IJInventoryWindowController.m 20 KB

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  1. //
  2. // IJInventoryWindowController.m
  3. // InsideJob
  4. //
  5. // Created by Adam Preble on 10/7/10.
  6. // Copyright 2010 Adam Preble. All rights reserved.
  7. //
  8. #import "IJInventoryWindowController.h"
  9. #import "IJMinecraftLevel.h"
  10. #import "IJInventoryItem.h"
  11. #import "IJInventoryView.h"
  12. #import "IJItemPropertiesViewController.h"
  13. #import "MAAttachedWindow.h"
  14. #import "NSFileManager+DirectoryLocations.h"
  15. @interface IJInventoryWindowController ()
  16. - (void)saveWorld;
  17. - (void)loadWorldAtIndex:(int)worldIndex;
  18. @end
  19. @implementation IJInventoryWindowController
  20. @synthesize worldSelectionControl;
  21. @synthesize statusTextField;
  22. @synthesize inventoryView, armorView, quickView;
  23. @synthesize itemSearchField, itemTableView;
  24. - (void)awakeFromNib
  25. {
  26. armorInventory = [[NSMutableArray alloc] init];
  27. quickInventory = [[NSMutableArray alloc] init];
  28. normalInventory = [[NSMutableArray alloc] init];
  29. statusTextField.stringValue = @"";
  30. [inventoryView setRows:3 columns:9 invert:NO];
  31. [quickView setRows:1 columns:9 invert:NO];
  32. [armorView setRows:4 columns:1 invert:YES];
  33. inventoryView.delegate = self;
  34. quickView.delegate = self;
  35. armorView.delegate = self;
  36. // Item Table View setup
  37. NSArray *keys = [[IJInventoryItem itemIdLookup] allKeys];
  38. keys = [keys sortedArrayUsingSelector:@selector(compare:)];
  39. allItemIds = [[NSArray alloc] initWithArray:keys];
  40. filteredItemIds = [allItemIds retain];
  41. }
  42. - (void)dealloc
  43. {
  44. [propertiesViewController release];
  45. [armorInventory release];
  46. [quickInventory release];
  47. [normalInventory release];
  48. [inventory release];
  49. [level release];
  50. [super dealloc];
  51. }
  52. #pragma mark -
  53. #pragma mark World Selection
  54. - (void)dirtyLoadSheetDidEnd:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo
  55. {
  56. if (returnCode == NSAlertOtherReturn) // Cancel
  57. {
  58. [worldSelectionControl setSelectedSegment:loadedWorldIndex-1];
  59. return;
  60. }
  61. if (returnCode == NSAlertDefaultReturn) // Save
  62. {
  63. [self saveWorld];
  64. [self loadWorldAtIndex:attemptedLoadWorldIndex];
  65. }
  66. else if (returnCode == NSAlertAlternateReturn) // Don't save
  67. {
  68. dirty = NO; // Slightly hacky -- prevent the alert from being put up again.
