|
1 | | -import React from 'react' |
2 | | -import PropTypes from 'prop-types' |
| 1 | +import React from "react" |
| 2 | +import PropTypes from "prop-types" |
3 | 3 | import { |
4 | | - View, |
5 | | - Image, |
6 | | - StyleSheet, |
7 | | - TouchableOpacity, |
8 | | - Platform |
9 | | -} from 'react-native' |
10 | | -import ImagePicker from 'react-native-image-picker' |
11 | | -import ImageResizer from 'react-native-image-resizer' |
12 | | -import RNFS from 'react-native-fs' |
| 4 | + View, |
| 5 | + Image, |
| 6 | + StyleSheet, |
| 7 | + TouchableOpacity, |
| 8 | + Platform |
| 9 | +} from "react-native" |
| 10 | +import ImagePicker from "react-native-image-picker" |
| 11 | +import ImageResizer from "react-native-image-resizer" |
| 12 | +import RNFS from "react-native-fs" |
13 | 13 |
|
14 | 14 | export default class PhotoUpload extends React.Component { |
15 | | - static propTypes = { |
16 | | - containerStyle: PropTypes.object, |
17 | | - photoPickerTitle: PropTypes.string, |
18 | | - maxHeight: PropTypes.number, |
19 | | - maxWidth: PropTypes.number, |
20 | | - format: PropTypes.string, |
21 | | - quality: PropTypes.number, |
22 | | - onPhotoSelect: PropTypes.func, // returns the base64 string of uploaded photo |
23 | | - onError: PropTypes.func, // if any error occur with response |
24 | | - onTapCustomButton: PropTypes.func, // on tap custom button |
25 | | - onStart: PropTypes.func, // when user starts (useful for loading, etc) |
26 | | - onCancel: PropTypes.func, // when user cancel |
27 | | - onResponse: PropTypes.func, // on response exists! |
28 | | - onRender: PropTypes.func, // after render |
29 | | - onResizedImageUri: PropTypes.func, // when image resized is ready |
30 | | - imagePickerProps: PropTypes.object // react-native-image-picker props |
31 | | - } |
32 | | - |
33 | | - state = { |
34 | | - maxHeight: this.props.height || 600, |
35 | | - maxWidth: this.props.width || 600, |
36 | | - format: this.props.format || 'JPEG', |
37 | | - quality: this.props.quality || 100, |
38 | | - buttonDisabled: false |
39 | | - } |
40 | | - |
41 | | - options = { |
42 | | - title: this.props.photoPickerTitle || 'Select Photo', |
43 | | - storageOptions: { |
44 | | - skipBackup: true, |
45 | | - path: 'images' |
46 | | - }, |
47 | | - ...this.props.imagePickerProps |
48 | | - } |
49 | | - |
50 | | - openImagePicker = () => { |
51 | | - this.setState({buttonDisabled: true}) |
52 | | - if (this.props.onStart) this.props.onStart() |
53 | | - |
54 | | - // get image from image picker |
55 | | - ImagePicker.showImagePicker(this.options, async response => { |
56 | | - this.setState({buttonDisabled: false}) |
57 | | - |
58 | | - let rotation = 0 |
59 | | - const {originalRotation} = response |
60 | | - |
61 | | - |
62 | | - if (this.props.onResponse) this.props.onResponse(response) |
63 | | - |
64 | | - if (response.didCancel) { |
65 | | - console.log('User cancelled image picker') |
66 | | - if (this.props.onCancel) this.props.onCancel('User cancelled image picker') |
67 | | - return |
68 | | - } else if (response.error) { |
69 | | - console.log('ImagePicker Error: ', response.error) |
70 | | - if (this.props.onError) this.props.onError(response.error) |
71 | | - return |
72 | | - } else if (response.customButton) { |
73 | | - console.log('User tapped custom button: ', response.customButton) |
74 | | - if (this.props.onTapCustomButton) this.props.onTapCustomButton(response.customButton) |
75 | | - return |
76 | | - } |
77 | | - |
78 | | - let { maxHeight, maxWidth, quality, format } = this.state |
79 | | - |
80 | | - //Determining rotation param |
81 | | - if ( originalRotation === 90) { |
82 | | - rotation = 90 |
83 | | - } else if (originalRotation === 180) { |
84 | | - //For a few images rotation is 180. |
85 | | - rotation = -180 |
