In my UITableView "tableview" I added checkboxes in each row using UITableView default functionality.
- (void)viewDidLoad {
[tableview setEditing:YES animated:YES];
}
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 3;
}
I can select only Multiple checkboxes.But I want to select all the checkboxes using a button click.I can use didSelectRowAtIndexPath to loop through all the rows and get the contents but the checkboxes stays unchecked.
- (IBAction)selectallbutton:(id)sender {
NSInteger nRows=[arr count];
for(int i=0;i<nRows;i++){
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:i inSection:0];
[self tableView:tableview didSelectRowAtIndexPath:indexPath];
}
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
NSLog(#"%#",[arr objectAtIndex:indexPath.row]);
}
Is it possible to check them all using this approach or should I try another way?
try this,
- (IBAction)selectallbutton:(id)sender {
NSInteger nRows=[arr count];
for(int i=0;i<nRows;i++){
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:i inSection:0];
UITableViewCell *cell = [tableview cellForRowAtIndexPath:indexPath];
[cell setSelected:YES animated:NO]; //you can change animated:YES if needed
}
}
Related
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
[tableView beginUpdates]; // tell the table you're about to start making changes
if ([indexPath compare:self.expandedIndexPath] == NSOrderedSame) {
self.expandedIndexPath = nil;
} else {
self.expandedIndexPath = indexPath;
}
[tableView endUpdates]; // tell the table you're done making your changes
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
if ([indexPath compare:self.expandedIndexPath] == NSOrderedSame) {
return 200.0; // Expanded height
}
return 44.0; // Normal height
}
- (void)pieChart:(XYPieChart *)pieChart didSelectSliceAtIndex:(NSUInteger)index
{
This is a function of getting the index , when clicking a pie chart.
what i need to do is expand the corresponding row of table when pie is selected
}
#end
If i got your idea you need to select the row at index path
- (void)pieChart:(XYPieChart *)pieChart didSelectSliceAtIndex:(NSUInteger)index
{
// get indexPath with index
// remember if you have few sections then you will need to update inSection:0 value
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:index inSection:0];
[yourTableView selectRowAtIndexPath:indexPath
animated:NO
scrollPosition:UITableViewScrollPositionNone];
// This will also Highlighted the row. Then delegate
[yourTableView.delegate someTableView didSelectRowAtIndexPath:indexPath];
}
I have an issue when using multiple table view sections. I am trying to change the alpha for a cell when the user taps it. Each section in the table view has one row.
Here is my code.
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
NSIndexPath *indexPathInSection = [NSIndexPath indexPathForRow:0 inSection:indexPath.section];
[tableView cellForRowAtIndexPath:indexPathInSection].contentView.alpha = 0.2f;
}
- (void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath{
NSIndexPath *indexPathInSection = [NSIndexPath indexPathForRow:0 inSection:indexPath.section];
[tableView cellForRowAtIndexPath:indexPathInSection].contentView.alpha = 1.0f;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
MatchCell *cell = (MatchCell *)[self cellForIdentifier:tableView:#"MatchCell"];
MatchedUser *user = (MatchedUser *)(self.matches)[indexPath.section];
[self configureMatchCell:cell :user :tableView];
NSIndexPath *selection = [NSIndexPath indexPathForRow:0 inSection:indexPath.section];
if (selection.section == indexPath.section && cell.isSelected){
cell.contentView.alpha = 0.2f;
}else{
cell.contentView.alpha = 1.0f;
}
return cell;
}
The alpha is applied to the cell that is tapped but other cells are also changed. This is because it is applied according to the row number not the section and row number. How can I specify the cell at the section and row index only?
Thanks.
I have a UITableView with 10 rows. By clicking on the first row I want to scroll to row 5 of the UITableView.
How can i do that?
Try this:
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath;
{
if (indexPath.row == 0) {
[tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:5 inSection:0] atScrollPosition:UITableViewScrollPositionTop animated:YES];
}
}
Should work!
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if(indexPath.row == 0) {
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:4 inSection:0];
[tableView scrollToRowAtIndexPath:indexPath atScrollPosition:UITableViewScrollPositionTop animated:YES];
}
}
I have uitableview and it has 1 button "TOP" in each row. I want to when user click on this button, this row has been push on top in Uitableview ( with animation). Can i reuse BVReorderTableView to do that? How can i do that? Thanks much
i am assuming your -cellForRowAtIndexPath loads cell contents from an array such as the one i named arrObjects which:
is an NSMutableArray object
has many NSString objects
something like:
- (UITableViewCell *)tableView:(UITableView *)tableView
cellForRowAtIndexPath:(NSIndexPath *)indexPath {
//...
