<template>
<div class="widget-container flex-box">
<span>Profile Picture</span>
<div
id="dropzone-external"
class="flex-box"
:class="[isDropZoneActive ? 'dx-theme-accent-as-border-color dropzone-active' : 'dx-theme-border-color']"
>
<img
id="dropzone-image"
:src="imageSource"
v-if="imageSource"
alt=""
>
<div
id="dropzone-text"
class="flex-box"
v-if="textVisible"
>
<span>Drag & Drop the desired file</span>
<span>…or click to browse for a file instead.</span>
</div>
<DxProgressBar
id="upload-progress"
:min="0"
:max="100"
width="30%"
:show-status="false"
:visible="progressVisible"
:value="progressValue"
/>
</div>
<DxFileUploader
id="file-uploader"
dialog-trigger="#dropzone-external"
drop-zone="#dropzone-external"
:multiple="false"
:allowed-file-extensions="allowedFileExtensions"
upload-mode="instantly"
upload-url="https://js.devexpress.com/Demos/NetCore/FileUploader/Upload"
:visible="false"
@drop-zone-enter="onDropZoneEnter"
@drop-zone-leave="onDropZoneLeave"
@uploaded="onUploaded"
@progress="onProgress"
@upload-started="onUploadStarted"
/>
</div>
</template>
<script>
import { DxFileUploader } from 'devextreme-vue/file-uploader';
import { DxProgressBar } from 'devextreme-vue/progress-bar';
export default {
components: {
DxFileUploader,
DxProgressBar
},
data() {
return {
isDropZoneActive: false,
imageSource: '',
textVisible: true,
progressVisible: false,
progressValue: 0,
allowedFileExtensions: ['.jpg', '.jpeg', '.gif', '.png']
};
},
methods: {
onDropZoneEnter(e) {
if(e.dropZoneElement.id === 'dropzone-external') {
this.isDropZoneActive = true;
}
},
onDropZoneLeave(e) {
if(e.dropZoneElement.id === 'dropzone-external') {
this.isDropZoneActive = false;
}
},
onUploaded(e) {
const file = e.file;
const fileReader = new FileReader();
fileReader.onload = () => {
this.isDropZoneActive = false;
this.imageSource = fileReader.result;
};
fileReader.readAsDataURL(file);
this.textVisible = false;
this.progressVisible = false;
this.progressValue = 0;
},
onProgress(e) {
this.progressValue = e.bytesLoaded / e.bytesTotal * 100;
},
onUploadStarted() {
this.imageSource = '';
this.progressVisible = true;
}
}
};
</script>
<style>
#dropzone-external {
width: 350px;
height: 350px;
background-color: rgba(183, 183, 183, 0.1);
border-width: 2px;
border-style: dashed;
padding: 10px;
}
#dropzone-external > * {
pointer-events: none;
}
#dropzone-external.dropzone-active {
border-style: solid;
}
.widget-container > span {
font-size: 22px;
font-weight: bold;
margin-bottom: 16px;
}
#dropzone-image {
max-width: 100%;
max-height: 100%;
}
#dropzone-text > span {
font-weight: 100;
opacity: 0.5;
}
#upload-progress {
display: flex;
margin-top: 10px;
}
.flex-box {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
</style>
import { createApp } from 'vue';
import App from './App.vue';
createApp(App).mount('#app');
<!DOCTYPE html>
<html>
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.6/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.6/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript">
System.import('./index.js');
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app">
</div>
</div>
</body>
</html>
System.config({
transpiler: 'plugin-babel',
meta: {
'*.vue': {
loader: 'vue-loader'
},
'devextreme/localization.js': {
"esModule": true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js',
'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js',
'mitt': 'npm:mitt/dist/mitt.umd.js',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.26.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.6',
'devextreme-vue': 'npm:devextreme-vue@20.2.6',
'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.10.3/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.18/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.24/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.13/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.13/hooks/dist/hooks.js',
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js'
},
packages: {
'devextreme-vue': {
main: 'index.js'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true
}
});