  69. [self loadWorldAtIndex:attemptedLoadWorldIndex];
  70. [self setDocumentEdited: NO];
  71. }
  72. }
  73. - (void)loadWorldAtIndex:(int)worldIndex
  74. {
  75. if (dirty)
  76. {
  77. attemptedLoadWorldIndex = worldIndex;
  78. NSBeginInformationalAlertSheet(@"Do you want to save the changes you made in this world?", @"Save", @"Don't Save", @"Cancel", self.window, self, @selector(dirtyLoadSheetDidEnd:returnCode:contextInfo:), nil, nil, @"Your changes will be lost if you do not save them.");
  79. return;
  80. }
  81. [armorInventory removeAllObjects];
  82. [quickInventory removeAllObjects];
  83. [normalInventory removeAllObjects];
  84. [inventoryView setItems:normalInventory];
  85. [quickView setItems:quickInventory];
  86. [armorView setItems:armorInventory];
  87. [self willChangeValueForKey:@"worldTime"];
  88. [level release];
  89. level = nil;
  90. [inventory release];
  91. inventory = nil;
  92. [self didChangeValueForKey:@"worldTime"];
  93. statusTextField.stringValue = @"No world loaded.";
  94. if (![IJMinecraftLevel worldExistsAtIndex:worldIndex])
  95. {
  96. NSBeginCriticalAlertSheet(@"No world exists in that slot.", @"Dismiss", nil, nil, self.window, nil, nil, nil, nil, @"Please create a new single player world in this slot using Minecraft and try again.");
  97. return;
  98. }
  99. sessionLockValue = [IJMinecraftLevel writeToSessionLockAtIndex:worldIndex];
  100. if (![IJMinecraftLevel checkSessionLockAtIndex:worldIndex value:sessionLockValue])
  101. {
  102. NSBeginCriticalAlertSheet(@"Error loading world.", @"Dismiss", nil, nil, self.window, nil, nil, nil, nil, @"Inside Job was unable obtain the session lock.");
  103. return;
  104. }
  105. NSString *levelPath = [IJMinecraftLevel pathForLevelDatAtIndex:worldIndex];
  106. NSData *fileData = [NSData dataWithContentsOfURL:[NSURL fileURLWithPath:levelPath]];
  107. if (!fileData)
  108. {
  109. // Error loading
  110. NSBeginCriticalAlertSheet(@"Error loading world.", @"Dismiss", nil, nil, self.window, nil, nil, nil, nil, @"InsideJob was unable to load the level at %@.", levelPath);
  111. return;
  112. }
  113. [self willChangeValueForKey:@"worldTime"];
  114. level = [[IJMinecraftLevel nbtContainerWithData:fileData] retain];
  115. inventory = [[level inventory] retain];
  116. [self didChangeValueForKey:@"worldTime"];
  117. // Add placeholder inventory items:
  118. for (int i = 0; i < IJInventorySlotQuickLast + 1 - IJInventorySlotQuickFirst; i++)
  119. [quickInventory addObject:[IJInventoryItem emptyItemWithSlot:IJInventorySlotQuickFirst + i]];
  120. for (int i = 0; i < IJInventorySlotNormalLast + 1 - IJInventorySlotNormalFirst; i++)
  121. [normalInventory addObject:[IJInventoryItem emptyItemWithSlot:IJInventorySlotNormalFirst + i]];
  122. for (int i = 0; i < IJInventorySlotArmorLast + 1 - IJInventorySlotArmorFirst; i++)
  123. [armorInventory addObject:[IJInventoryItem emptyItemWithSlot:IJInventorySlotArmorFirst + i]];
  124. // Overwrite the placeholders with actual inventory:
  125. for (IJInventoryItem *item in inventory)
  126. {
  127. if (IJInventorySlotQuickFirst <= item.slot && item.slot <= IJInventorySlotQuickLast)
  128. {
  129. [quickInventory replaceObjectAtIndex:item.slot - IJInventorySlotQuickFirst withObject:item];
  130. }
  131. else if (IJInventorySlotNormalFirst <= item.slot && item.slot <= IJInventorySlotNormalLast)
  132. {
  133. [normalInventory replaceObjectAtIndex:item.slot - IJInventorySlotNormalFirst withObject:item];
  134. }
  135. else if (IJInventorySlotArmorFirst <= item.slot && item.slot <= IJInventorySlotArmorLast)
  136. {
  137. [armorInventory replaceObjectAtIndex:item.slot - IJInventorySlotArmorFirst withObject:item];
  138. }
  139. }
