I can get a reference to the cell quite easily
cell = [self.tableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0]];
But I need to get a reference to the little handle on the righthand side of the cell when in edit/reorder mode. How can I do this?
you can find it with this code, but the reorder-control is private-api
for (UIView *view in cell.subviews) {
if ([NSStringFromClass([view class]) isEqualToString:#"UITableViewCellReorderControl"]) {
// 'view' is the reorder control
}
}
You need to use the editingAccessoryView property on your cell :
cell = [self.tableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0]];
UIView *editingAccessory = cell.editingAccessoryView;
Related
I have an old iOS app written in objective c. It has several UILabels that has given fixed x,y,width and height. Now what I want to do is when click on the acessoryView expand the cell and expand the UILabels inside it. Also I want to change the positions of those UILabels. So far I have done cell expanding part in this way.
- (void)expandCell :(UIButton *)sender {
NSLog(#"NSINdex Path-------%li",(long)sender.tag);
NSIndexPath *newIndexPath = [NSIndexPath indexPathForRow:sender.tag inSection:0];
MetadataTableViewCell *cell = [_metadataListTVCTableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:sender.tag inSection:0]];
if (newIndexPath == cellExpandedRow) {
cell.isExpanded = true;
}
else {
cell.isExpanded = false;
}
cellExpandedRow = newIndexPath;
[_metadataListTVCTableView beginUpdates];
[_metadataListTVCTableView reloadRowsAtIndexPaths:#[[NSIndexPath indexPathForItem: sender.tag inSection:0]] withRowAnimation:UITableViewRowAnimationFade];
[_metadataListTVCTableView endUpdates];
[_metadataListTVCTableView reloadData];
}
But I have no idea where I can do inner label frame updatings. Please help me. Thanks
My Project:
I have an UITableView in My project. Each and every UITableViewCell have one UITextView as a subview. When user tap on 'Add' button, I need to add one more UITableViewCell with UITextView to UITableView and I have to set focus into the added UITextView.
What I've Tried:
Once user tap on add button, I will update the numberOfRowsInSection of UITableView and subsequently I'll call [UITableView reloadData] to invoke [UITableView cellForRowAtIndexPath]. Here, I'll append the UITextView as subview of UITableViewCell.It Works fine until this point.
My problem:
I need to set focus into the UITextView Once after the [UITableView cellForRowAtIndexPath] get called. When I called the set focus method for UITextView after [UITableView reloadData], It is not working. I want to know, Is there any callback method for [UITableView cellForRowAtIndexPath]?
Thanks for your answers.
Try this,
In Add button action
//Assuming only 1 section, if you have more section find sections by `numberOfSections` method
NSInteger totalRows = [self.tableView numberOfRowsInSection:0];
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:totalRows inSection:0];
[tableView beginUpdates];
[tableView insertRowsAtIndexPaths:#[indexPath] withRowAnimation:UITableViewRowAnimationNone];
[tableView endUpdates];
//If you have custom cell
CustomCell *cell = (CustomCell *)[self.tableView cellForRowAtIndexPath:indexPath];
[cell.textView becomeFirstResponder];
//If you are not using custom cell, then set tag to textView and
//UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
//UITextView *textView = (UITextView *)[cell viewWithTag:kTextViewTag];
//[textView becomeFirstResponder];
after you have called your reloadData method you can do something like this:
To get a reference to the last row in the last section…
// First figure out how many sections there are
NSInteger lastSectionIndex = [self.myTableView numberOfSections] - 1;
// Then grab the number of rows in the last section
NSInteger lastRowIndex = [self.myTableView numberOfRowsInSection:lastSectionIndex] - 1;
// Now just construct the index path
NSIndexPath *pathToLastRow = [NSIndexPath indexPathForRow:lastRowIndex inSection:lastSectionIndex];
//Grab a reference of your cell from the last row
MyCustomCell *myCC = [self.myTableView cellForRowAtIndexPath:pathToLastRow];
//Use this cell reference to set focus to your UITextView
[myCC.myTextView setFirstResponder:YES];
I don't know why this doesn't work. indexOfIcon is correct, section is correct (checked with NSLog) If I select one everything is correct. But this line doesn't do a thing...why? If selected it should have a blue border. This works great while doing it "manually" but not with code..
- (void)viewWillAppear:(BOOL)animated
{
NSUInteger indexOfIcon;
if(self.mainCategory.icon){
indexOfIcon = [self.icons indexOfObject: self.mainCategory.icon];
} else {
indexOfIcon = 0;
}
[self.collectionView selectItemAtIndexPath:[NSIndexPath indexPathForRow:indexOfIcon inSection:0] animated:YES scrollPosition:UICollectionViewScrollPositionBottom];
}
add
UICollectionViewCell *cell = [collectionView cellForItemAtIndexPath:indexPath];
cell.selected = YES;
and the cell will be selected.
