The Angular 7 TreeView component allows you to represent hierarchical data in a tree structure. It has great performance combined with advanced features like load on demand, checkbox support, multiple selection, tree navigation, drag and drop, tree node editing, and template support.
Make sure that you have the following compatible version of TypeScript and Angular in your machine before starting to work on this project.
Angular 7 TreeView Introduction
The Angular 7 TreeView used in this project is created from the Syncfusion `ej2-angular-navigations` package. You can simply define it as <ejs-treeview> within the template.
You can get started with the treeview component in Angular 7 platform using the following simple steps.
This command will create the application and download its dependencies.
To import the treeview component in the app.module.ts, include it in the declarations.
To initialize the treeview component in home.component html file, use the following codes.
Then bind the data in home.component typescript file.
After the data binding has been done, you can use the following command to see the output in a browser.
TreeView has a built-in option for check boxes that allows users to select more than one item.
The node editing is also an often-used feature that allows users to rename the tree nodes dynamically through UI interaction.
Drag and drop
Another important feature for treeview is node drag and drop. This allows users to reorder the nodes through UI interaction.
You can enable the drag-and-drop option by setting the allowDragAndDrop property.
Also, you can download and run the sample from this GitHub Repository. For more information about TreeView functionalities, refer below help documents and samples.
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