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Мое требование состоит в том, чтобы управлять строками таблицы для выбора, выбирать все, а строки Delete.deleting обрабатываются корректно. Но когда я выбираю строку, изображение не изменяется. Пожалуйста, дайте мне решение, где сделал я сделал mistake.I добавил свой кодTableview Изображение не изменяется при выборе строки Tableview в iOS
ViewController.h
@interface ViewController : UIViewController<UITableViewDelegate>
{
NSMutableArray *tableData;
NSMutableSet *selectedRows;
UIToolbar *actionToolbar;
UIImageView *imgView;
BOOL selected;
UIBarButtonItem *actionButton,*selectAllButton,*deleteButton;
}
@property(nonatomic,retain)NSMutableSet *selectedRows;
@property(nonatomic,retain)IBOutlet UITableView *tableView;
- (BOOL)selected;
-(void)handleLongPress:(UILongPressGestureRecognizer *)gestureRecognizer;
- (NSIndexPath *)indexPathForCellController:(id)cellController;
ViewController.m
#import "ViewController.h"
#import "MultiSelectTableViewCell.h"
@interface ViewController()
@end
const NSInteger SELECTION_INDICATOR_TAG = 54321;
const NSInteger TEXT_LABEL_TAG = 54322;
@implementation ViewController
@synthesize tableView,selectedRows;
- (void)viewDidLoad
{
[super viewDidLoad];
tableData=[[NSMutableArray alloc]init];
[tableData addObject:@"Row1"];
[tableData addObject:@"Row2"];
[tableData addObject:@"Row3"];
[tableData addObject:@"Row4"];
[tableData addObject:@"Row5"];
[tableData addObject:@"Row6"];
[tableData addObject:@"Row7"];
[tableData addObject:@"Row8"];
[tableData addObject:@"Row9"];
[tableData addObject:@"Row10"];
selectedRows=[[NSMutableSet alloc]init];
actionToolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 416, 320, 44)];
actionButton =
[[UIBarButtonItem alloc]
initWithTitle:@"Submit"
style:UIBarButtonItemStyleBordered
target:self
action:@selector(noAction:)];
NSMutableArray *buttons = [[NSMutableArray alloc ]initWithCapacity:2];
selectAllButton=[[UIBarButtonItem alloc]initWithTitle:@"Select All" style:UIBarButtonItemStyleBordered target:self action:@selector(selectAllrows:)];
deleteButton=[[UIBarButtonItem alloc]initWithTitle:@"Delete" style:UIBarButtonItemStyleBordered target:self action:@selector(deleterows:)];
[self.tableView setAllowsSelectionDuringEditing:YES];
self.tableView.allowsMultipleSelection = YES;
selected=NO;
[buttons addObject:actionButton];
[buttons addObject:selectAllButton];
[buttons addObject:deleteButton];
[actionToolbar setItems:buttons];
[self.view addSubview:actionToolbar];
UILongPressGestureRecognizer *lpgr = [[UILongPressGestureRecognizer alloc]
initWithTarget:self action:@selector(handleLongPress:)];
lpgr.minimumPressDuration = 2.0; //seconds
lpgr.delegate = self;
[self.tableView addGestureRecognizer:lpgr];
// Do any additional setup after loading the view, typically from a nib.
}
-(void)handleLongPress:(UILongPressGestureRecognizer *)gestureRecognizer
{
CGPoint p = [gestureRecognizer locationInView:self.tableView];
NSIndexPath *indexPath = [self.tableView indexPathForRowAtPoint:p];
if (indexPath == nil)
NSLog(@"long press on table view but not on a row");
else
NSLog(@"long press on table view at row %d", indexPath.row);}
- (void)noAction:(id)sender
{
}
- (void)deleterows:(id)sender
{
// [self.tableView deleteRowsAtIndexPaths:arrayOfIndexPathsToDelete withRowAnimation:UITableViewRowAnimationTop];
NSLog(@"select rows are::%@ %d",selectedRows,[selectedRows count]);
NSArray *array=[selectedRows allObjects];
NSLog(@"indexes are::%@",array);
for (int i=0; i<[array count]; i++) {
NSLog(@"------%@",[array objectAtIndex:i]);
NSIndexPath *myIP = [NSIndexPath indexPathForRow:[[array objectAtIndex:i] intValue] inSection:0] ;
[self tableView:self.tableView commitEditingStyle:UITableViewCellEditingStyleDelete forRowAtIndexPath:myIP];
}
// [self.tableView deleteRowsAtIndexPaths:array withRowAnimation:UITableViewRowAnimationTop];
}
- (void)tableView:(UITableView *)tableview commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
if(editingStyle == UITableViewCellEditingStyleDelete) {
//Delete the object from the friends array and the table.
[tableData removeObjectAtIndex:indexPath.row];
NSLog(@"------%@",[indexPath description]);
[self.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
}
}
- (void)selectAllrows:(id)sender
{
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
-(void)viewDidAppear:(BOOL)animated
{
[self.tableView setEditing:YES];
}
// Customize the number of rows in the table view.
