapMails.h" 28 29 @interface LSWImapMails(Private) 30 - (void)setToDeletedMails:(NSArray *)_mails; 31 @end /* LSWImapMails(Private) */ 32 33 @interface SkyImapMailStringShortenizer : NSFormatter 34 { 35 @protected 36 unsigned length; 37 NSString *nilString; 38 } 39 - (void)setLength:(unsigned int)_length; 40 - (void)setNilString:(NSString *)_nilString; 41 @end 42 43 @interface SkyImapMailList : OGoContentPage 44 { 45 @protected 46 EODataSource *dataSource; 47 SkyImapMailListState *state; 48 SkyImapMailStringShortenizer *senderFormatter; 49 SkyImapMailStringShortenizer *subjectFormatter; 50 NSMutableArray *selections; 51 id message; 52 BOOL dataSourceDidChange; 53 int mailCount; 54 int index; 55 } 56 - (void)_showAll; 57 - (void)_showUnread; 58 - (void)_showFlagged; 59 - (id)showAll; 60 - (id)showUnread; 61 - (id)showFlagged; 62 63 @end 64 65 #include "common.h" 66 67 @implementation SkyImapMailList 68 69 - (id)init { 70 if ((self = [super init])) { 71 NSZone *z; 72 73 z = [self zone]; 74 self->senderFormatter = [[SkyImapMailStringShortenizer alloc] init]; 75 self->subjectFormatter = [[SkyImapMailStringShortenizer alloc] init]; 76 77 [self->subjectFormatter 78 setNilString:[[self labels] valueForKey:@"noMailTitle"]]; 79 self->selections = [[NSMutableArray allocWithZone:z] init]; 80 81 [[NSNotificationCenter defaultCenter] 82 addObserver:self 83 selector:@selector(clearSelections) 84 name:@"LSWImapMailsShouldClearSelections" 85 object:nil]; 86 87 self->dataSourceDidChange = YES; 88 } 89 return self; 90 } 91 92 - (void)dealloc { 93 [[NSNotificationCenter defaultCenter] removeObserver:self]; 94 [self->state release]; 95 [self->senderFormatter release]; 96 [self->subjectFormatter release]; 97 [self->message release]; 98 [self->selections release]; 99 [super dealloc]; 100 } 101 102 103 - (void)appendToResponse:(WOResponse *)_response inContext:(WOContext *)_ctx { 104 EOSortOrdering *so; 105 SEL sel; 106 NSArray *soArray; 107 108 sel = ([self->state isDescending]) 109 ? EOCompareDescending : EOCompareAscending; 110 so = [EOSortOrdering sortOrderingWithKey:[self->state sortedKey] 111 selector:sel]; 112 soArray = [NSArray arrayWithObject:so]; 113 114 if ([(SkyImapMailDataSource *)self->dataSource 115 useSSSortingForSOArray:soArray]) { 116 if ([self->state sortedKey]) { 117 EOFetchSpecification *fetchSpec; 118 119 if ((fetchSpec = [self->dataSource fetchSpecification]) == nil) { 120 fetchSpec = [EOFetchSpecification fetchSpecificationWithEntityName:nil 121 qualifier:nil 122 sortOrderings: 123 [NSArray arrayWithObject:so]]; 124 [self->dataSource setFetchSpecification:fetchSpec]; 125 } 126 else { 127 NSArray *sos; 128 129 sos = [NSArray arrayWithObject:so]; 130 131 if (![[fetchSpec sortOrderings] isEqual:sos]) { 132 [fetchSpec setSortOrderings:[NSArray arrayWithObject:so]]; 133 [self->dataSource setFetchSpecification:fetchSpec]; 134 } 135 } 136 } 137 [(SkyImapMailDataSource *)self->dataSource 138 preFetchMessagesInRange: 139 NSMakeRange([self->state blockSize] 140 * ([self->state currentBatch]-1), 141 [self->state blockSize])]; 142 } 143 [super appendToResponse:_response inContext:_ctx]; 144 } 145 146 - (void)clearSelections { 147 [self->selections removeAllObjects]; 148 } 149 150 - (void)dataSourceDidChange { 151 self->dataSourceDidChange = YES; 152 } 153 154 155 - (void)syncAwake { 156 [super syncAwake]; 157 158 [self->subjectFormatter setLength:[self->state subjectLength]]; 159 [self->senderFormatter setLength:[self->state senderLength]]; 160 161 if (self->dataSourceDidChange && [self->state