Added presentPopoverFromBarButtonItem method as specified by the UIPo…

…poverController contract.

Classes/WEPopoverAppDelegate.h

@@ -12,11 +12,11 @@
 
 @interface WEPopoverAppDelegate : NSObject <UIApplicationDelegate> {
     UIWindow *window;
-    WEPopoverViewController *viewController;
+    UINavigationController *navController;
 }
 
 @property (nonatomic, retain) IBOutlet UIWindow *window;
-@property (nonatomic, retain) IBOutlet WEPopoverViewController *viewController;
+@property (nonatomic, retain) IBOutlet UINavigationController *navController;
 
 @end
 

Classes/WEPopoverAppDelegate.m

@@ -12,7 +12,7 @@
 @implementation WEPopoverAppDelegate
 
 @synthesize window;
-@synthesize viewController;
+@synthesize navController;
 
 
 #pragma mark -
@@ -23,7 +23,7 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
     // Override point for customization after application launch.
 
     // Add the view controller's view to the window and display.
-    [window addSubview:viewController.view];
+    [window addSubview:navController.view];
     [window makeKeyAndVisible];
 
     return YES;
@@ -79,7 +79,7 @@ Free up as much memory as possible by purging cached data objects that can be re
 
 
 - (void)dealloc {
-    [viewController release];
+    [navController release];
     [window release];
     [super dealloc];
 }

Classes/WEPopoverController.h

@@ -51,6 +51,10 @@
 
 - (void)dismissPopoverAnimated:(BOOL)animated;
 
+- (void)presentPopoverFromBarButtonItem:(UIBarButtonItem *)item 
+			   permittedArrowDirections:(UIPopoverArrowDirection)arrowDirections 
+							   animated:(BOOL)animated;
+
 - (void)presentPopoverFromRect:(CGRect)rect 
 						inView:(UIView *)view 
 	  permittedArrowDirections:(UIPopoverArrowDirection)arrowDirections 

Classes/WEPopoverController.m

@@ -8,6 +8,7 @@
 
 #import "WEPopoverController.h"
 #import "WEPopoverParentView.h"
+#import "UIBarButtonItem+WEPopover.h"
 
 #define FADE_DURATION 0.25
 
@@ -102,6 +103,18 @@ - (void)dismissPopoverAnimated:(BOOL)animated {
 	[self dismissPopoverAnimated:animated userInitiated:NO];
 }
 
+- (void)presentPopoverFromBarButtonItem:(UIBarButtonItem *)item 
+			   permittedArrowDirections:(UIPopoverArrowDirection)arrowDirections 
+							   animated:(BOOL)animated {
+
+
+	UIView *v = [[UIApplication sharedApplication] keyWindow];
+
+	CGRect rect = [item frameInView:v];
+
+	return [self presentPopoverFromRect:rect inView:v permittedArrowDirections:arrowDirections animated:animated];
+}
+
 - (void)presentPopoverFromRect:(CGRect)rect 
 						inView:(UIView *)theView 
 	  permittedArrowDirections:(UIPopoverArrowDirection)arrowDirections 

Classes/WEPopoverTableViewController.h

@@ -16,4 +16,6 @@
 
 @property (nonatomic, retain) WEPopoverController *popoverController;
 
+- (IBAction)showPopover:(id)sender;
+
 @end

Classes/WEPopoverTableViewController.m

@@ -184,6 +184,27 @@ - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath
 
 }
 
+#pragma mark -
+#pragma mark Actions
+
+- (IBAction)showPopover:(id)sender {
+
+	if (!self.popoverController) {
+		UIViewController *contentViewController = [[WEPopoverContentViewController alloc] initWithStyle:UITableViewStylePlain];
+		self.popoverController = [[[WEPopoverController alloc] initWithContentViewController:contentViewController] autorelease];
+		self.popoverController.delegate = self;
+		self.popoverController.passthroughViews = [NSArray arrayWithObject:self.navigationController.navigationBar];
+
+		[self.popoverController presentPopoverFromBarButtonItem:sender 
+									   permittedArrowDirections:UIPopoverArrowDirectionUp|UIPopoverArrowDirectionDown 
+													   animated:YES];
+		[contentViewController release];
+	} else {
+		[self.popoverController dismissPopoverAnimated:YES];
+		self.popoverController = nil;
+	}
+}
+
 #pragma mark -
 #pragma mark WEPopoverControllerDelegate implementation