eiru_pos/src/App.vue

<template lang="pug">
    .pos
        form-wizard(title="" subtitle="" finishButtonText="Finalizar" color="#7c7bad" nextButtonText="Continuar" backButtonText="Volver" transition="fade" @on-complete="completeSale()")
            tab-content(title="Agregue productos al carrito" :before-change="checkCart")
                cart-step
            tab-content(title="Seleccione un cliente" :before-change="checkCustomer")
                customer-step
            tab-content(title="Vea un resumen de su operación")
                payment-step
        loader
</template>

<script>
    import { FormWizard, TabContent } from 'vue-form-wizard'
    import 'vue-form-wizard/dist/vue-form-wizard.min.css'

    import CartStep from '@/components/cart/CartStep'
    import CustomerStep from '@/components/customer/CustomerStep'
    import PaymentStep from '@/components/payment/PaymentStep'
    import Loader from '@/components/Loader'

    import { mapActions, mapGetters } from 'vuex'
    import Vuex from 'vuex'

    export default {
        components: {
            TabContent,
            FormWizard,
            CartStep,
            CustomerStep,
            PaymentStep,
            Loader,
        },
        computed: mapGetters([
            'cartIsEmpty',
            'hasSelectedCustomer'
        ]),
        methods: {
            checkCart() {
                if (!this.cartIsEmpty) {
                    this.notify('Necesitas agregar productos al carrito para continuar')
                }

                return this.cartIsEmpty
            },
            checkCustomer() {
                if (!this.hasSelectedCustomer) {
                    this.notify('Necesitas seleccionar un cliente para continuar')
                }

                return this.hasSelectedCustomer
            },
            ...mapActions([
                'initSale',
                'notify',
                'completeSale'
            ])
        },
        mounted() {
            this.initSale(this.$root.pos_instance)
        }
    }
</script>

<style lang="sass">
    .pos
        width: 100%
        height: 100%
        position: absolute

        .vue-form-wizard
            width: 100%
            height: 100%
            padding-bottom: 0
            
            .wizard-header
                display: none

            .wizard-navigation
                width: 100%
                height: 100%

                .wizard-progress-with-circle
                    top: 35px

                .wizard-icon-circle
                    width: 60px
                    height: 60px

                .wizard-tab-content
                    width: 100%
                    height: calc(100% - 82px)
                    padding: 0
                    overflow: hidden

                    .wizard-tab-container
                        width: calc(100% - 20px)
                        height: calc(100% - 20px)
                        margin: 10px

                        .pos-step
                            width: 100%
                            height: 100%
                            background: #fff

            .wizard-card-footer
                width: 100%
                height: 50px
                position: absolute
                bottom: 0

                .wizard-btn
                    width: 160px
                    height: 40px
                    border-radius: 0
                    box-shadow: none
                    border: none
                    &:hover, &:focus
                        background: #7c7bad
</style>