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FRANCIS HUYNH
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Chapter 9 - Part 2
Finished Chapter 9 Including Bronze and Silver challenge.
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-18
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‎Homepwner/Homepwner.xcodeproj/project.pbxproj

+13-4
Original file line numberDiff line numberDiff line change
@@ -11,7 +11,9 @@
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4E4EB7CA1C460447007CE8CA /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 4E4EB7C81C460447007CE8CA /* Main.storyboard */; };
1212
4E4EB7CC1C460447007CE8CA /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 4E4EB7CB1C460447007CE8CA /* Assets.xcassets */; };
1313
4E4EB7CF1C460447007CE8CA /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 4E4EB7CD1C460447007CE8CA /* LaunchScreen.storyboard */; };
14-
4E4EB7D71C460487007CE8CA /* ItemsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E4EB7D61C460487007CE8CA /* ItemsViewController.swift */; };
14+
4E4EB7DB1C4ACFFA007CE8CA /* Item.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E4EB7DA1C4ACFFA007CE8CA /* Item.swift */; };
15+
4E4EB7DD1C4B55A8007CE8CA /* ItemStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E4EB7DC1C4B55A8007CE8CA /* ItemStore.swift */; };
16+
4E4EB7DF1C4B9DB9007CE8CA /* ItemsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E4EB7DE1C4B9DB9007CE8CA /* ItemsViewController.swift */; };
1517
/* End PBXBuildFile section */
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/* Begin PBXFileReference section */
@@ -21,7 +23,9 @@
2123
4E4EB7CB1C460447007CE8CA /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
2224
4E4EB7CE1C460447007CE8CA /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
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4E4EB7D01C460447007CE8CA /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
24-
4E4EB7D61C460487007CE8CA /* ItemsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = ItemsViewController.swift; path = ../ItemsViewController.swift; sourceTree = "<group>"; };
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4E4EB7DA1C4ACFFA007CE8CA /* Item.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Item.swift; sourceTree = "<group>"; };
27+
4E4EB7DC1C4B55A8007CE8CA /* ItemStore.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ItemStore.swift; sourceTree = "<group>"; };
28+
4E4EB7DE1C4B9DB9007CE8CA /* ItemsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ItemsViewController.swift; sourceTree = "<group>"; };
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/* End PBXFileReference section */
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/* Begin PBXFrameworksBuildPhase section */
@@ -54,7 +58,9 @@
5458
4E4EB7C31C460447007CE8CA /* Homepwner */ = {
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isa = PBXGroup;
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children = (
57-
4E4EB7D61C460487007CE8CA /* ItemsViewController.swift */,
61+
4E4EB7DE1C4B9DB9007CE8CA /* ItemsViewController.swift */,
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4E4EB7DA1C4ACFFA007CE8CA /* Item.swift */,
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4E4EB7DC1C4B55A8007CE8CA /* ItemStore.swift */,
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4E4EB7C41C460447007CE8CA /* AppDelegate.swift */,
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4E4EB7C81C460447007CE8CA /* Main.storyboard */,
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4E4EB7CB1C460447007CE8CA /* Assets.xcassets */,
@@ -135,7 +141,9 @@
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isa = PBXSourcesBuildPhase;
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buildActionMask = 2147483647;
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files = (
138-
4E4EB7D71C460487007CE8CA /* ItemsViewController.swift in Sources */,
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4E4EB7DF1C4B9DB9007CE8CA /* ItemsViewController.swift in Sources */,
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4E4EB7DB1C4ACFFA007CE8CA /* Item.swift in Sources */,
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4E4EB7DD1C4B55A8007CE8CA /* ItemStore.swift in Sources */,
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4E4EB7C51C460447007CE8CA /* AppDelegate.swift in Sources */,
140148
);
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runOnlyForDeploymentPostprocessing = 0;
@@ -284,6 +292,7 @@
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4E4EB7D51C460447007CE8CA /* Release */,
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);
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defaultConfigurationIsVisible = 0;
295+
defaultConfigurationName = Release;
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};
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/* End XCConfigurationList section */
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};

‎Homepwner/Homepwner/AppDelegate.swift

+8
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@@ -16,6 +16,14 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
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func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
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// Override point for customization after application launch.
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// Create the item storage for itemsviewcontroller.
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let itemStore = ItemStore()
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let itemsController = window!.rootViewController as! ItemsViewController
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// QUESTION: Why didn't Xcode autocomplete itemStore? It should know from previous
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// downcast that itemsController is ItemsViewController
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itemsController.itemStore = itemStore
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return true
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}
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‎Homepwner/Homepwner/Base.lproj/Main.storyboard

+17-1
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@@ -14,12 +14,28 @@
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<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
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<prototypes>
17-
<tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" id="yTN-Se-tnd">
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<tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="UITableViewCell" textLabel="EUm-j6-bmI" detailTextLabel="mt3-73-Gew" style="IBUITableViewCellStyleValue1" id="yTN-Se-tnd">
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<rect key="frame" x="0.0" y="28" width="600" height="44"/>
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<autoresizingMask key="autoresizingMask"/>
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<tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="yTN-Se-tnd" id="DHC-wn-knv">
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<rect key="frame" x="0.0" y="0.0" width="600" height="43"/>
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<autoresizingMask key="autoresizingMask"/>
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<subviews>
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<label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Title" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="EUm-j6-bmI">
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<rect key="frame" x="15" y="12" width="32" height="20"/>
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<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
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<fontDescription key="fontDescription" type="system" pointSize="16"/>
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<color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
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<nil key="highlightedColor"/>
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</label>
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<label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Detail" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="mt3-73-Gew">
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<rect key="frame" x="543" y="12" width="42" height="20"/>
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<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
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<fontDescription key="fontDescription" type="system" pointSize="16"/>
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<color key="textColor" red="0.55686274509803924" green="0.55686274509803924" blue="0.57647058823529407" alpha="1" colorSpace="calibratedRGB"/>
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<nil key="highlightedColor"/>
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</label>
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</subviews>
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</tableViewCellContentView>
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</tableViewCell>
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</prototypes>

