小说绘上架版本

2021-02-07 11:24:08 +08:00
commit ee5c1c8b12
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+//
+//  CXCustomTextView.h
+//  CXTextView_Example
+//
+//  Created by caixiang on 2019/5/6.
+//  Copyright © 2019年 616704162@qq.com. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface CXCustomTextView : UITextView
+/**
+ 占位文字
+ */
+@property (nonatomic, copy) NSString *placeholder;
+/**
+ 占位文字的颜色
+ */
+@property (nonatomic, strong) UIColor *placeholderColor;
+/**
+ 占位符的文字位置
+ */
+@property(nonatomic,assign)CGPoint placePoint;
+/**
+ 最大字数
+ */
+@property (nonatomic, assign)NSInteger maxLength;
+/**
+ 文字改变的回调（只是赋值的回调，编辑的改变不回调 有KVO监听）
+ */
+@property(nonatomic,copy)void (^textDidChangeHandlerBlock)(CXCustomTextView *textView);
+/**
+ 触发到最大字数的回调
+ */
+@property(nonatomic,copy)void (^textLengthDidMaxHandlerBlock)(CXCustomTextView *textView);
+
+@end
+
+NS_ASSUME_NONNULL_END
@@ -0,0 +1,168 @@
+//
+//  CXCustomTextView.m
+//  CXTextView_Example
+//
+//  Created by caixiang on 2019/5/6.
+//  Copyright © 2019年 616704162@qq.com. All rights reserved.
+//
+
+#import "CXCustomTextView.h"
+#import "TFKeyboardManager.h"
+
+@interface CXCustomTextView()
+#pragma mark - Data Perproty
+@property (nonatomic, assign) BOOL isNameTextFieldEnbable;
+@end
+
+@implementation CXCustomTextView
+
+#pragma mark - life Cycle
+-(instancetype)initWithCoder:(NSCoder *)aDecoder{
+    self = [super initWithCoder:aDecoder];
+    if (self) {
+        [self initilize];
+    }
+    return self;
+}
+
+- (id)initWithFrame:(CGRect)frame {
+    self = [super initWithFrame:frame];
+    if (self) {
+        [self initilize];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+    [self removeObserver:self forKeyPath:@"text"];
+}
+
+- (void)drawRect:(CGRect)rect{
+    if (self.hasText) return;
+    // 文字属性
+    NSMutableDictionary *attrs = [NSMutableDictionary dictionary];
+    attrs[NSFontAttributeName] = self.font;
+    attrs[NSForegroundColorAttributeName] = self.placeholderColor?self.placeholderColor:[UIColor grayColor];
+    // 画文字
+    CGFloat x = self.placePoint.x;
+    CGFloat w = rect.size.width - 2 * x;
+    CGFloat y = self.placePoint.y;
+    CGFloat h = rect.size.height - 2 * y;
+    CGRect placeholderRect = CGRectMake(x, y, w, h);
+    [self.placeholder drawInRect:placeholderRect withAttributes:attrs];
+}
+
+#pragma mark - NSNotification
+- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text{
+    //返回删除键
+    if ([text isEqualToString:@"\n"]) {
+        //切换下一个
+        return NO;
+    }
+    if ([text isEqualToString:@""]) {
+        return YES;
+    }else{
+        return _isNameTextFieldEnbable;
+    }
+}
+
+#pragma mark - Notification
+/**
+ * 监听文字改变
+ */
+- (void)textDidChange:(NSNotification *)notification {
+    self.isNameTextFieldEnbable = YES;
+    UITextInputMode *mode = (UITextInputMode *)[UITextInputMode activeInputModes][0];
+    NSString *lang = mode.primaryLanguage;
+    //汉字
+    if ([lang isEqualToString:@"zh-Hans"]) {
+        UITextRange *selectedRange = [self markedTextRange];
+        UITextPosition *position = [self positionFromPosition:selectedRange.start offset:0];
+        if (!position) {
+            if (self.text.length > self.maxLength) {
+                self.text = [self.text substringToIndex:self.maxLength];
+                self.isNameTextFieldEnbable = NO;
+                !self.textLengthDidMaxHandlerBlock?:self.textLengthDidMaxHandlerBlock(self);
+            }
+        }
+    }
+    //非汉字状态
+    else{
+        if (self.text.length > self.maxLength) {
+            self.text = [self.text substringToIndex:self.maxLength];
+            self.isNameTextFieldEnbable = NO;
+            !self.textLengthDidMaxHandlerBlock?:self.textLengthDidMaxHandlerBlock(self);
+        }
+    }
+    // 重绘（重新调用）
+    [self setNeedsDisplay];
+}
+
+#pragma mark - private
+-(void)initilize{
+    if (@available(iOS 11.0, *)) {
+        self.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
+    }
