ngx-tree-data
v1.0.1
Published
It is a complete and lightweight component for loading data in tree form using the Material CDK, such as Angular Material.
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NgxTreeData
Description
It is a complete and lightweight component for loading data in tree form using the Material CDK, such as Angular Material.
Installation
Just add the NgxTreeDataModule
module to use the component.
import { NgxTreeDataModule } from 'ngx-tree-data';
@NgModule({
imports: [
...
NgxTreeDataModule
]
})
export class AppModule { }
Example use:
<ngx-tree-data (selected)="dataSelected = $event" [config]="config">
<div class="title">
<h2>Ngx-tree-data</h2>
</div>
</ngx-tree-data>
export class AppComponent {
config: NgxTreeDataConfig = {
selectFirst: false,
selectThis: -1,
checkbox: true,
search: false,
selectAll: false,
multiple: false,
};
data: TreeData [] = DATA;
dataSelected;
constructor(private treeService: NgxTreeDataService) {
this.treeService.initialize(this.data);
}
}
API
The data we send to NgxTreeDataService
must be in TreeData
format.
export class TreeData {
text: string;
id ?= -1;
selected: boolean;
children: TreeData [] | null;
data ?: any = null;
}
export class NgxTreeDataConfig {
selectFirst?: boolean;
selectThis?: number;
checkbox?: boolean;
search?: boolean;
selectAll?: boolean;
multiple?: boolean;
}
Example Data
const DATA: TreeData [] = [
{
id: 1,
text: 'item_1',
selected: false,
data: {
example: 'data'
},
children: [
{
id: 2,
text: 'item_1.1',
children: null,
selected: false,
},
{
id: 2,
text: 'item_1.2',
children: null,
selected: false,
},
{
id: 2,
text: 'item_1.3',
children: null,
selected: false,
}
],
},
{
id: 3,
text: 'item_2',
selected: false,
children: [
{
id: 4,
text: 'item_2.1',
children: null,
selected: false,
},
{
id: 4,
text: 'item_2.2',
children: null,
selected: false,
}
],
}
]
| Attribute | Description |
|:-------------:|:-:|
| @Output() selected: ItemFlatNode [] or ItemNode
| Depending on the mode you are in, ItemFlatNode []
or ItemNode
will be returned. |
| @Input() config: NgxTreeDataConfig
| You must pass a NgxTreeDataConfig
|