Arthur Maniet
670d759dbf
Only the barcode handlers in the front view should listen to barcode events.
48 lines
1.6 KiB
JavaScript
48 lines
1.6 KiB
JavaScript
odoo.define('barcodes.BarcodeHandlerMixin', function(require) {
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"use strict";
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var core = require('web.core');
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var View = require('web.View');
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// Mixin implementing the common basis for barcode handlers.
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// The object on which this mixin is applied must also include ParentedMixin. Example :
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// Widget.extend(BarcodeHandlerMixin, { ... });
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// Class.extend(PropertiesMixin, BarcodeHandlerMixin, { ... });
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return {
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init: function() {
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var self = this;
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this._super.apply(this, arguments);
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this.__on_barcode_scanned = function () {
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self.on_barcode_scanned.apply(self, arguments);
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};
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this.start_listening();
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// Handlers inside a View managed by a ViewManager only listen to barcode events while their view is displayed
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var view = this.findAncestor(function(ancestor) { return ancestor instanceof View });
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if (view) {
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view.on('attached', this, this.start_listening);
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view.on('detached', this, this.stop_listening);
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}
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},
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start_listening: function() {
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if (! this.is_listening) {
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core.bus.on('barcode_scanned', this, this.__on_barcode_scanned);
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this.is_listening = true;
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}
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},
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stop_listening: function() {
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if (this.is_listening) {
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core.bus.off('barcode_scanned', this, this.__on_barcode_scanned);
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this.is_listening = false;
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}
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},
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on_barcode_scanned: function(barcode) {
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console.error('A class implementing BarcodeHandlerMixin must redefine method on_barcode_scanned.');
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},
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};
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});
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