ConfigsController.m

   1 //
   2 //  ConfigsController.m
   3 //  Enjoy
   4 //
   5 //  Created by Sam McCall on 4/05/09.
   6 //
   7
   8 #import "ConfigsController.h"
   9
  10 #import "ApplicationController.h"
  11 #import "Config.h"
  12 #import "ConfigsController.h"
  13 #import "Target.h"
  14 #import "TargetController.h"
  15
  16 @implementation ConfigsController {
  17     NSMutableArray *_configs;
  18     Config *manualConfig;
  19 }
  20
  21 - (id)init {
  22     if ((self = [super init])) {
  23         _configs = [[NSMutableArray alloc] init];
  24         _currentConfig = [[Config alloc] initWithName:@"(default)"];
  25         manualConfig = _currentConfig;
  26         [_configs addObject:_currentConfig];
  27     }
  28     return self;
  29 }
  30
  31 - (Config *)objectForKeyedSubscript:(NSString *)name {
  32     for (Config *config in _configs)
  33         if ([name isEqualToString:config.name])
  34             return config;
  35     return nil;
  36 }
  37
  38 - (void)activateConfigForProcess:(NSString *)processName {
  39     Config *oldConfig = manualConfig;
  40     [self activateConfig:self[processName]];
  41     manualConfig = oldConfig;
  42 }
  43
  44 - (void)activateConfig:(Config *)config {
  45     if (!config)
  46         config = manualConfig;
  47     if (_currentConfig == config)
  48         return;
  49     manualConfig = config;
  50     _currentConfig = config;
  51     [removeButton setEnabled:_configs[0] != config];
  52     [targetController loadCurrent];
  53     [(ApplicationController *)NSApplication.sharedApplication.delegate configChanged];
  54     [tableView selectRowIndexes:[NSIndexSet indexSetWithIndex:[_configs indexOfObject:config]] byExtendingSelection:NO];
  55 }
  56
  57 - (IBAction)addPressed:(id)sender {
  58     Config *newConfig = [[Config alloc] initWithName:@"Untitled"];
  59     [_configs addObject:newConfig];
  60     [(ApplicationController *)NSApplication.sharedApplication.delegate configsChanged];
  61     [tableView reloadData];
  62     [tableView selectRowIndexes:[NSIndexSet indexSetWithIndex:_configs.count - 1] byExtendingSelection:NO];
  63     [tableView editColumn:0 row:_configs.count - 1 withEvent:nil select:YES];
  64 }
  65
  66 - (IBAction)removePressed:(id)sender {
  67     if (tableView.selectedRow == 0)
  68         return;
  69
  70     [_configs removeObjectAtIndex:tableView.selectedRow];
  71     [tableView reloadData];
  72     [(ApplicationController *)NSApplication.sharedApplication.delegate configsChanged];
  73     [self activateConfig:_configs[0]];
  74     [self save];
  75 }
  76
  77 -(void)tableViewSelectionDidChange:(NSNotification *)notify {
  78     if (tableView.selectedRow >= 0)
  79         [self activateConfig:_configs[tableView.selectedRow]];
  80 }
  81
  82 - (id)tableView:(NSTableView *)view objectValueForTableColumn:(NSTableColumn *)column row:(NSInteger)index {
  83     return [_configs[index] name];
  84 }
  85
  86 - (void)tableView:(NSTableView *)view setObjectValue:(NSString *)obj forTableColumn:(NSTableColumn *)col row:(NSInteger)index {
  87     [(Config *)_configs[index] setName:obj];
  88     [tableView reloadData];
  89     [(ApplicationController *)NSApplication.sharedApplication.delegate configsChanged];
  90 }
  91
  92 - (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView {
  93     return _configs.count;
  94 }
  95
  96 - (BOOL)tableView:(NSTableView *)view shouldEditTableColumn:(NSTableColumn *)column row:(NSInteger)index {
  97     return index > 0;
  98 }
  99
 100 - (void)save {
 101     NSLog(@"Saving defaults.");
 102     [NSUserDefaults.standardUserDefaults setObject:[self dumpAll] forKey:@"configurations"];
 103 }
 104
 105 - (void)load {
 106     [self loadAllFrom:[NSUserDefaults.standardUserDefaults objectForKey:@"configurations"]];
 107 }
 108
 109 - (NSDictionary *)dumpAll {
 110     NSMutableArray *ary = [[NSMutableArray alloc] initWithCapacity:_configs.count];
 111     for (Config *config in _configs)
 112         [ary addObject:[config serialize]];
 113     NSUInteger current = _currentConfig ? [_configs indexOfObject:_currentConfig] : 0;
 114     return @{ @"configurations": ary, @"selected": @(current) };
 115 }
 116
 117 - (void)loadAllFrom:(NSDictionary*) envelope{
 118     NSArray *storedConfigs = envelope[@"configurations"];
 119     NSMutableArray* newConfigs = [[NSMutableArray alloc] initWithCapacity:storedConfigs.count];
 120
 121     // have to do two passes in case config1 refers to config2 via a TargetConfig
 122     for (NSDictionary *storedConfig in storedConfigs) {
 123         Config *cfg = [[Config alloc] initWithName:storedConfig[@"name"]];
 124         [newConfigs addObject:cfg];
 125     }
 126
 127     for (unsigned i = 0; i < storedConfigs.count; ++i) {
 128         NSDictionary *entries = storedConfigs[i][@"entries"];
 129         Config *config = newConfigs[i];
 130         for (id key in entries) {
 131             Target *target = [Target targetDeserialize:entries[key]
 132                                             withConfigs:newConfigs];
 133             if (target)
 134                 config.entries[key] = target;
 135         }
 136     }
 137
 138     if (newConfigs.count) {
 139         unsigned current = [envelope[@"selected"] unsignedIntValue];
 140         if (current >= newConfigs.count)
 141             current = 0;
 142         _configs = newConfigs;
 143         [tableView reloadData];
 144         [(ApplicationController *)NSApplication.sharedApplication.delegate configsChanged];
 145         [self activateConfig:_configs[current]];
 146     }
 147 }
 148
 149 - (Config *)configWithURL:(NSURL *)url error:(NSError **)error {
 150     NSInputStream *stream = [NSInputStream inputStreamWithURL:url];
 151     [stream open];
 152     NSDictionary *serialization = !*error
 153         ? [NSJSONSerialization JSONObjectWithStream:stream options:0 error:error]
 154         : nil;
 155     [stream close];
 156
 157     if (!([serialization isKindOfClass:NSDictionary.class]
 158           && serialization[@"entries"])) {
 159         *error = [NSError errorWithDomain:@"Enjoyable"
 160                                     code:0
 161                              description:@"This isn't a valid mapping file."];
 162         return nil;
 163     }
 164
 165     NSDictionary *entries = serialization[@"entries"];
 166     Config *cfg = [[Config alloc] initWithName:serialization[@"name"]];
 167     for (id key in entries)
 168         cfg.entries[key] = [Target targetDeserialize:entries[key]
 169                                          withConfigs:_configs];
 170     return cfg;
 171 }
 172
 173 - (void)importPressed:(id)sender {
 174     NSOpenPanel *panel = [NSOpenPanel openPanel];
 175     panel.allowedFileTypes = @[ @"enjoyable", @"json", @"txt" ];
 176     NSWindow *window = NSApplication.sharedApplication.keyWindow;
 177     [panel beginSheetModalForWindow:window
 178                   completionHandler:^(NSInteger result) {
 179                       if (result != NSFileHandlingPanelOKButton)
 180                           return;
 181
 182                       [panel close];
 183                       NSError *error;
 184                       Config *cfg = [self configWithURL:panel.URL error:&error];
 185
 186                       if (!error) {
 187                           BOOL conflict;
 188                           Config *mergeInto = self[cfg.name];
 189                           for (id key in cfg.entries) {
 190                               if (mergeInto.entries[key]) {
 191                                   conflict = YES;
 192                                   break;
 193                               }
 194                           }
 195
 196                           if (conflict) {
 197                               NSAlert *conflictAlert = [[NSAlert alloc] init];
 198                               conflictAlert.messageText = @"Replace existing mappings?";
 199                               conflictAlert.informativeText =
 200                                   [NSString stringWithFormat:
 201                                    @"This file contains inputs you've already mapped in \"%@\". Do you "
 202                                    @"want to merge them and replace your existing mappings, or import this "
 203                                    @"as a separate mapping?", cfg.name];
