UITableViewCell UITableViewCellStateShowingEditControlMask
Constants used to determine the new state of a cell as it transitions between states.
enum {
UITableViewCellStateDefaultMask = 0,
UITableViewCellStateShowingEditControlMask = 1 << 0,
UITableViewCellStateShowingDeleteConfirmationMask = 1 << 1
};
Constants
UITableViewCellStateDefaultMask
The normal state of a table cell.
UITableViewCellStateShowingEditControlMask
The state of a table view cell when the table view is in editing mode.
UITableViewCellStateShowingDeleteConfirmationMask
The state of a table view cell that shows a button requesting confirmation of a delete gesture.
Discussion of [UITableViewCell UITableViewCellStateShowingEditControlMask]
The methods that use these constants are didTransitionToState: and willTransitionToState:.
UITableViewCell UITableViewCellStateShowingEditControlMask example.
- (void)willTransitionToState:(UITableViewCellStateMask)state
{
NSString *logStr = @"Invoked";
if ((state & UITableViewCellStateShowingEditControlMask)
!= 0) {
// you need to move the controls in left
logStr = [NSString stringWithFormat:@"%@
%@",logStr,@"UITableViewCellStateShowingEditControlMask"];
}
if ((state & UITableViewCellStateShowingDeleteConfirmationMask)
!= 0) {
// you need to hide the controls for the delete button
logStr = [NSString stringWithFormat:@"%@
%@",logStr,@"UITableViewCellStateShowingDeleteConfirmationMask"];
}
NSLog(@"%@",logStr);
[super willTransitionToState:state];
}
{
NSString *logStr = @"Invoked";
if ((state & UITableViewCellStateShowingEditControlMask)
!= 0) {
// you need to move the controls in left
logStr = [NSString stringWithFormat:@"%@
%@",logStr,@"UITableViewCellStateShowingEditControlMask"];
}
if ((state & UITableViewCellStateShowingDeleteConfirmationMask)
!= 0) {
// you need to hide the controls for the delete button
logStr = [NSString stringWithFormat:@"%@
%@",logStr,@"UITableViewCellStateShowingDeleteConfirmationMask"];
}
NSLog(@"%@",logStr);
[super willTransitionToState:state];
}
Example of [UITableViewCell UITableViewCellStateShowingEditControlMask].
- (void)layoutSubviews
{
[super layoutSubviews];
self.contentView.frame = CGRectMake(0,
self.contentView.frame.origin.y,
self.contentView.frame.size.width,
self.contentView.frame.size.height);
if (self.editing
&& ((state & UITableViewCellStateShowingEditControlMask)
&& !(state & UITableViewCellStateShowingDeleteConfirmationMask)) ||
((state & UITableViewCellStateShowingEditControlMask)
&& (state & UITableViewCellStateShowingDeleteConfirmationMask)))
{
float indentPoints = self.indentationLevel * self.indentationWidth;
self.contentView.frame = CGRectMake(indentPoints,
self.contentView.frame.origin.y,
self.contentView.frame.size.width - indentPoints,
self.contentView.frame.size.height);
}
}
{
[super layoutSubviews];
self.contentView.frame = CGRectMake(0,
self.contentView.frame.origin.y,
self.contentView.frame.size.width,
self.contentView.frame.size.height);
if (self.editing
&& ((state & UITableViewCellStateShowingEditControlMask)
&& !(state & UITableViewCellStateShowingDeleteConfirmationMask)) ||
((state & UITableViewCellStateShowingEditControlMask)
&& (state & UITableViewCellStateShowingDeleteConfirmationMask)))
{
float indentPoints = self.indentationLevel * self.indentationWidth;
self.contentView.frame = CGRectMake(indentPoints,
self.contentView.frame.origin.y,
self.contentView.frame.size.width - indentPoints,
self.contentView.frame.size.height);
}
}
UITableViewCell UITableViewCellStateShowingEditControlMask example.
- (void)willTransitionToState:(UITableViewCellStateMask)state {
[super willTransitionToState:state];
if (state == UITableViewCellStateDefaultMask) {
NSLog(@"Default");
// When the cell returns to normal (not editing)
// Do something...
} else if ((state & UITableViewCellStateShowingEditControlMask) && (state & UITableViewCellStateShowingDeleteConfirmationMask)) {
NSLog(@"Edit Control + Delete Button");
// When the cell goes from Showing-the-Edit-Control (-) to Showing-the-Edit-Control (-) AND the Delete Button [Delete]
// !!! It's important to have this BEFORE just showing the Edit Control because the edit control applies to both cases.!!!
// Do something...
} else if (state & UITableViewCellStateShowingEditControlMask) {
NSLog(@"Edit Control Only");
// When the cell goes into edit mode and Shows-the-Edit-Control (-)
// Do something...
} else if (state == UITableViewCellStateShowingDeleteConfirmationMask) {
NSLog(@"Swipe to Delete [Delete] button only");
// When the user swipes a row to delete without using the edit button.
// Do something...
}
}
[super willTransitionToState:state];
if (state == UITableViewCellStateDefaultMask) {
NSLog(@"Default");
// When the cell returns to normal (not editing)
// Do something...
} else if ((state & UITableViewCellStateShowingEditControlMask) && (state & UITableViewCellStateShowingDeleteConfirmationMask)) {
NSLog(@"Edit Control + Delete Button");
// When the cell goes from Showing-the-Edit-Control (-) to Showing-the-Edit-Control (-) AND the Delete Button [Delete]
// !!! It's important to have this BEFORE just showing the Edit Control because the edit control applies to both cases.!!!
// Do something...
} else if (state & UITableViewCellStateShowingEditControlMask) {
NSLog(@"Edit Control Only");
// When the cell goes into edit mode and Shows-the-Edit-Control (-)
// Do something...
} else if (state == UITableViewCellStateShowingDeleteConfirmationMask) {
NSLog(@"Swipe to Delete [Delete] button only");
// When the user swipes a row to delete without using the edit button.
// Do something...
}
}
