TreeViewGroup

Tree view node. Sample: https://public.datagrok.ai/js/samples/ui/tree-view

Extends

• TreeViewNode

Constructors

new TreeViewGroup()

new TreeViewGroup(dart): TreeViewGroup

Parameters

Parameter	Type
dart	any

Returns

TreeViewGroup

Inherited from

TreeViewNode . constructor

Constructs

from the Dart object

Source

src/widgets.ts:1687

Properties

Property	Type	Inherited from
dart	any	TreeViewNode.dart

Accessors

autoCheckChildren

get autoCheckChildren(): boolean

Indicates whether check or uncheck is applied to a node only or to all node's children

set autoCheckChildren(auto): void

Parameters

Parameter	Type
auto	boolean

Returns

boolean

Source

src/widgets.ts:1807

---

captionLabel

get captionLabel(): HTMLElement

Caption label

Returns

HTMLElement

Source

src/widgets.ts:1709

---

checkBox

get checkBox(): null | HTMLElement

Check box element

Returns

null | HTMLElement

Source

src/widgets.ts:1714

---

checked

get checked(): boolean

Returns true if checked

set checked(checked): void

Parameters

Parameter	Type
checked	boolean

Returns

boolean

Source

src/widgets.ts:1719

---

children

get children(): TreeViewNode<any>[]

Gets the node's children

Returns

TreeViewNode<any>[]

Source

src/widgets.ts:1798

---

currentItem

get currentItem(): TreeViewNode<any>

set currentItem(node): void

Parameters

Parameter	Type
node	TreeViewNode<any>

Returns

TreeViewNode<any>

Source

src/widgets.ts:1810

---

expanded

get expanded(): boolean

set expanded(isExpanded): void

Parameters

Parameter	Type
isExpanded	boolean

Returns

boolean

Source

src/widgets.ts:1802

---

items

get items(): TreeViewNode<any>[]

Gets all node items

Returns

TreeViewNode<any>[]

Source

src/widgets.ts:1793

---

onChildNodeExpandedChanged

get onChildNodeExpandedChanged(): Observable <TreeViewGroup>

Returns

Observable <TreeViewGroup>

Source

src/widgets.ts:1834

---

onChildNodeExpanding

get onChildNodeExpanding(): Observable <TreeViewGroup>

Returns

Observable <TreeViewGroup>

Source

src/widgets.ts:1836

---

onNodeAdded

get onNodeAdded(): Observable <TreeViewNode<any>>

Returns

Observable <TreeViewNode<any>>

Source

src/widgets.ts:1830

---

onNodeCheckBoxToggled

get onNodeCheckBoxToggled(): Observable <TreeViewNode<any>>

Returns

Observable <TreeViewNode<any>>

Source

src/widgets.ts:1832

---

onNodeContextMenu

get onNodeContextMenu(): Observable <TreeViewNode<any>>

Returns

Observable <TreeViewNode<any>>

Source

src/widgets.ts:1839

---

onNodeEnter

get onNodeEnter(): Observable <TreeViewNode<any>>

Returns

Observable <TreeViewNode<any>>

Source

src/widgets.ts:1847

---

onNodeExpanding

get onNodeExpanding(): Observable <TreeViewGroup>

Returns

Observable <TreeViewGroup>

Source

src/widgets.ts:1828

---

onNodeMouseEnter

get onNodeMouseEnter(): Observable <TreeViewNode<any>>

Returns

Observable <TreeViewNode<any>>

Source

src/widgets.ts:1843

---

onNodeMouseLeave

get onNodeMouseLeave(): Observable <TreeViewNode<any>>

Returns

Observable <TreeViewNode<any>>

Source

src/widgets.ts:1845

---

onSelected

get onSelected(): Observable <TreeViewNode<any>>

Returns

Observable <TreeViewNode<any>>

Source

src/widgets.ts:1739

---

onSelectedNodeChanged

get onSelectedNodeChanged(): Observable <TreeViewNode<any>>

Returns

Observable <TreeViewNode<any>>

Source

src/widgets.ts:1841

---

parent

get parent(): TreeViewNode<any>

Returns

TreeViewNode<any>

Source

src/widgets.ts:1704

---

root

get root(): HTMLElement

Visual root

Returns

HTMLElement

Source

src/widgets.ts:1692

---

rootNode

get rootNode(): TreeViewGroup

Returns

TreeViewGroup

Source

src/widgets.ts:1696

---

tag

get tag(): any

set tag(t): void

Parameters

Parameter	Type
t	any

Returns

any

Source

src/widgets.ts:1726

---

text

get text(): string

Node text

set text(value): void

Parameters

Parameter	Type
value	string

Returns

string

Source

src/widgets.ts:1723

---

value

get value(): T

Node value

set value(v): void

Parameters

Parameter	Type
v	T

Returns

T

Source

src/widgets.ts:1730

Methods

enableCheckBox()

enableCheckBox(checked): void

Enables checkbox

Parameters

Parameter	Type	Default value
checked	boolean	false

Returns

void

Inherited from

TreeViewNode . enableCheckBox

Source

src/widgets.ts:1734

---

getOrCreateGroup()

getOrCreateGroup(text, value, expanded): TreeViewGroup

Returns existing, or creates a new node group

Parameters

Parameter	Type	Default value
text	string	undefined
value	null | object	null
expanded	boolean	true

Returns

TreeViewGroup

Source

src/widgets.ts:1819

---

group()

group(text, value, expanded, index): TreeViewGroup

Adds new group

Parameters

Parameter	Type	Default value
text	string | Element	undefined
value	null | object	null
expanded	boolean	true
index	null | number	null

Returns

TreeViewGroup

Source

src/widgets.ts:1814

---

item()

item(text, value): TreeViewNode<any>

Adds new item to group

Parameters

Parameter	Type	Default value
text	string | Element	undefined
value	null | object	null

Returns

TreeViewNode<any>

Source

src/widgets.ts:1824

---

loadSources()

loadSources(source): Promise<void>

Parameters

Parameter	Type
source	HttpDataSource<any>

Returns

Promise<void>

Source

src/widgets.ts:1849

---

remove()

remove(): void

Removes the node and its children from the parent

Returns

void

Inherited from

TreeViewNode . remove

Source

src/widgets.ts:1742

---

fromItemCategories()

static fromItemCategories(items, props, options?): TreeViewGroup

Parameters

Parameter	Type
items	any[]
props	string[]
options?	object
options.itemToElement?	(item) => Element
options.itemToString?	(item) => string
options.itemToValue?	(item) => any
options.removeEmpty?	boolean

Returns

TreeViewGroup

Source

src/widgets.ts:1753

---

tree()

static tree(): TreeViewGroup

Creates new tree

Returns

TreeViewGroup

Source

src/widgets.ts:1749