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.
Barcode Example
<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>
NFC Example
<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>
Property | Type | How to use | Description |
---|---|---|---|
fieldId * | String | fieldId: 'add_parts_item1' | Provide the ID of the form control receiving the scanned value. |
buttonLabel ** | String | buttonLabel: 'Scan' | Sets the label of the button (displayed if buttonType is "medium" or "large") |
buttonType ** | String | buttonType: 'large' | Define the size of the button ('small', 'medium' or 'large'). |
buttonIcon | String | buttonIcon: 'fa-barcode-scan' | Sets the icon of the button |
buttonHeading | String | buttonHeading: 'Navigation' | Define a label for the control element. |
scan | Object | 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 |
* These options are required.
** Please provide at least one of these options.
Scan Object
Property | Type | How to use | Description |
---|---|---|---|
scanType * | String | scanType: 'BARCODE' | Defines the used scanning type. Possible options are: BARCODE or NFC. |
fieldId ** | String | fieldId: 'scan_input_id' | FormControl in which the scan value is entered. |
mapping ** | Object | mapping: { '0': 'scan_input_id_1', '1': 'scan_input_id_1' } | 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! |
config | Object | config: { ... } | Configuration object for scan type BARCODE. For more information check out the links below. |
errorMessage | String | errorMessage: 'This is my custom error.' | Customized error message in case the scan fails. |
audioFeedback | Boolean | audioFeedback: true | Enables or disables an audible feedback on proccessing the scan. |
vibrationFeedback | Boolean | vibrationFeedback: true | Enables or disables a haptic feedback on proccessing the scan. |
callbackFeedback | Boolean | callbackFeedback: true | Enables or disables a audible feedback on success. |
callback | Function(config: scan, result: any, postfix: string) | callback: HFFormdefinition.BaselHelpers.callback | Call a custom JS-method after the scan is completed |
multiple | Boolean | multiple: true | Enables or disables multiple scanning. Scan starts again after successful scan. It is aborted after an error or by cancel scanning manually. |
multipleMessage | String | multipleMessage: 'Another scan follows - abort with Cancel or Back' | Displays confirm message after every scan to start or abort next scan. |
postProcess | Function(config: scan, result: any, postfix: string) | postProcess: HFFormdefinition.BaselHelpers.postProcessMRZ | Call a custom JS-method to postprocess the scanned values |
* These options are required.
** Please provide at least one of these options.
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.