isShowFilterButtons]) { 162 if ([self->state showAllMessages] == -1) 163 [self _showUnread]; 164 else if ([self->state showAllMessages] == 1) 165 [self _showAll]; 166 else if ([[self->state showMessages] isEqualToString:@"all"]) 167 [self showAll]; 168 else if ([[self->state showMessages] isEqualToString:@"flagged"]) 169 [self showFlagged]; 170 else 171 [self showUnread]; 172 self->dataSourceDidChange = NO; 173 } 174 } 175 176 - (void)syncSleep { 177 [self->state synchronize]; // write userDefaults 178 [super syncSleep]; 179 } 180 181 // -- accsessors 182 183 - (void)setDataSource:(EODataSource *)_dataSource { 184 if (self->dataSource != _dataSource) { 185 NSNotificationCenter *nc; 186 187 nc = [NSNotificationCenter defaultCenter]; 188 [nc removeObserver:self 189 name:EODataSourceDidChangeNotification 190 object:self->dataSource]; 191 192 ASSIGN(self->dataSource, _dataSource); 193 194 [nc addObserver:self 195 selector:@selector(dataSourceDidChange) 196 name:EODataSourceDidChangeNotification 197 object:self->dataSource]; 198 } 199 } 200 - (EODataSource *)dataSource { 201 return self->dataSource; 202 } 203 204 - (void)setSelections:(NSArray *)_selections { 205 ASSIGN(self->selections, selections); 206 } 207 - (NSArray *)selections { 208 return self->selections; 209 } 210 211 - (id)message { 212 return self->message; 213 } 214 - (void)setMessage:(id)_message { 215 ASSIGN(self->message, _message); 216 } 217 218 - (NSFormatter *)senderFormatter { 219 return self->senderFormatter; 220 } 221 - (NSFormatter *)subjectFormatter { 222 return self->subjectFormatter; 223 } 224 225 - (void)setState:(SkyImapMailListState *)_state { 226 ASSIGN(self->state, _state); 227 } 228 - (SkyImapMailListState *)state { 229 return self->state; 230 } 231 232 // ------------------------------------------------------------------------ 233 234 - (NSString *)longSubject { 235 return [NSString stringWithFormat:@"\"%@\" - %@", 236 [self->message valueForKey:@"subject"], 237 [self->message valueForKey:@"sender"]]; 238 } 239 240 - (NSString *)messageIdentifier { 241 return [NSString stringWithFormat:@"%p_%d", 242 [self->message folder], [self->message uid]]; 243 } 244 245 - (NSCalendarDate *)sendDate { 246 NSCalendarDate *result; 247 248 result = [self->message valueForKey:@"sendDate"]; 249 if ([result respondsToSelector:@selector(setTimeZone:)]) 250 [result setTimeZone:[[self session] timeZone]]; 251 return result; 252 } 253 254 // --- conditions --------------------------------------------- 255 256 - (BOOL)isRead { 257 return [self->message isRead]; 258 } 259 260 - (BOOL)isAnswered { 261 return [self->message isAnswered]; 262 } 263 264 - (BOOL)isNew { 265 return (([[self->message valueForKey:@"isNew"] intValue] == 1)); 266 } 267 268 - (BOOL)isUnread { 269 return (![self isRead] && ![self isNew]); 270 } 271 272 - (BOOL)scrollOnClientSide { 273 int treshold; 274 275 if (![self->state doClientSideScroll]) 276 return NO; 277 278 treshold = [self->state clientSideScrollTreshold]; 279 280 return ([[self valueForKey:@"mailCount"] intValue] < treshold) ? YES : NO; 281 } 282 283 /* posting notifications */ 284 285 - (NSNotificationCenter *)notificationCenter { 286 return [NSNotificationCenter defaultCenter]; 287 } 288 289 - (void)_postMailWasDeleted { 290 [[self notificationCenter] postNotificationName:@"LSWImapMailWasDeleted" 291 object:nil]; 292 } 293 - (void)_postMailFlagsChanged:(NGImap4Message *)_msg { 294 [[self notificationCenter] postNotificationName:@"LSWImapMailFlagsChanged" 295 object:_msg]; 296 } 297 298 /* actions */ 299 