  140. // NSLog(@"normal: %@", normalInventory);
  141. // NSLog(@"quick: %@", quickInventory);
  142. [inventoryView setItems:normalInventory];
  143. [quickView setItems:quickInventory];
  144. [armorView setItems:armorInventory];
  145. dirty = NO;
  146. [self setDocumentEdited: NO];
  147. statusTextField.stringValue = @"";
  148. loadedWorldIndex = worldIndex;
  149. }
  150. - (void)saveWorld
  151. {
  152. int worldIndex = loadedWorldIndex;
  153. if (inventory == nil)
  154. return; // no world loaded, nothing to save
  155. if (![IJMinecraftLevel checkSessionLockAtIndex:worldIndex value:sessionLockValue])
  156. {
  157. NSBeginCriticalAlertSheet(@"Another application has modified this world.", @"Dismiss", nil, nil, self.window, nil, nil, nil, nil, @"The session lock was changed by another application.");
  158. return;
  159. }
  160. NSString *levelPath = [IJMinecraftLevel pathForLevelDatAtIndex:worldIndex];
  161. NSMutableArray *newInventory = [NSMutableArray array];
  162. for (NSArray *items in [NSArray arrayWithObjects:armorInventory, quickInventory, normalInventory, nil])
  163. {
  164. for (IJInventoryItem *item in items)
  165. {
  166. if (item.count > 0 && item.itemId > 0)
  167. [newInventory addObject:item];
  168. }
  169. }
  170. [level setInventory:newInventory];
  171. NSString *backupPath = [levelPath stringByAppendingPathExtension:@"insidejobbackup"];
  172. BOOL success = NO;
  173. NSError *error = nil;
  174. // Remove a previously-created .insidejobbackup, if it exists:
  175. if ([[NSFileManager defaultManager] fileExistsAtPath:backupPath])
  176. {
  177. success = [[NSFileManager defaultManager] removeItemAtPath:backupPath error:&error];
  178. if (!success)
  179. {
  180. NSLog(@"%s:%d %@", __PRETTY_FUNCTION__, __LINE__, [error localizedDescription]);
  181. NSBeginCriticalAlertSheet(@"An error occurred while saving.", @"Dismiss", nil, nil, self.window, nil, nil, nil, nil, @"Inside Job was unable to remove the prior backup of this level file:\n%@", [error localizedDescription]);
  182. return;
  183. }
  184. }
  185. // Create the backup:
  186. success = [[NSFileManager defaultManager] copyItemAtPath:levelPath toPath:backupPath error:&error];
  187. if (!success)
  188. {
  189. NSLog(@"%s:%d %@", __PRETTY_FUNCTION__, __LINE__, [error localizedDescription]);
  190. NSBeginCriticalAlertSheet(@"An error occurred while saving.", @"Dismiss", nil, nil, self.window, nil, nil, nil, nil, @"Inside Job was unable to create a backup of the existing level file:\n%@", [error localizedDescription]);
  191. return;
  192. }
  193. // Write the new level.dat out:
  194. success = [[level writeData] writeToURL:[NSURL fileURLWithPath:levelPath] options:0 error:&error];
  195. if (!success)
  196. {
  197. NSLog(@"%s:%d %@", __PRETTY_FUNCTION__, __LINE__, [error localizedDescription]);
  198. NSError *restoreError = nil;
  199. success = [[NSFileManager defaultManager] copyItemAtPath:backupPath toPath:levelPath error:&restoreError];
  200. if (!success)
  201. {
  202. NSLog(@"%s:%d %@", __PRETTY_FUNCTION__, __LINE__, [restoreError localizedDescription]);
  203. NSBeginCriticalAlertSheet(@"An error occurred while saving.", @"Dismiss", nil, nil, self.window, nil, nil, nil, nil, @"Inside Job was unable to save to the existing level file, and the backup could not be restored.\n%@\n%@", [error localizedDescription], [restoreError localizedDescription]);
  204. }
  205. else
  206. {
  207. NSBeginCriticalAlertSheet(@"An error occurred while saving.", @"Dismiss", nil, nil, self.window, nil, nil, nil, nil, @"Inside Job was unable to save to the existing level file, and the backup was successfully restored.\n%@", [error localizedDescription]);
  208. }
  209. return;
  210. }
  211. dirty = NO;
