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Version: 9.6

ScanButton (Barcode/NFC)

This form control (button) starts a scan of barcodes and processes the decoded information inside the form. The control is based on the NPM cross-platform barcode scanner for cordova and ZXing barcode scanner for browser.

<div id="scanBtn" 
class="pdf-hide"
data-win-control="HFWinJSCtrl.ScanButton"
data-win-options="{
buttonType: 'large',
icon: 'fa-barcode-scan',
buttonHeading: 'QR-Code',
buttonLabel: 'Scan',
scan: {
fieldId: 'add_parts_item1',
scanType: 'BARCODE',
config: {
preferFrontCamera : false,
showFlipCameraButton : true,
showTorchButton : true,
saveHistory: false,
prompt : 'Please scan the appropriate barcode...',
resultDisplayDuration: 500,
formats : 'QR_CODE,AZTEC',
disableAnimations : true,
disableSuccessBeep: false
},
audioFeedback: true,
vibrationFeedback: true,
callbackFeedback: true,
callback: HFFormdefinition.BaseHelpers.customQRScanButton
}
}">
</div>
<div id="nfcScanBtn" class="hide-in-view" 
data-win-control="HFWinJSCtrl.ScanButton"
data-win-options="{
buttonType: 'large',
buttonHeading: 'NFC-Code',
buttonLabel: 'Scan',
buttonIcon: 'fa-times',
scan: {
mapping: {
'0': 'nfc-textfield-1',
'1': 'nfc-textfield-2',
'2': 'nfc-textfield-3'
},
scanType: 'NFC',
postProcess: HFFormdefinition.BaseHelpers.postProcessNFC
}
}">
</div>

FormControl Options

buttonType - required

Define the size of the button ('small', 'medium' or 'large').

How to use: buttonType: 'large'
Type: 'small' | 'medium' | 'large'

fieldId - required

Provide the ID of the form control receiving the scanned value.

How to use: fieldId: 'add_parts_item1'
Type: string

buttonHeading

Define a label for the control element.

How to use: buttonHeading: 'Navigation'
Type: string

buttonIcon

Sets the icon of the button

How to use: buttonIcon: 'fa-barcode-scan'
Type: string

buttonLabel

Sets the label of the button (displayed if buttonType is "medium" or "large")

How to use: buttonLabel: 'Scan'
Type: string

scan

An object with key-value pairs defining the form field and the scan type, a config part for the plugin and an optional custom postprocessing function

How to use: scan: { ... }
Type: ScanObject

Scan Object

scanType - required

Defines the used scanning type.

How to use: scanType: 'BARCODE'
Type: 'BARCODE' | 'NFC'

audioFeedback

Enables or disables an audible feedback on proccessing the scan.

How to use: audioFeedback: true
Type: boolean
Default: true

callback

Call a custom JS-method after the scan is completed

How to use: callback: HFFormdefinition.BaselHelpers.callback
Type: function
Signature: function(config: any, result: any, postfix: string) => void

callbackFeedback

Enables or disables a audible feedback on success.

How to use: callbackFeedback: true
Type: boolean
Default: true

config

Configuration object for scan type BARCODE. For more information check out the links below.

How to use: config: { ... }
Type: object

errorMessage

Customized error message in case the scan fails.

How to use: errorMessage: 'This is my custom error.'
Type: string

fieldId

FormControl in which the scan value is entered.

How to use: fieldId: 'scan_input_id'
Type: string

hidden

Hide FormControl in Form.

How to use: hidden: true
Type: boolean

mapping

An object with key-value pairs defining the scan record id and form field ID (especially for NFC Ndef Messages). Overwrites fieldId if both are set!

How to use: mapping: { '0': 'scan_input_id_1', '1': 'scan_input_id_1' }
Type: { [scanKey: string]: string }

multiple

Enables or disables multiple scanning. Scan starts again after successful scan. It is aborted after an error or by cancel scanning manually.

How to use: multiple: true
Type: boolean

multipleMessage

Displays confirm message after every scan to start or abort next scan.

How to use: multipleMessage: 'Another scan follows - abort with Cancel or Back'
Type: string

postProcess

Call a custom JS-method to postprocess the scanned values

How to use: postProcess: HFFormdefinition.BaselHelpers.postProcessMRZ
Type: function
Signature: function(config: any, result: any, postfix: string) => Promise<any>

vibrationFeedback

Enables or disables a haptic feedback on proccessing the scan.

How to use: vibrationFeedback: true
Type: boolean
Default: true
Note

For further information on the config values especially the formats for Barcode/QR-Code scanning (formats : 'QR_CODE,AZTEC'), please read the documentation at https://github.com/phonegap/phonegap-plugin-barcodescanner for mobile scanning and at https://www.npmjs.com/package/@zxing/library for browser scanning.