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textDidChange:) name:UITextViewTextDidChangeNotification object:self];
+    self.returnKeyType = UIReturnKeySend;
+    self.placePoint = CGPointMake(5, 0);
+    [self addObserver:self forKeyPath:@"text" options:NSKeyValueObservingOptionNew context:nil];
+    
+    UIToolbar *toolBar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 40)];
+    toolBar.barStyle = UIBarStyleDefault;
+    
+    UIBarButtonItem *flexibleSpaceItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
+    
+    UIBarButtonItem *doneItem = [[UIBarButtonItem alloc] initWithTitle:TFLocalizedString(@"完成") style:UIBarButtonItemStyleDone target:self action:@selector(hideKeyboard)];
+    
+    [toolBar setItems:@[flexibleSpaceItem, doneItem]];
+    
+    self.inputAccessoryView = toolBar;
+}
+
+- (void)hideKeyboard
+{
+    [TFKeyboardManager hideKeyboard];
+}
+
+#pragma mark -KVO
+- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context{
+    if (object == self && [keyPath isEqualToString:@"text"]) {
+        !self.textDidChangeHandlerBlock?:self.textDidChangeHandlerBlock(self);
+    }
+}
+
+#pragma mark - getter & setter
+- (void)setPlaceholder:(NSString *)placeholder {
+    _placeholder = [placeholder copy];
+    [self setNeedsDisplay];
+}
+
+- (void)setPlaceholderColor:(UIColor *)placeholderColor {
+    _placeholderColor = placeholderColor;
+    [self setNeedsDisplay];
+}
+
+- (void)setText:(NSString *)text {
+    [super setText:text];
+    //为了让kvo 监听的textviewb内容变化 能撑起contentSize，默认只是对self.text赋值self.scrollEnabled = NO;
+    self.scrollEnabled = YES;
+    //如果输入的文字超出最大行数,清零的时候需要将contentSizeOffset置空,可以让绘制的placeholde位置能正确显示
+    if (text.length == 0) {
+        [self setContentOffset:CGPointZero];
+    }
+    [self setNeedsDisplay];
+}
+
+- (void)setFont:(UIFont *)font {
+    [super setFont:font];
+    [self setNeedsDisplay];
+}
+
+-(void)setPlacePoint:(CGPoint)placePoint{
+    _placePoint = placePoint;
+    [self setNeedsDisplay];
+}
+
+@end
@@ -0,0 +1,94 @@
+//
+//  CXTextView.h
+//  CXTextView_Example
+//
+//  Created by caixiang on 2019/5/6.
+//  Copyright © 2019年 616704162@qq.com. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+@class CXCustomTextView;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface CXTextView : UIView
+
+/**
+ 真实的textView
+ */
+@property (nonatomic, strong) CXCustomTextView *textView;
+/**
+ 竖直方向上下间距 默认为8
+ */
+@property (nonatomic, assign)CGFloat v_margin;
+/**
+ 水平方向上下间距 默认为0
+ */
+@property(nonatomic,assign)CGFloat h_margin;
+/**
+ 初始需要展示的行数 默认为1
+ */
+@property(nonatomic,assign)NSInteger initiLine;
+/**
+ 最大行数 默认为无穷大
+ */
+@property(nonatomic,assign)NSInteger maxLine;
+/**
+ 占位文字
+ */
+@property(nonatomic,strong)NSString *placeholder;
+/**
+ 占位文字的颜色
+ */
+@property (nonatomic, strong) UIColor *placeholderColor;
+/**
+ 最大字数
+ */
+@property (nonatomic, assign)NSInteger maxLength;
+/**
+ 默认为17
+ */
+@property(nonatomic,strong)UIFont *font;
+/**
+ 置占位符的位置，竖直方向设置v_margin即可  CGPointMake(5, 0);//占位文字的起始位置
+ */
+@property(nonatomic,assign)CGPoint placePoint;
+/**
+ 文字
+ */
+@property (copy, nonatomic) NSString *text;
+/**
+ 文字颜色
+ */
+@property (strong, nonatomic) UIColor *textColor;
+/**
+ 高度变化回调
+ */
+@property(nonatomic,copy)void (^textHeightChangeBlock)(CGFloat height);
+/**
+ 开始编辑回调
+ */
+@property(nonatomic,copy)void (^textViewDidBeginEditingBlock)(UITextView *textView);
+/**
+ 结束编辑回调
+ */
+@property(nonatomic,copy)void (^textViewDidEndEditingBlock)(UITextView *textView);
+/**
+ 最大值回调
+ */
+@property(nonatomic,copy)void (^textLengthDidMaxHandlerBlock)(UITextView *textView);
+/**
+ 文字变动改变回调
+ */
+@property(nonatomic,copy)void (^textDidChangeHandlerBlock)(UITextView *textView);
+
+/**
+ 发送按钮
+ */
+@property (nonatomic, copy) void(^returnHandlerBlock)(void);
+
+- (void)textViewBecomeFirstResponder;
+
+@end
+
+NS_ASSUME_NONNULL_END
@@ -0,0 +1,205 @@
+//
+//  CXTextView.m
+//  CXTextView_Example
+//
+//  Created by caixiang on 2019/5/6.
