Angular PrimeNG TreeTable Column Resize
Angular PrimeNG is an open-source framework with a rich set of native Angular UI components that are used for great styling and this framework is used to make responsive websites with very much ease. This article will show us how to use TreeTable Column Resize in Angular PrimeNG.
Angular PrimeNG TreeTable Column Resize enables resizing of columns in the TreeTable component. Columns can be resized and their width can be easily changed using templating which makes the table More Interactive and user-friendly.
Syntax:
<p-treeTable [columns]="cols" [value]="tableData" [resizableColumns]="true"> <ng-template pTemplate="colgroup" let-columns> ... </ng-template> <ng-template pTemplate="header" let-columns> ... </ng-template> <ng-template pTemplate="body" let-rowNode let-rowData="rowData" let-columns="columns"> ... </ng-template> </p-treeTable>
Creating Angular application & Module Installation:
Step 1: Create an Angular application using the following command.
ng new appname
Step 2: After creating your project folder i.e. appname, move to it using the following command.
cd appname
Step 3: Install PrimeNG in your given directory.
npm install primeng --save npm install primeicons --save
Project Structure: It will look like the following:
Example 1: Below is a simple example that demonstrates the use of the Angular PrimeNG TreeTable Column Resize. In this example, we are setting the resizbleColumns property to “true” to resize the columns.
app.component.html
< div style = "height: calc(100vh - 149px)" > < h2 style = "color: green" >w3wiki</ h2 > < h4 >Angular PrimeNG TreeTable Column Resize</ h4 > < p-treeTable [columns]="cols" [value]="tableData" [resizableColumns]="true"> < ng-template pTemplate = "colgroup" let-columns> < colgroup > < col * ngFor = "let col of columns" /> </ colgroup > </ ng-template > < ng-template pTemplate = "header" let-columns> < tr > < th * ngFor = "let col of columns" ttResizableColumn> {{ col.header }} </ th > </ tr > </ ng-template > < ng-template pTemplate = "body" let-rowNode let-rowData = "rowData" let-columns = "columns" > < tr > < td * ngFor = "let col of columns; let i = index" > < p-treeTableToggler [rowNode]="rowNode" * ngIf = "i == 0" > </ p-treeTableToggler > {{ rowData[col.field] }} </ td > </ tr > </ ng-template > </ p-treeTable > </ div > |
app.component.ts
import { Component, OnInit } from '@angular/core' ; import { NodeService } from './nodeservice' ; import { TreeNode } from 'primeng/api' ; @Component({ selector: 'app-root' , templateUrl: './app.component.html' , }) export class AppComponent { tableData: TreeNode[] = []; cols: any[] = []; constructor(private nodeService: NodeService) { } ngOnInit() { this .cols = [ { field: 'firstname' , header: 'First Name' }, { field: 'lastname' , header: 'Last Name' }, { field: 'age' , header: 'Age' }, ]; this .tableData = [ { data: { firstname: 'David' , lastname: 'ace' , age: '40' , }, children: [ { data: { firstname: 'Nathan' , lastname: 'ace' , age: '16' , }, children: [ { data: { firstname: 'Abe' , lastname: 'ace' , age: '12' , }, }, { data: { firstname: 'Ksi' , lastname: 'ace' , age: '12' , }, }, ], }, { data: { firstname: 'Shane' , lastname: 'ace' , age: '14' , }, }, ], }, { data: { firstname: 'Warner' , lastname: 'ace' , age: '55' , }, children: [ { data: { lastname: 'ace' , firstname: 'Michelle' , age: '20' , }, }, { data: { firstname: 'Charlie' , lastname: 'ace' , age: '24' , }, }, ], }, { data: { firstname: 'Max' , lastname: 'ace' , age: '55' , }, children: [ { data: { firstname: 'Michelle' , lastname: 'ace' , age: '20' , }, }, { data: { firstname: 'Charlie' , lastname: 'ace' , age: '24' , }, }, ], }, { data: { firstname: 'Willy' , lastname: 'ace' , age: '55' , }, children: [ { data: { firstname: 'Michelle' , lastname: 'ace' , age: '20' , }, }, { data: { firstname: 'Charlie' , lastname: 'ace' , age: '24' , }, }, ], }, { data: { firstname: 'Miley' , lastname: 'ace' , age: '55' , }, children: [ { data: { firstname: 'Michelle' , lastname: 'ace' , age: '20' , }, }, { data: { firstname: 'Charlie' , lastname: 'ace' , age: '24' , }, }, ], }, { data: { firstname: 'Sam' , lastname: 'ace' , age: '55' , }, children: [ { data: { firstname: 'Michelle' , lastname: 'ace' , age: '20' , }, }, { data: { firstname: 'Charlie' , lastname: 'ace' , age: '24' , }, }, ], }, { data: { firstname: 'James' , lastname: 'ace' , age: '55' , }, children: [ { data: { firstname: 'Michelle' , lastname: 'ace' , age: '20' , }, }, { data: { lastname: 'ace' , firstname: 'Charlie' , age: '24' , }, }, ], }, ]; } } |
app.module.ts
import { NgModule } from '@angular/core' ; import { BrowserModule } from '@angular/platform-browser' ; import { FormsModule } from '@angular/forms' ; import { HttpClientModule } from '@angular/common/http' ; import { BrowserAnimationsModule } from '@angular/platform-browser/animations' ; import { AppComponent } from './app.component' ; import { NodeService } from './nodeservice' ; import { TreeTableModule } from 'primeng/treetable' ; import { ButtonModule } from 'primeng/button' ; import { InputTextModule } from 'primeng/inputtext' ; @NgModule({ imports: [ BrowserModule, BrowserAnimationsModule, TreeTableModule, ButtonModule, InputTextModule, HttpClientModule, FormsModule, ], declarations: [AppComponent], bootstrap: [AppComponent], providers: [NodeService], }) export class AppModule { } |
Output:
Example 2: Below is another example that demonstrates the use of the Angular PrimeNG TreeTable Column Resize. In this example, we are applying Column Resize to the scrollable TreeTable component.
