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/*
 *  R.app : a Cocoa front end to: "R A Computer Language for Statistical Data Analysis"
 *  
 *  R.app Copyright notes:
 *                     Copyright (C) 2004-5  The R Foundation
 *                     written by Stefano M. Iacus and Simon Urbanek
 *
 *                  
 *  R Copyright notes:
 *                     Copyright (C) 1995-1996   Robert Gentleman and Ross Ihaka
 *                     Copyright (C) 1998-2001   The R Development Core Team
 *                     Copyright (C) 2002-2004   The R Foundation
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  A copy of the GNU General Public License is available via WWW at
 *  http://www.gnu.org/copyleft/gpl.html.  You can also obtain it by
 *  writing to the Free Software Foundation, Inc., 59 Temple Place,
 *  Suite 330, Boston, MA  02111-1307  USA.
 *
 *  RScriptEditorTextView.h
 *
 *  Created by Hans-J. Bibiko on 15/02/2011.
 *
 */

#import "CCComp.h"
#import "RTextView.h"
#import "Preferences.h"
#import "PreferenceKeys.h"
#import "RegexKitLite.h"
#import "NoodleLineNumberView.h"
#import "REditorToolbar.h"
#import "RdEditorToolbar.h"
#import "RScriptEditorTextStorage.h"


#define R_TEXT_SIZE_TRIGGER_FOR_PARSING_PARTLY 10000

@interface RScriptEditorTextView : RTextView <PreferencesDependent, NSTextStorageDelegate>
{

    NSScrollView *scrollView;

    NSUserDefaults *prefs;

    NSColor *shColorNormal;
    NSColor *shColorString;
    NSColor *shColorNumber;
    NSColor *shColorKeyword;
    NSColor *shColorComment;
    NSColor *shColorIdentifier;

    // NSColor *rdColorNormal;
    // NSColor *rdColorSection;
    // NSColor *rdColorMacroArg;
    // NSColor *rdColorMacroGen;
    // NSColor *rdColorComment;
    // NSColor *rdColorDirective;

    NSColor *shColorCursor;
    NSColor *shColorBackground;
    NSColor *shColorCurrentLine;

    id editorToolbar;

    BOOL lineNumberingEnabled;
    BOOL syntaxHighlightingEnabled;
    BOOL argsHints;
    BOOL lineWrappingEnabled;
    BOOL deleteBackward;
    BOOL startListeningToBoundChanges;
    BOOL isSyntaxHighlighting;

    int currentHighlight;
    double braceHighlightInterval; // interval to flash brace highlighting for

    // <TODO> enable for folding
    // RScriptEditorTextStorage *theTextStorage;
    NSTextStorage *theTextStorage;

    NSDictionary *highlightColorAttr;

}

- (IBAction)foldSelectedLines:(id)sender;

- (void)setTabStops;

- (void)setDeleteBackward:(BOOL)delBack;
- (void)doSyntaxHighlighting;
- (void)highlightCharacter:(NSNumber*)loc;
- (void)resetHighlights;
- (void)resetBackgroundColor:(id)sender;
- (void)updateLineWrappingMode;
- (BOOL)lineNumberingEnabled;

- (BOOL)unfoldLinesContainingCharacterAtIndex:(NSUInteger)charIndex;

- (void)updatePreferences;

@end