mirror of
https://github.com/HackPlan/IQKeyboardManager.git
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381 lines
12 KiB
Objective-C
381 lines
12 KiB
Objective-C
//
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// IQKeyboardReturnKeyHandler.m
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// https://github.com/hackiftekhar/IQKeyboardManager
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// Copyright (c) 2013-15 Iftekhar Qurashi.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import "IQKeyboardReturnKeyHandler.h"
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#import "IQUIView+Hierarchy.h"
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#import "IQNSArray+Sort.h"
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#import <Foundation/NSSet.h>
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#import <UIKit/UITextField.h>
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#import <UIKit/UITextView.h>
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#import <UIKit/UITableView.h>
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#import <UIKit/UIViewController.h>
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#ifdef NSFoundationVersionNumber_iOS_5_1
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#import <UIKit/UICollectionView.h>
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#endif
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NSString *const kIQTextField = @"kIQTextField";
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NSString *const kIQTextFieldDelegate = @"kIQTextFieldDelegate";
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NSString *const kIQTextFieldReturnKeyType = @"kIQTextFieldReturnKeyType";
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@interface IQKeyboardReturnKeyHandler ()<UITextFieldDelegate,UITextViewDelegate>
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-(void)updateReturnKeyTypeOnTextField:(UIView*)textField;
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@end
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@implementation IQKeyboardReturnKeyHandler
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{
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NSMutableSet *textFieldInfoCache;
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}
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@synthesize lastTextFieldReturnKeyType = _lastTextFieldReturnKeyType;
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@synthesize toolbarManageBehaviour = _toolbarManageBehaviour;
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@synthesize delegate = _delegate;
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-(instancetype)initWithViewController:(UIViewController*)controller
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{
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self = [super init];
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if (self)
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{
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textFieldInfoCache = [[NSMutableSet alloc] init];
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[self addResponderFromView:controller.view];
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}
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return self;
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}
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-(NSDictionary*)textFieldCachedInfo:(UITextField*)textField
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{
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for (NSDictionary *infoDict in textFieldInfoCache)
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if ([infoDict objectForKey:kIQTextField] == textField) return infoDict;
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return nil;
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}
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#pragma mark - Add/Remove TextFields
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-(void)addResponderFromView:(UIView*)view
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{
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NSArray *textFields = [view deepResponderViews];
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for (UITextField *textField in textFields) [self addTextFieldView:textField];
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}
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-(void)removeResponderFromView:(UIView*)view
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{
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NSArray *textFields = [view deepResponderViews];
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for (UITextField *textField in textFields) [self removeTextFieldView:textField];
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}
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-(void)removeTextFieldView:(UITextField*)textField
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{
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NSDictionary *dict = [self textFieldCachedInfo:textField];
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if (dict)
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{
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textField.keyboardType = [[dict objectForKey:kIQTextFieldReturnKeyType] integerValue];
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textField.delegate = [dict objectForKey:kIQTextFieldDelegate];
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[textFieldInfoCache removeObject:dict];
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}
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}
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-(void)addTextFieldView:(UITextField*)textField
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{
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NSMutableDictionary *dictInfo = [[NSMutableDictionary alloc] init];
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[dictInfo setObject:textField forKey:kIQTextField];
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[dictInfo setObject:[NSNumber numberWithInteger:textField.returnKeyType] forKey:kIQTextFieldReturnKeyType];
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if (textField.delegate) [dictInfo setObject:textField.delegate forKey:kIQTextFieldDelegate];
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[textField setDelegate:self];
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[textFieldInfoCache addObject:dictInfo];
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}
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#pragma mark - Overriding lastTextFieldReturnKeyType
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-(void)setLastTextFieldReturnKeyType:(UIReturnKeyType)lastTextFieldReturnKeyType
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{
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_lastTextFieldReturnKeyType = lastTextFieldReturnKeyType;
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for (NSDictionary *infoDict in textFieldInfoCache)
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{
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UITextField *textField = [infoDict objectForKey:kIQTextField];
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[self updateReturnKeyTypeOnTextField:textField];
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}
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}
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-(void)updateReturnKeyTypeOnTextField:(UIView*)textField
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{
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UIView *tableView = [textField superviewOfClassType:[UITableView class]];
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#ifdef NSFoundationVersionNumber_iOS_5_1
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if (tableView == nil) tableView = [textField superviewOfClassType:[UICollectionView class]];
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#endif
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NSArray *textFields = nil;
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//If there is a tableView in view's hierarchy, then fetching all it's subview that responds. No sorting for tableView, it's by subView position.
