Support for "Open file in..."

[zeedark]

It would be great if, in addition to Dropbox and iCloud, it integrates with "Open file in..." menu.

[Ecco]

Indeed. The patch isn't complicated, but tedious to write : you need to gather all UTIs that Vim supports, and there's quite a bunch of them :-) Maybe this is something that MacVim already does and that could be borrowed from there tough.

[N-Holzschuch]

Actually, you can do it using generic types: public.source-code, public.plain-text, public.html, public.script and public.text seem to cover practically all the interesting cases.

Now there's the question of writing OpenURL, though...

[N-Holzschuch]

I think that is the solution to the problem:

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Per Apple's documentation : Performs the specified selector on the application's main thread during that thread's next run loop cycle.

    NSURL* url = nil;
    if (launchOptions && launchOptions.count) {
        // Someone asked us to restart the application
        // Need to extract the URL to open
        url = [launchOptions valueForKey:UIApplicationLaunchOptionsURLKey];
    }

    gui_ios.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    gui_ios.view_controller = [[VimViewController alloc] init];
    gui_ios.window.rootViewController = gui_ios.view_controller;
    [gui_ios.view_controller release];
    [gui_ios.window makeKeyAndVisible];

    [self performSelectorOnMainThread:@selector(_VimMain:) withObject:url waitUntilDone:NO];
    return YES;
}

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
{
    if ([gui_ios.view_controller canBecomeFirstResponder]) {
        NSString* urlString = url.absoluteString;
        if (url.isFileURL) {
            // Find "Documents/" in the urlString.
            NSRange position = [urlString rangeOfString:@"Documents/"];
            if (position.location == NSNotFound) return NO;
            position.location += position.length;
            position.length = [urlString length] - position.location;
            NSString* fileName = [urlString substringWithRange:position];
            char command[255];
            sprintf(command, "tabedit %s", [fileName UTF8String]);
            do_cmdline_cmd((char_u *)command);
            command[0] = Ctrl_L;
            command[1] = 0x0;
            add_to_input_buf(command, 1);
            return YES;
        }
    }
    return NO;
}

- (void)_VimMain:(NSURL *)url {
    NSString * vimPath = [[NSBundle mainBundle] resourcePath];
    vim_setenv((char_u *)"VIM", (char_u *)[vimPath UTF8String]);
    vim_setenv((char_u *)"VIMRUNTIME", (char_u *)[[vimPath stringByAppendingPathComponent:@"runtime"] UTF8String]);

    NSArray * paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    if (paths.count > 0) {
        vim_setenv((char_u *)"HOME", (char_u *)[[paths objectAtIndex:0] UTF8String]);
        [[NSFileManager defaultManager] changeCurrentDirectoryPath:[paths objectAtIndex:0]];
    }

    char * argv[2] = { "vim", nil};
    int numArgs = 1;
    if (url && (url != nil) && (url.isFileURL)) {
        // Need to find the file name
        // Find "Documents/" in the urlString.
        NSString* urlString = url.absoluteString;
        NSRange position = [urlString rangeOfString:@"Documents/"];
        if (position.location != NSNotFound) {
            position.location += position.length;
            position.length = [urlString length] - position.location;
            char* fileName = [[urlString substringWithRange:position] UTF8String];
            argv[1] = fileName;
            numArgs += 1;
        }
    }

    VimMain(numArgs, argv);
}

I had to rewrite OpenURL, didFinishLaunchingWithOptions and _VimMain (so that it can take a parameter). Of course, you'll also need to edit the plist to add public.text and the other file types you want.

I have tested it, and it allows me to "open with Vim" all text files. Really useful.

[au-phiware]

@N-Holzschuch make a pull request! :+1: :+1:

[nicolasbraun]

Related to #6