T
- The type of the wrapped data of the tree node.public interface TreeModel<T> extends java.lang.Iterable<TreeModel<T>>, java.io.Serializable
Tree
component.Modifier and Type | Method and Description |
---|---|
TreeModel<T> |
addChild(T data)
Creates and adds a child tree node with the given data to the current tree node and return it.
|
int |
getChildCount()
Returns the count of the children of the current tree node.
|
java.util.List<TreeModel<T>> |
getChildren()
Returns an unmodifiable list of all child tree nodes of the current tree node.
|
T |
getData()
Returns the wrapped data of the current tree node.
|
java.lang.String |
getIndex()
Returns the zero-based unique index of the current tree node.
|
int |
getLevel()
Returns the level of the current tree node.
|
TreeModel<T> |
getParent()
Returns the parent tree node of the current tree node.
|
boolean |
isFirst()
Returns whether the current tree node is the first child of its parent, if any.
|
boolean |
isLast()
Returns whether the current tree node is the last child of its parent, if any.
|
boolean |
isLeaf()
Returns whether the current tree node is a leaf node.
|
boolean |
isRoot()
Returns whether the current tree node is the root node.
|
java.util.Iterator<TreeModel<T>> |
iterator()
Returns an unmodifiable iterator over the children of the current tree node.
|
void |
setData(T data)
Sets the wrapped data of the current tree node.
|
void setData(T data)
data
- The wrapped data of current tree node.TreeModel<T> addChild(T data)
T getData()
TreeModel<T> getParent()
int getChildCount()
java.util.List<TreeModel<T>> getChildren()
addChild(Object)
method. Adding/inserting/removing elements is not supported on the list.java.util.Iterator<TreeModel<T>> iterator()
int getLevel()
java.lang.String getIndex()
null
. The first child has
index 0. The second child of first child has index 0_1. The first child of second child of
third child has index 2_1_0.boolean isRoot()
true
if the current tree node is the root node, otherwise false
.boolean isLeaf()
true
if the current tree node is a leaf node, otherwise false
.boolean isFirst()
true
if the current tree node is the first child of its parent, otherwise false
.boolean isLast()
true
if the current tree node is the last child of its parent, otherwise false
.