foundation/org.jetbrains.jewel.foundation.tree/TreeState

TreeState

class TreeState(delegate: SelectableLazyListState)

Constructors

constructor(delegate: SelectableLazyListState)

Properties

var flattenedTree: List<Tree.Element<*>>

lastFocusedIndex

val lastFocusedIndex: Int?

val lazyListState: LazyListState

val openNodes: Map<List<Any>, Tree.Element.Node<*>>

selectedElements

val selectedElements: List<Tree.Element<*>>

selectedItemIndexes

val selectedItemIndexes: List<Int>

Functions

addElementsToSelection

suspend fun addElementsToSelection(indexList: List<Int>, itemToFocus: Int? = indexList.lastOrNull())

addElementToSelection

suspend fun addElementToSelection(elementIndex: Int, changeFocus: Boolean = true)

fun attachTree(tree: Tree<*>)

fun closeNode(nodeId: Int): Boolean

fun closeNode(node: Tree.Element.Node<*>): Boolean

suspend fun deselectAll()

deselectElement

suspend fun deselectElement(itemIndex: Int, changeFocus: Boolean = true)

fun isNodeOpen(node: Tree.Element.Node<*>): Boolean

fun openNode(nodeId: Int, reloadChildren: Boolean = false): Boolean

fun openNode(node: Tree.Element.Node<*>, reloadChildren: Boolean = false): Boolean

selectSingleElement

suspend fun selectSingleElement(elementIndex: Int, changeFocus: Boolean = true): Boolean

toggleElementSelection

suspend fun toggleElementSelection(flattenIndex: Int)

fun toggleNode(node: Tree.Element.Node<*>): Boolean