quasar/docs/src/examples/QRange/Null.vue at dev · hipertracker/quasar · GitHub

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<template>
  <div class="q-pa-md">
    <q-badge color="primary" class="q-mb-lg">
      Model: {{ getNullLabel(bothNull.min) }} to {{ getNullLabel(bothNull.max) }} (0 to 50, step 1)
    </q-badge>

    <q-range
      v-model="bothNull"
      color="primary"
      :min="0"
      :max="50"
    />

    <q-badge color="secondary" class="q-mb-lg">
      Model: {{ getNullLabel(minNull.min) }} to {{ getNullLabel(minNull.max) }} (0 to 50, step 1)
    </q-badge>

    <q-range
      v-model="minNull"
      color="secondary"
      :min="0"
      :max="50"
    />

    <q-badge color="accent" class="q-mb-lg">
      Model: {{ getNullLabel(maxNull.min) }} to {{ getNullLabel(maxNull.max) }} (0 to 50, step 1)
    </q-badge>

    <q-range
      v-model="maxNull"
      color="accent"
      :min="0"
      :max="50"
    />
  </div>
</template>

<script>
import { ref } from 'vue'

export default {
  setup () {
    return {
      bothNull: ref({
        min: null,
        max: null
      }),

      minNull: ref({
        min: null,
        max: 40
      }),

      maxNull: ref({
        min: 20,
        max: null
      }),

      getNullLabel (val) {
        return val === null ? 'null' : val
      }
    }
  }
}
</script>