  212. [self setDocumentEdited: NO];
  213. statusTextField.stringValue = @"Saved.";
  214. }
  215. - (void)markDirty
  216. {
  217. dirty = YES;
  218. [self setDocumentEdited: YES];
  219. statusTextField.stringValue = @"World has unsaved changes.";
  220. }
  221. #pragma mark -
  222. #pragma mark Actions
  223. - (IBAction)menuSelectWorld:(id)sender
  224. {
  225. int worldIndex = [sender tag];
  226. [self loadWorldAtIndex:worldIndex];
  227. [worldSelectionControl setSelectedSegment:worldIndex - 1];
  228. }
  229. - (IBAction)worldSelectionChanged:(id)sender
  230. {
  231. int worldIndex = [worldSelectionControl selectedSegment] + 1;
  232. [self loadWorldAtIndex:worldIndex];
  233. }
  234. - (void)saveDocument:(id)sender
  235. {
  236. [self saveWorld];
  237. }
  238. - (void)delete:(id)sender
  239. {
  240. // IJInventoryItem *item = [outlineView itemAtRow:[outlineView selectedRow]];
  241. // item.count = 0;
  242. // item.itemId = 0;
  243. // item.damage = 0;
  244. // [self markDirty];
  245. // [outlineView reloadItem:item];
  246. }
  247. - (IBAction)makeSearchFieldFirstResponder:(id)sender
  248. {
  249. [itemSearchField becomeFirstResponder];
  250. }
  251. - (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem
  252. {
  253. if (anItem.action == @selector(saveDocument:))
  254. return inventory != nil;
  255. return YES;
  256. }
  257. - (NSNumber *)worldTime
  258. {
  259. return [level worldTimeContainer].numberValue;
  260. }
  261. - (void)setWorldTime:(NSNumber *)number
  262. {
  263. [self willChangeValueForKey:@"worldTime"];
  264. [level worldTimeContainer].numberValue = number;
  265. [self didChangeValueForKey:@"worldTime"];
  266. [self markDirty];
  267. }
  268. - (void)calcTimePoints:(int)number
  269. {
  270. int result;
  271. int wTime = [[self worldTime] intValue];
  272. result =wTime +(number - (wTime % number));
  273. NSNumber *newTime = [NSNumber numberWithInt:result];
  274. [self setWorldTime:newTime];
  275. }
  276. - (IBAction)setNextDay:(id)sender
  277. {
  278. int number = 24000;
  279. [self calcTimePoints:number];
  280. }
  281. - (IBAction)setNextNight:(id)sender
  282. {
  283. int number = 12000;
  284. [self calcTimePoints:number];
  285. }
  286. - (IBAction)setNextMidnight:(id)sender
  287. {
  288. int number = 18000;
  289. [self calcTimePoints:number];
  290. }
  291. - (IBAction)setNextNoon:(id)sender
  292. {
  293. int number = 6000;
  294. [self calcTimePoints:number];
  295. }
  296. - (void)clearInventory{
  297. [armorInventory removeAllObjects];
  298. [quickInventory removeAllObjects];
  299. [normalInventory removeAllObjects];
  300. [inventoryView setItems:normalInventory];
  301. [quickView setItems:quickInventory];
  302. [armorView setItems:armorInventory];
  303. [self markDirty];
  304. }
  305. - (void)saveInventory
  306. {
  307. NSString *path = [[NSFileManager defaultManager] applicationSupportDirectory];
  308. NSLog(@"%@",path);
  309. NSString *file = @"Inventory.plist";
  310. NSString *InventoryPath = [path stringByAppendingPathComponent:file];
  311. NSLog(@"%@",InventoryPath);
  312. NSMutableArray *newInventory = [NSMutableArray array];
  313. for (NSArray *items in [NSArray arrayWithObjects:armorInventory, quickInventory, normalInventory, nil])
  314. {
  315. for (IJInventoryItem *item in items)
  316. {
  317. if (item.count > 0 && item.itemId > 0)
  318. [newInventory addObject:item];
  319. }
  320. }
  321. [NSKeyedArchiver archiveRootObject: newInventory toFile:InventoryPath];
  322. }
  323. -(void)loadInventory
  324. {
  325. NSString *path = [[NSFileManager defaultManager] applicationSupportDirectory];
  326. NSString *file = @"Inventory.plist";
