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Loading Animation in Vue TreeGrid component

08 Feb 2023 / 2 minutes to read

The Tree Grid displays a loading indicator while the data is being fetched and bound to the tree grid during initial rendering, refreshing, and after performing any tree grid actions like sorting, filtering, and more.

The tree grid supports two indicator types, which can be enabled by setting the loadingIndicator.indicatorType property to Spinner or Shimmer. The default value of the indicator type is Spinner.

In the following sample, the Shimmer indicator is displayed while the tree grid is loading and refreshing when using the remote data.

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app.vue
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<template>
<div id="app">
        <ejs-treegrid :dataSource="data" idMapping='TaskID' parentIdMapping='ParentItem' hasChildMapping='isParent' :treeColumnIndex='1' :allowPaging='true' :allowSorting='true' :pageSettings='pageSettings' :loadingIndicator='loadingIndicator'>
            <e-columns>
                <e-column field='TaskID' headerText='Task ID' width=120 textAlign='Right'></e-column>
                <e-column field='TaskName' headerText='Task Name' width=240 textAlign='Left'></e-column>
                <e-column field='StartDate' headerText='Start Date' width=140 format="yMd" textAlign='Right' type='date'></e-column>
                <e-column field='Duration' headerText='Duration' width=130 textAlign='Right'></e-column>
                <e-column field='Progress' headerText='Progress' width=130></e-column>
                </e-columns>
        </ejs-treegrid>
</div>
</template>
<script>
import Vue from "vue";
import { TreeGridPlugin, Page, Sort } from "@syncfusion/ej2-vue-treegrid";
import { DataManager, WebApiAdaptor } from "@syncfusion/ej2-data";

Vue.use(TreeGridPlugin);

export default {
   data() {
    let SERVICE_URI ="https://ej2services.syncfusion.com/production/web-services/api/SelfReferenceData";
    return {
      data: new DataManager({
        url: SERVICE_URI,
        adaptor: new WebApiAdaptor(),
        crossDomain: true
      }),
      pageSettings: { pageCount: 3 },
      loadingIndicator: { indicatorType: 'Shimmer' },
    };
  }
  provide: {
      treegrid: [ Page, Sort ]
    },
}
</script>