code.grnet.gr Git - pithos-ios/blob - Classes/UIViewController+Conveniences.m

   1 //
   2 //  UIViewController+Conveniences.m
   3 //
   4 //  Created by Mike Mayo on 7/21/10.
   5 //
   6
   7 #import "UIViewController+Conveniences.h"
   8 #import "NSObject+Conveniences.h"
   9 #import "OpenStackRequest.h"
  10 #import "LogEntryModalViewController.h"
  11 #import "APILogEntry.h"
  12 #import "OpenStackAccount.h"
  13 #import "ServerViewController.h"
  14 #import "OpenStackAppDelegate.h"
  15 #import "UIColor+MoreColors.h"
  16 #import "ErrorAlerter.h"
  17 #import "RootViewController.h"
  18 #import "Analytics.h"
  19
  20 #define kUpcoming 0
  21 #define kAllEvents 1
  22
  23 @implementation UIViewController (Conveniences)
  24
  25 -(void)cancelButtonPressed:(id)sender {
  26         [self dismissModalViewControllerAnimated:YES];
  27
  28 //    if ([self respondsToSelector:@selector(serverViewController)] && [self respondsToSelector:@selector(actionIndexPath)]) {
  29 //        ServerViewController *vc = (ServerViewController *)[self performSelector:@selector(serverViewController)];
  30 //        [vc.tableView deselectRowAtIndexPath:(NSIndexPath *)[self performSelector:@selector(actionIndexPath)] animated:YES];
  31 //    }
  32 }
  33
  34 - (void)addCancelButton {
  35     UIBarButtonItem *cancel = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(cancelButtonPressed:)];
  36     self.navigationItem.leftBarButtonItem = cancel;
  37     [cancel release];
  38 }
  39
  40 - (void)addSaveButton {
  41     UIBarButtonItem *save = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemSave target:self action:@selector(saveButtonPressed:)];
  42     self.navigationItem.rightBarButtonItem = save;
  43     [save release];
  44 }
  45
  46 - (void)addAddButton {
  47     UIBarButtonItem *add = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addButtonPressed:)];
  48     self.navigationItem.rightBarButtonItem = add;
  49     [add release];
  50 }
  51
  52 - (void)addDoneButton {
  53     UIBarButtonItem *done = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(doneButtonPressed:)];
  54     self.navigationItem.rightBarButtonItem = done;
  55     [done release];
  56 }
  57
  58 - (void)addNextButton {
  59     UIBarButtonItem *next = [[UIBarButtonItem alloc] initWithTitle:@"Next" style:UIBarButtonItemStyleBordered target:self action:@selector(nextButtonPressed:)];
  60     self.navigationItem.rightBarButtonItem = next;
  61     [next release];
  62 }
  63
  64 - (void)presentModalViewControllerWithNavigation:(UIViewController *)viewController animated:(BOOL)animated {
  65     UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:viewController];
  66
  67     TrackViewController(viewController);
  68
  69     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
  70         nav.modalPresentationStyle = UIModalPresentationFormSheet;
  71         nav.navigationBar.barStyle = UIBarStyleBlack;
  72         nav.navigationBar.opaque = NO;
  73     } else {
  74         nav.navigationBar.tintColor = self.navigationController.navigationBar.tintColor;
  75         nav.navigationBar.translucent = self.navigationController.navigationBar.translucent;
  76         nav.navigationBar.opaque = self.navigationController.navigationBar.opaque;
  77         nav.navigationBar.barStyle = self.navigationController.navigationBar.barStyle;
  78     }
  79
  80     [self.navigationController presentModalViewController:nav animated:animated];
  81     [nav release];
  82 }
  83
  84 - (void)presentModalViewControllerWithNavigation:(UIViewController *)viewController {
  85     [self presentModalViewControllerWithNavigation:viewController animated:YES];
  86 }
  87
  88 - (void)presentPrimaryViewController:(UIViewController *)viewController animated:(BOOL)animated {
  89     // if we're on iphone, do a regular push, on iPad, let's change the split view
  90     TrackViewController(viewController);
  91
  92     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
  93         OpenStackAppDelegate *app = [[UIApplication sharedApplication] delegate];
  94         app.masterNavigationController.viewControllers = [NSArray arrayWithObject:viewController];
  95         if (app.rootViewController.popoverController != nil) {
  96             viewController.navigationItem.leftBarButtonItem = app.barButtonItem;
  97         }
  98     } else {
  99         [self.navigationController pushViewController:viewController animated:animated];
 100     }
 101 }
 102
 103 - (void)presentPrimaryViewController:(UIViewController *)viewController {
 104     [self presentPrimaryViewController:viewController animated:YES];
 105 }
 106
 107 - (void)alert:(NSString *)title message:(NSString *)message {
 108     UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:message delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
 109         [alert show];
 110         [alert release];
 111 }
 112
