Enable or disable items in Vue List box component

11 Jun 20245 minutes to read
To enable or disable items in the list box, enableItems method can be used. In the following example, the Bugatti Veyron Super Sport and SSC Ultimate Aero items are disabled by default and by clicking Enable Items buttons, the disabled items will be enabled.
Composition API (~/src/App.vue)
Options API (~/src/App.vue)
<template>
  <div id="app">
    <div id='container' style="margin:10px auto 0; width:250px;">
      <ejs-listbox id="listbox" :dataSource='data' :created="onCreated"></ejs-listbox>
      <button id="enableitem" class="e-btn" v-on:click="enableitem">Enable Items</button>
    </div>
  </div>
</template>
<script setup>
import { ListBoxComponent as EjsListbox } from "@syncfusion/ej2-vue-dropdowns";

const data = [
  { text: 'Hennessey Venom', id: 'list-01' },
  { text: 'Bugatti Chiron', id: 'list-02' },
  { text: 'Bugatti Veyron Super Sport', id: 'list-03' },
  { text: 'SSC Ultimate Aero', id: 'list-04' },
  { text: 'Koenigsegg CCR', id: 'list-05' },
  { text: 'McLaren F1', id: 'list-06' },
  { text: 'Aston Martin One- 77', id: 'list-07' },
  { text: 'Jaguar XJ220', id: 'list-08' },
  { text: 'McLaren P1', id: 'list-09' },
  { text: 'Ferrari LaFerrari', id: 'list-10' },
];

const onCreated = function () {
  var listboxobj = document.getElementById("listbox").ej2_instances[0];
  listboxobj.enableItems(["Bugatti Veyron Super Sport", "SSC Ultimate Aero"], false)
}

const enableitem = function () {
  var listboxobj1 = document.getElementById("listbox").ej2_instances[0];
  listboxobj1.enableItems(["Bugatti Veyron Super Sport", "SSC Ultimate Aero"], true)
}

</script>
<style>
@import "../node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
@import "../node_modules/@syncfusion/ej2-vue-dropdowns/styles/material.css";
</style>
<template>
  <div id="app">
    <div id='container' style="margin:10px auto 0; width:250px;">
      <ejs-listbox id="listbox" :dataSource='data' :created="onCreated"></ejs-listbox>
      <button id="enableitem" class="e-btn" v-on:click="enableitem">Enable Items</button>
    </div>
  </div>
</template>
<script>
import { ListBoxComponent } from "@syncfusion/ej2-vue-dropdowns";

export default {
  name: "App",
  components: {
    "ejs-listbox": ListBoxComponent
  },
  data() {
    return {
      data: [
        { text: 'Hennessey Venom', id: 'list-01' },
        { text: 'Bugatti Chiron', id: 'list-02' },
        { text: 'Bugatti Veyron Super Sport', id: 'list-03' },
        { text: 'SSC Ultimate Aero', id: 'list-04' },
        { text: 'Koenigsegg CCR', id: 'list-05' },
        { text: 'McLaren F1', id: 'list-06' },
        { text: 'Aston Martin One- 77', id: 'list-07' },
        { text: 'Jaguar XJ220', id: 'list-08' },
        { text: 'McLaren P1', id: 'list-09' },
        { text: 'Ferrari LaFerrari', id: 'list-10' },
      ];
    }
  },
  methods: {
    onCreated: function (e) {
      let listboxobj = document.getElementById("listbox").ej2_instances[0];
      listboxobj.enableItems(["Bugatti Veyron Super Sport", "SSC Ultimate Aero"], false)
    },
    enableitem: function (e) {
      let listboxobj1 = document.getElementById("listbox").ej2_instances[0];
      listboxobj1.enableItems(["Bugatti Veyron Super Sport", "SSC Ultimate Aero"], true)
    }
  }
}

</script>
<style>
@import "../node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
@import "../node_modules/@syncfusion/ej2-vue-dropdowns/styles/material.css";
</style>