# Uses of Class
javafx.scene.control.TreeItem

Packages that use TreeItem
Package
Description
javafx.scene.control
The JavaFX User Interface Controls (UI Controls or just Controls) are specialized Nodes in the JavaFX Scenegraph especially suited for reuse in many different application contexts.
javafx.scene.control.cell
The `javafx.scene.control.cell` package is where all cell-related classes are located, other than the core classes such as `Cell`, `IndexedCell`, `ListCell`, `TreeCell`, and `TableCell`.

- ## Uses of TreeItem in javafx.scene.control

  Subclasses of TreeItem in javafx.scene.control
  Modifier and Type
  Class
  Description
  `class`
  `CheckBoxTreeItem<T>`
  TreeItem subclass that adds support for being in selected, unselected, and indeterminate states.
  Methods in javafx.scene.control that return TreeItem
  Modifier and Type
  Method
  Description
  `final TreeItem<T>`
  TreeView.`getEditingItem()`
  Returns the TreeItem that is currently being edited in the TreeView, or null if no item is being edited.
  `protected TreeItem<S>`
  TreeTableView.TreeTableViewFocusModel.`getModelItem(int index)`
  Returns the item at the given index.
  `TreeItem<S>`
  TreeTableView.TreeTableViewSelectionModel.`getModelItem(int index)`
  Returns the item at the given index.
  `final TreeItem<T>`
  TreeItem.`getParent()`
  The parent of this TreeItem.
  `final TreeItem<S>`
  TreeTableView.`getRoot()`
  Returns the current root node of this TreeTableView, or null if no root node is specified.
  `final TreeItem<T>`
  TreeView.`getRoot()`
  Returns the current root node of this TreeView, or null if no root node is specified.
  `TreeItem<S>`
  TreeTableColumn.CellEditEvent.`getRowValue()`
  Convenience method that returns the value for the row (that is, from the TableView `items` list), for the row contained within the `TablePosition` returned in `TreeTableColumn.CellEditEvent.getTreeTablePosition()`.
  `TreeItem<T>`
  TreeItem.TreeModificationEvent.`getSource()`
  Returns the TreeItem upon which this event occurred.
  `final TreeItem<T>`
  TreeCell.`getTreeItem()`
  Returns the TreeItem currently set in this TreeCell.
  `TreeItem<T>`
  TreeItem.TreeModificationEvent.`getTreeItem()`
  Returns the TreeItem that this event occurred upon.
  `final TreeItem<S>`
  TreeTablePosition.`getTreeItem()`
  Returns the `TreeItem` that backs the `TablePositionBase.getRow()` row}.
  `final TreeItem<T>`
  TreeTableRow.`getTreeItem()`
  Returns the TreeItem currently set in this TreeTableRow.
  `TreeItem<S>`
  TreeTableView.EditEvent.`getTreeItem()`
  Returns the `TreeItem` upon which the edit took place.
  `TreeItem<S>`
  TreeTableView.`getTreeItem(int row)`
  Returns the TreeItem in the given index, or null if it is out of bounds.
  `TreeItem<T>`
  TreeView.EditEvent.`getTreeItem()`
  Returns the `TreeItem` upon which the edit took place.
  `TreeItem<T>`
  TreeView.`getTreeItem(int row)`
  Returns the TreeItem in the given index, or null if it is out of bounds.
  `TreeItem<S>`
  TreeTableColumn.CellDataFeatures.`getValue()`
  Returns the value passed in to the constructor.
  `TreeItem<T>`
  TreeItem.`nextSibling()`
  Returns the next sibling of the TreeItem.
  `TreeItem<T>`
  TreeItem.`nextSibling(TreeItem<T> afterNode)`
  Returns the next sibling after the given node.
  `TreeItem<T>`
  TreeItem.`previousSibling()`
  Returns the previous sibling of the TreeItem.
  `TreeItem<T>`
  TreeItem.`previousSibling(TreeItem<T> beforeNode)`
  Returns the previous sibling after the given node.