[cell.textLabel setText:[arrObjects objectAtIndex:indexPath.row]];
UIButton *btnUp = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[btnUp setFrame:CGRectMake(0, 0, 30, 30)];
//[btnUp setTag:100];
[btnUp setTitle:#"\u261D" forState:UIControlStateNormal];
[btnUp addTarget:self
action:#selector(moveToTop:)
forControlEvents:UIControlEventTouchUpInside];
[cell setAccessoryView:btnUp];
return cell;
}
- (void)moveToTop:(UIButton *)sender
{
UITableViewCell *cell = (UITableViewCell *)sender.superview; //iOS6 prior
//UITableViewCell *cell = (UITableViewCell *)sender.superview.superview; //iOS7
NSIndexPath *indexPath = [self.tableView indexPathForCell:cell];
//uncomment lines for safety, incase indexPath ever comes nil... prevent the crash
//if (indexPath == nil) {
// return;
//}
//1. move and animate row to top
[self.tableView moveRowAtIndexPath:[NSIndexPath indexPathForItem:indexPath.row
inSection:indexPath.section]
toIndexPath:[NSIndexPath indexPathForItem:0
inSection:indexPath.section]];
//2. make appropriate changes to the datasource
//so that it reflects logically and is not just an aestehtical change
//PRE-NOTE:
//arrObjects is an object of a category on NSMutableArray
//with a custom instance method named -moveObjectFromIndexPath:toIndex:
//uncomment the following line when you are ready with the category
//[arrObjects moveObjectFromIndex:indexPath.row toIndex:0];
}
the category is easy to create, follow:
http://www.icab.de/blog/2009/11/15/moving-objects-within-an-nsmutablearray/
other links to try:
http://adeem.me/blog/2009/05/29/iphone-sdk-tutorial-add-delete-reorder-uitableview-row/
http://learn-iphone-app-development.com/2011/01/31/tables-part-iii-%E2%80%94-re-ordering-moving-cells-and-swipe-to-delete/
have you tried
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath;
you can use animations if you want so..
You can easy do that like this:
[self.tableView setContentOffset:CGPointMake(0, 0) animated:YES];
or:
[self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0] atScrollPosition:UITableViewScrollPositionBottom animated:YES];
or:
[self.tableView scrollRectToVisible:CGRectMake(0.f, 0.f, CGRectGetWidth(self.tableView.frame), CGRectGetHeight(self.tableView.frame)) animated:YES];
Edit
Sorry, I misunderstood what you meant.
You should do that like this:
[tableView moveRowAtIndexPath:indexPath toIndexPath:[NSIndexPath indexPathForRow:0 inSection:0]];
If you want to tableView scroll to the top immediately after move the cell, you can try the above code.
Edit
// A more detailed description
- (void)buttonHandle:(UIButton *)sender {
// Assuming button is added directly on the cell.
UITableViewCell *cell = (UITableViewCell *)sender.superview;
NSIndexPath *indexPath = [tableView indexPathForCell:cell];
[tableView moveRowAtIndexPath:indexPath toIndexPath:[NSIndexPath indexPathForRow:0 inSection:0]];
}
Suppose there is Custom Cell A & B of different Height.
Custom Cell A is loaded Default on UITableView. When User will Select Cell A it will remove that Cell and Add Cell B to that Position and vise versa. It will do the animation of re-sizing in Accordion style.
To do this, you should have a property (or key if using a dictionary) in your data array to keep track of what cell you want at each indexPath, and use an if-else statement in cellFroRowAtIndexPath to dequeue the correct cell. In didSelectRowAtIndexPath, you would check that property, set it to the opposite one, and then reload the table. You would also need to implement heightForRowAtIndexPath, and check that same property to determine which height to return.
After Edit:
If you just need to keep track of one selected cell, then create a property (I call it selectedPath) to hold that value and check it in heightForRowAtIndexPath and cellForRowAtIndexPath. I created two cells in the storyboard, one a simple UITableViewCell and the other a custom cell of class RDCell. I'm not sure if this gives the animation you want, but give it a try and see if it's close:
#import "TableController.h"
#import "RDCell.h"
#interface TableController ()
#property (strong,nonatomic) NSArray *theData;
#property (nonatomic) NSIndexPath *selectedPath;
#end
#implementation TableController
- (void)viewDidLoad {
[super viewDidLoad];
self.theData = #[#"One",#"Two",#"Three",#"Four",#"Five",#"Six",#"Seven",#"Eight"];
self.selectedPath = [NSIndexPath indexPathForRow:-1 inSection:0];
[self.tableView reloadData];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.theData.count;
}
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
if ([self.selectedPath isEqual:indexPath]) {
return 90;
}else{
return 44;
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
if ([self.selectedPath isEqual:indexPath]) {
RDCell *cell = [tableView dequeueReusableCellWithIdentifier:#"RDCell" forIndexPath:indexPath];
cell.label.text = self.theData[indexPath.row];
return cell;
}else{
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:#"Cell" forIndexPath:indexPath];
cell.textLabel.text = self.theData[indexPath.row];
return cell;
}
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
NSIndexPath *oldPath = self.selectedPath;
self.selectedPath = indexPath;
[self.tableView reloadRowsAtIndexPaths:#[indexPath,oldPath] withRowAnimation:UITableViewRowAnimationAutomatic];
}
**Got this amazing Solution, its working great...**
#implementation NetworkCentreTable
{
NSMutableArray *arr;
BOOL chk;
int onSelectCount;
NSIndexPath *onSelectTrack;
}
- (void)viewDidLoad
{
[super viewDidLoad];
arr=[[NSMutableArray alloc] initWithObjects:#"1",#"1",#"1",#"1",#"1",#"1",#"1",#"1",#"1",nil];
onSelectCount=0;
static NSString *CellIdentifier1 = #"NetworkCell2";
UINib *nib = [UINib nibWithNibName:#"NetworkCentreCellBig" bundle:nil];
[self.tblNetworkCentre registerNib:nib forCellReuseIdentifier:CellIdentifier1];
}
#pragma mark -
#pragma mark Custom Network TableView delegate and Datasource
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return [arr count];
}
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
return 1;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString *CellIdentifier1 = #"NetworkCentreCell";
static NSString *CellIdentifier2 = #"NetworkCentreCellBig";
if(self.selectedRowIndex && indexPath.row == self.selectedRowIndex.integerValue)
{
NetworkCentreCell *cell = (NetworkCentreCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier2];
UIViewController *controller=[[UIViewController alloc] initWithNibName:CellIdentifier2 bundle:nil];
cell=(NetworkCentreCell *)controller.view;
return cell;
}
else
{
NetworkCentreCell *cell = (NetworkCentreCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier1];
UIViewController *controller=[[UIViewController alloc] initWithNibName:CellIdentifier1 bundle:nil];
cell=(NetworkCentreCell *)controller.view;
return cell;
}
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
onSelectCount++;
NSLog(#"num=%d",onSelectCount);
self.selectedIndexPath = indexPath;
[tableView reloadRowsAtIndexPaths:#[indexPath] withRowAnimation: UITableViewRowAnimationNone];
self.selectedRowIndex = [NSNumber numberWithInteger:indexPath.row];
[self.tblNetworkCentre deselectRowAtIndexPath:indexPath animated:YES];
//First we check if a cell is already expanded.
//If it is we want to minimize make sure it is reloaded to minimize it back
if( onSelectCount==1 )
{
[tableView beginUpdates];
NSIndexPath *previousPath = [NSIndexPath indexPathForRow:self.selectedRowIndex.integerValue inSection:0];
self.selectedRowIndex = [NSNumber numberWithInteger:indexPath.row];
onSelectTrack=indexPath;
[tableView reloadRowsAtIndexPaths:[NSArray arrayWithObject:previousPath] withRowAnimation:UITableViewRowAnimationFade];
[tableView endUpdates];
}
if(onSelectTrack.row!=indexPath.row)
{
[tableView beginUpdates];
[tableView reloadRowsAtIndexPaths:[NSArray arrayWithObject:onSelectTrack] withRowAnimation:UITableViewRowAnimationFade];
[tableView endUpdates];
onSelectTrack=indexPath;
onSelectCount=0;
[self tableView:tableView didSelectRowAtIndexPath:onSelectTrack];
}
if(self.selectedRowIndex.integerValue == indexPath.row && onSelectCount==2)
{
[tableView beginUpdates];
self.selectedRowIndex = [NSNumber numberWithInteger:-1];
[tableView reloadRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
onSelectCount=0;
[tableView endUpdates];
}
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
if(self.selectedRowIndex && indexPath.row == self.selectedRowIndex.integerValue)
{
return 280;
}else{
return 85;
}
}
You can call [yourTableview reloadData] in didSelectRowAtIndexPath method.
Then in numberOfRowsInSection give a new count. In heightForRowAtIndexpath specify the custom heights.
In cellForRowAtIndexpath add custom cells.