+//  Copyright © 2019年 616704162@qq.com. All rights reserved.
+//
+
+#import "CXTextView.h"
+#import "CXCustomTextView.h"
+
+@interface CXTextView()<UITextViewDelegate>
+@end
+
+@implementation CXTextView
+
+@synthesize text = _text;
+
+#pragma mark - life Cycle
+
+- (instancetype)initWithCoder:(NSCoder *)aDecoder{
+    self = [super initWithCoder: aDecoder];
+    if (self) {
+        [self initilize];
+    }
+    return self;
+}
+
+- (instancetype)initWithFrame:(CGRect)frame{
+    self = [super initWithFrame:frame];
+    if (self) {
+        [self initilize];
+    }
+    return self;
+}
+
+- (void)layoutSubviews{
+    [super layoutSubviews];
+    self.textView.width = self.frame.size.width - 2 *self.h_margin;
+}
+
+#pragma mark - UITextViewDelegate
+-(void)textViewDidChange:(UITextView *)textView{
+    !self.textDidChangeHandlerBlock?:self.textDidChangeHandlerBlock(textView);
+    [self updateTextViewHeight];
+    !self.textHeightChangeBlock?:self.textHeightChangeBlock(self.height);
+    [textView scrollRangeToVisible:NSMakeRange(textView.selectedRange.location, 1)];
+}
+
+- (void)textViewDidBeginEditing:(UITextView *)textView {
+    !self.textViewDidBeginEditingBlock?:self.textViewDidBeginEditingBlock(textView);
+}
+
+- (void)textViewDidEndEditing:(UITextView *)textView {
+    !self.textViewDidEndEditingBlock?:self.textViewDidEndEditingBlock(textView);
+}
+
+- (BOOL)textView:(YYTextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
+{
+    if ([text isEqualToString:@"\n"]){
+        NSString *sendMessage = [textView.text stringByReplacingOccurrencesOfString:@" " withString:@""];
+        if (sendMessage.length > 0) {
+            if (self.returnHandlerBlock) {
+                self.returnHandlerBlock();
+            }
+        }
+        return NO;
+    }
+    return YES;
+}
+
+- (void)updateTextViewHeight {
+    CGFloat contentSizeH = ceilf(self.textView.contentSize.height);
+    //内容高度
+    if (self.textView.text.length == 0) {
+        contentSizeH = ceilf(self.font.lineHeight * self.initiLine);
+    }
+    //最大高度
+    CGFloat maxHeight = ceilf(self.font.lineHeight * self.maxLine);
+    //初始高度
+    CGFloat initiTextViewHeight = ceilf(self.initiLine *self.font.lineHeight);
+    if (contentSizeH <= maxHeight) {
+        if (contentSizeH <= initiTextViewHeight) {
+            self.textView.height = ceilf(initiTextViewHeight);
+        }else{
+            self.textView.height = ceilf(contentSizeH);
+        }
+    }else{
+        self.textView.height = ceilf(maxHeight);
+    }
+    self.height = self.textView.height + 2 * self.v_margin;
+}
+
+
+#pragma mark - private
+//初始化
+- (void)initilize{
+    self.h_margin  = 0;
+    self.v_margin = 8;
+    self.initiLine = 1;
+    self.maxLine = CGFLOAT_MAX;
+    self.maxLength = CGFLOAT_MAX;
+    self.font = [UIFont systemFontOfSize:16];
+    [self addSubview:self.textView];
+}
+
+- (void)updateTextViewFrame{
+    self.textView.frame =  CGRectMake(self.h_margin, self.v_margin, self.frame.size.width - 2 *self.h_margin, ceilf(self.initiLine *self.font.lineHeight));
+    self.height = self.v_margin *2 + ceilf(self.initiLine *self.font.lineHeight);
+}
+
+- (void)textViewBecomeFirstResponder
+{
+    [self.textView becomeFirstResponder];
+}
+
+#pragma mark - getter & setter
+- (void)setMaxLine:(NSInteger)maxLine{
+    _maxLine = maxLine;
+}
+
+- (void)setH_margin:(CGFloat)h_margin{
+    _h_margin = h_margin;
+    [self updateTextViewFrame];
+}
+
+- (void)setV_margin:(CGFloat)v_margin{
+    _v_margin = v_margin;
+    [self updateTextViewFrame];
+}
+
+- (void)setInitiLine:(NSInteger)initiLine{
+    _initiLine = initiLine;
+    [self updateTextViewFrame];
+}
+
+- (void)setFont:(UIFont *)font{
