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Change image icon when active tab changes
P粉448130258
P粉448130258 2023-08-29 18:55:29
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<p>Currently I have a v-tab that has four tabs with image icons and text. However, when the tab is active, the active tab icon should change to another image. what should I do? </p> <pre class="brush:php;toolbar:false;"><v-tabs v-model="tabs" class="tabs-menu"> <v-tab v-for="item in items" :key="item.id" > <img :src="item.icon" /> {{ item.name }} </v-tab> </v-tabs> data() { return { tabs: null, items: [ { icon: "/planeInactive.svg", name: "plane" }, { icon: "/hotelInactive.svg", name: "hotel" }, { icon: "/planehotelInactive.svg", name: "plane hotel" }, { icon: "/planeInactive.svg", name: "students" }, ], }; },</pre></p>
P粉448130258
P粉448130258

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P粉413704245
P粉4137042452023-08-30 09:33:09 1 floor
  1. Use some default values ​​for your v-model and 'tab' make the tab active by default. (I'm using the tab's name attribute in v-model, but you can use any unique attribute you want. )
  2. Use this v-model to check which tab is active and update the icon using conditional operators. (I used dummy icons, you can use yours. )

In this demo, you should see that when the tab is active, a colored flight icon will be displayed, otherwise a black flight icon will be displayed. 

<!DOCTYPE html>
<html>
  <head>
    <link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900" rel="stylesheet">
    <link href="https://cdn.jsdelivr.net/npm/@mdi/font@6.x/css/materialdesignicons.min.css" rel="stylesheet">
    <link href="https://cdn.jsdelivr.net/npm/vuetify@2.x/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-tabs
              v-model="tab"
              >
              <v-tab
                v-for="(item, index) in items"
                :key="index"
                :href="`#${item.name}`"
                class="home-tabs"
                active-class="activeTab"
                >
                <img :src="tab == item.name ? item.icon : inactive_icon" />
                {{ item.name }}
              </v-tab>
            </v-tabs>
          </v-container>
        </v-main>
      </v-app>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.x/dist/vue.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.js"></script>
    <script>
      new Vue({
        el: '#app',
        data () {
      return {
        tab: 'Flights',
        inactive_icon: 'https://www.svgrepo.com/show/413929/fly.svg',
        items: [
          { icon: "https://www.svgrepo.com/show/424654/airplane-flight-travel.svg", name: "Flights" },
          { icon: "https://www.svgrepo.com/show/424654/airplane-flight-travel.svg", name: "Hotels" },
          { icon: "https://www.svgrepo.com/show/424654/airplane-flight-travel.svg", name: "Flights + Hotels" },
          { icon: "https://www.svgrepo.com/show/424654/airplane-flight-travel.svg", name: "Students" },
        ],
      }
      },
        vuetify: new Vuetify(),
      })
    </script>
  </body>
</html>
</html>
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