<dx-tree-list
id="treeList"
[dataSource]="dataSource"
parentIdExpr="Task_Parent_ID"
wordWrapEnabled="true"
showBorders="true"
focusedRowEnabled="true"
hasItemsExpr="Has_Items"
[(focusedRowKey)]="focusedRowKey"
(onFocusedRowChanged)="onFocusedRowChanged($event)">
<dxo-remote-operations [filtering]="true" [sorting]="true" [grouping]="true"></dxo-remote-operations>
<dxi-column dataField="Task_ID" width="100" alignment="left"></dxi-column>
<dxi-column dataField="Task_Assigned_Employee_ID" caption="Assigned" minWidth="120">
<dxo-lookup [dataSource]="taskEmployees" valueExpr="ID" displayExpr="Name"></dxo-lookup>
</dxi-column>
<dxi-column dataField="Task_Status" caption="Status" width=160></dxi-column>
<dxi-column dataField="Task_Start_Date" caption="Start Data" dataType="date" width=160></dxi-column>
<dxi-column dataField="Task_Due_Date" caption="Due Data" dataType="date" width=160></dxi-column>
</dx-tree-list>
<div class="task-info">
<div class="info">
<div class="task-subject">{{taskSubject}}</div>
<span class="task-assigned">{{taskAssigned}}</span>
<span class="start-date">{{startDate}}</span>
</div>
<div class="progress">
<span class="task-status">{{taskStatus}}</span>
<span class="task-progress">{{taskProgress}}</span>
</div>
</div>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<span>Focused row key</span>
<dx-number-box
id="taskId"
min="1"
max="182"
step="0"
[(value)]="focusedRowKey">
</dx-number-box>
</div>
</div>
import { NgModule, Component, ViewChild, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxTreeListModule, DxNumberBoxModule } from 'devextreme-angular';
import * as AspNetData from 'devextreme-aspnet-data-nojquery';
if(!/localhost/.test(document.location.host)) {
enableProdMode();
}
const url = "https://js.devexpress.com/Demos/Mvc/api/TreeListTasks";
@Component({
selector: 'demo-app',
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css'],
preserveWhitespaces: true
})
export class AppComponent {
columns: any;
dataSource: any;
taskEmployees: any;
taskSubject: string;
taskAssigned: string;
startDate: string;
taskStatus: string;
taskProgress: string;
focusedRowKey: number;
constructor() {
this.focusedRowKey = 4;
this.dataSource = AspNetData.createStore({
key: "Task_ID",
loadUrl: url + "/Tasks",
onBeforeSend: function(_, ajaxOptions) {
ajaxOptions.xhrFields = { withCredentials: true };
}
});
this.taskEmployees = AspNetData.createStore({
key: "ID",
loadMode: "raw",
loadUrl: url + "/TaskEmployees"
});
}
onFocusedRowChanged(e) {
var rowData = e.row && e.row.data,
cellValue,
assigned;
if(rowData) {
cellValue = e.component.cellValue(e.row.rowIndex, "Assigned");
this.taskEmployees.byKey(cellValue).done((item) => {
assigned = item.Name;
});
this.taskSubject = rowData.Task_Subject;
this.taskAssigned = assigned;
this.startDate = new Date(rowData.Task_Start_Date).toLocaleDateString();
this.taskStatus = rowData.Task_Status;
this.taskProgress = rowData.Task_Completion ? rowData.Task_Completion + "%" : "";
}
}
}
@NgModule({
imports: [
BrowserModule,
DxTreeListModule,
DxNumberBoxModule
],
declarations: [AppComponent],
bootstrap: [AppComponent],
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
#treeList {
max-height: 400px;
}
.task-info {
font-family: Segoe UI;
min-height: 100px;
display: flex;
flex-wrap: nowrap;
border: 2px solid rgba(0, 0, 0, 0.1);
padding: 16px;
box-sizing: border-box;
align-items: center;
justify-content: space-between;
}
.info {
display: flex;
flex-direction: column;
}
.task-subject {
line-height: 29px;
font-size: 18px;
font-weight: bold;
}
.progress {
display: flex;
flex-direction: column;
white-space: pre;
min-width: 105px;
}
.task-progress {
line-height: 42px;
font-size: 40px;
font-weight: bold;
}
.options {
margin-top: 20px;
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
position: relative;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
margin-top: 10px;
}
.option > .dx-numberbox {
width: 200px;
display: inline-block;
vertical-align: middle;
}
.option > span {
margin-right: 10px;
}
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
},
'devextreme-aspnet-data-nojquery': {
"esModule": true
},
'devextreme/localization.js': {
"esModule": true
}
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.5.3/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib@2.1.0/tslib.js',
'rxjs': 'npm:rxjs@6.4.0',
'devextreme-aspnet-data-nojquery': 'npm:devextreme-aspnet-data-nojquery@2.7.1/index.js',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.5',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.11',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.18',
'devextreme-angular': 'npm:devextreme-angular@20.2.5',
'preact': 'npm:preact@10.5.11/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.11/hooks/dist/hooks.js'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
packageConfigPaths: [
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular/*/package.json",
"npm:devextreme-angular/ui/*/package.json",
"npm:devextreme-angular/package.json",
"npm:devexpress-diagram/package.json",
"npm:devexpress-gantt/package.json",
]
});
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<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/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import('app').catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>