Package org.apache.tapestry5.tree
Class DefaultTreeModel<T>
- java.lang.Object
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- org.apache.tapestry5.tree.DefaultTreeModel<T>
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- Type Parameters:
T- the type of data in the tree
- All Implemented Interfaces:
TreeModel<T>
public class DefaultTreeModel<T> extends java.lang.Object implements TreeModel<T>
A default implementation of TreeModel that starts with aValueEncoder(for the element to string conversion), aTreeModelAdapter, and a list of root nodes. This implementation is not thread safe.- Since:
- 5.3
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Constructor Summary
Constructors Constructor Description DefaultTreeModel(ValueEncoder<T> encoder, TreeModelAdapter<T> adapter, java.util.List<T> roots)Standard constructor.DefaultTreeModel(ValueEncoder<T> encoder, TreeModelAdapter<T> adapter, T root)Creates a new model starting from a single root element.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description TreeNode<T>find(T element)Recursively searches from the root nodes to find the tree node that matches the provided element.TreeNode<T>getById(java.lang.String id)Locates a node in the tree by its unique id.java.util.List<TreeNode<T>>getRootNodes()Returns the node or nodes that are the top level of the tree.
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Constructor Detail
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DefaultTreeModel
public DefaultTreeModel(ValueEncoder<T> encoder, TreeModelAdapter<T> adapter, T root)
Creates a new model starting from a single root element.- Parameters:
encoder- used to convert values to strings and vice-versaadapter- adapts elements to the treeroot- defines the root node of the model
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DefaultTreeModel
public DefaultTreeModel(ValueEncoder<T> encoder, TreeModelAdapter<T> adapter, java.util.List<T> roots)
Standard constructor.- Parameters:
encoder- used to convert values to strings and vice-versaadapter- adapts elements to the treeroots- defines the root nodes of the model
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Method Detail
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getRootNodes
public java.util.List<TreeNode<T>> getRootNodes()
Description copied from interface:TreeModelReturns the node or nodes that are the top level of the tree.- Specified by:
getRootNodesin interfaceTreeModel<T>
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getById
public TreeNode<T> getById(java.lang.String id)
Description copied from interface:TreeModelLocates a node in the tree by its unique id.- Specified by:
getByIdin interfaceTreeModel<T>- See Also:
TreeNode.getId()
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