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LICENSE
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Apache License
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Copyright 2020 Incentro Business Acceleration B.V.
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README.md
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# barcodescantorch
Mendix Native barcode scanner with torch functionality
## BarcodeScanTorch
[Barcode scanner with torch functionality]
## Features
[feature highlights]
## Usage
[step by step instructions]
## Demo project
[link to sandbox]
## Issues, suggestions and feature requests
[link to GitHub issues]
## Development and contribution
[specify contribute]

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<?xml version="1.0" encoding="utf-8"?>
<widget id="incentro.barcodescantorch.BarcodeScanTorch" supportedPlatform="Native" needsEntityContext="true" offlineCapable="true" pluginWidget="true" xmlns="http://www.mendix.com/widget/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.mendix.com/widget/1.0/ ../node_modules/mendix/custom_widget.xsd">
<name>Barcode scanner w/Torch</name>
<description>Scan barcode and QR code values with added torch functionality.</description>
<icon>iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAMAAACdt4HsAAAAElBMVEUAAABXV1dVVVVJsPhIsPdVVVWcEer3AAAABHRSTlMASeP9eof+WwAAAHJJREFUeAHtlzEKxTAMQ239r/tfuaHtFEpxIkog6C1e7AchixQXJsET5OQ2eIMo8LDNOQE7wegTOkEMspsAJGKE/iaBjDrlG7OAf6M89xdYYIEFBb4XtPF7n/sL1v2CWYoespSY56ysFw698uilS6995gADwwwpR7MpFwAAAABJRU5ErkJggg==</icon>
<properties>
<propertyGroup caption="General">
<propertyGroup caption="Data source">
<property key="barcode" type="attribute">
<caption>Barcode</caption>
<description>The attribute that will receive the scanned barcode value.</description>
<attributeTypes>
<attributeType name="String"/>
</attributeTypes>
</property>
</propertyGroup>
<propertyGroup caption="Events">
<property key="onDetect" type="action" required="false">
<caption>On detect</caption>
<description/>
</property>
</propertyGroup>
<propertyGroup caption="Common">
<systemProperty key="Name"/>
</propertyGroup>
</propertyGroup>
</properties>
</widget>

