App.vue

<script setup>
import Grid from "../../src/Grid.vue";
</script>

<template>
  <div id="app">
    <Grid :rows="10" :cols="5" :pos-validation="blockField" v-model="items">
      <div id="blocker">
        This field is blocked because it's filled, the next one programmatically
      </div>
    </Grid>
  </div>
</template>

<script>
export default {
  name: "App",
  methods: {
    blockField(x, y, key) {
      // We won't move fields with ID 'obj8' and nothing into (4, 3)
      if (x === 4 && y === 3) return false;
      return key !== "obj8";
    },
  },
  data() {
    return {
      items: [
        { x: 1, y: 3, w: 1, h: 1, key: "obj1", data: {} },
        { x: 2, y: 1, w: 1, h: 1, key: "obj2", data: {} },
        { x: 3, y: 1, w: 2, h: 2, key: "obj3", data: {} },
        { x: 5, y: 2, w: 1, h: 1, key: "obj4", data: {} },
        { x: 1, y: 1, w: 1, h: 2, key: "obj5", data: {} },
        { x: 5, y: 1, w: 1, h: 1, key: "obj6", data: {} },
        { x: 2, y: 2, w: 1, h: 3, key: "obj7", data: {} },
        {
          x: 1,
          y: 4,
          w: 1,
          h: 1,
          key: "obj8",
          data: { title: "I'm blocked from moving!" },
        },
        { x: 5, y: 3, w: 1, h: 1, key: "obj9", data: {} },
      ],
    };
  },
};
</script>

<style scoped>
#blocker {
  grid-row: 3 / span 1;
  grid-column: 3 / span 1;
  background-image: linear-gradient(
    45deg,
    #edd85f 25%,
    #0f2b3d 25%,
    #0f2b3d 50%,
    #edd85f 50%,
    #edd85f 75%,
    #0f2b3d 75%,
    #0f2b3d 100%
  );
  background-size: 56.57px 56.57px;
  color: white;
  font-size: large;
  font-weight: bold;
  text-shadow: 4px 4px 4px #2c3e50;
}
</style>