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How to Create A Multi-Select With Vuetify?

5 minutes read

To create a multi-select with Vuetify, you can use the v-select component and set the multiple prop to true. This will allow users to select multiple options from a list. You can also use the item-text and item-value props to customize the display and value of each option in the select menu. Additionally, you can use the v-model directive to bind the selected values to a data property in your Vue component. This allows you to access and utilize the selected values in your application logic.


How to disable certain options in a multi-select with Vuetify?

To disable certain options in a multi-select using Vuetify, you can use the item-disabled attribute on the <v-select> component. Here's an example of how to disable options based on a condition:

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<template>
  <v-select
    v-model="selectedOptions"
    :items="options"
    item-text="name"
    item-value="id"
    multiple
    label="Select options"
    outlined
    dense
    v-on:item-disabled="isOptionDisabled"
  ></v-select>
</template>

<script>
export default {
  data() {
    return {
      selectedOptions: [],
      options: [
        { id: 1, name: 'Option 1' },
        { id: 2, name: 'Option 2' },
        { id: 3, name: 'Option 3' },
      ]
    };
  },
  methods: {
    isOptionDisabled(item) {
      // Disable Option 2
      return item.id === 2;
    }
  }
};
</script>


In this example, the isOptionDisabled method is used to conditionally disable Option 2 based on its id. This method is then bound to the item-disabled event on the <v-select> component to disable the option whenever it is rendered. You can customize the isOptionDisabled method to suit your specific conditions for disabling options.


How to set a default value for a multi-select in Vuetify?

To set a default value for a multi-select in Vuetify, you can use the v-model directive to bind the selected values to a data property in your Vue component. You can then set the default selected values in the data property.


Here's an example of how you can set a default value for a multi-select in Vuetify:

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<template>
  <v-select
    v-model="selectedValues"
    :items="items"
    multiple
    label="Select items"
    dense
  ></v-select>
</template>

<script>
export default {
  data() {
    return {
      items: ['Item 1', 'Item 2', 'Item 3', 'Item 4'],
      selectedValues: ['Item 2', 'Item 3'] // Set default values here
    };
  }
};
</script>


In this example, selectedValues is initially set to ['Item 2', 'Item 3'], which are the default selected values for the multi-select. When the component is rendered, the v-select element will show these items as pre-selected.


You can customize the default selected values based on your application's needs by setting selectedValues to the desired default selected items in the data property.


How to style selected items in a multi-select with Vuetify?

To style selected items in a multi-select with Vuetify, you can use the "item" slot provided by Vuetify. Here is an example code snippet to achieve this:

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<template>
  <v-select
    v-model="selectedItems"
    :items="items"
    multiple
    chips
    v-slot:selection="{ item }"
    :class="{ 'selected-item': selectedItems.includes(item) }"
  ></v-select>
</template>

<script>
export default {
  data() {
    return {
      selectedItems: [],
      items: ['Item 1', 'Item 2', 'Item 3']
    };
  }
};
</script>

<style scoped>
.selected-item {
  background-color: lightblue;
  color: white;
}
</style>


In this code snippet:

  1. The v-select component is used with the multiple prop to allow multiple item selections.
  2. The v-slot:selection directive is used to access the selected item in the slot.
  3. The :class="{ 'selected-item': selectedItems.includes(item) }" binding is used to add the selected-item class to the selected items.
  4. Finally, the .selected-item class in the style block is used to style the selected items as desired.


You can customize the .selected-item class in the style block to apply your preferred styling to the selected items in the multi-select.


What is the recommended approach for structuring data for a multi-select in Vuetify?

One recommended approach for structuring data for a multi-select in Vuetify is to use an array to store the selected items. Each item in the array can be an object that contains both the value and display text for the option.


For example, you can create an array of objects like this:

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data() {
  return {
    selectedItems: [
      { value: '1', text: 'Option 1' },
      { value: '2', text: 'Option 2' },
      { value: '3', text: 'Option 3' }
    ]
  };
}


You can then use this array in the v-model directive of the multi-select component to bind the selected items:

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<v-select
  v-model="selectedItems"
  :items="items"
  label="Select items"
  multiple
></v-select>


In this example, items is an array of objects that contains all the available options. The selectedItems array is used to keep track of the selected options.


Using this approach, you can easily add or remove items from the selectedItems array to update the selected options in the multi-select component.


What is the benefit of using a multi-select over individual select components?

One benefit of using a multi-select component over individual select components is that it allows users to select multiple options at once, making it faster and more efficient for them to make their selections. This can be particularly beneficial when dealing with situations where users need to choose from a large number of options or when they need to select multiple options to complete a task. Additionally, using a multi-select component can help save screen space and reduce clutter compared to having multiple individual select components on the screen. This can lead to a better user experience and make the interface more user-friendly.


How to add options to a multi-select in Vuetify?

To add options to a multi-select in Vuetify, you can use the v-select component with the items prop set to an array of objects that represent the options. Each object should have a text property for the display value and a value property for the actual value.


Here is an example of how to add options to a multi-select in Vuetify:

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<template>
  <v-select
    v-model="selectedOptions"
    :items="options"
    label="Select options"
    multiple
    chips
  ></v-select>
</template>

<script>
export default {
  data() {
    return {
      selectedOptions: [],
      options: [
        { text: 'Option 1', value: 'option1' },
        { text: 'Option 2', value: 'option2' },
        { text: 'Option 3', value: 'option3' },
        { text: 'Option 4', value: 'option4' },
      ],
    };
  },
};
</script>


In this example, the options array contains four objects representing the options for the multi-select component. The v-model directive is used to bind the selected options to the selectedOptions variable. The multiple prop is set to allow for selecting multiple options, and the chips prop is set to display the selected options as chips in the component.

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