The command [self.collectionView selectItemAtIndexPath:[NSIndexPath indexPathForRow:indexOfIcon inSection:0] animated:YES scrollPosition:UICollectionViewScrollPositionBottom]; tells the collectionView, that the cell is in selected state, but don't set the state of the cell.
After years selection seems to work fine (even in viewDidLoad:)
NSIndexPath *indexPath = [NSIndexPath indexPathForItem:0 inSection:0];
[_collection selectItemAtIndexPath:indexPath animated:NO scrollPosition:UICollectionViewScrollPositionLeft];
successfully triggers cell's -setSelected:
Currently I have a UITableView with custom cells and in each cell there is a UITextField, the problem is that sometimes the UITextField is covered by the UIKeyboard.
So right now I have the Y coordinate for the UIKeyboard and my UITableView is functioning properly with the cells.
So pretty much how can I use that Y coordinate (float), in order to scroll my UITableView to that Y coordinate plus the height of the cell in order to get it right above my UIKeyboard?
Also when I the keyboard hides, how would I reset the UITableView to its normal position that it was in?
Any advice would be appreciated!
Thanks!
CustomCell *cell = (CustomCell*)[[thetextField superview] superview];
CGRect cellRect = [cell convertRect:cell.frame toView:self.view];
float bottomCell = cellRect.origin.y - cellRect.size.height;
if (bottomCell >= keyboardY) {
NSIndexPath *indexPath = [thetableView indexPathForCell:cell];
[thetableView scrollToRowAtIndexPath:indexPath atScrollPosition:UITableViewScrollPositionTop animated:YES];
}
One or the other of UITableView's
- (void)scrollToRowAtIndexPath:(NSIndexPath *)indexPath atScrollPosition:(UITableViewScrollPosition)scrollPosition animated:(BOOL)animated;
- (void)scrollToNearestSelectedRowAtScrollPosition:(UITableViewScrollPosition)scrollPosition animated:(BOOL)animated;
I'm guessing that control isn't getting into the if statement. Consider skipping the y-coordinate check in favor of just scrolling the table view regardless of where it is.
CustomCell *cell = (CustomCell *)[[theTextField superview] superview];
NSIndexPath *indexPath = [theTableView indexPathForCell:cell];
[theTableView scrollToRowAtIndexPath:indexPath atScrollPosition:UITableViewScrollPositionTop animated:YES];
OK, if you're sure it's getting called, then make sure your indexPath isn't nil, which may happen if cell isn't in the tableView or if it's not a cell.
UITableView adjust itself whenever the keyboard is displayed.
However, it won't do it if you didn't set the UITableViewCellSelectionStyle of your custom cell to UITableViewCellSelectionStyleNone.
i solved by using the below code.
[cell setSelectionStyle:UITableViewCellSelectionStyleNone];
I want to add cells into UItableView like in mail.app on ipad. In my cells I have UITextFields, and I have change this method to set focus
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)newIndexPath{
NSLog(#"%d",newIndexPath.row);
UITextField* field = (UITextField *) [tblView viewWithTag: newIndexPath.row];
int l_cellNum = field.tag;
if(l_cellNum == 1 && isAddedNewRow == FALSE){
isAddedNewRow = TRUE;
[cellsArray insertObject:#"CC" atIndex:1];
[cellsArray insertObject:#"BCC" atIndex:2];
CGRect tvbounds = [tblView bounds];
[tblView setBounds:CGRectMake(tvbounds.origin.x,
tvbounds.origin.y,
tvbounds.size.width,
tvbounds.size.height)];
NSIndexPath *path1 = [NSIndexPath indexPathForRow:1 inSection:0];
NSIndexPath *path2 = [NSIndexPath indexPathForRow:2 inSection:0];
NSArray *indexArray = [NSArray arrayWithObjects:path1,path2,nil];
[tblView insertRowsAtIndexPaths:indexArray withRowAnimation:UITableViewRowAnimationTop];
[tblView reloadRowsAtIndexPaths:[NSArray arrayWithObject:newIndexPath] withRowAnimation:UITableViewRowAnimationFade];
}
[field becomeFirstResponder];
}
But when I click to one of the cell i add 2 cells (like mail.app) but my tags for textFields do not updates, and I cant to set focus on it =(. If I call reloaddata method it calls -cellForRowAtIndexPath with this new cells at the beggining and after for all cells, and it will not work too.
It sounds like what you're looking for is a built-in style of cells called UITableViewStyleSubtitle, where you can customize the subtitle just like the iPad Mail.app. Take a look at this page in the iOS documentation. Then, you can set the subtitle of the UITableViewCell to the text that you need.
Additionally, the iOS doc has more information about customizing table view cells.