com.iamsoft.util.ui.javafx

Class LazyTreeItem<T,U>

java.lang.Object

javafx.scene.control.TreeItem<T>

com.iamsoft.util.ui.javafx.LazyTreeItem<T,U>

Type Parameters:

T - item type

U - Type from which tree items are created.

All Implemented Interfaces:

javafx.event.EventTarget

public class LazyTreeItem<T,U>
extends javafx.scene.control.TreeItem<T>

Tree item whose children are calculated lazily.

Nested Class Summary

Nested classes/interfaces inherited from class javafx.scene.control.TreeItem

javafx.scene.control.TreeItem.TreeModificationEvent<T>

Constructor Summary

Constructors

Constructor and Description
LazyTreeItem(T pItem, Callable<Collection<U>> pChildElementsCallable, Function<U,javafx.scene.control.TreeItem<T>> pElementToTreeItemFunction) If callable is null, node is considered a leaf.

Method Summary

Modifier and Type	Method and Description
javafx.collections.ObservableList<javafx.scene.control.TreeItem<T>>	getChildren()
protected boolean	isGetChildrenCalled()
boolean	isLeaf()

Methods inherited from class javafx.scene.control.TreeItem

addEventHandler, branchCollapsedEvent, branchExpandedEvent, buildEventDispatchChain, childrenModificationEvent, expandedItemCountChangeEvent, expandedProperty, getGraphic, getParent, getValue, graphicChangedEvent, graphicProperty, isExpanded, leafProperty, nextSibling, nextSibling, parentProperty, previousSibling, previousSibling, removeEventHandler, setExpanded, setGraphic, setValue, toString, treeNotificationEvent, valueChangedEvent, valueProperty

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

LazyTreeItem

public LazyTreeItem(T pItem,
                    Callable<Collection<U>> pChildElementsCallable,
                    Function<U,javafx.scene.control.TreeItem<T>> pElementToTreeItemFunction)

If callable is null, node is considered a leaf.

Parameters:

pItem - Tree item.

pChildElementsCallable - Callable, which will be invoked on a background thread to provide list of child elements. Note that elements must be immutable.

pElementToTreeItemFunction - Function, which will be invoked on the JavaFX thread to create children.

Method Detail

isGetChildrenCalled

protected boolean isGetChildrenCalled()

isLeaf

public boolean isLeaf()

Overrides:

isLeaf in class javafx.scene.control.TreeItem<T>

getChildren

public javafx.collections.ObservableList<javafx.scene.control.TreeItem<T>> getChildren()

Overrides:

getChildren in class javafx.scene.control.TreeItem<T>