add cocoa.vim & swift.vim

sources_non_forked/swift.vim/example/MainViewController.swift

@@ -0,0 +1,124 @@
+//
+//  MainViewController.swift
+//  HackerNews
+//
+//  Copyright (c) 2014 Amit Burstein. All rights reserved.
+//  See LICENSE for licensing information.
+//
+//  Abstract:
+//      Handles fetching and displaying posts from Hacker News.
+//
+
+import UIKit
+import QuartzCore
+
+class MainViewController: UIViewController, UITableViewDataSource {
+
+    // MARK: Properties
+
+    let postCellIdentifier = "PostCell"
+    let showBrowserIdentifier = "ShowBrowser"
+    var postFilter = PostFilterType.Top
+    var posts = HNPost[]()
+    var refreshControl = UIRefreshControl()
+    @IBOutlet var tableView: UITableView
+
+    // MARK: Lifecycle
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        configureUI()
+        fetchPosts()
+    }
+
+    override func viewWillAppear(animated: Bool) {
+        tableView.deselectRowAtIndexPath(tableView.indexPathForSelectedRow(), animated: animated)
+        super.viewWillAppear(animated)
+    }
+
+    // MARK: Functions
+
+    func configureUI() {
+        refreshControl.addTarget(self, action: "fetchPosts", forControlEvents: .ValueChanged)
+        refreshControl.attributedTitle = NSAttributedString(string: "Pull to Refresh")
+        tableView.insertSubview(refreshControl, atIndex: 0)
+    }
+
+    func fetchPosts() {
+        UIApplication.sharedApplication().networkActivityIndicatorVisible = true;
+
+        HNManager.sharedManager().loadPostsWithFilter(postFilter, completion: { posts in
+            if (posts != nil && posts.count > 0) {
+                self.posts = posts as HNPost[]
+                dispatch_async(dispatch_get_main_queue(), {
+                    self.tableView.reloadSections(NSIndexSet(index: 0), withRowAnimation: .Fade)
+                    self.refreshControl.endRefreshing()
+                    UIApplication.sharedApplication().networkActivityIndicatorVisible = false
+                })
+            } else {
+                println("Could not fetch posts!")
+                self.refreshControl.endRefreshing()
+                UIApplication.sharedApplication().networkActivityIndicatorVisible = false;
+            }
+        })
+    }
+
+    func stylePostCellAsRead(cell: UITableViewCell) {
+        cell.textLabel.textColor = UIColor(red: 119/255.0, green: 119/255.0, blue: 119/255.0, alpha: 1)
+        cell.detailTextLabel.textColor = UIColor(red: 153/255.0, green: 153/255.0, blue: 153/255.0, alpha: 1)
+    }
+
+    // MARK: UITableViewDataSource
+
+    func tableView(tableView: UITableView!, numberOfRowsInSection section: Int) -> Int {
+        return posts.count
+    }
+
+    func tableView(tableView: UITableView!, cellForRowAtIndexPath indexPath: NSIndexPath!) -> UITableViewCell! {
+        let cell = tableView.dequeueReusableCellWithIdentifier(postCellIdentifier) as UITableViewCell
+
+        let post = posts[indexPath.row]
+
+        if HNManager.sharedManager().hasUserReadPost(post) {
+            stylePostCellAsRead(cell)
+        }
+
+        cell.textLabel.text = post.Title
+        cell.detailTextLabel.text = "\(post.Points) points by \(post.Username)"
+
+        return cell
+    }
+
+    // MARK: UIViewController
+
+    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject) {
+        if segue.identifier == showBrowserIdentifier {
+            let webView = segue.destinationViewController as BrowserViewController
+            let cell = sender as UITableViewCell
+            let post = posts[tableView.indexPathForCell(cell).row]
+
+            HNManager.sharedManager().setMarkAsReadForPost(post)
+            stylePostCellAsRead(cell)
+
+            webView.post = post
+        }
+    }
+
+    // MARK: IBActions
+
+    @IBAction func changePostFilter(sender: UISegmentedControl) {
+        switch sender.selectedSegmentIndex {
+        case 0:
+            postFilter = .Top
+            fetchPosts()
+        case 1:
+            postFilter = .New
+            fetchPosts()
+        case 2:
+            postFilter = .Ask
+            fetchPosts()
+        default:
+            println("Bad segment index!")
+        }
+    }
+}