jungchris

//
//  ItemModel.swift
//  HelloToDoSwift
//
//  Created by Chris Jungmann on 4/2/16.
//  Copyright © 2016 Chris Jungmann. All rights reserved.
//
// http://nshipster.com/nscoding/

import UIKit

jungchris

//  Chris Jungmann Metal Experimentation
//  Based on Ray Wenderlich's tutorial
//  http://www.raywenderlich.com/77488/ios-8-metal-tutorial-swift-getting-started
//

import UIKit
import Metal
import QuartzCore           // had to set to Generic iOS Device for this to import properly
                            // http://www.raywenderlich.com/forums/viewtopic.php?f=20&t=18159&start=40

jungchris

// Method to calc a four sided polyhedron
- (void)createTetrahedron {
    
    // constants & vars based on four faces (triangles)
    int     trianglesAroundZ    = 3;                    // arbitrary choice of z axis
    float   seedPointAngle      = 90.0;                 // first point P1 vertex angle from x-y plane
    float   distanceToOrigin    = 1.0;
    float   angleBetweenPoints  = 360/trianglesAroundZ;
    
    // determine cone aspects

jungchris

/////////////////////////////////////////////////////////////////
// Declare data types
// This data type is used to store information for each vertex
typedef struct {
   GLKVector3  positionCoords;
}
SceneVertex;

/////////////////////////////////////////////////////////////////
// Define vertex data for a triangle to use in example

jungchris

// save array data
- (void)saveArrayData {
    
    NSMutableDictionary *dataDict = [[NSMutableDictionary alloc] initWithCapacity:365];
    if (urgeArray != nil) {
        [dataDict setObject:urgeArray forKey:@"events"];  // save the urges array
    }
    
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectoryPath = [paths objectAtIndex:0];

jungchris

#pragma mark - ISO8601 to NSDate & vice-versa

// Convert ISO 8601 standard Zulu date+time to NSDate
+ (NSDate*)convertISO8601ToNSDate:(NSString*)isoString {
    
    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
    [formatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSZ"];
    // Always use this locale when parsing fixed format date strings
    NSLocale *posix = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"];
    [formatter setLocale:posix];

jungchris

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    // check if exiting
    if (self.isMovingFromParentViewController) {
        NSLog(@"isMovingFromParentViewController");
        // set public property to indicate this view will not longer be presented
        self.isPresented = NO;
        // forces a return to portrait orientation
        NSNumber *value = [NSNumber numberWithInt:UIInterfaceOrientationPortrait];
        [[UIDevice currentDevice] setValue:value forKey:@"orientation"];

jungchris

// this delegate is executed before each rotation.  Here we allow only one view to go to landscape
- (NSUInteger) application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window
{
    // get the array of VCs from the nav controller
    UINavigationController *navControl = (UINavigationController*)self.window.rootViewController;
    NSArray *controllerArray =  navControl.viewControllers;
    NSUInteger controllerCount = [controllerArray count];
    
    // safety check, make sure we have at least one view controller on the stack
    if (controllerCount > 0) {

jungchris

// this is the .h file
// properties set by previous view controllers DatesTableVC or TracksTableVC
@property (assign, nonatomic) NSInteger selectedRow;
@property (nonatomic, strong) NSDate *selectedDate;
@property (nonatomic, strong) NSString *selectedTrack;

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

// this is the .m file
@interface SessionTableVC ()

jungchris

// NOTES: sessionType property from JSON file 'sessions.json' compared to 'tracksString' from 'tracks.json'
//
// 
@property (nonatomic, strong) NSString *selectedTrack;
@property (nonatomic, strong) NSArray *filteredArray;
@property (nonatomic, strong) NSArray *sortedArray;

@end

@implementation TracksTableVC