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Created November 14, 2012 19:28
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Hide and showing popovers
// Temporarily hide a popover
- (void)hidePopover:(NSNotification *)notification {
self.hiddenPopoverContent = nil;
if (self.hiddenPopoverController) {
// Save some details of the current state
// Holding on to the content view means we can go back to the same state
self.hiddenPopoverContent = [self.hiddenPopoverController contentViewController];
self.hiddenPopoverContentSize = [self.hiddenPopoverController popoverContentSize];
id <UIPopoverControllerDelegate> popoverDelegate = [self.hiddenPopoverController delegate];
self.hiddenPopoverDelegate = popoverDelegate;
[self.hiddenPopoverController dismissPopoverAnimated:YES];
self.hiddenPopoverHidingInProgress = YES;
if (popoverDelegate) {
[popoverDelegate popoverControllerDidDismissPopover:self.hiddenPopoverController];
self.hiddenPopoverHidingInProgress = NO;
self.hiddenPopoverController = nil;
// Show a popover that had previously been hidden
- (void)showPopover:(NSNotification *)notification {
if (self.hiddenPopoverContent) {
UIPopoverController *popover = [[UIPopoverController alloc] initWithContentViewController:self.hiddenPopoverContent];
if ([popover respondsToSelector:@selector(popoverBackgroundViewClass)]) {
[popover setPopoverBackgroundViewClass:[ZingPopoverBackgroundView class]];
CGSize popSize = self.hiddenPopoverContentSize;
[popover setPopoverContentSize:popSize animated:YES];
[popover setDelegate:self.hiddenPopoverDelegate];
if (self.hiddenPopoverPresentingButton) {
[popover presentPopoverFromBarButtonItem:self.hiddenPopoverPresentingButton permittedArrowDirections:self.hiddenPopoverArrowDirection animated:self.hiddenPopoverAnimated];
} else {
[popover presentPopoverFromRect:self.hiddenPopoverPresentingRect inView:[self view] permittedArrowDirections:self.hiddenPopoverArrowDirection animated:self.hiddenPopoverAnimated];
self.hiddenPopoverController = popover;
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