14 prerequisites for modal display for new entry

lamlee · Oct 13, 2011 · 6bef394 · 6bef394
1 parent 55198e6
commit 6bef394
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Showing 3 changed files with 44 additions and 3 deletions.
diff --git a/14-UIPopOverControllerAndModalViewControllers/Homepwner/ItemDetailsViewController.h b/14-UIPopOverControllerAndModalViewControllers/Homepwner/ItemDetailsViewController.h
@@ -28,6 +28,9 @@
 @property  (strong,nonatomic) Posession *posession;
 
 
+// Designated initializer
+-(id)initForNewItem:(BOOL)isNew;
+
 // Picture
 @property (strong, nonatomic) IBOutlet UIImageView *imageView;
 - (IBAction)takePicture:(id)sender;

diff --git a/14-UIPopOverControllerAndModalViewControllers/Homepwner/ItemDetailsViewController.m b/14-UIPopOverControllerAndModalViewControllers/Homepwner/ItemDetailsViewController.m
@@ -18,6 +18,41 @@ @implementation ItemDetailsViewController
 @synthesize imageView;
 
 
+#pragma mark - designaed initializers
+
+-(id)initForNewItem:(BOOL)isNew {
+    self = [super initWithNibName:nil bundle:nil];
+    if (!self) return self;
+
+    if (isNew) {
+        UIBarButtonItem *doneItem = [[UIBarButtonItem alloc] 
+                                     initWithBarButtonSystemItem:UIBarButtonSystemItemDone 
+                                     target:self 
+                                     action:@selector(save:)];
+
+        UIBarButtonItem *cancelItem = [[UIBarButtonItem alloc] 
+                                     initWithBarButtonSystemItem:UIBarButtonSystemItemCancel 
+                                     target:self 
+                                     action:@selector(cancel:)];
+
+        self.navigationItem.rightBarButtonItem = doneItem;
+        self.navigationItem.leftBarButtonItem = cancelItem;
+
+
+    }
+
+    return self;
+}
+
+-(id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    @throw [NSException exceptionWithName:@"Wrong initializer" 
+                                   reason:@"Use initForNewItem:" 
+                                 userInfo:nil];
+    return nil;
+}
+
+#pragma mark - dealloc
+
 -(void)dealloc {
     //    [setNameField relese];
     //    [setSerialField release];
@@ -26,7 +61,7 @@ -(void)dealloc {
     //    [super dealloc];
 }
 
-#pragma mark - View callbacks
+#pragma mark - View callbacks/delegate methods
 
 -(void)viewWillAppear:(BOOL)animated 
 {

diff --git a/14-UIPopOverControllerAndModalViewControllers/Homepwner/ItemsViewController.m b/14-UIPopOverControllerAndModalViewControllers/Homepwner/ItemsViewController.m
@@ -68,8 +68,11 @@ -(IBAction)addNewPosession:(id)sender {
 
 //UINavigationController
 -(void)           tableView:(UITableView *)tableView 
-    didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
-    ItemDetailsViewController *dc = [[ItemDetailsViewController alloc] init];
+    didSelectRowAtIndexPath:(NSIndexPath *)indexPath 
+{
+
+    ItemDetailsViewController *dc = 
+        [[ItemDetailsViewController alloc] initForNewItem:NO];
 
     NSArray *all = [[PosessionStore defaultStore] posessions];
     Posession *p = [all objectAtIndex:[indexPath row]];