  Methods in javafx.scene.control that return types with arguments of type TreeItem
  Modifier and Type
  Method
  Description
  `final ReadOnlyObjectProperty<Comparator<TreeItem<S>>>`
  TreeTableView.`comparatorProperty()`
  The comparator property is a read-only property that is representative of the current state of the `sort order` list.
  `final ReadOnlyObjectProperty<TreeItem<T>>`
  TreeView.`editingItemProperty()`
  A property used to represent the TreeItem currently being edited in the TreeView, if editing is taking place, or null if no item is being edited.
  `final ObjectProperty<FocusModel<TreeItem<T>>>`
  TreeView.`focusModelProperty()`
  The FocusModel provides the API through which it is possible to control focus on zero or one rows of the TreeView.
  `List<? extends TreeItem<T>>`
  TreeItem.TreeModificationEvent.`getAddedChildren()`
  Returns the children added to the TreeItem in this event, or an empty list if no children were added.
  `ObservableList<TreeItem<T>>`
  TreeItem.`getChildren()`
  The children of this TreeItem.
  `final Comparator<TreeItem<S>>`
  TreeTableView.`getComparator()`
  Gets the value of the `comparator` property.
  `final FocusModel<TreeItem<T>>`
  TreeView.`getFocusModel()`
  Returns the currently installed `FocusModel`.
  `List<? extends TreeItem<T>>`
  TreeItem.TreeModificationEvent.`getRemovedChildren()`
  Returns the children removed from the TreeItem in this event, or an empty list if no children were added.
  `final MultipleSelectionModel<TreeItem<T>>`
  TreeView.`getSelectionModel()`
  Returns the currently installed selection model.
  `final ReadOnlyObjectProperty<TreeItem<T>>`
  TreeItem.`parentProperty()`
  A property that represents the parent of this TreeItem.
  `final ObjectProperty<TreeItem<S>>`
  TreeTableView.`rootProperty()`
  Property representing the root node of the TreeTableView.
  `final ObjectProperty<TreeItem<T>>`
  TreeView.`rootProperty()`
  Property representing the root node of the TreeView.
  `final ObjectProperty<MultipleSelectionModel<TreeItem<T>>>`
  TreeView.`selectionModelProperty()`
  The SelectionModel provides the API through which it is possible to select single or multiple items within a TreeView, as well as inspect which rows have been selected by the user.
  `final ReadOnlyObjectProperty<TreeItem<T>>`
  TreeCell.`treeItemProperty()`
  Each TreeCell represents at most a single `TreeItem`, which is represented by this property.
  `final ReadOnlyObjectProperty<TreeItem<T>>`
  TreeTableRow.`treeItemProperty()`
  Each TreeTableCell represents at most a single `TreeItem`, which is represented by this property.
  Methods in javafx.scene.control with parameters of type TreeItem
  Modifier and Type
  Method
  Description
  `void`
  TreeView.`edit(TreeItem<T> item)`
  Instructs the TreeView to begin editing the given TreeItem, if the TreeView is `editable`.
  `final ObservableValue<T>`
  TreeTableColumn.`getCellObservableValue(TreeItem<S> item)`
  Attempts to return an ObservableValue<T> for the given item (which is of type S).
  `static int`
  TreeTableView.`getNodeLevel(TreeItem<?> node)`
  Deprecated.
  This method does not correctly calculate the distance from the given TreeItem to the root of the TreeTableView.
  `static int`
  TreeView.`getNodeLevel(TreeItem<?> node)`
  Deprecated.
  This method does not correctly calculate the distance from the given TreeItem to the root of the TreeView.
  `int`
  TreeTableView.`getRow(TreeItem<S> item)`
  Returns the index position of the given TreeItem, assuming that it is currently accessible through the tree hierarchy (most notably, that all parent tree items are expanded).