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module.exports =
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/******/ return ns;
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/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
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/******/ ({
/***/ "./src/BarcodeScanTorch.tsx":
/*!**********************************!*\
!*** ./src/BarcodeScanTorch.tsx ***!
\**********************************/
/*! exports provided: BarcodeScanTorch */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "BarcodeScanTorch", function() { return BarcodeScanTorch; });
/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! react */ "react");
/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(react__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var react_native__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! react-native */ "react-native");
/* harmony import */ var react_native__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(react_native__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var react_native_camera__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! react-native-camera */ "react-native-camera");
/* harmony import */ var react_native_camera__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(react_native_camera__WEBPACK_IMPORTED_MODULE_2__);
;
class BarcodeScanTorch extends react__WEBPACK_IMPORTED_MODULE_0__["Component"] {
constructor(props) {
super(props);
this.onBarCodeReadHandler = this.onBarCodeRead.bind(this);
this.manualBarcodeHandler = this.manualBarcode.bind(this);
this.toggleTorch = this.toggleTorch.bind(this);
this.toggleAutoDetect = this.toggleAutoDetect.bind(this);
this.state = {
torchON: false,
autoDetect: true,
textboxValue: '',
};
}
toggleTorch() {
this.setState({ torchON: !this.state.torchON });
}
toggleAutoDetect() {
this.setState({ autoDetect: !this.state.autoDetect });
}
render() {
return (Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["View"], { style: localStyle.container },
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native_camera__WEBPACK_IMPORTED_MODULE_2__["RNCamera"], { style: localStyle.preview, captureAudio: false, onBarCodeRead: this.onBarCodeReadHandler, flashMode: this.state.torchON ? react_native_camera__WEBPACK_IMPORTED_MODULE_2__["RNCamera"].Constants.FlashMode.torch : react_native_camera__WEBPACK_IMPORTED_MODULE_2__["RNCamera"].Constants.FlashMode.off }),
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["View"], { style: localStyle.bottom },
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["TouchableOpacity"], { onPress: this.toggleTorch, style: this.state.torchON ? localStyle.switchOn : localStyle.switchOff },
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["Text"], { style: this.state.torchON ? localStyle.textOn : localStyle.textOff },
"\u21AF Lamp ",
this.state.torchON ? "aan" : "uit")),
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["TouchableOpacity"], { onPress: this.toggleAutoDetect, style: this.state.autoDetect ? localStyle.switchOn : localStyle.switchOff },
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["Text"], { style: this.state.autoDetect ? localStyle.textOn : localStyle.textOff },
"\u2551\u2588\u2551 Detectie ",
this.state.autoDetect ? "aan" : "uit")),
this.state.autoDetect ? Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["View"], null) :
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["View"], { style: localStyle.textBox },
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["Text"], { style: localStyle.textBarcode }, "Barcode: "),
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["TextInput"], { style: localStyle.textInput, placeholder: "Scan of vul handmatig", value: this.state.textboxValue, onChangeText: (text) => this.setState({ textboxValue: text }) }),
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["TouchableOpacity"], { onPress: this.manualBarcodeHandler, style: localStyle.switchOn },
Object(react__WEBPACK_IMPORTED_MODULE_0__["createElement"])(react_native__WEBPACK_IMPORTED_MODULE_1__["Text"], { style: localStyle.textOn }, "Naar machine"))))));
}
onBarCodeRead(event) {
if (this.state.autoDetect) {
if (this.props.barcode.status !== "available" || event.data === this.props.barcode.value) {
return;
}
this.props.barcode.setValue(event.data);
if (this.props.onDetect && this.props.onDetect.canExecute) {
react_native__WEBPACK_IMPORTED_MODULE_1__["Vibration"].vibrate(400);
this.props.onDetect.execute();
}
}
else {
if (this.state.textboxValue !== event.data) {
react_native__WEBPACK_IMPORTED_MODULE_1__["Vibration"].vibrate(400);
this.setState({ textboxValue: event.data });
return;
}
}
}
manualBarcode() {
var _a;
this.props.barcode.setValue(this.state.textboxValue);
(_a = this.props.onDetect) === null || _a === void 0 ? void 0 : _a.execute();
}
}
const localStyle = react_native__WEBPACK_IMPORTED_MODULE_1__["StyleSheet"].create({
container: {
flex: 1,
backgroundColor: 'black'
},
preview: {
flex: 1,
alignItems: 'center',
},
bottom: {
justifyContent: 'flex-end',
backgroundColor: 'white',
alignItems: 'center',
},
textBox: {
backgroundColor: 'white',
alignItems: 'center',
},
textInput: {
height: 45,
margin: 5,
width: 300,
borderBottomWidth: 1,
borderBottomColor: '#ec7404',
},
switchOn: {
height: 45,
margin: 5,
borderRadius: 30,
backgroundColor: '#ec7404',
alignItems: 'center',
justifyContent: 'center',
width: '85%',
},
switchOff: {
height: 45,
margin: 5,
borderRadius: 30,
backgroundColor: 'white',
borderWidth: 1,
borderColor: '#ec7404',
alignItems: 'center',
justifyContent: 'center',
width: '85%',
},
textOn: {
color: 'white',
fontSize: 16,
margin: 50,
fontWeight: 'bold',
},
textOff: {
color: '#ec7404',
fontSize: 16,
margin: 50,
fontWeight: 'bold',
},
textBarcode: {
color: '#ec7404',
fontSize: 16,
fontWeight: 'bold',
}
});
/***/ }),
/***/ "react":
/*!************************!*\
!*** external "react" ***!
\************************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports = require("react");
/***/ }),
/***/ "react-native":
/*!*******************************!*\
!*** external "react-native" ***!
\*******************************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports = require("react-native");
/***/ }),
/***/ "react-native-camera":
/*!**************************************!*\
!*** external "react-native-camera" ***!
\**************************************/
/*! no static exports found */
/***/ (function(module, exports) {
module.exports = require("react-native-camera");
/***/ })
/******/ });
//# sourceMappingURL=BarcodeScanTorch.js.map

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<?xml version="1.0" encoding="utf-8" ?>
<package xmlns="http://www.mendix.com/package/1.0/">
<clientModule name="BarcodeScanTorch" version="1.0.0" xmlns="http://www.mendix.com/clientModule/1.0/">
<widgetFiles>
<widgetFile path="BarcodeScanTorch.xml"/>
</widgetFiles>
<files>
<file path="incentro/barcodescantorch"/>
</files>
</clientModule>
</package>

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{
"name": "barcodescantorch",
"widgetName": "BarcodeScanTorch",
"version": "1.0.0",
"description": "Barcode scanner with torch functionality",
"copyright": "2020 Incentro Business Acceleration B.V.",
"author": "Bart Onstee",
"config": {
"projectPath": "../..//"
},
"packagePath": "incentro",
"scripts": {
"start": "npm run dev",
"build": "pluggable-widgets-tools build:native",
"dev": "pluggable-widgets-tools start:native",
"lint": "pluggable-widgets-tools lint",
"lint:fix": "pluggable-widgets-tools lint:fix",
"prerelease": "npm run lint",
"release": "pluggable-widgets-tools release:native"
},
"license": "Apache-2.0",
"bugs": {
"url": "https://github.com/Bart Onstee/barcodescantorch/issues"
},
"devDependencies": {
"@mendix/pluggable-widgets-tools": "^8.12.0",
"@types/big.js": "^4.0.5",
"@types/react": "~16.9.0",
"@types/react-native": "~0.61.23",
"react-native-camera": "^3.40.0"
},
"dependencies": {
}
}

