Package org.eclipse.nebula.widgets.nattable.columnCategories

Class Tree

java.lang.Object
org.eclipse.nebula.widgets.nattable.columnCategories.Tree
All Implemented Interfaces:
Serializable
public class Tree extends Object implements Serializable
Represents a Tree of Objects. The Tree is represented as a single rootElement which points to a List<Node> of children. Adapted from public domain code at http://sujitpal.blogspot.com/.
See Also:

  • Constructor Details

    • Tree

      public Tree()
      Default ctor.

  • Method Details

    • getRootElement

      public Node getRootElement()
      Return the root Node of the tree.
      Returns:
      the root element.

    • setRootElement

      public void setRootElement(Node rootElement)
      Set the root Element for the tree.
      Parameters:
      rootElement - the root element to set.

    • toList

      public List<Node> toList()
      Returns the Tree as a List of Node objects. The elements of the List are generated from a pre-order traversal of the tree.
      Returns:
      a List<Node>.

    • toString

      public String toString()
      Returns a String representation of the Tree. The elements are generated from a pre-order traversal of the Tree.
      Overrides:
      toString in class Object
      Returns:
      the String representation of the Tree.

    • find

      public Node find(String nodeData)
      Find the Node in the tree containing the supplied data. Stops searching at the first match.
      Parameters:
      nodeData - the node data
      Returns:
      matching Node if found, NULL otherwise

    • find

      public Node find(Node element, String nodeData)
      Find a Node in a tree, containing the given data
      Parameters:
      element - Node to start searching at
      nodeData - to search for
      Returns:
      matching Node if found, NULL otherwise

    • clear

      public void clear()

    • remove

      public boolean remove(String nodeData)
      Removes the node with the supplied node data. Deletes the first matching node.
      Parameters:
      nodeData - the node data
      Returns:
      TRUE if a node was found and removed