├── .gitattributes ├── .gitignore ├── Classes ├── ALPickerView.h ├── ALPickerView.m ├── ALPickerViewCell.h └── ALPickerViewCell.m ├── Demo ├── Classes │ ├── DemoAppDelegate.h │ ├── DemoAppDelegate.m │ ├── DemoViewController.h │ └── DemoViewController.m ├── Demo-Info.plist ├── Demo.xcodeproj │ └── project.pbxproj ├── DemoViewController.xib ├── Demo_Prefix.pch ├── MainWindow.xib └── main.m ├── ImageRes ├── check@2x.png ├── check_selected@2x.png ├── frame_left@2x.png ├── frame_middle@2x.png ├── frame_right@2x.png ├── wheel_bg@2x.png └── wheel_shadow@2x.png ├── LICENSE.txt ├── README.mdown └── screenshot.png /.gitattributes: -------------------------------------------------------------------------------- 1 | *.pbxproj -crlf -diff -merge 2 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | build/ 2 | 3 | *.mode1 4 | *.mode1v3 5 | *.mode2v3 6 | *.perspective 7 | *.perspectivev3 8 | *.pbxuser 9 | *.xcworkspace 10 | xcuserdata 11 | 12 | .svn 13 | CVS 14 | 15 | .DS_Store 16 | *~.nib 17 | *.swp 18 | -------------------------------------------------------------------------------- /Classes/ALPickerView.h: -------------------------------------------------------------------------------- 1 | // 2 | // ALPickerView.h 3 | // 4 | // Created by Alex Leutgöb on 11.11.11. 5 | // Copyright 2011 alexleutgoeb.com. All rights reserved. 6 | // 7 | // Permission is hereby granted, free of charge, to any person obtaining a copy 8 | // of this software and associated documentation files (the "Software"), to deal 9 | // in the Software without restriction, including without limitation the rights 10 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 | // copies of the Software, and to permit persons to whom the Software is 12 | // furnished to do so, subject to the following conditions: 13 | // 14 | // The above copyright notice and this permission notice shall be included in 15 | // all copies or substantial portions of the Software. 16 | // 17 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 | // THE SOFTWARE. 24 | // 25 | 26 | #import 27 | 28 | @protocol ALPickerViewDelegate; 29 | 30 | 31 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 32 | 33 | 34 | @interface ALPickerView : UIView { 35 | @private 36 | id delegate_; 37 | 38 | UITableView *internalTableView_; 39 | } 40 | 41 | // Set a delegate conforming to ALPickerViewDelegate protocol 42 | @property (nonatomic, assign) id delegate; 43 | // If set to nil the all option row is hidden at all, default is 'All' 44 | @property (nonatomic, copy) NSString *allOptionTitle; 45 | 46 | // Reload whole pickerview from delegate 47 | - (void)reloadAllComponents; 48 | 49 | @end 50 | 51 | 52 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 53 | 54 | 55 | @protocol ALPickerViewDelegate 56 | 57 | // Return the number of elements of your pickerview 58 | - (NSInteger)numberOfRowsForPickerView:(ALPickerView *)pickerView; 59 | // Return a plain UIString to display on the given row 60 | - (NSString *)pickerView:(ALPickerView *)pickerView textForRow:(NSInteger)row; 61 | // Return a boolean selection state on the given row 62 | - (BOOL)pickerView:(ALPickerView *)pickerView selectionStateForRow:(NSInteger)row; 63 | 64 | @optional 65 | 66 | // Inform the delegate that a row got selected, if row = -1 all rows are selected 67 | - (void)pickerView:(ALPickerView *)pickerView didCheckRow:(NSInteger)row; 68 | // Inform the delegate that a row got deselected, if row = -1 all rows are deselected 69 | - (void)pickerView:(ALPickerView *)pickerView didUncheckRow:(NSInteger)row; 70 | 71 | @end 72 | -------------------------------------------------------------------------------- /Classes/ALPickerView.m: -------------------------------------------------------------------------------- 1 | // 2 | // ALPickerView.m 3 | // 4 | // Created by Alex Leutgöb on 11.11.11. 5 | // Copyright 2011 alexleutgoeb.com. All rights reserved. 