/* File: AlertsViewController.m Abstract: The view controller for hosting various kinds of alerts and action sheets Version: 2.6 Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc. ("Apple") in consideration of your agreement to the following terms, and your use, installation, modification or redistribution of this Apple software constitutes acceptance of these terms. If you do not agree with these terms, please do not use, install, modify or redistribute this Apple software. 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All Rights Reserved. */ #import "AlertsViewController.h" static NSString *kSectionTitleKey = @"sectionTitleKey"; static NSString *kLabelKey = @"labelKey"; static NSString *kSourceKey = @"sourceKey"; enum AlertTableSections { kUIAction_Simple_Section = 0, kUIAction_OKCancel_Section, kUIAction_Custom_Section, kUIAlert_Simple_Section, kUIAlert_OKCancel_Section, kUIAlert_Custom_Section, }; @implementation AlertsViewController @synthesize dataSourceArray; - (void)dealloc { [dataSourceArray release]; [super dealloc]; } - (void)viewDidLoad { [super viewDidLoad]; self.title = NSLocalizedString(@"AlertTitle", @""); self.dataSourceArray = [NSArray arrayWithObjects: [NSDictionary dictionaryWithObjectsAndKeys: @"UIActionSheet", kSectionTitleKey, @"Show Simple", kLabelKey, @"AlertsViewController.m - dialogSimpleAction", kSourceKey, nil], [NSDictionary dictionaryWithObjectsAndKeys: @"UIActionSheet", kSectionTitleKey, @"Show OK-Cancel", kLabelKey, @"AlertsViewController.m - dialogOKCancelAction", kSourceKey, nil], [NSDictionary dictionaryWithObjectsAndKeys: @"UIActionSheet", kSectionTitleKey, @"Show Customized", kLabelKey, @"AlertsViewController.m - dialogOtherAction", kSourceKey, nil], [NSDictionary dictionaryWithObjectsAndKeys: @"UIAlertView", kSectionTitleKey, @"Show Simple", kLabelKey, @"AlertsViewController.m - alertSimpleAction", kSourceKey, nil], [NSDictionary dictionaryWithObjectsAndKeys: @"UIAlertView", kSectionTitleKey, @"Show OK-Cancel", kLabelKey, @"AlertsViewController.m - alertOKCancelAction", kSourceKey, nil], [NSDictionary dictionaryWithObjectsAndKeys: @"UIAlertView", kSectionTitleKey, @"Show Custom", kLabelKey, @"AlertsViewController.m - alertOtherAction", kSourceKey, nil], nil]; } // called after the view controller's view is released and set to nil. // For example, a memory warning which causes the view to be purged. Not invoked as a result of -dealloc. // So release any properties that are loaded in viewDidLoad or can be recreated lazily. // - (void)viewDidUnload { [super viewDidUnload]; self.dataSourceArray = nil; // this will release and set to nil } #pragma mark - #pragma mark UIActionSheet - (void)dialogSimpleAction { // open a dialog with just an OK button UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"UIActionSheet " delegate:self cancelButtonTitle:nil destructiveButtonTitle:@"OK" otherButtonTitles:nil]; actionSheet.actionSheetStyle = UIActionSheetStyleDefault; [actionSheet showInView:self.view]; // show from our table view (pops up in the middle of the table) [actionSheet release]; } - (void)dialogOKCancelAction { // open a dialog with an OK and cancel button UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"UIActionSheet <title>" delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:@"OK" otherButtonTitles:nil]; actionSheet.actionSheetStyle = UIActionSheetStyleDefault; [actionSheet showInView:self.view]; // show from our table view (pops up in the middle of the table) [actionSheet release]; } - (void)dialogOtherAction { // open a dialog with two custom buttons UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"UIActionSheet <title>" delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:@"Button1", @"Button2", nil]; actionSheet.actionSheetStyle = UIActionSheetStyleDefault; actionSheet.destructiveButtonIndex = 1; // make the second button red (destructive) [actionSheet showInView:self.view]; // show from our table view (pops up in the middle of the table) [actionSheet release]; } #pragma mark - #pragma mark UIAlertView - (void)alertSimpleAction { // open an alert with just an OK button UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"UIAlertView" message:@"<Alert message>" delegate:self cancelButtonTitle:@"OK" otherButtonTitles: nil]; [alert show]; [alert release]; } - (void)alertOKCancelAction { // open a alert with an OK and cancel button UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"UIAlertView" message:@"<Alert message>" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil]; [alert show]; [alert release]; } - (void)alertOtherAction { // open an alert with two custom buttons UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"UIAlertView" message:@"<Alert message>" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"Button1", @"Button2", nil]; [alert show]; [alert release]; } #pragma mark - #pragma mark - UIActionSheetDelegate - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex { // the user clicked one of the OK/Cancel buttons if (buttonIndex == 0) { //NSLog(@"ok"); } else { //NSLog(@"cancel"); } } #pragma mark - #pragma mark - UIAlertViewDelegate - (void)alertView:(UIAlertView *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex { // use "buttonIndex" to decide your action // } #pragma mark - #pragma mark - UITableView delegates - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return [self.dataSourceArray count]; } - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { return [[self.dataSourceArray objectAtIndex: section] valueForKey:kSectionTitleKey]; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return 2; } // to determine specific row height for each cell, override this. // In this example, each row is determined by its subviews that are embedded. // - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { return ([indexPath row] == 0) ? 50.0 : 22.0; } // the table's selection has changed, show the alert or action sheet - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { // deselect the current row (don't keep the table selection persistent) [tableView deselectRowAtIndexPath:[tableView indexPathForSelectedRow] animated:YES]; if (indexPath.row == 0) { switch (indexPath.section) { case kUIAction_Simple_Section: { [self dialogSimpleAction]; break; } case kUIAction_OKCancel_Section: { [self dialogOKCancelAction]; break; } case kUIAction_Custom_Section: { [self dialogOtherAction]; break; } case kUIAlert_Simple_Section: { [self alertSimpleAction]; break; } case kUIAlert_OKCancel_Section: { [self alertOKCancelAction]; break; } case kUIAlert_Custom_Section: { [self alertOtherAction]; break; } } } } // to determine which UITableViewCell to be used on a given row. // - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { UITableViewCell *cell = nil; if ([indexPath row] == 0) { static NSString *kAlertCell_ID = @"AlertCell_ID"; cell = [self.tableView dequeueReusableCellWithIdentifier:kAlertCell_ID]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:kAlertCell_ID] autorelease]; } cell.textLabel.text = [[self.dataSourceArray objectAtIndex: indexPath.section] valueForKey:kLabelKey]; } else { static NSString *kSourceCell_ID = @"SourceCell_ID"; cell = [self.tableView dequeueReusableCellWithIdentifier:kSourceCell_ID]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:kSourceCell_ID] autorelease]; cell.selectionStyle = UITableViewCellSelectionStyleNone; cell.textLabel.opaque = NO; cell.textLabel.textAlignment = UITextAlignmentCenter; cell.textLabel.textColor = [UIColor grayColor]; cell.textLabel.numberOfLines = 2; cell.textLabel.font = [UIFont systemFontOfSize:12]; } cell.textLabel.text = [[self.dataSourceArray objectAtIndex: indexPath.section] valueForKey:kSourceKey]; } return cell; } @end