How does one style a specific row on v-data-table? [Vuetify]

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06-10-2024

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Styling Specific Rows in Vuetify's v-data-table

Vuetify's v-data-table is a powerful tool for displaying data in a tabular format. But sometimes, you need to highlight specific rows to draw attention to important information. This article explores different methods for styling individual rows in a v-data-table, allowing you to customize its appearance and enhance user experience.

The Challenge: Highlighting Specific Rows

Imagine you're building an application that displays a list of users, and you want to visually distinguish users with administrative privileges. The v-data-table offers various customization options, but how do you target specific rows based on their data?

Solution: Leverage Data and CSS

Vuetify provides several ways to achieve this:

1. Conditional Styling with v-bind:class:

This method allows you to dynamically apply CSS classes based on row data.

<template>
  <v-data-table :headers="headers" :items="users">
    <template v-slot:item.role="{ item }">
      <span :class="{ 'admin-row': item.role === 'Admin' }">
        {{ item.role }}
      </span>
    </template>
  </v-data-table>
</template>

<style>
.admin-row {
  background-color: lightblue;
  font-weight: bold;
}
</style>

Explanation:

• We use the v-slot:item.role directive to access the "role" property of each item.
• :class="{ 'admin-row': item.role === 'Admin' }" dynamically adds the admin-row class to the "role" cell if the item's role is "Admin".
• The admin-row class in the CSS styles the row with a light blue background and bold text.

2. Custom Row Styles with item.props:

This method allows you to pass custom properties to each row, enabling more complex styling.

<template>
  <v-data-table :headers="headers" :items="users">
    <template v-slot:item="{ item }">
      <tr :style="{ backgroundColor: item.is_admin ? 'lightblue' : 'white' }">
        <td v-for="(value, key) in item" :key="key">{{ value }}</td>
      </tr>
    </template>
  </v-data-table>
</template>

<script>
export default {
  data() {
    return {
      users: [
        { name: 'John Doe', role: 'Admin', is_admin: true },
        { name: 'Jane Smith', role: 'User', is_admin: false },
      ],
    };
  },
};
</script>

Explanation:

• We use the :style directive to apply inline styles based on the is_admin property of each item.
• The v-for loop iterates over each row's properties and renders the corresponding cell data.
• This approach allows you to apply a wide range of CSS properties directly to the row element.

Additional Tips:

• You can use v-if or v-show directives to conditionally render different content within a row based on its data.
• For more advanced styling, consider using CSS frameworks like Tailwind CSS or Bootstrap.
• Always test your code to ensure that your styling functions correctly across different browsers and devices.

Conclusion

By understanding the different approaches to styling rows in Vuetify's v-data-table, you can enhance the user experience by drawing attention to specific data and making your tables more informative and visually appealing. Experiment with different methods to find the most effective solution for your application.