6 | // 7 | // Permission is hereby granted, free of charge, to any person obtaining a copy 8 | // of this software and associated documentation files (the "Software"), to deal 9 | // in the Software without restriction, including without limitation the rights 10 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 | // copies of the Software, and to permit persons to whom the Software is 12 | // furnished to do so, subject to the following conditions: 13 | // 14 | // The above copyright notice and this permission notice shall be included in 15 | // all copies or substantial portions of the Software. 16 | // 17 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 | // THE SOFTWARE. 24 | // 25 | 26 | #import "ALPickerView.h" 27 | #import "ALPickerViewCell.h" 28 | 29 | 30 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 31 | 32 | 33 | @implementation ALPickerView 34 | 35 | @synthesize delegate = delegate_; 36 | @synthesize allOptionTitle; 37 | 38 | 39 | #pragma mark - NSObject stuff 40 | 41 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 42 | - (id)init { 43 | return [self initWithFrame:CGRectMake(0, 0, 320, 216)]; 44 | } 45 | 46 | 47 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 48 | - (id)initWithFrame:(CGRect)frame { 49 | // Set fix width and height 50 | if ((self = [super initWithFrame:CGRectMake(frame.origin.x, frame.origin.y, 320, 216)])) { 51 | self.backgroundColor = [UIColor blackColor]; 52 | self.clipsToBounds = YES; 53 | self.allOptionTitle = NSLocalizedString(@"All", @"All option title"); 54 | 55 | internalTableView_ = [[UITableView alloc] initWithFrame:CGRectMake(10, -2, 300, 218) style:UITableViewStylePlain]; 56 | internalTableView_.delegate = self; 57 | internalTableView_.dataSource = self; 58 | internalTableView_.separatorStyle = UITableViewCellSeparatorStyleNone; 59 | internalTableView_.showsVerticalScrollIndicator = NO; 60 | internalTableView_.scrollsToTop = NO; 61 | UIImage *backgroundImage = [[UIImage imageNamed:@"wheel_bg"] stretchableImageWithLeftCapWidth:4 topCapHeight:0]; 62 | 63 | internalTableView_.backgroundView = [[[UIImageView alloc] initWithImage:backgroundImage] autorelease]; 64 | [self addSubview:internalTableView_]; 65 | 66 | // Add shadow to wheel 67 | UIImageView *shadow = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"wheel_shadow"]] autorelease]; 68 | shadow.frame = internalTableView_.frame; 69 | [self addSubview:shadow]; 70 | 71 | // Add border images 72 | UIImageView *leftBorder = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"frame_left"]] autorelease]; 73 | leftBorder.frame = CGRectMake(0, 0, 15, 216); 74 | [self addSubview:leftBorder]; 75 | UIImageView *rightBorder = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"frame_right"]] autorelease]; 76 | rightBorder.frame = CGRectMake(self.frame.size.width - 15, 0, 15, 216); 77 | [self addSubview:rightBorder]; 78 | UIImageView *middleBorder = [[[UIImageView alloc] initWithImage: 79 | [[UIImage imageNamed:@"frame_middle"] 80 | stretchableImageWithLeftCapWidth:0 topCapHeight:10]] autorelease]; 81 | middleBorder.frame = CGRectMake(15, 0, self.frame.size.width - 30, 216); 82 | [self addSubview:middleBorder]; 83 | } 84 | return self; 85 | } 86 | 87 | 88 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 89 | - (void)dealloc { 90 | [allOptionTitle release]; 91 | 92 | [internalTableView_ release]; 93 | [super dealloc]; 94 | } 95 | 96 | 97 | #pragma mark - Custom methods 98 | 99 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 100 | - (void)reloadAllComponents { 101 | [internalTableView_ reloadData]; 102 | } 103 | 104 | 105 | #pragma mark - UITableView 106 | 107 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 108 | - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { 109 | // Add 4 additional rows for whitespace on top and bottom 110 | if (allOptionTitle) 111 | return [delegate_ numberOfRowsForPickerView:self] ? [delegate_ numberOfRowsForPickerView:self] + 5 : 0; 112 | else 113 | return [delegate_ numberOfRowsForPickerView:self] ? [delegate_ numberOfRowsForPickerView:self] + 4 : 0; 114 | } 115 | 116 | 117 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 118 | - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { 119 | static NSString *CellIdentifier = @"ALPVCell"; 120 | 121 | ALPickerViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier]; 122 | if (cell == nil) { 123 | cell = [[[ALPickerViewCell alloc] initWithReuseIdentifier:CellIdentifier] autorelease]; 124 | } 125 | 126 | if (indexPath.row < 2 || indexPath.row >= ([delegate_ numberOfRowsForPickerView:self] + (allOptionTitle ? 3 : 2))) { 127 | // Whitespace cell 128 | cell.textLabel.text = nil; 129 | cell.selectionStyle = UITableViewCellSelectionStyleNone; 130 | } 131 | else { 132 | if (allOptionTitle && indexPath.row == 2) { 133 | cell.textLabel.text = allOptionTitle; 134 | BOOL allSelected = YES; 135 | for (int i = 0; i < [self.delegate numberOfRowsForPickerView:self]; i++) { 136 | if ([delegate_ pickerView:self selectionStateForRow:i] == NO) { 137 | allSelected = NO; 138 | break; 139 | } 140 | } 141 | cell.selectionState = allSelected; 142 | } 143 | else { 144 | int actualRow = indexPath.row - (allOptionTitle ? 3 : 2); 145 | cell.textLabel.text = [delegate_ pickerView:self textForRow:actualRow]; 146 | cell.selectionState = [delegate_ pickerView:self selectionStateForRow:actualRow]; 147 | } 148 | cell.selectionStyle = UITableViewCellSelectionStyleBlue; 149 | } 150 | 151 | return cell; 152 | } 153 | 154 | 155 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 156 | - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { 157 | if (indexPath.row > 1 && indexPath.row < ([delegate_ numberOfRowsForPickerView:self] + (allOptionTitle ? 3 : 2))) { 158 | // Set selection state 159 | ALPickerViewCell *cell = (ALPickerViewCell *)[tableView cellForRowAtIndexPath:indexPath]; 160 | cell.selectionState = !cell.selectionState; 161 | 162 | // Inform delegate 163 | int actualRow = indexPath.row - (allOptionTitle ? 3 : 2); 164 | 165 | if (cell.selectionState != NO) { 166 | if ([self.delegate respondsToSelector:@selector(pickerView:didCheckRow:)]) 167 | [delegate_ pickerView:self didCheckRow:actualRow]; 168 | } 169 | else { 170 | if ([self.delegate respondsToSelector:@selector(pickerView:didUncheckRow:)]) 171 | [delegate_ pickerView:self didUncheckRow:actualRow]; 172 | } 173 | 174 | // Iterate visible cells and update them too 175 | for (ALPickerViewCell *aCell in tableView.visibleCells) { 176 | int iterateRow = [tableView indexPathForCell:aCell].row - (allOptionTitle ? 3 : 2); 177 | 178 | if (allOptionTitle && iterateRow == -1) { 179 | BOOL allSelected = YES; 180 | for (int i = 0; i < [self.delegate numberOfRowsForPickerView:self]; i++) { 181 | if ([delegate_ pickerView:self selectionStateForRow:i] == NO) { 182 | allSelected = NO; 183 | break; 184 | } 185 | } 186 | aCell.selectionState = allSelected; 187 | } 188 | else if (iterateRow >= 0 && iterateRow < [delegate_ numberOfRowsForPickerView:self]) { 189 | if (iterateRow == actualRow) 190 | continue; 191 | aCell.selectionState = [delegate_ pickerView:self selectionStateForRow:iterateRow]; 192 | } 193 | } 194 | 195 | // Scroll the cell cell to the middle of the tableview 196 | [tableView setContentOffset:CGPointMake(0, tableView.rowHeight * (indexPath.row - 2)) animated:YES]; 197 | } 198 | 199 | [tableView deselectRowAtIndexPath:indexPath animated:YES]; 200 | } 201 | 202 | 203 | #pragma mark - ScrollView 204 | 205 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 206 | - (void)scrollViewDidEndDecelerating:(UITableView *)tableView { 207 | int co = ((int)tableView.contentOffset.y % (int)tableView.rowHeight); 208 | if (co < tableView.rowHeight / 2) 209 | [tableView setContentOffset:CGPointMake(0, tableView.contentOffset.y - co) animated:YES]; 210 | else 211 | [tableView setContentOffset:CGPointMake(0, tableView.contentOffset.y + (tableView.rowHeight - co)) animated:YES]; 212 | } 213 | 214 | 215 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 216 | - (void)scrollViewDidEndDragging:(UITableView *)scrollView willDecelerate:(BOOL)decelerate { 217 | if(decelerate) 218 | return; 219 | [self scrollViewDidEndDecelerating:scrollView]; 220 | } 221 | 222 | @end 223 | -------------------------------------------------------------------------------- /Classes/ALPickerViewCell.h: -------------------------------------------------------------------------------- 1 | // 2 | // ALPickerViewCell.h 3 | // 4 | // Created by Alex Leutgöb on 11.11.11. 5 | // Copyright 2011 alexleutgoeb.com. All rights reserved. 6 | // 7 | // Permission is hereby granted, free of charge, to any person obtaining a copy 8 | // of this software and associated documentation files (the "Software"), to deal 9 | // in the Software without restriction, including without limitation the rights 10 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 | // copies of the Software, and to permit persons to whom the Software is 12 | // furnished to do so, subject to the following conditions: 13 | // 14 | // The above copyright notice and this permission notice shall be included in 15 | // all copies or substantial portions of the Software. 16 | // 17 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 | // THE SOFTWARE. 24 | // 25 | 26 | #import 27 | 28 | 29 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 30 | 31 | 32 | @interface ALPickerViewCell : UITableViewCell { 33 | @private 34 | BOOL selectionState_; 35 | } 36 | 37 | @property (nonatomic, assign) BOOL selectionState; 38 | 39 | - (id)initWithReuseIdentifier:(NSString *)reuseIdentifier; 40 | 41 | @end 42 | -------------------------------------------------------------------------------- /Classes/ALPickerViewCell.m: -------------------------------------------------------------------------------- 1 | // 2 | // ALPickerViewCell.m 3 | // 4 | // Created by Alex Leutgöb on 11.11.11. 5 | // Copyright 2011 alexleutgoeb.com. All rights reserved. 6 | // 7 | // Permission is hereby granted, free of charge, to any person obtaining a copy 8 | // of this software and associated documentation files (the "Software"), to deal 9 | // in the Software without restriction, including without limitation the rights 10 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 | // copies of the Software, and to permit persons to whom the Software is 12 | // furnished to do so, subject to the following conditions: 13 | // 14 | // The above copyright notice and this permission notice shall be included in 15 | // all copies or substantial portions of the Software. 16 | // 17 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 | // THE SOFTWARE. 24 | // 25 | 26 | #import "ALPickerViewCell.h" 27 | 28 | 29 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 30 | 31 | 32 | @implementation ALPickerViewCell 33 | 34 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 35 | - (id)initWithReuseIdentifier:(NSString *)reuseIdentifier { 36 | if ((self = [super initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuseIdentifier])) { 37 | selectionState_ = NO; 38 | self.textLabel.font = [UIFont boldSystemFontOfSize:21]; 39 | } 40 | return self; 41 | } 42 | 43 | 44 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 45 | - (void)prepareForReuse { 46 | [super prepareForReuse]; 47 | 48 | self.imageView.image = nil; 49 | self.imageView.highlightedImage = nil; 50 | } 51 | 52 | 53 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 54 | - (BOOL)selectionState { 55 | return selectionState_; 56 | } 57 | 58 | 59 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 60 | - (void)setSelectionState:(BOOL)selectionState { 61 | selectionState_ = selectionState; 62 | 63 | if (selectionState_ != NO) { 64 | self.imageView.image = [UIImage imageNamed:@"check"]; 65 | self.imageView.highlightedImage = [UIImage imageNamed:@"check_selected"]; 66 | self.textLabel.textColor = [UIColor colorWithRed:33/256. green:80/256. blue:134/256. alpha:1]; 67 | } 68 | else { 69 | self.imageView.image = nil; 70 | self.imageView.highlightedImage = nil; 71 | self.textLabel.textColor = [UIColor blackColor]; 72 | } 73 | 74 | [self.imageView setNeedsDisplay]; 75 | [self.textLabel setNeedsDisplay]; 76 | [self setNeedsLayout]; 77 | } 78 | 79 | 80 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 81 | - (void)layoutSubviews { 82 | [super layoutSubviews]; 83 | 84 | self.imageView.frame = CGRectMake(15, 12, 18, 18); 85 | self.textLabel.frame = CGRectMake(44, 9, self.frame.size.width - 54, 24); 86 | } 87 | 88 | @end 89 | -------------------------------------------------------------------------------- /Demo/Classes/DemoAppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // DemoAppDelegate.h 3 | // Demo 4 | // 5 | // Created by Alex Leutgöb on 17.01.11. 6 | // Copyright 2011 alexleutgoeb.com. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @class DemoViewController; 12 | 13 | @interface DemoAppDelegate : NSObject { 14 | UIWindow *window; 15 | DemoViewController *viewController; 16 | } 17 | 18 | @property (nonatomic, retain) IBOutlet UIWindow *window; 19 | @property (nonatomic, retain) IBOutlet DemoViewController *viewController; 20 | 21 | @end 22 | 23 | -------------------------------------------------------------------------------- /Demo/Classes/DemoAppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // DemoAppDelegate.m 3 | // Demo 4 | // 5 | // Created by Alex Leutgöb on 17.01.11. 6 | // Copyright 2011 alexleutgoeb.com. All rights reserved. 7 | // 8 | 9 | #import "DemoAppDelegate.h" 10 | #import "DemoViewController.h" 11 | 12 | @implementation DemoAppDelegate 13 | 14 | @synthesize window; 15 | @synthesize viewController; 16 | 17 | 18 | #pragma mark - 19 | #pragma mark Application lifecycle 20 | 21 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 22 | 23 | // Override point for customization after application launch. 24 | 25 | // Add the view controller's view to the window and display. 26 | [self.window addSubview:viewController.view]; 27 | [self.window makeKeyAndVisible]; 28 | 29 | return YES; 30 | } 31 | 32 | 33 | - (void)applicationWillResignActive:(UIApplication *)application { 34 | /* 35 | Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. 36 | Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game. 37 | */ 38 | } 39 | 40 | 41 | - (void)applicationDidEnterBackground:(UIApplication *)application { 42 | /* 43 | Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 44 | If your application supports background execution, called instead of applicationWillTerminate: when the user quits. 45 | */ 46 | } 47 | 48 | 49 | - (void)applicationWillEnterForeground:(UIApplication *)application { 50 | /* 51 | Called as part of transition from the background to the inactive state: here you can undo many of the changes made on entering the background. 52 | */ 53 | } 54 | 55 | 56 | - (void)applicationDidBecomeActive:(UIApplication *)application { 57 | /* 58 | Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. 59 | */ 60 | } 61 | 62 | 63 | - (void)applicationWillTerminate:(UIApplication *)application { 64 | /* 65 | Called when the application is about to terminate. 66 | See also applicationDidEnterBackground:. 67 | */ 68 | } 69 | 70 | 71 | #pragma mark - 72 | #pragma mark Memory management 73 | 74 | - (void)applicationDidReceiveMemoryWarning:(UIApplication *)application { 75 | /* 76 | Free up as much memory as possible by purging cached data objects that can be recreated (or reloaded from disk) later. 