Implemented automatic "next" buttons on keyboard to switch text fields

michaeltyson · Mar 12, 2013 · 383478e · 383478e
1 parent 9ee481c
commit 383478e
Show file tree

Hide file tree

Showing 9 changed files with 294 additions and 213 deletions.
diff --git a/TPKeyboardAvoidingSample/FirstViewController.h b/TPKeyboardAvoidingSample/FirstViewController.h
@@ -10,11 +10,6 @@
 
 @class TPKeyboardAvoidingScrollView;
 
-@interface FirstViewController : UIViewController <UITextFieldDelegate>
+@interface FirstViewController : UIViewController
 @property (nonatomic, retain) IBOutlet TPKeyboardAvoidingScrollView *scrollView;
-@property (nonatomic, retain) IBOutlet UITextField *txtIggle;
-@property (nonatomic, retain) IBOutlet UITextField *txtNiggle;
-@property (nonatomic, retain) IBOutlet UITextField *txtOggle;
-@property (nonatomic, retain) IBOutlet UITextField *txtBogle;
-@property (nonatomic, retain) IBOutlet UITextField *txtSplat;
 @end
diff --git a/TPKeyboardAvoidingSample/FirstViewController.m b/TPKeyboardAvoidingSample/FirstViewController.m
@@ -11,12 +11,6 @@
 
 @implementation FirstViewController
 @synthesize scrollView;
-@synthesize txtIggle;
-@synthesize txtNiggle;
-@synthesize txtOggle;
-@synthesize txtBogle;
-@synthesize txtSplat;
-
 
 // Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
 - (void)viewDidLoad
@@ -50,11 +44,6 @@ - (void)didReceiveMemoryWarning
 - (void)viewDidUnload
 {
     [self setScrollView:nil];
-    [self setTxtIggle:nil];
-    [self setTxtNiggle:nil];
-    [self setTxtOggle:nil];
-    [self setTxtBogle:nil];
-    [self setTxtSplat:nil];
     [super viewDidUnload];
 
     // Release any retained subviews of the main view.
@@ -65,41 +54,7 @@ - (void)viewDidUnload
 - (void)dealloc
 {
     [scrollView release];
-    [txtIggle release];
-    [txtNiggle release];
-    [txtOggle release];
-    [txtBogle release];
-    [txtSplat release];
     [super dealloc];
 }
 
--(BOOL)textFieldShouldReturn:(UITextField *)textField {
-    if (textField == txtIggle) {
-        [txtNiggle becomeFirstResponder];
-    }
-
-    else if (textField == txtNiggle) {
-        [txtOggle becomeFirstResponder];
-    }
-
-    else if (textField == txtOggle) {
-        [txtBogle becomeFirstResponder];
-    }
-
-    else if (textField == txtBogle) {
-        [txtSplat becomeFirstResponder];
-    }
-    else{
-        [textField resignFirstResponder];
-    }
-
-
-    return YES;
-}
-
--(void)textFieldDidBeginEditing:(UITextField *)textField
-{
-    [scrollView adjustOffsetToIdealIfNeeded];
-}
-
 @end
diff --git a/TPKeyboardAvoidingSample/SecondViewController.h b/TPKeyboardAvoidingSample/SecondViewController.h
@@ -9,5 +9,5 @@
 #import <UIKit/UIKit.h>
 
 
-@interface SecondViewController : UITableViewController <UITextFieldDelegate>
+@interface SecondViewController : UITableViewController
 @end
diff --git a/TPKeyboardAvoidingSample/SecondViewController.m b/TPKeyboardAvoidingSample/SecondViewController.m
@@ -99,10 +99,10 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
         cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
 
         UITextField *textField = [[[UITextField alloc] initWithFrame:CGRectMake(0, 0, 150, 30)] autorelease];
-        textField.delegate = self;
         textField.returnKeyType = UIReturnKeyDone;
         textField.borderStyle = UITextBorderStyleRoundedRect;
         cell.accessoryView = textField;
+        cell.selectionStyle = UITableViewCellSelectionStyleNone;
     }
 
     cell.textLabel.text = [NSString stringWithFormat:@"Order %d", indexPath.row];
@@ -111,11 +111,4 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
     return cell;
 }
 
-#pragma mark - Text field delegate
-
--(BOOL)textFieldShouldReturn:(UITextField *)textField {
-    [textField resignFirstResponder];
-    return YES;
-}
-
 @end
diff --git a/TPKeyboardAvoidingSample/en.lproj/FirstView.xib b/TPKeyboardAvoidingSample/en.lproj/FirstView.xib
@@ -51,6 +51,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 30}, {280, 31}}</string>
 								<reference key="NSSuperview" ref="206876602"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="89122733"/>
 								<bool key="IBUIOpaque">NO</bool>
 								<bool key="IBUIClipsSubviews">YES</bool>
@@ -87,6 +88,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 281}, {280, 31}}</string>
 								<reference key="NSSuperview" ref="206876602"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="283243135"/>
 								<bool key="IBUIOpaque">NO</bool>
 								<bool key="IBUIClipsSubviews">YES</bool>
@@ -114,14 +116,15 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 337}, {280, 37}}</string>
 								<reference key="NSSuperview" ref="206876602"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="364961226"/>
 								<bool key="IBUIOpaque">NO</bool>
 								<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
 								<int key="IBUIContentHorizontalAlignment">0</int>
 								<int key="IBUIContentVerticalAlignment">0</int>
 								<int key="IBUIButtonType">1</int>
 								<string key="IBUINormalTitle">Do A Thing</string>
-								<object class="NSColor" key="IBUIHighlightedTitleColor">
+								<object class="NSColor" key="IBUIHighlightedTitleColor" id="460154988">
 									<int key="NSColorSpace">3</int>
 									<bytes key="NSWhite">MQA</bytes>
 								</object>
@@ -150,6 +153,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 94}, {280, 31}}</string>
 								<reference key="NSSuperview" ref="206876602"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="141163670"/>
 								<bool key="IBUIOpaque">NO</bool>
 								<bool key="IBUIClipsSubviews">YES</bool>
@@ -177,6 +181,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 156}, {280, 31}}</string>
 								<reference key="NSSuperview" ref="206876602"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="331828899"/>
 								<bool key="IBUIOpaque">NO</bool>
 								<bool key="IBUIClipsSubviews">YES</bool>
@@ -204,6 +209,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 218}, {280, 31}}</string>
 								<reference key="NSSuperview" ref="206876602"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="325075817"/>
 								<bool key="IBUIOpaque">NO</bool>
 								<bool key="IBUIClipsSubviews">YES</bool>
@@ -231,7 +237,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 400}, {280, 31}}</string>
 								<reference key="NSSuperview" ref="206876602"/>
-								<reference key="NSNextKeyView"/>
+								<reference key="NSWindow"/>
 								<bool key="IBUIOpaque">NO</bool>
 								<bool key="IBUIClipsSubviews">YES</bool>
 								<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
@@ -258,6 +264,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 500}, {280, 31}}</string>
 								<reference key="NSSuperview" ref="206876602"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="1024068394"/>
 								<bool key="IBUIOpaque">NO</bool>
 								<bool key="IBUIClipsSubviews">YES</bool>
@@ -283,6 +290,7 @@
 						</object>
 						<string key="NSFrameSize">{320, 411}</string>
 						<reference key="NSSuperview" ref="191373211"/>
+						<reference key="NSWindow"/>
 						<reference key="NSNextKeyView" ref="696973480"/>
 						<bool key="IBUIClipsSubviews">YES</bool>
 						<bool key="IBUIMultipleTouchEnabled">YES</bool>
@@ -291,12 +299,9 @@
 				</object>
 				<string key="NSFrame">{{0, 20}, {320, 411}}</string>
 				<reference key="NSSuperview"/>
+				<reference key="NSWindow"/>
 				<reference key="NSNextKeyView" ref="206876602"/>
-				<object class="NSColor" key="IBUIBackgroundColor">
-					<int key="NSColorSpace">1</int>
-					<bytes key="NSRGB">MCAwIDAgMAA</bytes>
-					<string key="IBUIColorCocoaTouchKeyPath">groupTableViewBackgroundColor</string>
-				</object>
+				<reference key="IBUIBackgroundColor" ref="460154988"/>
 				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
 				<object class="IBUISimulatedTabBarMetrics" key="IBUISimulatedBottomBarMetrics"/>
 				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
@@ -321,94 +326,6 @@
 					</object>
 					<int key="connectionID">21</int>
 				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">txtIggle</string>
