/*

 Copyright (C) 2018 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 This sample's gallery view controller to display varying visual configurations on NSDatePicker.

 */

#import "GalleryViewController.h"

@interface GalleryViewController ()

@property (strong) NSDate *currentTime;

@property (strong) NSTimer *timer;

@property (weak) IBOutlet NSView *city_Cupertino_ClockContainer;

@property (weak) IBOutlet NSView *city_NewYork_ClockContainer;

@property (weak) IBOutlet NSView *city_London_ClockContainer;

@property (weak) IBOutlet NSView *city_Rome_ClockContainer;

@property (weak) IBOutlet NSView *clockContainerViewBezeled;

@property (weak) IBOutlet NSView *fieldContainerViewBezeled;

@property (weak) IBOutlet NSView *fieldContainerViewBezeledColor;

@property (weak) IBOutlet NSView *fieldContainerViewBezeledSmallFont;

@property (weak) IBOutlet NSView *clockContainerViewBordered;

@property (weak) IBOutlet NSView *fieldContainerViewBordered;

@property (weak) IBOutlet NSView *fieldContainerViewBorderedColor;

@property (weak) IBOutlet NSView *fieldContainerViewBorderedSmallFont;

@end

#pragma mark -

@implementation GalleryViewController

- (void)setupCityClock:(NSView *)containerView timeZone:(NSTimeZone *)timeZone

{

    // Only show the clock, by only including time elements.

    NSDatePickerElementFlags flags = 0;

    flags |= NSHourMinuteDatePickerElementFlag;

    flags |= NSHourMinuteSecondDatePickerElementFlag;

    flags |= NSTimeZoneDatePickerElementFlag;

    // Setup the city block and bind it's value to a single NSDate property.

    NSDatePicker *cityClock = [[NSDatePicker alloc] initWithFrame:containerView.bounds];

    cityClock.datePickerStyle = NSClockAndCalendarDatePickerStyle;

    cityClock.datePickerElements = flags;

    cityClock.timeZone = timeZone;

    [cityClock bind:NSValueBinding toObject:self withKeyPath:@"currentTime" options:nil];

    [containerView addSubview:cityClock];

}

- (void)viewWillAppear

{

    [super viewWillAppear];

    // We setup a timer so that each clock's date value is updated to the current time.

    __weak __typeof(self) weakSelf = self;

    _timer = [NSTimer scheduledTimerWithTimeInterval:1.0 repeats:YES block:^(NSTimer * _Nonnull timer) {

        weakSelf.currentTime = [NSDate date];

    }];

}

- (void)viewWillDisappear

{

    [super viewWillDisappear];

    // User tabbed out of our view controller, timer needs to stop.

    [self.timer invalidate];

}

- (void)dealloc

{

    [self.timer invalidate];

}

// -------------------------------------------------------------------------------

//  viewDidLoad

// -------------------------------------------------------------------------------

- (void)viewDidLoad

{

    [super viewDidLoad];

    _currentTime = [NSDate date];

    // Setup the world clocks in four different time zones.

    NSArray *knownTimeZoneNames = [NSTimeZone knownTimeZoneNames];

    for (NSString *timeZoneName in knownTimeZoneNames)

    {

        // Parse out our known list of time zones.

        NSArray *nameComponents = [timeZoneName componentsSeparatedByString:@"/"];

        if (nameComponents.count > 1)   // GMT time zone has only one component.

        {

            // Find the time zones we want to display.

            NSTimeZone *timeZone = [NSTimeZone timeZoneWithName:timeZoneName];

            NSView *containerView = nil;

            if ([nameComponents[1] isEqualToString:@"Los_Angeles"])

            {

                containerView = self.city_Cupertino_ClockContainer;

            }

            else if ([nameComponents[1] isEqualToString:@"New_York"])

            {

                containerView = self.city_NewYork_ClockContainer;

            }

            else if ([nameComponents[1] isEqualToString:@"London"])

            {

                containerView = self.city_London_ClockContainer;

            }

            else if ([nameComponents[1] isEqualToString:@"Rome"])

            {

                containerView = self.city_Rome_ClockContainer;

            }

            if (containerView != nil)

            {

                // Each clock will then update itself in a timer,

                // updates occur through binding it's value to our property "currentTime".

                [self setupCityClock:containerView timeZone:timeZone];

            }

        }

    }

    // Clock and calendar - bezeled.

    NSDatePicker *bezeledDatePickerControl = [[NSDatePicker alloc] initWithFrame:self.clockContainerViewBezeled.bounds];

    bezeledDatePickerControl.drawsBackground = YES;

    bezeledDatePickerControl.datePickerStyle = NSClockAndCalendarDatePickerStyle;

    bezeledDatePickerControl.bezeled = YES;

    bezeledDatePickerControl.dateValue = [NSDate date];

    [self.clockContainerViewBezeled addSubview:bezeledDatePickerControl];

    // TextField and stepper - bezeled.

