/*
  PreferencesController.m - preferences controller for Popup.app
  Copyright (C) 2003, 2004 Rob Burns

  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., 675 Mass Ave, Cambridge, MA 02111, USA.
*/

#include "PreferencesController.h"
#include "Constants.h"

static PreferencesController *singleInstance = nil;

@implementation PreferencesController

+ (void) initialize
{
  NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
  NSDictionary *appDefaults = [NSDictionary dictionaryWithObjectsAndKeys:
    FLASHCARD_QUIZ, @"DefaultQuiz",
    FLASHCARD_QUIZ, @"DefaultPractice",
    @"3", @"Repetitions", nil];
  [defaults registerDefaults: appDefaults];
}

+ (id) sharedPreferences
{
  if ( !singleInstance )
    {
      singleInstance = [[PreferencesController alloc] init];
    }
  return singleInstance;
}

- (void) dealloc
{
  [super dealloc];
}

- (id) init
{
  if( (self = [super initWithWindowNibName: @"Preferences" owner: self]) )
    {
      [[self window] setFrameAutosaveName: @"Preferences"];
      [[self window] setFrameUsingName: @"Preferences"];
      return self;
    }
  return nil;
}

- (void) awakeFromNib
{
  NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
  
  // Localize the interface  

  [[self window] setTitle: _(@"Preferences")];
  [[tabView tabViewItemAtIndex: 0] setLabel: _(@"General")];
  [[tabView tabViewItemAtIndex: 1] setLabel: _(@"Schedule")];
  
  [quizBox setTitle: _(@"Quiz")];
  [defQuizLabel setStringValue: _(@"Default Type:")];
  [pracBox setTitle: _(@"Practice")];  
  [defPracLabel setStringValue: _(@"Default Type:")];
  [repetitionsLabel setStringValue: _(@"Repetitions:")];
  
  [[[scheduleTable tableColumnWithIdentifier: @"Title"] 
    headerCell] setTitle: _(@"Title")];
  [[[scheduleTable tableColumnWithIdentifier: @"Min"] 
    headerCell] setTitle: _(@"Min")];
    
  // Populate the popup buttons with valid choices
  
  [defQuizButton removeAllItems];
  [defQuizButton addItemsWithTitles:
    [NSArray arrayWithObjects: _(@"Flashcard"), _(@"Multiple choice"), _(@"Spelling"), nil]];
  [[defQuizButton itemWithTitle: _(@"Flashcard")] setRepresentedObject: FLASHCARD_QUIZ];
  [[defQuizButton itemWithTitle: _(@"Multiple choice")] setRepresentedObject: MULTIPLE_CHOICE_QUIZ];
  [[defQuizButton itemWithTitle: _(@"Spelling")] setRepresentedObject: SPELLING_QUIZ];

  [defPracButton removeAllItems];
  [defPracButton addItemsWithTitles: 
    [NSArray arrayWithObjects: _(@"Flashcard"), _(@"Multiple choice"), _(@"Spelling"), nil]];
  [[defPracButton itemWithTitle: _(@"Flashcard")] setRepresentedObject: FLASHCARD_QUIZ];
  [[defPracButton itemWithTitle: _(@"Multiple choice")] setRepresentedObject: MULTIPLE_CHOICE_QUIZ];
  [[defPracButton itemWithTitle: _(@"Spelling")] setRepresentedObject: SPELLING_QUIZ];    
  
  // Populate the interface with current values

  [defQuizButton selectItemAtIndex: [defQuizButton indexOfItemWithRepresentedObject:
    [defaults objectForKey: @"DefaultQuiz"]]];
  [defPracButton selectItemAtIndex: [defQuizButton indexOfItemWithRepresentedObject:
    [defaults objectForKey: @"DefaultPractice"]]];
  [repetitionsField setStringValue: [defaults objectForKey: @"Repetitions"]];
}


// **************
// Action methods
// **************


- (void) defQuizChanged: (id)sender
{
  if( sender == defQuizButton )
    {
      [[NSUserDefaults standardUserDefaults] setObject: 
        [[sender selectedItem] representedObject] forKey: @"DefaultQuiz"];
      [[NSUserDefaults standardUserDefaults] synchronize];
    }
}

- (void) defPracChanged: (id)sender;
{
  if( sender == defPracButton )
    {
      [[NSUserDefaults standardUserDefaults] setObject: 
        [[sender selectedItem] representedObject] forKey: @"DefaultPractice"];
      [[NSUserDefaults standardUserDefaults] synchronize];
    }      
}


// **********************************
// NSTableDataSource protocol methods
// **********************************


- (int) numberOfRowsInTableView: (NSTableView *)aTableView
{
  return 0;  
}

- (id)            tableView: (NSTableView *)aTableView
  objectValueForTableColumn: (NSTableColumn *)aTableColumn 
                        row: (int)rowIndex
{
  return @"blah";
}

- (void) tableView: (NSTableView *)aTableView 
    setObjectValue: (id)anObject
    forTableColumn: (NSTableColumn *)aTableColumn 
               row: (int)rowIndex
{
  
}


// ****************************
// NSTextField delagate methods
// ****************************


- (void) controlTextDidEndEditing: (NSNotification *)aNotification
{
	if( [aNotification object] == repetitionsField )
	  {
        if( [[repetitionsField stringValue] intValue] == 0 ||
          [[repetitionsField stringValue] intValue] > 10 )
          {
            NSRunInformationalAlertPanel(_(@"Invalid Input"), 
            @"You must enter a number between 1 and 10. Try again.",
            _(@"OK"),nil,nil);
          }
        else
          {
            [[NSUserDefaults standardUserDefaults] setObject: 
              [repetitionsField stringValue] forKey: @"Repetitions"];
            [[NSUserDefaults standardUserDefaults] synchronize];
          }
	  }
}

@end