app.component.html
< h2 style = "color: green" >w3wiki</ h2 > < h4 >Angular PrimeNG TreeTable Column Resize</ h4 > < p-treeTable [value]="tableData" [columns]="cols" [scrollable]="true" scrollHeight = "200px" [resizableColumns]="true"> < ng-template pTemplate = "colgroup" let-columns> < colgroup > < col * ngFor = "let col of columns" /> </ colgroup > </ ng-template > < ng-template pTemplate = "header" let-columns> < tr > < th * ngFor = "let col of columns" ttResizableColumn> {{ col.header }} </ th > </ tr > </ ng-template > < ng-template pTemplate = "body" let-rowNode let-rowData = "rowData" let-columns = "columns" > < tr > < td * ngFor = "let col of columns; let i = index" > < p-treeTableToggler [rowNode]="rowNode" * ngIf = "i == 0" > </ p-treeTableToggler > {{ rowData[col.field] }} </ td > </ tr > </ ng-template > </ p-treeTable > |
app.component.ts
import { Component } from '@angular/core' ; import { NodeService } from './nodeservice' ; import { TreeNode } from 'primeng/api' ; @Component({ selector: 'app-root' , templateUrl: './app.component.html' , }) export class AppComponent { tableData: TreeNode[] = []; cols: any[] = []; constructor(private nodeService: NodeService) { } ngOnInit() { this .cols = [ { field: 'name' , header: 'Name' , width: '50%' }, { field: 'age' , header: 'Age' , width: '30%' }, ]; this .tableData = [ { data: { name: 'David' , age: '40' , }, children: [ { data: { name: 'Nathan' , age: '16' , }, }, { data: { name: 'Shane' , age: '14' , }, }, ], }, { data: { name: 'Warner' , age: '55' , }, children: [ { data: { name: 'Michelle' , age: '20' , }, }, { data: { name: 'Charlie' , age: '24' , }, }, ], }, { data: { name: 'Max' , age: '55' , }, children: [ { data: { name: 'Michelle' , age: '20' , }, }, { data: { name: 'Charlie' , age: '24' , }, }, ], }, { data: { name: 'Willy' , age: '55' , }, children: [ { data: { name: 'Michelle' , age: '20' , }, }, { data: { name: 'Charlie' , age: '24' , }, }, ], }, { data: { name: 'Miley' , age: '55' , }, children: [ { data: { name: 'Michelle' , age: '20' , }, }, { data: { name: 'Charlie' , age: '24' , }, }, ], }, { data: { name: 'Sam' , age: '55' , }, children: [ { data: { name: 'Michelle' , age: '20' , }, }, { data: { name: 'Charlie' , age: '24' , }, }, ], }, { data: { name: 'James' , age: '55' , }, children: [ { data: { name: 'Michelle' , age: '20' , }, }, { data: { name: 'Charlie' , age: '24' , }, }, ], }, ]; } } |
app.module.ts
import { NgModule } from '@angular/core' ; import { BrowserModule } from '@angular/platform-browser' ; import { FormsModule } from '@angular/forms' ; import { HttpClientModule } from '@angular/common/http' ; import { BrowserAnimationsModule } from '@angular/platform-browser/animations' ; import { AppComponent } from './app.component' ; import { NodeService } from './nodeservice' ; import { TreeTableModule } from 'primeng/treetable' ; @NgModule({ imports: [ BrowserModule, BrowserAnimationsModule, TreeTableModule, HttpClientModule, FormsModule, ], declarations: [AppComponent], bootstrap: [AppComponent], providers: [NodeService], }) export class AppModule { } |
Output:
Reference: https://primefaces.org/primeng/treetable
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