How to remove underline in Vaadin TextField?

How can I remove the default underline in a Vaadin text field when it is used inside a Vaadin combo box?

Upon inspecting with dev tools, I found that a div with attribute part="input-field" is causing the underline. While setting display: none; manually works in the browser, I am unable to target it using CSS code. I have tried the following approaches:

`[part="input-field"] {
     display: none !important;
 }
 .vaadin-text-field-container [part="input-field"] {
     display: none !important;
 }`
cssvaadinpolymer-3.x

Answer №1

Integrate the Viritin add-on (ensure it's up to date) into your project and set up as follows:

TextField field = new MTextField().withSpellCheckOff();

Alternatively,

If you prefer, you can utilize the lower-level API to configure the HTML element directly:

new HtmlElementPropertySetter(yourTextInputComponent).setProperty(
                "spellcheck", false);

Answer №2

My solution involved inserting a new module into the HTML code. I positioned it right before the initial script tag in the document.

<dom-module id="vaadin-text-field-module" theme-for="vaadin-text-field">
<template>
  <style>
    div::before, div::after {
      display: none;
    }
  </style>
</template>

:before represents the underline prior to inputting any text, while :after refers to the line after. By doing this, both elements were effectively disabled. Moreover, [part="input-field"] prevented the user from entering text which wasn't visible post-selection.

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