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Doric/doric-iOS/Pod/Classes/Shader/DoricInputNode.m
2021-09-09 18:24:22 +08:00

578 lines
21 KiB
Objective-C

/*
* Copyright [2019] [Doric.Pub]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//
// DoricInputNode.m
// Doric
//
// Created by 姜腾 on 2019/12/11.
//
#import <JavaScriptCore/JavaScriptCore.h>
#import "DoricInputNode.h"
#import "DoricUtil.h"
#import "DoricPromise.h"
typedef void (^onTextChangeBlock)(NSString *text, DoricInputNode *node);
typedef void (^onFocusChangeBlock)(BOOL focused, DoricInputNode *node);
typedef void (^onSubmitEditingBlock)(NSString *text, DoricInputNode *node);
@interface DoricMultilineInput : UITextView
@property(nonatomic, strong) UILabel *placeholderLabel;
@end
@implementation DoricMultilineInput
- (instancetype)init {
if (self = [super init]) {
self.font = [UIFont systemFontOfSize:12];
_placeholderLabel = [UILabel new];
_placeholderLabel.numberOfLines = 0;
_placeholderLabel.textColor = [UIColor grayColor];
_placeholderLabel.userInteractionEnabled = NO;
_placeholderLabel.font = self.font;
[self insertSubview:_placeholderLabel atIndex:0];
}
return self;
}
- (void)layoutSubviews {
[super layoutSubviews];
self.placeholderLabel.hidden = self.text.length > 0;
if (self.placeholderLabel.hidden) {
return;
}
CGFloat lineFragmentPadding = self.textContainer.lineFragmentPadding;
UIEdgeInsets textContainerInset = self.textContainerInset;
self.placeholderLabel.x = lineFragmentPadding + textContainerInset.left;
self.placeholderLabel.y = textContainerInset.top;
CGFloat desiredWidth = self.width - lineFragmentPadding * 2 - textContainerInset.left - textContainerInset.right;
CGSize fitSize = [self.placeholderLabel sizeThatFits:CGSizeMake(desiredWidth, 0)];
if (fitSize.width < desiredWidth) {
self.placeholderLabel.width = desiredWidth;
}
self.placeholderLabel.height = fitSize.height;
}
- (CGSize)sizeThatFits:(CGSize)size {
if (self.text.length > 0) {
CGSize ret = [super sizeThatFits:size];
return CGSizeMake(ret.width - self.doricLayout.paddingLeft - self.doricLayout.paddingRight, ret.height - self.doricLayout.paddingTop - self.doricLayout.paddingBottom);
} else {
CGSize ret = [self.placeholderLabel sizeThatFits:size];
return CGSizeMake(ret.width, ret.height);
}
}
- (void)setTextAlignment:(NSTextAlignment)textAlignment {
[super setTextAlignment:textAlignment];
self.placeholderLabel.textAlignment = textAlignment;
}
@end
@interface DoricInputView ()
@property(nonatomic, strong) DoricMultilineInput *multiLineInput;
@property(nonatomic, strong) UITextField *singleLineInput;
@end
@implementation DoricInputView
- (instancetype)init {
if (self = [super init]) {
_multiLineInput = [DoricMultilineInput new];
_multiLineInput.backgroundColor = UIColor.clearColor;
[self addSubview:_multiLineInput];
_singleLineInput = [UITextField new];
_singleLineInput.backgroundColor = UIColor.clearColor;
[self addSubview:_singleLineInput];
self.multiline = YES;
}
return self;
}
- (void)setMultiline:(BOOL)multiline {
if (multiline == self.multiline) {
return;
}
self.singleLineInput.hidden = multiline;
self.multiLineInput.hidden = !multiline;
}
- (BOOL)multiline {
return self.singleLineInput.hidden;
}
- (void)layoutSubviews {
[super layoutSubviews];
if (self.multiline) {
self.multiLineInput.width = self.width;
self.multiLineInput.height = self.height;
} else {
self.singleLineInput.width = self.width;
self.singleLineInput.height = self.height;
}
}
- (CGSize)sizeThatFits:(CGSize)size {
if (self.multiline) {
return [self.multiLineInput sizeThatFits:size];
} else {
return [self.singleLineInput sizeThatFits:size];
}
}
- (void)setText:(NSString *)text {
self.multiLineInput.text = text;
self.singleLineInput.text = text;
}
- (NSString *)text {
if (self.multiline) {
return self.multiLineInput.text;
} else {
return self.singleLineInput.text;
}
}
- (void)setFont:(UIFont *)font {
self.multiLineInput.font = font;
self.singleLineInput.font = font;
}
- (UIFont *)font {
if (self.multiline) {
return self.multiLineInput.font;
} else {
return self.singleLineInput.font;
}
}
- (void)setTextColor:(UIColor *)color {
self.multiLineInput.textColor = color;
self.singleLineInput.textColor = color;
}
- (UIColor *)textColor {
if (self.multiline) {
return self.multiLineInput.textColor;
} else {
return self.singleLineInput.textColor;
}
}
- (void)setTextAlignment:(NSTextAlignment)textAlignment {
self.multiLineInput.textAlignment = textAlignment;
self.singleLineInput.textAlignment = textAlignment;
}
- (NSTextAlignment)textAlignment {
if (self.multiline) {
return self.multiLineInput.textAlignment;
} else {
return self.singleLineInput.textAlignment;
}
}
- (void)setHintText:(NSString *)text {
self.multiLineInput.placeholderLabel.text = text;
self.singleLineInput.placeholder = text;
}
- (NSString *)hintText {
if (self.multiline) {
return self.multiLineInput.placeholderLabel.text;
} else {
return self.singleLineInput.placeholder;
}
}
- (void)setHintTextColor:(UIColor *)color {
self.multiLineInput.placeholderLabel.textColor = color;
[self.singleLineInput setValue:color forKeyPath:@"_placeholderLabel.textColor"];
}
- (void)setHintFont:(UIFont *)font {
self.multiLineInput.placeholderLabel.font = font;
[self.singleLineInput setValue:font forKeyPath:@"_placeholderLabel.font"];
}
- (void)setKeyboardType:(UIKeyboardType)keyboardType {
self.multiLineInput.keyboardType = keyboardType;
self.singleLineInput.keyboardType = keyboardType;
}
- (void)setReturnKeyType:(UIReturnKeyType)returnKeyType {
self.multiLineInput.returnKeyType = returnKeyType;
self.singleLineInput.returnKeyType = returnKeyType;
}
- (void)setSecureTextEntry:(BOOL)secureTextEntry {
self.multiLineInput.secureTextEntry = secureTextEntry;
self.singleLineInput.secureTextEntry = secureTextEntry;
}
- (void)setEditable:(BOOL)editable {
self.multiLineInput.editable = editable;
self.singleLineInput.enabled = editable;
}
@end
@interface DoricInputNode () <UITextViewDelegate, UITextFieldDelegate>
@property(nonatomic, copy) onTextChangeBlock onTextChange;
@property(nonatomic, copy) onFocusChangeBlock onFocusChange;
@property(nonatomic, copy) onSubmitEditingBlock onSubmitEditing;
@property(nonatomic, strong) NSNumber *maxLength;
@property(nonatomic, copy) NSString *beforeTextChangeFuncId;
@end
@implementation DoricInputNode
- (DoricInputView *)build {
DoricInputView *v = [DoricInputView new];
v.singleLineInput.delegate = self;
v.multiLineInput.delegate = self;
v.multiLineInput.textContainer.lineFragmentPadding = 0;
v.doricLayout.paddingTop = v.multiLineInput.textContainerInset.top;
v.doricLayout.paddingBottom = v.multiLineInput.textContainerInset.bottom;
v.doricLayout.paddingLeft = v.multiLineInput.textContainerInset.left;
v.doricLayout.paddingRight = v.multiLineInput.textContainerInset.right;
return v;
}
- (void)blendView:(DoricInputView *)view forPropName:(NSString *)name propValue:(id)prop {
if ([name isEqualToString:@"text"]) {
view.text = prop;
} else if ([name isEqualToString:@"textSize"]) {
UIFont *font = view.font;
if (font) {
view.font = [view.font fontWithSize:[(NSNumber *) prop floatValue]];
} else {
view.font = [UIFont systemFontOfSize:[(NSNumber *) prop floatValue]];
}
} else if ([name isEqualToString:@"textColor"]) {
view.textColor = DoricColor(prop);
} else if ([name isEqualToString:@"textAlignment"]) {
DoricGravity gravity = (DoricGravity) [(NSNumber *) prop integerValue];
NSTextAlignment alignment = NSTextAlignmentCenter;
if ((gravity & DoricGravityLeft) == DoricGravityLeft) {
alignment = NSTextAlignmentLeft;
} else if ((gravity & DoricGravityRight) == DoricGravityRight) {
alignment = NSTextAlignmentRight;
}
view.textAlignment = alignment;
} else if ([name isEqualToString:@"font"]) {
NSString *iconfont = prop;
UIFont *font = [UIFont fontWithName:[iconfont stringByReplacingOccurrencesOfString:@".ttf" withString:@""]
size:view.font.pointSize];
view.font = font;
} else if ([name isEqualToString:@"multiline"]) {
BOOL value = [(NSNumber *) prop boolValue];
view.multiline = value;
} else if ([name isEqualToString:@"beforeTextChange"]) {
self.beforeTextChangeFuncId = prop;
} else if ([name isEqualToString:@"hintText"]) {
view.hintText = (NSString *) prop;
} else if ([name isEqualToString:@"hintTextColor"]) {
view.hintTextColor = DoricColor(prop);
} else if ([name isEqualToString:@"hintFont"]) {
NSString *iconfont = prop;
UIFont *font = [UIFont fontWithName:[iconfont stringByReplacingOccurrencesOfString:@".ttf" withString:@""]
size:view.font.pointSize];
view.hintFont = font;
} else if ([name isEqualToString:@"onTextChange"]) {
if ([prop isKindOfClass:[NSString class]]) {
self.onTextChange = ^(NSString *text, DoricInputNode *node) {
[node callJSResponse:prop, text, nil];
};
} else {
self.onTextChange = nil;
}
} else if ([name isEqualToString:@"onFocusChange"]) {
if ([prop isKindOfClass:[NSString class]]) {
self.onFocusChange = ^(BOOL focused, DoricInputNode *node) {
[node callJSResponse:prop, @(focused), nil];
};
} else {
self.onFocusChange = nil;
}
} else if ([name isEqualToString:@"maxLength"]) {
self.maxLength = prop;
} else if ([name isEqualToString:@"inputType"]) {
switch ([prop integerValue]) {
case 1: {
[self.view setKeyboardType:UIKeyboardTypeNumberPad];
break;
}
case 2: {
[self.view setKeyboardType:UIKeyboardTypeDecimalPad];
break;
}
case 3: {
[self.view setKeyboardType:UIKeyboardTypeAlphabet];
break;
}
case 4: {
[self.view setKeyboardType:UIKeyboardTypePhonePad];
break;
}
default: {
[self.view setKeyboardType:UIKeyboardTypeDefault];
break;
}
}
} else if ([name isEqualToString:@"password"]) {
view.secureTextEntry = [(NSNumber *) prop boolValue];
} else if ([name isEqualToString:@"editable"]) {
view.editable = [(NSNumber *) prop boolValue];
} else if ([name isEqualToString:@"returnKeyType"]) {
switch ([(NSNumber *) prop integerValue]) {
case 1:
view.returnKeyType = UIReturnKeyDone;
break;
case 2:
view.returnKeyType = UIReturnKeySearch;
break;
case 3:
view.returnKeyType = UIReturnKeyNext;
break;
case 4:
view.returnKeyType = UIReturnKeyGo;
break;
case 5:
view.returnKeyType = UIReturnKeySend;
break;
case 0:
default:
view.returnKeyType = UIReturnKeyDefault;
break;
}
} else if ([name isEqualToString:@"onSubmitEditing"]) {
if ([prop isKindOfClass:[NSString class]]) {
self.onSubmitEditing = ^(NSString *text, DoricInputNode *node) {
[node callJSResponse:prop, text, nil];
};
} else {
self.onSubmitEditing = nil;
}
} else if ([name isEqualToString:@"enableHorizontalScrollBar"]) {
view.multiLineInput.showsHorizontalScrollIndicator = [prop boolValue];;
} else if ([name isEqualToString:@"enableVerticalScrollBar"]) {
view.multiLineInput.showsVerticalScrollIndicator = [prop boolValue];;
} else {
[super blendView:view forPropName:name propValue:prop];
}
}
- (void)blend:(NSDictionary *)props {
[super blend:props];
}
- (void)afterBlended:(NSDictionary *)props {
[super afterBlended:props];
if (self.view.multiline) {
if (self.view.doricLayout.paddingTop != self.view.multiLineInput.textContainerInset.top
|| self.view.doricLayout.paddingLeft != self.view.multiLineInput.textContainerInset.left
|| self.view.doricLayout.paddingBottom != self.view.multiLineInput.textContainerInset.bottom
|| self.view.doricLayout.paddingRight != self.view.multiLineInput.textContainerInset.right) {
self.view.multiLineInput.textContainerInset = UIEdgeInsetsMake(self.view.doricLayout.paddingTop, self.view.doricLayout.paddingLeft, self.view.doricLayout.paddingBottom, self.view.doricLayout.paddingRight);
}
UIFont *font = self.view.multiLineInput.placeholderLabel.font;
if (font) {
self.view.multiLineInput.placeholderLabel.font = [self.view.multiLineInput.placeholderLabel.font fontWithSize:self.view.font.pointSize];
} else {
self.view.multiLineInput.placeholderLabel.font = self.view.multiLineInput.font;
}
self.view.multiLineInput.placeholderLabel.numberOfLines = self.view.multiLineInput.textContainer.maximumNumberOfLines;
}
}
- (void)requestLayout {
[super requestLayout];
[self.view setNeedsLayout];
}
#pragma mark - Doric-JS api
- (NSString *)getText {
return self.view.text;
}
- (void)setSelection:(NSDictionary *)params withPromise:(DoricPromise *)promise {
NSNumber *start = params[@"start"];
NSNumber *end = params[@"end"];
if (self.view.multiline) {
self.view.multiLineInput.selectedRange = NSMakeRange(start.unsignedIntegerValue, end.unsignedIntegerValue - start.unsignedIntegerValue);
} else {
UITextPosition *startPos = [self.view.singleLineInput positionFromPosition:self.view.singleLineInput.beginningOfDocument
offset:start.unsignedIntegerValue];
UITextPosition *endPos = [self.view.singleLineInput positionFromPosition:self.view.singleLineInput.beginningOfDocument
offset:end.unsignedIntegerValue];
self.view.singleLineInput.selectedTextRange = [self.view.singleLineInput textRangeFromPosition:startPos
toPosition:endPos];
}
[promise resolve:nil];
}
- (NSDictionary *)getSelection {
if (self.view.multiline) {
return @{
@"start": @([self.view.multiLineInput offsetFromPosition:self.view.multiLineInput.beginningOfDocument
toPosition:self.view.multiLineInput.selectedTextRange.start]),
@"end": @([self.view.multiLineInput offsetFromPosition:self.view.multiLineInput.beginningOfDocument
toPosition:self.view.multiLineInput.selectedTextRange.end]),
};
} else {
UITextRange *range = self.view.singleLineInput.selectedTextRange;
return @{
@"start": @( [self.view.singleLineInput offsetFromPosition:self.view.singleLineInput.beginningOfDocument
toPosition:range.start]),
@"end": @( [self.view.singleLineInput offsetFromPosition:self.view.singleLineInput.beginningOfDocument
toPosition:range.end]),
};
}
}
- (void)requestFocus {
[self.view becomeFirstResponder];
}
- (void)releaseFocus {
[self.view resignFirstResponder];
}
#pragma mark - UITextViewDelegate
- (BOOL)textViewShouldBeginEditing:(UITextView *)textView {
if (self.onFocusChange) {
self.onFocusChange(YES, self);
}
return YES;
}
- (BOOL)textViewShouldEndEditing:(UITextView *)textView {
if (self.onFocusChange) {
self.onFocusChange(NO, self);
}
return YES;
}
- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
if (self.beforeTextChangeFuncId) {
DoricAsyncResult *asyncResult = [self
pureCallJSResponse:self.beforeTextChangeFuncId,
@{
@"editing": textView.text,
@"start": @(range.location),
@"length": @(range.length),
@"replacement": text,
},
nil];
NSNumber *ret = [asyncResult waitUntilResult:^(JSValue *model) {
return [model toNumber];
}];
return [ret boolValue];
}
return YES;
}
- (void)textViewDidChange:(UITextView *)textView {
if (textView.markedTextRange || textView.text.length > 0) {
self.view.multiLineInput.placeholderLabel.hidden = YES;
} else {
self.view.multiLineInput.placeholderLabel.hidden = NO;
}
if (textView.markedTextRange) return;
if (self.maxLength) {
textView.text = [self limitToHansMaxLength:self.maxLength.unsignedIntValue text:textView.text];
}
if (self.onTextChange) {
self.onTextChange(textView.text, self);
}
[textView setNeedsLayout];
}
- (NSString *)limitToHansMaxLength:(NSUInteger)maxLen text:(NSString *)text {
NSUInteger asciiMaxLen = 2 * maxLen;
__block NSUInteger asciiLen = 0;
__block NSUInteger subStringRangeLen = 0;
[text enumerateSubstringsInRange:NSMakeRange(0, text.length)
options:NSStringEnumerationByComposedCharacterSequences
usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
if ([substring canBeConvertedToEncoding:NSASCIIStringEncoding]) {
asciiLen += 2;
} else {
asciiLen += [substring lengthOfBytesUsingEncoding:NSUTF16StringEncoding];
}
if (asciiLen <= asciiMaxLen) {
subStringRangeLen = substringRange.location + substringRange.length;
} else {
*stop = YES;
}
}];
return [text substringWithRange:NSMakeRange(0, subStringRangeLen)];
}
- (void)textFieldDidEndEditing:(UITextField *)textField {
if (self.maxLength) {
textField.text = [self limitToHansMaxLength:self.maxLength.unsignedIntValue text:textField.text];
}
if (self.onTextChange) {
self.onTextChange(textField.text, self);
}
[textField setNeedsLayout];
}
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
if (self.beforeTextChangeFuncId) {
DoricAsyncResult *asyncResult = [self
pureCallJSResponse:self.beforeTextChangeFuncId,
@{
@"editing": textField.text,
@"start": @(range.location),
@"length": @(range.length),
@"replacement": string,
},
nil];
NSNumber *ret = [asyncResult waitUntilResult:^(JSValue *model) {
return [model toNumber];
}];
return [ret boolValue];
}
return YES;
}
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
if (self.onSubmitEditing) {
self.onSubmitEditing(textField.text, self);
return YES;
} else {
return NO;
}
}
@end