Classes/NJMappingsController.m

   1 //
   2 //  NJMappingsController.m
   3 //  Enjoy
   4 //
   5 //  Created by Sam McCall on 4/05/09.
   6 //
   7
   8 #import "NJMappingsController.h"
   9
  10 #import "NJMapping.h"
  11 #import "NJMappingsController.h"
  12 #import "NJOutput.h"
  13 #import "NJEvents.h"
  14
  15 #define PB_ROW @"com.yukkurigames.Enjoyable.MappingRow"
  16
  17 @implementation NJMappingsController {
  18     NSMutableArray *_mappings;
  19     NJMapping *_manualMapping;
  20 }
  21
  22 - (id)init {
  23     if ((self = [super init])) {
  24         _mappings = [[NSMutableArray alloc] init];
  25         _currentMapping = [[NJMapping alloc] initWithName:
  26                            NSLocalizedString(@"(default)", @"default name for first the mapping")];
  27         _manualMapping = _currentMapping;
  28         [_mappings addObject:_currentMapping];
  29     }
  30     return self;
  31 }
  32
  33 - (void)awakeFromNib {
  34     [tableView registerForDraggedTypes:@[PB_ROW, NSURLPboardType]];
  35     [tableView setDraggingSourceOperationMask:NSDragOperationCopy forLocal:NO];
  36 }
  37
  38 - (NJMapping *)objectForKeyedSubscript:(NSString *)name {
  39     for (NJMapping *mapping in _mappings)
  40         if ([name isEqualToString:mapping.name])
  41             return mapping;
  42     return nil;
  43 }
  44
  45 - (NJMapping *)objectAtIndexedSubscript:(NSUInteger)idx {
  46     return idx < _mappings.count ? _mappings[idx] : nil;
  47 }
  48
  49 - (void)mappingsChanged {
  50     [self save];
  51     [tableView reloadData];
  52     [self updateInterfaceForCurrentMapping];
  53     [NSNotificationCenter.defaultCenter
  54         postNotificationName:NJEventMappingListChanged
  55                       object:self
  56                     userInfo:@{ NJMappingListKey: _mappings,
  57                                 NJMappingKey: _currentMapping }];
  58 }
  59
  60 - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state
  61                                   objects:(__unsafe_unretained id [])buffer
  62                                     count:(NSUInteger)len {
  63     return [_mappings countByEnumeratingWithState:state
  64                                           objects:buffer
  65                                             count:len];
  66 }
  67
  68 - (void)activateMappingForProcess:(NSRunningApplication *)app {
  69     NJMapping *oldMapping = _manualMapping;
  70     NSArray *names = app.possibleMappingNames;
  71     BOOL found = NO;
  72     for (NSString *name in names) {
  73         NJMapping *mapping = self[name];
  74         if (mapping) {
  75             [self activateMapping:mapping];
  76             found = YES;
  77             break;
  78         }
  79     }
  80
  81     if (!found) {
  82         [self activateMapping:oldMapping];
  83         if ([oldMapping.name.lowercaseString isEqualToString:@"@application"]
  84             || [oldMapping.name.lowercaseString isEqualToString:
  85                 NSLocalizedString(@"@Application", nil).lowercaseString]) {
  86             oldMapping.name = app.bestMappingName;
  87             [self mappingsChanged];
  88         }
  89     }
  90     _manualMapping = oldMapping;
  91 }
  92
  93 - (void)updateInterfaceForCurrentMapping {
  94     NSUInteger selected = [_mappings indexOfObject:_currentMapping];
  95     removeButton.enabled = selected != 0;
  96     moveUp.enabled = selected > 1;
  97     moveDown.enabled = selected && selected != _mappings.count - 1;
  98     popoverActivate.title = _currentMapping.name;
  99     [tableView selectRowIndexes:[NSIndexSet indexSetWithIndex:selected] byExtendingSelection:NO];
 100     [NSUserDefaults.standardUserDefaults setInteger:selected forKey:@"selected"];
 101 }
 102
 103 - (void)activateMapping:(NJMapping *)mapping {
 104     if (!mapping)
 105         mapping = _manualMapping;
 106     if (mapping == _currentMapping)
 107         return;
 108     NSLog(@"Switching to mapping %@.", mapping.name);
 109     _manualMapping = mapping;
 110     _currentMapping = mapping;
 111     [self updateInterfaceForCurrentMapping];
 112     [NSNotificationCenter.defaultCenter
 113          postNotificationName:NJEventMappingChanged
 114                        object:self
 115                      userInfo:@{ NJMappingKey : _currentMapping }];
 116 }
 117
 118 - (IBAction)addPressed:(id)sender {
 119     [self mappingPressed:sender];
 120     NJMapping *newMapping = [[NJMapping alloc] init];