300 - (void)_showAll { 301 EOFetchSpecification *fetchSpec; 302 303 fetchSpec = [self->dataSource fetchSpecification]; 304 [fetchSpec setQualifier:nil]; 305 306 [self->dataSource setFetchSpecification:fetchSpec]; 307 } 308 309 - (void)_showUnread { 310 EOFetchSpecification *fetchSpec; 311 EOQualifier *q; 312 313 q = [EOQualifier qualifierWithQualifierFormat:@"flags = \"unseen\""]; 314 315 fetchSpec = [self->dataSource fetchSpecification]; 316 [fetchSpec setQualifier:q]; 317 318 [self->dataSource setFetchSpecification:fetchSpec]; 319 } 320 321 - (void)_showFlagged { 322 EOFetchSpecification *fetchSpec; 323 EOQualifier *q; 324 325 q = [EOQualifier qualifierWithQualifierFormat:@"flags = \"flagged\""]; 326 fetchSpec = [self->dataSource fetchSpecification]; 327 [fetchSpec setQualifier:q]; 328 329 [self->dataSource setFetchSpecification:fetchSpec]; 330 } 331 332 - (id)showAll { 333 [self->state setShowAllMessages:0]; 334 [self _showAll]; 335 [self->state setShowMessages:@"all"]; 336 337 return nil; 338 } 339 340 - (id)showUnread { 341 [self->state setShowAllMessages:0]; 342 [self _showUnread]; 343 [self->state setShowMessages:@"unread"]; 344 345 return nil; 346 } 347 348 - (id)showFlagged { 349 [self->state setShowAllMessages:0]; 350 [self _showFlagged]; 351 [self->state setShowMessages:@"flagged"]; 352 353 return nil; 354 } 355 356 - (id)viewMail { 357 NSNotificationCenter *nc; 358 BOOL wasUnread; 359 id page; 360 361 nc = [NSNotificationCenter defaultCenter]; 362 wasUnread = ![self->message isRead]; 363 364 if (![self->message isRead]) { 365 [self->message markRead]; 366 [self _postMailFlagsChanged:self->message]; 367 } 368 page = [[[self session] navigation] activateObject:self->message 369 withVerb:@"view"]; 370 [page takeValue:[NSNumber numberWithBool:wasUnread] 371 forKey:@"messageWasUnread"]; 372 [page takeValue:self->dataSource forKey:@"mailDS"]; 373 return page; 374 } 375 376 - (id)markMessageRead { 377 [self->message markRead]; 378 return nil; 379 } 380 381 - (id)markMessageUnread { 382 [self->message markUnread]; 383 return nil; 384 } 385 386 - (id)markMessageNotAnswered { 387 [self->message markNotAnswered]; 388 [self _postMailFlagsChanged:self->message]; 389 return nil; 390 } 391 392 - (id)markMessageFlagged { 393 [self->message markFlagged]; 394 return nil; 395 } 396 397 - (id)markMessageUnflagged { 398 [self->message markUnFlagged]; 399 return nil; 400 } 401 402 - (id)markRead { 403 NSEnumerator *enumerator; 404 id obj; 405 406 enumerator = [self->selections objectEnumerator]; 407 408 while ((obj = [enumerator nextObject])) 409 [(NGImap4Message *)obj markRead]; 410 411 [self _postMailFlagsChanged:nil]; 412 [self->selections removeAllObjects]; 413 return nil; 414 } 415 416 - (id)markUnread { 417 NSEnumerator *enumerator; 418 id obj; 419 420 enumerator = [self->selections objectEnumerator]; 421 422 while ((obj = [enumerator nextObject])) 423 [(NGImap4Message *)obj markUnread]; 424 425 [self _postMailFlagsChanged:nil /* a set changed */]; 426 [self->selections removeAllObjects]; 427 return nil; 428 } 429 430 - (id)markFlagged { 431 NSEnumerator *enumerator; 432 id obj; 433 434 enumerator = [self->selections objectEnumerator]; 435 436 while ((obj = [enumerator nextObject])) { 437 [(NGImap4Message *)obj markFlagged]; 438 } 439 [self _postMailFlagsChanged:nil]; 440 [self->selections removeAllObjects]; 441 return nil; 442 } 443 444 - (id)markUnFlagged { 445 NSEnumerator *enumerator; 446 id obj; 447 448 enumerator = [self->selections objectEnumerator]; 449 450 while ((obj = [enumerator