Open the file and update its content as shown below: // Now import the TreeviewModule to use its components across the Angular application. Then update the styles.scss file with bootstrap.scss file import "~bootstrap/scss/bootstrap.scss" Install the bootstrap package by hitting below the npm command. Include bootstrap.css in the index.html file’s section $ npm install ngx-treeview -saveĪs a dependency for adding style, we need to import the bootstrap style files. Next, install the ngx-treeview package by executing below npm command at the project root. # ? Which stylesheet format would you like to use? SCSSĮnter the project directory $ cd angular-ngx-treeview-app # ? Would you like to add Angular routing? No Run the following ng command to create a new Angular project $ ng new angular-ngx-treeview-app How to add Tree View with Checkboxes in Angular App? Let’s start implementation with an example application. So Lodash and Bootstraps are the required dependencies for using the ngx-treeview. The ngx-treeview package uses Lodash helper functions to optimize the logical operations on the tree view and Bootstrap to style the elements. The tree view list can also be shown as a drop-down with checkboxes to enable selection.Master and checkbox selection for all and each item in the tree view.Filter search on tree view items having parent-child relation. The ngx-treeview package not only creates a Tree view lists but also adds some required features: Today we’ll discuss how to easily create a Tree view structure list by using a cool package named ngx-treeview. This Angular post is compatible with Angular 4 upto latest versions, Angular 7, Angular 8, Angular 9, Angular 10, Angular 11, Angular 12 and Angular 13Ī list of dynamic information lists can have lots of parent-child items that can be easily represented in the form of tree view lists.Ī Tree view list can show the hierarchy of items with a spacial indented parent-child UI design. Moreover, we can also have a filter search filter in this tree view list. Tree View component in Angular app with checkboxes example In this Angular tutorial, we’re going to discuss how to create a dynamic Tree View list with parent-child relation having the expand/ collapse feature where each list can have checkboxes to check to uncheck its child items.
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