 121     [_mappings addObject:newMapping];
 122     [self activateMapping:newMapping];
 123     [self mappingsChanged];
 124     [tableView editColumn:0 row:_mappings.count - 1 withEvent:nil select:YES];
 125 }
 126
 127 - (IBAction)removePressed:(id)sender {
 128     if (tableView.selectedRow == 0)
 129         return;
 130
 131     NSInteger selectedRow = tableView.selectedRow;
 132     [_mappings removeObjectAtIndex:selectedRow];
 133     [self activateMapping:_mappings[MIN(selectedRow, _mappings.count - 1)]];
 134     [self mappingsChanged];
 135 }
 136
 137 - (void)tableViewSelectionDidChange:(NSNotification *)notify {
 138     [self activateMapping:self[tableView.selectedRow]];
 139 }
 140
 141 - (id)tableView:(NSTableView *)view objectValueForTableColumn:(NSTableColumn *)column row:(NSInteger)index {
 142     return self[index].name;
 143 }
 144
 145 - (void)tableView:(NSTableView *)view
 146    setObjectValue:(NSString *)obj
 147    forTableColumn:(NSTableColumn *)col
 148               row:(NSInteger)index {
 149     self[index].name = obj;
 150     [self mappingsChanged];
 151 }
 152
 153 - (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView {
 154     return _mappings.count;
 155 }
 156
 157 - (BOOL)tableView:(NSTableView *)view shouldEditTableColumn:(NSTableColumn *)column row:(NSInteger)index {
 158     return YES;
 159 }
 160
 161 - (void)save {
 162     NSLog(@"Saving mappings to defaults.");
 163     NSMutableArray *ary = [[NSMutableArray alloc] initWithCapacity:_mappings.count];
 164     for (NJMapping *mapping in _mappings)
 165         [ary addObject:[mapping serialize]];
 166     [NSUserDefaults.standardUserDefaults setObject:ary forKey:@"mappings"];
 167 }
 168
 169 - (void)load {
 170     NSUInteger selected = [NSUserDefaults.standardUserDefaults integerForKey:@"selected"];
 171     NSArray *mappings = [NSUserDefaults.standardUserDefaults arrayForKey:@"mappings"];
 172     [self loadAllFrom:mappings andActivate:selected];
 173 }
 174
 175 - (void)loadAllFrom:(NSArray *)storedMappings andActivate:(NSUInteger)selected {
 176     NSMutableArray* newMappings = [[NSMutableArray alloc] initWithCapacity:storedMappings.count];
 177
 178     // Requires two passes to deal with inter-mapping references. First make
 179     // an empty mapping for each serialized mapping. Then, deserialize the
 180     // data pointing to the empty mappings. Then merge that data back into
 181     // its equivalent empty one, which is the one we finally use.
 182     for (NSDictionary *storedMapping in storedMappings) {
 183         NJMapping *mapping = [[NJMapping alloc] initWithName:storedMapping[@"name"]];
 184         [newMappings addObject:mapping];
 185     }
 186
 187     for (unsigned i = 0; i < storedMappings.count; ++i) {
 188         NJMapping *realMapping = [[NJMapping alloc] initWithSerialization:storedMappings[i]
 189                                                                  mappings:newMappings];
 190         [newMappings[i] mergeEntriesFrom:realMapping];
 191     }
 192
 193     if (newMappings.count) {
 194         _mappings = newMappings;
 195         if (selected >= newMappings.count)
 196             selected = 0;
 197         [self activateMapping:_mappings[selected]];
 198         [self mappingsChanged];
 199     }
 200 }
 201
 202 - (void)mappingConflictDidResolve:(NSAlert *)alert
 203                        returnCode:(NSInteger)returnCode
 204                       contextInfo:(void *)contextInfo {
 205     NSDictionary *userInfo = CFBridgingRelease(contextInfo);
 206     NJMapping *oldMapping = userInfo[@"old mapping"];
 207     NJMapping *newMapping = userInfo[@"new mapping"];
 208     switch (returnCode) {
 209         case NSAlertFirstButtonReturn: // Merge
 210             [oldMapping mergeEntriesFrom:newMapping];
 211             [self activateMapping:oldMapping];
 212             [self mappingsChanged];
 213             break;
 214         case NSAlertThirdButtonReturn: // New Mapping
 215             [_mappings addObject:newMapping];
 216             [self activateMapping:newMapping];
 217             [self mappingsChanged];
 218             [self mappingPressed:alert];
 219             [tableView selectRowIndexes:[NSIndexSet indexSetWithIndex:_mappings.count - 1] byExtendingSelection:NO];
 220             [tableView editColumn:0 row:_mappings.count - 1 withEvent:nil select:YES];
 221             break;
 222         default: // Cancel, other.