  327. NSString *InventoryPath = [path stringByAppendingPathComponent:file];
  328. [self clearInventory];
  329. NSArray *newInventory = [NSKeyedUnarchiver unarchiveObjectWithFile:InventoryPath];
  330. for (int i = 0; i < IJInventorySlotQuickLast + 1 - IJInventorySlotQuickFirst; i++)
  331. [quickInventory addObject:[IJInventoryItem emptyItemWithSlot:IJInventorySlotQuickFirst + i]];
  332. for (int i = 0; i < IJInventorySlotNormalLast + 1 - IJInventorySlotNormalFirst; i++)
  333. [normalInventory addObject:[IJInventoryItem emptyItemWithSlot:IJInventorySlotNormalFirst + i]];
  334. for (int i = 0; i < IJInventorySlotArmorLast + 1 - IJInventorySlotArmorFirst; i++)
  335. [armorInventory addObject:[IJInventoryItem emptyItemWithSlot:IJInventorySlotArmorFirst + i]];
  336. for (IJInventoryItem *item in newInventory)
  337. {
  338. if (IJInventorySlotQuickFirst <= item.slot && item.slot <= IJInventorySlotQuickLast)
  339. {
  340. [quickInventory replaceObjectAtIndex:item.slot - IJInventorySlotQuickFirst withObject:item];
  341. }
  342. else if (IJInventorySlotNormalFirst <= item.slot && item.slot <= IJInventorySlotNormalLast)
  343. {
  344. [normalInventory replaceObjectAtIndex:item.slot - IJInventorySlotNormalFirst withObject:item];
  345. }
  346. else if (IJInventorySlotArmorFirst <= item.slot && item.slot <= IJInventorySlotArmorLast)
  347. {
  348. [armorInventory replaceObjectAtIndex:item.slot - IJInventorySlotArmorFirst withObject:item];
  349. }
  350. }
  351. [inventoryView setItems:normalInventory];
  352. [quickView setItems:quickInventory];
  353. [armorView setItems:armorInventory];
  354. }
  355. - (IBAction)emptyInventory:(id)sender
  356. {
  357. [self clearInventory];
  358. }
  359. - (IBAction)saveInventoryItems:(id)sender
  360. {
  361. [self saveInventory];
  362. }
  363. - (IBAction)loadInventoryItems:(id)sender
  364. {
  365. [self loadInventory];
  366. }
  367. #pragma mark -
  368. #pragma mark IJInventoryViewDelegate
  369. - (NSMutableArray *)itemArrayForInventoryView:(IJInventoryView *)theInventoryView slotOffset:(int*)slotOffset
  370. {
  371. if (theInventoryView == inventoryView)
  372. {
  373. if (slotOffset) *slotOffset = IJInventorySlotNormalFirst;
  374. return normalInventory;
  375. }
  376. else if (theInventoryView == quickView)
  377. {
  378. if (slotOffset) *slotOffset = IJInventorySlotQuickFirst;
  379. return quickInventory;
  380. }
  381. else if (theInventoryView == armorView)
  382. {
  383. if (slotOffset) *slotOffset = IJInventorySlotArmorFirst;
  384. return armorInventory;
  385. }
  386. return nil;
  387. }
  388. - (void)inventoryView:(IJInventoryView *)theInventoryView removeItemAtIndex:(int)itemIndex
  389. {
  390. int slotOffset = 0;
  391. NSMutableArray *itemArray = [self itemArrayForInventoryView:theInventoryView slotOffset:&slotOffset];
  392. if (itemArray)
  393. {
  394. IJInventoryItem *item = [IJInventoryItem emptyItemWithSlot:slotOffset + itemIndex];
  395. [itemArray replaceObjectAtIndex:itemIndex withObject:item];
  396. [theInventoryView setItems:itemArray];
  397. }
  398. [self markDirty];
  399. }
  400. - (void)inventoryView:(IJInventoryView *)theInventoryView setItem:(IJInventoryItem *)item atIndex:(int)itemIndex
  401. {
  402. int slotOffset = 0;
  403. NSMutableArray *itemArray = [self itemArrayForInventoryView:theInventoryView slotOffset:&slotOffset];
  404. if (itemArray)
  405. {
  406. [itemArray replaceObjectAtIndex:itemIndex withObject:item];
  407. item.slot = slotOffset + itemIndex;
  408. [theInventoryView setItems:itemArray];
  409. }
  410. [self markDirty];
  411. }
  412. - (void)inventoryView:(IJInventoryView *)theInventoryView selectedItemAtIndex:(int)itemIndex
  413. {
  414. // Show the properties window for this item.
