Position popup open in Vue Drop down button component

11 Jun 20244 minutes to read

Popup open position can be changed according to the requirement. Popup open position can be changed in open event by setting top and left for the popup element.

In the following example, the top position of the popup element is changed in open event.

Composition API (~/src/App.vue)

<template>
    <ejs-dropdownbutton id="ddBtn" :items='items' cssClass='e-caret-up' :open='onOpen'>Clipboard</ejs-dropdownbutton>
</template>

<script setup>

import { DropDownButtonComponent as EjsDropdownbutton } from "@syncfusion/ej2-vue-splitbuttons";
import { OpenCloseMenuEventArgs } from '@syncfusion/ej2-splitbuttons';
import { enableRipple } from '@syncfusion/ej2-base';
enableRipple(true);
const items = [
    {
        text: 'Cut'
    },
    {
        text: 'Copy'
    },
    {
        text: 'Paste'
    }];

const onOpen = function (args: OpenCloseMenuEventArgs) {
    args.element.parentElement.style.top = document.getElementById('ddBtn').ej2_instances[0].element.getBoundingClientRect().top - args.element.parentElement.offsetHeight + 'px';
}
</script>

<style>
@import '../node_modules/@syncfusion/ej2-base/styles/material.css';
@import '../node_modules/@syncfusion/ej2-buttons/styles/material.css';
@import '../node_modules/@syncfusion/ej2-popups/styles/material.css';
@import '../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css';

.e-dropdown-btn {
    margin: 25% 5px 25px 30%;
}
</style>

Options API (~/src/App.vue)

<template>
<ejs-dropdownbutton id="ddBtn" :items='items' cssClass= 'e-caret-up' :open='onOpen'>Clipboard</ejs-dropdownbutton>
</template>

<script>

import { DropDownButtonComponent } from "@syncfusion/ej2-vue-splitbuttons";
import { OpenCloseMenuEventArgs } from '@syncfusion/ej2-splitbuttons';
import { enableRipple } from '@syncfusion/ej2-base';
enableRipple(true);
export default {
name: "App",
components: {
"ejs-dropdownbutton":DropDownButtonComponent
},
    data () {
        return {
            items:[
            {
                text: 'Cut'
            },
            {
                text: 'Copy'
            },
            {
                text: 'Paste'
            }]
        };
    },
    methods: {
        onOpen: function(args: OpenCloseMenuEventArgs) {
            args.element.parentElement.style.top = document.getElementById('ddBtn').ej2_instances[0].element.getBoundingClientRect().top - args.element.parentElement.offsetHeight +'px';
        }
    }
}
</script>

<style>
  @import '../node_modules/@syncfusion/ej2-base/styles/material.css';
  @import '../node_modules/@syncfusion/ej2-buttons/styles/material.css';
  @import '../node_modules/@syncfusion/ej2-popups/styles/material.css';
  @import '../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css';
  .e-dropdown-btn{
      margin: 25% 5px 25px 30%;
  }
</style>