Guide on producing a milky overlay using Vue js

Currently, I am utilizing Vue 3 along with Bootstrap 5 in my project.

In my application, there is a button and two input fields. Upon clicking the button, I would like to display a "milky" overlay as shown in this example:

https://i.sstatic.net/K21k8.png

Can someone guide me on how to achieve this effect?

Here is the code that I am working with:

<template>
  <div class="row">
    <button class="btn btn-dark" @click="overlayMilky()">Button</button>
  </div>

  <div class="row mt-2">
    <div class="col-12">
      <span>Input 2</span>
      <input class="form-control" />
    </div>
    <div class="col-12">
      <span>Input 3</span>
      <input class="form-control" />
    </div>
  </div>
</template>

<script>
  export default {
    methods: {
      overlayMilky() {
        // Code logic to set overlay to milky 
      }
    }
  }
</script>

Answer №1

To start, enclose the input fields within a container element. Give this container element a style of position: relative. Next, add a child element called overlay, which should have position: absolute to be positioned absolutely with respect to the container. The overlay should also have

width: 100%; height: 100%; top: 0px; left: 0px;
to occupy the entire space of the container. Then, you can utilize v-if to conditionally show/hide the overlay based on a specified state.

<div v-if="showOverlay" class="overlay"></div>
methods: {
    toggleOverlay() {
      this.showOverlay = !this.showOverlay;
      // change overlay appearance
    },
},

This code snippet provides a complete example.

<template>
  <div>
    <div class="row">
      <button class="btn btn-dark" @click="toggleOverlay()">Button</button>
    </div>
    <div class="container">
      <div v-if="showOverlay" class="overlay"></div>
      <div class="row mt-2">
        <div class="col-12">
          <span>Input Field 1</span>
          <input class="form-control" />
        </div>
        <div class="col-12">
          <span>Input Field 2</span>
          <input class="form-control" />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      showOverlay: false,
    };
  },
  methods: {
    toggleOverlay() {
      this.showOverlay = !this.showOverlay;
      // change overlay appearance
    },
  },
};
</script>

<style>
.container {
  position: relative;
}

.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0px;
  left: 0px;
  background-color: rgba(255, 255, 255, 0.4);
}
</style>

https://codesandbox.io/s/vue3-bootstrap-forked-z8f7hd?fontsize=14&hidenavigation=1&theme=dark

Answer №2

Make sure to include a data element that defines the "milky" overlay status. To implement this, just assign this.milkyOverlay = true inside the overlayMilky function. Afterwards, utilize the milkyOverlay attribute to apply the milky CSS class or display the milky div prominently.

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