Question

我已经在桌面视图中填充了Plist扩展部分..现在我想搜索表格。在图片中，您可以看到搜索任何内容时发生的情况。。只是因为我正在搜索它，但需要对搜索结果的cellforrowatindexpath进行一些更改....

请检查代码，让我知道如何搜索plist .. 对于来自plist

的搜索，cellforrowatindexpath和noofrowsinsection应该有哪些更改

first sec

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{


return [self.mySections count];

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
 {
 NSInteger rows = 0;


if ([self tableView:tableView canCollapseSection:section] || !(tableView == self.searchDisplayController.searchResultsTableView) )
{
    if ([expandedSections containsIndex:section] )
    {

        NSString *key = [self.mySections objectAtIndex:section];
        NSArray *dataInSection = [[self.myData objectForKey:key] objectAtIndex:0];

        return [dataInSection count];


    }
    return 1;
 } else if(tableView == self.searchDisplayController.searchResultsTableView) {

     rows = [self.searchResults count];
    return rows;
}

    return 1;


}

 -(NSString *)tableView:(UITableView *)tableView titleForHeaderInSection: (NSInteger)section {
NSString *key = [self.mySections objectAtIndex:section];
return [NSString stringWithFormat:@"%@", key];
}



- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"Cell";

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {

  //some changes required  to display plst
    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:CellIdentifier] ;
}

// Configure the cell...



if ([tableView isEqual:self.searchDisplayController.searchResultsTableView]) {
    cell.textLabel.text = [self.searchResults objectAtIndex:indexPath.row];
}else {

NSUInteger section = [indexPath section];
NSUInteger row = [indexPath row];



NSString *key = [self.mySections objectAtIndex:section];

NSDictionary *dataForSection = [[self.myData objectForKey:key] objectAtIndex:0];
NSArray *array=dataForSection.allKeys;

cell.textLabel.text = [[dataForSection allKeys] objectAtIndex:row];    
cell.detailTextLabel.text=[dataForSection valueForKey:[array objectAtIndex:indexPath.row]];
}

return cell;
}



- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if ([self tableView:tableView canCollapseSection:indexPath.section])
{
    if (!indexPath.row)
    {
        // only first row toggles exapand/collapse
        [tableView deselectRowAtIndexPath:indexPath animated:YES];

        NSInteger section = indexPath.section;
        BOOL currentlyExpanded = [expandedSections containsIndex:section];
        NSInteger rows;


        NSMutableArray *tmpArray = [NSMutableArray array];

        if (currentlyExpanded)
        {
            rows = [self tableView:tableView numberOfRowsInSection:section];
            [expandedSections removeIndex:section];

        }
        else
        {
            [expandedSections addIndex:section];
            rows = [self tableView:tableView numberOfRowsInSection:section];
        }


        for (int i=1; i<rows; i++)
        {
            NSIndexPath *tmpIndexPath = [NSIndexPath indexPathForRow:i 
                                                           inSection:section];
            [tmpArray addObject:tmpIndexPath];
        }

        UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];

        if (currentlyExpanded)
        {
            [tableView deleteRowsAtIndexPaths:tmpArray 
                             withRowAnimation:UITableViewRowAnimationTop];

            cell.accessoryView = [DTCustomColoredAccessory accessoryWithColor:[UIColor grayColor] type:DTCustomColoredAccessoryTypeDown];

        }
        else
        {
            [tableView insertRowsAtIndexPaths:tmpArray 
                             withRowAnimation:UITableViewRowAnimationTop];
            cell.accessoryView =  [DTCustomColoredAccessory accessoryWithColor:[UIColor grayColor] type:DTCustomColoredAccessoryTypeUp];

        }
    }
}
}

- (void)filterContentForSearchText:(NSString*)searchText 
                         scope:(NSString*)scope
{
NSPredicate *resultPredicate = [NSPredicate 
                                predicateWithFormat:@"SELF contains[cd] %@",
                                searchText];

self.searchResults = [self.mySections filteredArrayUsingPredicate:resultPredicate];

}

-(BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString
{
UISearchBar * searchBar = [controller searchBar];
[self filterContentForSearchText:searchString scope:[[searchBar scopeButtonTitles] objectAtIndex:[searchBar selectedScopeButtonIndex]]];
return YES;
}

-(BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption
{
UISearchBar * searchBar = [controller searchBar];
[self filterContentForSearchText:[searchBar text] scope:[[searchBar scopeButtonTitles] objectAtIndex:searchOption]];
return YES;
}

Answer 1

您在numberOfRows中使用的搜索结果应该用于numberOfSections 由于您要过滤节标题而不是行。

Tableview的Plist搜索

1 个答案: