feat:add InputNode

Pod/Classes/DoricRegistry.m

@@ -43,6 +43,7 @@
 #import "DoricPopoverPlugin.h"
 #import "DoricAnimatePlugin.h"
 #import "DoricNestedSliderNode.h"
+#import "DoricInputNode.h"
 #import "DoricLibrary.h"
 
 
@@ -122,6 +123,7 @@ - (void)innerRegister {
     [self registerViewNode:DoricFlowLayoutItemNode.class withName:@"FlowLayoutItem"];
     [self registerViewNode:DoricFlowLayoutNode.class withName:@"FlowLayout"];
     [self registerViewNode:DoricNestedSliderNode.class withName:@"NestedSlider"];
+    [self registerViewNode:DoricInputNode.class withName:@"Input"];
 }
 
 - (void)registerJSBundle:(NSString *)bundle withName:(NSString *)name {

Pod/Classes/Shader/DoricInputNode.h

@@ -0,0 +1,31 @@
+/*
+* 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.h
+//  Doric
+//
+//  Created by 姜腾 on 2019/12/11.
+//
+
+#import "DoricViewNode.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface DoricInputNode : DoricViewNode<UITextView *>
+
+@end
+
+NS_ASSUME_NONNULL_END

Pod/Classes/Shader/DoricInputNode.m

@@ -0,0 +1,173 @@
+/*
+* 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 "DoricInputNode.h"
+#import "DoricUtil.h"
+#import "DoricPromise.h"
+
+typedef void (^onTextChangeBlock)(NSString *text,DoricInputNode *node);
+typedef void (^onFocusChangeBlock)(BOOL focused,DoricInputNode *node);
+
+@interface DoricInputNode()<UITextViewDelegate>
+@property(nonatomic, copy) onTextChangeBlock onTextChange;
+@property(nonatomic, copy) onFocusChangeBlock onFocusShange;
+@property(nonatomic, strong) UILabel *placeholderLabel;
+
+@end
+
+@implementation DoricInputNode
+- (UITextView *)build {
+    UITextView *v = [[UITextView alloc] init];
+    v.delegate = self;
+    return v;
+}
+
+- (void)blendView:(UITextView *)view forPropName:(NSString *)name propValue:(id)prop {
+    if ([name isEqualToString:@"text"]) {
+        view.text = prop;
+    } else if ([name isEqualToString:@"textSize"]) {
+        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 & LEFT) == LEFT) {
+            alignment = NSTextAlignmentLeft;
+        } else if ((gravity & RIGHT) == RIGHT) {
+            alignment = NSTextAlignmentRight;
+        }
+        view.textAlignment = alignment;
+    } else if ([name isEqualToString:@"multiline"]) {
+        BOOL mutilin = [(NSNumber *) prop boolValue];
+        if (!mutilin) {
+            view.textContainer.maximumNumberOfLines = 1;
+        }else {
+            view.textContainer.maximumNumberOfLines = 0;
+        }
+    } else if ([name isEqualToString:@"hintText"]) {
+        self.placeholderLabel.text = (NSString *)prop;
+    } else if ([name isEqualToString:@"hintTextColor"]) {
+        self.placeholderLabel.textColor = DoricColor(prop);
+    } 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.onFocusShange = ^(BOOL focused, DoricInputNode *node) {
+                [node callJSResponse:prop,@(focused),nil];
+            };
+        }else {
+            self.onFocusShange = nil;
+        }
+
+    } else{
+        [super blendView:view forPropName:name propValue:prop];
+    }
+}
+
+- (void)blend:(NSDictionary *)props {
+    [super blend:props];
+    [self updatePlaceholderLabel];
+    [self.view.superview setNeedsLayout];
+}
+
+#pragma mark - Doric-JS api
+- (NSString *)getText {
+    return self.view.text;
+}
+
+- (void)setSelection:(NSDictionary *)params withPromise:(DoricPromise *)promise {
+    NSString *start = [params objectForKey:@"start"];
+    NSString *end = [params objectForKey:@"end"];
+    
+    if (([start isKindOfClass:[NSString class]] || [start isKindOfClass:[NSNumber class]]) &&
+        ([start isKindOfClass:[NSString class]] || [start isKindOfClass:[NSNumber class]])) {
+        self.view.selectedRange = NSMakeRange(start.intValue, end.intValue - start.intValue);
+    }
+    
+    [promise resolve:nil];
+}
+
+- (void)requestFocus {
+    [self.view becomeFirstResponder];
+}
+
+- (void)releaseFocus {
+    [self.view resignFirstResponder];
+}
+
+#pragma mark - UITextViewDelegate
+- (BOOL)textViewShouldBeginEditing:(UITextView *)textView {
+    if (self.onFocusShange) {
+        self.onFocusShange(YES, self);
+    }
+    return YES;
+}
+- (BOOL)textViewShouldEndEditing:(UITextView *)textView {
+    if (self.onFocusShange) {
+        self.onFocusShange(NO, self);
+    }
+    return YES;
+}
+
+- (void)textViewDidChange:(UITextView *)textView {
+    if (self.onTextChange) {
+        self.onTextChange(textView.text, self);
+    }
+    [self updatePlaceholderLabel];
+}
+
+#pragma mark - placeholderLabel
+- (UILabel *)placeholderLabel {
+    if (!_placeholderLabel) {
+        _placeholderLabel = [[UILabel alloc] init];
+        _placeholderLabel.numberOfLines = 0;
+        _placeholderLabel.userInteractionEnabled = NO;
+    }
+    return _placeholderLabel;
+}
+
+- (void)updatePlaceholderLabel {
+    if (self.view.text.length) {
+        [self.placeholderLabel removeFromSuperview];
+        return;
+    } else {
+        [self.view insertSubview:self.placeholderLabel atIndex:0];
+    }
+  
+    self.placeholderLabel.textAlignment = self.view.textAlignment;
+    CGFloat lineFragmentPadding = self.view.textContainer.lineFragmentPadding;
+    UIEdgeInsets textContainerInset = self.view.textContainerInset;
+
+    CGFloat x = lineFragmentPadding + textContainerInset.left;
+    CGFloat y = textContainerInset.top;
+    CGFloat width = CGRectGetWidth(self.view.bounds) - x - lineFragmentPadding - textContainerInset.right;
+    CGFloat height = [self.placeholderLabel sizeThatFits:CGSizeMake(width, 0)].height;
+    self.placeholderLabel.frame = CGRectMake(x, y, width, height);
+}
+@end