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if (tableView) // // (Enhancement ID: #22)
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{
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textFields = [tableView deepResponderViews];
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}
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//Otherwise fetching all the siblings
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else
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{
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textFields = [textField responderSiblings];
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//Sorting textFields according to behaviour
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switch (_toolbarManageBehaviour)
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{
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//If needs to sort it by tag
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case IQAutoToolbarByTag:
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textFields = [textFields sortedArrayByTag];
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break;
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//If needs to sort it by Position
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case IQAutoToolbarByPosition:
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textFields = [textFields sortedArrayByPosition];
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break;
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default:
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break;
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}
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}
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//If it's the last textField in responder view, else next
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[(UITextField*)textField setReturnKeyType:(([textFields lastObject] == textField) ? self.lastTextFieldReturnKeyType : UIReturnKeyNext)];
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}
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#pragma mark - Goto next or Resign.
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-(void)goToNextResponderOrResign:(UIView*)textField
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{
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UIView *tableView = [textField superviewOfClassType:[UITableView class]];
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#ifdef NSFoundationVersionNumber_iOS_5_1
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if (tableView == nil) tableView = [textField superviewOfClassType:[UICollectionView class]];
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#endif
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NSArray *textFields = nil;
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//If there is a tableView in view's hierarchy, then fetching all it's subview that responds. No sorting for tableView, it's by subView position.
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if (tableView) // // (Enhancement ID: #22)
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{
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textFields = [tableView deepResponderViews];
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}
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//Otherwise fetching all the siblings
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else
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{
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textFields = [textField responderSiblings];
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//Sorting textFields according to behaviour
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switch (_toolbarManageBehaviour)
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{
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//If needs to sort it by tag
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case IQAutoToolbarByTag:
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textFields = [textFields sortedArrayByTag];
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break;
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//If needs to sort it by Position
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case IQAutoToolbarByPosition:
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textFields = [textFields sortedArrayByPosition];
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break;
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default:
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break;
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}
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}
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if ([textFields containsObject:textField])
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{
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//Getting index of current textField.
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NSUInteger index = [textFields indexOfObject:textField];
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//If it is not last textField. then it's next object becomeFirstResponder.
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(index < textFields.count-1) ? [[textFields objectAtIndex:index+1] becomeFirstResponder] : [textField resignFirstResponder];
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}
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}
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#pragma mark - TextField delegate
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- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
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{
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if ([self.delegate respondsToSelector:@selector(textFieldShouldBeginEditing:)])
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return [self.delegate textFieldShouldBeginEditing:textField];
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else
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return YES;
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}
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- (void)textFieldDidBeginEditing:(UITextField *)textField
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{
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[self updateReturnKeyTypeOnTextField:textField];
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if ([self.delegate respondsToSelector:@selector(textFieldDidBeginEditing:)])
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[self.delegate textFieldDidBeginEditing:textField];
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}
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- (BOOL)textFieldShouldEndEditing:(UITextField *)textField
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{
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if ([self.delegate respondsToSelector:@selector(textFieldShouldEndEditing:)])
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return [self.delegate textFieldShouldEndEditing:textField];
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else
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return YES;
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}
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- (void)textFieldDidEndEditing:(UITextField *)textField
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{
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if ([self.delegate respondsToSelector:@selector(textFieldDidEndEditing:)])
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[self.delegate textFieldDidEndEditing:textField];
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}
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- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
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{
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if ([self.delegate respondsToSelector:@selector(textField:shouldChangeCharactersInRange:replacementString:)])
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return [self.delegate textField:textField shouldChangeCharactersInRange:range replacementString:string];
