/* OpenWithController.m
 *  
 * Copyright (C) 2003 Free Software Foundation, Inc.
 *
 * Author: Enrico Sersale <enrico@imago.ro>
 * Date: August 2001
 *
 * This file is part of the GNUstep GWorkspace application
 *
 * 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.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111 USA.
 */

#include <Foundation/Foundation.h>
#include <AppKit/AppKit.h>
#include "OpenWithController.h"
#include "CompletionField.h"
#include "GWorkspace.h"
#include "FSNode.h"
#include "GNUstep.h"

static NSString *nibName = @"OpenWith";

@implementation OpenWithController

- (void)dealloc
{
  RELEASE (win);
  RELEASE (pathsArr);
  [super dealloc];
}

- (id)init
{
  self = [super init];
  
  if (self) {
		if ([NSBundle loadNibNamed: nibName owner: self] == NO) {
      NSLog(@"failed to load %@!", nibName);
      return self;
    } else {    
      NSDictionary *environment = [[NSProcessInfo processInfo] environment];
      NSString *paths = [environment objectForKey: @"PATH"];  
      
      ASSIGN (pathsArr, [paths componentsSeparatedByString: @":"]);

		  cfield = [[CompletionField alloc] initForController: self];
      [cfield setFrame: [[fieldBox contentView] bounds]];
      [cfield setNextKeyView: okButt]; 
      [fieldBox setContentView: cfield];   
      RELEASE (cfield);
    
      [win setInitialFirstResponder: cfield];

      fm = [NSFileManager defaultManager];
      gw = [GWorkspace gworkspace];
    }
  }
  
  return self;  
}

- (NSString *)checkCommand:(NSString *)comm
{
  if ([comm isAbsolutePath]) {
    FSNode *node = [FSNode nodeWithPath: comm];
  
    if (node && [node isPlain] && [node isExecutable]) {
      return comm;
    }
  } else {
    int i;
  
    for (i = 0; i < [pathsArr count]; i++) {
      NSString *basePath = [pathsArr objectAtIndex: i];
      NSArray *contents = [fm directoryContentsAtPath: basePath];

      if (contents && [contents containsObject: comm]) {
        NSString *fullPath = [basePath stringByAppendingPathComponent: comm];

        if ([fm isExecutableFileAtPath: fullPath]) {
          return fullPath;
        }
      }
    }
  }
     
  return nil;
}

- (void)activate
{
  NSArray *selpaths = RETAIN ([gw selectedPaths]);

  [NSApp runModalForWindow: win];
  
  if (result == NSAlertDefaultReturn) {
    NSString *str = [cfield string];
    int i;
    
    if ([str length]) {
      NSArray *components = [str componentsSeparatedByString: @" "];
      NSMutableArray *args = [NSMutableArray array];
      NSString *command = [components objectAtIndex: 0];
          
      for (i = 1; i < [components count]; i++) {
        [args addObject: [components objectAtIndex: i]];
      }
      
      command = [self checkCommand: command];
      
      if (command) {
        NSWorkspace *ws = [NSWorkspace sharedWorkspace];
        
        for (i = 0; i < [selpaths count]; i++) {
          NSString *spath = [selpaths objectAtIndex: i];
          NSString *defApp = nil, *fileType = nil;
          
          [ws getInfoForFile: spath application: &defApp type: &fileType];
          
          if ((fileType == nil) 
              || (([fileType isEqual: NSPlainFileType] == NO)
                    && ([fileType isEqual: NSShellCommandFileType] == NO))) {
            NSRunAlertPanel(NULL, NSLocalizedString(@"Can't edit a directory!", @""),
                                    NSLocalizedString(@"OK", @""), NULL, NULL);
            RELEASE (selpaths);
            return;   
          }
       
          [args addObject: spath];
        }
        
        [NSTask launchedTaskWithLaunchPath: command arguments: args];
      } else {
        NSRunAlertPanel(NULL, NSLocalizedString(@"No executable found!", @""),
                                    NSLocalizedString(@"OK", @""), NULL, NULL);   
      }
    }
  }
  
  RELEASE (selpaths);
}

- (NSWindow *)win
{
  return win;
}

- (IBAction)cancelButtAction:(id)sender
{
  result = NSAlertAlternateReturn;
  [NSApp stopModal];
  [win close];
}

- (IBAction)okButtAction:(id)sender
{
  result = NSAlertDefaultReturn;
  [NSApp stopModal];
  [win close];
}

- (void)completionFieldDidEndLine:(id)afield
{
  [win makeFirstResponder: okButt];
}

@end