‎Homepwner/Homepwner/Item.swift

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@@ -0,0 +1,52 @@
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//
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// Item.swift
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// Homepwner
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//
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// Created by FRANCIS HUYNH on 1/16/16.
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// Copyright © 2016 Fhools. All rights reserved.
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//
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9+
import UIKit
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// NOTE: Lets figure out what the app needs from NSObject
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class Item: NSObject {
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var name: String
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var valueInDollars: Int
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var serialNumber: String?
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let dateCreated: NSDate
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// NOTE: init is required because not all properties are initialized with default property when declared
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init(name: String, serialNumber: String?, valueInDollars: Int) {
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self.name = name
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self.valueInDollars = valueInDollars
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self.dateCreated = NSDate()
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// NOTE: This is opposite of C++ where base constructor is always
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// initialized first
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super.init()
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}
28+
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convenience init(random: Bool = false) {
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if random {
31+
let adjectives = ["Fluffy", "Rusty", "Shiny"]
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let nouns = ["Bear", "Spork", "Mac"]
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var idx = arc4random_uniform(UInt32(adjectives.count))
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let randomAdjective = adjectives[Int(idx)]
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idx = arc4random_uniform(UInt32(nouns.count))
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let randomNoun = nouns[Int(idx)]
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let randomName = "\(randomAdjective) \(randomNoun)"
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let randomDollarAmount = Int(arc4random_uniform(100))
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let randomSerialNumber = NSUUID().UUIDString.componentsSeparatedByString("-").first!
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self.init(name: randomName, serialNumber: randomSerialNumber, valueInDollars: randomDollarAmount)
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} else {
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self.init(name: "", serialNumber: nil, valueInDollars: 0)
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}
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}
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}

‎Homepwner/Homepwner/ItemStore.swift

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@@ -0,0 +1,32 @@
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//
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// ItemStore.swift
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// Homepwner
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//
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// Created by FRANCIS HUYNH on 1/16/16.
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// Copyright © 2016 Fhools. All rights reserved.
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//
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9+
import UIKit
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class ItemStore {
12+
var allItems = [Item]()
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func createItem() -> Item {
15+
let newItem = Item(random: true)
16+
allItems.append(newItem)
17+
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return newItem;
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}
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init() {
22+
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for _ in 0..<5 {
24+
createItem()
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}
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}
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}
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‎Homepwner/Homepwner/ItemsViewController.swift

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@@ -0,0 +1,72 @@
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//
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// ItemsViewController.swift
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// Homepwner
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//
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// Created by FRANCIS HUYNH on 1/12/16.
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// Copyright © 2016 Fhools. All rights reserved.
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//
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import UIKit
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class ItemsViewController : UITableViewController {
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var itemStore: ItemStore!
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override func viewDidLoad() {
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super.viewDidLoad()
17+
// We want the tableview to appear below the status bar area at the top of
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// the screen
19+
let statusBarHeight = UIApplication.sharedApplication().statusBarFrame.height
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let insets = UIEdgeInsets(top: statusBarHeight, left: 0, bottom: 0, right: 0)
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tableView.contentInset = insets
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tableView.scrollIndicatorInsets = insets
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}
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// MARK: UITableViewControllerDataSource
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//Note: DataSource is the Model part of MVC
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override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
29+
let count = itemStore.allItems.count
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// Silver challenge: We always have last row be No more items
31+
return count + 1
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}
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override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
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// Value1 is big textlabel and detailtextlabel side by side with icon on left as well
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// Note: resuseIdentifier is a unique string for each cell that look alike.
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// Q: Does framework register this string?
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// A: According to BigNerdRanch, the convention is every class that implements UITableViewCell has the name of
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// its reuseidentifier be that of the class.
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// Q: Why don't we create our own reuseidentifier?
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// A: Wrong question, we did set its reuseidentfier when we instantiate it, thats the "reuseidentifier" parameter
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// Q: Ok, the reuseidentifier is used by a TableView not UITableViewController, how does that get associated then
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// A: UITableViewCell's identifier attribute in the InterfaceBuilder of the "prototype cell"
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// Q: Can we have multiple "prototype cells per tableview???"
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// A: TableView has a property you can set in interface builder number of prototype cells. Thats how you can set
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// the attributes for different type of cells you have from the gui.
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// The following is inefficient because it creates a new cell for each row of the tableview data
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//let cell = UITableViewCell(style: .Value1, reuseIdentifier: "UITableViewCell")
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// The following uses the UITableView's queue of identifier it automatically manages
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// Note: If we don't set tableview's prototype cell's attribute to UITableView, it wouldn't have known!
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let cell = tableView.dequeueReusableCellWithIdentifier("UITableViewCell", forIndexPath: indexPath)
59+
if indexPath.row < itemStore.allItems.count {
60+
let item = itemStore.allItems[indexPath.row]
61+
cell.textLabel?.text = item.name
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cell.detailTextLabel?.text = "$\(item.valueInDollars)"
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} else {
64+
cell.textLabel?.text = "No more items"
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cell.detailTextLabel?.text = ""
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}
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return cell
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}
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}

‎Homepwner/ItemsViewController.swift

-13
This file was deleted.

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