/* 
 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
 *
 * 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; version 2 of the
 * License.
 * 
 * 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 St, Fifth Floor, Boston, MA
 * 02110-1301  USA
 */

#include "base/geometry.h"
#include "base/string_utilities.h"

#import "WbPhysicalLayerEditor.h"
#import "MCPPUtilities.h"

@implementation PhysicalLayerEditor

static void call_refresh(PhysicalLayerEditor *self)
{
  [self refresh];
}

- (instancetype)initWithModule: (grt::Module*)module
                    grtManager: (bec::GRTManager *)grtm
                     arguments: (const grt::BaseListRef &)args
{
  if (grtm == nil)
    return nil;
  
  self = [super initWithNibName: @"WbPhysicalLayerEditor" bundle: [NSBundle bundleForClass:[self class]]];
  if (self != nil)
  {
    _grtm = grtm;
    // load GUI. Top level view in the nib is the NSTabView that will be docked to the main window
    [self loadView];

    // take the minimum size of the view from the initial size in the nib.
    // Therefore the nib should be designed as small as possible
    // note: the honouring of the min size is not yet implemented
    [self setMinimumSize: [tabView frame].size];
    
    [self reinitWithArguments: args];
    
    mColorCommitTimer= [NSTimer scheduledTimerWithTimeInterval:2.0
                                                        target:self 
                                                      selector:@selector(saveColorChanges:)
                                                      userInfo:nil
                                                       repeats:YES];
  }
  return self;
}

- (instancetype)initWithNibName: (NSString *)nibNameOrNil bundle: (NSBundle *)nibBundleOrNil
{
  return [self initWithModule: nil grtManager: nil arguments: grt::BaseListRef()];
}

-(instancetype)initWithCoder: (NSCoder *)coder
{
  return [self initWithModule: nil grtManager: nil arguments: grt::BaseListRef()];
}

- (void)reinitWithArguments:(const grt::BaseListRef&)args
{
  [super reinitWithArguments: args];
  delete mBackEnd;
  
  // setup the editor backend with the layer object (args[0])
  mBackEnd= new LayerEditorBE(_grtm, workbench_physical_LayerRef::cast_from(args[0]));
  
  // register a callback that will make [self refresh] get called
  // whenever the backend thinks its needed to refresh the UI from the backend data (ie, the
  // edited object was changed from somewhere else in the application)
  mBackEnd->set_refresh_ui_slot(boost::bind(call_refresh, self));
  // update the UI
  [self refresh];
}

- (void) dealloc
{
  [mColorCommitTimer invalidate];
  
  delete mBackEnd;
}


/** Fetches object info from the backend and update the UI
 */
- (void)refresh
{
  if (mBackEnd)
  {
    [nameText setStringValue: [NSString stringWithCPPString:mBackEnd->get_name()]];
    
    [colorText setStringValue: [NSString stringWithCPPString:mBackEnd->get_color()]];
    NSColor *color= [NSColor colorFromHexString: [NSString stringWithCPPString:mBackEnd->get_color()]];
    if (color)
      [colorWell setColor: color];
  }
}


- (id)identifier
{
  // an identifier for this editor (just take the object id)
  return [NSString stringWithCPPString:mBackEnd->get_object().id()];
}


- (BOOL)matchesIdentifierForClosingEditor:(NSString*)identifier
{
  return mBackEnd->should_close_on_delete_of([identifier UTF8String]);
}


- (void)controlTextDidEndEditing:(NSNotification *)aNotification
{
  if ([aNotification object] == nameText)
  {
    // set name of the layer
    mBackEnd->set_name([[nameText stringValue] UTF8String]);
  }
}


- (void)saveColorChanges:(NSTimer*)timer
{
  if (mBackEnd->get_color() != [[colorText stringValue] UTF8String])
  {
    mBackEnd->set_color([[colorText stringValue] UTF8String]);
  }
}


- (IBAction)changeColor:(id)sender
{
  if (sender == colorText)
  {
    NSColor *color= [NSColor colorFromHexString: [colorText stringValue]];
    if (color)
    {
      [mColorCommitTimer setFireDate: [NSDate dateWithTimeIntervalSinceNow: 2.0]];
      [colorWell setColor: color];
    }
  }
  else if (sender == colorWell)
  {
    [mColorCommitTimer setFireDate: [NSDate dateWithTimeIntervalSinceNow: 2.0]];
    [colorText setStringValue: [[colorWell color] hexString]];
  }
}

- (bec::BaseEditor*)editorBE
{
  return mBackEnd;
}

@end
