opnform/resources/js/pages/forms/edit.vue

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<template>
<div class="w-full flex flex-col">
<form-editor v-if="pageLoaded" ref="editor"
:style="{
'max-height': editorMaxHeight + 'px'
}"
:isEdit="true"
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@mounted="onResize"
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@on-save="formInitialHash=null"
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/>
<div v-else-if="!loading && error" class="mt-4 rounded-lg max-w-xl mx-auto p-6 bg-red-100 text-red-500">
{{ error }}
</div>
<div v-else class="text-center mt-4 py-6">
<loader class="h-6 w-6 text-nt-blue mx-auto" />
</div>
</div>
</template>
<script>
import axios from 'axios'
import store from '~/store'
import Breadcrumb from '../../components/common/Breadcrumb.vue'
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import Form from 'vform'
import { mapState } from 'vuex'
import SeoMeta from '../../mixins/seo-meta.js'
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const loadForms = function () {
store.commit('open/forms/startLoading')
store.dispatch('open/workspaces/loadIfEmpty').then(() => {
store.dispatch('open/forms/load', store.state['open/workspaces'].currentId)
})
}
export default {
name: 'EditForm',
components: { Breadcrumb },
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beforeRouteEnter (to, from, next) {
if (!store.getters['open/forms/getBySlug'](to.params.slug)) {
loadForms()
}
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store.commit('open/working_form/set', null) // Reset old working form
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next()
},
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beforeRouteLeave (to, from, next) {
if (this.isDirty()) {
return this.alertConfirm('Changes you made may not be saved. Are you sure want to leave?', () => {
window.onbeforeunload = null
next()
}, () => {})
}
next()
},
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middleware: 'auth',
mixins: [SeoMeta],
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data () {
return {
loading: false,
error: null,
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editorMaxHeight: 500,
formInitialHash: null
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}
},
computed: {
...mapState({
formsLoading: state => state['open/forms'].loading
}),
updatedForm: {
get () {
return this.$store.state['open/working_form'].content
},
/* We add a setter */
set (value) {
this.$store.commit('open/working_form/set', value)
}
},
form () {
return this.$store.getters['open/forms/getBySlug'](this.$route.params.slug)
},
pageLoaded () {
return !this.loading && this.updatedForm !== null
},
metaTitle () {
return 'Edit ' + (this.form ? this.form.title : 'Your Form')
},
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},
watch: {
form () {
this.updatedForm = new Form(this.form)
}
},
created () {
window.addEventListener('resize', this.onResize)
},
destroyed () {
window.removeEventListener('resize', this.onResize)
},
mounted () {
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window.onbeforeunload = () => {
if (this.isDirty()) {
return false
}
}
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this.closeAlert()
if (!this.form) {
loadForms()
} else {
this.updatedForm = new Form(this.form)
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this.formInitialHash = this.hashString(JSON.stringify(this.updatedForm.data()))
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}
},
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methods: {
/**
* Compute max height of editor
*/
onResize () {
if (this.$refs.editor) {
this.editorMaxHeight = Math.max(500, window.innerHeight - this.$refs.editor.$el.offsetTop)
}
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},
isDirty () {
return !this.loading && this.formInitialHash && this.formInitialHash !== this.hashString(JSON.stringify(this.updatedForm.data()))
},
hashString (str, seed = 0) {
let h1 = 0xdeadbeef ^ seed
let h2 = 0x41c6ce57 ^ seed
for (let i = 0, ch; i < str.length; i++) {
ch = str.charCodeAt(i)
h1 = Math.imul(h1 ^ ch, 2654435761)
h2 = Math.imul(h2 ^ ch, 1597334677)
}
h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909)
h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909)
return 4294967296 * (2097151 & h2) + (h1 >>> 0)
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}
}
}
</script>