nextObject])) { 451 [(NGImap4Message *)obj markUnFlagged]; 452 } 453 [self _postMailFlagsChanged:nil]; 454 [self->selections removeAllObjects]; 455 return nil; 456 } 457 458 - (id)moveMail { 459 if (([self->selections count] > 0)) { 460 LSWImapMailMove *page; 461 462 page = [self pageWithName:@"LSWImapMailMove"]; 463 [page setMails:AUTORELEASE([self->selections copy])]; 464 [page setCopyMode:NO]; 465 [self->selections removeAllObjects]; 466 467 return page; 468 } 469 return nil; 470 } 471 472 - (id)copyMail { 473 if (([self->selections count] > 0)) { 474 LSWImapMailMove *page; 475 476 page = [self pageWithName:@"LSWImapMailMove"]; 477 [page setMails:AUTORELEASE([self->selections copy])]; 478 [page setCopyMode:YES]; 479 [self->selections removeAllObjects]; 480 481 return page; 482 } 483 return nil; 484 } 485 486 - (id)deleteMail { 487 NGImap4Folder *f; 488 489 if ([self->selections count] == 0) 490 return nil; 491 492 f = [[self->selections lastObject] folder]; 493 494 if ([f isInTrash]) 495 [f deleteMessages:self->selections]; 496 else { 497 if (![f moveMessages:self->selections 498 toFolder:[[f context] trashFolder]]) { 499 NSException *exc; 500 id p; 501 502 p = [[[self session] navigation] activePage]; 503 504 exc = [f lastException]; 505 506 [p setWarningOkAction:@"reallyDeleteMails"]; 507 { 508 NSString *wp, *reason; 509 id l; 510 511 l = [self labels]; 512 wp = [l valueForKey:@"MoveMailToTrashFailedWithReason"]; 513 if ((reason = [exc reason])) { 514 reason = [l valueForKey:reason]; 515 } 516 wp = [NSString stringWithFormat:@"%@: '%@'. %@", wp, reason, 517 [l valueForKey:@"DeleteMailsAnyway"]]; 518 [p setWarningPhrase:wp]; 519 } 520 [p setIsInWarningMode:YES]; 521 [p setToDeletedMails:self->selections]; 522 523 return nil; 524 } 525 } 526 [self _postMailWasDeleted]; 527 [self->selections removeAllObjects]; 528 if ([self scrollOnClientSide]) 529 [self->state setCurrentBatch:1]; 530 531 return nil; 532 } 533 534 - (int)mailCount { 535 return self->mailCount; 536 } 537 - (void)setMailCount:(int)_cnt { 538 self->mailCount = _cnt; 539 } 540 541 - (int)index { 542 return self->index; 543 } 544 - (void)setIndex:(int)_cnt { 545 self->index = _cnt; 546 } 547 548 @end 549 550 @implementation SkyImapMailStringShortenizer 551 552 - (id)init { 553 if ((self = [super init])) { 554 self->length = 20; 555 self->nilString = nil; 556 } 557 return self; 558 } 559 560 - (void)dealloc { 561 [self->nilString release]; 562 [super dealloc]; 563 } 564 565 - (void)setLength:(unsigned int)_length { 566 self->length = _length; 567 } 568 569 - (void)setNilString:(NSString *)_nilString { 570 ASSIGN(self->nilString, _nilString); 571 } 572 573 /* object => string */ 574 575 - (NSString *)stringForObjectValue:(id)_object { 576 if (![_object isNotEmpty]) 577 return (self->nilString != nil) ? self->nilString : (NSString *)@""; 578 579 if (([_object length] <= self->length) || ([_object length] <= 4)) 580 return [_object stringValue]; 581 582 { 583 NSString *result = [_object substringToIndex:self->length-2]; 584 return [result stringByAppendingString:@".."]; 585 } 586 } 587 588 - (NSString *)editingStringForObjectValue:(id)_object { 589 return (![_object isNotNull]) 590 ? (NSString *)@"" 591 : [_object stringValue]; 592 } 593 594 // string => object 595 596 - (BOOL)getObjectValue:(id *)_object 597 forString:(NSString *)_string 598 errorDescription:(NSString **)_error 599 { 600 *_object = [_string isNotEmpty] ? _string : (NSString *)[NSNull null]; 601 602 return YES; 603 } 604 605 @end /* SkyImapMailStringShortenizer */