data
Optional. Sets a dataset for a tree
data?: object[];
Parameters:
Each data object can have the following properties:
value | (string) the value of an item |
id | (string, number) the id of an item |
opened | (boolean) optional, defines whether an item is opened by default |
checkbox | (boolean) optional, enables/disables displaying a checkbox for a tree item |
items | (array) an array of children items |
icon | (object) allows adding custom icons for a tree item Related sample: Tree. Custom dataset icons |
Example
const data = [
{
"value": "Books",
"id": "Books",
"opened": true,
"checkbox": true,
"items": [
{
"value": "Thrillers",
"id": "Thrillers",
"icon": {
"folder": "fas fa-book",
"openFolder": "fas fa-book-open",
"file": "fas fa-file"
}
}
]
}
];
const tree = new dhx.Tree("tree", {
data: dataset
});
Related samples:
You can disable displaying of a checkbox for a tree item via the update method of tree collection.
tree.data.update("Books", {checkbox:false});