-						<reference key="source" ref="372490531"/>
-						<reference key="destination" ref="696973480"/>
-					</object>
-					<int key="connectionID">22</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">txtNiggle</string>
-						<reference key="source" ref="372490531"/>
-						<reference key="destination" ref="89122733"/>
-					</object>
-					<int key="connectionID">23</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">txtOggle</string>
-						<reference key="source" ref="372490531"/>
-						<reference key="destination" ref="141163670"/>
-					</object>
-					<int key="connectionID">24</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">txtBogle</string>
-						<reference key="source" ref="372490531"/>
-						<reference key="destination" ref="1024068394"/>
-					</object>
-					<int key="connectionID">25</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">txtSplat</string>
-						<reference key="source" ref="372490531"/>
-						<reference key="destination" ref="325075817"/>
-					</object>
-					<int key="connectionID">26</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">delegate</string>
-						<reference key="source" ref="696973480"/>
-						<reference key="destination" ref="372490531"/>
-					</object>
-					<int key="connectionID">13</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">delegate</string>
-						<reference key="source" ref="325075817"/>
-						<reference key="destination" ref="372490531"/>
-					</object>
-					<int key="connectionID">14</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">delegate</string>
-						<reference key="source" ref="89122733"/>
-						<reference key="destination" ref="372490531"/>
-					</object>
-					<int key="connectionID">16</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">delegate</string>
-						<reference key="source" ref="141163670"/>
-						<reference key="destination" ref="372490531"/>
-					</object>
-					<int key="connectionID">18</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">delegate</string>
-						<reference key="source" ref="1024068394"/>
-						<reference key="destination" ref="372490531"/>
-					</object>
-					<int key="connectionID">20</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">delegate</string>
-						<reference key="source" ref="364961226"/>
-						<reference key="destination" ref="372490531"/>
-					</object>
-					<int key="connectionID">28</int>
-				</object>
 			</object>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<object class="NSArray" key="orderedObjects">
@@ -552,7 +469,38 @@
 			<nil key="sourceID"/>
 			<int key="maxID">29</int>
 		</object>
-		<object class="IBClassDescriber" key="IBDocument.Classes"/>
+		<object class="IBClassDescriber" key="IBDocument.Classes">
+			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+				<object class="IBPartialClassDescription">
+					<string key="className">FirstViewController</string>
+					<string key="superclassName">UIViewController</string>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">scrollView</string>
+						<string key="NS.object.0">TPKeyboardAvoidingScrollView</string>
+					</object>
+					<object class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<string key="NS.key.0">scrollView</string>
+						<object class="IBToOneOutletInfo" key="NS.object.0">
+							<string key="name">scrollView</string>
+							<string key="candidateClassName">TPKeyboardAvoidingScrollView</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/FirstViewController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">TPKeyboardAvoidingScrollView</string>
+					<string key="superclassName">UIScrollView</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/TPKeyboardAvoidingScrollView.h</string>
+					</object>
+				</object>
+			</object>
+		</object>
 		<int key="IBDocument.localizationMode">0</int>
 		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
 		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">

diff --git a/TPKeyboardAvoidingScrollView.h b/TPKeyboardAvoidingScrollView.h
@@ -7,14 +7,7 @@
 
 #import <UIKit/UIKit.h>
 
-@interface TPKeyboardAvoidingScrollView : UIScrollView {
-    UIEdgeInsets    _priorInset;
-    BOOL            _priorInsetSaved;
-    BOOL            _keyboardVisible;
-    CGRect          _keyboardRect;
-    CGSize          _originalContentSize;
-    CGPoint         _originalContentOffset;
-}
-
-- (void)adjustOffsetToIdealIfNeeded;
+@interface TPKeyboardAvoidingScrollView : UIScrollView
+- (BOOL)focusNextTextField;
+- (void)scrollToActiveTextField;
 @end