77 | */ 78 | } 79 | 80 | 81 | - (void)dealloc { 82 | [viewController release]; 83 | [window release]; 84 | [super dealloc]; 85 | } 86 | 87 | 88 | @end 89 | -------------------------------------------------------------------------------- /Demo/Classes/DemoViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // DemoViewController.h 3 | // Demo 4 | // 5 | // Created by Alex Leutgöb on 17.01.11. 6 | // Copyright 2011 alexleutgoeb.com. All rights reserved. 7 | // 8 | 9 | #import 10 | #import "ALPickerView.h" 11 | 12 | 13 | @interface DemoViewController : UIViewController { 14 | NSArray *entries; 15 | NSMutableDictionary *selectionStates; 16 | 17 | ALPickerView *pickerView; 18 | } 19 | 20 | @end 21 | -------------------------------------------------------------------------------- /Demo/Classes/DemoViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // DemoViewController.m 3 | // Demo 4 | // 5 | // Created by Alex Leutgöb on 17.01.11. 6 | // Copyright 2011 alexleutgoeb.com. All rights reserved. 7 | // 8 | 9 | #import "DemoViewController.h" 10 | 11 | 12 | @implementation DemoViewController 13 | 14 | 15 | - (void)viewDidLoad { 16 | [super viewDidLoad]; 17 | 18 | // Create some sample data 19 | entries = [[NSArray alloc] initWithObjects:@"Row 1", @"Row 2", @"Row 3", @"Row 4", @"Row 5", nil]; 20 | selectionStates = [[NSMutableDictionary alloc] init]; 21 | for (NSString *key in entries) 22 | [selectionStates setObject:[NSNumber numberWithBool:NO] forKey:key]; 23 | 24 | // Init picker and add it to view 25 | pickerView = [[ALPickerView alloc] initWithFrame:CGRectMake(0, 244, 0, 0)]; 26 | pickerView.delegate = self; 27 | [self.view addSubview:pickerView]; 28 | } 29 | 30 | - (void)dealloc { 31 | [pickerView release]; 32 | 33 | [selectionStates release]; 34 | [entries release]; 35 | [super dealloc]; 36 | } 37 | 38 | 39 | #pragma mark - 40 | #pragma mark ALPickerView delegate methods 41 | 42 | - (NSInteger)numberOfRowsForPickerView:(ALPickerView *)pickerView { 43 | return [entries count]; 44 | } 45 | 46 | - (NSString *)pickerView:(ALPickerView *)pickerView textForRow:(NSInteger)row { 47 | return [entries objectAtIndex:row]; 48 | } 49 | 50 | - (BOOL)pickerView:(ALPickerView *)pickerView selectionStateForRow:(NSInteger)row { 51 | return [[selectionStates objectForKey:[entries objectAtIndex:row]] boolValue]; 52 | } 53 | 54 | - (void)pickerView:(ALPickerView *)pickerView didCheckRow:(NSInteger)row { 55 | // Check whether all rows are checked or only one 56 | if (row == -1) 57 | for (id key in [selectionStates allKeys]) 58 | [selectionStates setObject:[NSNumber numberWithBool:YES] forKey:key]; 59 | else 60 | [selectionStates setObject:[NSNumber numberWithBool:YES] forKey:[entries objectAtIndex:row]]; 61 | } 62 | 63 | - (void)pickerView:(ALPickerView *)pickerView didUncheckRow:(NSInteger)row { 64 | // Check whether all rows are unchecked or only one 65 | if (row == -1) 66 | for (id key in [selectionStates allKeys]) 67 | [selectionStates setObject:[NSNumber numberWithBool:NO] forKey:key]; 68 | else 69 | [selectionStates setObject:[NSNumber numberWithBool:NO] forKey:[entries objectAtIndex:row]]; 70 | } 71 | 72 | @end 73 | -------------------------------------------------------------------------------- /Demo/Demo-Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | English 7 | CFBundleDisplayName 8 | ${PRODUCT_NAME} 9 | CFBundleExecutable 10 | ${EXECUTABLE_NAME} 11 | CFBundleIconFile 12 | 13 | CFBundleIdentifier 14 | com.yourcompany.${PRODUCT_NAME:rfc1034identifier} 15 | CFBundleInfoDictionaryVersion 16 | 6.0 17 | CFBundleName 18 | ${PRODUCT_NAME} 19 | CFBundlePackageType 20 | APPL 21 | CFBundleSignature 22 | ???? 23 | CFBundleVersion 24 | 1.0 25 | LSRequiresIPhoneOS 26 | 27 | NSMainNibFile 28 | MainWindow 29 | 30 | 31 | -------------------------------------------------------------------------------- /Demo/Demo.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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