Support for Barcode reader (#650)
* Add Barcode Input Component and Integrate Quagga for Scanning - Introduced a new BarcodeInput component for scanning barcodes using the Quagga library. - Updated package.json and package-lock.json to include Quagga as a dependency. - Enhanced form themes to accommodate the new BarcodeInput component. - Added localization support for barcode scanning actions in English. - Updated blocks_types.json to register the new barcode input type. These changes improve the application's functionality by allowing users to scan barcodes directly within forms, enhancing user experience and data input efficiency. * Update Barcode scanner UI * Barcode decoder as user selection * improve barcode
This commit is contained in:
Chirag Chhatrala
GitHub
171
client/components/forms/BarcodeInput.vue
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171
client/components/forms/BarcodeInput.vue
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<template>
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<input-wrapper v-bind="inputWrapperProps">
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<template #label>
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<slot name="label" />
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</template>
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<div
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v-if="isScanning"
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class="relative w-full"
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>
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<CameraUpload
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:is-barcode-mode="true"
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:decoders="decoders"
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@stop-webcam="stopScanning"
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@barcode-detected="handleBarcodeDetected"
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/>
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</div>
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<div
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v-else-if="scannedValue"
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class="flex items-center justify-between border border-gray-300 dark:border-gray-600 w-full bg-white text-gray-700 dark:bg-notion-dark-light dark:text-gray-300 rounded-lg px-4 py-2"
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>
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<div class="flex-1 break-all">
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{{ scannedValue }}
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</div>
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<button
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v-if="!disabled"
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type="button"
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class="pt-1 text-gray-400 hover:text-gray-600"
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@click="clearValue"
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>
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<Icon
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name="i-heroicons-x-mark-20-solid"
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class="h-5 w-5"
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/>
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</button>
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</div>
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<div
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v-else
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:style="inputStyle"
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class="flex flex-col w-full items-center justify-center transition-colors duration-40"
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:class="[
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{'!cursor-not-allowed':disabled, 'cursor-pointer':!disabled},
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theme.fileInput.input,
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theme.fileInput.borderRadius,
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theme.fileInput.spacing.horizontal,
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theme.fileInput.spacing.vertical,
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theme.fileInput.fontSize,
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theme.fileInput.minHeight,
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{'border-red-500 border-2':hasError},
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'focus:outline-none focus:ring-2'
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]"
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tabindex="0"
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role="button"
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aria-label="Click to open a camera"
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@click="startScanning"
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@keydown.enter.prevent="startScanning"
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>
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<div class="flex w-full items-center justify-center">
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<div class="text-center">
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<template v-if="!scannedValue && !isScanning">
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<div class="text-gray-500 w-full flex justify-center">
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<svg
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xmlns="http://www.w3.org/2000/svg"
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fill="none"
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viewBox="0 0 24 24"
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stroke-width="1.5"
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stroke="currentColor"
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class="w-5 h-5"
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>
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<path
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stroke-linecap="round"
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stroke-linejoin="round"
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d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5m-13.5-9L12 3m0 0l4.5 4.5M12 3v13.5"
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/>
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</svg>
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</div>
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<p class="mt-2 text-sm text-gray-500 font-medium select-none">
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{{ $t('forms.barcodeInput.clickToOpenCamera') }}
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</p>
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<div class="w-full items-center justify-center mt-2 hidden sm:flex">
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<UButton
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icon="i-heroicons-camera"
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color="white"
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class="px-2"
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@click.stop="startScanning"
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/>
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</div>
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</template>
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</div>
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</div>
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</div>
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<template #error>
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<slot name="error" />
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</template>
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</input-wrapper>
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</template>
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<script>
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import { inputProps, useFormInput } from './useFormInput.js'
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import InputWrapper from './components/InputWrapper.vue'
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import CameraUpload from './components/CameraUpload.vue'
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export default {
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name: 'BarcodeInput',
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components: { InputWrapper, CameraUpload },
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props: {
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...inputProps,
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decoders: {
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type: Array,
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default: () => []
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}
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},
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setup(props, context) {
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return {
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...useFormInput(props, context),
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}
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},
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data: () => ({
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isScanning: false,
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scannedValue: null
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}),
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watch: {
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scannedValue: {
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handler(value) {
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this.compVal = value
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},
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immediate: true
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}
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},
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beforeUnmount() {
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this.stopScanning()
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},
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methods: {
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startScanning() {
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if (this.disabled) return
