PDFTreeModel (PDFBox reactor 2.0.2 API)

java.lang.Object
- org.apache.pdfbox.debugger.ui.PDFTreeModel

All Implemented Interfaces:

TreeModel
```
public class PDFTreeModel
extends Object
implements TreeModel
```
A class to model a PDF document as a tree structure.

Author:

Ben Litchfield

Constructor Summary

Constructors
Constructor and Description
`PDFTreeModel()` constructor.
`PDFTreeModel(DocumentEntry docEntry)` Constructor to take a document.
`PDFTreeModel(PDDocument doc)` Constructor to take a document.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addTreeModelListener(TreeModelListener l)` Adds a listener for the `TreeModelEvent` posted after the tree changes.
`Object`	`getChild(Object parent, int index)` Returns the child of `parent` at index `index` in the parent's child array.
`int`	`getChildCount(Object parent)` Returns the number of children of `parent`.
`int`	`getIndexOfChild(Object parent, Object child)` Returns the index of child in parent.
`Object`	`getRoot()` Returns the root of the tree.
`boolean`	`isLeaf(Object node)` Returns `true` if `node` is a leaf.
`void`	`removeTreeModelListener(TreeModelListener l)` Removes a listener previously added with `addTreeModelListener`.
`void`	`valueForPathChanged(TreePath path, Object newValue)` Messaged when the user has altered the value for the item identified by `path` to `newValue`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - PDFTreeModel
```
public PDFTreeModel()
```
    constructor.
  - PDFTreeModel
```
public PDFTreeModel(PDDocument doc)
```
    Constructor to take a document.
    
    Parameters:
    doc - The document to display in the tree.
  - PDFTreeModel
```
public PDFTreeModel(DocumentEntry docEntry)
```
    Constructor to take a document.
    
    Parameters:
    docEntry - The document to display in the tree.
- Method Detail
  - addTreeModelListener
```
public void addTreeModelListener(TreeModelListener l)
```
    Adds a listener for the TreeModelEvent posted after the tree changes.
    
    Specified by:
    
    addTreeModelListener in interface TreeModel
    
    Parameters:
    l - the listener to add
    See Also:
    removeTreeModelListener(javax.swing.event.TreeModelListener)
  - getChild
```
public Object getChild(Object parent,
              int index)
```
    Returns the child of parent at index index in the parent's child array. parent must be a node previously obtained from this data source. This should not return null if index is a valid index for parent (that is index >= 0 && index < getChildCount(parent)).
    
    Specified by:
    
    getChild in interface TreeModel
    
    Parameters:
    parent - a node in the tree, obtained from this data source
    index - The index into the parent object to location the child object.
    
    Returns:
    the child of parent at index index
    
    Throws:
    
    IllegalArgumentException - if an unknown unknown COS type is passed as parent parameter.
  - getChildCount
```
public int getChildCount(Object parent)
```
    Returns the number of children of parent. Returns 0 if the node is a leaf or if it has no children. parent must be a node previously obtained from this data source.
    
    Specified by:
    
    getChildCount in interface TreeModel
    
    Parameters:
    parent - a node in the tree, obtained from this data source
    
    Returns:
    the number of children of the node parent
  - getIndexOfChild
```
public int getIndexOfChild(Object parent,
                  Object child)
```
    Returns the index of child in parent. If parent is null or child is null, returns -1.
    
    Specified by:
    
    getIndexOfChild in interface TreeModel
    
    Parameters:
    parent - a node in the tree, obtained from this data source
    child - the node we are interested in
    
    Returns:
    the index of the child in the parent, or -1 if either child or parent are null
    
    Throws:
    
    IllegalArgumentException - if an unknown unknown COS type is passed as parent parameter.
  - getRoot
```
public Object getRoot()
```
    Returns the root of the tree. Returns null only if the tree has no nodes.
    
    Specified by:
    
    getRoot in interface TreeModel
    
    Returns:
    the root of the tree
  - isLeaf
```
public boolean isLeaf(Object node)
```
    Returns true if node is a leaf. It is possible for this method to return false even if node has no children. A directory in a filesystem, for example, may contain no files; the node representing the directory is not a leaf, but it also has no children.
    
    Specified by:
    
    isLeaf in interface TreeModel
    
    Parameters:
    node - a node in the tree, obtained from this data source
    
    Returns:
    true if node is a leaf
  - removeTreeModelListener
```
public void removeTreeModelListener(TreeModelListener l)
```
    Removes a listener previously added with addTreeModelListener.
    
    Specified by:
    
    removeTreeModelListener in interface TreeModel
    
    Parameters:
    l - the listener to remove
    See Also:
    addTreeModelListener(javax.swing.event.TreeModelListener)
  - valueForPathChanged
```
public void valueForPathChanged(TreePath path,
                       Object newValue)
```
    Messaged when the user has altered the value for the item identified by path to newValue. If newValue signifies a truly new value the model should post a treeNodesChanged event.
    
    Specified by:
    
    valueForPathChanged in interface TreeModel
    
    Parameters:
    path - path to the node that the user has altered
    newValue - the new value from the TreeCellEditor

Class PDFTreeModel

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

PDFTreeModel

PDFTreeModel

PDFTreeModel

Method Detail

addTreeModelListener

getChild

getChildCount

getIndexOfChild

getRoot

isLeaf

removeTreeModelListener

valueForPathChanged