+    _font = font;
+    self.textView.font = font;
+    [self updateTextViewFrame];
+}
+
+- (void)setPlaceholderColor:(UIColor *)placeholderColor {
+    _placeholderColor = placeholderColor;
+    self.textView.placeholderColor = placeholderColor;
+}
+
+- (void)setTextColor:(UIColor *)textColor {
+    _textColor = textColor;
+    self.textView.textColor = textColor;
+}
+
+- (void)setPlaceholder:(NSString *)placeholder{
+    _placeholder = placeholder;
+    self.textView.placeholder = placeholder;
+}
+
+- (void)setPlacePoint:(CGPoint)placePoint{
+    _placePoint = placePoint;
+    self.textView.placePoint = placePoint;
+}
+
+-(void)setMaxLength:(NSInteger)maxLength {
+    _maxLength = maxLength;
+    self.textView.maxLength = maxLength;
+}
+
+- (void)setText:(NSString *)text {
+    _text = [text copy];
+    self.textView.text = text;
+}
+
+- (NSString *)text {
+    return self.textView.text;
+}
+
+- (CXCustomTextView *)textView{
+    if (!_textView) {
+        _textView = [[CXCustomTextView alloc] initWithFrame:CGRectMake(self.h_margin, self.v_margin, self.frame.size.width - 2 *self.h_margin,  self.initiLine *self.font.lineHeight)];
+        _textView.textContainerInset = UIEdgeInsetsZero;
+        _textView.delegate = self;
+        _textView.backgroundColor = [UIColor whiteColor];
+        _textView.textColor = [UIColor blackColor];
+        _textView.placeholder = TFLocalizedString(@"请输入");
+        __weak __typeof(self)weakSelf = self;
+        _textView.textLengthDidMaxHandlerBlock = ^(CXCustomTextView *textView) {
+            __strong __typeof(weakSelf)sSelf = weakSelf;
+            !sSelf.textLengthDidMaxHandlerBlock?:sSelf.textLengthDidMaxHandlerBlock(textView);
+        };
+        _textView.textDidChangeHandlerBlock = ^(CXCustomTextView *textView) {
+            __strong __typeof(weakSelf)sSelf = weakSelf;
+            !sSelf.textDidChangeHandlerBlock?:sSelf.textDidChangeHandlerBlock(textView);
+            [sSelf updateTextViewHeight];
+            if (textView.text.length > 0) {
+                !sSelf.textHeightChangeBlock?:sSelf.textHeightChangeBlock(sSelf.height);                
+            } else {
+                !sSelf.textHeightChangeBlock?:sSelf.textHeightChangeBlock(self.v_margin *2 + ceilf(self.initiLine *self.font.lineHeight));
+            }
+        };
+    }
+    return _textView;
+}
+
+
+@end
@@ -0,0 +1,46 @@
+//
+//  CXTextViewHelper.h
+//  CXTextView
+//
+//  Created by caixiang on 2019/5/7.
+//  Copyright © 2019年 616704162@qq.com. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+#ifndef CXTextViewHelper_h
+#define CXTextViewHelper_h
+//#import "UIView+CXPostion.h"
+#import "CXTextView.h"
+#import "CXCustomTextView.h"
+
+UIKIT_STATIC_INLINE UIEdgeInsets cx_viewSafeArea(UIView *view) {
+    
+#ifdef __IPHONE_11_0
+    if (@available(iOS 11.0, *)) {
+        return view.safeAreaInsets;
+    }
+#endif
+    return UIEdgeInsetsZero;
+}
+
+UIKIT_STATIC_INLINE UIColor *CXRGBA(NSInteger r,NSInteger g,NSInteger b,CGFloat a) {
+    return [UIColor colorWithRed:(float)r/255.0f green:(float)g/255.0f blue:(float)b/255.0f alpha:a];
+}
+
+UIKIT_STATIC_INLINE UIColor *CXRGB(NSInteger r,NSInteger g,NSInteger b) {
+    return CXRGBA(r,g,b,1.0f);
+}
+
+UIKIT_STATIC_INLINE UIColor *CXUIColorFromRGBA(uint32_t rgbValue, CGFloat a) {
+    return [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0f
+                           green:((float)((rgbValue & 0xFF00) >> 8))/255.0f
+                            blue:((float)(rgbValue & 0xFF))/255.0f
+                           alpha:a];
+}
+
+UIKIT_STATIC_INLINE UIColor *CXUIColorFromRGB(uint32_t rgbValue) {
+    return CXUIColorFromRGBA(rgbValue,1.0f);
+}
+
+#endif /* CXTextViewHelper_h */