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this.isScanning = true
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},
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stopScanning() {
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this.isScanning = false
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},
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handleBarcodeDetected(code) {
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this.scannedValue = code
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this.stopScanning()
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},
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clearValue() {
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this.scannedValue = null
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}
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}
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}
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</script>
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<style scoped>
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video {
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/* Ensure the video displays properly */
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max-width: 100%;
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height: auto;
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}
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</style>
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@@ -21,6 +21,7 @@
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class="p-2 px-4 flex items-center justify-center text-xs space-x-2"
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>
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<span
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v-if="!isBarcodeMode"
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class="cursor-pointer rounded-full w-14 h-14 border-2 grid place-content-center"
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@click="processCapturedImage"
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>
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@@ -98,9 +99,10 @@
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<script>
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import Webcam from "webcam-easy"
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import CachedDefaultTheme from "~/lib/forms/themes/CachedDefaultTheme.js"
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import Quagga from 'quagga'
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export default {
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name: "FileInput",
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name: "CameraUpload",
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props: {
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theme: {
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type: Object, default: () => {
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@@ -111,13 +113,22 @@ export default {
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return CachedDefaultTheme.getInstance()
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}
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},
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isBarcodeMode: {
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type: Boolean,
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default: false
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},
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decoders: {
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type: Array,
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default: () => []
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}
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},
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emits: ['stopWebcam', 'uploadImage'],
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emits: ['stopWebcam', 'uploadImage', 'barcodeDetected'],
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data: () => ({
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webcam: null,
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isCapturing: false,
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capturedImage: null,
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cameraPermissionStatus: "loading",
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quaggaInitialized: false
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}),
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computed: {
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videoDisplay() {
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@@ -142,6 +153,9 @@ export default {
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.start()
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.then(() => {
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this.cameraPermissionStatus = "allowed"
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if (this.isBarcodeMode) {
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this.initQuagga()
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}
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})
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.catch((err) => {
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console.error(err)
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@@ -152,9 +166,46 @@ export default {
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this.cameraPermissionStatus = "unknown"
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})
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},
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initQuagga() {
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if (!this.quaggaInitialized) {
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Quagga.init({
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inputStream: {
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name: "Live",
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type: "LiveStream",
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target: document.getElementById("webcam"),
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constraints: {
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facingMode: "environment"
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},
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},
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decoder: {
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readers: this.decoders || []
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},
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locate: true
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}, (err) => {
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if (err) {
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console.error('Quagga initialization failed:', err)
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return
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}
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this.quaggaInitialized = true
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Quagga.start()
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Quagga.onDetected((result) => {
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if (result.codeResult) {
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this.$emit('barcodeDetected', result.codeResult.code)
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this.cancelCamera()
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}
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})
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})
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}
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},
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cancelCamera() {
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this.isCapturing = false
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this.capturedImage = null
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if (this.quaggaInitialized) {
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Quagga.stop()
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this.quaggaInitialized = false
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}
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this.webcam.stop()
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this.$emit("stopWebcam")
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},
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@@ -35,7 +35,8 @@
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<div
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class="flex items-center"
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:class="[
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theme.SelectInput.minHeight
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theme.SelectInput.minHeight,
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'ltr:pr-8 rtl:pl-8'
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]"
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>
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<transition
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@@ -76,9 +77,12 @@
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</div>
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</transition>
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</div>
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<span class="absolute inset-y-0 ltr:right-0 rtl:left-0 rtl:!right-auto flex items-center ltr:pr-2 rtl:pl-2 rtl:!pr-0 pointer-events-none">
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<div
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class="absolute inset-y-0 ltr:right-6 rtl:left-6 w-10 pointer-events-none bg-gradient-to-r from-transparent to-white dark:to-notion-dark-light"
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/>
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<span class="absolute inset-y-0 ltr:right-0 rtl:left-0 rtl:!right-auto flex items-center ltr:pr-2 rtl:pl-2 rtl:!pr-0 pointer-events-none bg-white">
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<Icon
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name="heroicons:chevron-up-down-16-solid"
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name="heroicons:chevron-up-down-16-solid"
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class="h-5 w-5 text-gray-500"
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/>
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</span>
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