Angular PrimeNG TreeTable Styling Certain Rows and Columns
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 Styling Certain Rows and Columns in Angular PrimeNG.
Angular PrimeNG TreeTable Styling Certain Rows and Columns is used to style the table cells and rows based on the conditions. This makes the TreeTable component more Interactive and user-friendly.
Syntax:
// In app.component.ts .classname{ // Styles } // In app.component.html <tr [ngClass]="{'className': condition}">
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 demonstrating the use of the Angular PrimeNG TreeTable Styling Certain Rows and Columns.
app.component.html
< div style = "height: calc(100vh - 149px)" > < h2 style = "color: green" >w3wiki</ h2 > < h4 >Angular PrimeNG TreeTable Styling Certain Rows and Columns</ h4 > < p-treeTable [columns]="cols" [value]="tableData" [reorderableColumns]="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" ttReorderableColumn> {{ col.header }} </ th > </ tr > </ ng-template > < ng-template pTemplate = "body" let-rowNode let-rowData = "rowData" let-columns = "columns" > < tr [ngClass]=" { row: rowData.firstname == 'David' || rowData.firstname == 'Max' }"> < 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 { TreeNode } from 'primeng/api' ; @Component({ selector: 'app-root' , templateUrl: './app.component.html' , styles: [ ` .row { background-color: red !important; color: #ffffff !important; } `, ], }) export class AppComponent { tableData: TreeNode[] = []; cols: any[] = []; constructor() { } 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 { 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: [], }) export class AppModule { } |
Output:
Example 2: Below is another example demonstrating the use of the Angular PrimeNG TreeTable Styling Certain Rows and Columns.
app.component.html
< div style = "height: calc(100vh - 149px)" > < h2 style = "color: green" >w3wiki</ h2 > < h4 >Angular PrimeNG TreeTable Styling Certain Rows and Columns</ h4 > < p-treeTable [columns]="cols" [value]="tableData" [reorderableColumns]="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" ttReorderableColumn> {{ col.header }} </ th > </ tr > </ ng-template > < ng-template pTemplate = "body" let-rowNode let-rowData = "rowData" let-columns = "columns" > < tr [ngClass]="{ row: rowData.firstname == 'David' }"> < td [ngClass]="{ cell: col.field === 'firstname' && rowData.firstname == 'David' }" * 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 { TreeNode } from 'primeng/api' ; @Component({ selector: 'app-root' , templateUrl: './app.component.html' , styles: [ ` .row { background-color: blue !important; color: #ffffff !important; } .cell { background-color: black !important; } `, ], }) export class AppComponent { tableData: TreeNode[] = []; cols: any[] = []; constructor() { } 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 { 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: [], }) export class AppModule { } |
Output:
Reference: https://primefaces.org/primeng/treetable
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