Для тех, кто может найти это полезным, это то, что работает для меня. Я не могу объяснить, почему все работает, поэтому надеюсь, что кто-нибудь умнее меня сможет это разработать.
Чтобы заставить переменную вычисляемого массива работать с v-моделью и v-for, я использовал map()
как показано ниже:
let completeListOfStatements = this.lists.map(
d => d.correctlyOrderedList
);
Насколько я понимаю, map()
возвращает массив.
Затем в v-модели я установил его в массив, который находится внутри объекта. Это тот самый, на котором я использовал map()
. Это можно увидеть ниже.
<draggable
v-model="lists.correctlyOrderedList"
v-bind="dragOptions"
class="list-group"
@start="isDragging=true"
@end="isDragging=false"
>
Для сравнения с кодом в моем вопросе вот весь код компонента:
<template>
<div class="draggable-list-container">
<div
class="draggable-list-inner-container"
v-for="(statement, index) in splitCompleteListOfStatements"
:key="index"
>
<h1>{{ lists[index].title }}</h1>
<draggable
v-model="lists.correctlyOrderedList"
v-bind="dragOptions"
class="list-group"
@start="isDragging=true"
@end="isDragging=false"
>
<transition-group name="flip-list" type="transition">
<li
v-for="(statement, index) in statement"
:key="index + 'index'"
class="drag-item flex flex-justify-betweeen"
>{{ statement }}</li>
</transition-group>
</draggable>
</div>
<div class="submit-button-container">
<button class="btn" @click="revealAnswers">Reveal answers</button>
</div>
</div>
</template>
<script>
import draggable from "vuedraggable";
export default {
name: "Drag",
data() {
return {
lists: [
{
title: "0-6 months",
correctlyOrderedList: [
"Lifting Head",
"Rolling",
"Sitting (with support)"
]
},
{
title: "6-12 months",
correctlyOrderedList: [
"Crawling on stomach",
"Sitting (without support)",
"Stands with support and walks holding on",
"Rolls a ball"
]
},
{
title: "12-18 months",
correctlyOrderedList: ["Crawling", "Walks alone"]
},
{
title: "18 months – 2 years",
correctlyOrderedList: [
"Walks smoothly and turns corners",
"Walks upstairs with support",
"Begins running"
]
},
{
title: "2-3 years",
correctlyOrderedList: [
"Walks upstairs without support",
"Runs safely",
"Catches using body and arms"
]
},
{
title: "3-4 years",
correctlyOrderedList: ["Kicks a ball forwards", "Can hop on one foot"]
},
{
title: "4-5 years",
correctlyOrderedList: [
"Catches using only their hands",
"Can skip following a demonstration"
]
}
]
};
},
components: {
draggable
},
methods: {
disorderedArrayMethod(value) {
//Randomizes array
let fullArrayInOrder = value;
var copy = [],
n = fullArrayInOrder.length,
i;
// While there remain elements to shuffle…
while (n) {
// Pick a remaining element…
i = Math.floor(Math.random() * fullArrayInOrder.length);
// If not already shuffled, move it to the new array.
if (i in fullArrayInOrder) {
copy.push(fullArrayInOrder[i]);
delete fullArrayInOrder[i];
n--;
}
}
return copy;
},
revealAnswers() {this.splitCompleteListOfStatements[0].push("Hello")}
},
computed: {
dragOptions() {
return {
animation: 0,
group: "shared",
disabled: false,
ghostClass: "ghost"
};
},
splitCompleteListOfStatements() {
let completeListOfStatements = this.lists.map(
//Maps out full array (Basically loops through gathers the arrays and creates an array from them)
d => d.correctlyOrderedList
);
completeListOfStatements = completeListOfStatements.reduce(function(
//The map returns an array as the following [[a,b], [], []] etc. So this turns it into [a,b,c,d]
a,
b
) {
return a.concat(b);
}, []);
completeListOfStatements = this.disorderedArrayMethod(
completeListOfStatements
); //This sends it to a method that jumbles the array
var temp = [];
var preVal = 0;
var nextVal = 3;
for (var i = 0; i < 7; i++) {
temp.push(completeListOfStatements.slice(preVal, nextVal));
preVal = nextVal;
nextVal = nextVal + 3;
}
return temp;
}
}
};
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
.title {
margin-bottom: 0.5em;
}
.submit-button-container {
margin-top: 5px;
}
.btn {
width: 10em;
height: 5em;
}
.draggable-list-container {
display: inline-block;
justify-content: center;
min-height: 200px;
}
.list-group {
min-height: 80px;
}
.drag-item {
justify-content: center;
padding: 15px 10px;
background-color: whitesmoke;
border: 1px solid black;
width: 20em;
margin: 2px;
cursor: move;
}
.list-group-item {
position: relative;
display: block;
padding: 0.75rem 1.25rem;
margin-bottom: -1px;
background-color: #fff;
border: 1px solid rgba(0, 0, 0, 0.125);
}
.flip-list-move {
transition: transform 0.5s;
}
.no-move {
transition: transform 0s;
}
.ghost {
opacity: 0.5;
background: #c8ebfb;
}
.list-group-item {
cursor: move;
}
</style>