  `int`
  TreeView.`getRow(TreeItem<T> item)`
  Returns the index position of the given TreeItem, assuming that it is currently accessible through the tree hierarchy (most notably, that all parent tree items are expanded).
  `int`
  TreeTableView.`getTreeItemLevel(TreeItem<?> node)`
  Returns the number of levels of 'indentation' of the given TreeItem, based on how many times getParent() can be recursively called.
  `int`
  TreeView.`getTreeItemLevel(TreeItem<?> node)`
  Returns the number of levels of 'indentation' of the given TreeItem, based on how many times getParent() can be recursively called.
  `TreeItem<T>`
  TreeItem.`nextSibling(TreeItem<T> afterNode)`
  Returns the next sibling after the given node.
  `TreeItem<T>`
  TreeItem.`previousSibling(TreeItem<T> beforeNode)`
  Returns the previous sibling after the given node.
  `final void`
  TreeTableView.`setRoot(TreeItem<S> value)`
  Sets the root node in this TreeTableView.
  `final void`
  TreeView.`setRoot(TreeItem<T> value)`
  Sets the root node in this TreeView.
  `final void`
  TreeCell.`updateTreeItem(TreeItem<T> treeItem)`
  Updates the TreeItem associated with this TreeCell.
  `final void`
  TreeTableRow.`updateTreeItem(TreeItem<T> treeItem)`
  Updates the TreeItem associated with this TreeTableCell.
  Method parameters in javafx.scene.control with type arguments of type TreeItem
  Modifier and Type
  Method
  Description
  `void`
  TreeTableView.TreeTableViewSelectionModel.`selectRange(int minRow, TableColumnBase<TreeItem<S>,?> minColumn, int maxRow, TableColumnBase<TreeItem<S>,?> maxColumn)`
  Selects the cells in the range (minRow, minColumn) to (maxRow, maxColumn), inclusive.
  `final void`
  TreeView.`setFocusModel(FocusModel<TreeItem<T>> value)`
  Sets the `FocusModel` to be used in the TreeView.
  `final void`
  TreeView.`setSelectionModel(MultipleSelectionModel<TreeItem<T>> value)`
  Sets the `MultipleSelectionModel` to be used in the TreeView.
  Constructors in javafx.scene.control with parameters of type TreeItem
  Modifier
  Constructor
  Description
  ``
  `CellDataFeatures(TreeTableView<S> treeTableView, TreeTableColumn<S,T> tableColumn, TreeItem<S> value)`
  Instantiates a CellDataFeatures instance with the given properties set as read-only values of this instance.
  ``
  `EditEvent(TreeTableView<S> source, EventType<? extends TreeTableView.EditEvent> eventType, TreeItem<S> treeItem, S oldValue, S newValue)`
  Creates a new EditEvent instance to represent an edit event.
  ``
  `EditEvent(TreeView<T> source, EventType<? extends TreeView.EditEvent> eventType, TreeItem<T> treeItem, T oldValue, T newValue)`
  Creates a new EditEvent instance to represent an edit event.
  ``
  `TreeModificationEvent(EventType<? extends Event> eventType, TreeItem<T> treeItem)`
  Constructs a basic TreeModificationEvent - this is useful in situations where the tree item has not received a new value, has not changed between expanded/collapsed states, and whose children has not changed.
  ``
  `TreeModificationEvent(EventType<? extends Event> eventType, TreeItem<T> treeItem, boolean expanded)`
  Constructs a TreeModificationEvent for when the TreeItem has had its `expandedProperty()` changed.
  ``
  `TreeModificationEvent(EventType<? extends Event> eventType, TreeItem<T> treeItem, List<? extends TreeItem<T>> added, List<? extends TreeItem<T>> removed)`
  Constructs a TreeModificationEvent for when the TreeItem has had its children list changed.
  ``
  `TreeModificationEvent(EventType<? extends Event> eventType, TreeItem<T> treeItem, T newValue)`
  Constructs a TreeModificationEvent for when the TreeItem has had its `valueProperty()` changed.
