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java.lang.Object org.apache.wicket.markup.html.tree.DefaultTreeState
public class DefaultTreeState
Default implementation of TreeState.
This implementation tries to be as lightweight as possible. By default all nodes are collapsed.
Constructor Summary | |
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DefaultTreeState()
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Method Summary | |
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void |
addTreeStateListener(ITreeStateListener l)
Adds a tree state listener. |
void |
collapseAll()
Collapses all nodes of the tree. |
void |
collapseNode(Object node)
Collapses the given node. |
void |
detach()
Detaches model after use. |
void |
expandAll()
Expands all nodes of the tree. |
void |
expandNode(Object node)
Expands the given node. |
Collection<Object> |
getSelectedNodes()
Returns the collection of all selected nodes. |
boolean |
isAllowSelectMultiple()
Returns whether multiple nodes can be selected. |
boolean |
isNodeExpanded(Object node)
Returns true if the given node is expanded. |
boolean |
isNodeSelected(Object node)
Returns true if the given node is selected, false otherwise. |
protected void |
removeSelectedNodeSilent(Object node)
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void |
removeTreeStateListener(ITreeStateListener l)
Removes a tree state listener. |
void |
selectNode(Object node,
boolean selected)
Selects or deselects node and calls the corresponding method on all registered
ITreeStateListeners . |
void |
setAllowSelectMultiple(boolean value)
Sets whether multiple nodes can be selected. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public DefaultTreeState()
Method Detail |
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public void addTreeStateListener(ITreeStateListener l)
ITreeState
addTreeStateListener
in interface ITreeState
l
- Listener to addITreeState.addTreeStateListener(org.apache.wicket.markup.html.tree.ITreeStateListener)
public void collapseAll()
ITreeState
collapseAll
in interface ITreeState
ITreeState.collapseAll()
public void collapseNode(Object node)
ITreeState
collapseNode
in interface ITreeState
node
- Node to collapsepublic void expandAll()
ITreeState
expandAll
in interface ITreeState
ITreeState.expandAll()
public void expandNode(Object node)
ITreeState
expandNode
in interface ITreeState
node
- Node to expandpublic Collection<Object> getSelectedNodes()
ITreeState
getSelectedNodes
in interface ITreeState
ITreeState.getSelectedNodes()
protected void removeSelectedNodeSilent(Object node)
public boolean isAllowSelectMultiple()
ITreeState
isAllowSelectMultiple
in interface ITreeState
ITreeState.isAllowSelectMultiple()
public boolean isNodeExpanded(Object node)
ITreeState
isNodeExpanded
in interface ITreeState
node
- The node to inspect
public boolean isNodeSelected(Object node)
ITreeState
isNodeSelected
in interface ITreeState
node
- The node to inspect
public void removeTreeStateListener(ITreeStateListener l)
ITreeState
removeTreeStateListener
in interface ITreeState
l
- The listener to removeITreeState.removeTreeStateListener(org.apache.wicket.markup.html.tree.ITreeStateListener)
public void selectNode(Object node, boolean selected)
node
and calls the corresponding method on all registered
ITreeStateListeners
. If isAllowSelectMultiple
is false
, any currently selected nodes are deselected.
selectNode
in interface ITreeState
node
- the node to be selectedselected
- true if node is to be selected, false if node is to be deselectedpublic void setAllowSelectMultiple(boolean value)
ITreeState
setAllowSelectMultiple
in interface ITreeState
value
- If true, multiple nodes can be selected. If false, only one node at a time can be
selectedITreeState.setAllowSelectMultiple(boolean)
public void detach()
IDetachable
detach
in interface IDetachable
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