|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.apache.wicket.extensions.markup.html.repeater.util.TreeModelProvider<T>
T
- model object typepublic abstract class TreeModelProvider<T>
A provider wrapping a Swing TreeModel
.
EXPERIMENTAL !
Field Summary | |
---|---|
protected List<T> |
branchUpdates
|
protected boolean |
completeUpdate
|
protected List<T> |
nodeUpdates
|
Constructor Summary | |
---|---|
TreeModelProvider(TreeModel treeModel)
Wrap the given TreeModel . |
|
TreeModelProvider(TreeModel treeModel,
boolean rootVisible)
Wrap the given TreeModel . |
Method Summary | |
---|---|
protected void |
branchUpdate(Object branch)
|
protected T |
cast(Object object)
|
void |
detach()
Detaches model after use. |
Iterator<T> |
getChildren(T object)
Get the children of the given node. |
Iterator<T> |
getRoots()
Get the roots of the tree. |
boolean |
hasChildren(T object)
Does the given object have children - note that this method may return true even
if ITreeProvider.getChildren(Object) returns an empty iterator. |
abstract IModel<T> |
model(T object)
Callback used by the consumer of this tree provider to wrap objects retrieved from ITreeProvider.getRoots() or ITreeProvider.getChildren(Object) with a model (usually a detachable one). |
protected void |
nodeUpdate(Object[] nodes)
|
void |
update(AbstractTree<T> tree,
AjaxRequestTarget target)
Call this method after all change to the wrapped TreeModel being initiated via
AjaxRequestTarget . |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
protected boolean completeUpdate
protected List<T> nodeUpdates
protected List<T> branchUpdates
Constructor Detail |
---|
public TreeModelProvider(TreeModel treeModel)
TreeModel
.
treeModel
- model to wrappublic TreeModelProvider(TreeModel treeModel, boolean rootVisible)
TreeModel
.
treeModel
- the wrapped modelrootVisible
- should the root be visibleMethod Detail |
---|
public Iterator<T> getRoots()
ITreeProvider
getRoots
in interface ITreeProvider<T>
public boolean hasChildren(T object)
ITreeProvider
true
even
if ITreeProvider.getChildren(Object)
returns an empty iterator.
hasChildren
in interface ITreeProvider<T>
object
- the node to check for children
true
if node has childrenpublic Iterator<T> getChildren(T object)
ITreeProvider
getChildren
in interface ITreeProvider<T>
object
- node to get children for
protected T cast(Object object)
public abstract IModel<T> model(T object)
ITreeProvider
ITreeProvider.getRoots()
or ITreeProvider.getChildren(Object)
with a model (usually a detachable one).
Important note: The model must implement Object.equals(Object)
and
Object.hashCode()
!
model
in interface ITreeProvider<T>
object
- the object that needs to be wrapped
public void detach()
IDetachable
detach
in interface IDetachable
public void update(AbstractTree<T> tree, AjaxRequestTarget target)
TreeModel
being initiated via
AjaxRequestTarget
.
tree
- the tree utilizing this ITreeProvider
target
- the AjaxRequestTarget
which initiated the changesprotected void nodeUpdate(Object[] nodes)
protected void branchUpdate(Object branch)
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |