绑定容器

设置bounded属性，可以限制部件拖动范围限制在容器内

Displayed as [x, y, w, h] (第几列,第几行,宽度,高度) :

0 : [0, 0, 2, 2]

1 : [2, 0, 2, 4]

2 : [4, 0, 2, 5]

3 : [6, 0, 2, 3]

4 : [8, 0, 2, 3]

5 : [10, 0, 2, 3]

6 : [0, 5, 2, 5]

7 : [2, 5, 2, 5]

8 : [4, 5, 2, 5]

9 : [6, 4, 2, 4]

10 : [8, 4, 2, 4]

11 : [10, 4, 2, 4]

12 : [0, 10, 2, 5]

13 : [2, 10, 2, 5]

14 : [4, 8, 2, 4]

15 : [6, 8, 2, 4]

16 : [8, 10, 2, 5]

17 : [10, 4, 2, 2]

18 : [0, 9, 2, 3]

19 : [2, 6, 2, 2]

<template>
  <div class="container">
    <DisplayLayout :layout="state.layout" />
    <b-checkbox v-model="state.draggable">Draggable</b-checkbox>
    <b-checkbox v-model="state.resizable">Resizable</b-checkbox>
    <b-checkbox v-model="state.bounded">Bounded</b-checkbox>
    <b-divider />
    <b-grid-layout
      v-model:layout="state.layout"
      :col-num="12"
      :row-height="30"
      :is-draggable="state.draggable"
      :is-resizable="state.resizable"
      :is-bounded="state.bounded"
      :vertical-compact="true"
      :use-css-transforms="true"
    >
      <b-grid-item
        v-for="item in state.layout"
        :key="item.i"
        :x="item.x"
        :y="item.y"
        :w="item.w"
        :h="item.h"
        :i="item.i"
      >
        <div class="item-box">
          <span class="text">{{ item.i }}</span>
        </div>
      </b-grid-item>
    </b-grid-layout>
  </div>
</template>

<script setup>
import { reactive } from 'vue'

const state = reactive({
  layout: [
    { x: 0, y: 0, w: 2, h: 2, i: '0' },
    { x: 2, y: 0, w: 2, h: 4, i: '1' },
    { x: 4, y: 0, w: 2, h: 5, i: '2' },
    { x: 6, y: 0, w: 2, h: 3, i: '3' },
    { x: 8, y: 0, w: 2, h: 3, i: '4' },
    { x: 10, y: 0, w: 2, h: 3, i: '5' },
    { x: 0, y: 5, w: 2, h: 5, i: '6' },
    { x: 2, y: 5, w: 2, h: 5, i: '7' },
    { x: 4, y: 5, w: 2, h: 5, i: '8' },
    { x: 6, y: 4, w: 2, h: 4, i: '9' },
    { x: 8, y: 4, w: 2, h: 4, i: '10' },
    { x: 10, y: 4, w: 2, h: 4, i: '11' },
    { x: 0, y: 10, w: 2, h: 5, i: '12' },
    { x: 2, y: 10, w: 2, h: 5, i: '13' },
    { x: 4, y: 8, w: 2, h: 4, i: '14' },
    { x: 6, y: 8, w: 2, h: 4, i: '15' },
    { x: 8, y: 10, w: 2, h: 5, i: '16' },
    { x: 10, y: 4, w: 2, h: 2, i: '17' },
    { x: 0, y: 9, w: 2, h: 3, i: '18' },
    { x: 2, y: 6, w: 2, h: 2, i: '19' }
  ],
  draggable: true,
  resizable: true,
  bounded: true
})
</script>

<style scoped>
.container {
  .item-box {
    padding: 8px;
    .text {
      font-size: 18px;
      text-align: center;
      margin: auto;
      height: 100%;
      width: 100%;
    }
    .remove {
      position: absolute;
      right: 2px;
      top: 0;
      cursor: pointer;
    }
  }
}
</style>