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<!--
SPDX-FileCopyrightText: syuilo and misskey-project
SPDX-License-Identifier: AGPL-3.0-only
-->
<template>
<Sortable :modelValue="modelValue" tag="div" itemKey="id" handle=".drag-handle" :group="{ name: 'blocks' }" :animation="150" :swapThreshold="0.5" @update:modelValue="v => emit('update:modelValue', v)">
<template #item="{element}">
<div :class="$style.item">
<!-- divが無いとエラーになる https://github.com/SortableJS/vue.draggable.next/issues/189 -->
<component :is="getComponent(element.type)" :modelValue="element" @update:modelValue="updateItem" @remove="() => removeItem(element)"/>
</div>
</template>
</Sortable>
</template>
<script lang="ts" setup>
import { defineAsyncComponent } from 'vue';
import * as Misskey from 'misskey-js';
import XSection from './els/page-editor.el.section.vue';
import XText from './els/page-editor.el.text.vue';
import XImage from './els/page-editor.el.image.vue';
import XNote from './els/page-editor.el.note.vue';
function getComponent(type: string) {
switch (type) {
case 'section': return XSection;
case 'text': return XText;
case 'image': return XImage;
case 'note': return XNote;
default: return null;
}
}
const Sortable = defineAsyncComponent(() => import('vuedraggable').then(x => x.default));
const props = defineProps<{
modelValue: Misskey.entities.Page['content'];
}>();
const emit = defineEmits<{
(ev: 'update:modelValue', value: Misskey.entities.Page['content']): void;
}>();
function updateItem(v) {
const i = props.modelValue.findIndex(x => x.id === v.id);
const newValue = [
...props.modelValue.slice(0, i),
v,
...props.modelValue.slice(i + 1),
];
emit('update:modelValue', newValue);
}
function removeItem(el) {
const i = props.modelValue.findIndex(x => x.id === el.id);
const newValue = [
...props.modelValue.slice(0, i),
...props.modelValue.slice(i + 1),
];
emit('update:modelValue', newValue);
}
</script>
<style lang="scss" module>
.item {
& + .item {
margin-top: 16px;
}
}
</style>
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