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What is it?

Fragaria is an OS X Cocoa syntax colouring NSTextView implemented within a framework named MGSFragaria. It supports a wide range of programming languages and includes preference panel support.

The MGSFragaria framework now properly supports both traditional reference counting memory management and garbage collection.

Where can I see it in use

You can see Fragaria used in the following products:

  • KosmicTask : a multi (20+) language scripting environment for OS X that features script editing, network sharing, remote execution, and file processing.

If you use MGSFragaria in your app and want it added to the list raise it as an issue.

Features

Most features are accessed via the framework preferences.

  • Configurable syntax colouring
  • Configurable font type, size and colour.
  • Invisible character display
  • Line numbering
  • Brace matching and auto insertion
  • Page guide
  • Simple word auto complete
  • Tab and indent control
  • Line wrapping

How do I use it?

The best way to learn how to use the framework is to look at the sample apps.

  • Fragaria : a simple editor window that features language selection, a wired up text menu and a preferences panel.

  • Fragaria GC : a GC version of the above.

  • Fragaria Doc : a simple NSDocument based editor.

Show me code

A Fragaria view is embedded in a content view.

#import "MGSFragaria/MGSFragaria.h"

// we need a container view to host Fragaria in
NSView *containerView = nil; // loaded from nib or otherwise created

// create our instance
MGSFragaria *fragaria = [[MGSFragaria alloc] init];

// we want to be the delegate
[fragaria setObject:self forKey:MGSFODelegate];

// Objective-C is the place e to be
[self setSyntaxDefinition:@"Objective-C"];

// embed in our container - exception thrown if containerView is nil
[fragaria embedInView:containerView];

// set initial text
[fragaria setString:@"// We don't need the future."];

The initial appearance of a Fragaria view is determined by the framework preferences controller. The MGSFragaria framework supplies two preference view controllers whose views can be embedded in your preference panel.

MGSFragariaTextEditingPrefsViewController * textEditingPrefsViewController = [MGSFragariaPreferences sharedInstance].textEditingPrefsViewController;

MGSFragariaFontsAndColoursPrefsViewController *fontsAndColoursPrefsViewController = [MGSFragariaPreferences sharedInstance].fontsAndColoursPrefsViewController;

Setting preferences

Preference strings are defined in MGSFragaria/MGSFragariaPreferences.h. Each preference name is prefixed with Fragaria for easy identification within the application preferences file.

// default to line wrap off
[[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithBool:NO] forKey:MGSFragariaPrefsLineWrapNewDocuments];

All preferences are observed and instances of Fragaria views update immediately to reflect the new preference.

Where did it come from?

Fragaria started out as the vital pulp of Smultron, now called Fraise. If you want to add additional features to Fragaria then looking at the Fraise and other forked sources is a good place to start. Fraise is a GC only app so you will need to consider memory management issues when importing code into Fragaria.

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