  415. IJInventoryItem *lastItem = propertiesViewController.item;
  416. NSPoint itemLocationInView = [theInventoryView pointForItemAtIndex:itemIndex];
  417. NSPoint point = [theInventoryView convertPoint:itemLocationInView toView:nil];
  418. point.x += 16 + 8;
  419. point.y -= 16;
  420. NSArray *items = [self itemArrayForInventoryView:theInventoryView slotOffset:nil];
  421. IJInventoryItem *item = [items objectAtIndex:itemIndex];
  422. //NSLog(@"%s index=%d item=%@", _cmd, itemIndex, item);
  423. if (item.itemId == 0 || lastItem == item)
  424. {
  425. // Perhaps caused by a bug, but it seems to be possible for the window to not be invisible at this point,
  426. // so we will set the alpha value here to be sure.
  427. [propertiesWindow setAlphaValue:0.0];
  428. propertiesViewController.item = nil;
  429. return; // can't show info on nothing
  430. }
  431. if (!propertiesViewController)
  432. {
  433. propertiesViewController = [[IJItemPropertiesViewController alloc] initWithNibName:@"ItemPropertiesView" bundle:nil];
  434. propertiesWindow = [[MAAttachedWindow alloc] initWithView:propertiesViewController.view
  435. attachedToPoint:point
  436. inWindow:self.window
  437. onSide:MAPositionRight
  438. atDistance:0];
  439. [propertiesWindow setBackgroundColor:[NSColor controlBackgroundColor]];
  440. [propertiesWindow setViewMargin:4.0];
  441. [propertiesWindow setAlphaValue:1.0];
  442. [[self window] addChildWindow:propertiesWindow ordered:NSWindowAbove];
  443. }
  444. if (observerObject)
  445. [[NSNotificationCenter defaultCenter] removeObserver:observerObject];
  446. observerObject = [[NSNotificationCenter defaultCenter] addObserverForName:NSWindowDidResignKeyNotification
  447. object:propertiesWindow
  448. queue:[NSOperationQueue mainQueue]
  449. usingBlock:^(NSNotification *notification) {
  450. [propertiesViewController commitEditing];
  451. if (item.count == 0)
  452. item.itemId = 0;
  453. [theInventoryView reloadItemAtIndex:itemIndex];
  454. [propertiesWindow setAlphaValue:0.0];
  455. }];
  456. propertiesViewController.item = item;
  457. if (propertiesViewController.item.damage == -1000){
  458. [propertiesViewController setState:YES];
  459. }else {
  460. [propertiesViewController setState:NO];
  461. }
  462. [propertiesWindow setPoint:point side:MAPositionRight];
  463. [propertiesWindow makeKeyAndOrderFront:nil];
  464. [propertiesWindow setAlphaValue:1.0];
  465. }
  466. #pragma mark -
  467. #pragma mark Item Picker
  468. - (IBAction)updateItemSearchFilter:(id)sender
  469. {
  470. NSString *filterString = [sender stringValue];
  471. if (filterString.length == 0)
  472. {
  473. [filteredItemIds autorelease];
  474. filteredItemIds = [allItemIds retain];
  475. [itemTableView reloadData];
  476. return;
  477. }
  478. NSMutableArray *results = [NSMutableArray array];
  479. for (NSNumber *itemId in allItemIds)
  480. {
  481. NSString *name = [[IJInventoryItem itemIdLookup] objectForKey:itemId];
  482. NSRange range = [name rangeOfString:filterString options:NSCaseInsensitiveSearch];
