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Room Settings: Prompt user to save changes when Members list tab is selected

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This commit is contained in:
giomfo
2016-06-24 15:48:16 +02:00
parent 572fdb94ba
commit 5742c89791
4 changed files with 76 additions and 46 deletions
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Vector/ViewController/RoomSettingsViewController.m
+52 -36
View File
@@ -155,10 +155,21 @@ NSString *const kRoomSettingsMuteNotifKey = @"kRoomSettingsMuteNotifKey";
}
}
// this method is called when the viewcontroller is displayed inside another one.
// Those methods are called when the viewcontroller is added or removed from a container view controller.
- (void)willMoveToParentViewController:(nullable UIViewController *)parent
{
// Prompt user to save changes (if any) when the view controller is removed
if (!parent && updatedItemsDict.count)
{
[self promptUserToSaveChanges];
}
[super willMoveToParentViewController:parent];
}
- (void)didMoveToParentViewController:(nullable UIViewController *)parent
{
[super didMoveToParentViewController:parent];
[self setNavBarButtons];
}
@@ -235,6 +246,44 @@ NSString *const kRoomSettingsMuteNotifKey = @"kRoomSettingsMuteNotifKey";
}
}
- (void)promptUserToSaveChanges
{
// ensure that the user understands that the updates will be lost if
[currentAlert dismiss:NO];
__weak typeof(self) weakSelf = self;
currentAlert = [[MXKAlert alloc] initWithTitle:nil message:NSLocalizedStringFromTable(@"room_details_with_updates", @"Vector", nil) style:MXKAlertStyleAlert];
currentAlert.cancelButtonIndex = [currentAlert addActionWithTitle:[NSBundle mxk_localizedStringForKey:@"no"] style:MXKAlertActionStyleCancel handler:^(MXKAlert *alert) {
if (weakSelf)
{
__strong __typeof(weakSelf)strongSelf = weakSelf;
strongSelf->currentAlert = nil;
[strongSelf->updatedItemsDict removeAllObjects];
[strongSelf withdrawViewControllerAnimated:YES completion:nil];
}
}];
[currentAlert addActionWithTitle:[NSBundle mxk_localizedStringForKey:@"yes"] style:MXKAlertActionStyleDefault handler:^(MXKAlert *alert) {
if (weakSelf)
{
__strong __typeof(weakSelf)strongSelf = weakSelf;
strongSelf->currentAlert = nil;
[strongSelf onSave:nil];
}
}];
[currentAlert showInViewController:self];
}
#pragma mark - actions
- (void)textViewDidChange:(UITextView *)textView
@@ -302,43 +351,10 @@ NSString *const kRoomSettingsMuteNotifKey = @"kRoomSettingsMuteNotifKey";
- (IBAction)onCancel:(id)sender
{
// if there are some updated fields
// Check whether some changes have been done
if (updatedItemsDict.count)
{
// ensure that the user understands that the updates will be lost if
[currentAlert dismiss:NO];
__weak typeof(self) weakSelf = self;
currentAlert = [[MXKAlert alloc] initWithTitle:nil message:NSLocalizedStringFromTable(@"room_details_with_updates", @"Vector", nil) style:MXKAlertStyleAlert];
currentAlert.cancelButtonIndex = [currentAlert addActionWithTitle:NSLocalizedStringFromTable(@"cancel", @"Vector", nil) style:MXKAlertActionStyleCancel handler:^(MXKAlert *alert) {
if (weakSelf)
{
__strong __typeof(weakSelf)strongSelf = weakSelf;
strongSelf->currentAlert = nil;
[strongSelf->updatedItemsDict removeAllObjects];
[strongSelf withdrawViewControllerAnimated:YES completion:nil];
}
}];
[currentAlert addActionWithTitle:NSLocalizedStringFromTable(@"save", @"Vector", nil) style:MXKAlertActionStyleDefault handler:^(MXKAlert *alert) {
if (weakSelf)
{
__strong __typeof(weakSelf)strongSelf = weakSelf;
strongSelf->currentAlert = nil;
[strongSelf onSave:nil];
}
}];
[currentAlert showInViewController:self];
[self promptUserToSaveChanges];
}
else
{