swift tableviewcontroller自定义列表

  1 //
  2 //  JieTableViewController.swift
  3 //  JieTableView
  4 //
  5 //  Created by jiezhang on 14-10-5.
  6 //  Copyright (c) 2014年 jiezhang. All rights reserved.
  7 //
  8 
  9 import UIKit
 10 
 11 class JieTableViewController: UITableViewController {
 12 
 13     var listVideos : NSMutableArray!
 14     
 15     override func viewDidLoad() {
 16         super.viewDidLoad()
 17         var bundle = NSBundle.mainBundle()
 18         let plistPath : String! = bundle.pathForResource("videos", ofType: "plist")
 19         listVideos = NSMutableArray(contentsOfFile: plistPath)
 20         // Uncomment the following line to preserve selection between presentations
 21         // self.clearsSelectionOnViewWillAppear = false
 22         
 23         // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
 24         //下面这段话是设置左边编辑，右边添加item
 25         
 26         self.navigationItem.leftBarButtonItem = self.editButtonItem()
 27         let addButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Add, target: self, action: "insertNewObject:")
 28         self.navigationItem.rightBarButtonItem = addButton
 29         
 30     }
 31 
 32     func insertNewObject(sender: AnyObject) {
 33         var item : NSDictionary = NSDictionary(objects:["http://c.hiphotos.baidu.com/video/pic/item/f703738da977391224eade15fb198618377ae2f2.jpg","新增数据", NSDate.date().description] , forKeys: ["video_img","video_title","video_subTitle"])
 34         listVideos.insertObject(item, atIndex: 0)
 35         let indexPath = NSIndexPath(forRow: 0, inSection: 0)
 36         self.tableView.insertRowsAtIndexPaths([indexPath], withRowAnimation: .Automatic)
 37     }
 38     
 39 
 40     override func didReceiveMemoryWarning() {
 41         super.didReceiveMemoryWarning()
 42         // Dispose of any resources that can be recreated.
 43     }
 44 
 45     // MARK: - Table view data source
 46     //返回节的个数
 47     override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
 48         // #warning Potentially incomplete method implementation.
 49         // Return the number of sections.
 50         return 1
 51     }
 52     //返回某个节中的行数
 53     override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
 54         // #warning Incomplete method implementation.
 55         // Return the number of rows in the section.
 56         return listVideos.count
 57     }
 58     //为表视图单元格提供数据，该方法是必须实现的方法
 59     override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
 60         let cellIdentifier : String = "videoItem"
 61         let cell = tableView.dequeueReusableCellWithIdentifier(cellIdentifier, forIndexPath: indexPath) as JieTableViewCell
 62         var row = indexPath.row
 63         var rowDict : NSDictionary = listVideos.objectAtIndex(row) as NSDictionary
 64         let url : String = rowDict.objectForKey("video_img") as String
 65         let dataImg : NSData = NSData(contentsOfURL: NSURL(string : url))
 66         cell.JieVideoImg.image = UIImage(data: dataImg)
 67         cell.JieVideoTitle.text = rowDict.objectForKey("video_title") as? String
 68         cell.JieVideoSubTitle.text = rowDict.objectForKey("video_subTitle") as? String
 69         return cell
 70 
 71     }
 72     
 73     override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
 74 
 75     }
 76     
 77     // 支持单元格编辑功能
 78     override func tableView(tableView: UITableView, canEditRowAtIndexPath indexPath: NSIndexPath) -> Bool {
 79         // Return NO if you do not want the specified item to be editable.
 80         return true
 81     }
 82     
 83     // Override to support editing the table view.
 84     override func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
 85         if editingStyle == .Delete {
 86             // Delete the row from the data source
 87             listVideos.removeObjectAtIndex(indexPath.row)
 88             tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Fade)
 89         } else if editingStyle == .Insert {
 90             // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
 91         }    
 92     }
 93 
 94     
 95     // Override to support rearranging the table view.
 96     override func tableView(tableView: UITableView, moveRowAtIndexPath fromIndexPath: NSIndexPath, toIndexPath: NSIndexPath) {
 97         if fromIndexPath != toIndexPath{
 98             var object: AnyObject = listVideos.objectAtIndex(fromIndexPath.row)
 99             listVideos.removeObjectAtIndex(fromIndexPath.row)
100             if toIndexPath.row > self.listVideos.count{
101                 self.listVideos.addObject(object)
102             }else{
103                 self.listVideos.insertObject(object, atIndex: toIndexPath.row)
104             }
105         }
106     }
107     
108 
109     
110     // Override to support conditional rearranging of the table view.
111     //在编辑状态，可以拖动设置item位置
112     override func tableView(tableView: UITableView, canMoveRowAtIndexPath indexPath: NSIndexPath) -> Bool {
113         // Return NO if you do not want the item to be re-orderable.
114         return true
115     }
116     
117 
118     
119     // MARK: - Navigation
120 
121     //给新进入的界面进行传值
122     override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
123         if segue.identifier == "showDetail" {
124             if let indexPath = self.tableView.indexPathForSelectedRow() {
125                 let object : NSDictionary = listVideos[indexPath.row] as NSDictionary
126                 (segue.destinationViewController as JieDetailViewController).detailItem = object
127             }
128         }
129     }
130 
131     
132     
133 
134 }