  483. if (range.location != NSNotFound)
  484. {
  485. [results addObject:itemId];
  486. continue;
  487. }
  488. // Also search the item id:
  489. range = [[itemId stringValue] rangeOfString:filterString];
  490. if (range.location != NSNotFound)
  491. {
  492. [results addObject:itemId];
  493. continue;
  494. }
  495. }
  496. [filteredItemIds autorelease];
  497. filteredItemIds = [results retain];
  498. [itemTableView reloadData];
  499. }
  500. - (NSInteger)numberOfRowsInTableView:(NSTableView *)theTableView
  501. {
  502. return filteredItemIds.count;
  503. }
  504. - (id)tableView:(NSTableView *)theTableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
  505. {
  506. NSNumber *itemId = [filteredItemIds objectAtIndex:row];
  507. if ([tableColumn.identifier isEqual:@"itemId"])
  508. {
  509. return itemId;
  510. }
  511. else if ([tableColumn.identifier isEqual:@"image"])
  512. {
  513. return [IJInventoryItem imageForItemId:[itemId shortValue]];
  514. }
  515. else
  516. {
  517. NSString *name = [[IJInventoryItem itemIdLookup] objectForKey:itemId];
  518. return name;
  519. }
  520. }
  521. - (BOOL)tableView:(NSTableView *)tableView writeRowsWithIndexes:(NSIndexSet *)rowIndexes toPasteboard:(NSPasteboard *)pboard
  522. {
  523. [pboard declareTypes:[NSArray arrayWithObjects:IJPasteboardTypeInventoryItem, nil] owner:nil];
  524. NSNumber *itemId = [filteredItemIds objectAtIndex:[rowIndexes firstIndex]];
  525. IJInventoryItem *item = [[IJInventoryItem alloc] init];
  526. item.itemId = [itemId shortValue];
  527. item.count = 1;
  528. item.damage = 0;
  529. item.slot = 0;
  530. [pboard setData:[NSKeyedArchiver archivedDataWithRootObject:item]
  531. forType:IJPasteboardTypeInventoryItem];
  532. [item release];
  533. return YES;
  534. }
  535. #pragma mark -
  536. #pragma mark NSWindowDelegate
  537. - (void)dirtyCloseSheetDidDismiss:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo
  538. {
  539. if (returnCode == NSAlertOtherReturn) // Cancel
  540. return;
  541. if (returnCode == NSAlertDefaultReturn) // Save
  542. {
  543. [self saveWorld];
  544. [self.window performClose:nil];
  545. }
  546. else if (returnCode == NSAlertAlternateReturn) // Don't save
  547. {
  548. dirty = NO; // Slightly hacky -- prevent the alert from being put up again.
  549. [self.window performClose:nil];
  550. }
  551. }
  552. - (BOOL)windowShouldClose:(id)sender
  553. {
  554. if (dirty)
  555. {
  556. // Note: We use the didDismiss selector becuase the sheet needs to be closed in order for performClose: to work.
  557. NSBeginInformationalAlertSheet(@"Do you want to save the changes you made in this world?", @"Save", @"Don't Save", @"Cancel", self.window, self, nil, @selector(dirtyCloseSheetDidDismiss:returnCode:contextInfo:), nil, @"Your changes will be lost if you do not save them.");
  558. return NO;
  559. }
  560. return YES;
  561. }
  562. - (void)windowWillClose:(NSNotification *)notification
  563. {
  564. [NSApp terminate:nil];
  565. }
  566. @end