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return [tableData count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *cellIdentifier = @"MultiSelectCellController";
UITableViewCell *cell =
[self.tableView dequeueReusableCellWithIdentifier:cellIdentifier];
UIImageView *indicator;
UILabel *textLabel;
if (!cell)
{
cell =
[[MultiSelectTableViewCell alloc]
initWithFrame:CGRectMake(0, 0, 320,self.tableView.rowHeight)
reuseIdentifier:cellIdentifier];
indicator = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"NotSelected.png"]];
const NSInteger IMAGE_SIZE = 30;
const NSInteger SIDE_PADDING = 5;
indicator.tag = SELECTION_INDICATOR_TAG;
indicator.frame =
CGRectMake(-EDITING_HORIZONTAL_OFFSET + SIDE_PADDING, (0.5 *self.tableView.rowHeight) - (0.5 * IMAGE_SIZE), IMAGE_SIZE, IMAGE_SIZE);
[cell.contentView addSubview:indicator];
textLabel = [[UILabel alloc] initWithFrame:CGRectMake(SIDE_PADDING, 0, 320, self.tableView.rowHeight)];
textLabel.tag = TEXT_LABEL_TAG;
textLabel.textColor = [UIColor blackColor];
textLabel.backgroundColor = [UIColor clearColor];
textLabel.font = [UIFont boldSystemFontOfSize:[UIFont labelFontSize]];
[cell.contentView addSubview:textLabel];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
cell.backgroundView = [[UIView alloc] init];
}
else
{
indicator = (UIImageView *)[cell.contentView viewWithTag:SELECTION_INDICATOR_TAG];
textLabel = (UILabel *)[cell.contentView viewWithTag:TEXT_LABEL_TAG];
}
textLabel.text = [tableData objectAtIndex:[indexPath row]];
if (selected)
{
indicator.image = [UIImage imageNamed:@"IsSelected.png"];
cell.backgroundView.backgroundColor = [UIColor colorWithRed:223.0/255.0 green:230.0/255.0 blue:250.0/255.0 alpha:1.0];
}
else
{
indicator.image = [UIImage imageNamed:@"NotSelected.png"];
cell.backgroundView.backgroundColor = [UIColor whiteColor];
}
return cell;
}
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 45;
}
- (BOOL)selected
{
return selected;
}
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if (self.tableView.isEditing)
{
//selected = !selected;
selected=[self selected];
NSNumber *rowNsNum = [NSNumber numberWithUnsignedInt:indexPath.row];
if ([self.selectedRows containsObject:rowNsNum])
[self.selectedRows removeObject:rowNsNum];
else
{
[self.selectedRows addObject:rowNsNum];
NSLog(@"index is:::%@",rowNsNum);
}
[self.tableView performSelector:@selector(reloadData) withObject:nil afterDelay:0.2];
UITableViewCell *cell =[self.tableView cellForRowAtIndexPath:[self indexPathForCellController:[tableData objectAtIndex:[indexPath row]]]];
// [tableView cellForRowAtIndexPath:
// [(RootViewController *)tableView.delegate
// indexPathForCellController:self]];
UIImageView *indicator = (UIImageView *)[cell.contentView viewWithTag:SELECTION_INDICATOR_TAG];
if (selected)
{
indicator.image = [UIImage imageNamed:@"IsSelected.png"];
cell.backgroundView.backgroundColor = [UIColor colorWithRed:223.0/255.0 green:230.0/255.0 blue:250.0/255.0 alpha:1.0];
selected = !selected;
}
else
{
indicator.image = [UIImage imageNamed:@"NotSelected.png"];
cell.backgroundView.backgroundColor = [UIColor whiteColor];
}
}
//
// cell.imageView.image = imgView.image;
}
- (NSIndexPath *)indexPathForCellController:(id)cellController
{
NSLog(@"cell controller is;::%@",cellController);
NSInteger sectionIndex;
// NSInteger sectionCount = [tableData count];
for (sectionIndex = 0; sectionIndex < 1; sectionIndex++)
{
NSArray *section = tableData;
NSInteger rowIndex;
NSLog(@"section count is:::%d",[section count]);
NSInteger rowCount = [section count];
for (rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
NSArray *row = [section objectAtIndex:rowIndex];
NSLog(@"row is:::%@",row);
if ([row isEqual:cellController])
{
selected=YES;
NSLog(@"row index is::%d",rowIndex);
return [NSIndexPath indexPathForRow:rowIndex inSection:sectionIndex];
}
}
}
return nil;
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
MultiSelectTableViewCell.h
#import <UIKit/UIKit.h>
@interface MultiSelectTableViewCell : UITableViewCell
{
}
@end
extern const NSInteger EDITING_HORIZONTAL_OFFSET;
MultiSelectTableViewCell.m
#import "MultiSelectTableViewCell.h"
const NSInteger EDITING_HORIZONTAL_OFFSET = 30;
@implementation MultiSelectTableViewCell
//
// setEditing:animated:
//
// Refreshed the layout when editing is enabled/disabled.
//
- (void)setEditing:(BOOL)editing animated:(BOOL)animated
{
[self setNeedsLayout];
}
//
// layoutSubviews
//
// When editing, displace everything rightwards to allow space for the
// selection indicator.
//
- (void)layoutSubviews
{
[UIView beginAnimations:nil context:nil];
[UIView setAnimationBeginsFromCurrentState:YES];
[super layoutSubviews];
if (((UITableView *)self.superview).isEditing)
{
CGRect contentFrame = self.contentView.frame;
contentFrame.origin.x = 30;
self.contentView.frame = contentFrame;
}
else
{
CGRect contentFrame = self.contentView.frame;
contentFrame.origin.x = 30;
self.contentView.frame = contentFrame;
}
[UIView commitAnimations];
}
@end
raniji ... сначала дать как делегат и источник данных @interface ViewController: UIViewController –
iPatel