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else
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return YES;
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}
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- (BOOL)textFieldShouldClear:(UITextField *)textField
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{
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if ([self.delegate respondsToSelector:@selector(textFieldShouldClear:)])
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return [self.delegate textFieldShouldClear:textField];
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else
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return YES;
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}
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-(BOOL)textFieldShouldReturn:(UITextField *)textField
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{
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BOOL shouldReturn = YES;
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if ([self.delegate respondsToSelector:@selector(textFieldShouldReturn:)])
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shouldReturn = [self.delegate textFieldShouldReturn:textField];
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if (shouldReturn)
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{
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[self goToNextResponderOrResign:textField];
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}
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return shouldReturn;
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}
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#pragma mark - TextView delegate
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- (BOOL)textViewShouldBeginEditing:(UITextView *)textView
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{
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if ([self.delegate respondsToSelector:@selector(textViewShouldBeginEditing:)])
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return [self.delegate textViewShouldBeginEditing:textView];
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else
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return YES;
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}
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- (BOOL)textViewShouldEndEditing:(UITextView *)textView
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{
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if ([self.delegate respondsToSelector:@selector(textViewShouldEndEditing:)])
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return [self.delegate textViewShouldEndEditing:textView];
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else
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return YES;
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}
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- (void)textViewDidBeginEditing:(UITextView *)textView
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{
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[self updateReturnKeyTypeOnTextField:textView];
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if ([self.delegate respondsToSelector:@selector(textViewDidBeginEditing:)])
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[self.delegate textViewDidBeginEditing:textView];
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}
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- (void)textViewDidEndEditing:(UITextView *)textView
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{
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if ([self.delegate respondsToSelector:@selector(textViewDidEndEditing:)])
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[self.delegate textViewDidEndEditing:textView];
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}
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- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
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{
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BOOL shouldReturn = YES;
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if ([self.delegate respondsToSelector:@selector(textView:shouldChangeTextInRange:replacementText:)])
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shouldReturn = [self.delegate textView:textView shouldChangeTextInRange:range replacementText:text];
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if (shouldReturn && [text isEqualToString:@"\n"])
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{
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[self goToNextResponderOrResign:textView];
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}
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return shouldReturn;
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}
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- (void)textViewDidChange:(UITextView *)textView
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{
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if ([self.delegate respondsToSelector:@selector(textViewDidChange:)])
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[self.delegate textViewDidChange:textView];
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}
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- (void)textViewDidChangeSelection:(UITextView *)textView
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{
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if ([self.delegate respondsToSelector:@selector(textViewDidChangeSelection:)])
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[self.delegate textViewDidChangeSelection:textView];
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}
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#ifdef NSFoundationVersionNumber_iOS_6_1
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- (BOOL)textView:(UITextView *)textView shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange
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{
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if ([self.delegate respondsToSelector:@selector(textView:shouldInteractWithURL:inRange:)])
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return [self.delegate textView:textView shouldInteractWithURL:URL inRange:characterRange];
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else
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return YES;
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}
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- (BOOL)textView:(UITextView *)textView shouldInteractWithTextAttachment:(NSTextAttachment *)textAttachment inRange:(NSRange)characterRange
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{
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if ([self.delegate respondsToSelector:@selector(textView:shouldInteractWithTextAttachment:inRange:)])
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return [self.delegate textView:textView shouldInteractWithTextAttachment:textAttachment inRange:characterRange];
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else
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return YES;
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}
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#endif
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-(void)dealloc
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{
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for (NSDictionary *dict in textFieldInfoCache)
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{
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UITextField *textField = [dict objectForKey:kIQTextField];
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textField.keyboardType = [[dict objectForKey:kIQTextFieldReturnKeyType] integerValue];
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textField.delegate = [dict objectForKey:kIQTextFieldDelegate];
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}
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[textFieldInfoCache removeAllObjects];
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}
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@end
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