com.lightdev.tree.data
Class PersistentTreeCellEditor

java.lang.Object

  javax.swing.tree.DefaultTreeCellEditor

      com.lightdev.tree.data.PersistentTreeCellEditor

All Implemented Interfaces:

ActionListener, EventListener, CellEditor, TreeSelectionListener, TreeCellEditor

public class PersistentTreeCellEditor
extends DefaultTreeCellEditor

PersistentTreeCellEditor.java

This class overrides DefaultTreeCellEditor to allow for custom user object handling of a region tree of application DayMate. A region tree has user objects of class HierarchicalItem. To edit the name of one HierarchicalItem inside the tree requires to override the methods that return the default cell editor and the editor value.

Version:

1, 31.07.2005

Author:

Ulrich Hilger, Light Development, http://www.lightdev.com, info@lightdev.com, published under the terms and conditions of the BSD License, for details see file license.txt in the distribution package of this software

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.tree.DefaultTreeCellEditor

DefaultTreeCellEditor.DefaultTextField, DefaultTreeCellEditor.EditorContainer

Field Summary

Fields inherited from class javax.swing.tree.DefaultTreeCellEditor

borderSelectionColor, canEdit, editingComponent, editingContainer, editingIcon, font, lastPath, lastRow, offset, realEditor, renderer, timer, tree

Constructor Summary

PersistentTreeCellEditor(JTree tree, DefaultTreeCellRenderer renderer)
constructor

Method Summary

Object	getCellEditorValue() overridden to return the HierarchicalItem as the user object after editing
Component	getTreeCellEditorComponent(JTree tree, Object value, boolean isSelected, boolean expanded, boolean leaf, int row) overridden to save the HierarchicalItem which is stored in the user object of a tree during editing

Methods inherited from class javax.swing.tree.DefaultTreeCellEditor

actionPerformed, addCellEditorListener, cancelCellEditing, canEditImmediately, createContainer, createTreeCellEditor, determineOffset, getBorderSelectionColor, getCellEditorListeners, getFont, inHitRegion, isCellEditable, prepareForEditing, removeCellEditorListener, setBorderSelectionColor, setFont, setTree, shouldSelectCell, shouldStartEditingTimer, startEditingTimer, stopCellEditing, valueChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PersistentTreeCellEditor

public PersistentTreeCellEditor(JTree tree,

                                DefaultTreeCellRenderer renderer)

constructor

Parameters:

tree - the tree this editor is used for

renderer - the renderer to use

Method Detail

getCellEditorValue

public Object getCellEditorValue()

overridden to return the HierarchicalItem as the user object after editing

Specified by:

getCellEditorValue in interface CellEditor

Overrides:

getCellEditorValue in class DefaultTreeCellEditor

getTreeCellEditorComponent

public Component getTreeCellEditorComponent(JTree tree,

                                            Object value,

                                            boolean isSelected,

                                            boolean expanded,

                                            boolean leaf,

                                            int row)

overridden to save the HierarchicalItem which is stored in the user object of a tree during editing

Specified by:

getTreeCellEditorComponent in interface TreeCellEditor

Overrides:

getTreeCellEditorComponent in class DefaultTreeCellEditor