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ANGULARJS TREEVIEW CONTROL HOW TO
ANGULARJS TREEVIEW CONTROL INSTALL

Run the following ng command to create a new Angular project $ ng new angular-ngx-treeview-app

ANGULARJS TREEVIEW CONTROL HOW TO

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. This tree control is based in part on the angular.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.

tree-selected - placed on the div around the label.

We use those classes to place the icons for the tree

tree-branch-head, tree-leaf-head - are placed on the 'i' elements.

tree-expanded, tree-collapsed, tree-leaf - are placed on the 'ul' element.

The following CSS classes are used in the built-in styles for the tree-control.Īdditional classes can be added using the options.injectClasses member (see above) label - expanded angular template is in the treecontrol element. The angular-tree-control renders to the following DOM structure In order to render a template that takes a value X from the parent scope of the tree and value Y from the current node, use the following template The current node is injected into the scope used to render the label as the node member (unlike ng-repeat, weĭo not allow to name the current node item in the transcluded scope). The Angular Tree control uses a similar paradigm to ng-repeat in that it allows using the current node as well as values from

menu-id : the id of an ul element which will be displayed after a right-click.

filter-comparator : value for ng-repeat to use for comparing nodes with the filter expression.

filter-expression : value for ng-repeat to use for filtering the sibling nodes.

reverse-order : whether or not to reverse the ordering of sibling nodes based on the value of order-by.

order-by : value for ng-repeat to use for ordering sibling nodes.

labelSelected : inject classes into the div element around the label only when the node is selected.

label : inhject classes into the div element around the label.

iLeaf : inject classes into the 'i' element for leaf nodes.

iCollapsed : inject classes into the 'i' element for the collapsed nodes.

iExpanded : inject classes into the 'i' element for the expanded nodes.

liSelected : inject classes into the li elements only when the node is selected.

The tree control can be used as a Dom element or as an attribute.Ĭopy the script and css into your project and add a script and link tag to your page.

ANGULARJS TREEVIEW CONTROL INSTALL

Supports css styling, with three built in stylesīower: bower install angular-tree-control.Reacts to changes in the tree data, updating the tree as required.Supports large trees with minimal overhead.Allows customization of the tree node label using the angular way - as an angular template.Does not change the tree data - some tree implementations mark on the tree data the selection and expansion of nodes.Isolated scope - the tree control should not pollute the scope it is rendered at.To build a new tree control with the following design guidelines We have tried a number of tree controls built for angular and experience a lot of issues with each. To get started, check out /angular-tree-control Why yet another tree control Pure AngularJS based tree control component.