BootstrapVue Show Form in Modal
April 9, 2020Create Form Component with Validation (using vuelidate)
Edit components/PlaceForm.vue
<template>
<div>
<b-form ref="form" @submit.prevent="submit">
<b-form-group
label="Name"
label-for="input-name"
invalid-feedback="Name is required"
>
<b-form-input
:state="validateState($v.item.name)"
id="input-name"
v-model="$v.item.name.$model"
></b-form-input>
</b-form-group>
<b-button type="submit" variant="primary">Submit</b-button>
</b-form>
</div>
</template>
<script>
import { validationMixin } from "vuelidate"
import { required, minLength } from "vuelidate/lib/validators"
export default {
mixins: [validationMixin],
props: ['item'],
/*
data() {
item: {
name: 'Desmond'
},
},
*/
validations: {
item: {
name: {
required
},
}
},
methods: {
validateState(item) {
const { $dirty, $error } = item
return $dirty ? !$error : null
},
submit() {
this.$v.item.$touch()
if (this.$v.item.$anyError)
return false
return this.item
}
}
}
</script>
Usage: a table of items, each row have an edit button to show edit form as modal
<template>
<div>
<b-table striped hover :items="items" :fields="fields">
<template v-slot:cell(action)="data">
<b-button size="sm" variant="outline-primary" @click="showEditPlaceModel(data.index, data.item)">Edit</b-button>>
</template>
</b-table>
<b-modal ref="editPlaceModal" title="Edit Place" @ok.prevent="submitEditPlace">
<place-form ref="editPlaceForm" :item="editPlace" />
</b-modal>
</div>
</template>
<script>
import Vue from 'vue'
import PlaceForm from '~/components/PlaceForm.vue'
export default {
data() {
return {
fields: ['name', 'action'],
items: [
{ name: 'New York' },
{ name: 'Tokyo' },
{ name: 'Kuala Lumpur' }
],
editPlace: null,
editIndex: null
}
},
methods: {
showEditPlaceModel(index, data) {
// deep clone
editPlace = JSON.parse(JSON.stringify(data))
// shallow clone
// this.editPlace = Object.assign({}, data)
this.editIndex = index
this.$refs.editPlaceModal.show()
},
submitEditPlace() {
const data = this.$refs.editPlaceForm.submit()
if (data) {
// do something: save data?
// reactive caveats
// this.items[this.editIndex] = newData
Vue.set(this.items, this.editIndex, data)
this.$nextTick(() => {
this.$refs.editPlaceModal.hide()
})
}
}
},
components: { PlaceForm }
}
</script>
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