<template>
<div>
<DxTreeList
id="tree-list"
:data-source="tasksData"
:expanded-row-keys="[1, 2]"
:show-row-lines="true"
:show-borders="true"
:column-auto-width="true"
:word-wrap-enabled="true"
key-expr="Task_ID"
parent-id-expr="Task_Parent_ID"
has-items-expr="Has_Items"
@initNewRow="initNewRow($event)"
>
<DxRemoteOperations
:filtering="true"
:sorting="true"
:grouping="true"
/>
<DxSearchPanel :visible="true"/>
<DxHeaderFilter :visible="true"/>
<DxEditing
:allow-adding="true"
:allow-updating="true"
:allow-deleting="true"
mode="row"
/>
<DxColumn
:min-width="250"
data-field="Task_Subject"
>
<DxRequiredRule/>
</DxColumn>
<DxColumn
:min-width="120"
data-field="Task_Assigned_Employee_ID"
caption="Assigned"
>
<DxLookup
:data-source="employeesData"
value-expr="ID"
display-expr="Name"
/>
<DxRequiredRule/>
</DxColumn>
<DxColumn
:min-width="120"
data-field="Task_Status"
caption="Status"
>
<DxLookup :data-source="statusesData"/>
</DxColumn>
<DxColumn
data-field="Task_Start_Date"
caption="Start Date"
data-type="date"
/>
<DxColumn
data-field="Task_Due_Date"
caption="Due Date"
data-type="date"
/>
</DxTreeList>
</div>
</template>
<script>
import {
DxTreeList,
DxRemoteOperations,
DxColumn,
DxSearchPanel,
DxHeaderFilter,
DxEditing,
DxRequiredRule,
DxLookup
} from 'devextreme-vue/tree-list';
import AspNetData from 'devextreme-aspnet-data-nojquery';
const url = 'https://js.devexpress.com/Demos/Mvc/api/TreeListTasks';
export default {
components: {
DxTreeList,
DxRemoteOperations,
DxColumn,
DxSearchPanel,
DxHeaderFilter,
DxEditing,
DxRequiredRule,
DxLookup
},
data() {
return {
tasksData: AspNetData.createStore({
key: 'Task_ID',
loadUrl: `${url}/Tasks`,
insertUrl: `${url}/InsertTask`,
updateUrl: `${url}/UpdateTask`,
deleteUrl: `${url}/DeleteTask`,
onBeforeSend: function(method, ajaxOptions) {
ajaxOptions.xhrFields = { withCredentials: true };
}
}),
employeesData: AspNetData.createStore({
key: 'ID',
loadUrl: `${url}/TaskEmployees`
}),
statusesData: [
'Not Started',
'Need Assistance',
'In Progress',
'Deferred',
'Completed'
]
};
},
methods: {
initNewRow(e) {
e.data.Task_Status = 'Not Started';
e.data.Task_Start_Date = new Date();
e.data.Task_Due_Date = new Date();
}
}
};
</script>
<style scoped>
#tree-list {
max-height: 640px;
}
</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
},
'devextreme-aspnet-data-nojquery': {
'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',
'devextreme-aspnet-data-nojquery': 'npm:devextreme-aspnet-data-nojquery@2.7.1/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
}
});