Navigation interface for example view controllers.

ansani · Apr 20, 2010 · 483680c · 483680c
1 parent 7b18529
commit 483680c
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Showing 5 changed files with 114 additions and 6 deletions.
diff --git a/Classes/ExamplesViewController.h b/Classes/ExamplesViewController.h
@@ -0,0 +1,16 @@
+//
+//  ExamplesViewController.h
+//  Leaves
+//
+//  Created by Tom Brow on 4/20/10.
+//  Copyright 2010 Tom Brow. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+
+@interface ExamplesViewController : UITableViewController {
+	NSArray *exampleViewControllers;
+}
+
+@end
diff --git a/Classes/ExamplesViewController.m b/Classes/ExamplesViewController.m
@@ -0,0 +1,87 @@
+//
+//  ExamplesViewController.m
+//  Leaves
+//
+//  Created by Tom Brow on 4/20/10.
+//  Copyright 2010 Tom Brow. All rights reserved.
+//
+
+#import "ExamplesViewController.h"
+#import "PDFExampleViewController.h"
+#import "ImageExampleViewController.h"
+
+@implementation ExamplesViewController
+
+
+
+- (id)init {
+    if ((self = [super initWithStyle:UITableViewStyleGrouped])) {
+		exampleViewControllers = [[NSArray alloc] initWithObjects:
+								  [[[PDFExampleViewController alloc] init] autorelease],
+								  [[[ImageExampleViewController alloc] init] autorelease],
+								  nil];
+    }
+    return self;
+}
+
+- (void)dealloc {
+	[exampleViewControllers release];
+    [super dealloc];
+}
+
+
+#pragma mark -
+#pragma mark View lifecycle
+
+/*
+- (void)viewDidLoad {
+    [super viewDidLoad];
+
+    // Uncomment the following line to preserve selection between presentations.
+    self.clearsSelectionOnViewWillAppear = NO;
+ 
+    // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
+    // self.navigationItem.rightBarButtonItem = self.editButtonItem;
+}
+*/
+
+#pragma mark UITableViewDataSource methods
+
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
+	return 1;
+}
+
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    return [exampleViewControllers count];
+}
+
+
+// Customize the appearance of table view cells.
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+
+    static NSString *CellIdentifier = @"Cell";
+
+    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+    if (cell == nil) {
+        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
+    }
+
+	switch (indexPath.row) {
+		case 0: cell.textLabel.text = @"PDF example"; break;
+		case 1: cell.textLabel.text = @"Image example"; break;
+		default: cell.textLabel.text = @"";
+	}    
+    return cell;
+}
+
+#pragma mark UITableViewDelegate methods
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+    UIViewController *viewController = [exampleViewControllers objectAtIndex:indexPath.row];
+	[self.navigationController pushViewController:viewController animated:YES];
+}
+
+
+@end
+
diff --git a/Classes/LeavesAppDelegate.h b/Classes/LeavesAppDelegate.h
@@ -12,7 +12,7 @@
 
 @interface LeavesAppDelegate : NSObject <UIApplicationDelegate> {
     UIWindow *window;
-    LeavesViewController *viewController;
+    UIViewController *viewController;
 }
 
 @property (nonatomic, retain) IBOutlet UIWindow *window;

diff --git a/Classes/LeavesAppDelegate.m b/Classes/LeavesAppDelegate.m
@@ -7,16 +7,15 @@
 //
 
 #import "LeavesAppDelegate.h"
-#import "LeavesViewController.h"
-#import "ImageExampleViewController.h"
-#import "PDFExampleViewController.h"
+#import "ExamplesViewController.h"
 
 @implementation LeavesAppDelegate
 
 @synthesize window;
 
-- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    	
-	viewController = [[ImageExampleViewController alloc] init];
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+	UIViewController *rootViewController = [[[ExamplesViewController alloc] init] autorelease];
+	viewController = [[UINavigationController alloc] initWithRootViewController:rootViewController];
 
 	[window addSubview:viewController.view];
     [window makeKeyAndVisible];

diff --git a/Leaves.xcodeproj/project.pbxproj b/Leaves.xcodeproj/project.pbxproj
@@ -24,6 +24,7 @@
 		D33D4ED1117D8D4500BA7203 /* MainWindow.xib in Resources */ = {isa = PBXBuildFile; fileRef = D33D4EC9117D8D4500BA7203 /* MainWindow.xib */; };
 		D33D4ED2117D8D4500BA7203 /* paper.pdf in Resources */ = {isa = PBXBuildFile; fileRef = D33D4ECA117D8D4500BA7203 /* paper.pdf */; };
 		D33D4F01117D8EAE00BA7203 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = D33D4F00117D8EAE00BA7203 /* main.m */; };
+		D33D4F41117E244C00BA7203 /* ExamplesViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = D33D4F40117E244C00BA7203 /* ExamplesViewController.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -53,6 +54,8 @@
 		D33D4EDA117D8DCD00BA7203 /* Leaves-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "Leaves-Info.plist"; sourceTree = SOURCE_ROOT; };
 		D33D4EFB117D8E7800BA7203 /* Leaves_Prefix.pch */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Leaves_Prefix.pch; sourceTree = SOURCE_ROOT; };
 		D33D4F00117D8EAE00BA7203 /* main.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = SOURCE_ROOT; };
+		D33D4F3F117E244C00BA7203 /* ExamplesViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ExamplesViewController.h; sourceTree = "<group>"; };
+		D33D4F40117E244C00BA7203 /* ExamplesViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ExamplesViewController.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -79,6 +82,8 @@
 				D33D4A0C117C34F000BA7203 /* ImageExampleViewController.m */,
 				D33D4B4F117C473500BA7203 /* PDFExampleViewController.h */,
 				D33D4B50117C473500BA7203 /* PDFExampleViewController.m */,
+				D33D4F3F117E244C00BA7203 /* ExamplesViewController.h */,
+				D33D4F40117E244C00BA7203 /* ExamplesViewController.m */,
 			);
 			path = Classes;
 			sourceTree = "<group>";
@@ -227,6 +232,7 @@
 				D33D4E5C117D818100BA7203 /* LeavesViewController.m in Sources */,
 				D33D4ECC117D8D4500BA7203 /* Utilities.m in Sources */,
 				D33D4F01117D8EAE00BA7203 /* main.m in Sources */,
+				D33D4F41117E244C00BA7203 /* ExamplesViewController.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};