/*

     File: ContentController_iPad.m 

 Abstract: Content controller used to manage the split view controller and its master popover for the iPad. 

  Version: 1.1 

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 */

#import "ContentController_iPad.h"

#import "DetailViewController.h"

#import "AppListViewController.h"

static NSString *buttonTitle = @"Top Paid Apps";

@implementation ContentController_iPad

@synthesize splitViewController, navigationController, masterViewController, popoverController, detailViewController;

- (void)awakeFromNib

{

    self.splitViewController.delegate = self;

    self.masterViewController.contentController = self;

    // configure the master popover button:

    //

    // In portrait mode (when the master view is not being displayed by the split view controller)

    // add a bar button item to display the master view in a popover; in landcape mode, remove the button.

    //

    if (UIInterfaceOrientationIsPortrait([[UIApplication sharedApplication] statusBarOrientation]))

    {

        UIBarButtonItem *popoverMasterViewControllerBarButtonItem =

        [[UIBarButtonItem alloc] initWithTitle:buttonTitle

                                         style:UIBarButtonItemStylePlain

                                        target:self

                                        action:@selector(presentMasterInPopoverFromBarButtonItem:)];

        [self.detailViewController.navBar.topItem setLeftBarButtonItem:popoverMasterViewControllerBarButtonItem animated:YES];

        [popoverMasterViewControllerBarButtonItem release];

    }

    else

    {

        [self.detailViewController.navBar.topItem setLeftBarButtonItem:nil animated:YES];

    }

}

- (IBAction)presentMasterInPopoverFromBarButtonItem:(UIBarButtonItem *)barButtonItem

{

    if (popoverController == nil)

    {

        Class cls = NSClassFromString(@"UIPopoverController");

        if (cls != nil)

        {

            UIPopoverController *aPopoverController =

                [[cls alloc] initWithContentViewController:self.masterViewController];

            self.popoverController = aPopoverController;

            [aPopoverController release];

            [popoverController presentPopoverFromBarButtonItem:barButtonItem

                                      permittedArrowDirections:UIPopoverArrowDirectionUp

                                                      animated:YES];

        }

    }

}

- (void)dealloc

{

    [splitViewController release];

    [masterViewController release];

    [popoverController release];

    [navigationController release];

    [detailViewController release];

    [super dealloc];

}

// when setting the detail item, update the view and dismiss the popover controller if it's showing

//

- (void)setDetailItem:(AppRecord *)newDetailItem

{

    if (detailItem != newDetailItem)

    {

        [detailItem release];

        detailItem = [newDetailItem retain];

        self.detailViewController.appIcon.image = detailItem.appIcon;

        self.detailViewController.appName.text = detailItem.appName;

        self.detailViewController.appArtist.text = detailItem.artist;

        self.detailViewController.appPrice.text = detailItem.price;

        self.detailViewController.appRights.text = detailItem.rights;

        self.detailViewController.appReleaseDate.text = detailItem.releaseDate;

        self.detailViewController.appSummary.text = detailItem.summary;

        self.detailViewController.appURLButton.hidden = NO;

        self.detailViewController.appURL = [NSURL URLWithString:detailItem.appURLString];

        [self.detailViewController.appSummary scrollRectToVisible:CGRectMake(0.0, 0.0, 1.0, 1.0) animated:YES];

        [self.detailViewController.appSummary flashScrollIndicators];

    }

    if (self.popoverController != nil)

    {

        [self.popoverController dismissPopoverAnimated:YES];

    }        

}

#pragma mark -

#pragma mark Split view support

- (UIView *)view

{

    return self.splitViewController.view;

}

- (void)splitViewController: (UISplitViewController *)svc willHideViewController:(UIViewController *)aViewController

                                                              withBarButtonItem:(UIBarButtonItem *)barButtonItem

                                                           forPopoverController:(UIPopoverController *)pc

{

    barButtonItem.title = buttonTitle;

    [self.detailViewController.navBar.topItem setLeftBarButtonItem:barButtonItem animated:NO];

    self.popoverController = pc;

}

// called when the view is shown again in the split view, invalidating the button and popover controller

//

- (void)splitViewController: (UISplitViewController *)svc willShowViewController:(UIViewController *)aViewController

                                                        invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem

{

    [self.detailViewController.navBar.topItem setLeftBarButtonItem:nil animated:NO];

    self.popoverController = nil;

}

@end