 113 - (void)alert:(NSString *)message request:(OpenStackRequest *)request {
 114     ErrorAlerter *alerter = [[ErrorAlerter alloc] init];
 115     [alerter alert:message request:request viewController:self];
 116     //[alerter release]; // TODO: restore this
 117 }
 118
 119 - (void)failOnBadConnection {
 120     NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
 121     if (![defaults boolForKey:@"already_failed_on_connection"]) {
 122         [self alert:@"Connection Error" message:@"Please check your connection or API URL and try again."];
 123     }
 124     [defaults setBool:YES forKey:@"already_failed_on_connection"];
 125     [defaults synchronize];
 126 }
 127
 128 - (UITableViewCell *)tableView:(UITableView *)tableView emptyCellWithImage:(UIImage *)image title:(NSString *)title subtitle:(NSString *)subtitle deleteButtonTitle:(NSString *)deleteButtonTitle deleteButtonSelector:(SEL)deleteButtonSelector {
 129     static NSString *CellIdentifier = @"EmptyCell";
 130
 131     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
 132     if (cell == nil) {
 133         cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
 134     }
 135
 136     UIView *container = [[UIView alloc] initWithFrame:CGRectMake(0.0, 0.0, 320.0, tableView.frame.size.height)];
 137     container.center = cell.center;
 138     container.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin;
 139
 140     UIImageView *imageView = [[UIImageView alloc] initWithImage:image];
 141
 142     CGRect imageRect = CGRectMake(tableView.frame.size.width / 2.0 - imageView.frame.size.width / 2.0, (tableView.frame.size.height / 2.0 - imageView.frame.size.height / 2.0) - 35.0, imageView.frame.size.width, imageView.frame.size.height);
 143
 144     if (deleteButtonTitle) {
 145         imageRect = CGRectMake(tableView.frame.size.width / 2.0 - imageView.frame.size.width / 2.0, (tableView.frame.size.height / 2.0 - imageView.frame.size.height / 2.0) - 78.0, imageView.frame.size.width, imageView.frame.size.height);
 146     }
 147
 148     imageView.frame = imageRect;
 149
 150     [container addSubview:imageView];
 151     [imageView release];
 152
 153     UIFont *font = [UIFont boldSystemFontOfSize:18.0];
 154     CGSize size = [title sizeWithFont:font constrainedToSize:CGSizeMake(tableView.frame.size.width - 20.0, tableView.frame.size.height) lineBreakMode:UILineBreakModeWordWrap];
 155     CGRect rect = CGRectMake(10.0, imageView.frame.origin.y + imageView.frame.size.height + 20.0, tableView.frame.size.width - 20.0, size.height);
 156
 157     UILabel *label = [[UILabel alloc] initWithFrame:rect];
 158     label.numberOfLines = 0;
 159     label.lineBreakMode = UILineBreakModeWordWrap;
 160     label.font = font;
 161     label.textColor = [UIColor emptyCollectionGrayColor];
 162     label.text = title;
 163     label.textAlignment = UITextAlignmentCenter;
 164     [container addSubview:label];
 165
 166     font = [UIFont boldSystemFontOfSize:14.0];
 167     size = [subtitle sizeWithFont:font constrainedToSize:CGSizeMake(tableView.frame.size.width - 20.0, tableView.frame.size.height) lineBreakMode:UILineBreakModeWordWrap];
 168     rect = CGRectMake(10.0, rect.origin.y + label.frame.size.height + 8.0, tableView.frame.size.width - 20.0, size.height);
 169
 170     UILabel *sublabel = [[UILabel alloc] initWithFrame:rect];
 171     sublabel.numberOfLines = 0;
 172     sublabel.lineBreakMode = UILineBreakModeWordWrap;
 173     sublabel.font = font;
 174     sublabel.textColor = [UIColor emptyCollectionGrayColor];
 175     sublabel.text = subtitle;
 176     sublabel.textAlignment = UITextAlignmentCenter;
 177     [container addSubview:sublabel];
 178
 179
 180     if (deleteButtonTitle) {
 181         rect = CGRectMake(10.0, rect.origin.y + sublabel.frame.size.height + 57.0, 301.0, 43.0);
 182         UIButton *deleteButton = [UIButton buttonWithType:UIButtonTypeCustom];
 183         deleteButton.frame = rect;
 184         deleteButton.titleLabel.font = [UIFont boldSystemFontOfSize:18.0];
 185         [deleteButton setBackgroundImage:[UIImage imageNamed:@"red-button.png"] forState:UIControlStateNormal];
 186         [deleteButton setTitle:deleteButtonTitle forState:UIControlStateNormal];
 187         [deleteButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
 188         [deleteButton addTarget:self action:deleteButtonSelector forControlEvents:UIControlEventTouchUpInside];
 189         [container addSubview:deleteButton];
 190     }
 191
 192     [label release];
 193     [sublabel release];
 194
 195     [cell addSubview:container];
 196     [container release];
 197
 198     return cell;
 199 }
 200
 201 - (UITableViewCell *)tableView:(UITableView *)tableView emptyCellWithImage:(UIImage *)image title:(NSString *)title subtitle:(NSString *)subtitle {
 202     return [self tableView:tableView emptyCellWithImage:image title:title subtitle:subtitle deleteButtonTitle:nil deleteButtonSelector:nil];
 203 }
 204
 205 @end