Iostableview Local all refresh and delete edit operations

• Local Refresh Method

  2. Add data

     NSArray *indexPaths = @[                       [NSIndexPath indexPathForRow:0 inSection:0],                       [NSIndexPath indexPathForRow:1 inSection:0] ];[self.tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationRight];

  4. Delete data

     nsarray * indexpaths = @[[nsindexpath indexpathforrow:0 I Nsection:0], [nsindexpath Indexpathforrow:1 insection:0]]; [self.tableview deleterowsatindexpaths:indexpaths Withrowanimation:uitableviewrowanimationmiddle];       

  6. Update data (without adding and deleting data, just modifying existing data)

     NSArray *indexPaths = @[                     [NSIndexPath indexPathForRow:0 inSection:0],                     [NSIndexPath indexPathForRow:1 inSection:0] ];[self.tableView relaodRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationMiddle];

• Left slide appears delete button

  • Need to implement proxy methods for TableView

      As long as this method is implemented, the left slide appears with the Delete button function.Clicking on the "left slide" Delete button will call this method-(void) TableView: (uitableview *) TableView Commiteditingstyle: ( Uitableviewcelleditingstyle) Editingstyle Forrowatindexpath: (NSIndexPath *) IndexPath { //Delete model [self.wineArray Removeobjectatindex:indexpath.row]; //refresh [TableView Deleterowsatindexpaths:@[indexpath] Withrowanimation:uitableviewrowanimationleft"; } //Modify the Delete button text to "delete"-(nsstring *) TableView: (uitableview *) TableView Titlefordeleteconfirmationbuttonforrowatindexpath: ( nsindexpath *) Indexpath {return  @ "Delete"; }

• Left slide appears n buttons

  • Need to implement TableView proxy method as long as the implementation of this method, the left Slide button function will be there (once the left slip appears n buttons, tableView into the editing mode, tableview.editing = YES)

    - (void) TableView: (UITableView *) TableView Commiteditingstyle: (Uitableviewcelleditingstyle) Editingstyle Forrowatindexpath: (Nsindexpath *) Indexpath {}What button appears when left slide cell-(Nsarray *) TableView: (UITableView *) TableView Editactionsforrowatindexpath: (Nsindexpath *) Indexpath {Uitableviewrowaction *action0 = [Uitableviewrowaction Rowactionwithstyle:Uitableviewrowactionstylenormal title:@ "Follow" handler:^ (Uitableviewrowaction *action,Nsindexpath *indexpath) {nslog (@ "clicked attention"); //retract left Slide button (Exit edit mode) Tableview.editing = NO; }]; uitableviewrowaction *action1 = [UITableViewRowAction Rowactionwithstyle:uitableviewrowactionstyledefault title: @ "delete" handler:^ (uitableviewrowaction *action, nsindexpath *indexpath) {[self.wineArray Removeobjectatindex:indexpath.row]; [TableView Deleterowsatindexpaths:@[indexpath] Withrowanimation: Uitableviewrowanimationautomatic]; }]; return @[action1, Action0];}          

• Enter edit mode

// self.tabelView.editing = YES;[self.tableView setEditing:YES animated:YES];// 默认情况下，进入编辑模式时，左边会出现一排红色的“减号”按钮

• Multi-Select in edit mode

// 编辑模式的时候可以多选self.tableView.allowsMultipleSelectionDuringEditing = YES;// 进入编辑模式[self.tableView setEditing:YES animated:YES];// 获得选中的所有行self.tableView.indexPathsForSelectedRows;

Iostableview Local all refresh and delete edit operations