#import <Cocoa/Cocoa.h>

/* Keys in the dictionary... */   

#define RichTextFont @"RichTextFont"

#define PlainTextFont @"PlainTextFont"

#define DeleteBackup @"DeleteBackup"

#define SaveFilesWritable @"SaveFilesWritable"

#define OverwriteReadOnlyFiles @"OverwriteReadOnlyFiles"

#define RichText @"RichText"

#define ShowPageBreaks @"ShowPageBreaks"

#define AddExtensionToNewPlainTextFiles @"AddExtensionToNewPlainTextFiles"

#define WindowWidth @"WidthInChars"

#define WindowHeight @"HeightInChars"

#define PlainTextEncodingForRead @"PlainTextEncoding"

#define PlainTextEncodingForWrite @"PlainTextEncodingForWrite"

#define IgnoreRichText @"IgnoreRichText"

#define IgnoreHTML @"IgnoreHTML"

#define TabWidth @"TabWidth"

#define ForegroundLayoutToIndex @"ForegroundLayoutToIndex"

#define OpenPanelFollowsMainWindow @"OpenPanelFollowsMainWindow"

#define CheckSpellingAsYouType @"CheckSpellingWhileTyping"

#define ShowRuler @"ShowRuler"

#define NumberPagesWhenPrinting @"NumberPagesWhenPrinting"

#define UseXHTMLDocType @"UseXHTMLDocType"

#define UseTransitionalDocType @"UseTransitionalDocType"

#define UseEmbeddedCSS @"UseEmbeddedCSS"

#define UseInlineCSS @"UseInlineCSS"

#define HTMLEncoding @"HTMLEncoding"

#define PreserveWhitespace @"PreserveWhitespace"

// Use different convention for the key values here, to be consistent with the keys in Document

#define AuthorProperty @"author"

#define CompanyProperty @"company"

#define CopyrightProperty @"copyright"

@interface Preferences : NSObject {

    IBOutlet id richTextFontNameField;

    IBOutlet id plainTextFontNameField;

    IBOutlet id deleteBackupButton;

    IBOutlet id saveFilesWritableButton;

    IBOutlet id overwriteReadOnlyFilesButton;

    IBOutlet id addExtensionToNewPlainTextFilesButton;

    IBOutlet id richTextMatrix;

    IBOutlet id showPageBreaksButton;

    IBOutlet id windowWidthField;

    IBOutlet id windowHeightField;

    IBOutlet id plainTextEncodingForReadPopup;

    IBOutlet id plainTextEncodingForWritePopup;

    IBOutlet id tabWidthField;

    IBOutlet id ignoreRichTextButton;

    IBOutlet id ignoreHTMLButton;

    IBOutlet id checkSpellingAsYouTypeButton;

    IBOutlet id showRulerButton;

    IBOutlet id numberPagesWhenPrintingButton;

    IBOutlet id authorPropertyField;

    IBOutlet id companyPropertyField;

    IBOutlet id copyrightPropertyField;

    IBOutlet id HTMLDocumentTypePopUp;

    IBOutlet id HTMLStylingPopUp;

    IBOutlet id HTMLEncodingPopUp;

    IBOutlet id preserveWhiteSpaceButton;

    IBOutlet id panel;

    NSDictionary *curValues;    // Current, confirmed values for the preferences

    NSDictionary *origValues;   // Values read from preferences at startup

    NSMutableDictionary *displayedValues;   // Values displayed in the UI

}

+ (id)objectForKey:(id)key; /* Convenience for getting global preferences */

+ (void)saveDefaults;       /* Convenience for saving global preferences */

- (void)saveDefaults;       /* Save the current preferences */

+ (Preferences *)sharedInstance;

- (NSDictionary *)preferences;  /* The current preferences; contains values for the documented keys */

- (void)showPanel:(id)sender;   /* Shows the panel */

- (void)updateUI;       /* Updates the displayed values in the UI */

- (void)commitDisplayedValues;  /* The displayed values are made current */

- (void)discardDisplayedValues; /* The displayed values are replaced with current prefs and updateUI is called */

- (void)revert:(id)sender;  /* Reverts the displayed values to the current preferences */

- (void)ok:(id)sender;      /* Calls commitUI to commit the displayed values as current */

- (void)revertToDefault:(id)sender;    

- (void)miscChanged:(id)sender;     /* Action message for most of the misc items in the UI to get displayedValues */

- (void)changeRichTextFont:(id)sender;  /* Request to change the rich text font */

- (void)changePlainTextFont:(id)sender; /* Request to change the plain text font */

- (void)changeFont:(id)fontManager; /* Sent by the font manager */

+ (NSDictionary *)preferencesFromDefaults;

+ (void)savePreferencesToDefaults:(NSDictionary *)dict;

@end