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// ///////////////////////////////////////////////////////////////////////////////

// Copyright (C) 2010, Frank Blumenberg

//

// See License.txt for complete licensing and attribution information.

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to deal

// in the Software without restriction, including without limitation the rights

// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

//

// The above copyright notice and this permission notice shall be included in all

// copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

// THE SOFTWARE.

//

// ///////////////////////////////////////////////////////////////////////////////

#import "LcdViewController.h"

#import "MKConnectionController.h"

#import "NSData+MKCommandEncode.h"

#import "MKDatatypes.h"

#import "MKDataConstants.h"

@implementation LcdViewController

@synthesize label;

@synthesize segment;

@synthesize gestureStartPoint;

- (void) viewDidLoad {

  label.text = @"Not connected\r\nNo data\r\n\r\n";

  lcdCount = 0;

  [super viewDidLoad];

}

#pragma mark -

#pragma mark UIViewController delegate methods

- (void) updateSegment {

  if ([[MKConnectionController sharedMKConnectionController] hasNaviCtrl]) {

    [segment setEnabled:YES forSegmentAtIndex:0];

    [segment setEnabled:YES forSegmentAtIndex:1];

    [segment setEnabled:YES forSegmentAtIndex:2];

  }

  else {

    [segment setEnabled:NO forSegmentAtIndex:0];

    [segment setEnabled:YES forSegmentAtIndex:1];

    [segment setEnabled:NO forSegmentAtIndex:2];

  }

  MKAddress currentDevice=[MKConnectionController sharedMKConnectionController].currentDevice;

  switch (currentDevice) {

    case MKAddressNC:

      segment.selectedSegmentIndex=0;

      break;

    case MKAddressFC:

      segment.selectedSegmentIndex=1;

      break;

    case MKAddressMK3MAg:

      segment.selectedSegmentIndex=2;

      break;

    default:

      break;

  }

}

// called after this controller's view will appear

- (void)viewWillAppear:(BOOL)animated

{      

  [self.navigationController setToolbarHidden:YES animated:NO];

        // for aesthetic reasons (the background is black), make the nav bar black for this particular page

        self.navigationController.navigationBar.barStyle = UIBarStyleBlackOpaque;

        // match the status bar with the nav bar

        [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackOpaque;

  [[MKConnectionController sharedMKConnectionController] activateNaviCtrl];

  [self updateSegment];

}

- (void) viewDidAppear:(BOOL)animated {

  canProcessNextGesture=YES;

        // for aesthetic reasons (the background is black), make the nav bar black for this particular page

        self.navigationController.navigationBar.barStyle = UIBarStyleBlackOpaque;

        // match the status bar with the nav bar

        [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackOpaque;

  NSNotificationCenter * nc = [NSNotificationCenter defaultCenter];

  [nc addObserver:self

         selector:@selector(lcdNotification:)

             name:MKLcdNotification

           object:nil];

  [self performSelector:@selector(sendMenuRefreshRequest) withObject:self afterDelay:0.1];

}

- (void) viewWillDisappear:(BOOL)animated {

  NSNotificationCenter * nc = [NSNotificationCenter defaultCenter];

  [nc removeObserver:self];

        // restore the nav bar and status bar color to default

        self.navigationController.navigationBar.barStyle = UIBarStyleDefault;

        [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleDefault;

}

- (void) sendMenuRequestForKeys:(uint8_t)keys;

{

  MKConnectionController * cCtrl = [MKConnectionController sharedMKConnectionController];

  uint8_t lcdReq[2];

  lcdReq[0] = keys;

  lcdReq[1] = 50;

  NSData * data = [NSData dataWithCommand:MKCommandLcdRequest

                               forAddress:MKAddressFC

                         payloadWithBytes:lcdReq

                                   length:2];

  [cCtrl sendRequest:data];

}

- (void) sendMenuRefreshRequest {

  [self sendMenuRequestForKeys:0xFF];

}

- (void) lcdNotification:(NSNotification *)aNotification {

  NSArray * mr = [[aNotification userInfo] objectForKey:kMKDataKeyMenuRows];

  label.text = [mr componentsJoinedByString:@"\r\n"];

  if (lcdCount++ > 4 ) {

    [self sendMenuRefreshRequest];

    lcdCount = 0;

  }

}

- (IBAction) changeDevice {

  [[MKConnectionController sharedMKConnectionController] activateNaviCtrl];

  switch (segment.selectedSegmentIndex) {

    case 1:

      [[MKConnectionController sharedMKConnectionController] activateFlightCtrl];

      break;

    case 2:

      [[MKConnectionController sharedMKConnectionController] activateMK3MAG];

      break;

  }

  MKConnectionController * cCtrl = [MKConnectionController sharedMKConnectionController];

  DLog(@"Device set to %d", cCtrl.currentDevice);

  [self performSelector:@selector(sendMenuRefreshRequest) withObject:self afterDelay:0.1];

}

- (IBAction) nextScreen {

  [self sendMenuRequestForKeys:0xFD];

}

- (IBAction) prevScreen {

  [self sendMenuRequestForKeys:0xFE];

}

- (void) didReceiveMemoryWarning {

  [super didReceiveMemoryWarning];

}

- (void) viewDidUnload {

  [super viewDidUnload];

}

- (void) dealloc {

  [super dealloc];

}

#pragma mark -

#define kMinimumGestureLength       25

#define kMaximumVariance            5

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {

  UITouch *touch = [touches anyObject];

  gestureStartPoint = [touch locationInView:self.view];

}

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {

  if (!canProcessNextGesture)

    return;

  UITouch *touch = [touches anyObject];

  CGPoint currentPosition = [touch locationInView:self.view];

  CGFloat deltaX = (gestureStartPoint.x - currentPosition.x);

  CGFloat deltaY = (gestureStartPoint.y - currentPosition.y);

  BOOL leftToRight=(deltaX<0);

  NSLog(@"%f",deltaX);

  deltaX = fabsf(deltaX);

  deltaY = fabsf(deltaY);

  if (deltaX >= kMinimumGestureLength && deltaY <= kMaximumVariance) {

    if (leftToRight)

      [self prevScreen];

    else

      [self nextScreen];

    canProcessNextGesture=NO;

  }

  else if (deltaY >= kMinimumGestureLength && deltaX <= kMaximumVariance){

  }

}

-(void) touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {

  canProcessNextGesture=YES;

}

@end