How to sort the cell in the tableview by title (title is date in dd/mm/yyyy format)?
My code:
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
NSLog(#"total item in table %lu",(unsigned long)self.items.count);
return self.items.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:#"Cell"
forIndexPath:indexPath];
[self configureCell:cell atIndex:indexPath];
return cell;
}
- (void)configureCell:(UITableViewCell*)cell atIndex:(NSIndexPath*)indexPath {
// Get current Item
Item *item = self.items[indexPath.row];
cell.textLabel.text = item.name; // HERE IS DATE in dd/mm/yyyy format
cell.detailTextLabel.text = item.itemDetails.note;
/*
NSArray *productsOrdered = nil;
productsOrdered = [self.items sortedArrayUsingDescriptors:#[[NSSortDescriptor sortDescriptorWithKey:#"name" ascending:YES]]];
*/
}
}
I get this:
It's not sorted correctly.
I need the newest date up and older dates down in the list.
Sort self.items however you'd like to before calling [self.tableView reloadData];
Related
Help me ! I can not able to insert cells in section tableviews !
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
NSInteger result = 0;
result = [[_dictionoryOfDay allKeys] count];
return result;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
NSInteger result = 0;
NSString *sectionNameInDictionary = [[_dictionoryOfDay allKeys]
objectAtIndex:section];
NSArray *sectionArray = [_dictionoryOfDay objectForKey:
sectionNameInDictionary];
result = [sectionArray count];
return result;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
UICustomTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:#"cellMain" forIndexPath:indexPath];
[cell.btnAddMore addTarget:self action:#selector(actionAddMore:)forControlEvents:UIControlEventTouchUpInside];
cell.btnAddMore.tag = indexPath.section;
return cell;
}
-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{
TableHeaderAvailabel *header;
if(!header){
header = [tableView dequeueReusableHeaderFooterViewWithIdentifier:#"TableHeaderAvailabel"];
}
NSString *result = nil;
result = [[self.dictionoryOfDay allKeys] objectAtIndex:section];
header.lbTitle.text = result;
return header;
}
-(void)actionAddMore:(UIButton *)sender{
}
My guess is that you want to add a row to your section when you tap on a cell's btnAddMore. If that's the case, then the implementation of actionAddMore() should look like
NSString *sectionNameInDictionary = [[_dictionoryOfDay allKeys]
objectAtIndex:section];
NSArray *sectionArray = [_dictionoryOfDay objectForKey:
sectionNameInDictionary];
// Create whatever you use to populate rows
[sectionArray addObject: <your new object>];
_dictionaryOfDay[sectionNameInDictionary] = sectionArray;
[self.tableView reloadData]; // Or just load the new cell, but this is easier
I have UITableView to show whole bunch of words from array.
I also provide search bar on top of table view so when people type a word in textbox search then my code start filtering data from array.
My result is good but my scroll in tableview is never end even though there is only one row.
My tableview result can scroll down and down without no row.
I don't know what going on with my table view.
My code that I have implement.
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
if(self.tableView == tableView){
return [self.alphabet count];
}else{
return 1;
}
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if (self.tableView == tableView) {
return [[self.vocabularyInfo objectAtIndex:section] count];
}else{
return [self.filteredVocabs count];
}
}
-(NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
return [self.alphabet objectAtIndex:section];
}
- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView
{
if(self.tableView == tableView){
return self.alphabet;
}else{
return nil;
}
}
// Display cell
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *cellIdentifier = #"CommentTableCell";
//-- try to get a reusable cell --
CommentTableCell *cell = (CommentTableCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
//-- create new cell if no reusable cell is available --
if (cell == nil)
{
NSArray *nib = [[NSBundle mainBundle] loadNibNamed:cellIdentifier owner:self options:nil];
cell = [nib objectAtIndex:0];
}
VocabularyController *vc;
// Display word from database else display vocabulary when searching
if (tableView != self.searchDisplayController.searchResultsTableView) {
vc = [self.vocabularyInfo[indexPath.section] objectAtIndex:indexPath.row];
}else{
vc = [self.filteredVocabs objectAtIndex:indexPath.row];
}
cell.nameLabel.text = vc.korean;
return cell;
}
// My method that I used for filtering my array to display the result
- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString{
if (searchString.length > 0) {
NSArray *vocabToSearch = self.vocabularyInfo;
if (self.currentSearchString.length > 0 && [searchString rangeOfString:self.currentSearchString].location == 0) {
vocabToSearch = self.filteredVocabs;
}
NSPredicate *predicate = [NSPredicate predicateWithFormat:#"korean CONTAINS[cd] %#", searchString];
self.filteredVocabs = [vocabToSearch filteredArrayUsingPredicate:predicate];
} else {
self.filteredVocabs = self.vocabularyInfo;
}
self.currentSearchString = searchString;
return YES;
}
Please help me!!
Check your tableview's datasource delegate function.