86 | | - } else if ( originalRotation === 270 ) { |
87 | | - //When taking images with the front camera (selfie), the rotation is 270. |
88 | | - rotation = -90 |
89 | | - } |
90 | | - // resize image |
91 | | - const resizedImageUri = await ImageResizer.createResizedImage( |
92 | | - `data:image/jpeg;base64,${response.data}`, |
93 | | - maxHeight, |
94 | | - maxWidth, |
95 | | - format, |
96 | | - quality, |
97 | | - rotation |
98 | | - ) |
99 | | - |
100 | | - if (this.props.onResizedImageUri) this.props.onResizedImageUri(resizedImageUri) |
101 | | - |
102 | | - const filePath = Platform.OS === 'android' && resizedImageUri.uri.replace |
103 | | - ? resizedImageUri.uri.replace('file:/data', '/data') |
104 | | - : resizedImageUri.uri |
105 | | - |
106 | | - // convert image back to base64 string |
107 | | - const photoData = await RNFS.readFile(filePath, 'base64') |
108 | | - let source = { uri: resizedImageUri.uri } |
109 | | - this.setState({ |
110 | | - avatarSource: source |
111 | | - }) |
112 | | - |
113 | | - // handle photo in props functions as data string |
114 | | - if (this.props.onPhotoSelect) this.props.onPhotoSelect(photoData) |
115 | | - }) |
116 | | - } |
117 | | - |
118 | | - renderChildren = props => { |
119 | | - return React.Children.map(props.children, child => { |
120 | | - if (child && child.type === Image && this.state.avatarSource) { |
121 | | - return React.cloneElement(child, { |
122 | | - source: this.state.avatarSource |
123 | | - }) |
124 | | - } else return child |
125 | | - }) |
126 | | - } |
127 | | - |
128 | | - componentDidUpdate() { |
129 | | - if (this.props.onAfterRender) this.props.onAfterRender(this.state) |
130 | | - } |
131 | | - |
132 | | - render() { |
133 | | - return ( |
134 | | - <View style={[styles.container, this.props.containerStyle]}> |
135 | | - <TouchableOpacity |
136 | | - onPress={this.openImagePicker} |
137 | | - disabled={this.state.buttonDisabled} |
138 | | - > |
139 | | - {this.renderChildren(this.props)} |
140 | | - </TouchableOpacity> |
141 | | - </View> |
142 | | - ) |
143 | | - } |
| 15 | + static propTypes = { |
| 16 | + containerStyle: PropTypes.object, |
| 17 | + photoPickerTitle: PropTypes.string, |
| 18 | + maxHeight: PropTypes.number, |
| 19 | + maxWidth: PropTypes.number, |
| 20 | + format: PropTypes.string, |
| 21 | + quality: PropTypes.number, |
| 22 | + onPhotoSelect: PropTypes.func, // returns the base64 string of uploaded photo |
| 23 | + onError: PropTypes.func, // if any error occur with response |
| 24 | + onTapCustomButton: PropTypes.func, // on tap custom button |
| 25 | + onStart: PropTypes.func, // when user starts (useful for loading, etc) |
| 26 | + onCancel: PropTypes.func, // when user cancel |
| 27 | + onResponse: PropTypes.func, // on response exists! |
| 28 | + onRender: PropTypes.func, // after render |
| 29 | + onResizedImageUri: PropTypes.func, // when image resized is ready |
| 30 | + imagePickerProps: PropTypes.object // react-native-image-picker props |
| 31 | + } |
| 32 | + |
| 33 | + state = { |
| 34 | + maxHeight: this.props.height || 600, |
| 35 | + maxWidth: this.props.width || 600, |
| 36 | + format: this.props.format || "JPEG", |
| 37 | + quality: this.props.quality || 100, |
| 38 | + buttonDisabled: false |
| 39 | + } |
| 40 | + |
| 41 | + options = { |
| 42 | + title: this.props.photoPickerTitle || "Select Photo", |
| 43 | + storageOptions: { |
| 44 | + skipBackup: true, |
| 45 | + path: "images" |
| 46 | + }, |
| 47 | + ...this.props.imagePickerProps |
| 48 | + } |
| 49 | + |
| 50 | + openImagePicker = () => { |
| 51 | + this.setState({ buttonDisabled: true }) |
| 52 | + if (this.props.onStart) this.props.onStart() |
| 53 | + |
| 54 | + // get image from image picker |
| 55 | + ImagePicker.showImagePicker(this.options, async response => { |
