Utilizing Vuetify color variables in combination with ternary operators: A guide

Question

Utilizing Vuetify color variables in combination with ternary operators: A guide

I'm experimenting with conditional logic to dynamically change the background color of a button. I've seen examples using the ternary operator to do so, but haven't come across any that utilize color variables defined in the theme options. Is it possible to achieve this effect by tapping into root-defined variable color options?

            <v-btn class="mx-2"
                   fab
                   dark
                   color="{toggleEdit ? primary : secondary}"
                   @@click.stop="toggleEdit = !toggleEdit">
                <v-icon v-if="toggleEdit" dark>mdi-pencil</v-icon>
                <v-icon v-else dark>mdi-check</v-icon>
            </v-btn>

and

                <v-btn class="mx-2"
                   fab
                   dark
                   color="{toggleEdit ? 'var(--primary)' : 'var(--secondary)'}"
                   @@click.stop="toggleEdit = !toggleEdit">
                <v-icon v-if="toggleEdit" dark>mdi-pencil</v-icon>
                <v-icon v-else dark>mdi-check</v-icon>
            </v-btn>

javascript vue.js vuetify.js vuejs3

Answer 1

Answer №1

To properly implement this feature, make use of the code snippet provided below:

<v-btn class="mx-2"
               fab
               dark
               :color="toggleEdit ? 'var(--primary)': 'var(--secondary)'"
               @@click.stop="toggleEdit = !toggleEdit">
            <v-icon v-if="toggleEdit" dark>mdi-pencil</v-icon>
            <v-icon v-else dark>mdi-check</v-icon>
</v-btn>

Answer 2

To properly implement this feature, make use of the code snippet provided below:

<v-btn class="mx-2"
               fab
               dark
               :color="toggleEdit ? 'var(--primary)': 'var(--secondary)'"
               @@click.stop="toggleEdit = !toggleEdit">
            <v-icon v-if="toggleEdit" dark>mdi-pencil</v-icon>
            <v-icon v-else dark>mdi-check</v-icon>
</v-btn>

Answer 3

Answer №2

Make sure to utilize

:color="{toggleEdit ? primary : secondary}"

, as it needs to be correctly processed and passed without any issues.

Referencing the documentation at: https://vuetifyjs.com/en/api/v-btn/#props, it states that the color property should be a string rather than an object, so the correct syntax would be:

:color="toggleEdit ? primary : secondary"

Assuming that primary and secondary are strings available in the local context representing color values.

If primary or secondary variables are not present in the local context (as properties within the data of the parent component), you can access default theme colors using:

:color="toggleEdit ? $vuetify.theme.themes.light.primary : 
    this.$vuetify.theme.themes.light.secondary"

You can switch between light and dark based on your configuration.

If you need to manipulate CSS variables, ensure that the customProperties setting is enabled in your theme setup (refer to the links below for more details). Once enabled, you can access color variables like so:

:color="toggleEdit ? 'var(--v-primary-base)' : 'var(--v-secondary-base)'"

For additional information: https://vuetifyjs.com/en/features/theme/#customizing https://vuetifyjs.com/en/features/theme/#custom-properties

Answer 4

Make sure to utilize

:color="{toggleEdit ? primary : secondary}"

, as it needs to be correctly processed and passed without any issues.

Referencing the documentation at: https://vuetifyjs.com/en/api/v-btn/#props, it states that the color property should be a string rather than an object, so the correct syntax would be:

:color="toggleEdit ? primary : secondary"

Assuming that primary and secondary are strings available in the local context representing color values.

If primary or secondary variables are not present in the local context (as properties within the data of the parent component), you can access default theme colors using:

:color="toggleEdit ? $vuetify.theme.themes.light.primary : 
    this.$vuetify.theme.themes.light.secondary"

You can switch between light and dark based on your configuration.

If you need to manipulate CSS variables, ensure that the customProperties setting is enabled in your theme setup (refer to the links below for more details). Once enabled, you can access color variables like so:

:color="toggleEdit ? 'var(--v-primary-base)' : 'var(--v-secondary-base)'"

For additional information: https://vuetifyjs.com/en/features/theme/#customizing https://vuetifyjs.com/en/features/theme/#custom-properties

Answer 5

Answer №3

Kindly review the snippet below:

* {
  --primary: goldenrod;
  --secondary: seagreen;
}

<html>
<head>
  <link href="https://cdn.jsdelivr.net/npm/@mdi/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5d3b3233291d6b7325">[email protected]</a>/css/materialdesignicons.min.css" rel="stylesheet">
  <link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="a5d3d0c0d1ccc3dce5978bdd">[email protected]</a>/dist/vuetify.min.css" rel="stylesheet">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, minimal-ui">
</head>
<body>
  <div id="app">
    <v-app>
      <v-main>
        <v-container>
          <v-btn class="mx-2"
               fab
               dark
               :color="toggleEdit ? 'var(--primary)': 'var(--secondary)'"
               @click.stop="toggleEdit = !toggleEdit">
            <v-icon v-if="toggleEdit" dark>mdi-pencil</v-icon>
            <v-icon v-else dark>mdi-check</v-icon>
          </v-btn>
        </v-container>
      </v-main>
    </v-app>
  </div>

  <script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5325263613617d2b">[email protected]</a>/dist/vue.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="91e7e4f4e5f8f7e8d1a3bfe9">[email protected]</a>/dist/vuetify.js"></script>
  <script>
    new Vue({
      el: '#app',
      vuetify: new Vuetify(),
      data() {
        return {
          toggleEdit: false
        }
      }
    })
  </script>
</body>
</html>

Answer 6

Kindly review the snippet below:

* {
  --primary: goldenrod;
  --secondary: seagreen;
}

<html>
<head>
  <link href="https://cdn.jsdelivr.net/npm/@mdi/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5d3b3233291d6b7325">[email protected]</a>/css/materialdesignicons.min.css" rel="stylesheet">
  <link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="a5d3d0c0d1ccc3dce5978bdd">[email protected]</a>/dist/vuetify.min.css" rel="stylesheet">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, minimal-ui">
</head>
<body>
  <div id="app">
    <v-app>
      <v-main>
        <v-container>
          <v-btn class="mx-2"
               fab
               dark
               :color="toggleEdit ? 'var(--primary)': 'var(--secondary)'"
               @click.stop="toggleEdit = !toggleEdit">
            <v-icon v-if="toggleEdit" dark>mdi-pencil</v-icon>
            <v-icon v-else dark>mdi-check</v-icon>
          </v-btn>
        </v-container>
      </v-main>
    </v-app>
  </div>

  <script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5325263613617d2b">[email protected]</a>/dist/vue.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="91e7e4f4e5f8f7e8d1a3bfe9">[email protected]</a>/dist/vuetify.js"></script>
  <script>
    new Vue({
      el: '#app',
      vuetify: new Vuetify(),
      data() {
        return {
          toggleEdit: false
        }
      }
    })
  </script>
</body>
</html>

Utilizing Vuetify color variables in combination with ternary operators: A guide

Answer №1

Answer №2

Answer №3

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