Maybe more detail about your implementation is helpful.
Please check the value you are returning for the number of rows in the following method:
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
I am facing new problem.In my app, i am getting data by using NSXmlParser.
After parsing data , i am creating UITableview manually.
Here is my code,
-(void) connectionDidFinishLoading:(NSURLConnection *)connection
{
parser = [[NSXMLParser alloc]initWithData:self.cData];
parser.delegate = self ;
[parser parse];
tableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 20, 320, 460) style:UITableViewStylePlain];
tableView.dataSource = self;
tableView.delegate = self;
[self.view addSubview:tableView];
}
This is my delegates methods
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return eventName.count;
}
-(void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath
{
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier]autorelease];
}
for (int i=0; i < eventName.count; i++)
{
cell.textLabel.text = [eventName objectAtIndex:i];
NSLog(#"%#",cell.textLabel.text);
}
return cell;
}
Instead of checking i in the for loop, remove the for loop and look for indexPath.row in-
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
...
cell.textLabel.text = [eventName objectAtIndex:indexPath.row];
...
}
It will be called as many times as the value returned by-
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{}
I am making an settings screen in which you can select stations via a uisearchbar. I have a sectioned tableview, with the first letter of a station as the header and every station is categorized by it's first letter. So far so good.
I habe 2 NSMutableArray's with, per section, the stations. One is the unfiltered array (Which I use when I don't have it filtered) and the other one, when I am searching for something. (I do this via a predicate). On every keypress on the keyboard I do a [self.tableView reloadData]; this works, HOWEVER the scrollview stays too long! So you can scroll way past how many results are actually in the selected array. This causes a crash, because it's trying to get objects that don't exist.
So it seems like the tableview isn't counting the array right or something?
Is anyone familiar with this problem?
Here is some code:
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
if (self.searching) {
return [self.tableFilterd count];
} else {
return [self.tableData count];
}
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
NSLog(#"Rows for section");
// Return the number of rows in the section.
if (self.searching) {
NSLog(#"Editing section: %i, count %i", section, [[self.tableFilterd objectAtIndex:section] count]);
return [[self.tableFilterd objectAtIndex:section] count];
} else {
NSLog(#"Not editing");
return [[self.tableData objectAtIndex:section] count];
}
}
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
SettingsHeaderCell *cell = [[[SettingsHeaderCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:#"HeaderCell"] autorelease];
cell.labelLetter.text = [[self.tableLetters objectAtIndex:section] capitalizedString];
return cell;
}
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
return 40;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
return 52;
}
- (UITableViewCell *)tableView:(UITableView *)theTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = #"Cell";
SettingsCell *cell = [theTableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[SettingsCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
}
if (self.searching) {
StationObject *object = (StationObject *)[[self.tableFilterd objectAtIndex:indexPath.section] objectAtIndex:indexPath.row];
[cell setStationObject:object];
} else {
StationObject *object = (StationObject *)[[self.tableData objectAtIndex:indexPath.section] objectAtIndex:indexPath.row];
[cell setStationObject:object];
}
return cell;
}
You might have solved this by now but I suspect you aren't emptying either arrays. In the method:
- (void)searchBar:(UISearchBar *)theSearchBar textDidChange:(NSString *)searchText
{
//Remove all objects first
[self.tableFiltered removeAllObjects];
[self.tableData removeAllObjects];
Also you only need to call [self.tableView reloadData]; in textDidChange, not in the other three methods. Hope this helps.
I am experiencing a strange issue with this code.
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
}
// Configure the cell...
if (accounts != nil) {
NSLog(#"Cell: %#", indexPath.row);
cell.textLabel.text = [self.accounts objectAtIndex: indexPath.row];
}
else
{
NSLog(#"No cells!");
[cell.textLabel setText:#"No Accounts"];
}
return cell;
}
My table view populates just fine, except all rows contain the first item in my NSMutableArray, accounts. I am logging the value of indexPath.row and it remains at (null) no matter how many values are in the array. Am I doing something wrong here?
I don't believe this! I am bonking myself on the head for not finding this sooner!
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return [accounts count]; //<--This is wrong!!!
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return 1; // <--This needs to be switched with the error above
}
The above code was the reason why it was printing the same row in my array twice, rather than marching forward in my array.
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [accounts count];
}
This code is correct and produces the proper result. What a fuster cluck. ^^;
Should be #"%i", indexPath.row not #"%#", indexPath.row
Also I recommend putting this at the top of your method:
NSUInteger row = [indexPath row];
Then your method looks like this:
// Cell Ident Stuff
// Then configure cell
if (accounts) {
NSLog(#"Cell: %i", row);
cell.textLabel.text = [self.accounts objectAtIndex:row];
}
else {
NSLog(#"No accounts!");
// Only setting for the first row looks nicer:
if (row == 0) cell.textLabel.text = #"No Accounts";
}
It's good practice when dealing with table view methods. Try that.