 223             break;
 224     }
 225 }
 226
 227 - (void)addMappingWithContentsOfURL:(NSURL *)url {
 228     NSWindow *window = popoverActivate.window;
 229     NSError *error;
 230     NJMapping *mapping = [NJMapping mappingWithContentsOfURL:url
 231                                                     mappings:_mappings
 232                                                        error:&error];
 233
 234     if (mapping && !error) {
 235         NJMapping *mergeInto = self[mapping.name];
 236         if ([mergeInto hasConflictWith:mapping]) {
 237             NSAlert *conflictAlert = [[NSAlert alloc] init];
 238             conflictAlert.messageText = NSLocalizedString(@"import conflict prompt", @"Title of import conflict alert");
 239             conflictAlert.informativeText =
 240             [NSString stringWithFormat:NSLocalizedString(@"import conflict in %@", @"Explanation of import conflict"),
 241                                        mapping.name];
 242             [conflictAlert addButtonWithTitle:NSLocalizedString(@"import and merge", @"button to merge imported mappings")];
 243             [conflictAlert addButtonWithTitle:NSLocalizedString(@"cancel import", @"button to cancel import")];
 244             [conflictAlert addButtonWithTitle:NSLocalizedString(@"import new mapping", @"button to import as new mapping")];
 245             [conflictAlert beginSheetModalForWindow:popoverActivate.window
 246                                       modalDelegate:self
 247                                      didEndSelector:@selector(mappingConflictDidResolve:returnCode:contextInfo:)
 248                                         contextInfo:(void *)CFBridgingRetain(@{ @"old mapping": mergeInto,
 249                                                                                 @"new mapping": mapping })];
 250         } else if (mergeInto) {
 251             [mergeInto mergeEntriesFrom:mapping];
 252             [self activateMapping:mergeInto];
 253             [self mappingsChanged];
 254         } else {
 255             [_mappings addObject:mapping];
 256             [self activateMapping:mapping];
 257             [self mappingsChanged];
 258         }
 259     }
 260
 261     if (error) {
 262         [window presentError:error
 263               modalForWindow:window
 264                     delegate:nil
 265           didPresentSelector:nil
 266                  contextInfo:nil];
 267     }
 268 }
 269
 270 - (void)importPressed:(id)sender {
 271     NSOpenPanel *panel = [NSOpenPanel openPanel];
 272     panel.allowedFileTypes = @[ @"enjoyable", @"json", @"txt" ];
 273     NSWindow *window = NSApplication.sharedApplication.keyWindow;
 274     [panel beginSheetModalForWindow:window
 275                   completionHandler:^(NSInteger result) {
 276                       if (result != NSFileHandlingPanelOKButton)
 277                           return;
 278                       [panel close];
 279                       [self addMappingWithContentsOfURL:panel.URL];
 280                   }];
 281
 282 }
 283
 284 - (void)exportPressed:(id)sender {
 285     NSSavePanel *panel = [NSSavePanel savePanel];
 286     panel.allowedFileTypes = @[ @"enjoyable" ];
 287     NJMapping *mapping = _currentMapping;
 288     panel.nameFieldStringValue = [mapping.name stringByFixingPathComponent];
 289     NSWindow *window = NSApplication.sharedApplication.keyWindow;
 290     [panel beginSheetModalForWindow:window
 291                   completionHandler:^(NSInteger result) {
 292                       if (result != NSFileHandlingPanelOKButton)
 293                           return;
 294                       [panel close];
 295                       NSError *error;
 296                       [mapping writeToURL:panel.URL error:&error];
 297                       if (error) {
 298                           [window presentError:error
 299                                 modalForWindow:window
 300                                       delegate:nil
 301                             didPresentSelector:nil
 302                                    contextInfo:nil];
 303                       }
 304                   }];
 305 }
 306
 307 - (IBAction)mappingPressed:(id)sender {
 308     [popover showRelativeToRect:popoverActivate.bounds
 309                          ofView:popoverActivate
 310                   preferredEdge:NSMinXEdge];
 311 }
 312
