Class DependTreeModel

  • All Implemented Interfaces:
    javax.swing.tree.TreeModel

    public class DependTreeModel
    extends java.lang.Object
    implements javax.swing.tree.TreeModel
    The DependTreeModel class defines the data model being observed by a DependTree instance.
    Author:
    Mike Clark, Clarkware Consulting, Inc.
    • Constructor Summary

      Constructors 
      Constructor Description
      DependTreeModel​(PackageNode root)
      Constructs a DependTreeModel with the specified root package node.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addTreeModelListener​(javax.swing.event.TreeModelListener l)
      Adds a listener for the TreeModelEvent posted after the tree changes.
      java.lang.Object getChild​(java.lang.Object parent, int index)
      Returns the child of the specified parent at the specified index in the parent's child collection.
      int getChildCount​(java.lang.Object parent)
      Returns the number of children for the specified parent.
      int getIndexOfChild​(java.lang.Object parent, java.lang.Object child)
      Returns the index of the specified child within the specified parent.
      java.lang.Object getRoot()
      Returns the root of the tree.
      boolean isLeaf​(java.lang.Object o)
      Determines whether the specified tree node is a leaf node.
      void removeTreeModelListener​(javax.swing.event.TreeModelListener l)
      Removes a listener for TreeModelEvents.
      void valueForPathChanged​(javax.swing.tree.TreePath path, java.lang.Object newValue)
      Callback method triggered when the value for the item specified by path has changed to newValue .
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • DependTreeModel

        public DependTreeModel​(PackageNode root)
        Constructs a DependTreeModel with the specified root package node.
        Parameters:
        root - Root package node.
    • Method Detail

      • getRoot

        public java.lang.Object getRoot()
        Returns the root of the tree.
        Specified by:
        getRoot in interface javax.swing.tree.TreeModel
        Returns:
        The root of the tree, or null if the tree has no nodes.
      • getChild

        public java.lang.Object getChild​(java.lang.Object parent,
                                         int index)
        Returns the child of the specified parent at the specified index in the parent's child collection.

        The specified parent must be a node previously obtained from this data source.

        Specified by:
        getChild in interface javax.swing.tree.TreeModel
        Parameters:
        parent - A node in the tree, obtained from this data source.
        index - Index of child in the parent's child collection.
        Returns:
        Child.
      • getChildCount

        public int getChildCount​(java.lang.Object parent)
        Returns the number of children for the specified parent.

        The specified parent must be a node previously obtained from this data source.

        Specified by:
        getChildCount in interface javax.swing.tree.TreeModel
        Parameters:
        parent - A node in the tree, obtained from this data source.
        Returns:
        The number of children of the specified parent, or 0 if the parent is a leaf node or if it has no children.
      • isLeaf

        public boolean isLeaf​(java.lang.Object o)
        Determines whether the specified tree node is a leaf node.
        Specified by:
        isLeaf in interface javax.swing.tree.TreeModel
        Parameters:
        o - A node in the tree, obtained from this data source.
        Returns:
        true if the node is a leaf; false otherwise.
      • valueForPathChanged

        public void valueForPathChanged​(javax.swing.tree.TreePath path,
                                        java.lang.Object newValue)
        Callback method triggered when the value for the item specified by path has changed to newValue .
        Specified by:
        valueForPathChanged in interface javax.swing.tree.TreeModel
        Parameters:
        path - Path to the node that has changed.
        newValue - The new value of the node.
      • getIndexOfChild

        public int getIndexOfChild​(java.lang.Object parent,
                                   java.lang.Object child)
        Returns the index of the specified child within the specified parent.
        Specified by:
        getIndexOfChild in interface javax.swing.tree.TreeModel
        Parameters:
        parent - Parent node.
        child - Child node.
        Returns:
        Index of child within parent.
      • addTreeModelListener

        public void addTreeModelListener​(javax.swing.event.TreeModelListener l)
        Adds a listener for the TreeModelEvent posted after the tree changes.
        Specified by:
        addTreeModelListener in interface javax.swing.tree.TreeModel
        Parameters:
        l - The listener to add.
      • removeTreeModelListener

        public void removeTreeModelListener​(javax.swing.event.TreeModelListener l)
        Removes a listener for TreeModelEvents.
        Specified by:
        removeTreeModelListener in interface javax.swing.tree.TreeModel
        Parameters:
        l - The listener to remove.