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const base = require("@mendix/pluggable-widgets-tools/configs/prettier.base.json");
module.exports = {
...base
};

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src/BarcodeScanTorch.tsx Normal file
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import { Component, createElement } from "react";
import { View, StyleSheet, TouchableOpacity, Text, TextInput, Vibration } from "react-native";
import { RNCamera } from "react-native-camera";
import { ValueStatus } from "mendix";
import { Style } from "./utils/common";
export interface BarcodeScanTorchStyle extends Style {
};
import { BarcodeScanTorchProps } from "../typings/BarcodeScanTorchProps";
export type Props = BarcodeScanTorchProps<BarcodeScanTorchStyle>;
interface State {
torchON?: boolean;
autoDetect?: boolean;
textboxValue?: string;
}
export class BarcodeScanTorch extends Component<Props, State> {
onBarCodeReadHandler = this.onBarCodeRead.bind(this);
manualBarcodeHandler = this.manualBarcode.bind(this);
constructor(props: Props){
super(props)
this.toggleTorch = this.toggleTorch.bind(this)
this.toggleAutoDetect = this.toggleAutoDetect.bind(this)
this.state = {
torchON: false,
autoDetect: true,
textboxValue: '',
}
}
toggleTorch(){
this.setState({torchON: !this.state.torchON})
}
toggleAutoDetect(){
this.setState({autoDetect: !this.state.autoDetect})
}
render(){
return (
<View style={localStyle.container}>
<RNCamera
style={localStyle.preview}
captureAudio={false}
onBarCodeRead={this.onBarCodeReadHandler}
flashMode={this.state.torchON ? RNCamera.Constants.FlashMode.torch: RNCamera.Constants.FlashMode.off}
/>
<View style={localStyle.bottom}>
<TouchableOpacity onPress={this.toggleTorch} style={this.state.torchON ? localStyle.switchOn : localStyle.switchOff}>
<Text style={this.state.torchON ? localStyle.textOn : localStyle.textOff}>↯ Lamp {this.state.torchON ? "aan" : "uit"}</Text>
</TouchableOpacity>
<TouchableOpacity onPress={this.toggleAutoDetect} style={this.state.autoDetect ? localStyle.switchOn : localStyle.switchOff}>
<Text style={this.state.autoDetect ? localStyle.textOn : localStyle.textOff}>║█║ Detectie {this.state.autoDetect ? "aan" : "uit"}</Text>
</TouchableOpacity>
{this.state.autoDetect ? <View></View> :
<View style={localStyle.textBox}>
<Text style={localStyle.textBarcode}>Barcode: </Text>
<TextInput style={localStyle.textInput} placeholder="Scan of vul handmatig" value={this.state.textboxValue} onChangeText={(text) => this.setState({textboxValue: text})}/>
<TouchableOpacity onPress={this.manualBarcodeHandler} style={localStyle.switchOn}>
<Text style={localStyle.textOn}>Naar machine</Text>
</TouchableOpacity>
</View>
}
</View>
</View>
);
}
// Internal button for testing
//<View style={localStyle.bottom}>
//<TouchableOpacity onPress={this.toggleTorch} style={localStyle.switch}>
//<Text style={{ color: 'white', fontSize: 16 }}>Zaklamp {this.state.torchON ? "uit" : "aan"}</Text>
//</TouchableOpacity>
//</View>
//<Image style={localStyle.Image} source={this.state.torchOn ? flashon : flashoff} />
private onBarCodeRead(event: { data: string }): void {
if (this.state.autoDetect) {
if (this.props.barcode.status !== ValueStatus.Available || event.data === this.props.barcode.value) {
return;
}
this.props.barcode.setValue(event.data);
if (this.props.onDetect && this.props.onDetect.canExecute) {
Vibration.vibrate(400);
this.props.onDetect.execute();
}
}
else {
if (this.state.textboxValue !== event.data) {
Vibration.vibrate(400);
this.setState({textboxValue: event.data})
return;
}
}
}
private manualBarcode() {
this.props.barcode.setValue(this.state.textboxValue);
this.props.onDetect?.execute();
}
}
const localStyle = StyleSheet.create({
container: {
flex: 1,
backgroundColor: 'black'
},
preview: {
flex: 1,
alignItems: 'center',
},
bottom:{
justifyContent: 'flex-end',
backgroundColor: 'white',
alignItems: 'center',
},
textBox:{
backgroundColor: 'white',
alignItems: 'center',
},
textInput:{
height: 45,
margin: 5,
width: 300,
borderBottomWidth: 1,
borderBottomColor: '#ec7404',
},
switchOn: {
height: 45,
margin: 5,
borderRadius: 30,
backgroundColor: '#ec7404',
alignItems: 'center',
justifyContent: 'center',
width: '85%',
},
switchOff: {
height: 45,
margin: 5,
borderRadius: 30,
backgroundColor: 'white',
borderWidth: 1,
borderColor: '#ec7404',
alignItems: 'center',
justifyContent: 'center',
width: '85%',
},
textOn: {
color: 'white',
fontSize: 16,
margin: 50,
fontWeight: 'bold',
},
textOff: {
color: '#ec7404',
fontSize: 16,
margin: 50,
fontWeight: 'bold',
},
textBarcode: {
color: '#ec7404',
fontSize: 16,
fontWeight: 'bold',
}
})

