UITextView(FWKeyboard)

@interface UITextView (FWKeyboard)

多行输入框键盘管理分类

Keyboard

  • 是否启用键盘管理(自动滚动)，默认NO

    Declaration

    Objective-C

    @property (nonatomic) BOOL fw_keyboardManager;

  • 设置输入框和键盘的空白高度，默认10.0

    Declaration

    Objective-C

    @property (nonatomic) CGFloat fw_keyboardDistance;

  • 设置输入框和键盘的回弹触发最小距离，默认0始终回弹

    Declaration

    Objective-C

    @property (nonatomic) CGFloat fw_reboundDistance;

  • 是否启用键盘后台关闭处理，退后台时收起键盘，回到前台时恢复键盘，解决系统退后台输入框跳动问题，默认NO

    Declaration

    Objective-C

    @property (nonatomic) BOOL fw_keyboardResign;

  • 是否启用点击背景关闭键盘(会继续触发其它点击事件)，默认NO

    Declaration

    Objective-C

    @property (nonatomic) BOOL fw_touchResign;

  • 指定用于键盘管理滚动的scrollView，默认为nil，通过修改VC.view.frame实现

    Declaration

    Objective-C

    @property (nonatomic, weak, nullable) UIScrollView *fw_keyboardScrollView;

Return

  • 点击键盘完成按钮是否关闭键盘，默认NO，二选一。此方法会修改delegate，可使用fwDelegate访问原始delegate

    Declaration

    Objective-C

    @property (nonatomic) BOOL fw_returnResign;

  • 设置点击键盘完成按钮是否自动切换下一个输入框，二选一。此方法会修改delegate，可使用fwDelegate访问原始delegate

    Declaration

    Objective-C

    @property (nonatomic) BOOL fw_returnNext;

  • 设置点击键盘完成按钮的事件句柄。此方法会修改delegate，可使用fwDelegate访问原始delegate

    Declaration

    Objective-C

    @property (nonatomic, copy, nullable) void (^) (UITextView *_Nonnull __strong) fw_returnBlock;

  • 调用上面三个方法后会修改delegate，此方法始终访问外部delegate

    Declaration

    Objective-C

    @property (nonatomic, weak, nullable) id<UITextViewDelegate> fw_delegate;

Toolbar

  • 获取关联的键盘Toolbar对象，可自定义

    Declaration

    Objective-C

    @property (nonatomic, strong) NS_REFINED_FOR_SWIFT UIToolbar *fw_keyboardToolbar;

  • 自定义键盘Toolbar上一个按钮，支持图片|字符串等(详见FWBlock)，默认朝上的箭头

    Declaration

    Objective-C

    @property (nonatomic, strong, nullable) id fw_toolbarPreviousButton;

  • 自定义键盘Toolbar下一个按钮，支持图片|字符串等(详见FWBlock)，默认朝下的箭头

    Declaration

    Objective-C

    @property (nonatomic, strong, nullable) id fw_toolbarNextButton;

  • 自定义键盘Toolbar完成按钮，支持图片|字符串等(详见FWBlock)，默认Done

    Declaration

    Objective-C

    @property (nonatomic, strong, nullable) id fw_toolbarDoneButton;

  • 设置Toolbar点击前一个按钮时聚焦的输入框句柄，默认nil

    Declaration

    Objective-C

    @property (nonatomic, copy, nullable) UIResponder *_Nullable (^) (UITextView *_Nonnull __strong) fw_previousResponder;

  • 设置Toolbar点击下一个按钮时聚焦的输入框句柄，默认nil

    Declaration

    Objective-C

    @property (nonatomic, copy, nullable) UIResponder *_Nullable (^) (UITextView *_Nonnull __strong) fw_nextResponder;

  • 设置Toolbar点击前一个按钮时聚焦的输入框tag，默认0不生效

    Declaration

    Objective-C

    @property (nonatomic) NSInteger fw_previousResponderTag;

  • 设置Toolbar点击下一个按钮时聚焦的输入框tag，默认0不生效

    Declaration

    Objective-C

    @property (nonatomic) NSInteger fw_nextResponderTag;

  • 自动跳转前一个输入框，优先使用previousResponder，其次根据responderTag查找

    Declaration

    Objective-C

    - (void)fw_goPrevious;

  • 自动跳转后一个输入框，优先使用nextResponder，其次根据responderTag查找

    Declaration

    Objective-C

    - (void)fw_goNext;

  • 获取键盘弹出时的高度，对应Key为UIKeyboardFrameEndUserInfoKey

    Declaration

    Objective-C

    - (CGFloat)fw_keyboardHeight:(nonnull NSNotification *)notification;

  • 执行键盘跟随动画，支持AutoLayout，可通过keyboardHeight:获取键盘高度

    Declaration

    Objective-C

    - (void)fw_keyboardAnimate:(nonnull NSNotification *)notification
                animations:(nonnull void (^)(void))animations
                completion:(void (^_Nullable __strong)(BOOL))completion;

  • 添加Toolbar，指定标题和完成句柄，使用默认按钮

    Declaration

    Objective-C

    - (void)fw_addToolbarWithTitle:(nullable id)title
                     doneBlock:
                         (nullable void (^)(id _Nonnull __strong))doneBlock;

    Parameters

    title

    标题，不能点击
    doneBlock

    右侧完成按钮句柄，默认收起键盘

  • 添加Toolbar，指定居中标题、左侧上一个、下一个按钮和右边按钮

    Declaration

    Objective-C

    - (void)fw_addToolbarWithTitleItem:(nullable UIBarButtonItem *)titleItem
                      previousItem:(nullable UIBarButtonItem *)previousItem
                          nextItem:(nullable UIBarButtonItem *)nextItem
                          doneItem:(nullable UIBarButtonItem *)doneItem;

    Parameters

    titleItem

    居中标题按钮
    previousItem

    左侧前一个按钮
    nextItem

    左侧下一个按钮
    doneItem

    右侧完成按钮

UITextView+FWPlaceholder

  • 占位文本，默认nil

    Declaration

    Objective-C

    @property (nonatomic, strong, nullable) NSString *fw_placeholder;

  • 占位颜色，默认系统颜色

    Declaration

    Objective-C

    @property (nonatomic, strong, nullable) UIColor *fw_placeholderColor;

  • 带属性占位文本，默认nil

    Declaration

    Objective-C

    @property (nonatomic, strong, nullable) NSAttributedString *fw_attributedPlaceholder;

  • 自定义占位文本内间距，默认zero与内容一致

    Declaration

    Objective-C

    @property (nonatomic) UIEdgeInsets fw_placeholderInset;

  • 自定义垂直分布方式，会自动修改contentInset，默认Top与系统一致

    Declaration

    Objective-C

    @property (nonatomic) UIControlContentVerticalAlignment fw_verticalAlignment;

  • 是否启用自动高度功能，随文字改变高度

    Declaration

    Objective-C

    @property (nonatomic) BOOL fw_autoHeightEnabled;

  • 最大高度，默认CGFLOAT_MAX，启用自动高度后生效

    Declaration

    Objective-C

    @property (nonatomic) CGFloat fw_maxHeight;

  • 最小高度，默认0，启用自动高度后生效

    Declaration

    Objective-C

    @property (nonatomic) CGFloat fw_minHeight;

  • 高度改变回调句柄，默认nil，启用自动高度后生效

    Declaration

    Objective-C

    @property (nonatomic, copy, nullable) void (^)(CGFloat) fw_heightDidChange;

  • 快捷启用自动高度，并设置最大高度和回调句柄

    Declaration

    Objective-C

    - (void)fw_autoHeightWithMaxHeight:(CGFloat)maxHeight
                         didChange:(nullable void (^)(CGFloat))didChange;

UITextView+FWUIKit

  • 最大字数限制，0为无限制，二选一

    Declaration

    Objective-C

    @property (nonatomic) NSInteger fw_maxLength;

  • 最大Unicode字数限制(中文为1，英文为0.5)，0为无限制，二选一

    Declaration

    Objective-C

    @property (nonatomic) NSInteger fw_maxUnicodeLength;

  • 自定义文字改变处理句柄，自动trimString，默认nil

    Declaration

    Objective-C

    @property (nonatomic, copy, nullable) void (^) (NSString *_Nonnull __strong) fw_textChangedBlock;

  • 文本长度发生改变，自动检测字数限制，用于代码设置text等场景

    Declaration

    Objective-C

    - (void)fw_textLengthChanged;

  • 获取满足最大字数限制的过滤后的文本，无需再调用textLengthChanged

    Declaration

    Objective-C

    - (nonnull NSString *)fw_filterText:(nonnull NSString *)text;

  • 设置自动完成时间间隔，默认0.5秒，和autoCompleteBlock配套使用

    Declaration

    Objective-C

    @property (nonatomic) NSTimeInterval fw_autoCompleteInterval;

  • 设置自动完成处理句柄，自动trimString，默认nil，注意输入框内容为空时会立即触发

    Declaration

    Objective-C

    @property (nonatomic, copy, nullable) void (^) (NSString *_Nonnull __strong) fw_autoCompleteBlock;

  • 是否禁用长按菜单(拷贝、选择、粘贴等)，默认NO

    Declaration

    Objective-C

    @property (nonatomic) BOOL fw_menuDisabled;

  • 自定义光标大小，不为0才会生效，默认zero不生效

    Declaration

    Objective-C

    @property (nonatomic) CGRect fw_cursorRect;

  • 获取及设置当前选中文字范围

    Declaration

    Objective-C

    @property (nonatomic) NSRange fw_selectedRange;

  • 移动光标到最后

    Declaration

    Objective-C

    - (void)fw_selectAllRange;

  • 移动光标到指定位置，兼容动态text赋值

    Declaration

    Objective-C

    - (void)fw_moveCursor:(NSInteger)offset;

  • 计算当前文本所占尺寸，包含textContainerInset，需frame或者宽度布局完整

    Declaration

    Objective-C

    @property (nonatomic, readonly) CGSize fw_textSize;

  • 计算当前属性文本所占尺寸，包含textContainerInset，需frame或者宽度布局完整，attributedText需指定字体

    Declaration

    Objective-C

    @property (nonatomic, readonly) CGSize fw_attributedTextSize;