iOS Seventh day (6:uitableview edit mode, drag position, swipe to delete)

UITableView edit mode, drag position, swipe to delete

#import "HMViewController.h"@interfaceHmviewcontroller () <uitableviewdatasource, uitableviewdelegate>/** Data List*/@property (nonatomic, strong) Nsmutablearray*dataList, @property (nonatomic, strong) UITableView*TableView;@end@implementationHmviewcontroller-(UITableView *) tableview{if(_tableview = =Nil) {_tableview=[[UITableView alloc] InitWithFrame:self.view.bounds Style:uitableviewstyleplain]; _tableview.datasource=Self ; _tableview.Delegate=Self ;    [Self.view Addsubview:_tableview]; }    return_tableview;}-(Nsmutablearray *) datalist{if(_datalist = =Nil) {_datalist= [Nsmutablearray arraywithobjects:@"Zhangsan",@"Lisi",@"Wangwu",@"Zhangsan",@"Lisi",@"Wangwu",@"Zhangsan",@"Lisi",@"Wangwu",@"Zhangsan",@"Lisi",@"Wangwu",@"Zhangsan",@"Lisi",@"Wangwu",@"Zhangsan",@"Lisi",@"Wangwu",@"Zhangsan",@"Lisi",@"Wangwu",@"Zhangsan",@"Lisi",@"Wangwuwangwuwangwuwangwuwangwu", nil]; }    return_datalist;}- (void) viewdidload{[Super Viewdidload];    [Self tableView]; //start editing, and once editing = = yes, the delete mode is turned on by defaultSelf.tableView.editing =YES;}-(Nsinteger) TableView: (UITableView *) TableView numberofrowsinsection: (nsinteger) section{returnSelf.dataList.count;}-(UITableViewCell *) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) indexpath{StaticNSString *id =@"Cell"; UITableViewCell*cell =[TableView Dequeuereusablecellwithidentifier:id]; if(Cell = =Nil) {Cell=[[UITableViewCell alloc] Initwithstyle:uitableviewcellstyledefault Reuseidentifier:id]; }        //Setup tableCell.textLabel.text =Self.datalist[indexpath.row]; returncell;}//as long as the implementation of this method, you can support gesture drag Delete, delete need to do their own! /** Uitableviewcelleditingstylenone, Uitableviewcelleditingstyledelete, delete uitableviewcelleditingstyleinsert add */- (void) TableView: (UITableView *) TableView Commiteditingstyle: (uitableviewcelleditingstyle) Editingstyle Forrowatindexpath: (Nsindexpath *) indexpath{if(Editingstyle = =uitableviewcelleditingstyledelete) {NSLog (@"to delete"); //MVC = data is stored in the model//1. Delete the Indexpath data in Self.datalist[Self.datalist RemoveObjectAtIndex:indexPath.row]; NSLog (@"%@", self.datalist); //2. Refresh the table (reload the data)//Reload All data//[Self.tableview Reloaddata]; //deleterowsatindexpaths to animate a table control to delete a specified row[Self.tableview Deleterowsatindexpaths:@[indexpath] withrowanimation:uitableviewrowanimationmiddle]; } Else if(Editingstyle = =Uitableviewcelleditingstyleinsert) {NSLog (@"to add Data"); //1. Adding data to an array[Self.datalist InsertObject:@"Wangxiao"AtIndex:indexPath.row +1]; //2. Refresh the table//[Self.tableview Reloaddata]; //insertrowsatindexpaths The Table control animation to add the specified row in the specified Indexpath//Create a new IndexpathNsindexpath *path = [Nsindexpath IndexPathForRow:indexPath.row +1InSection:indexPath.section];    [Self.tableview Insertrowsatindexpaths:@[path] withrowanimation:uitableviewrowanimationmiddle]; }}//as long as you implement this method, you can display the drag control- (void) TableView: (UITableView *) TableView Moverowatindexpath: (Nsindexpath *) Sourceindexpath Toindexpath: (Nsindexpath *) destinationindexpath{//interface Data UITableView has been completed.//adjusting the data can//[Self.datalist ExchangeObjectAtIndex:sourceIndexPath.row WithObjectAtIndex:destinationIndexPath.row]; //1. Remove the source from the array    IDSource =Self.datalist[sourceindexpath.row]; //2. Remove the source from the array[Self.datalist RemoveObjectAtIndex:sourceIndexPath.row]; NSLog (@"%@", self.datalist); //3. Insert the source into the array at the target location[Self.datalist Insertobject:source AtIndex:destinationIndexPath.row]; NSLog (@"%@", self.datalist);}#pragmaMark-Proxy method//returns the edit style, which, if not implemented, is deleted by default-(Uitableviewcelleditingstyle) TableView: (UITableView *) TableView Editingstyleforrowatindexpath: (Nsindexpath *) indexpath{//if (indexpath.row% 2) {//return uitableviewcelleditingstyleinsert;//} else {//return uitableviewcelleditingstyledelete;//    }    returnUitableviewcelleditingstyleinsert;}@end

iOS Seventh day (6:uitableview edit mode, drag position, swipe to delete)