    NSDatePicker *fieldStepperPickerControl = [[NSDatePicker alloc] initWithFrame:self.fieldContainerViewBezeled.bounds];

    fieldStepperPickerControl.drawsBackground = YES;

    fieldStepperPickerControl.datePickerStyle = NSTextFieldAndStepperDatePickerStyle;

    fieldStepperPickerControl.bezeled = YES;

    fieldStepperPickerControl.dateValue = [NSDate date];

    [self.fieldContainerViewBezeled addSubview:fieldStepperPickerControl];

    // TextField and stepper - bezeled - background and color text.

    NSDatePicker *fieldStepperPickerControlColored = [[NSDatePicker alloc] initWithFrame:self.fieldContainerViewBezeledColor.bounds];

    fieldStepperPickerControlColored.drawsBackground = YES;

    fieldStepperPickerControlColored.datePickerStyle = NSTextFieldAndStepperDatePickerStyle;

    fieldStepperPickerControlColored.bezeled = YES;

    fieldStepperPickerControlColored.textColor = [NSColor yellowColor];

    fieldStepperPickerControlColored.backgroundColor = [NSColor blueColor];

    fieldStepperPickerControlColored.dateValue = [NSDate date];

    [self.fieldContainerViewBezeledColor addSubview:fieldStepperPickerControlColored];

    // TextField and stepper - bezeled - small font.

    NSDatePicker *fieldStepperPickerControlSmallFont = [[NSDatePicker alloc] initWithFrame:self.fieldContainerViewBezeled.bounds];

    fieldStepperPickerControlSmallFont.drawsBackground = YES;

    fieldStepperPickerControlSmallFont.datePickerStyle = NSTextFieldAndStepperDatePickerStyle;

    fieldStepperPickerControlSmallFont.bezeled = YES;

    // You can use: NSControlSizeMini, NSControlSizeSmall, NSControlSizeRegular.

    fieldStepperPickerControlSmallFont.cell.controlSize = NSControlSizeMini;

    fieldStepperPickerControlSmallFont.cell.font = [NSFont systemFontOfSize:9.0];

    fieldStepperPickerControlSmallFont.dateValue = [NSDate date];

    [self.fieldContainerViewBezeledSmallFont addSubview:fieldStepperPickerControlSmallFont];

    // Clock and calendar - bordered.

    NSDatePicker *borderedPickerControl = [[NSDatePicker alloc] initWithFrame:self.clockContainerViewBordered.bounds];

    borderedPickerControl.drawsBackground = YES;

    borderedPickerControl.datePickerStyle = NSClockAndCalendarDatePickerStyle;

    borderedPickerControl.bordered = YES;

    borderedPickerControl.dateValue = [NSDate date];

    [self.clockContainerViewBordered addSubview:borderedPickerControl];

    // TextField and stepper - bordered.

    NSDatePicker *fieldPickerControl = [[NSDatePicker alloc] initWithFrame:self.fieldContainerViewBordered.bounds];

    fieldPickerControl.drawsBackground = YES;

    fieldPickerControl.datePickerStyle = NSTextFieldAndStepperDatePickerStyle;

    fieldPickerControl.bordered = YES;

    fieldPickerControl.dateValue = [NSDate date];

    [self.fieldContainerViewBordered addSubview:fieldPickerControl];

    // TextField and stepper - bordered - background and color text.

    NSDatePicker *fieldStepperBorderedPickerControlColored = [[NSDatePicker alloc] initWithFrame:self.fieldContainerViewBorderedColor.bounds];

    fieldStepperBorderedPickerControlColored.drawsBackground = YES;

    fieldStepperBorderedPickerControlColored.datePickerStyle = NSTextFieldAndStepperDatePickerStyle;

    fieldStepperBorderedPickerControlColored.bordered = YES;

    fieldStepperBorderedPickerControlColored.textColor = [NSColor yellowColor];

    fieldStepperBorderedPickerControlColored.backgroundColor = [NSColor blueColor];

    fieldStepperBorderedPickerControlColored.dateValue = [NSDate date];

    [self.fieldContainerViewBorderedColor addSubview:fieldStepperBorderedPickerControlColored];

    // TextField and stepper - bordered - small font.

    NSDatePicker *fieldPickerControlSmallFont = [[NSDatePicker alloc] initWithFrame:self.fieldContainerViewBorderedSmallFont.bounds];

    fieldPickerControlSmallFont.drawsBackground = YES;

    fieldPickerControlSmallFont.datePickerStyle = NSTextFieldAndStepperDatePickerStyle;

    fieldPickerControlSmallFont.bordered = YES;

    // You can use: NSControlSizeMini, NSControlSizeSmall, NSControlSizeRegular.

    fieldPickerControlSmallFont.cell.controlSize = NSControlSizeMini;

    fieldPickerControlSmallFont.cell.font = [NSFont systemFontOfSize:9.0];

    fieldPickerControlSmallFont.dateValue = [NSDate date];

    [self.fieldContainerViewBorderedSmallFont addSubview:fieldPickerControlSmallFont];

    // Workaround to window resize problem with NSTabViewController on 10.13.

    self.preferredContentSize = self.view.frame.size;

}

@end