Open thumbnail in Vue PDF Viewer control

23 Oct 20256 minutes to read

Open the thumbnail pane programmatically using the openThumbnailPane() method.

The following steps are used to open the thumbnail of the PDF Document.

Step 1: Follow the steps provided in the link to create simple PDF Viewer sample in Vue.

Step 2: Add the following code snippet to open the thumbnail in the resizing event of splitter.

<template>
  <div id="app">
    <button v-on:click="onSplitterResize">Open ThumbnailPanel</button>
    <ejs-pdfviewer id="pdfViewer" ref="pdfviewer" :documentPath="documentPath">
    </ejs-pdfviewer>
  </div>
</template>

<script setup>

import {
  PdfViewerComponent as EjsPdfviewer, Toolbar, Magnification, Navigation,
  LinkAnnotation, BookmarkView, Annotation, ThumbnailView,
  Print, TextSelection, TextSearch, FormFields, FormDesigner
} from '@syncfusion/ej2-vue-pdfviewer';
import { provide, ref } from 'vue';

const pdfviewer = ref(null);
const documentPath = "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf";

provide('PdfViewer', [Toolbar, Magnification, Navigation, LinkAnnotation, BookmarkView, Annotation,
  ThumbnailView, Print, TextSelection, TextSearch, FormFields, FormDesigner])

const onSplitterResize = function () {
  const viewer = pdfviewer.value.ej2Instances;
  viewer.updateViewerContainer();
  viewer.thumbnailViewModule.openThumbnailPane();
  debugger;
}
</script>
<template>
  <div id="app">
    <button v-on:click="onSplitterResize">Open ThumbnailPanel</button>
    <ejs-pdfviewer id="pdfViewer" ref="pdfviewer" :documentPath="documentPath">
    </ejs-pdfviewer>
  </div>
</template>

<script>

import {
  PdfViewerComponent, Toolbar, Magnification, Navigation,
  LinkAnnotation, BookmarkView, Annotation, ThumbnailView,
  Print, TextSelection, TextSearch, FormFields, FormDesigner
} from '@syncfusion/ej2-vue-pdfviewer';

export default {
  name: "App",
  components: {
    "ejs-pdfviewer": PdfViewerComponent
  },
  data() {
    return {
      documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
    };
  },
  provide: {
    PdfViewer: [Toolbar, Magnification, Navigation, LinkAnnotation, BookmarkView, Annotation,
      ThumbnailView, Print, TextSelection, TextSearch, FormFields, FormDesigner]
  },
  methods: {
    onSplitterResize: function () {
      const viewer = this.$refs.pdfviewer.ej2Instances;
      viewer.updateViewerContainer();
      viewer.thumbnailViewModule.openThumbnailPane();
      debugger;
    },
  }
}
</script>
<template>
  <div id="app">
    <button v-on:click="onSplitterResize">Open ThumbnailPanel</button>
    <ejs-pdfviewer id="pdfViewer" ref="pdfviewer" :documentPath="documentPath" :serviceUrl="serviceUrl">
    </ejs-pdfviewer>
  </div>
</template>

<script setup>

import {
  PdfViewerComponent as EjsPdfviewer, Toolbar, Magnification, Navigation,
  LinkAnnotation, BookmarkView, Annotation, ThumbnailView,
  Print, TextSelection, TextSearch, FormFields, FormDesigner
} from '@syncfusion/ej2-vue-pdfviewer';
import { provide, ref } from 'vue';

const pdfviewer = ref(null);
const serviceUrl = "https://document.syncfusion.com/web-services/pdf-viewer/api/pdfviewer";
const documentPath = "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf";

provide('PdfViewer', [Toolbar, Magnification, Navigation, LinkAnnotation, BookmarkView, Annotation,
  ThumbnailView, Print, TextSelection, TextSearch, FormFields, FormDesigner])

const onSplitterResize = function () {
  const viewer = pdfviewer.value.ej2Instances;
  viewer.updateViewerContainer();
  viewer.thumbnailViewModule.openThumbnailPane();
  debugger;
}
</script>
<template>
  <div id="app">
    <button v-on:click="onSplitterResize">Open ThumbnailPanel</button>
    <ejs-pdfviewer id="pdfViewer" ref="pdfviewer" :documentPath="documentPath" :serviceUrl="serviceUrl">
    </ejs-pdfviewer>
  </div>
</template>

<script>

import {
  PdfViewerComponent, Toolbar, Magnification, Navigation,
  LinkAnnotation, BookmarkView, Annotation, ThumbnailView,
  Print, TextSelection, TextSearch, FormFields, FormDesigner
} from '@syncfusion/ej2-vue-pdfviewer';

export default {
  name: "App",
  components: {
    "ejs-pdfviewer": PdfViewerComponent
  },
  data() {
    return {
      serviceUrl: "https://document.syncfusion.com/web-services/pdf-viewer/api/pdfviewer",
      documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf"
    };
  },
  provide: {
    PdfViewer: [Toolbar, Magnification, Navigation, LinkAnnotation, BookmarkView, Annotation,
      ThumbnailView, Print, TextSelection, TextSearch, FormFields, FormDesigner]
  },
  methods: {
    onSplitterResize: function () {
      const viewer = this.$refs.pdfviewer.ej2Instances;
      viewer.updateViewerContainer();
      viewer.thumbnailViewModule.openThumbnailPane();
      debugger;
    },
  }
}
</script>

Find the Sample how to open thumbnail