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src/BarcodeScanTorch.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<widget id="incentro.barcodescantorch.BarcodeScanTorch" supportedPlatform="Native" needsEntityContext="true" offlineCapable="true" pluginWidget="true" xmlns="http://www.mendix.com/widget/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.mendix.com/widget/1.0/ ../node_modules/mendix/custom_widget.xsd">
<name>Barcode scanner w/Torch</name>
<description>Scan barcode and QR code values with added torch functionality.</description>
<icon>iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAMAAACdt4HsAAAAElBMVEUAAABXV1dVVVVJsPhIsPdVVVWcEer3AAAABHRSTlMASeP9eof+WwAAAHJJREFUeAHtlzEKxTAMQ239r/tfuaHtFEpxIkog6C1e7AchixQXJsET5OQ2eIMo8LDNOQE7wegTOkEMspsAJGKE/iaBjDrlG7OAf6M89xdYYIEFBb4XtPF7n/sL1v2CWYoespSY56ysFw698uilS6995gADwwwpR7MpFwAAAABJRU5ErkJggg==</icon>
<properties>
<propertyGroup caption="General">
<propertyGroup caption="Data source">
<property key="barcode" type="attribute">
<caption>Barcode</caption>
<description>The attribute that will receive the scanned barcode value.</description>
<attributeTypes>
<attributeType name="String"/>
</attributeTypes>
</property>
</propertyGroup>
<propertyGroup caption="Events">
<property key="onDetect" type="action" required="false">
<caption>On detect</caption>
<description/>
</property>
</propertyGroup>
<propertyGroup caption="Common">
<systemProperty key="Name"/>
</propertyGroup>
</propertyGroup>
</properties>
</widget>

11
src/package.xml Normal file
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<?xml version="1.0" encoding="utf-8" ?>
<package xmlns="http://www.mendix.com/package/1.0/">
<clientModule name="BarcodeScanTorch" version="1.0.0" xmlns="http://www.mendix.com/clientModule/1.0/">
<widgetFiles>
<widgetFile path="BarcodeScanTorch.xml"/>
</widgetFiles>
<files>
<file path="incentro/barcodescantorch"/>
</files>
</clientModule>
</package>

28
src/utils/common.ts Normal file
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import { ImageStyle, TextStyle, ViewStyle } from "react-native";
interface CustomStyle {
[key: string]: string | number;
}
export interface Style {
[key: string]: CustomStyle | ViewStyle | TextStyle | ImageStyle;
}
export function flattenStyles<T extends Style>(defaultStyle: T, overrideStyles: Array<T | undefined>): T {
const styles = [defaultStyle, ...overrideStyles.filter((object): object is T => object !== undefined)];
return Object.keys(defaultStyle).reduce(
(flattened, currentKey) => {
const styleItems = styles.map(object => object[currentKey]);
return {
...flattened,
[currentKey]: flattenObjects(styleItems)
};
},
{} as T
);
}
function flattenObjects<T extends object>(objects: T[]): T {
return objects.reduce((merged, object) => ({ ...merged, ...object }), {} as T);
}

3
tsconfig.json Normal file
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{
"extends": "./node_modules/@mendix/pluggable-widgets-tools/configs/tsconfig.base.json"
}

20
typings/BarcodeScanTorchProps.d.ts vendored Normal file
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/**
* This file was generated from BarcodeScanTorch.xml
* WARNING: All changes made to this file will be overwritten
* @author Mendix UI Content Team
*/
import { ActionValue, EditableValue } from "mendix";
export interface BarcodeScanTorchProps<Style> {
name: string;
style: Style[];
barcode: EditableValue<string>;
onDetect?: ActionValue;
}
export interface BarcodeScanTorchPreviewProps {
class: string;
style: string;
barcode: string;
onDetect: {} | null;
}