 204                               [conflictAlert addButtonWithTitle:@"Merge"];
 205                               [conflictAlert addButtonWithTitle:@"Cancel"];
 206                               [conflictAlert addButtonWithTitle:@"New Mapping"];
 207                               NSInteger res = [conflictAlert runModal];
 208                               if (res == NSAlertSecondButtonReturn)
 209                                   return;
 210                               else if (res == NSAlertThirdButtonReturn)
 211                                   mergeInto = nil;
 212                           }
 213
 214                           if (mergeInto) {
 215                               [mergeInto.entries addEntriesFromDictionary:cfg.entries];
 216                               cfg = mergeInto;
 217                           } else {
 218                               [_configs addObject:cfg];
 219                               [tableView reloadData];
 220                           }
 221
 222                           [self save];
 223                           [(ApplicationController *)NSApplication.sharedApplication.delegate configsChanged];
 224                           [self activateConfig:cfg];
 225                           [targetController loadCurrent];
 226
 227                           if (conflict && !mergeInto) {
 228                               [tableView selectRowIndexes:[NSIndexSet indexSetWithIndex:_configs.count - 1] byExtendingSelection:NO];
 229                               [tableView editColumn:0 row:_configs.count - 1 withEvent:nil select:YES];
 230                           }
 231                       }
 232
 233                       if (error) {
 234                           [[NSAlert alertWithError:error] beginSheetModalForWindow:window
 235                                                                      modalDelegate:nil
 236                                                                     didEndSelector:nil
 237                                                                        contextInfo:nil];
 238                       }
 239                   }];
 240
 241 }
 242
 243 - (void)exportPressed:(id)sender {
 244     NSSavePanel *panel = [NSSavePanel savePanel];
 245     panel.allowedFileTypes = @[ @"enjoyable" ];
 246     Config *cfg = _currentConfig;
 247     panel.nameFieldStringValue = cfg.name;
 248     NSWindow *window = NSApplication.sharedApplication.keyWindow;
 249     [panel beginSheetModalForWindow:window
 250                   completionHandler:^(NSInteger result) {
 251                       if (result == NSFileHandlingPanelOKButton) {
 252                           NSError *error;
 253                           NSDictionary *serialization = [cfg serialize];
 254                           NSData *json = [NSJSONSerialization dataWithJSONObject:serialization
 255                                                                          options:NSJSONWritingPrettyPrinted
 256                                                                            error:&error];
 257                           if (!error)
 258                               [json writeToURL:panel.URL options:NSDataWritingAtomic error:&error];
 259
 260                           if (error) {
 261                               // FIXME: Ideally, this sheet is attached to the
 262                               // panel, and the panel doesn't close, so you
 263                               // can maybe fix what is wrong and try saving
 264                               // again. But it seems to be impossible to force
 265                               // the panel to stay open.
 266                               [panel close];
 267                               [[NSAlert alertWithError:error] beginSheetModalForWindow:window
 268                                                                          modalDelegate:nil
 269                                                                         didEndSelector:nil
 270                                                                            contextInfo:nil];
 271                           }
 272                       }
 273                   }];
 274 }
 275
 276 @end