  ``
  `TreeTableView(TreeItem<S> root)`
  Creates a TreeTableView with the provided root node.
  ``
  `TreeView(TreeItem<T> root)`
  Creates a TreeView with the provided root node.
  Constructor parameters in javafx.scene.control with type arguments of type TreeItem
  Modifier
  Constructor
  Description
  ``
  `TreeModificationEvent(EventType<? extends Event> eventType, TreeItem<T> treeItem, List<? extends TreeItem<T>> added, List<? extends TreeItem<T>> removed)`
  Constructs a TreeModificationEvent for when the TreeItem has had its children list changed.

- ## Uses of TreeItem in javafx.scene.control.cell

  Methods in javafx.scene.control.cell that return types with arguments of type TreeItem
  Modifier and Type
  Method
  Description
  `final ObjectProperty<StringConverter<TreeItem<T>>>`
  CheckBoxTreeCell.`converterProperty()`
  The `StringConverter` property.
  `final StringConverter<TreeItem<T>>`
  CheckBoxTreeCell.`getConverter()`
  Returns the `StringConverter` used in this cell.
  `final Callback<TreeItem<T>,ObservableValue<Boolean>>`
  CheckBoxTreeCell.`getSelectedStateCallback()`
  Returns the `Callback` that is bound to by the CheckBox shown on screen.
  `final ObjectProperty<Callback<TreeItem<T>,ObservableValue<Boolean>>>`
  CheckBoxTreeCell.`selectedStateCallbackProperty()`
  Property representing the `Callback` that is bound to by the CheckBox shown on screen.
  Method parameters in javafx.scene.control.cell with type arguments of type TreeItem
  Modifier and Type
  Method
  Description
  `static <T> Callback<TreeView<T>,TreeCell<T>>`
  CheckBoxTreeCell.`forTreeView(Callback<TreeItem<T>,ObservableValue<Boolean>> getSelectedProperty)`
  Creates a cell factory for use in a TreeView control.
  `static <T> Callback<TreeView<T>,TreeCell<T>>`
  CheckBoxTreeCell.`forTreeView(Callback<TreeItem<T>,ObservableValue<Boolean>> getSelectedProperty, StringConverter<TreeItem<T>> converter)`
  Creates a cell factory for use in a TreeView control.
  `static <T> Callback<TreeView<T>,TreeCell<T>>`
  CheckBoxTreeCell.`forTreeView(Callback<TreeItem<T>,ObservableValue<Boolean>> getSelectedProperty, StringConverter<TreeItem<T>> converter)`
  Creates a cell factory for use in a TreeView control.
  `final void`
  CheckBoxTreeCell.`setConverter(StringConverter<TreeItem<T>> value)`
  Sets the `StringConverter` to be used in this cell.
  `final void`
  CheckBoxTreeCell.`setSelectedStateCallback(Callback<TreeItem<T>,ObservableValue<Boolean>> value)`
  Sets the `Callback` that is bound to by the CheckBox shown on screen.
  Constructor parameters in javafx.scene.control.cell with type arguments of type TreeItem
  Modifier
  Constructor
  Description
  ``
  `CheckBoxTreeCell(Callback<TreeItem<T>,ObservableValue<Boolean>> getSelectedProperty)`
  Creates a `CheckBoxTreeCell` for use in a TreeView control via a cell factory.
  ``
  `CheckBoxTreeCell(Callback<TreeItem<T>,ObservableValue<Boolean>> getSelectedProperty, StringConverter<TreeItem<T>> converter)`
  Creates a `CheckBoxTreeCell` for use in a TreeView control via a cell factory.
  ``
  `CheckBoxTreeCell(Callback<TreeItem<T>,ObservableValue<Boolean>> getSelectedProperty, StringConverter<TreeItem<T>> converter)`
  Creates a `CheckBoxTreeCell` for use in a TreeView control via a cell factory.