 313 - (void)popoverWillShow:(NSNotification *)notification {
 314     popoverActivate.state = NSOnState;
 315 }
 316
 317 - (void)popoverWillClose:(NSNotification *)notification {
 318     popoverActivate.state = NSOffState;
 319 }
 320
 321 - (IBAction)moveUpPressed:(id)sender {
 322     if ([_mappings moveFirstwards:_currentMapping upTo:1])
 323         [self mappingsChanged];
 324 }
 325
 326 - (IBAction)moveDownPressed:(id)sender {
 327     if ([_mappings moveLastwards:_currentMapping])
 328         [self mappingsChanged];
 329 }
 330
 331 - (BOOL)tableView:(NSTableView *)tableView_
 332        acceptDrop:(id <NSDraggingInfo>)info
 333               row:(NSInteger)row
 334     dropOperation:(NSTableViewDropOperation)dropOperation {
 335     NSPasteboard *pboard = [info draggingPasteboard];
 336     if ([pboard.types containsObject:PB_ROW]) {
 337         NSString *value = [pboard stringForType:PB_ROW];
 338         NSUInteger srcRow = [value intValue];
 339         [_mappings moveObjectAtIndex:srcRow toIndex:row];
 340         [self mappingsChanged];
 341         return YES;
 342     } else if ([pboard.types containsObject:NSURLPboardType]) {
 343         NSURL *url = [NSURL URLFromPasteboard:pboard];
 344         NSError *error;
 345         NJMapping *mapping = [NJMapping mappingWithContentsOfURL:url
 346                                                         mappings:_mappings
 347                                                            error:&error];
 348         if (error) {
 349             [tableView_ presentError:error];
 350             return NO;
 351         } else {
 352             [_mappings insertObject:mapping atIndex:row];
 353             [self mappingsChanged];
 354             return YES;
 355         }
 356     } else {
 357         return NO;
 358     }
 359 }
 360
 361 - (NSDragOperation)tableView:(NSTableView *)tableView_
 362                 validateDrop:(id <NSDraggingInfo>)info
 363                  proposedRow:(NSInteger)row
 364        proposedDropOperation:(NSTableViewDropOperation)dropOperation {
 365     NSPasteboard *pboard = [info draggingPasteboard];
 366     if ([pboard.types containsObject:PB_ROW]) {
 367         [tableView_ setDropRow:MAX(1, row) dropOperation:NSTableViewDropAbove];
 368         return NSDragOperationMove;
 369     } else if ([pboard.types containsObject:NSURLPboardType]) {
 370         NSURL *url = [NSURL URLFromPasteboard:pboard];
 371         if ([url.pathExtension isEqualToString:@"enjoyable"]) {
 372             [tableView_ setDropRow:MAX(1, row) dropOperation:NSTableViewDropAbove];
 373             return NSDragOperationCopy;
 374         } else {
 375             return NSDragOperationNone;
 376         }
 377     } else {
 378         return NSDragOperationNone;
 379     }
 380 }
 381
 382 - (NSArray *)tableView:(NSTableView *)tableView_
 383 namesOfPromisedFilesDroppedAtDestination:(NSURL *)dropDestination
 384 forDraggedRowsWithIndexes:(NSIndexSet *)indexSet {
 385     NJMapping *toSave = self[indexSet.firstIndex];
 386     NSString *filename = [[toSave.name stringByFixingPathComponent]
 387                           stringByAppendingPathExtension:@"enjoyable"];
 388     NSURL *dst = [dropDestination URLByAppendingPathComponent:filename];
 389     dst = [NSFileManager.defaultManager generateUniqueURLWithBase:dst];
 390     NSError *error;
 391     if (![toSave writeToURL:dst error:&error]) {
 392         [tableView_ presentError:error];
 393         return @[];
 394     } else {
 395         return @[dst.lastPathComponent];
 396     }
 397 }
 398
 399 - (BOOL)tableView:(NSTableView *)tableView_
 400 writeRowsWithIndexes:(NSIndexSet *)rowIndexes
 401      toPasteboard:(NSPasteboard *)pboard {
 402     if (rowIndexes.count == 1 && rowIndexes.firstIndex != 0) {
 403         [pboard declareTypes:@[PB_ROW, NSFilesPromisePboardType] owner:nil];
 404         [pboard setString:@(rowIndexes.firstIndex).stringValue forType:PB_ROW];
 405         [pboard setPropertyList:@[@"enjoyable"] forType:NSFilesPromisePboardType];
 406         return YES;
 407     } else if (rowIndexes.count == 1 && rowIndexes.firstIndex == 0) {
 408         [pboard declareTypes:@[NSFilesPromisePboardType] owner:nil];
 409         [pboard setPropertyList:@[@"enjoyable"] forType:NSFilesPromisePboardType];
 410         return YES;
 411     } else {
 412         return NO;
 413     }
 414 }
 415
 416 @end