AppController.m

//
//  AppController.m
//  Textus
//
//  Created by Jjgod Jiang on 3/16/09.
//

#import "AppController.h"

#import "TTTextView.h"
#import "TTDocument.h"

int hexNum(char ch) {
  if (ch >= '0' && ch <= '9')
    return ch - '0';

  if (ch >= 'A' && ch <= 'F')
    return ch - 'A' + 10;

  if (ch >= 'a' && ch <= 'f')
    return ch - 'a' + 10;

  return 0;
}

NSColor* decodeColor(NSString* colorString) {
  const char* cstr = [colorString UTF8String];
  if (strlen(cstr) != 7)
    return [NSColor whiteColor];

  CGFloat red = (hexNum(cstr[1]) * 16 + hexNum(cstr[2])) / 255.0;
  CGFloat green = (hexNum(cstr[3]) * 16 + hexNum(cstr[4])) / 255.0;
  CGFloat blue = (hexNum(cstr[5]) * 16 + hexNum(cstr[6])) / 255.0;

  return [NSColor colorWithCalibratedRed:red green:green blue:blue alpha:1.0];
}

NSString* encodeColor(NSColor* color) {
  return [NSString stringWithFormat:@"#%02X%02X%02X",
				    (int)([color redComponent] * 255.0),
				    (int)([color greenComponent] * 255.0),
				    (int)([color blueComponent] * 255.0)];
}

@implementation AppController {
  NSMutableDictionary* _bookmarksDictionary;
}

+ (void)initialize {
  NSMutableDictionary* appDefaults = [NSMutableDictionary dictionary];
  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];

  [appDefaults setValue:@"#000000" forKey:@"foregroundColor"];
  [appDefaults setValue:@"#FFFFFF" forKey:@"backgroundColor"];
  [appDefaults setValue:@"STKaiti-SC-Regular" forKey:@"fontName"];
  [appDefaults setValue:@24.0 forKey:@"fontSize"];
  [appDefaults setValue:@1.1 forKey:@"lineHeight"];
  [appDefaults setValue:[NSMutableDictionary dictionaryWithCapacity:20]
                 forKey:@"bookmarks"];

  [defaults registerDefaults:appDefaults];
  [[NSUserDefaultsController sharedUserDefaultsController]
      setInitialValues:appDefaults];
  [[NSColorPanel sharedColorPanel] setShowsAlpha:YES];
}

- (void)awakeFromNib {
  [[NSFontManager sharedFontManager] setSelectedFont:[self font] isMultiple:NO];
  // load bookmarks into dictionary and insert them into menu
  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
  _bookmarksDictionary = [[defaults dictionaryForKey:@"bookmarks"] mutableCopy];
  if (!_bookmarksDictionary)
    _bookmarksDictionary = [[NSMutableDictionary alloc] init];
}

- (NSFont*)font {
  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
  return [NSFont fontWithName:[defaults stringForKey:@"fontName"]
                         size:[defaults doubleForKey:@"fontSize"]];
}

- (NSColor*)foregroundColor {
  NSString* colorString =
      [[NSUserDefaults standardUserDefaults] stringForKey:@"foregroundColor"];
  return decodeColor(colorString);
}

- (void)setForegroundColor:(NSColor*)color {
  [[NSUserDefaults standardUserDefaults] setValue:encodeColor(color)
                                           forKey:@"foregroundColor"];
}

- (NSColor*)backgroundColor {
  NSString* colorString =
      [[NSUserDefaults standardUserDefaults] stringForKey:@"backgroundColor"];
  return decodeColor(colorString);
}

- (void)setBackgroundColor:(NSColor*)color {
  [[NSUserDefaults standardUserDefaults] setValue:encodeColor(color)
                                           forKey:@"backgroundColor"];
}

- (BOOL)applicationShouldOpenUntitledFile:(NSApplication*)sender {
  return NO;
}

- (BOOL)acceptsFirstResponder {
  return YES;
}

- (void)changeFont:(id)sender {
  NSFont* oldFont = [self font];
  NSFont* newFont = [sender convertFont:oldFont];
  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];

  if ([oldFont fontName] != [newFont fontName])
    [defaults setValue:[newFont fontName] forKey:@"fontName"];

  if ([oldFont pointSize] != [newFont pointSize])
    [defaults setValue:@([newFont pointSize]) forKey:@"fontSize"];
}

- (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)anItem {
  SEL theAction = [anItem action];

  if (theAction == @selector(addBookmark:)) {
    if ([NSApp keyWindow])
      return YES;
    return NO;
  }
  return YES;
}

- (IBAction)gotoBookmark:(id)sender {
}

- (IBAction)addBookmark:(id)sender {
  if ([NSApp keyWindow]) {
    TTTextView* textView =
      [[[NSApp keyWindow].contentView subviews][0] documentView];
    NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];

    NSMutableArray* indexes =
      _bookmarksDictionary[textView.document.fileURL.path];
    if (!indexes) {
      indexes = [[NSMutableArray alloc] init];
      _bookmarksDictionary[textView.document.fileURL.path] = indexes;
      [indexes addObject:@(textView.document.fileContents.length)];
    }

    NSNumber* location = @(textView.document.lastReadLocation);
    if (![indexes containsObject:location]) {
      [indexes addObject:location];
      [defaults setObject:_bookmarksDictionary forKey:@"bookmarks"];
    }
  }
}

@end