| 56 | + this.setState({ buttonDisabled: false }) |
| 57 | + |
| 58 | + let rotation = 0 |
| 59 | + const { originalRotation } = response |
| 60 | + |
| 61 | + if (this.props.onResponse) this.props.onResponse(response) |
| 62 | + |
| 63 | + if (response.didCancel) { |
| 64 | + console.log("User cancelled image picker") |
| 65 | + if (this.props.onCancel) |
| 66 | + this.props.onCancel("User cancelled image picker") |
| 67 | + return |
| 68 | + } else if (response.error) { |
| 69 | + console.log("ImagePicker Error: ", response.error) |
| 70 | + if (this.props.onError) this.props.onError(response.error) |
| 71 | + return |
| 72 | + } else if (response.customButton) { |
| 73 | + console.log( |
| 74 | + "User tapped custom button: ", |
| 75 | + response.customButton |
| 76 | + ) |
| 77 | + if (this.props.onTapCustomButton) |
| 78 | + this.props.onTapCustomButton(response.customButton) |
| 79 | + return |
| 80 | + } |
| 81 | + |
| 82 | + let { maxHeight, maxWidth, quality, format } = this.state |
| 83 | + |
| 84 | + //Determining rotation param |
| 85 | + if (originalRotation === 90) { |
| 86 | + rotation = 90 |
| 87 | + } else if (originalRotation === 180) { |
| 88 | + //For a few images rotation is 180. |
| 89 | + rotation = -180 |
| 90 | + } else if (originalRotation === 270) { |
| 91 | + //When taking images with the front camera (selfie), the rotation is 270. |
| 92 | + rotation = -90 |
| 93 | + } |
| 94 | + // resize image |
| 95 | + const resizedImageUri = await ImageResizer.createResizedImage( |
| 96 | + `data:image/jpeg;base64,${response.data}`, |
| 97 | + maxHeight, |
| 98 | + maxWidth, |
| 99 | + format, |
| 100 | + quality, |
| 101 | + rotation |
| 102 | + ) |
| 103 | + |
| 104 | + if (this.props.onResizedImageUri) |
| 105 | + this.props.onResizedImageUri(resizedImageUri) |
| 106 | + |
| 107 | + const filePath = |
| 108 | + Platform.OS === "android" && resizedImageUri.uri.replace |
| 109 | + ? resizedImageUri.uri.replace("file:/data", "/data") |
| 110 | + : resizedImageUri.uri |
| 111 | + |
| 112 | + // convert image back to base64 string |
| 113 | + const photoData = await RNFS.readFile(filePath, "base64") |
| 114 | + let source = { uri: resizedImageUri.uri } |
| 115 | + this.setState({ |
| 116 | + avatarSource: source |
| 117 | + }) |
| 118 | + |
| 119 | + // handle photo in props functions as data string |
| 120 | + if (this.props.onPhotoSelect) this.props.onPhotoSelect(photoData) |
| 121 | + }) |
| 122 | + } |
| 123 | + |
| 124 | + renderChildren = props => { |
| 125 | + return React.Children.map(props.children, child => { |
| 126 | + if ( |
| 127 | + child && |
| 128 | + child.type.displayName.includes("Image") && |
| 129 | + this.state.avatarSource |
| 130 | + ) { |
| 131 | + return React.cloneElement(child, { |
| 132 | + source: this.state.avatarSource |
| 133 | + }) |
| 134 | + } else return child |
| 135 | + }) |
| 136 | + } |
| 137 | + |
| 138 | + componentDidUpdate() { |
| 139 | + if (this.props.onAfterRender) this.props.onAfterRender(this.state) |
| 140 | + } |
| 141 | + |
| 142 | + render() { |
| 143 | + return ( |
| 144 | + <View style={[styles.container, this.props.containerStyle]}> |
| 145 | + <TouchableOpacity |
| 146 | + onPress={this.openImagePicker} |
| 147 | + disabled={this.state.buttonDisabled} |
| 148 | + > |
| 149 | + {this.renderChildren(this.props)} |
| 150 | + </TouchableOpacity> |
| 151 | + </View> |
| 152 | + ) |
| 153 | + } |
144 | 154 | } |
145 | 155 |
|
146 | 156 | const styles = StyleSheet.create({ |
147 | | - container: { |
148 | | - flex: 1, |
149 | | - justifyContent: 'center', |
150 | | - alignItems: 'center' |
151 | | - } |
| 157 | + container: { |
| 158 | + flex: 1, |
| 159 | + justifyContent: "center", |
| 160 | + alignItems: "center" |
| 161 | + } |
152 | 162 | }) |
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