-#import "RVPage.h"
-
-@implementation RVBook
-
-- (void) dealloc {
- [navbar_ setDelegate:nil];
-
- [pages_ release];
- [navbar_ release];
- [transition_ release];
- [super dealloc];
-}
-
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button {
- _assert([pages_ count] != 0);
- RVPage *page = [pages_ lastObject];
- switch (button) {
- case 0: [page _rightButtonClicked]; break;
- case 1: [page _leftButtonClicked]; break;
- }
-}
-
-- (void) navigationBar:(UINavigationBar *)navbar poppedItem:(UINavigationItem *)item {
- _assert([pages_ count] != 0);
- if (!resetting_)
- [[pages_ lastObject] setPageActive:NO];
- [pages_ removeLastObject];
- if (!resetting_)
- [self resetViewAnimated:YES toPage:[pages_ lastObject]];
-}
-
-- (id) initWithFrame:(CGRect)frame {
- if ((self = [super initWithFrame:frame]) != nil) {
- pages_ = [[NSMutableArray arrayWithCapacity:4] retain];
-
- struct CGRect bounds = [self bounds];
- CGSize navsize = [UINavigationBar defaultSizeWithPrompt];
- CGRect navrect = {{0, 0}, navsize};
-
- navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
- [self addSubview:navbar_];
-
- [navbar_ setBarStyle:0];
- [navbar_ setDelegate:self];
-
- [navbar_ setPrompt:@""];
-
- transition_ = [[UITransitionView alloc] initWithFrame:CGRectMake(
- bounds.origin.x, bounds.origin.y + navsize.height, bounds.size.width, bounds.size.height - navsize.height
- )];
-
- [self addSubview:transition_];
- } return self;
-}
-
-- (void) setDelegate:(id)delegate {
- delegate_ = delegate;
-}
-
-- (void) setPage:(RVPage *)page {
- if ([pages_ count] != 0)
- [[pages_ lastObject] setPageActive:NO];
-
- [navbar_ disableAnimation];
- resetting_ = true;
- for (unsigned i(0), pages([pages_ count]); i != pages; ++i)
- [navbar_ popNavigationItem];
- resetting_ = false;
-
- [self pushPage:page];
- [navbar_ enableAnimation];
-}
-
-- (void) pushPage:(RVPage *)page {
- if ([pages_ count] != 0)
- [[pages_ lastObject] setPageActive:NO];
-
- NSString *title = [self getTitleForPage:page];
-
- NSString *backButtonTitle = [page backButtonTitle];
- if (backButtonTitle == nil)
- backButtonTitle = title;
-
- UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:title] autorelease];
- [navitem setBackButtonTitle:backButtonTitle];
- [navbar_ pushNavigationItem:navitem];
-
- BOOL animated = [pages_ count] == 0 ? NO : YES;
- [transition_ transition:(animated ? 1 : 0) toView:page];
- [page setPageActive:YES];